license

Signed-off-by: Polymeta <4726322-polymeta@users.noreply.gitlab.com>

CHANGELOG.md

@@ -1,25 +1,37 @@
 # Changelog
-## [1.8.4 (October 27th, 2026)](#1-8-4)
+## [1.9.0 (MONTH xth, 2026)](#1-9-0)
+
+### Additions
+- Trainer bags and packs got added
+  - You can craft and equip those to store additional items
 
 ### Changes
-- The Froakie line now blinks. The world will never be the same.
+- Trading has been overhauled to allow offering multiple Pokémon, up to the entire party, in a single trade
+  - Selected Pokémon are now highlighted in both parties with new party slot assets
+  - Hovering an offered Pokémon now shows its summary, and clicking the active Pokémon no longer exits the summary view
+  - The trade animation now moves the offered Pokémon towards the Poké Ball
+  - Parties are compacted after a trade so no empty slots are left between Pokémon
 
 ### Fixes
-- Fixed heaps of spawns not working. This was caused by us missing something before release. RIP.
-- Fixed a crash caused by Fearow blinking while you're riding one. Makes sense to me.
-- Fixed Minior's "Shields Down" ability being very broken.
-- Fixed Dusclops using Squirtle's cry sound (lol).
-- Fixed blank Cooking Pot recipe book entries and missing tabs on Fabric.
-- Fixed a hitbox issue with placeable Orb held items attached to a ceiling.
-- Fixed something sneaky. I'll tell you about it later.
+
+### Developer
+- Trade network packets (`TradeUpdatedPacket`, `UpdateTradeOfferPacket`, and `TradeCompletedPacket`) now receive an array of Pokémon instead of a single Pokémon to execute trades
+- `TradeEvent.Pre` and `TradeEvent.Post` now expose every Pokémon each participant receives (`tradeParticipant1Pokemon` and `tradeParticipant2Pokemon` are now lists), and their Molang context includes `trade_participant_1_pokemon_list` and `trade_participant_2_pokemon_list`
 
 ### Molang & Datapacks
-- Added `q.target_fainted` function to move action effects that checks if any opponents fainted from the move.
+- `bag_categories` got added which control what kind of tabs and capabilities the Trainerbags have
+```json
+{
+  "order": 1,
+  "icon": "cobblemon:textures/item/medicine/potion.png",
+  "whiteListTag": "cobblemon:bag/whitelist_consumables",
+  "blackListTag": "cobblemon:bag/blacklist_consumables",
+  "maxCount": 512
+}
+```
+- Bunch of default tags as white/blacklist got added to control what can be inserted the corresponding bag categories
 
 ### Particles
-- Updated Water Shuriken effect to be timed better when the opponent faints.
 
 ### Localization
 - Updated translations for:
-  - Korean
-  - Simplified Chinese

changelogs/CHANGELOG-1.8.4.md

@@ -0,0 +1,25 @@
+# Changelog
+## [1.8.4 (October 27th, 2026)](#1-8-4)
+
+### Changes
+- The Froakie line now blinks. The world will never be the same.
+
+### Fixes
+- Fixed heaps of spawns not working. This was caused by us missing something before release. RIP.
+- Fixed a crash caused by Fearow blinking while you're riding one. Makes sense to me.
+- Fixed Minior's "Shields Down" ability being very broken.
+- Fixed Dusclops using Squirtle's cry sound (lol).
+- Fixed blank Cooking Pot recipe book entries and missing tabs on Fabric.
+- Fixed a hitbox issue with placeable Orb held items attached to a ceiling.
+- Fixed something sneaky. I'll tell you about it later.
+
+### Molang & Datapacks
+- Added `q.target_fainted` function to move action effects that checks if any opponents fainted from the move.
+
+### Particles
+- Updated Water Shuriken effect to be timed better when the opponent faints.
+
+### Localization
+- Updated translations for:
+  - Korean
+  - Simplified Chinese

common/src/main/java/com/cobblemon/mod/common/bag/BagEntity.java

@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.bag;
+
+import com.cobblemon.mod.common.item.bag.CobblemonBagContainer;
+
+public interface BagEntity {
+    CobblemonBagContainer cobblemon$getBagContainer();
+    void cobblemon$setBagContainer(CobblemonBagContainer bagContainer);
+}

common/src/main/java/com/cobblemon/mod/common/mixin/PlayerMixin.java

@@ -23,6 +23,8 @@ import com.cobblemon.mod.common.api.tags.CobblemonItemTags;
 import com.cobblemon.mod.common.duck.PlayerDuck;
 import com.cobblemon.mod.common.duck.RidePassenger;
 import com.cobblemon.mod.common.entity.pokemon.PokemonEntity;
+import com.cobblemon.mod.common.bag.BagEntity;
+import com.cobblemon.mod.common.item.bag.CobblemonBagContainer;
 import com.cobblemon.mod.common.pokedex.scanner.PokedexEntityData;
 import com.cobblemon.mod.common.pokedex.scanner.ScannableEntity;
 import com.cobblemon.mod.common.pokemon.FormData;
@@ -56,6 +58,7 @@ import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.enchantment.EnchantmentHelper;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.phys.Vec3;
+import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.joml.Vector3f;
 import org.objectweb.asm.Opcodes;
@@ -73,7 +76,7 @@ import java.util.*;
 import java.util.stream.Collectors;
 
 @Mixin(Player.class)
-public abstract class PlayerMixin extends LivingEntity implements ScannableEntity, OrientationControllable, PlayerDuck, RidePassenger {
+public abstract class PlayerMixin extends LivingEntity implements ScannableEntity, OrientationControllable, PlayerDuck, RidePassenger, BagEntity {
 
     @Unique
     private Vector3f cobblemon$driverInput;
@@ -107,6 +110,8 @@ public abstract class PlayerMixin extends LivingEntity implements ScannableEntit
 
     @Unique private Vec3 cobblemon$rideEyePos = Vec3.ZERO;
 
+    @Unique private CobblemonBagContainer cobblemon$cobblemonBagContainer = new CobblemonBagContainer();
+
     protected PlayerMixin(EntityType<? extends LivingEntity> p_20966_, Level p_20967_) {
         super(p_20966_, p_20967_);
     }
@@ -404,4 +409,37 @@ public abstract class PlayerMixin extends LivingEntity implements ScannableEntit
         original.call(target, strength, x, z);
     }
 
+    @Override @NotNull
+    public CobblemonBagContainer cobblemon$getBagContainer() { return cobblemon$cobblemonBagContainer; }
+
+    @Override
+    public void cobblemon$setBagContainer(CobblemonBagContainer bagContainer) { cobblemon$cobblemonBagContainer = bagContainer; }
+
+    @Inject(
+            method = "readAdditionalSaveData(Lnet/minecraft/nbt/CompoundTag;)V",
+            at = @At("TAIL")
+    )
+    private void cobblemon$readAdditionalSaveData(CompoundTag compound, CallbackInfo ci) {
+        if (compound.contains("CobblemonBagData", 9)) {
+            this.cobblemon$cobblemonBagContainer.fromTag(compound.getList("CobblemonBagData", 10), this.registryAccess());
+        }
+    }
+
+    @Inject(
+            method = "addAdditionalSaveData(Lnet/minecraft/nbt/CompoundTag;)V",
+            at = @At("TAIL")
+    )
+    private void cobblemon$addAdditionalSaveData(CompoundTag compound, CallbackInfo ci) {
+        compound.put("CobblemonBagData", this.cobblemon$cobblemonBagContainer.createTag(this.registryAccess()));
+    }
+
+    @Inject(
+            method = "dropEquipment()V",
+            at = @At("TAIL")
+    )
+    private void cobblemon$dropCobblemonBag(CallbackInfo ci) {
+        if (level().getGameRules().getBoolean(CobblemonGameRules.BAG_DROP_ITEMS)) {
+            this.cobblemon$cobblemonBagContainer.dropAll((Player)(Object)this);
+        }
+    }
 }

common/src/main/java/com/cobblemon/mod/common/mixin/ServerPlayerMixin.java

@@ -15,17 +15,23 @@ import com.cobblemon.mod.common.api.riding.RidingStyle;
 import com.cobblemon.mod.common.api.spawning.spawner.PlayerSpawner;
 import com.cobblemon.mod.common.api.spawning.spawner.PlayerSpawnerFactory;
 import com.cobblemon.mod.common.api.stats.CobblemonStats;
+import com.cobblemon.mod.common.block.HealingMachineBlock;
 import com.cobblemon.mod.common.duck.ServerLevelDuck;
 import com.cobblemon.mod.common.entity.pokemon.PokemonEntity;
+import com.cobblemon.mod.common.bag.BagEntity;
 import com.cobblemon.mod.common.world.gamerules.CobblemonGameRules;
 import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
 import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
 import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
 import com.llamalad7.mixinextras.sugar.Local;
+import net.minecraft.core.BlockPos;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.state.BlockState;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -33,6 +39,9 @@ import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+import java.util.Optional;
 
 @Mixin(ServerPlayer.class)
 public abstract class ServerPlayerMixin implements PlayerSpawnerAccessor {
@@ -142,4 +151,25 @@ public abstract class ServerPlayerMixin implements PlayerSpawnerAccessor {
                         ((ServerLevelDuck) this.serverLevel()).cobblemon$getLevelResourceLocation()
                 );
     }
+
+    @Inject(
+            method = "findRespawnAndUseSpawnBlock(Lnet/minecraft/server/level/ServerLevel;Lnet/minecraft/core/BlockPos;FZZ)Ljava/util/Optional;",
+            at = @At(value = "HEAD"),
+            cancellable = true
+    )
+    private static void cobblemon$useHealthStationAsRespawn(ServerLevel level, BlockPos pos, float angle, boolean forced, boolean keepInventory, CallbackInfoReturnable<Optional<ServerPlayer.RespawnPosAngle>> cir) {
+        BlockState state = level.getBlockState(pos);
+        Block block = state.getBlock();
+        if (block instanceof HealingMachineBlock && HealingMachineBlock.Companion.canSetSpawn(level)) {
+            cir.setReturnValue(HealingMachineBlock.Companion.findStandUpPosition(EntityType.PLAYER, level, pos).map((vec3) -> ServerPlayer.RespawnPosAngle.of(vec3, pos)));
+        }
+    }
+
+    @Inject(
+            method = "restoreFrom",
+            at = @At("TAIL")
+    )
+    private void cobblemon$restoreCobblemonBag(ServerPlayer that, boolean keepEverything, CallbackInfo ci) {
+        ((BagEntity)(Object)this).cobblemon$setBagContainer(((BagEntity)that).cobblemon$getBagContainer());
+    }
 }

common/src/main/kotlin/com/cobblemon/mod/common/CobblemonItems.kt

@@ -26,6 +26,7 @@ import com.cobblemon.mod.common.client.pokedex.PokedexType
 import com.cobblemon.mod.common.entity.boat.CobblemonBoatType
 import com.cobblemon.mod.common.item.*
 import com.cobblemon.mod.common.item.armor.CobblemonArmorTrims
+import com.cobblemon.mod.common.item.bag.CobblemonBagItem
 import com.cobblemon.mod.common.item.battle.DireHitItem
 import com.cobblemon.mod.common.item.battle.GuardSpecItem
 import com.cobblemon.mod.common.item.battle.XStatItem
@@ -1577,6 +1578,12 @@ object CobblemonItems : PlatformRegistry<Registry<Item>, ResourceKey<Registry<It
     @JvmField
     val LUCIBELL = compostableBlockItem("lucibell", CobblemonBlocks.LUCIBELL, 0.85f)
 
+    //Bags
+    @JvmField
+    val TRAINER_BAG = this.create("trainer_bag", CobblemonBagItem())
+    @JvmField
+    val TRAINER_PACK = this.create("trainer_pack", CobblemonBagItem())
+
     private fun blockItem(name: String, block: Block, rarity: Rarity = Rarity.COMMON): BlockItem = this.create(name, BlockItem(block, Item.Properties().rarity(rarity)))
 
     private fun itemNameBlockItem(name: String, block: Block, rarity: Rarity = Rarity.COMMON): ItemNameBlockItem = this.create(name, ItemNameBlockItem(block, Item.Properties().rarity(rarity)))

common/src/main/kotlin/com/cobblemon/mod/common/CobblemonMenuType.kt

@@ -10,6 +10,7 @@ package com.cobblemon.mod.common
 
 
 import com.cobblemon.mod.common.block.campfirepot.CookingPotMenu
+import com.cobblemon.mod.common.item.bag.CobblemonBagMenu
 import com.cobblemon.mod.common.block.tmmachine.TMMachineMenu
 import com.cobblemon.mod.common.platform.PlatformRegistry
 import net.minecraft.core.Registry
@@ -20,8 +21,9 @@ import net.minecraft.world.inventory.MenuType
 
 object CobblemonMenuType : PlatformRegistry<Registry<MenuType<*>>, ResourceKey<Registry<MenuType<*>>>, MenuType<*>>() {
 
-    val COOKING_POT = MenuType.register("cooking_pot_menu", ::CookingPotMenu)
+    val COOKING_POT = MenuType.register("cooking_pot", ::CookingPotMenu)
     val TM_MACHINE = MenuType.register("tm_machine_menu", ::TMMachineMenu)
+    val COBBLEMON_BAG = MenuType.register("cobblemon_bag", ::CobblemonBagMenu)
 
     override val registry: Registry<MenuType<*>>
         get() = BuiltInRegistries.MENU

common/src/main/kotlin/com/cobblemon/mod/common/CobblemonNetwork.kt

@@ -13,6 +13,8 @@ import com.cobblemon.mod.common.client.net.OpenBehaviourEditorHandler
 import com.cobblemon.mod.common.client.net.PlayerInteractOptionsHandler
 import com.cobblemon.mod.common.client.net.SetClientPlayerDataHandler
 import com.cobblemon.mod.common.client.net.animation.PlayPosableAnimationHandler
+import com.cobblemon.mod.common.client.net.bag.UpdateBagMenuDataHandler
+import com.cobblemon.mod.common.client.net.bag.UseItemOnPokemonFromBagHandler
 import com.cobblemon.mod.common.client.net.battle.*
 import com.cobblemon.mod.common.client.net.callback.move.OpenMoveCallbackHandler
 import com.cobblemon.mod.common.client.net.callback.party.OpenPartyCallbackHandler
@@ -76,6 +78,8 @@ import com.cobblemon.mod.common.net.messages.client.OpenBehaviourEditorPacket
 import com.cobblemon.mod.common.net.messages.client.PlayerInteractOptionsPacket
 import com.cobblemon.mod.common.net.messages.client.SetClientPlayerDataPacket
 import com.cobblemon.mod.common.net.messages.client.animation.PlayPosableAnimationPacket
+import com.cobblemon.mod.common.net.messages.client.bag.UpdateBagMenuDataPacket
+import com.cobblemon.mod.common.net.messages.client.bag.UseItemOnPokemonFromBagPacket
 import com.cobblemon.mod.common.net.messages.client.battle.*
 import com.cobblemon.mod.common.net.messages.client.callback.OpenMoveCallbackPacket
 import com.cobblemon.mod.common.net.messages.client.callback.OpenPartyCallbackPacket
@@ -444,6 +448,7 @@ object CobblemonNetwork {
         list.add(PacketRegisterInfo(BehaviourSyncPacket.ID, BehaviourSyncPacket::decode, DataRegistrySyncPacketHandler()))
         list.add(PacketRegisterInfo(MarkRegistrySyncPacket.ID, MarkRegistrySyncPacket::decode, DataRegistrySyncPacketHandler()))
         list.add(PacketRegisterInfo(RideSettingsSyncPacket.ID, RideSettingsSyncPacket::decode, RideSettingsSyncHandler))
+        list.add(PacketRegisterInfo(BagCategoriesSyncPacket.ID, BagCategoriesSyncPacket::decode, DataRegistrySyncPacketHandler()))
         list.add(PacketRegisterInfo(TechnicalMachineRegistrySyncPacket.ID, TechnicalMachineRegistrySyncPacket::decode, DataRegistrySyncPacketHandler()))
 
         // Effects
@@ -640,6 +645,10 @@ object CobblemonNetwork {
         list.add(PacketRegisterInfo(SetActiveTMPacket.ID, SetActiveTMPacket::decode, SetActiveTMPacketHandler))
         list.add(PacketRegisterInfo(SetTMMachineContainerDataPacket.ID, SetTMMachineContainerDataPacket::decode, SetTMMachineContainerDataPacketHandler))
 
+        // Bag
+        list.add(PacketRegisterInfo(UpdateBagMenuDataPacket.ID, UpdateBagMenuDataPacket::decode, UpdateBagMenuDataHandler))
+        list.add(PacketRegisterInfo(UseItemOnPokemonFromBagPacket.ID, UseItemOnPokemonFromBagPacket::decode, UseItemOnPokemonFromBagHandler))
+
         // Behaviour Packets
         list.add(PacketRegisterInfo(SetEntityBehaviourPacket.ID, SetEntityBehaviourPacket::decode, SetEntityBehaviourHandler))
         list.add(PacketRegisterInfo(DamageOnCollisionPacket.ID, DamageOnCollisionPacket::decode, DamageOnCollisionPacketHandler))
@@ -647,7 +656,7 @@ object CobblemonNetwork {
         // Habitat blocks
         list.add(PacketRegisterInfo(SaveHabitatBlockSettingsPacket.ID, SaveHabitatBlockSettingsPacket::decode, SaveHabitatBlockSettingsHandler))
 
-        // Debug / cheats
+        // Debug
         list.add(PacketRegisterInfo(RequestOpenRidingStatsDebugGUIPacket.ID, RequestOpenRidingStatsDebugGUIPacket::decode, RequestOpenRidingStatsDebugGUIHandler))
 
 

common/src/main/kotlin/com/cobblemon/mod/common/CobblemonSounds.kt

@@ -321,6 +321,19 @@ object CobblemonSounds : PlatformRegistry<Registry<SoundEvent>, ResourceKey<Regi
     @JvmField
     val MEDICINAL_LEEK_PLACE = this.create("block.medicinal_leek.plant")
 
+    @JvmField
+    val ITEM_BAG_OPEN = this.create("item.bag.open")
+    @JvmField
+    val ITEM_BAG_CLOSE = this.create("item.bag.close")
+    @JvmField
+    val ITEM_BAG_CLICK = this.create("item.bag.click")
+    @JvmField
+    val ITEM_BAG_ITEM_IN = this.create("item.bag.item_in")
+    @JvmField
+    val ITEM_BAG_ITEM_OUT = this.create("item.bag.item_out")
+    @JvmField
+    val ITEM_BAG_EQUIP = this.create("item.bag.equip")
+
     @JvmField
     val GILDED_CHEST_OPEN = this.create("block.gilded_chest.open")
     @JvmField

common/src/main/kotlin/com/cobblemon/mod/common/api/bag/BagCategories.kt

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.api.bag
+
+import com.cobblemon.mod.common.Cobblemon
+import com.cobblemon.mod.common.api.data.JsonDataRegistry
+import com.cobblemon.mod.common.api.reactive.SimpleObservable
+import com.cobblemon.mod.common.net.messages.client.data.BagCategoriesSyncPacket
+import com.cobblemon.mod.common.util.adapters.IdentifierAdapter
+import com.cobblemon.mod.common.util.adapters.TagKeyAdapter
+import com.cobblemon.mod.common.util.cobblemonResource
+import com.google.gson.GsonBuilder
+import com.google.gson.reflect.TypeToken
+import net.minecraft.core.registries.Registries
+import net.minecraft.resources.ResourceLocation
+import net.minecraft.server.level.ServerPlayer
+import net.minecraft.server.packs.PackType
+import net.minecraft.tags.TagKey
+import net.minecraft.world.item.Item
+
+object BagCategories: JsonDataRegistry<BagCategory> {
+
+    override val id: ResourceLocation = cobblemonResource("bag_categories")
+    override val type: PackType = PackType.SERVER_DATA
+    override val observable = SimpleObservable<BagCategories>()
+
+    override val gson = GsonBuilder()
+        .disableHtmlEscaping()
+        .setPrettyPrinting()
+        .registerTypeAdapter(ResourceLocation::class.java, IdentifierAdapter)
+        .registerTypeAdapter(TypeToken.getParameterized(TagKey::class.java, Item::class.java).type, TagKeyAdapter(Registries.ITEM))
+        .create()
+
+    override val typeToken: TypeToken<BagCategory> = TypeToken.get(BagCategory::class.java)
+    override val resourcePath = "bag_categories"
+
+    private val bagCategories = hashMapOf<ResourceLocation, BagCategory>()
+
+    override fun reload(data: Map<ResourceLocation, BagCategory>) {
+        bagCategories.clear()
+        data.forEach { identifier, category ->
+            try {
+                category.identifier = identifier
+                bagCategories[identifier] = category
+            } catch (e: Exception) {
+                Cobblemon.LOGGER.error("Skipped loading the {} category", identifier, e)
+            }
+        }
+        Cobblemon.LOGGER.info("Loaded {} bag categories", bagCategories.size)
+        this.observable.emit(this)
+    }
+
+    override fun sync(player: ServerPlayer) {
+        BagCategoriesSyncPacket(bagCategories.values.toList())
+    }
+
+    fun getOrderedCategoriesList(): List<BagCategory> {
+        return bagCategories.values.toList().sortedBy { it.order }
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/api/bag/BagCategory.kt

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.api.bag
+
+import com.cobblemon.mod.common.util.readIdentifier
+import com.cobblemon.mod.common.util.writeIdentifier
+import net.minecraft.core.registries.Registries
+import net.minecraft.network.RegistryFriendlyByteBuf
+import net.minecraft.network.chat.Component
+import net.minecraft.network.chat.MutableComponent
+import net.minecraft.resources.ResourceLocation
+import net.minecraft.tags.TagKey
+import net.minecraft.util.StringRepresentable
+import net.minecraft.world.item.Item
+import net.minecraft.world.item.ItemStack
+
+class BagCategory(
+    identifier: ResourceLocation,
+    val order: Int,
+    val icon: ResourceLocation,
+    val whiteListTag: TagKey<Item>,
+    val blackListTag: TagKey<Item>,
+    val maxCount: Int
+): StringRepresentable {
+    @Transient
+    var identifier: ResourceLocation = identifier
+        internal set
+
+    override fun getSerializedName(): String = identifier.toString()
+
+    fun getName(): MutableComponent = Component.translatable("${identifier.namespace}.bag_category.${identifier.path}")
+
+    fun itemIsValid(itemStack: ItemStack): Boolean {
+        if (itemStack.`is`(blackListTag)) return false
+        if (itemStack.`is`(whiteListTag)) return true
+        return false
+    }
+
+    fun encode(buffer: RegistryFriendlyByteBuf) {
+        buffer.writeIdentifier(identifier)
+        buffer.writeInt(order)
+        buffer.writeIdentifier(icon)
+        buffer.writeIdentifier(whiteListTag.location)
+        buffer.writeIdentifier(blackListTag.location)
+        buffer.writeInt(maxCount)
+    }
+
+    companion object {
+        internal fun decode(buffer: RegistryFriendlyByteBuf): BagCategory {
+            return BagCategory(
+                buffer.readIdentifier(),
+                buffer.readInt(),
+                buffer.readIdentifier(),
+                TagKey.create(Registries.ITEM, buffer.readIdentifier()),
+                TagKey.create(Registries.ITEM, buffer.readIdentifier()),
+                buffer.readInt()
+            )
+        }
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/api/events/pokemon/TradeEvent.kt

@@ -9,12 +9,14 @@
 package com.cobblemon.mod.common.api.events.pokemon
 
 import com.bedrockk.molang.runtime.value.DoubleValue
+import com.bedrockk.molang.runtime.value.MoValue
 import com.cobblemon.mod.common.api.events.Cancelable
 import com.cobblemon.mod.common.api.molang.MoLangFunctions.asMoLangValue
 import com.cobblemon.mod.common.api.molang.MoLangFunctions.moLangFunctionMap
 import com.cobblemon.mod.common.entity.pokemon.PokemonEntity
 import com.cobblemon.mod.common.pokemon.Pokemon
 import com.cobblemon.mod.common.trade.TradeParticipant
+import com.cobblemon.mod.common.util.asArrayValue
 import com.cobblemon.mod.common.util.getPlayer
 
 /**
@@ -31,9 +33,9 @@ interface TradeEvent {
     val tradeParticipant1: TradeParticipant
 
     /**
-     * The [Pokemon] being traded by the first participant.
+     * All the [Pokemon] the first participant receives in the trade.
      */
-    val tradeParticipant1Pokemon: Pokemon
+    val tradeParticipant1Pokemon: List<Pokemon>
 
     /**
      * The second [TradeParticipant].
@@ -41,9 +43,19 @@ interface TradeEvent {
     val tradeParticipant2: TradeParticipant
 
     /**
-     * The [Pokemon] being traded by the second participant.
+     * All the [Pokemon] the second participant receives in the trade.
      */
-    val tradeParticipant2Pokemon: Pokemon
+    val tradeParticipant2Pokemon: List<Pokemon>
+
+    fun createContext(): MutableMap<String, MoValue> = mutableMapOf(
+        "trade_participant_1" to (tradeParticipant1.uuid.getPlayer()?.asMoLangValue() ?: DoubleValue.ZERO),
+        "trade_participant_2" to (tradeParticipant2.uuid.getPlayer()?.asMoLangValue() ?: DoubleValue.ZERO),
+        // Kept for backwards compatibility, this is the first Pokémon of each side.
+        "trade_participant_1_pokemon" to tradeParticipant1Pokemon.first().struct,
+        "trade_participant_2_pokemon" to tradeParticipant2Pokemon.first().struct,
+        "trade_participant_1_pokemon_list" to tradeParticipant1Pokemon.asArrayValue { it.struct },
+        "trade_participant_2_pokemon_list" to tradeParticipant2Pokemon.asArrayValue { it.struct }
+    )
 
     /**
      * Event fired when a trade is about to happen. Cancelling this event prevents the trade from occurring.
@@ -53,16 +65,11 @@ interface TradeEvent {
      */
     data class Pre(
         override val tradeParticipant1: TradeParticipant,
-        override val tradeParticipant1Pokemon: Pokemon,
+        override val tradeParticipant1Pokemon: List<Pokemon>,
         override val tradeParticipant2: TradeParticipant,
-        override val tradeParticipant2Pokemon: Pokemon
+        override val tradeParticipant2Pokemon: List<Pokemon>
     ) : TradeEvent, Cancelable() {
-        val context = mutableMapOf(
-            "trade_participant_1" to (tradeParticipant1.uuid.getPlayer()?.asMoLangValue() ?: DoubleValue.ZERO),
-            "trade_participant_2" to (tradeParticipant2.uuid.getPlayer()?.asMoLangValue() ?: DoubleValue.ZERO),
-            "trade_participant_1_pokemon" to tradeParticipant1Pokemon.struct,
-            "trade_participant_2_pokemon" to tradeParticipant2Pokemon.struct
-        )
+        val context = createContext()
 
         val functions = moLangFunctionMap(
             cancelFunc
@@ -77,15 +84,10 @@ interface TradeEvent {
      */
     data class Post(
         override val tradeParticipant1: TradeParticipant,
-        override val tradeParticipant1Pokemon: Pokemon,
+        override val tradeParticipant1Pokemon: List<Pokemon>,
         override val tradeParticipant2: TradeParticipant,
-        override val tradeParticipant2Pokemon: Pokemon
+        override val tradeParticipant2Pokemon: List<Pokemon>
     ) : TradeEvent {
-        val context = mutableMapOf(
-            "trade_participant_1" to (tradeParticipant1.uuid.getPlayer()?.asMoLangValue() ?: DoubleValue.ZERO),
-            "trade_participant_2" to (tradeParticipant2.uuid.getPlayer()?.asMoLangValue() ?: DoubleValue.ZERO),
-            "trade_participant_1_pokemon" to tradeParticipant1Pokemon.struct,
-            "trade_participant_2_pokemon" to tradeParticipant2Pokemon.struct
-        )
+        val context = createContext()
     }
 }

common/src/main/kotlin/com/cobblemon/mod/common/api/tags/CobblemonItemTags.kt

@@ -140,6 +140,20 @@ object CobblemonItemTags {
     @JvmField val WEARABLE_HAT_ITEMS = create("held/visibility/hat")
     @JvmField val HIDDEN_ITEMS = create("held/visibility/hidden")
 
+    //Bag Categories Tags
+    @JvmField val BAG_WHITELIST_POKE_BALLS = create("bag/whitelist_poke_balls")
+    @JvmField val BAG_BLACKLIST_POKE_BALLS = create("bag/blacklist_poke_balls")
+    @JvmField val BAG_WHITELIST_CONSUMABLES = create("bag/whitelist_consumables")
+    @JvmField val BAG_BLACKLIST_CONSUMABLES = create("bag/blacklist_consumables")
+    @JvmField val BAG_WHITELIST_BERRIES = create("bag/whitelist_berries")
+    @JvmField val BAG_BLACKLIST_BERRIES = create("bag/blacklist_berries")
+    @JvmField val BAG_WHITELIST_HELD_EVO = create("bag/whitelist_held_evo")
+    @JvmField val BAG_BLACKLIST_HELD_EVO = create("bag/blacklist_held_evo")
+    @JvmField val BAG_WHITELIST_CURRENCY = create("bag/whitelist_currency")
+    @JvmField val BAG_BLACKLIST_CURRENCY = create("bag/blacklist_currency")
+    @JvmField val BAG_WHITELIST_TMS = create("bag/whitelist_tms")
+    @JvmField val BAG_BLACKLIST_TMS = create("bag/blacklist_tms")
+
     //Empty Tag
     @JvmField val EMPTY = create("empty")
 

common/src/main/kotlin/com/cobblemon/mod/common/block/HealingMachineBlock.kt

@@ -24,6 +24,7 @@ import net.minecraft.network.chat.Component
 import net.minecraft.server.level.ServerPlayer
 import net.minecraft.util.RandomSource
 import net.minecraft.world.InteractionResult
+import net.minecraft.world.entity.EntityType
 import net.minecraft.world.entity.LivingEntity
 import net.minecraft.world.entity.player.Player
 import net.minecraft.world.item.Item
@@ -31,13 +32,9 @@ import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.TooltipFlag
 import net.minecraft.world.item.context.BlockPlaceContext
 import net.minecraft.world.level.BlockGetter
+import net.minecraft.world.level.CollisionGetter
 import net.minecraft.world.level.Level
-import net.minecraft.world.level.block.BaseEntityBlock
-import net.minecraft.world.level.block.Block
-import net.minecraft.world.level.block.HorizontalDirectionalBlock
-import net.minecraft.world.level.block.Mirror
-import net.minecraft.world.level.block.RenderShape
-import net.minecraft.world.level.block.Rotation
+import net.minecraft.world.level.block.*
 import net.minecraft.world.level.block.entity.BlockEntity
 import net.minecraft.world.level.block.entity.BlockEntityTicker
 import net.minecraft.world.level.block.entity.BlockEntityType
@@ -48,9 +45,11 @@ import net.minecraft.world.level.block.state.properties.IntegerProperty
 import net.minecraft.world.level.block.state.properties.Property
 import net.minecraft.world.level.pathfinder.PathComputationType
 import net.minecraft.world.phys.BlockHitResult
+import net.minecraft.world.phys.Vec3
 import net.minecraft.world.phys.shapes.CollisionContext
 import net.minecraft.world.phys.shapes.Shapes
 import net.minecraft.world.phys.shapes.VoxelShape
+import java.util.Optional
 
 @Suppress("DEPRECATED", "OVERRIDE_DEPRECATION")
 class HealingMachineBlock(settings: Properties) : BaseEntityBlock(settings) {
@@ -79,6 +78,14 @@ class HealingMachineBlock(settings: Properties) : BaseEntityBlock(settings) {
         const val MAX_CHARGE_LEVEL = 5
         val CHARGE_LEVEL: IntegerProperty = IntegerProperty.create("charge", 0, MAX_CHARGE_LEVEL + 1)
         val NATURAL: BooleanProperty = BooleanProperty.create("natural")
+
+        fun canSetSpawn(level: Level): Boolean {
+            return level.gameRules.getBoolean(CobblemonGameRules.HEALER_SET_SPAWN)
+        }
+
+        fun findStandUpPosition(entityType: EntityType<*>, level: CollisionGetter, pos: BlockPos): Optional<Vec3> {
+            return RespawnAnchorBlock.findStandUpPosition(entityType, level, pos) // Exists if we ever want to make something more custom, but anchor block logic should suffice
+        }
     }
 
     init {
@@ -158,7 +165,12 @@ class HealingMachineBlock(settings: Properties) : BaseEntityBlock(settings) {
         }
         val party = serverPlayerEntity.party()
         val pc = serverPlayerEntity.pc()
-        val healPC = player.level().gameRules.getBoolean(CobblemonGameRules.HEALERS_HEAL_PC);
+        val healPC = player.level().gameRules.getBoolean(CobblemonGameRules.HEALERS_HEAL_PC)
+
+        // Do spawnpoint stuff
+        if (canSetSpawn(world)) {
+            player.setRespawnPosition(world.dimension(), blockPos, player.yRot, false, true)
+        }
 
         if (party.none() && (!healPC || pc.none())) {
             player.sendSystemMessage(lang("healingmachine.nopokemon").red(), true)
@@ -183,6 +195,7 @@ class HealingMachineBlock(settings: Properties) : BaseEntityBlock(settings) {
             player.sendSystemMessage(lang("healingmachine.notenoughcharge", "${((neededCharge/party.count())*100f).toInt()}%").red(), true)
         }
         party.forEach { it.tryRecallWithAnimation() }
+
         return InteractionResult.CONSUME
     }
 

common/src/main/kotlin/com/cobblemon/mod/common/block/TypeGemClusterBlock.kt

@@ -160,8 +160,8 @@ class TypeGemClusterBlock(
             && state.getValue(STAGE) == 3) return false
 
         val supportPos = pos.relative(state.getValue(FACING).opposite)
-        val supportBlock = level.getBlockState(supportPos).block
-        return CobblemonBlocks.typeGemBlocks().containsValue(supportBlock) || (supportBlock == CobblemonBlocks.TYPE_GEM_CORE) // Cannot grow if not on any gem blocks
+        val supportState = level.getBlockState(supportPos)
+        return supportState.`is`(CobblemonBlockTags.TYPE_GEM_BLOCKS) || supportState.block == CobblemonBlocks.TYPE_GEM_CORE // Cannot grow if not on any gem blocks
     }
 
 

common/src/main/kotlin/com/cobblemon/mod/common/block/TypeGemCoreBlock.kt

@@ -51,10 +51,20 @@ class TypeGemCoreBlock(properties: Properties) : Block(properties) {
                 ResourceLocation.parse("cobblemon:dragon_gem_block") to CobblemonBlocks.TYPE_GEM_CLUSTER_DRAGON,
                 ResourceLocation.parse("cobblemon:dark_gem_block") to CobblemonBlocks.TYPE_GEM_CLUSTER_DARK,
                 ResourceLocation.parse("cobblemon:steel_gem_block") to CobblemonBlocks.TYPE_GEM_CLUSTER_STEEL,
-                ResourceLocation.parse("cobblemon:fairy_gem_block") to CobblemonBlocks.TYPE_GEM_CLUSTER_FAIRY
+                ResourceLocation.parse("cobblemon:fairy_gem_block") to CobblemonBlocks.TYPE_GEM_CLUSTER_FAIRY,
+                ResourceLocation.parse("minecraft:amethyst_block") to Blocks.SMALL_AMETHYST_BUD
             )
         }
 
+        val AMETHYST_STAGES = listOf(
+            Blocks.SMALL_AMETHYST_BUD,
+            Blocks.MEDIUM_AMETHYST_BUD,
+            Blocks.LARGE_AMETHYST_BUD,
+            Blocks.AMETHYST_CLUSTER
+        )
+
+        private fun isAmethystStage(block: Block) = block in AMETHYST_STAGES
+
         fun getConnectedGemBlocks(level: BlockGetter, pos: BlockPos): List<Pair<BlockState, BlockPos>> {
             val connectedGems = mutableListOf<Pair<BlockState, BlockPos>>()
             val visited = mutableSetOf<BlockPos>()
@@ -85,12 +95,16 @@ class TypeGemCoreBlock(properties: Properties) : Block(properties) {
             Direction.entries.forEach {
                 if (random.nextFloat() < Cobblemon.config.typeGemGrowthChance) {
                     val faceState = level.getBlockState(pos.relative(it))
-                    val randomGrowthType = decideClusterGrowthType(level, pos)
-                    val newState = BLOCK_TO_CLUSTER[BuiltInRegistries.BLOCK.getKey(state.block)]?.defaultBlockState()
+                    var newState = BLOCK_TO_CLUSTER[BuiltInRegistries.BLOCK.getKey(state.block)]?.defaultBlockState()
                         ?.setValue(DirectionalBlock.FACING, it)
-                        ?.setValue(GROWTH_TYPE, randomGrowthType)
                         ?: return
 
+                    if (newState.hasProperty(GROWTH_TYPE)) {
+                        newState = newState.setValue(GROWTH_TYPE, decideClusterGrowthType(level, pos))
+                    } else if (getConnectedGemBlocks(level, pos).size > Cobblemon.config.typeGemMaxConnected) {
+                        return@forEach
+                    }
+
                     if (faceState.`is`(Blocks.AIR)) {
                         level.setBlock(pos.relative(it), newState, 3)
                     }
@@ -132,7 +146,7 @@ class TypeGemCoreBlock(properties: Properties) : Block(properties) {
                 if (!visited.add(clusterPos)) continue
 
                 val clusterState = level.getBlockState(clusterPos)
-                if (clusterState.block == expectedCluster) {
+                if (clusterState.block == expectedCluster && clusterState.hasProperty(GROWTH_TYPE)) {
                     clusters += clusterState to clusterPos
                 }
             }
@@ -178,13 +192,41 @@ class TypeGemCoreBlock(properties: Properties) : Block(properties) {
         Direction.entries.forEach { direction ->
             val relativePos = pos.relative(direction)
             val relativeState = level.getBlockState(relativePos)
-            val clusterBlock = relativeState.block as? TypeGemClusterBlock ?: return@forEach
-
-            if ((relativeState.getValue(DirectionalBlock.FACING) == direction &&
-                random.nextFloat() < Cobblemon.config.typeGemGrowthChance) || forceGrow
-                ) {
-                clusterBlock.advanceGrowth(relativeState, level, relativePos, random)
+            val matchesFace = relativeState.hasProperty(DirectionalBlock.FACING)
+                    && relativeState.getValue(DirectionalBlock.FACING) == direction
+            if (!(forceGrow || (matchesFace && random.nextFloat() < Cobblemon.config.typeGemGrowthChance))) {
+                return@forEach
             }
+
+            val block = relativeState.block
+            if (block is TypeGemClusterBlock) {
+                block.advanceGrowth(relativeState, level, relativePos, random)
+            } else if (isAmethystStage(block)) {
+                advanceAmethyst(relativeState, level, relativePos)
+            }
+        }
+    }
+
+    private fun advanceAmethyst(state: BlockState, level: LevelAccessor, pos: BlockPos) {
+        val facing = state.getValue(DirectionalBlock.FACING)
+        val supportState = level.getBlockState(pos.relative(facing.opposite))
+        if (!supportState.`is`(CobblemonBlockTags.TYPE_GEM_BLOCKS) && supportState.block != CobblemonBlocks.TYPE_GEM_CORE) {
+            return
+        }
+
+        if (state.block != Blocks.AMETHYST_CLUSTER) {
+            val nextStage = AMETHYST_STAGES[AMETHYST_STAGES.indexOf(state.block) + 1]
+            level.setBlock(pos, nextStage.defaultBlockState().setValue(DirectionalBlock.FACING, facing), 3)
+            return
+        }
+
+        // Fully grown clusters mature into amethyst blocks unless boxed in, mirroring stunted type gems
+        val boxedIn = Direction.entries.any { direction ->
+            direction != facing.opposite
+                    && level.getBlockState(pos.relative(direction)).`is`(CobblemonBlockTags.TYPE_GEM_BLOCKS)
+        }
+        if (!boxedIn) {
+            level.setBlock(pos, Blocks.AMETHYST_BLOCK.defaultBlockState(), 3)
         }
     }
 

common/src/main/kotlin/com/cobblemon/mod/common/client/CobblemonBakingOverrides.kt

@@ -9,10 +9,13 @@
 package com.cobblemon.mod.common.client
 
 import com.cobblemon.mod.common.BakingOverride
+import com.cobblemon.mod.common.CobblemonItems
+import com.cobblemon.mod.common.item.bag.CobblemonBagItem
 import com.cobblemon.mod.common.util.cobblemonModel
 import com.cobblemon.mod.common.util.cobblemonResource
 import net.minecraft.client.resources.model.ModelResourceLocation
 import net.minecraft.resources.ResourceLocation
+import net.minecraft.world.item.Item
 
 /**
  * The purpose of this class is to hold models that we want baked, but aren't associated with
@@ -103,9 +106,33 @@ object CobblemonBakingOverrides {
         cobblemonModel("surprise_mulch", "none")
     )
 
+    // Bag
+    val bagModels = mutableMapOf<CobblemonBagItem, BakingOverride>()
+    val TRAINER_PACK = registerBagOverride(
+        CobblemonItems.TRAINER_PACK,
+        cobblemonResource("item/bag/trainer_pack"),
+        cobblemonModel("trainer_pack", "none")
+    )
+    val TRAINER_BAG = registerBagOverride(
+        CobblemonItems.TRAINER_BAG,
+        cobblemonResource("item/bag/trainer_bag"),
+        cobblemonModel("trainer_bag", "none")
+    )
+    /*val BAG_PENNY = registerBagOverride(
+        CobblemonItems.TRAINER_PACK,
+        cobblemonResource("item/bag/bag_penny"),
+        cobblemonModel("bag_penny", "penny")
+    )*/
+
     fun registerOverride(modelLocation: ResourceLocation, modelIdentifier: ModelResourceLocation): BakingOverride {
         val result = BakingOverride(modelLocation, modelIdentifier)
         models.add(result)
         return result
     }
+
+    fun registerBagOverride(associatedItem: CobblemonBagItem, modelLocation: ResourceLocation, modelIdentifier: ModelResourceLocation): BakingOverride {
+        val result = registerOverride(modelLocation, modelIdentifier)
+        bagModels[associatedItem] = result
+        return result
+    }
 }

common/src/main/kotlin/com/cobblemon/mod/common/client/CobblemonClient.kt

@@ -27,6 +27,7 @@ import com.cobblemon.mod.common.client.battle.ClientBattle
 import com.cobblemon.mod.common.client.gui.PartyOverlay
 import com.cobblemon.mod.common.client.gui.PartyOverlayDataControl
 import com.cobblemon.mod.common.client.gui.RideControlsOverlay
+import com.cobblemon.mod.common.client.gui.bag.CobblemonBagScreen
 import com.cobblemon.mod.common.client.gui.battle.BattleOverlay
 import com.cobblemon.mod.common.client.gui.cookingpot.CookingPotScreen
 import com.cobblemon.mod.common.client.gui.party.PartyTutorialToasts
@@ -46,6 +47,7 @@ import com.cobblemon.mod.common.client.render.generic.GenericBedrockRenderer
 import com.cobblemon.mod.common.client.render.item.CobblemonBuiltinItemRendererRegistry
 import com.cobblemon.mod.common.client.render.item.PokemonItemRenderer
 import com.cobblemon.mod.common.client.render.layer.PlayerRecallBallRenderer
+import com.cobblemon.mod.common.client.render.layer.CobblemonBagRenderer
 import com.cobblemon.mod.common.client.render.layer.PokemonOnShoulderRenderer
 import com.cobblemon.mod.common.client.render.models.blockbench.bedrock.animation.BedrockAnimationRepository
 import com.cobblemon.mod.common.client.render.models.blockbench.repository.BerryModelRepository
@@ -391,7 +393,7 @@ object CobblemonClient {
             CobblemonBlocks.X_SP_ATK,
             CobblemonBlocks.X_SP_DEF,
             CobblemonBlocks.X_SPEED,
-            CobblemonBlocks.TM_MACHINE,   
+            CobblemonBlocks.TM_MACHINE,
 
             CobblemonBlocks.GALARICA_CUFF,
             CobblemonBlocks.GALARICA_WREATH,
@@ -419,7 +421,7 @@ object CobblemonClient {
             CobblemonBlocks.MOOMOO_MILK,
             CobblemonBlocks.MEDICINAL_BREW,
             CobblemonBlocks.TERRAIN_EXTENDER,
-            
+
             CobblemonBlocks.RED_MINT_LEAF_LITTER,
             CobblemonBlocks.POTTED_RED_MINT,
             CobblemonBlocks.BLUE_MINT_LEAF_LITTER,
@@ -539,14 +541,17 @@ object CobblemonClient {
             skinMap?.get(PlayerSkin.Model.WIDE) as LivingEntityRenderer<Player, PlayerModel<Player>>
         renderer?.addLayer(PokemonOnShoulderRenderer(renderer))
         renderer?.addLayer(PlayerRecallBallRenderer(renderer))
+        renderer?.addLayer(CobblemonBagRenderer(renderer))
         renderer = skinMap[PlayerSkin.Model.SLIM] as LivingEntityRenderer<Player, PlayerModel<Player>>?
         renderer?.addLayer(PokemonOnShoulderRenderer(renderer))
         renderer?.addLayer(PlayerRecallBallRenderer(renderer))
+        renderer?.addLayer(CobblemonBagRenderer(renderer))
     }
 
     private fun registerMenuScreens() {
         MenuScreens.register(CobblemonMenuType.COOKING_POT, ::CookingPotScreen)
         MenuScreens.register(CobblemonMenuType.TM_MACHINE, ::TMMachineScreen)
+        MenuScreens.register(CobblemonMenuType.COBBLEMON_BAG, ::CobblemonBagScreen)
     }
 
     private fun registerBlockEntityRenderers() {

common/src/main/kotlin/com/cobblemon/mod/common/client/gui/bag/BagCategoryButton.kt

@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.client.gui.bag
+
+import com.cobblemon.mod.common.api.bag.BagCategories
+import com.cobblemon.mod.common.api.gui.blitk
+import com.cobblemon.mod.common.client.CobblemonResources
+import com.cobblemon.mod.common.client.gui.CobblemonRenderable
+import com.cobblemon.mod.common.client.render.getDepletableRedGreen
+import com.cobblemon.mod.common.util.asTranslated
+import com.cobblemon.mod.common.util.cobblemonResource
+import com.cobblemon.mod.common.util.lang
+import net.minecraft.client.Minecraft
+import net.minecraft.client.gui.GuiGraphics
+import net.minecraft.client.gui.components.Button
+import net.minecraft.client.sounds.SoundManager
+import net.minecraft.network.chat.Component
+import net.minecraft.resources.ResourceLocation
+
+class BagCategoryButton(
+    x: Int,
+    y: Int,
+    val parent: CobblemonBagScreen,
+    val category: Int,
+    val action: OnPress
+): Button(x, y, WIDTH, HEIGHT, Component.empty(), action, DEFAULT_NARRATION), CobblemonRenderable {
+    companion object {
+        private const val WIDTH = 32
+        private const val HEIGHT = 31
+
+        private val CATEGORY_SLOT = cobblemonResource("textures/gui/bag/bag_tab.png")
+        private val VOLUME_BAR = cobblemonResource("textures/gui/bag/bag_tab_volume_bar.png")
+    }
+
+    override fun renderWidget(context: GuiGraphics, mouseX: Int, mouseY: Int, partialTick: Float) {
+        val orderedCategories = BagCategories.getOrderedCategoriesList()
+
+        blitk(
+            matrixStack = context.pose(),
+            texture = CATEGORY_SLOT,
+            x = x, y = y,
+            width = WIDTH, height = HEIGHT,
+            textureHeight = 64,
+            vOffset = if (parent.menu.currentlySelectedCategory == category) 32 else 0
+        )
+
+        blitk(
+            matrixStack = context.pose(),
+            texture = if (category == -1) ResourceLocation("minecraft", "textures/item/bundle.png") else orderedCategories[category].icon,
+            x = x + 8, y = y + 9,
+            width = 16, height = 16
+        )
+
+        //The Bar
+        if (category != -1) {
+            blitk(
+                matrixStack = context.pose(),
+                texture = VOLUME_BAR,
+                x = x + 8, y = y + 25,
+                width = 16, height = 3
+            )
+
+            val itemRatio = (parent.menu.categoryItemCounts[category].toFloat() / orderedCategories[category].maxCount).coerceIn(0F, 1F)
+            val barWidth = itemRatio * 14
+            val (red, green) = getDepletableRedGreen(1 - itemRatio)
+
+            blitk(
+                matrixStack = context.pose(),
+                texture = CobblemonResources.WHITE,
+                x = x + 9, y = y + 26,
+                width = barWidth, height = 1,
+                red = red * 0.8F, green = green * 0.8F, blue = 0.27F
+            )
+        }
+
+        if (isHovered) {
+            context.renderTooltip(Minecraft.getInstance().font, if (category == -1) lang("bag_categories.all_items") else orderedCategories[category].getName(), mouseX, mouseY)
+        }
+    }
+
+    override fun playDownSound(handler: SoundManager) {}
+}

common/src/main/kotlin/com/cobblemon/mod/common/client/gui/bag/BagCategoryPageButton.kt

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.client.gui.bag
+
+import com.cobblemon.mod.common.CobblemonSounds
+import com.cobblemon.mod.common.api.gui.blitk
+import com.cobblemon.mod.common.client.gui.CobblemonRenderable
+import com.cobblemon.mod.common.util.cobblemonResource
+import net.minecraft.client.gui.GuiGraphics
+import net.minecraft.client.gui.components.Button
+import net.minecraft.client.sounds.SoundManager
+import net.minecraft.network.chat.Component
+
+class BagCategoryPageButton(
+    x: Int,
+    y: Int,
+    val parent: CobblemonBagScreen,
+    val leftButton: Boolean,
+    val action: OnPress
+): Button(x, y, WIDTH, HEIGHT, Component.empty(), action, DEFAULT_NARRATION), CobblemonRenderable {
+    companion object {
+        private const val WIDTH = 12
+        private const val HEIGHT = 10
+
+        private val LEFT_BUTTON = cobblemonResource("textures/gui/bag/button_left.png")
+        private val RIGHT_BUTTON = cobblemonResource("textures/gui/bag/button_right.png")
+    }
+
+    var enabled = true
+
+    override fun renderWidget(context: GuiGraphics, mouseX: Int, mouseY: Int, partialTick: Float) {
+        blitk(
+            matrixStack = context.pose(),
+            texture = if (leftButton) LEFT_BUTTON else RIGHT_BUTTON,
+            x = x / 0.5F, y = y / 0.5F,
+            width = WIDTH * 2, height = HEIGHT * 2,
+            textureHeight = 40,
+            vOffset = if (enabled) 20 else 0,
+            scale = 0.5f
+        )
+    }
+
+    override fun playDownSound(handler: SoundManager) {}
+}

common/src/main/kotlin/com/cobblemon/mod/common/client/gui/bag/CobblemonBagScreen.kt

@@ -0,0 +1,416 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.client.gui.bag
+
+import com.cobblemon.mod.common.CobblemonNetwork.sendToServer
+import com.cobblemon.mod.common.CobblemonSounds
+import com.cobblemon.mod.common.api.bag.BagCategories
+import com.cobblemon.mod.common.api.gui.blitk
+import com.cobblemon.mod.common.api.text.text
+import com.cobblemon.mod.common.client.CobblemonClient
+import com.cobblemon.mod.common.client.CobblemonResources
+import com.cobblemon.mod.common.client.gui.drawProfilePokemon
+import com.cobblemon.mod.common.client.render.drawScaledText
+import com.cobblemon.mod.common.client.render.drawScaledTextJustifiedRight
+import com.cobblemon.mod.common.client.render.getDepletableRedGreen
+import com.cobblemon.mod.common.client.render.models.blockbench.FloatingState
+import com.cobblemon.mod.common.item.bag.CobblemonBagMenu
+import com.cobblemon.mod.common.item.battle.BagItem
+import com.cobblemon.mod.common.net.messages.client.bag.UpdateBagMenuDataPacket
+import com.cobblemon.mod.common.net.messages.client.bag.UseItemOnPokemonFromBagPacket
+import com.cobblemon.mod.common.pokemon.Gender
+import com.cobblemon.mod.common.util.cobblemonResource
+import com.cobblemon.mod.common.util.lang
+import com.cobblemon.mod.common.util.math.fromEulerXYZDegrees
+import juuxel.adorn.util.Colors
+import net.fabricmc.api.EnvType
+import net.fabricmc.api.Environment
+import net.minecraft.client.Minecraft
+import net.minecraft.client.gui.GuiGraphics
+import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
+import net.minecraft.client.resources.sounds.SimpleSoundInstance
+import net.minecraft.network.chat.Component
+import net.minecraft.sounds.SoundEvent
+import net.minecraft.world.entity.player.Inventory
+import net.minecraft.world.inventory.ClickType
+import net.minecraft.world.inventory.Slot
+import org.joml.Quaternionf
+import org.joml.Vector3f
+import kotlin.math.min
+import kotlin.math.roundToInt
+
+@Environment(EnvType.CLIENT)
+class CobblemonBagScreen(
+    menu: CobblemonBagMenu,
+    playerInventory: Inventory,
+    title: Component
+): AbstractContainerScreen<CobblemonBagMenu>(
+    menu,
+    playerInventory,
+    Component.translatable("cobblemon.container.bag")
+) {
+    companion object {
+        private const val BACKGROUND_HEIGHT = 197
+        private const val BACKGROUND_WIDTH = 184
+
+        private val BACKGROUND = cobblemonResource("textures/gui/bag/bag_base.png")
+        private val SCROLL_TRACK = cobblemonResource("textures/gui/bag/scrollbar_track.png")
+        private val SCROLL_SLIDE = cobblemonResource("textures/gui/bag/scrollbar_slide.png")
+        private val PARTY_SLOT_BASE = cobblemonResource("textures/gui/bag/party_slot_base.png")
+        private val PARTY_SLOT_COLLAPSED = cobblemonResource("textures/gui/bag/party_slot_collapsed.png")
+        private val PARTY_SLOT = cobblemonResource("textures/gui/bag/party_slot.png")
+        private val PARTY_SLOT_FAINTED = cobblemonResource("textures/gui/bag/party_slot_fainted.png")
+        private val GENDER_ICON_MALE = cobblemonResource("textures/gui/party/party_gender_male.png")
+        private val GENDER_ICON_FEMALE = cobblemonResource("textures/gui/party/party_gender_female.png")
+    }
+
+    val categoriesWidgets = mutableListOf<BagCategoryButton>()
+    lateinit var allItemsCategoryWidget: BagCategoryButton
+    lateinit var leftCategoryPageButton: BagCategoryPageButton
+    lateinit var rightCategoryPageButton: BagCategoryPageButton
+    var currentCategoryPage = 0
+    var lastCategory = menu.currentlySelectedCategory
+    var lastScroll = menu.scroll
+    var scrolling = false
+
+    init {
+        this.imageWidth = BACKGROUND_WIDTH + 69
+        this.imageHeight = BACKGROUND_HEIGHT + 27
+    }
+
+    override fun init() {
+        super.init()
+        this.leftPos -= 34
+
+        for (i in 0..3) {
+            if (i < BagCategories.getOrderedCategoriesList().size) {
+                categoriesWidgets.add(
+                    BagCategoryButton(leftPos + 76 + i * 33, topPos, this, i) {
+                        if (menu.currentlySelectedCategory != i) {
+                            menu.changeCategory(i)
+                            playSound(CobblemonSounds.ITEM_BAG_CLICK)
+                        }
+                    }.also { addRenderableWidget(it) }
+                )
+            } else break
+        }
+
+        allItemsCategoryWidget = BagCategoryButton(leftPos + 214, topPos, this, -1) {
+            if (menu.currentlySelectedCategory != -1) {
+                menu.changeCategory(-1)
+                playSound(CobblemonSounds.ITEM_BAG_CLICK)
+            }
+        }.also { addRenderableWidget(it) }
+
+        leftCategoryPageButton = BagCategoryPageButton(leftPos + 218, topPos + 32, this, true) {
+            if (leftCategoryPageButton.enabled) {
+                cycleCategoryPage(false)
+                playSound(CobblemonSounds.ITEM_BAG_CLICK)
+            }
+        }.also { addRenderableWidget(it) }
+        rightCategoryPageButton = BagCategoryPageButton(leftPos + 229, topPos + 32, this, false) {
+            if (rightCategoryPageButton.enabled) {
+                cycleCategoryPage(true)
+                playSound(CobblemonSounds.ITEM_BAG_CLICK)
+            }
+        }.also { addRenderableWidget(it) }
+
+        playSound(CobblemonSounds.ITEM_BAG_OPEN)
+    }
+
+    override fun renderBg(context: GuiGraphics, partialTick: Float, mouseX: Int, mouseY: Int) {}
+    override fun renderBackground(guiGraphics: GuiGraphics, mouseX: Int, mouseY: Int, partialTick: Float) {}
+
+    override fun renderLabels(guiGraphics: GuiGraphics, mouseX: Int, mouseY: Int) {}
+
+    override fun render(context: GuiGraphics, mouseX: Int, mouseY: Int, partialTick: Float) {
+        renderTransparentBackground(context)
+        
+        val matrices = context.pose()
+
+        // Background
+        blitk(
+            matrixStack = matrices,
+            texture = BACKGROUND,
+            x = leftPos + 69, y = topPos + 27,
+            width = BACKGROUND_WIDTH, height = BACKGROUND_HEIGHT
+        )
+
+        //Scroll
+        val scrollYOffset = if (menu.maxScroll == 0) {
+            if (menu.scroll == 0) 0 else 53
+        } else ((min(menu.scroll, menu.maxScroll).toFloat() / menu.maxScroll) * 53).toInt()
+        val trackHeight = 71 - scrollYOffset - 13
+
+        if (trackHeight > 0) {
+            blitk(
+                matrixStack = matrices,
+                texture = SCROLL_TRACK,
+                x = leftPos + 230, y = topPos + 49 + (71 - trackHeight),
+                width = 9, height = trackHeight,
+                textureHeight = 71,
+                vOffset = 71 - trackHeight
+            )
+        }
+
+        blitk(
+            matrixStack = matrices,
+            texture = SCROLL_SLIDE,
+            x = leftPos + 230, y = topPos + 49 + scrollYOffset,
+            width = 9, height = 17
+        )
+
+        // Pokemon
+        val party = CobblemonClient.storage.party
+        for (i in 0..5) {
+            val pokemon = party.get(i)
+            val slotYPosition = topPos + i * 33 + 27
+
+            if (pokemon != null) {
+                blitk(
+                    matrixStack = matrices,
+                    texture = PARTY_SLOT_BASE,
+                    x = leftPos, y = slotYPosition,
+                    width = 67, height = 31
+                )
+
+                val slotWidth = 32
+                val slotLeft = leftPos + 11
+                blitk(
+                    matrixStack = matrices,
+                    texture = if (pokemon.isFainted()) PARTY_SLOT_FAINTED else PARTY_SLOT,
+                    x = slotLeft, y = slotYPosition,
+                    width = slotWidth, height = 26,
+                    textureHeight = 52,
+                    vOffset = if (!menu.carried.isEmpty && menu.carried.item is BagItem && partySlotHovered(i, mouseX, mouseY)) 26 else 0
+                )
+
+                val expForThisLevel = pokemon.experience - pokemon.experienceGroup.getExperience(pokemon.level)
+                val expToNextLevel = pokemon.experienceGroup.getExperience(pokemon.level + 1) - pokemon.experienceGroup.getExperience(pokemon.level)
+                val expRatio = expForThisLevel.toFloat() / expToNextLevel
+
+                val expBarHeight = expRatio * 20
+
+                if (expBarHeight > 0) {
+                    blitk(
+                        matrixStack = matrices,
+                        texture = CobblemonResources.WHITE,
+                        x = leftPos + 6, y = slotYPosition + 24 - expBarHeight,
+                        width = 1, height = expBarHeight,
+                        red = 0.2, green = 0.65, blue = 0.84
+                    )
+                }
+
+                val hpRatio = pokemon.currentHealth.toFloat() / pokemon.maxHealth
+                val hpBarHeight = hpRatio * 20
+                val (red, green) = getDepletableRedGreen(hpRatio)
+
+                if (hpBarHeight > 0) {
+                    blitk(
+                        matrixStack = matrices,
+                        texture = CobblemonResources.WHITE,
+                        x = leftPos + 8, y = slotYPosition + 24 - hpBarHeight,
+                        width = 2, height = hpBarHeight,
+                        red = red * 0.8F, green = green * 0.8F, blue = 0.27F
+                    )
+                }
+
+                // Ball Icon
+                val ballIcon = cobblemonResource("textures/gui/ball/" + pokemon.caughtBall.name.path + ".png")
+                blitk(
+                    matrixStack = matrices,
+                    texture = ballIcon,
+                    x = (leftPos + 3.5F) / 0.5F, y = (slotYPosition + 23) / 0.5F,
+                    width = 18, height = 22,
+                    textureHeight = 44,
+                    scale = 0.5F
+                )
+
+                //Gender
+                if (pokemon.gender != Gender.GENDERLESS) {
+                    blitk(
+                        matrixStack = matrices,
+                        texture = if (pokemon.gender == Gender.MALE) GENDER_ICON_MALE else GENDER_ICON_FEMALE,
+                        x = (leftPos + 62) / 0.5F, y = (slotYPosition + 26) / 0.5F,
+                        width = 5, height = 7,
+                        scale = 0.5F
+                    )
+                }
+
+                //Status
+                val status = pokemon.status?.status
+                if (!pokemon.isFainted() && status != null) {
+                    blitk(
+                        matrixStack = matrices,
+                        texture = cobblemonResource("textures/gui/bag/status_${status.showdownName}.png"),
+                        x = leftPos + 1, y = slotYPosition + 9,
+                        width = 4, height = 14
+                    )
+                }
+
+                matrices.pushPose()
+                matrices.translate(slotLeft + ((slotWidth - 8) / 2.0), slotYPosition.toDouble() - 6, 0.0)
+                matrices.scale(3.5F, 3.5F, 1F)
+
+                val state = FloatingState()
+                state.currentAspects = pokemon.aspects
+                drawProfilePokemon(
+                    species = pokemon.species.resourceIdentifier,
+                    matrixStack = matrices,
+                    rotation = Quaternionf().fromEulerXYZDegrees(Vector3f(13F, 35F, 0F)),
+                    state = state,
+                    scale = 4.5F,
+                    partialTicks = 0F
+                )
+                matrices.popPose()
+
+                matrices.pushPose()
+                matrices.translate(0.0, 0.0, 100.0)
+                // Level and Name and Gender
+                drawScaledText(
+                    context = context,
+                    text = pokemon.getDisplayName(),
+                    x = leftPos + 14, y = slotYPosition + 26,
+                    scale = 0.5F
+                )
+
+                drawScaledTextJustifiedRight(
+                    context = context,
+                    text = lang("ui.lv"),
+                    x = leftPos + 40, y = slotYPosition + 14,
+                    shadow = true,
+                    scale = 0.5F
+                )
+
+                drawScaledTextJustifiedRight(
+                    context = context,
+                    text = pokemon.level.toString().text(),
+                    x = leftPos + 40, y = slotYPosition + 19,
+                    shadow = true,
+                    scale = 0.5F
+                )
+                matrices.popPose()
+            } else {
+                blitk(
+                    matrixStack = matrices,
+                    texture = PARTY_SLOT_COLLAPSED,
+                    x = leftPos + 64, y = slotYPosition,
+                    width = 5, height = 31
+                )
+            }
+        }
+
+        //Titles
+        context.drawString(font, title, leftPos + 80, topPos + 33, Colors.WHITE, false)
+        context.drawString(font, playerInventoryTitle, leftPos + 80, topPos + 129, 4210752, false)
+
+        super.render(context, mouseX, mouseY, partialTick)
+        renderTooltip(context, mouseX, mouseY)
+    }
+
+    fun partySlotHovered(index: Int, mouseX: Int, mouseY: Int): Boolean {
+        val left = leftPos + 11
+        val top = topPos + index * 33 + 27
+        return mouseX in left..(left + 32) && mouseY in top..(top + 26)
+    }
+
+    fun cycleCategoryPage(next: Boolean) {
+        val orderedCategories = BagCategories.getOrderedCategoriesList()
+        currentCategoryPage = (currentCategoryPage + if (next) 1 else -1).coerceIn(0, (orderedCategories.size - 1) / 4)
+        categoriesWidgets.forEach {
+            removeWidget(it)
+        }
+        categoriesWidgets.clear()
+        for (i in 0..3) {
+            val adjustedIndex = i + 4 * currentCategoryPage
+            if (adjustedIndex < orderedCategories.size) {
+                categoriesWidgets.add(
+                    BagCategoryButton(leftPos + 76 + i * 33, topPos, this, adjustedIndex) {
+                        playSound(CobblemonSounds.ITEM_BAG_CLICK)
+                        menu.changeCategory(adjustedIndex)
+                    }.also { addRenderableWidget(it) }
+                )
+            } else break
+        }
+        leftCategoryPageButton.enabled = currentCategoryPage > 0
+        rightCategoryPageButton.enabled = currentCategoryPage < (orderedCategories.size - 1) / 4
+    }
+
+    fun updateScrollValue(mouseY: Double) {
+        val adjustedMouseY = mouseY - topPos - 49.0
+        if (adjustedMouseY < 0) {
+            menu.scroll = 0
+        } else if (adjustedMouseY > 71) {
+            menu.scroll = menu.maxScroll
+        } else {
+            menu.scroll = ((adjustedMouseY / 71.0) * (menu.maxScroll)).roundToInt()
+        }
+        menu.setupSlotsBasedOnContent()
+    }
+
+    override fun slotClicked(slot: Slot?, slotId: Int, mouseButton: Int, type: ClickType) {
+        if (slotId in CobblemonBagMenu.BAG_SLOTS && (lastCategory != menu.currentlySelectedCategory || lastScroll != menu.scroll)) {
+            lastCategory = menu.currentlySelectedCategory
+            lastScroll = menu.scroll
+            sendToServer(UpdateBagMenuDataPacket(menu.currentlySelectedCategory, menu.scroll)) // Synchronize this data
+        }
+        super.slotClicked(slot, slotId, mouseButton, type)
+    }
+
+    override fun mouseScrolled(mouseX: Double, mouseY: Double, scrollX: Double, scrollY: Double): Boolean {
+        if (scrollY < 0 && menu.scroll < menu.maxScroll) {
+            menu.scroll += 1
+        } else if (scrollY > 0 && menu.scroll > 0) {
+            menu.scroll -= 1
+        }
+        menu.setupSlotsBasedOnContent()
+        return true
+    }
+
+    override fun mouseClicked(mouseX: Double, mouseY: Double, button: Int): Boolean {
+        if (mouseX in (leftPos + 229.0)..(leftPos + 240.0) && mouseY in (topPos + 49.0)..(topPos + 120.0)) {
+            scrolling = true
+            updateScrollValue(mouseY)
+            return true
+        }
+        val party = CobblemonClient.storage.party
+        if (!menu.carried.isEmpty && menu.carried.item is BagItem) {
+            for (i in 0..5) {
+                if (party.get(i) != null && partySlotHovered(i, mouseX.toInt(), mouseY.toInt())) {
+                    playSound(CobblemonSounds.GUI_CLICK)
+                    sendToServer(UseItemOnPokemonFromBagPacket(i))
+                    return true
+                }
+            }
+        }
+        return super.mouseClicked(mouseX, mouseY, button)
+    }
+
+    override fun mouseReleased(mouseX: Double, mouseY: Double, button: Int): Boolean {
+        scrolling = false
+        return super.mouseReleased(mouseX, mouseY, button)
+    }
+
+    override fun mouseDragged(mouseX: Double, mouseY: Double, button: Int, dragX: Double, dragY: Double): Boolean {
+        if (scrolling) {
+            updateScrollValue(mouseY)
+            return true
+        }
+        return super.mouseDragged(mouseX, mouseY, button, dragX, dragY)
+    }
+
+    fun playSound(soundEvent: SoundEvent) {
+        Minecraft.getInstance().soundManager.play(SimpleSoundInstance.forUI(soundEvent, 1.0F))
+    }
+
+    override fun onClose() {
+        Minecraft.getInstance().soundManager.play(SimpleSoundInstance.forUI(CobblemonSounds.ITEM_BAG_CLOSE, 1.0F))
+        super.onClose()
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/client/gui/trade/PartySlot.kt

@@ -28,9 +28,9 @@ import org.joml.Vector3f
 
 open class PartySlot(
     x: Int, y: Int,
-    private val pokemon: TradeStartedPacket.TradeablePokemon?,
+    val pokemon: TradeStartedPacket.TradeablePokemon?,
     private val parent: TradeGUI,
-    private val isOpposing: Boolean = false,
+    val isOpposing: Boolean = false,
     onPress: OnPress
 ) : Button(x, y, SIZE, SIZE, Component.literal("PartySlot"), onPress, DEFAULT_NARRATION), CobblemonRenderable {
     val state = FloatingState()
@@ -42,6 +42,8 @@ open class PartySlot(
         private val genderIconFemale = cobblemonResource("textures/gui/pc/gender_icon_female.png")
         private val selectPointerResource = cobblemonResource("textures/gui/pc/pc_pointer.png")
         private val untradeableResource = cobblemonResource("textures/gui/trade/trade_slot_icon_locked.png")
+        private val tradePartySlotSelectedResource = cobblemonResource("textures/gui/trade/trade_party_slot_selected.png")
+        private val tradePartySlotSelectedOpposingResource = cobblemonResource("textures/gui/trade/trade_party_slot_selected_opposing.png")
     }
 
     override fun playDownSound(soundManager: SoundManager) {
@@ -60,6 +62,17 @@ open class PartySlot(
             )
         }
 
+        if (hasSelected()) {
+            blitk(
+                matrixStack = matrices,
+                texture = if (isOpposing) tradePartySlotSelectedOpposingResource else tradePartySlotSelectedResource,
+                x = x - 2,
+                y = y - 2,
+                width = 29,
+                height = 29
+            )
+        }
+
         if (pokemon != null) {
             // context.enableScissor(x - 2, y + 2, x + SIZE + 4, y + SIZE + 4)
             // Render Pokémon
@@ -118,7 +131,16 @@ open class PartySlot(
             }
 
             matrices.popPose()
-            if (hasSelected()) {
+            
+            val isViewed = if (isOpposing) {
+                parent.opposingOfferedPokemon?.uuid == pokemon.pokemonId
+            } else {
+                parent.offeredPokemon?.uuid == pokemon.pokemonId
+            }
+
+            if (isViewed && pokemon.tradeable) {
+                matrices.pushPose()
+                matrices.translate(0.0, 0.0, 200.0)
                 blitk(
                     matrixStack = matrices,
                     texture = selectPointerResource,
@@ -128,6 +150,7 @@ open class PartySlot(
                     height = 8,
                     scale = TradeGUI.SCALE
                 )
+                matrices.popPose()
             }
 
             // Held Item
@@ -145,8 +168,9 @@ open class PartySlot(
     }
 
     open fun hasSelected(): Boolean {
-        val offeredPokemon = if (isOpposing) parent.trade.oppositeOffer.get() else parent.trade.myOffer.get()
-        return pokemon?.pokemonId == offeredPokemon?.uuid && pokemon != null
+        if (pokemon == null) return false
+        val offeredPokemons = if (isOpposing) parent.trade.oppositeOffer.get() else parent.trade.myOffer.get()
+        return offeredPokemons.any { it.uuid == pokemon.pokemonId }
     }
 
     fun isHovered(mouseX: Int, mouseY: Int) = pokemon?.tradeable != false && mouseX.toFloat() in (x.toFloat()..(x.toFloat() + SIZE)) && mouseY.toFloat() in (y.toFloat()..(y.toFloat() + SIZE))

common/src/main/kotlin/com/cobblemon/mod/common/client/gui/trade/TradeGUI.kt

@@ -25,6 +25,7 @@ import com.cobblemon.mod.common.client.gui.summary.widgets.common.reformatNature
 import com.cobblemon.mod.common.client.render.drawScaledText
 import com.cobblemon.mod.common.client.render.drawScaledTextJustifiedRight
 import com.cobblemon.mod.common.client.trade.ClientTrade
+import com.cobblemon.mod.common.net.messages.client.trade.TradeStartedPacket
 import com.cobblemon.mod.common.net.messages.client.trade.TradeStartedPacket.TradeablePokemon
 import com.cobblemon.mod.common.net.messages.server.trade.*
 import com.cobblemon.mod.common.pokemon.Gender
@@ -98,15 +99,23 @@ class TradeGUI(
         private val tradeAnimationArrowsResource = cobblemonResource("textures/gui/trade/trade_animation_arrows.png")
     }
 
-    private var offeredPokemonModel: ModelWidget? = null
-    private var opposingOfferedPokemonModel: ModelWidget? = null
+    private var offeredPokemonModels: MutableList<ModelWidget> = mutableListOf()
+    private var opposingOfferedPokemonModels: MutableList<ModelWidget> = mutableListOf()
 
     private lateinit var offeredPokemonMarkings: MarkingsWidget
     private lateinit var opposingOfferedPokemonMarkings: MarkingsWidget
 
+    var selectedPartyIndices = mutableListOf<Int>()
+    var offeredPokemons: MutableList<Pokemon> = mutableListOf()
+    var opposingPokemons: MutableList<Pokemon> = mutableListOf()
+
+    // For backwards compatibility where single is referenced in rendering text info
     var offeredPokemon: Pokemon? = null
     var opposingOfferedPokemon: Pokemon? = null
 
+    var myGridMode = true
+    var opposingGridMode = true
+
     var ticksElapsed = 0
     var protectiveTicks = 0
     var selectPointerOffsetY = 0
@@ -125,30 +134,67 @@ class TradeGUI(
         }
 
         trade.completedEmitter.subscribe {
-            val (pokemonId1, pokemonId2) = it
-            val myTradedPokemon = party.find { it?.pokemonId == pokemonId1 }
-            val theirTradedPokemon = traderParty.find { it?.pokemonId == pokemonId2 }
-            if (myTradedPokemon == null || theirTradedPokemon == null) {
+            val (pokemonIds1, pokemonIds2) = it
+            val myTradedPokemons = pokemonIds1.mapNotNull { id -> party.find { it?.pokemonId == id } }
+            val theirTradedPokemons = pokemonIds2.mapNotNull { id -> traderParty.find { it?.pokemonId == id } }
+            if (myTradedPokemons.isEmpty() || theirTradedPokemons.isEmpty()) {
                 CobblemonNetwork.sendToServer(CancelTradePacket())
                 return@subscribe onClose()
             }
-            val tradedSlot = party.indexOf(myTradedPokemon)
-            val opposingTradedSlot = traderParty.indexOf(theirTradedPokemon)
-            party[tradedSlot] = theirTradedPokemon
-            traderParty[opposingTradedSlot] = myTradedPokemon
+
+            myTradedPokemons.forEach { pk ->
+                val idx = party.indexOf(pk)
+                if (idx != -1) party[idx] = null
+            }
+            theirTradedPokemons.forEach { pk ->
+                val idx = traderParty.indexOf(pk)
+                if (idx != -1) traderParty[idx] = null
+            }
+
+            val newSelectedIndices = mutableListOf<Int>()
+            theirTradedPokemons.forEach { pk ->
+                val emptyIdx = party.indexOf(null)
+                if (emptyIdx != -1) {
+                    party[emptyIdx] = pk
+                }
+            }
+            myTradedPokemons.forEach { pk ->
+                val emptyIdx = traderParty.indexOf(null)
+                if (emptyIdx != -1) traderParty[emptyIdx] = pk
+            }
+
+            val compactUI = { list: MutableList<TradeStartedPacket.TradeablePokemon?> ->
+                val nonNulls = list.filterNotNull()
+                list.clear()
+                list.addAll(nonNulls)
+                while (list.size < 6) list.add(null)
+            }
+            compactUI(party)
+            compactUI(traderParty)
+
+            theirTradedPokemons.forEach { pk ->
+                val idx = party.indexOf(pk)
+                if (idx != -1) newSelectedIndices.add(idx)
+            }
 
             trade.oppositeAcceptedMyOffer.set(false)
-            CobblemonNetwork.sendToServer(UpdateTradeOfferPacket(Pair(theirTradedPokemon.pokemonId, PartyPosition(tradedSlot))))
+            selectedPartyIndices.clear()
+            selectedPartyIndices.addAll(newSelectedIndices)
+
+            val newOffers = selectedPartyIndices.mapNotNull { idx ->
+                party[idx]?.let { it.pokemonId to PartyPosition(idx) }
+            }
+            CobblemonNetwork.sendToServer(UpdateTradeOfferPacket(newOffers))
 
             rebuildWidgets()
         }
 
-        trade.oppositeOffer.subscribe { newOffer: Pokemon? ->
-            setOfferedPokemon(pokemon = newOffer, isOpposing = true)
+        trade.oppositeOffer.subscribe { newOffer: List<Pokemon> ->
+            setOfferedPokemon(pokemonList = newOffer, isOpposing = true)
         }
 
-        trade.myOffer.subscribe { myOffer: Pokemon? ->
-            setOfferedPokemon(pokemon = myOffer)
+        trade.myOffer.subscribe { myOffer: List<Pokemon> ->
+            setOfferedPokemon(pokemonList = myOffer)
         }
 
         trade.oppositeAcceptedMyOffer.subscribe {
@@ -216,9 +262,16 @@ class TradeGUI(
                 pokemon = pokemon,
                 parent = this,
                 onPress = {
-                    if (!trade.acceptedOppositeOffer && !tradeProcessing) {
-                        val pk = if (offeredPokemon?.uuid == pokemon?.pokemonId) null else pokemon
-                        CobblemonNetwork.sendToServer(UpdateTradeOfferPacket(pk?.let { it.pokemonId to PartyPosition(partyIndex) }))
+                    if (!trade.acceptedOppositeOffer && !tradeProcessing && pokemon != null) {
+                        if (selectedPartyIndices.contains(partyIndex)) {
+                            selectedPartyIndices.remove(partyIndex)
+                        } else if (selectedPartyIndices.size < 6) {
+                            selectedPartyIndices.add(partyIndex)
+                        }
+                        val newOffers = selectedPartyIndices.mapNotNull { idx ->
+                            party[idx]?.let { it.pokemonId to PartyPosition(idx) }
+                        }
+                        CobblemonNetwork.sendToServer(UpdateTradeOfferPacket(newOffers))
                         playSound(CobblemonSounds.GUI_CLICK)
                     }
                 }
@@ -250,8 +303,8 @@ class TradeGUI(
             ).also { widget -> addRenderableWidget(widget) }
         }
 
-        setOfferedPokemon(pokemon = offeredPokemon, isOpposing = false)
-        setOfferedPokemon(pokemon = opposingOfferedPokemon, isOpposing = true)
+        setOfferedPokemon(pokemonList = offeredPokemons.toList(), isOpposing = false)
+        setOfferedPokemon(pokemonList = opposingPokemons.toList(), isOpposing = true)
 
         offeredPokemonMarkings = MarkingsWidget(x + 74.5, y + 21, offeredPokemon, false)
         opposingOfferedPokemonMarkings = MarkingsWidget(x + 177.5, y + 21, opposingOfferedPokemon, false)
@@ -284,7 +337,7 @@ class TradeGUI(
                 if (tradeAnimationProgress > REVERSE_ANIMATION_TICK)
                     (REVERSE_ANIMATION_TICK + TRADE_ANIMATION_FRAMES - tradeAnimationProgress)
                 else (tradeAnimationProgress - MODEL_SCALE_BUFFER_FRAMES)
-            ) * TRADE_ANIMATION_HEIGHT
+                ) * TRADE_ANIMATION_HEIGHT
             blitk(
                 matrixStack = matrices,
                 texture = tradeAnimationResource,
@@ -313,20 +366,56 @@ class TradeGUI(
         // Render Model Portraits
         var scale = PORTRAIT_SCALE
         var scaleOffsetY = PORTRAIT_MODEL_OFFSET_Y
+        var isShrinking = false
         if (tradeProcessing) {
             val scaleInterval = if (tradeAnimationProgress > REVERSE_ANIMATION_TICK) (MAX_TRADE_PROGRESS - tradeAnimationProgress) else tradeAnimationProgress
             scale = (PORTRAIT_SCALE - (scaleInterval * PORTRAIT_SCALE_MULTIPLIER)).coerceIn(0F, PORTRAIT_SCALE)
             scaleOffsetY = (45.0 - (45.0 / PORTRAIT_SCALE) * scale) + PORTRAIT_MODEL_OFFSET_Y
+            isShrinking = true
         }
+        val shrinkPercentage = if (isShrinking) 1.0F - (scale / PORTRAIT_SCALE) else 0.0F
+        val myCenterXDest = x + 70 + (PORTRAIT_SIZE / 2.0)
+        val myCenterYDest = y + 30 + (PORTRAIT_SIZE / 2.0)
+        val opCenterXDest = x + 145 + (PORTRAIT_SIZE / 2.0)
+        val opCenterYDest = y + 30 + (PORTRAIT_SIZE / 2.0)
+
         if (scale > 0F) {
             context.enableScissor(backgroundX, backgroundY, backgroundX + BASE_BACKGROUND_WIDTH, backgroundY +  BASE_BACKGROUND_HEIGHT)
-            offeredPokemonModel?.baseScale = scale
-            offeredPokemonModel?.offsetY = scaleOffsetY
-            offeredPokemonModel?.render(context, mouseX, mouseY, delta)
 
-            opposingOfferedPokemonModel?.baseScale = scale
-            opposingOfferedPokemonModel?.offsetY = scaleOffsetY
-            opposingOfferedPokemonModel?.render(context, mouseX, mouseY, delta)
+            offeredPokemonModels.forEachIndexed { i, model ->
+                val posAndScale = getModelPositionAndScale(i, offeredPokemons.size, x + 70, y + 30)
+                val originalScale = posAndScale.second
+                model.baseScale = if (isShrinking) (originalScale / PORTRAIT_SCALE) * scale else originalScale
+                model.offsetY = if (isShrinking) scaleOffsetY else PORTRAIT_MODEL_OFFSET_Y
+
+                val startCenterX = posAndScale.first.first + (PORTRAIT_SIZE / 2.0)
+                val startCenterY = posAndScale.first.second + (PORTRAIT_SIZE / 2.0)
+
+                context.pose().pushPose()
+                context.pose().translate((myCenterXDest - startCenterX) * shrinkPercentage, (myCenterYDest - startCenterY) * shrinkPercentage, 0.0)
+
+                model.render(context, mouseX, mouseY, delta)
+
+                context.pose().popPose()
+            }
+
+            opposingOfferedPokemonModels.forEachIndexed { i, model ->
+                val posAndScale = getModelPositionAndScale(i, opposingPokemons.size, x + 145, y + 30)
+                val originalScale = posAndScale.second
+                model.baseScale = if (isShrinking) (originalScale / PORTRAIT_SCALE) * scale else originalScale
+                model.offsetY = if (isShrinking) scaleOffsetY else PORTRAIT_MODEL_OFFSET_Y
+
+                val startCenterX = posAndScale.first.first + (PORTRAIT_SIZE / 2.0)
+                val startCenterY = posAndScale.first.second + (PORTRAIT_SIZE / 2.0)
+
+                context.pose().pushPose()
+                context.pose().translate((opCenterXDest - startCenterX) * shrinkPercentage, (opCenterYDest - startCenterY) * shrinkPercentage, 0.0)
+
+                model.render(context, mouseX, mouseY, delta)
+
+                context.pose().popPose()
+            }
+
             context.disableScissor()
         }
 
@@ -341,8 +430,46 @@ class TradeGUI(
 
         renderInfoLabels(context, x, y)
 
-        renderPokemonInfo(offeredPokemon, false, context, x, y, mouseX, mouseY)
-        renderPokemonInfo(opposingOfferedPokemon, true, context, x, y, mouseX, mouseY)
+        children().filterIsInstance<PartySlot>().forEach { slot ->
+            if (slot.isHovered(mouseX, mouseY)) {
+                val hoveredId = slot.pokemon?.pokemonId
+                if (slot.isOpposing && slot.hasSelected()) {
+                    opposingPokemons.find { it.uuid == hoveredId }?.let { opposingOfferedPokemon = it }
+                } else if (!slot.isOpposing) {
+                    val matchingModel = offeredPokemons.find { it.uuid == hoveredId }
+                    if (matchingModel != null) {
+                        offeredPokemon = matchingModel
+                    } else {
+                        val realPokemon = com.cobblemon.mod.common.client.CobblemonClient.storage.party.find { it?.uuid == hoveredId }
+                        if (realPokemon != null) {
+                            offeredPokemon = realPokemon
+                        }
+                    }
+                }
+            }
+        }
+
+        val currentOffered = offeredPokemon
+        if (currentOffered != null) {
+            renderPokemonInfo(currentOffered, false, context, x, y, mouseX, mouseY)
+            if (::offeredPokemonMarkings.isInitialized) {
+                offeredPokemonMarkings.visible = true
+                if (offeredPokemonMarkings.pokemon != currentOffered) offeredPokemonMarkings.setActivePokemon(currentOffered)
+            }
+        } else {
+            if (::offeredPokemonMarkings.isInitialized) offeredPokemonMarkings.visible = false
+        }
+
+        val currentOpposing = opposingOfferedPokemon
+        if (currentOpposing != null) {
+            renderPokemonInfo(currentOpposing, true, context, x, y, mouseX, mouseY)
+            if (::opposingOfferedPokemonMarkings.isInitialized) {
+                opposingOfferedPokemonMarkings.visible = true
+                if (opposingOfferedPokemonMarkings.pokemon != currentOpposing) opposingOfferedPokemonMarkings.setActivePokemon(currentOpposing)
+            }
+        } else {
+            if (::opposingOfferedPokemonMarkings.isInitialized) opposingOfferedPokemonMarkings.visible = false
+        }
 
         if (trade.acceptedOppositeOffer) {
             blitk(
@@ -431,19 +558,25 @@ class TradeGUI(
 
         super.render(context, mouseX, mouseY, delta)
 
-        // Item Tooltip
-        if (offeredPokemon != null && !offeredPokemon!!.heldItemNoCopy().isEmpty) {
-            val itemX = x + 50
-            val itemY = y + 125
-            val itemHovered = mouseX.toFloat() in (itemX.toFloat()..(itemX.toFloat() + 16)) && mouseY.toFloat() in (itemY.toFloat()..(itemY.toFloat() + 16))
-            if (itemHovered) context.renderTooltip(Minecraft.getInstance().font, offeredPokemon!!.heldItemNoCopy(), mouseX, mouseY)
+        val ttOffered = offeredPokemon
+        if (ttOffered != null) {
+            // Item Tooltip
+            if (!ttOffered.heldItemNoCopy().isEmpty) {
+                val itemX = x + 50
+                val itemY = y + 125
+                val itemHovered = mouseX.toFloat() in (itemX.toFloat()..(itemX.toFloat() + 16)) && mouseY.toFloat() in (itemY.toFloat()..(itemY.toFloat() + 16))
+                if (itemHovered) context.renderTooltip(Minecraft.getInstance().font, ttOffered.heldItemNoCopy(), mouseX, mouseY)
+            }
         }
 
-        if (opposingOfferedPokemon != null && !opposingOfferedPokemon!!.heldItemNoCopy().isEmpty) {
-            val itemX = x + 227
-            val itemY = y + 125
-            val itemHovered = mouseX.toFloat() in (itemX.toFloat()..(itemX.toFloat() + 16)) && mouseY.toFloat() in (itemY.toFloat()..(itemY.toFloat() + 16))
-            if (itemHovered) context.renderTooltip(Minecraft.getInstance().font, opposingOfferedPokemon!!.heldItemNoCopy(), mouseX, mouseY)
+        val ttOpposing = opposingOfferedPokemon
+        if (ttOpposing != null) {
+            if (!ttOpposing.heldItemNoCopy().isEmpty) {
+                val itemX = x + 227
+                val itemY = y + 125
+                val itemHovered = mouseX.toFloat() in (itemX.toFloat()..(itemX.toFloat() + 16)) && mouseY.toFloat() in (itemY.toFloat()..(itemY.toFloat() + 16))
+                if (itemHovered) context.renderTooltip(Minecraft.getInstance().font, ttOpposing.heldItemNoCopy(), mouseX, mouseY)
+            }
         }
     }
 
@@ -480,11 +613,13 @@ class TradeGUI(
             }
 
             if (tradeAnimationProgress == (MAX_TRADE_PROGRESS + CRY_BUFFER)) {
-                if (offeredPokemonModel !== null && opposingOfferedPokemonModel !== null) {
-                    offeredPokemonModel!!.state.activeAnimations.clear()
-                    offeredPokemonModel!!.state.addFirstAnimation(setOf("cry"))
-                    opposingOfferedPokemonModel!!.state.activeAnimations.clear()
-                    opposingOfferedPokemonModel!!.state.addFirstAnimation(setOf("cry"))
+                offeredPokemonModels.forEach {
+                    it.state.activeAnimations.clear()
+                    it.state.addFirstAnimation(setOf("cry"))
+                }
+                opposingOfferedPokemonModels.forEach {
+                    it.state.activeAnimations.clear()
+                    it.state.addFirstAnimation(setOf("cry"))
                 }
             }
 
@@ -515,41 +650,140 @@ class TradeGUI(
 
     override fun renderMenuBackground(context: GuiGraphics) {}
 
-    private fun setOfferedPokemon(pokemon: Pokemon?, isOpposing: Boolean = false) {
+    private fun setOfferedPokemon(pokemonList: List<Pokemon>, isOpposing: Boolean = false) {
         protectiveTicks = 20
+        if (isOpposing) {
+            val wasEmpty = opposingPokemons.isEmpty()
+            val currentViewedUuid = if (opposingGridMode) null else opposingOfferedPokemon?.uuid
+            opposingPokemons.clear()
+            opposingPokemons.addAll(pokemonList)
+
+            val matchingPokemon = opposingPokemons.find { it.uuid == currentViewedUuid }
+
+            if (matchingPokemon != null) {
+                opposingOfferedPokemon = matchingPokemon
+                if (::opposingOfferedPokemonMarkings.isInitialized) opposingOfferedPokemonMarkings.setActivePokemon(opposingOfferedPokemon)
+            } else {
+                opposingOfferedPokemon = opposingPokemons.lastOrNull()
+                if (::opposingOfferedPokemonMarkings.isInitialized) opposingOfferedPokemonMarkings.setActivePokemon(opposingOfferedPokemon)
+                if (wasEmpty && opposingOfferedPokemon != null) {
+                    opposingGridMode = false
+                } else if (!opposingGridMode) {
+                    opposingGridMode = true
+                }
+            }
+            trade.acceptedOppositeOffer = false
+        } else {
+            val wasEmpty = offeredPokemons.isEmpty()
+            val currentViewedUuid = if (myGridMode) null else offeredPokemon?.uuid
+            offeredPokemons.clear()
+            offeredPokemons.addAll(pokemonList)
+
+            val matchingPokemon = offeredPokemons.find { it.uuid == currentViewedUuid }
+
+            if (matchingPokemon != null) {
+                offeredPokemon = matchingPokemon
+                if (::offeredPokemonMarkings.isInitialized) offeredPokemonMarkings.setActivePokemon(offeredPokemon)
+            } else {
+                offeredPokemon = offeredPokemons.lastOrNull()
+                if (::offeredPokemonMarkings.isInitialized) offeredPokemonMarkings.setActivePokemon(offeredPokemon)
+                if (wasEmpty && offeredPokemon != null) {
+                    myGridMode = false
+                } else if (!myGridMode) {
+                    myGridMode = true
+                }
+            }
+        }
+        rebuildSelectedModels(isOpposing)
+    }
+
+    private fun rebuildSelectedModels(isOpposing: Boolean) {
         val x = (width - BASE_WIDTH) / 2
         val y = (height - BASE_HEIGHT) / 2
 
         if (isOpposing) {
-            opposingOfferedPokemon = pokemon
-            opposingOfferedPokemonModel = if (pokemon != null) ModelWidget(
-                pX = x + 145,
-                pY = y + 30,
-                pWidth = PORTRAIT_SIZE,
-                pHeight = PORTRAIT_SIZE,
-                pokemon = pokemon.asRenderablePokemon(),
-                baseScale = PORTRAIT_SCALE,
-                rotationY = 35F,
-                offsetY = PORTRAIT_MODEL_OFFSET_Y
-            ) else null
-            if (::opposingOfferedPokemonMarkings.isInitialized) opposingOfferedPokemonMarkings.setActivePokemon(opposingOfferedPokemon)
-            trade.acceptedOppositeOffer = false
+            opposingOfferedPokemonModels.clear()
+            val total = opposingPokemons.size
+            opposingPokemons.forEachIndexed { i, pk ->
+                val (pos, currentScale) = getModelPositionAndScale(i, total, x + 145, y + 30)
+                opposingOfferedPokemonModels.add(ModelWidget(
+                    pX = pos.first, pY = pos.second,
+                    pWidth = PORTRAIT_SIZE, pHeight = PORTRAIT_SIZE,
+                    pokemon = pk.asRenderablePokemon(),
+                    baseScale = currentScale,
+                    rotationY = 35F,
+                    offsetY = PORTRAIT_MODEL_OFFSET_Y
+                ))
+            }
         } else {
-            offeredPokemon = pokemon
-            offeredPokemonModel = if (pokemon != null) ModelWidget(
-                pX = x + 70,
-                pY = y + 30,
-                pWidth = PORTRAIT_SIZE,
-                pHeight = PORTRAIT_SIZE,
-                pokemon = pokemon.asRenderablePokemon(),
-                baseScale = PORTRAIT_SCALE,
-                rotationY = 325F,
-                offsetY = PORTRAIT_MODEL_OFFSET_Y
-            ) else null
-            if (::offeredPokemonMarkings.isInitialized) offeredPokemonMarkings.setActivePokemon(offeredPokemon)
+            offeredPokemonModels.clear()
+            val total = offeredPokemons.size
+            offeredPokemons.forEachIndexed { i, pk ->
+                val (pos, currentScale) = getModelPositionAndScale(i, total, x + 70, y + 30)
+                offeredPokemonModels.add(ModelWidget(
+                    pX = pos.first, pY = pos.second,
+                    pWidth = PORTRAIT_SIZE, pHeight = PORTRAIT_SIZE,
+                    pokemon = pk.asRenderablePokemon(),
+                    baseScale = currentScale,
+                    rotationY = 325F,
+                    offsetY = PORTRAIT_MODEL_OFFSET_Y
+                ))
+            }
         }
     }
 
+    private fun getModelPositionAndScale(index: Int, total: Int, baseX: Int, baseY: Int): Pair<Pair<Int, Int>, Float> {
+        val scale = when (total) {
+            1 -> PORTRAIT_SCALE
+            2 -> PORTRAIT_SCALE * 0.75f
+            3 -> PORTRAIT_SCALE * 0.65f
+            4 -> PORTRAIT_SCALE * 0.55f
+            else -> PORTRAIT_SCALE * 0.5f
+        }
+
+        if (total <= 1) {
+            return Pair(Pair(baseX, baseY), scale)
+        }
+
+        val rowLength1 = when (total) {
+            2, 3, 4 -> 2
+            else -> 3
+        }
+        val rowLength2 = total - rowLength1
+
+        val isBottomRow = index >= rowLength1
+        val row = if (isBottomRow) 1 else 0
+        val col = if (isBottomRow) index - rowLength1 else index
+        val currentRowLength = if (isBottomRow) rowLength2 else rowLength1
+
+        val colSpacing = when (total) {
+            2 -> 35
+            3 -> 30
+            4 -> 25
+            else -> 23
+        }
+        val rowSpacing = when (total) {
+            2, 3 -> 30
+            4 -> 28
+            else -> 25
+        }
+
+        val totalWidth = (currentRowLength - 1) * colSpacing
+        val startX = baseX - (totalWidth / 2)
+
+        val totalHeight = if (rowLength2 > 0) rowSpacing else 0
+        var startY = baseY + 12 - (totalHeight / 2)
+
+        if (total >= 4) {
+            startY += 8
+        }
+
+        val posX = startX + (col * colSpacing)
+        val posY = startY + (row * rowSpacing)
+
+        return Pair(Pair(posX, posY), scale)
+    }
+
     private fun playSound(soundEvent: SoundEvent): SoundInstance {
         val soundInstance = SimpleSoundInstance.forUI(soundEvent, 1.0F)
         Minecraft.getInstance().soundManager.play(soundInstance)
@@ -557,10 +791,10 @@ class TradeGUI(
     }
 
     private fun cancelTradeSound() {
-        if (tradeSoundInstance !== null) Minecraft.getInstance().soundManager.stop(tradeSoundInstance)
+        if (tradeSoundInstance != null) Minecraft.getInstance().soundManager.stop(tradeSoundInstance!!)
     }
 
-    private fun renderPokemonInfo(pokemon: Pokemon?, isOpposing: Boolean, context: GuiGraphics, x: Int, y: Int, mouseX: Int, mouseY: Int) {
+    public fun renderPokemonInfo(pokemon: Pokemon?, isOpposing: Boolean, context: GuiGraphics, x: Int, y: Int, mouseX: Int, mouseY: Int) {
         if (pokemon != null) {
             val matrices = context.pose()
             // Level
@@ -1047,4 +1281,4 @@ class TradeGUI(
             scale = SCALE
         )
     }
-}
+}

common/src/main/kotlin/com/cobblemon/mod/common/client/net/bag/UpdateBagMenuDataHandler.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.client.net.bag
+
+import com.cobblemon.mod.common.Cobblemon
+import com.cobblemon.mod.common.api.net.ServerNetworkPacketHandler
+import com.cobblemon.mod.common.item.bag.CobblemonBagMenu
+import com.cobblemon.mod.common.net.messages.client.bag.UpdateBagMenuDataPacket
+import net.minecraft.server.MinecraftServer
+import net.minecraft.server.level.ServerPlayer
+
+object UpdateBagMenuDataHandler : ServerNetworkPacketHandler<UpdateBagMenuDataPacket> {
+    override fun handle(packet: UpdateBagMenuDataPacket, server: MinecraftServer, player: ServerPlayer) {
+        if (player.containerMenu !is CobblemonBagMenu) {
+            Cobblemon.LOGGER.debug("Player {} interacted with invalid menu {}", player, player.containerMenu)
+            return
+        }
+
+        val menu = player.containerMenu as? CobblemonBagMenu ?: return
+        menu.currentlySelectedCategory = packet.categoryId
+        menu.scroll = packet.scroll
+        menu.setupSlotsBasedOnContent()
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/client/net/bag/UseItemOnPokemonFromBagHandler.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.client.net.bag
+
+import com.cobblemon.mod.common.Cobblemon
+import com.cobblemon.mod.common.api.net.ServerNetworkPacketHandler
+import com.cobblemon.mod.common.item.bag.CobblemonBagMenu
+import com.cobblemon.mod.common.net.messages.client.bag.UseItemOnPokemonFromBagPacket
+import net.minecraft.server.MinecraftServer
+import net.minecraft.server.level.ServerPlayer
+
+object UseItemOnPokemonFromBagHandler: ServerNetworkPacketHandler<UseItemOnPokemonFromBagPacket> {
+    override fun handle(packet: UseItemOnPokemonFromBagPacket, server: MinecraftServer, player: ServerPlayer) {
+        if (player.containerMenu !is CobblemonBagMenu) {
+            Cobblemon.LOGGER.debug("Player {} interacted with invalid menu {}", player, player.containerMenu)
+            return
+        }
+
+        val menu = player.containerMenu as? CobblemonBagMenu ?: return
+        menu.useHeldItemOnPokemon(packet.partySlot)
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/client/net/trade/TradeAcceptanceChangedHandler.kt

@@ -15,9 +15,9 @@ import net.minecraft.client.Minecraft
 
 object TradeAcceptanceChangedHandler : ClientNetworkPacketHandler<TradeAcceptanceChangedPacket> {
     override fun handle(packet: TradeAcceptanceChangedPacket, client: Minecraft) {
-        if (CobblemonClient.trade?.myOffer?.get()?.uuid == packet.pokemonId) {
+        if (CobblemonClient.trade?.myOffer?.get()?.any { it.uuid == packet.pokemonId } == true) {
             CobblemonClient.trade!!.oppositeAcceptedMyOffer.set(packet.accepted)
-        } else if (CobblemonClient.trade?.oppositeOffer?.get()?.uuid == packet.pokemonId) {
+        } else if (CobblemonClient.trade?.oppositeOffer?.get()?.any { it.uuid == packet.pokemonId } == true) {
             CobblemonClient.trade!!.acceptedOppositeOffer = packet.accepted
         }
     }

common/src/main/kotlin/com/cobblemon/mod/common/client/net/trade/TradeCompletedHandler.kt

@@ -16,6 +16,6 @@ import net.minecraft.client.Minecraft
 object TradeCompletedHandler : ClientNetworkPacketHandler<TradeCompletedPacket> {
     override fun handle(packet: TradeCompletedPacket, client: Minecraft) {
         val trade = CobblemonClient.trade ?: return
-        trade.completedEmitter.emit(packet.pokemonId1 to packet.pokemonId2)
+        trade.completedEmitter.emit(packet.pokemonIds1 to packet.pokemonIds2)
     }
 }

common/src/main/kotlin/com/cobblemon/mod/common/client/net/trade/TradeStartedHandler.kt

@@ -20,7 +20,7 @@ import net.minecraft.client.Minecraft
 
 object TradeStartedHandler : ClientNetworkPacketHandler<TradeStartedPacket> {
     override fun handle(packet: TradeStartedPacket, client: Minecraft) {
-        Cobblemon.LOGGER.error("handle trade start from: " + packet.traderId)
+        Cobblemon.LOGGER.info("Trade started with {}", packet.traderId)
         val trade = ClientTrade()
         CobblemonClient.trade = trade
         Minecraft.getInstance().setScreen(

common/src/main/kotlin/com/cobblemon/mod/common/client/net/trade/TradeUpdatedHandler.kt

@@ -18,9 +18,9 @@ object TradeUpdatedHandler : ClientNetworkPacketHandler<TradeUpdatedPacket> {
         val trade = CobblemonClient.trade ?: return
 
         if (packet.playerId == Minecraft.getInstance().player?.uuid) {
-            trade.myOffer.set(packet.pokemon)
+            trade.myOffer.set(packet.pokemons)
         } else {
-            trade.oppositeOffer.set(packet.pokemon)
+            trade.oppositeOffer.set(packet.pokemons)
         }
         trade.oppositeAcceptedMyOffer.set(false)
         trade.acceptedOppositeOffer = false

common/src/main/kotlin/com/cobblemon/mod/common/client/render/layer/CobblemonBagRenderer.kt

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.client.render.layer
+
+import com.cobblemon.mod.common.client.CobblemonBakingOverrides
+import com.cobblemon.mod.common.item.bag.CobblemonBagItem
+
+import com.mojang.blaze3d.vertex.PoseStack
+import com.mojang.math.Axis
+import net.minecraft.client.Minecraft
+import net.minecraft.client.model.PlayerModel
+import net.minecraft.client.renderer.MultiBufferSource
+import net.minecraft.client.renderer.entity.RenderLayerParent
+import net.minecraft.client.renderer.entity.layers.RenderLayer
+import net.minecraft.client.renderer.texture.OverlayTexture
+import net.minecraft.world.entity.EquipmentSlot
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.item.ItemDisplayContext
+
+class CobblemonBagRenderer<T : Player>(renderLayerParent: RenderLayerParent<T, PlayerModel<T>>): RenderLayer<T, PlayerModel<T>>(renderLayerParent) {
+    override fun render(
+        poseStack: PoseStack,
+        bufferSource: MultiBufferSource,
+        packedLight: Int,
+        player: T,
+        limbSwing: Float,
+        limbSwingAmount: Float,
+        partialTick: Float,
+        ageInTicks: Float,
+        netHeadYaw: Float,
+        headPitch: Float
+    ) {
+        val bagItem = player.getItemBySlot(EquipmentSlot.CHEST)
+        if (bagItem.item !is CobblemonBagItem) return
+        val model = CobblemonBakingOverrides.bagModels[bagItem.item]?.getModel() ?: return
+
+        player.level().profiler.push("cobblemon_bag_render")
+        poseStack.pushPose()
+
+        parentModel.body.translateAndRotate(poseStack)
+
+        poseStack.rotateAround(Axis.ZP.rotationDegrees(180F), 0F, 1F, 0F)
+        poseStack.translate(0.0, 1.0, 0.0)
+
+        Minecraft.getInstance().itemRenderer.render(
+            bagItem,
+            ItemDisplayContext.FIXED,
+            false,
+            poseStack,
+            bufferSource,
+            packedLight,
+            OverlayTexture.NO_OVERLAY,
+            model
+        )
+
+        poseStack.popPose()
+        player.level().profiler.pop()
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/client/trade/ClientTrade.kt

@@ -14,12 +14,12 @@ import com.cobblemon.mod.common.pokemon.Pokemon
 import java.util.UUID
 
 class ClientTrade {
-    var myOffer = SettableObservable<Pokemon?>(null)
-    var oppositeOffer = SettableObservable<Pokemon?>(null)
+    var myOffer = SettableObservable<List<Pokemon>>(emptyList())
+    var oppositeOffer = SettableObservable<List<Pokemon>>(emptyList())
     var tradeProcessing = SettableObservable(Pair(false, false))
     var oppositeAcceptedMyOffer = SettableObservable(false)
     var acceptedOppositeOffer = false
 
-    var completedEmitter = SimpleObservable<Pair<UUID, UUID>>()
+    var completedEmitter = SimpleObservable<Pair<List<UUID>, List<UUID>>>()
     var cancelEmitter = SimpleObservable<Unit>()
 }

common/src/main/kotlin/com/cobblemon/mod/common/data/CobblemonDataProvider.kt

@@ -11,6 +11,7 @@ package com.cobblemon.mod.common.data
 import com.cobblemon.mod.common.*
 import com.cobblemon.mod.common.Cobblemon.LOGGER
 import com.cobblemon.mod.common.api.abilities.Abilities
+import com.cobblemon.mod.common.api.bag.BagCategories
 import com.cobblemon.mod.common.api.berry.Berries
 import com.cobblemon.mod.common.api.cooking.Seasonings
 import com.cobblemon.mod.common.api.data.DataProvider
@@ -120,6 +121,7 @@ object CobblemonDataProvider : DataProvider {
         this.register(SpawnBaitEffects, reloadable = false)
         this.register(CobblemonRideSettings, reloadable = true)
         this.register(TechnicalMachines, reloadable = false)
+        this.register(BagCategories, reloadable = false)
         SpawnBait.Effects.setupEffects()
 
         PlatformEvents.SERVER_PLAYER_LOGOUT.subscribe {

common/src/main/kotlin/com/cobblemon/mod/common/entity/boat/CobblemonChestBoatEntity.kt

@@ -160,5 +160,4 @@ class CobblemonChestBoatEntity(entityType: EntityType<CobblemonChestBoatEntity>,
         private const val INVENTORY_SLOTS = 27
 
     }
-
 }

common/src/main/kotlin/com/cobblemon/mod/common/entity/pokemon/PokemonEntity.kt

@@ -2744,4 +2744,9 @@ open class PokemonEntity(
     }
 
     fun hasRider() = this.passengers.any { it is LivingEntity }
-}
+
+    override fun playStepSound(pos: BlockPos, state: BlockState) {
+        if (this.pokemon.species.silenceStepSounds) return
+        super.playStepSound(pos, state)
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/events/AdvancementHandler.kt

@@ -31,6 +31,7 @@ import net.minecraft.world.item.BlockItem
 import com.cobblemon.mod.common.platform.events.ServerPlayerEvent
 import com.cobblemon.mod.common.api.storage.player.PlayerInstancedDataStoreTypes
 import com.cobblemon.mod.common.item.GemItem
+import com.cobblemon.mod.common.pokemon.Pokemon
 import com.cobblemon.mod.common.platform.events.PlatformEvents
 import com.cobblemon.mod.common.util.effectiveName
 import com.cobblemon.mod.common.util.getPlayer
@@ -164,26 +165,21 @@ object AdvancementHandler : EventHandler {
     }
 
     fun onTradeCompleted(event : TradeEvent.Post) {
-        val player1 = event.tradeParticipant1Pokemon.getOwnerPlayer()
-        val player2 = event.tradeParticipant2Pokemon.getOwnerPlayer()
-        if (player1 != null) {
-            CobblemonCriteria.TRADE_POKEMON.trigger(player1, TradePokemonContext(event.tradeParticipant1Pokemon, event.tradeParticipant2Pokemon))
-            val playerData = Cobblemon.playerDataManager.getGenericData(player1)
-            val advancementData = playerData.advancementData
-            advancementData.updateTotalTradedCount()
-            advancementData.updateAspectsCollected(player1, event.tradeParticipant2Pokemon)
-            CobblemonCriteria.COLLECT_ASPECT.trigger(player1, advancementData.aspectsCollected)
-            Cobblemon.playerDataManager.saveSingle(playerData, PlayerInstancedDataStoreTypes.GENERAL)
-        }
-        if (player2 != null) {
-            CobblemonCriteria.TRADE_POKEMON.trigger(player2, TradePokemonContext(event.tradeParticipant2Pokemon, event.tradeParticipant1Pokemon))
-            val playerData = Cobblemon.playerDataManager.getGenericData(player2)
-            val advancementData = playerData.advancementData
-            advancementData.updateTotalTradedCount()
-            advancementData.updateAspectsCollected(player2, event.tradeParticipant1Pokemon)
-            CobblemonCriteria.COLLECT_ASPECT.trigger(player2, advancementData.aspectsCollected)
-            Cobblemon.playerDataManager.saveSingle(playerData, PlayerInstancedDataStoreTypes.GENERAL)
+        onTradeCompleted(event.tradeParticipant1Pokemon, event.tradeParticipant2Pokemon)
+        onTradeCompleted(event.tradeParticipant2Pokemon, event.tradeParticipant1Pokemon)
+    }
+
+    private fun onTradeCompleted(received: List<Pokemon>, traded: List<Pokemon>) {
+        val player = received.firstOrNull()?.getOwnerPlayer() ?: return
+        received.forEach { receivedPokemon ->
+            traded.forEach { tradedPokemon -> CobblemonCriteria.TRADE_POKEMON.trigger(player, TradePokemonContext(tradedPokemon, receivedPokemon)) }
         }
+        val playerData = Cobblemon.playerDataManager.getGenericData(player)
+        val advancementData = playerData.advancementData
+        advancementData.updateTotalTradedCount()
+        received.forEach { advancementData.updateAspectsCollected(player, it) }
+        CobblemonCriteria.COLLECT_ASPECT.trigger(player, advancementData.aspectsCollected)
+        Cobblemon.playerDataManager.saveSingle(playerData, PlayerInstancedDataStoreTypes.GENERAL)
     }
 
     /**

common/src/main/kotlin/com/cobblemon/mod/common/events/StatHandler.kt

@@ -110,8 +110,8 @@ object StatHandler : EventHandler {
     }
 
     fun onTradeCompleted(event : TradeEvent.Post) {
-        event.tradeParticipant1Pokemon.getOwnerPlayer()?.awardStat(getStat(Cobblemon.statistics.TRADED))
-        event.tradeParticipant2Pokemon.getOwnerPlayer()?.awardStat(getStat(Cobblemon.statistics.TRADED))
+        event.tradeParticipant1Pokemon.firstOrNull()?.getOwnerPlayer()?.awardStat(getStat(Cobblemon.statistics.TRADED))
+        event.tradeParticipant2Pokemon.firstOrNull()?.getOwnerPlayer()?.awardStat(getStat(Cobblemon.statistics.TRADED))
     }
 
     fun onFossilRevived(event : FossilRevivedEvent) {

common/src/main/kotlin/com/cobblemon/mod/common/item/bag/CobblemonBagContainer.kt

@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.item.bag
+
+import net.minecraft.core.HolderLookup
+import net.minecraft.nbt.CompoundTag
+import net.minecraft.nbt.ListTag
+import net.minecraft.world.Container
+import net.minecraft.world.ContainerHelper
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.item.ItemStack
+import kotlin.math.min
+
+class CobblemonBagContainer: Container {
+    val items: MutableList<ItemStack> = mutableListOf()
+
+    override fun getContainerSize(): Int {
+        return items.size
+    }
+
+    override fun getItem(slot: Int): ItemStack {
+        if (slot >= items.size) return ItemStack.EMPTY
+        return items[slot]
+    }
+
+    override fun isEmpty(): Boolean {
+        return items.isEmpty()
+    }
+
+    override fun removeItem(slot: Int, amount: Int): ItemStack {
+        if (slot >= items.size) return ItemStack.EMPTY
+        val itemStack = items[slot].split(amount)
+        if (items[slot].isEmpty) {
+            items.removeAt(slot)
+        }
+        return itemStack
+    }
+
+    override fun removeItemNoUpdate(slot: Int): ItemStack { return ItemStack.EMPTY }
+
+    override fun clearContent() {
+        items.clear()
+        setChanged()
+    }
+
+    override fun setChanged() {
+    }
+
+    override fun setItem(slot: Int, stack: ItemStack) {} // Obsolete
+
+    override fun stillValid(player: Player): Boolean {
+        return true
+    }
+
+    override fun getMaxStackSize(): Int {
+        return 99999
+    }
+
+    fun fromTag(tag: ListTag, levelRegistry: HolderLookup.Provider) {
+        items.clear()
+
+        tag.forEach {
+            val compoundTag = it as CompoundTag
+            val count = compoundTag.getInt("count")
+            compoundTag.putInt("count", 1)
+            val item = ItemStack.parse(levelRegistry, it)
+            item.ifPresent { theItem ->
+                theItem.count = count
+                items.add(theItem)
+            }
+        }
+    }
+
+    fun createTag(levelRegistry: HolderLookup.Provider): ListTag {
+        val tag = ListTag()
+
+        items.forEach {
+            val fakeItem = it.copyWithCount(1)
+            val compoundTag = fakeItem.save(levelRegistry) as CompoundTag
+            compoundTag.putInt("count", it.count) // ItemStack does not save count above 99 for some reason, so we save it ourselves
+            tag.add(compoundTag)
+        }
+
+        return tag
+    }
+
+    fun dropAll(player: Player) {
+        items.forEach {
+            player.drop(it, true, false)
+        }
+        items.clear()
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/item/bag/CobblemonBagItem.kt

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.item.bag
+
+import com.cobblemon.mod.common.CobblemonSounds
+import com.cobblemon.mod.common.item.CobblemonItem
+import com.cobblemon.mod.common.bag.BagEntity
+import net.minecraft.client.Minecraft
+import net.minecraft.client.resources.sounds.SimpleSoundInstance
+import net.minecraft.core.Holder
+import net.minecraft.network.chat.Component
+import net.minecraft.sounds.SoundEvent
+import net.minecraft.world.InteractionHand
+import net.minecraft.world.InteractionResultHolder
+import net.minecraft.world.MenuProvider
+import net.minecraft.world.entity.EquipmentSlot
+import net.minecraft.world.entity.player.Inventory
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.inventory.AbstractContainerMenu
+import net.minecraft.world.item.Equipable
+import net.minecraft.world.item.ItemStack
+import net.minecraft.world.level.Level
+
+class CobblemonBagItem: CobblemonItem(Properties().stacksTo(1)), MenuProvider, Equipable {
+    override fun use(level: Level, player: Player, usedHand: InteractionHand): InteractionResultHolder<ItemStack?> {
+        val itemStack = player.getItemInHand(usedHand)
+        player.openMenu(this)
+        return InteractionResultHolder.success(itemStack)
+    }
+
+    override fun createMenu(i: Int, inventory: Inventory, player: Player): AbstractContainerMenu {
+        val bagEntity = (player as? BagEntity)
+        val container = bagEntity?.`cobblemon$getBagContainer`() ?: CobblemonBagContainer()
+
+        return CobblemonBagMenu(i, inventory, container)
+    }
+
+    override fun getDisplayName(): Component? {
+        return Component.translatable("cobblemon.container.bag")
+    }
+
+    override fun getEquipmentSlot(): EquipmentSlot = EquipmentSlot.CHEST
+
+    override fun getEquipSound(): Holder<SoundEvent?>? {
+        Minecraft.getInstance().soundManager.play(SimpleSoundInstance.forUI(CobblemonSounds.ITEM_BAG_EQUIP, 1.0F))
+        return null
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/item/bag/CobblemonBagMenu.kt

@@ -0,0 +1,428 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.item.bag
+
+import com.cobblemon.mod.common.Cobblemon
+import com.cobblemon.mod.common.CobblemonMenuType
+import com.cobblemon.mod.common.CobblemonSounds
+import com.cobblemon.mod.common.advancement.CobblemonCriteria
+import com.cobblemon.mod.common.advancement.criterion.PokemonInteractContext
+import com.cobblemon.mod.common.api.bag.BagCategories
+import com.cobblemon.mod.common.api.item.PokemonSelectingItem
+import com.cobblemon.mod.common.api.storage.party.PartyStore
+import com.cobblemon.mod.common.api.tags.CobblemonItemTags
+import com.cobblemon.mod.common.client.CobblemonClient
+import com.cobblemon.mod.common.util.isInBattle
+import net.minecraft.CrashReport
+import net.minecraft.ReportedException
+import net.minecraft.client.Minecraft
+import net.minecraft.client.resources.sounds.SimpleSoundInstance
+import net.minecraft.core.NonNullList
+import net.minecraft.core.registries.BuiltInRegistries
+import net.minecraft.server.level.ServerPlayer
+import net.minecraft.sounds.SoundEvent
+import net.minecraft.world.InteractionResult
+import net.minecraft.world.SimpleContainer
+import net.minecraft.world.entity.player.Inventory
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.inventory.AbstractContainerMenu
+import net.minecraft.world.inventory.ClickAction
+import net.minecraft.world.inventory.ClickType
+import net.minecraft.world.inventory.Slot
+import net.minecraft.world.item.ItemStack
+import kotlin.math.ceil
+import kotlin.math.max
+import kotlin.math.min
+
+class CobblemonBagMenu: AbstractContainerMenu {
+    companion object {
+        val BAG_SLOTS = 0..31
+        private val PARTY_SLOTS = 32..37
+        private val INVENTORY_SLOTS = 38..64
+        private val HOTBAR_SLOTS = 65..73
+    }
+
+    private val playerInventory: Inventory
+    private val bagContainer: CobblemonBagContainer
+    private val partyContainer: SimpleContainer
+
+    private var serverParty: PartyStore? = null
+    var currentlySelectedCategory = -1
+    var scroll = 0
+    var maxScroll = 0
+    var categoryItemCounts = mutableListOf<Int>()
+
+    constructor(containerId: Int, playerInventory: Inventory): super(CobblemonMenuType.COBBLEMON_BAG, containerId) {
+        this.playerInventory = playerInventory
+        this.bagContainer = CobblemonBagContainer()
+        this.partyContainer = SimpleContainer(6)
+        for (i in 0..<BagCategories.getOrderedCategoriesList().size) { //Pre-init so Screen does not crash
+            categoryItemCounts.add(0)
+        }
+        initializeSlots(playerInventory)
+    }
+
+    constructor(containerId: Int, playerInventory: Inventory, bagContainer: CobblemonBagContainer): super(CobblemonMenuType.COBBLEMON_BAG, containerId) {
+        this.playerInventory = playerInventory
+        this.bagContainer = bagContainer
+        this.partyContainer = SimpleContainer(6)
+        this.serverParty = Cobblemon.storage.getParty(playerInventory.player as ServerPlayer)
+        initializeSlots(playerInventory)
+        setupSlotsBasedOnContent()
+        calculateCategoriesItemCounts()
+    }
+
+    private fun initializeSlots(playerInventory: Inventory) {
+        for ((index, _) in BAG_SLOTS.withIndex()) {
+            val i = index / 8
+            val j = index % 8
+            addSlot(CobblemonBagSlot(bagContainer, -1, 81 + j * 18, 50 + i * 18))
+        }
+
+        for ((index, _) in PARTY_SLOTS.withIndex()) {
+            val xPos = 46
+            val yPos = 32 + 33 * index
+            if (serverParty != null) {
+                addSlot(CobblemonBagPartySlot(partyContainer, index,
+                    { serverParty?.get(index) != null },
+                    { serverParty?.get(index)?.heldItem() ?: ItemStack.EMPTY },
+                    xPos, yPos))
+            } else {
+                addSlot(CobblemonBagPartySlot(partyContainer, index,
+                    { CobblemonClient.storage.party.get(index) != null },
+                    { CobblemonClient.storage.party.get(index)?.heldItem() ?: ItemStack.EMPTY },
+                    xPos, yPos))
+            }
+        }
+
+        for ((index, _) in INVENTORY_SLOTS.withIndex()) {
+            val i = index / 9
+            val j = index % 9
+            addSlot(Slot(playerInventory, 9 + index, 81 + j * 18, 142 + i * 18))
+        }
+
+        for ((index, _) in HOTBAR_SLOTS.withIndex()) {
+            addSlot(Slot(playerInventory, index, 81 + index * 18, 200))
+        }
+    }
+
+    fun setupSlotsBasedOnContent() {
+        BAG_SLOTS.forEach {
+            (getSlot(it) as CobblemonBagSlot).let {
+                it.simulatedSlot = -1
+                it.slotOverflowValue = 0
+            }
+        }
+
+        var slotId = BAG_SLOTS.first - 8 * scroll
+        bagContainer.items.forEachIndexed { index, itemStack ->
+            if (currentlySelectedCategory == -1 || BagCategories.getOrderedCategoriesList()[currentlySelectedCategory].itemIsValid(itemStack)) {
+                val stackCount = ceil(itemStack.count.toFloat() / itemStack.maxStackSize).toInt()
+                for (i in 0..<stackCount) {
+                    if (slotId in BAG_SLOTS) {
+                        val slot = getSlot(slotId) as CobblemonBagSlot
+                        slot.simulatedSlot = index
+                        slot.slotOverflowValue = i
+                    }
+                    slotId += 1
+                    if (slotId > BAG_SLOTS.last) return@forEachIndexed
+                }
+            }
+        }
+        updateMaxScroll()
+    }
+
+    fun calculateCategoriesItemCounts() {
+        val orderedCategories = BagCategories.getOrderedCategoriesList()
+        categoryItemCounts.clear()
+        for (i in 0..<orderedCategories.size) {
+            categoryItemCounts.add(0)
+        }
+
+        bagContainer.items.forEach { itemStack ->
+            for (i in 0..<orderedCategories.size) {
+                val category = orderedCategories[i]
+                if (category.itemIsValid(itemStack)) {
+                    categoryItemCounts[i] += itemStack.count
+                    return@forEach
+                }
+            }
+        }
+    }
+
+    fun changeCategory(categoryId: Int) {
+        currentlySelectedCategory = categoryId
+        scroll = 0
+        setupSlotsBasedOnContent()
+    }
+
+    fun updateMaxScroll() {
+        var itemCount = 0
+        bagContainer.items.forEach { itemStack ->
+            if (currentlySelectedCategory == -1 || BagCategories.getOrderedCategoriesList()[currentlySelectedCategory].itemIsValid(itemStack)) {
+                itemCount += ceil(itemStack.count.toFloat() / itemStack.maxStackSize).toInt()
+            }
+        }
+        val rowsWithItems = (itemCount - 1) / 8 + 1
+        maxScroll = max(rowsWithItems - 3, 0)
+    }
+
+    override fun stillValid(player: Player): Boolean {
+        return true //Add some extra logic like checking for maybe bag item existance
+    }
+
+    override fun sendAllDataToRemote() { //We want to send more info than just the slots
+        val items = NonNullList.create<ItemStack>()
+        for (i in PARTY_SLOTS.first..HOTBAR_SLOTS.last) {
+            this.remoteSlots[i] = this.slots[i].item.copy()
+            items.add(this.remoteSlots[i].copy())
+        }
+
+        this.remoteCarried = this.carried.copy()
+
+        bagContainer.items.forEach {
+            items.add(it.copy())
+        }
+
+        if (this.synchronizer != null) {
+            this.synchronizer!!.sendInitialData(this, items, this.remoteCarried, this.remoteDataSlots.toIntArray())
+        }
+    }
+
+    override fun initializeContents(stateId: Int, items: List<ItemStack>, carried: ItemStack) {
+        bagContainer.items.clear()
+        items.forEachIndexed { index, stack ->
+            val adjustedIndex = index + PARTY_SLOTS.first
+            if (adjustedIndex in PARTY_SLOTS.first..HOTBAR_SLOTS.last) {
+                this.slots[adjustedIndex].set(stack)
+            } else {
+                bagContainer.items.add(stack)
+            }
+        }
+
+        this.carried = carried
+        this.stateId = stateId
+        setupSlotsBasedOnContent()
+        calculateCategoriesItemCounts()
+    }
+
+    override fun clicked(slotId: Int, button: Int, clickType: ClickType, player: Player) {
+        if (slotId in BAG_SLOTS) {
+            try {
+                doBagClick(slotId, button, clickType, player)
+            } catch (exception: Exception) {
+                val crashReport = CrashReport.forThrowable(exception, "Container click")
+                val crashReportCategory = crashReport.addCategory("Click info")
+                crashReportCategory.setDetail("Menu Type") {
+                    if (this.menuType != null) BuiltInRegistries.MENU.getKey(this.menuType!!)
+                        .toString() else "<no type>"
+                }
+                crashReportCategory.setDetail("Menu Class") { this.javaClass.getCanonicalName() }
+                crashReportCategory.setDetail("Slot Count", this.slots.size)
+                crashReportCategory.setDetail("Slot", slotId)
+                crashReportCategory.setDetail("Button", button)
+                crashReportCategory.setDetail("Type", clickType)
+                throw ReportedException(crashReport)
+            }
+            return
+        } else if (slotId in PARTY_SLOTS) {
+            onPartySlotClick(slotId, button, clickType, player)
+        }
+        super.clicked(slotId, button, clickType, player)
+    }
+
+    // We handle the bag slots completely differently than normal slots, but a lot of default logic is cut
+    private fun doBagClick(slotId: Int, button: Int, clickType: ClickType, player: Player) {
+        val slot = (getSlot(slotId) as? CobblemonBagSlot) ?: return
+        val slotItem = slot.item
+
+        if (clickType == ClickType.PICKUP && (button == 0 || button == 1)) {
+            val primaryButton = if (button == 0) ClickAction.PRIMARY else ClickAction.SECONDARY
+            val carriedStack = carried
+
+            if (carriedStack.isEmpty) {
+                if (!slotItem.isEmpty) {
+                    val pickupCount = if (primaryButton == ClickAction.PRIMARY) slotItem.count else (slotItem.count + 1) / 2
+
+                    val removedItemStack = slot.remove(pickupCount)
+                    if (!removedItemStack.isEmpty) {
+                        carried = removedItemStack
+                        slot.onTake(player, removedItemStack)
+                        getAndReduceCategoryCount(removedItemStack)
+                    }
+
+                    playSound(CobblemonSounds.ITEM_BAG_ITEM_OUT)
+                    setupSlotsBasedOnContent()
+                }
+            } else {
+                val (categoryId, allowedTransfer) = calculateInsertCount(carriedStack)
+                if (allowedTransfer <= 0) return
+
+                val transferCount = if (primaryButton == ClickAction.PRIMARY) min(carriedStack.count, allowedTransfer) else 1
+
+                bagContainer.items.forEachIndexed { index, slotStack ->
+                    if (ItemStack.isSameItemSameComponents(carriedStack, slotStack) && !tryItemClickBehaviourOverride(player, primaryButton, CobblemonBagSlot(bagContainer, index, 0, 0), slotStack, carriedStack)
+                    ) { // Provide a slot with index equal to the item, as there is not really any 'real' slots
+                        slotStack.grow(transferCount)
+                        carriedStack.shrink(transferCount)
+                        categoryItemCounts[categoryId] += transferCount
+                        playSound(CobblemonSounds.ITEM_BAG_ITEM_IN)
+                        setupSlotsBasedOnContent()
+                        return
+                    }
+                }
+
+                val transferItem = carriedStack.split(transferCount)
+                bagContainer.items.add(transferItem)
+                categoryItemCounts[categoryId] += transferCount
+                playSound(CobblemonSounds.ITEM_BAG_ITEM_IN)
+                setupSlotsBasedOnContent()
+            }
+        } else if (clickType == ClickType.QUICK_MOVE && (button == 0 || button == 1)) {
+            quickMoveStackFromBag(player, slot)
+        } else if (clickType == ClickType.CLONE && player.hasInfiniteMaterials() && carried.isEmpty && !slotItem.isEmpty) {
+            carried = slotItem.copyWithCount(slotItem.maxStackSize)
+        } else if (clickType == ClickType.THROW && carried.isEmpty && !slotItem.isEmpty) {
+            val throwCount = if (button == 0) 1 else min(slotItem.count, slotItem.maxStackSize)
+            val bagSize = bagContainer.items.size
+            val removedItemStack = slot.remove(throwCount)
+            player.drop(removedItemStack, true)
+            playSound(CobblemonSounds.ITEM_BAG_ITEM_OUT)
+            getAndReduceCategoryCount(removedItemStack)
+
+            if (bagSize != bagContainer.items.size) {
+                setupSlotsBasedOnContent()
+            }
+        }
+    }
+
+    //Handle party slot clicked
+    private fun onPartySlotClick(slotId: Int, button: Int, clickType: ClickType, player: Player) {
+        val slotItem = getSlot(slotId).item
+        if (clickType == ClickType.CLONE && player.hasInfiniteMaterials() && carried.isEmpty && !slotItem.isEmpty) {
+            carried = slotItem.copyWithCount(slotItem.maxStackSize)
+        } else if (clickType != ClickType.PICKUP) return
+
+        if (serverParty == null) return // Client does nothing
+
+        if (!carried.isEmpty && (isBlacklisted(carried) || !isWhitelisted(carried))) return //Blacklisted and Whitelisted checks
+
+        val index = slotId - PARTY_SLOTS.first
+        val pokemon = serverParty?.get(index) ?: return
+
+        val heldItem = pokemon.heldItem()
+
+        if (carried.isEmpty || carried.count <= 1) { // Can Swap/Pickup
+            val returned = pokemon.swapHeldItem(carried, aiCanDrop = false)
+            carried = returned
+            broadcastChanges()
+        } else if (heldItem.isEmpty) { // Can Placedown
+            pokemon.swapHeldItem(carried, aiCanDrop = false)
+            broadcastChanges()
+        }
+    }
+
+    //Handled only by server
+    fun useHeldItemOnPokemon(partySlot: Int) {
+        if (carried.isEmpty) return
+
+        val pokemon = serverParty?.get(partySlot) ?: return
+        val item = carried.item as? PokemonSelectingItem ?: return
+        val player = playerInventory.player as? ServerPlayer ?: return
+
+        if (player.isInBattle()) return
+
+        val interaction = item.applyToPokemon(player, carried, pokemon)
+        if (interaction?.result == InteractionResult.SUCCESS) {
+            CobblemonCriteria.POKEMON_INTERACT.trigger(player, PokemonInteractContext(pokemon.species.resourceIdentifier, BuiltInRegistries.ITEM.getKey(carried.item)))
+            broadcastChanges()
+        }
+    }
+
+    private fun isBlacklisted(stack: ItemStack): Boolean =
+        BuiltInRegistries.ITEM.getTagOrEmpty(CobblemonItemTags.BLACKLISTED_ITEMS_TO_HOLD).any()
+                && stack.`is`(CobblemonItemTags.BLACKLISTED_ITEMS_TO_HOLD)
+
+    private fun isWhitelisted(stack: ItemStack): Boolean =
+        BuiltInRegistries.ITEM.getTagOrEmpty(CobblemonItemTags.WHITELISTED_ITEMS_TO_HOLD).none()
+                || stack.`is`(CobblemonItemTags.WHITELISTED_ITEMS_TO_HOLD)
+
+    override fun quickMoveStack(player: Player, index: Int): ItemStack { // This will only be called by base inventory
+        if (index < 0 || index >= slots.size) return ItemStack.EMPTY
+        val slot = slots[index]
+        val itemStack = slot.item
+
+        val (categoryId, allowedTransfer) = calculateInsertCount(itemStack)
+        if (allowedTransfer <= 0) return ItemStack.EMPTY
+
+        val transferCount = min(itemStack.count, allowedTransfer)
+
+        if (slot.hasItem()) {
+            bagContainer.items.forEach { slotStack ->
+                if (ItemStack.isSameItemSameComponents(slotStack, itemStack)) {
+                    slotStack.grow(transferCount)
+                    itemStack.shrink(transferCount)
+                    categoryItemCounts[categoryId] += transferCount
+                    playSound(CobblemonSounds.ITEM_BAG_ITEM_IN)
+                    setupSlotsBasedOnContent()
+                    return ItemStack.EMPTY
+                }
+            }
+
+            bagContainer.items.add(itemStack.split(transferCount))
+            categoryItemCounts[categoryId] += transferCount
+            playSound(CobblemonSounds.ITEM_BAG_ITEM_IN)
+            setupSlotsBasedOnContent()
+        }
+        return ItemStack.EMPTY
+    }
+
+    fun quickMoveStackFromBag(player: Player, slot: CobblemonBagSlot) { //Called by bag items
+        val transferStack = slot.item
+        val startingCount = transferStack.count
+
+        if (moveItemStackTo(transferStack, INVENTORY_SLOTS.first, HOTBAR_SLOTS.last + 1, false)) {
+            val itemsMoved = startingCount - transferStack.count
+            getAndReduceCategoryCount(slot.remove(itemsMoved))
+            playSound(CobblemonSounds.ITEM_BAG_ITEM_OUT)
+            setupSlotsBasedOnContent()
+        }
+    }
+
+    fun calculateInsertCount(stack: ItemStack): Pair<Int, Int> {
+        if (stack.isEmpty) return -1 to 0
+
+        BagCategories.getOrderedCategoriesList().forEachIndexed { index, category ->
+            if (category.itemIsValid(stack)) {
+                val maxAllowed = max(category.maxCount - categoryItemCounts[index], 0)
+                return index to min(stack.count, maxAllowed)
+            }
+        }
+        return -1 to 0
+    }
+
+    fun getAndReduceCategoryCount(stack: ItemStack) {
+        if (stack.isEmpty) return
+
+        BagCategories.getOrderedCategoriesList().forEachIndexed { index, category ->
+            if (category.itemIsValid(stack)) {
+                categoryItemCounts[index] -= stack.count
+                return
+            }
+        }
+    }
+
+    override fun canTakeItemForPickAll(stack: ItemStack, slot: Slot): Boolean {
+        return slot.index !in BAG_SLOTS
+    }
+
+    fun playSound(soundEvent: SoundEvent) {
+        Minecraft.getInstance().soundManager.play(SimpleSoundInstance.forUI(soundEvent, 1.0F))
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/item/bag/CobblemonBagPartySlot.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.item.bag
+
+import com.cobblemon.mod.common.pokemon.Pokemon
+import net.minecraft.world.SimpleContainer
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.inventory.Slot
+import net.minecraft.world.item.ItemStack
+
+class CobblemonBagPartySlot(
+    container: SimpleContainer,
+    index: Int,
+    val activeGetter: () -> Boolean,
+    val itemGetter: () -> ItemStack,
+    x: Int,
+    y: Int
+): Slot(container, index, x, y) {
+    override fun getMaxStackSize(): Int = 1
+
+    override fun mayPlace(stack: ItemStack): Boolean = false
+    override fun mayPickup(player: Player): Boolean = false
+
+    override fun getItem(): ItemStack {
+        return itemGetter.invoke()
+    }
+
+    override fun isActive(): Boolean {
+        return activeGetter.invoke()
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/item/bag/CobblemonBagSlot.kt

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.item.bag
+
+import net.minecraft.world.entity.player.Player
+import net.minecraft.world.inventory.Slot
+import net.minecraft.world.item.ItemStack
+import java.util.Optional
+import kotlin.math.min
+
+class CobblemonBagSlot(
+    container: CobblemonBagContainer,
+    var simulatedSlot: Int, //Cant override base slot variable so it is forever -1
+    x: Int,
+    y: Int
+): Slot(container, 0, x, y) {
+    var slotOverflowValue = 0
+
+    override fun set(stack: ItemStack) {}
+
+    override fun getItem(): ItemStack {
+        if (simulatedSlot == -1) return ItemStack.EMPTY
+        val itemStack = container.getItem(simulatedSlot)
+        val count = min(itemStack.count - itemStack.maxStackSize * slotOverflowValue, itemStack.maxStackSize)
+        return itemStack.copyWithCount(count)
+    }
+
+    override fun remove(amount: Int): ItemStack {
+        if (simulatedSlot == -1) return ItemStack.EMPTY
+        return container.removeItem(simulatedSlot, amount)
+    }
+
+    override fun mayPlace(stack: ItemStack): Boolean = false
+    override fun mayPickup(player: Player): Boolean = false
+}

common/src/main/kotlin/com/cobblemon/mod/common/item/group/CobblemonItemGroups.kt

@@ -945,6 +945,8 @@ object CobblemonItemGroups {
         CobblemonItems.pokeBalls.forEach(entries::accept)
         CobblemonItems.pokeRods.forEach(entries::accept)
         CobblemonItems.pokedexes.forEach(entries::accept)
+        entries.accept(CobblemonItems.TRAINER_PACK)
+        entries.accept(CobblemonItems.TRAINER_BAG)
     }
 
     private fun blocksInjections(injector: Injector) {

common/src/main/kotlin/com/cobblemon/mod/common/item/interactive/PonigiriItem.kt

@@ -9,6 +9,7 @@
 package com.cobblemon.mod.common.item.interactive
 
 import com.cobblemon.mod.common.CobblemonItemComponents
+import com.cobblemon.mod.common.item.components.FoodComponent
 import net.minecraft.network.chat.Component
 import net.minecraft.sounds.SoundEvent
 import net.minecraft.sounds.SoundEvents
@@ -23,10 +24,15 @@ import net.minecraft.world.level.Level
 class PonigiriItem : Item(
         Properties().stacksTo(64)
                 .food(FoodProperties.Builder()
-                        .nutrition(2)
-                        .saturationModifier(0.55f)
+                        .nutrition(NUTRITION)
+                        .saturationModifier(SATURATION_MODIFIER)
                         .build())
 ) {
+    companion object {
+        const val NUTRITION = 2
+        const val SATURATION_MODIFIER = 0.55f
+    }
+
     override fun getName(stack: ItemStack): Component {
 
         val ingredients = stack.get(CobblemonItemComponents.INGREDIENT)
@@ -59,4 +65,9 @@ class PonigiriItem : Item(
     override fun getEatingSound(): SoundEvent {
         return SoundEvents.GENERIC_EAT
     }
-}
+
+    fun getFoodValues(stack: ItemStack): Pair<Int, Float> {
+        val (hunger, saturation) = stack.getOrDefault(CobblemonItemComponents.FOOD, FoodComponent(NUTRITION, SATURATION_MODIFIER))
+        return hunger to saturation
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/net/messages/client/bag/UpdateBagMenuDataPacket.kt

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.net.messages.client.bag
+
+import com.cobblemon.mod.common.api.net.NetworkPacket
+import com.cobblemon.mod.common.util.cobblemonResource
+import net.minecraft.network.RegistryFriendlyByteBuf
+
+class UpdateBagMenuDataPacket(val categoryId: Int, val scroll: Int): NetworkPacket<UpdateBagMenuDataPacket> {
+    companion object {
+        val ID = cobblemonResource("update_bag_menu_data")
+        fun decode(buffer: RegistryFriendlyByteBuf): UpdateBagMenuDataPacket {
+            return UpdateBagMenuDataPacket(buffer.readInt(), buffer.readInt())
+        }
+    }
+
+    override val id = ID
+    override fun encode(buffer: RegistryFriendlyByteBuf) {
+        buffer.writeInt(categoryId)
+        buffer.writeInt(scroll)
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/net/messages/client/bag/UseItemOnPokemonFromBagPacket.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.net.messages.client.bag
+
+import com.cobblemon.mod.common.api.net.NetworkPacket
+import com.cobblemon.mod.common.util.cobblemonResource
+import net.minecraft.network.RegistryFriendlyByteBuf
+
+class UseItemOnPokemonFromBagPacket(val partySlot: Int): NetworkPacket<UseItemOnPokemonFromBagPacket> {
+    companion object {
+        val ID = cobblemonResource("use_item_on_pokemon_from_bag")
+        fun decode(buffer: RegistryFriendlyByteBuf): UseItemOnPokemonFromBagPacket {
+            return UseItemOnPokemonFromBagPacket(buffer.readInt())
+        }
+    }
+    override val id = ID
+    override fun encode(buffer: RegistryFriendlyByteBuf) {
+        buffer.writeInt(partySlot)
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/net/messages/client/data/BagCategoriesSyncPacket.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2023 Cobblemon Contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+package com.cobblemon.mod.common.net.messages.client.data
+
+import com.cobblemon.mod.common.api.bag.BagCategories
+import com.cobblemon.mod.common.api.bag.BagCategory
+import com.cobblemon.mod.common.util.cobblemonResource
+import net.minecraft.network.RegistryFriendlyByteBuf
+
+class BagCategoriesSyncPacket(categories: List<BagCategory>): DataRegistrySyncPacket<BagCategory, BagCategoriesSyncPacket>(categories) {
+    companion object {
+        val ID = cobblemonResource("bag_categories")
+        fun decode(buffer: RegistryFriendlyByteBuf) = BagCategoriesSyncPacket(emptyList()).apply { decodeBuffer(buffer) }
+    }
+
+    override val id = ID
+    override fun encodeEntry(buffer: RegistryFriendlyByteBuf, entry: BagCategory) {
+        entry.encode(buffer)
+    }
+
+    override fun decodeEntry(buffer: RegistryFriendlyByteBuf): BagCategory = BagCategory.decode(buffer)
+
+    override fun synchronizeDecoded(entries: Collection<BagCategory>) {
+        BagCategories.reload(entries.associateBy { it.identifier })
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/net/messages/client/trade/TradeCompletedPacket.kt

@@ -23,16 +23,19 @@ import java.util.UUID
  * @author Hiroku
  * @since March 5th, 2023
  */
-class TradeCompletedPacket(val pokemonId1: UUID, val pokemonId2: UUID) : NetworkPacket<TradeCompletedPacket> {
+class TradeCompletedPacket(val pokemonIds1: List<UUID>, val pokemonIds2: List<UUID>) : NetworkPacket<TradeCompletedPacket> {
     companion object {
         val ID = cobblemonResource("trade_completed")
-        fun decode(buffer: RegistryFriendlyByteBuf) = TradeCompletedPacket(buffer.readUUID(), buffer.readUUID())
+        fun decode(buffer: RegistryFriendlyByteBuf) = TradeCompletedPacket(
+            buffer.readList { it.readUUID() },
+            buffer.readList { it.readUUID() }
+        )
     }
 
     override val id = ID
 
     override fun encode(buffer: RegistryFriendlyByteBuf) {
-        buffer.writeUUID(pokemonId1)
-        buffer.writeUUID(pokemonId2)
+        buffer.writeCollection(pokemonIds1) { buf, id -> buf.writeUUID(id) }
+        buffer.writeCollection(pokemonIds2) { buf, id -> buf.writeUUID(id) }
     }
 }

common/src/main/kotlin/com/cobblemon/mod/common/net/messages/client/trade/TradeUpdatedPacket.kt

@@ -12,10 +12,6 @@ import com.cobblemon.mod.common.api.net.NetworkPacket
 import com.cobblemon.mod.common.api.net.UnsplittablePacket
 import com.cobblemon.mod.common.pokemon.Pokemon
 import com.cobblemon.mod.common.util.cobblemonResource
-import com.cobblemon.mod.common.util.readNullable
-import com.cobblemon.mod.common.util.readUUID
-import com.cobblemon.mod.common.util.writeNullable
-import com.cobblemon.mod.common.util.writeUUID
 import net.minecraft.network.RegistryFriendlyByteBuf
 import java.util.UUID
 
@@ -27,15 +23,18 @@ import java.util.UUID
  * @author Hiroku
  * @since March 5th, 2023
  */
-class TradeUpdatedPacket(val playerId: UUID, val pokemon: Pokemon?) : NetworkPacket<TradeUpdatedPacket>, UnsplittablePacket {
+class TradeUpdatedPacket(val playerId: UUID, val pokemons: List<Pokemon>) : NetworkPacket<TradeUpdatedPacket>, UnsplittablePacket {
     companion object {
         val ID = cobblemonResource("trade_updated")
-        fun decode(buffer: RegistryFriendlyByteBuf) = TradeUpdatedPacket(buffer.readUUID(), buffer.readNullable { Pokemon.S2C_CODEC.decode(buffer) })
+        fun decode(buffer: RegistryFriendlyByteBuf) = TradeUpdatedPacket(
+            buffer.readUUID(),
+            buffer.readList { Pokemon.S2C_CODEC.decode(it as RegistryFriendlyByteBuf) }
+        )
     }
 
     override val id = ID
     override fun encode(buffer: RegistryFriendlyByteBuf) {
         buffer.writeUUID(playerId)
-        buffer.writeNullable(pokemon) { _, pokemon -> Pokemon.S2C_CODEC.encode(buffer, pokemon) }
+        buffer.writeCollection(pokemons) { buf, pokemon -> Pokemon.S2C_CODEC.encode(buf as RegistryFriendlyByteBuf, pokemon) }
     }
 }

common/src/main/kotlin/com/cobblemon/mod/common/net/messages/server/trade/UpdateTradeOfferPacket.kt

@@ -11,26 +11,30 @@ package com.cobblemon.mod.common.net.messages.server.trade
 import com.cobblemon.mod.common.api.net.NetworkPacket
 import com.cobblemon.mod.common.api.storage.party.PartyPosition
 import com.cobblemon.mod.common.util.cobblemonResource
+import com.cobblemon.mod.common.util.readList
 import com.cobblemon.mod.common.util.readNullable
 import com.cobblemon.mod.common.util.readPartyPosition
 import com.cobblemon.mod.common.util.readUUID
+import com.cobblemon.mod.common.util.writeCollection
 import com.cobblemon.mod.common.util.writeNullable
 import com.cobblemon.mod.common.util.writePartyPosition
 import com.cobblemon.mod.common.util.writeUUID
 import net.minecraft.network.RegistryFriendlyByteBuf
 import java.util.UUID
 
-class UpdateTradeOfferPacket(val newOffer: Pair<UUID, PartyPosition>?): NetworkPacket<UpdateTradeOfferPacket> {
+class UpdateTradeOfferPacket(val newOffers: List<Pair<UUID, PartyPosition>>): NetworkPacket<UpdateTradeOfferPacket> {
     companion object {
         val ID = cobblemonResource("update_trade_offer")
-        fun decode(buffer: RegistryFriendlyByteBuf) = UpdateTradeOfferPacket(buffer.readNullable { buffer.readUUID() to buffer.readPartyPosition() })
+        fun decode(buffer: RegistryFriendlyByteBuf) = UpdateTradeOfferPacket(
+            buffer.readList { it.readUUID() to it.readPartyPosition() }
+        )
     }
 
     override val id = ID
     override fun encode(buffer: RegistryFriendlyByteBuf) {
-        buffer.writeNullable(newOffer) { buffer, (pokemonId, partyPosition) ->
-            buffer.writeUUID(pokemonId)
-            buffer.writePartyPosition(partyPosition)
+        buffer.writeCollection(newOffers) { buf, (pokemonId, partyPosition) ->
+            buf.writeUUID(pokemonId)
+            buf.writePartyPosition(partyPosition)
         }
     }
 }

common/src/main/kotlin/com/cobblemon/mod/common/net/serverhandling/trade/ChangeTradeAcceptanceHandler.kt

@@ -20,7 +20,7 @@ object ChangeTradeAcceptanceHandler : ServerNetworkPacketHandler<ChangeTradeAcce
     override fun handle(packet: ChangeTradeAcceptancePacket, server: MinecraftServer, player: ServerPlayer) {
         val trade = TradeManager.getActiveTrade(player.uuid) ?: return player.sendPacket(TradeCancelledPacket())
         val tradeParticipant = trade.getTradeParticipant(player.uuid)
-        if (trade.getOpposingOffer(tradeParticipant).pokemon?.uuid == packet.pokemonOfferId) {
+        if (trade.getOpposingOffer(tradeParticipant).pokemon.any { it.uuid == packet.pokemonOfferId }) {
             trade.updateAcceptance(tradeParticipant, packet.newAcceptance)
         }
     }

common/src/main/kotlin/com/cobblemon/mod/common/net/serverhandling/trade/PerformTradeHandler.kt

@@ -20,7 +20,7 @@ object PerformTradeHandler : ServerNetworkPacketHandler<PerformTradePacket> {
     override fun handle(packet: PerformTradePacket, server: MinecraftServer, player: ServerPlayer) {
         val trade = TradeManager.getActiveTrade(player.uuid) ?: return player.sendPacket(TradeCancelledPacket())
         val tradeParticipant = trade.getTradeParticipant(player.uuid)
-        if (trade.getOpposingOffer(tradeParticipant).pokemon?.uuid == packet.pokemonOfferId) {
+        if (trade.getOpposingOffer(tradeParticipant).pokemon.any { it.uuid == packet.pokemonOfferId }) {
             trade.performTrade(tradeParticipant)
         }
     }

common/src/main/kotlin/com/cobblemon/mod/common/net/serverhandling/trade/UpdateTradeOfferHandler.kt

@@ -12,6 +12,7 @@ import com.cobblemon.mod.common.CobblemonNetwork.sendPacket
 import com.cobblemon.mod.common.api.net.ServerNetworkPacketHandler
 import com.cobblemon.mod.common.net.messages.server.trade.CancelTradePacket
 import com.cobblemon.mod.common.net.messages.server.trade.UpdateTradeOfferPacket
+import com.cobblemon.mod.common.pokemon.Pokemon
 import com.cobblemon.mod.common.trade.TradeManager
 import com.cobblemon.mod.common.util.party
 import net.minecraft.server.MinecraftServer
@@ -21,20 +22,16 @@ object UpdateTradeOfferHandler : ServerNetworkPacketHandler<UpdateTradeOfferPack
     override fun handle(packet: UpdateTradeOfferPacket, server: MinecraftServer, player: ServerPlayer) {
         val trade = TradeManager.getActiveTrade(player.uuid) ?: return player.sendPacket(CancelTradePacket())
         val tradeParticipant = trade.getTradeParticipant(player.uuid)
-        val newOffer = packet.newOffer
-        if (newOffer == null) {
-            trade.updateOffer(tradeParticipant, null)
-        } else {
-            val (pokemonId, partyPosition) = newOffer
-            val party = player.party()
+        val newOffers = packet.newOffers
+
+        val validPokemons = mutableListOf<Pokemon>()
+        val party = player.party()
+        for ((pokemonId, partyPosition) in newOffers) {
             val pokemon = party[partyPosition]
-            if (pokemon == null || pokemon.uuid != pokemonId) {
-                return
-            } else if (!pokemon.tradeable) {
-                return
-            } else {
-                trade.updateOffer(tradeParticipant, pokemon)
+            if (pokemon != null && pokemon.uuid == pokemonId && pokemon.tradeable) {
+                validPokemons.add(pokemon)
             }
         }
+        trade.updateOffer(tradeParticipant, validPokemons)
     }
 }

common/src/main/kotlin/com/cobblemon/mod/common/pokemon/Species.kt

@@ -173,6 +173,7 @@ class Species : ShowdownIdentifiable {
         .addStandardFunctions()
         .addSpeciesFunctions(this)
 
+    var silenceStepSounds = false
 
     fun initialize() {
         Cobblemon.statProvider.provide(this)
@@ -256,6 +257,7 @@ class Species : ShowdownIdentifiable {
         }
 
         this.riding.encode(buffer)
+        buffer.writeBoolean(this.silenceStepSounds)
     }
 
     fun decode(buffer: RegistryFriendlyByteBuf) {
@@ -299,6 +301,7 @@ class Species : ShowdownIdentifiable {
             }
         }
         this.riding = RidingProperties.decode(buffer)
+        this.silenceStepSounds = buffer.readBoolean()
         this.initialize()
     }
 

common/src/main/kotlin/com/cobblemon/mod/common/trade/ActiveTrade.kt

@@ -19,7 +19,7 @@ class ActiveTrade(val player1: TradeParticipant, val player2: TradeParticipant)
     fun getOffer(tradeParticipant: TradeParticipant) = if (tradeParticipant == player1) player1Offer else player2Offer
     fun getOpposingOffer(tradeParticipant: TradeParticipant) = if (tradeParticipant == player1) player2Offer else player1Offer
 
-    fun updateOffer(tradeParticipant: TradeParticipant, pokemon: Pokemon?) {
+    fun updateOffer(tradeParticipant: TradeParticipant, pokemon: List<Pokemon>) {
         getOffer(tradeParticipant).updateOffer(pokemon)
         getOffer(getOppositePlayer(tradeParticipant)).accepted = false
         player1.updateOffer(this, tradeParticipant, pokemon)
@@ -30,8 +30,9 @@ class ActiveTrade(val player1: TradeParticipant, val player2: TradeParticipant)
         val offer = getOpposingOffer(tradeParticipant)
         if (offer.accepted != acceptance) {
             offer.accepted = acceptance
-            getOppositePlayer(tradeParticipant).changeTradeAcceptance(this, offer.pokemon!!.uuid, acceptance)
-            tradeParticipant.changeTradeAcceptance(this, offer.pokemon!!.uuid, acceptance)
+            val firstId = offer.pokemon.firstOrNull()?.uuid ?: java.util.UUID.randomUUID()
+            getOppositePlayer(tradeParticipant).changeTradeAcceptance(this, firstId, acceptance)
+            tradeParticipant.changeTradeAcceptance(this, firstId, acceptance)
         }
 
         if (offer.accepted && getOffer(tradeParticipant).accepted) {
@@ -51,8 +52,8 @@ class ActiveTrade(val player1: TradeParticipant, val player2: TradeParticipant)
                 activeTrade = this,
                 player1 = player1,
                 player2 = player2,
-                pokemon1 = player1Offer.pokemon!!,
-                pokemon2 = player2Offer.pokemon!!
+                pokemon1 = player1Offer.pokemon,
+                pokemon2 = player2Offer.pokemon
             )
         }
     }
@@ -64,12 +65,14 @@ class ActiveTrade(val player1: TradeParticipant, val player2: TradeParticipant)
     }
 
     fun completeTrade() {
-        player1.completeTrade(this, player1Offer.pokemon!!.uuid, player2Offer.pokemon!!.uuid)
-        player2.completeTrade(this, player2Offer.pokemon!!.uuid, player1Offer.pokemon!!.uuid)
+        val uuids1 = player1Offer.pokemon.map { it.uuid }
+        val uuids2 = player2Offer.pokemon.map { it.uuid }
+        player1.completeTrade(this, uuids1, uuids2)
+        player2.completeTrade(this, uuids2, uuids1)
 
-        player1Offer.pokemon = null
+        player1Offer.pokemon = emptyList()
         player1Offer.accepted = false
-        player2Offer.pokemon = null
+        player2Offer.pokemon = emptyList()
         player2Offer.accepted = false
     }
 }

common/src/main/kotlin/com/cobblemon/mod/common/trade/TradeManager.kt

@@ -14,6 +14,7 @@ import com.cobblemon.mod.common.api.events.CobblemonEvents
 import com.cobblemon.mod.common.api.events.pokemon.TradeEvent
 import com.cobblemon.mod.common.api.interaction.ServerPlayerActionRequest
 import com.cobblemon.mod.common.api.net.NetworkPacket
+import com.cobblemon.mod.common.api.storage.party.PartyStore
 import com.cobblemon.mod.common.api.text.aqua
 import com.cobblemon.mod.common.net.messages.client.trade.TradeOfferExpiredPacket
 import com.cobblemon.mod.common.net.messages.client.trade.TradeOfferNotificationPacket
@@ -101,71 +102,98 @@ object TradeManager : RequestManager<TradeManager.TradeRequest>() {
     fun performTrade(
         activeTrade: ActiveTrade,
         player1: TradeParticipant,
-        pokemon1: Pokemon,
+        pokemon1: List<Pokemon>,
         player2: TradeParticipant,
-        pokemon2: Pokemon
+        pokemon2: List<Pokemon>
     ) {
         val party1 = player1.party
         val party2 = player2.party
 
-        if (pokemon1 !in party1 || pokemon2 !in party2) {
+        if (pokemon1.any { it !in party1 } || pokemon2.any { it !in party2 }) {
             Cobblemon.LOGGER.warn("Attempted to perform a trade with Pokémon that aren't in the party anymore. Could be attempted duping between ${player1.name} and ${player2.name}")
             activeTrade.cancelTrade()
             return
         }
 
-        CobblemonEvents.TRADE_EVENT_PRE.postThen(TradeEvent.Pre(player1, pokemon2, player2, pokemon1)) {
-            val party1 = player1.party
-            val party2 = player2.party
+        if (pokemon1.isEmpty() || pokemon2.isEmpty()) {
+            Cobblemon.LOGGER.warn("Attempted to perform a trade where one side offered no Pokémon between ${player1.name} and ${player2.name}. This should never happen.")
+            activeTrade.cancelTrade()
+            return
+        }
 
-            val player1Removed = party1.remove(pokemon1)
-            val player2Removed = party2.remove(pokemon2)
+        CobblemonEvents.TRADE_EVENT_PRE.postThen(
+            TradeEvent.Pre(player1, pokemon2, player2, pokemon1)
+        ) {
+            val player1Removed = pokemon1.filter { party1.remove(it) }
+            val player2Removed = pokemon2.filter { party2.remove(it) }
 
-            if (!player1Removed || !player2Removed) {
-                if (!player1Removed) {
-                    Cobblemon.LOGGER.warn("Failed to remove traded Pokémon ${pokemon1.species.resourceIdentifier} from ${player1.name.string}(${player1.uuid}). Aborting trade with ${player2.name.string}(${player2.uuid}), potential exploit abused.")
+            if (player1Removed.size != pokemon1.size || player2Removed.size != pokemon2.size) {
+                (pokemon1 - player1Removed.toSet()).forEach {
+                    Cobblemon.LOGGER.warn("Failed to remove traded Pokémon ${it.species.resourceIdentifier} from ${player1.name.string}(${player1.uuid}). Aborting trade with ${player2.name.string}(${player2.uuid}), potential exploit abused.")
                 }
 
-                if (!player2Removed) {
-                    Cobblemon.LOGGER.warn("Failed to remove traded Pokémon ${pokemon2.species.resourceIdentifier} from ${player2.name.string}(${player2.uuid}). Aborting trade with ${player1.name.string}(${player1.uuid}), potential exploit abused.")
+                (pokemon2 - player2Removed.toSet()).forEach {
+                    Cobblemon.LOGGER.warn("Failed to remove traded Pokémon ${it.species.resourceIdentifier} from ${player2.name.string}(${player2.uuid}). Aborting trade with ${player1.name.string}(${player1.uuid}), potential exploit abused.")
                 }
 
                 // Revert any changes if one of the removals failed
-                if (player1Removed) party1.add(pokemon1)
-                if (player2Removed) party2.add(pokemon2)
+                player1Removed.forEach { party1.add(it) }
+                player2Removed.forEach { party2.add(it) }
                 return@postThen
             }
 
             // If player1 is the OT, keep track of the friendship
-            pokemon1.cacheFriendship(player1.uuid)
+            pokemon1.forEach { it.cacheFriendship(player1.uuid) }
             // If player2 is the OT, keep track of the friendship
-            pokemon2.cacheFriendship(player2.uuid)
+            pokemon2.forEach { it.cacheFriendship(player2.uuid) }
 
-            // If pokemon2 was originally player1's, set the friendship back to what it was at point of trading
-            if ( !pokemon2.restoreFriendship(player1.uuid) ) {
-                // Otherwise, reset the friendship
-                pokemon2.setFriendship(pokemon2.form.baseFriendship)
+            // If a Pokémon received by player1 was originally theirs, set the friendship back to what it was at point of trading
+            pokemon2.forEach {
+                if (!it.restoreFriendship(player1.uuid)) {
+                    // Otherwise, reset the friendship
+                    it.setFriendship(it.form.baseFriendship)
+                }
             }
-            // If pokemon1 was originally player2's, set the friendship back to what it was at point of trading
-            if ( !pokemon1.restoreFriendship(player2.uuid) ) {
-                // Otherwise, reset the friendship
-                pokemon1.setFriendship(pokemon1.form.baseFriendship)
+            // If a Pokémon received by player2 was originally theirs, set the friendship back to what it was at point of trading
+            pokemon1.forEach {
+                if (!it.restoreFriendship(player2.uuid)) {
+                    // Otherwise, reset the friendship
+                    it.setFriendship(it.form.baseFriendship)
+                }
             }
 
-            party2.add(pokemon1)
-            party1.add(pokemon2)
+            pokemon1.forEach { party2.add(it) }
+            pokemon2.forEach { party1.add(it) }
 
-            pokemon1.lockedEvolutions.filterIsInstance<TradeEvolution>().firstOrNull {
-                it.attemptEvolution(pokemon1, pokemon2)
-            }
+            // Each traded Pokémon may evolve if any of the Pokémon it was traded for satisfies its context.
+            // Evolutions are resolved before any are applied so one evolving can't invalidate another's context.
+            (pokemon1.map { it to pokemon2 } + pokemon2.map { it to pokemon1 })
+                .mapNotNull { (pokemon, tradedFor) ->
+                    pokemon.lockedEvolutions.filterIsInstance<TradeEvolution>()
+                        .firstOrNull { evolution -> tradedFor.any { evolution.testContext(pokemon, it) } && evolution.test(pokemon) }
+                        ?.let { pokemon to it }
+                }
+                .forEach { (pokemon, evolution) -> evolution.evolve(pokemon) }
 
-            pokemon2.lockedEvolutions.filterIsInstance<TradeEvolution>().firstOrNull {
-                it.attemptEvolution(pokemon2, pokemon1)
+            val compactParty = { party: PartyStore ->
+                var writeIdx = 0
+                for (readIdx in 0 until party.size()) {
+                    if (party.get(readIdx) != null) {
+                        if (readIdx != writeIdx) {
+                            party.swap(readIdx, writeIdx)
+                        }
+                        writeIdx++
+                    }
+                }
             }
+            compactParty(party1)
+            compactParty(party2)
 
             activeTrade.completeTrade()
 
-            CobblemonEvents.TRADE_EVENT_POST.post(TradeEvent.Post(player1, pokemon2, player2, pokemon1))
+            CobblemonEvents.TRADE_EVENT_POST.post(
+                TradeEvent.Post(player1, pokemon2, player2, pokemon1)
+            )
         }
     }
 }

common/src/main/kotlin/com/cobblemon/mod/common/trade/TradeOffer.kt

@@ -11,10 +11,10 @@ package com.cobblemon.mod.common.trade
 import com.cobblemon.mod.common.pokemon.Pokemon
 
 class TradeOffer {
-    var pokemon: Pokemon? = null
+    var pokemon: List<Pokemon> = emptyList()
     var accepted = false
 
-    fun updateOffer(pokemon: Pokemon?) {
+    fun updateOffer(pokemon: List<Pokemon>) {
         this.pokemon = pokemon
         accepted = false
     }

common/src/main/kotlin/com/cobblemon/mod/common/trade/TradeParticipant.kt

@@ -34,7 +34,7 @@ interface TradeParticipant {
      *
      * If it's null, it means they're no longer offering a Pokémon (so they're redeciding).
      */
-    fun updateOffer(trade: ActiveTrade, tradeParticipant: TradeParticipant, pokemon: Pokemon?)
+    fun updateOffer(trade: ActiveTrade, tradeParticipant: TradeParticipant, pokemon: List<Pokemon>)
 
     /**
      * Notifies the participant that the acceptance state for trading with the opponent [Pokemon] with UUID [pokemonId]
@@ -59,7 +59,7 @@ interface TradeParticipant {
     fun cancelTrade(trade: ActiveTrade)
 
     /** Notifies the participant that the trade has been completed. The actual Pokémon have already been exchanged. */
-    fun completeTrade(trade: ActiveTrade, pokemonId1: UUID, pokemonId2: UUID)
+    fun completeTrade(trade: ActiveTrade, pokemonIds1: List<UUID>, pokemonIds2: List<UUID>)
 }
 
 /**
@@ -73,7 +73,7 @@ class PlayerTradeParticipant(val player: ServerPlayer): TradeParticipant {
     override val uuid = player.uuid
     override val party = player.party()
 
-    override fun updateOffer(trade: ActiveTrade, tradeParticipant: TradeParticipant, pokemon: Pokemon?) {
+    override fun updateOffer(trade: ActiveTrade, tradeParticipant: TradeParticipant, pokemon: List<Pokemon>) {
         player.sendPacket(TradeUpdatedPacket(tradeParticipant.uuid, pokemon))
     }
 
@@ -89,8 +89,8 @@ class PlayerTradeParticipant(val player: ServerPlayer): TradeParticipant {
         player.sendPacket(TradeCancelledPacket())
     }
 
-    override fun completeTrade(trade: ActiveTrade, pokemonId1: UUID, pokemonId2: UUID) {
-        player.sendPacket(TradeCompletedPacket(pokemonId1, pokemonId2))
+    override fun completeTrade(trade: ActiveTrade, pokemonIds1: List<UUID>, pokemonIds2: List<UUID>) {
+        player.sendPacket(TradeCompletedPacket(pokemonIds1, pokemonIds2))
     }
 }
 
@@ -109,7 +109,7 @@ class DummyTradeParticipant(val pokemonList: MutableList<Pokemon>) : TradePartic
         // Don't need to do any notifying.
     }
 
-    override fun completeTrade(trade: ActiveTrade, pokemonId1: UUID, pokemonId2: UUID) {
+    override fun completeTrade(trade: ActiveTrade, pokemonIds1: List<UUID>, pokemonIds2: List<UUID>) {
         // Don't need to do any notifying.
     }
 
@@ -121,7 +121,7 @@ class DummyTradeParticipant(val pokemonList: MutableList<Pokemon>) : TradePartic
         // React, maybe. Change code and hotswap.
     }
 
-    override fun updateOffer(trade: ActiveTrade, tradeParticipant: TradeParticipant, pokemon: Pokemon?) {
+    override fun updateOffer(trade: ActiveTrade, tradeParticipant: TradeParticipant, pokemon: List<Pokemon>) {
         // React, maybe. Change code and hotswap.
     }
 }

common/src/main/kotlin/com/cobblemon/mod/common/util/EntityExtensions.kt

@@ -234,11 +234,11 @@ fun Entity.isDusk(): Boolean {
 }
 
 fun Entity.isStandingOn(blocks: Set<String>, depth: Int = 2): Boolean {
-    for (currentDepth in 1..depth) {
-        val bellowBlockPos = blockPosition().below(currentDepth)
+    for (currentDepth in 0..depth) {
+        val bellowBlockPos = blockPosBelowThatAffectsMyMovement.below(currentDepth)
         val blockState = level().getBlockState(bellowBlockPos)
 
-        if (blockState.isAir || !blockState.isCollisionShapeFullBlock(level(), bellowBlockPos)) continue
+        if (blockState.isAir) continue
 
         val elementOrTags = ExtraCodecs.TAG_OR_ELEMENT_ID.listOf().decode(JavaOps.INSTANCE, blocks.toList()).result().get().first
         elementOrTags.forEach {

common/src/main/kotlin/com/cobblemon/mod/common/world/gamerules/CobblemonGameRules.kt

@@ -27,5 +27,9 @@ object CobblemonGameRules {
     @JvmField
     val HEALERS_HEAL_PC: GameRules.Key<GameRules.BooleanValue> = Cobblemon.implementation.registerGameRule("healersHealPC", GameRules.Category.MISC, BooleanRuleInvoker.`cobblemon$create`(false))
     @JvmField
+    val HEALER_SET_SPAWN: GameRules.Key<GameRules.BooleanValue> = Cobblemon.implementation.registerGameRule("healersSetSpawn", GameRules.Category.MISC, BooleanRuleInvoker.`cobblemon$create`(false))
+    @JvmField
     val DO_POKEMON_PREDATION: GameRules.Key<GameRules.BooleanValue> = Cobblemon.implementation.registerGameRule("doPokemonPredation", GameRules.Category.MOBS, BooleanRuleInvoker.`cobblemon$create`(true))
+    @JvmField
+    val BAG_DROP_ITEMS: GameRules.Key<GameRules.BooleanValue> = Cobblemon.implementation.registerGameRule("bagDropItems", GameRules.Category.PLAYER, BooleanRuleInvoker.`cobblemon$create`(false))
 }

common/src/main/resources/assets/cobblemon/bedrock/pokemon/animations/0018_pidgeot/pidgeot.animation.json

@@ -1815,6 +1815,12 @@
 				"wings_open": {
 					"scale": 0
 				}
+			},
+			"timeline": {
+				"0.0": "q.run_molang('cobblemon:stepsound_claw_medium');",
+				"0.5": "q.run_molang('cobblemon:stepsound_claw_medium');",
+				"1.0": "q.run_molang('cobblemon:stepsound_claw_medium');",
+				"1.5": "q.run_molang('cobblemon:stepsound_claw_medium');"
 			}
 		},
 		"animation.pidgeot.mount_ground_idle": {
@@ -3631,6 +3637,12 @@
 				"wings_open": {
 					"scale": 0
 				}
+			},
+			"timeline": {
+				"0.0": "q.run_molang('cobblemon:stepsound_claw_medium');",
+				"0.5": "q.run_molang('cobblemon:stepsound_claw_medium');",
+				"1.0": "q.run_molang('cobblemon:stepsound_claw_medium');",
+				"1.5": "q.run_molang('cobblemon:stepsound_claw_medium');"
 			}
 		},
 		"animation.pidgeot.ride_ground_walk": {

common/src/main/resources/assets/cobblemon/bedrock/pokemon/animations/0059_arcanine/arcanine.animation.json

@@ -1682,6 +1682,12 @@
 						"1.3333": [10, 9, 0]
 					}
 				}
+			},
+			"timeline": {
+				"0.0": "q.run_molang('cobblemon:stepsound_standard_medium');",
+				"0.4583": "q.run_molang('cobblemon:stepsound_standard_medium');",
+				"0.6667": "q.run_molang('cobblemon:stepsound_standard_medium');",
+				"1.125": "q.run_molang('cobblemon:stepsound_standard_medium');"
 			}
 		},
 		"animation.arcanine.ride_ground_walk": {
@@ -2639,6 +2645,12 @@
 				"chest_fluff_right": {
 					"rotation": [5, "-22.5+math.cos(q.anim_time*90*8-120)*15", "-math.sin(q.anim_time*90*8-120)*3"]
 				}
+			},
+			"timeline": {
+				"0.125": "q.run_molang('cobblemon:stepsound_standard_medium');",
+				"0.2083": "q.run_molang('cobblemon:stepsound_standard_large');",
+				"0.2917": "q.run_molang('cobblemon:stepsound_standard_medium');",
+				"0.375": "q.run_molang('cobblemon:stepsound_standard_medium');"
 			}
 		},
 		"animation.arcanine.ride_ground_run": {
@@ -4161,41 +4173,101 @@
 				"eye_left": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.1667": {"pre": [0, 0, 0], "post": [-0.1, 0, 0.1]},
-						"0.5": {"pre": [-0.1, 0, 0.1], "post": [0, 0, 0]},
-						"1.4167": {"pre": [0, 0, 0], "post": [-0.1, 0, 0.1]},
-						"1.6667": {"pre": [-0.1, 0, 0.1], "post": [0, 0, 0]},
-						"2.5": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.1667": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, 0.1]
+						},
+						"0.5": {
+							"pre": [-0.1, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.4167": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, 0.1]
+						},
+						"1.6667": {
+							"pre": [-0.1, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"2.5": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eye_right": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.1667": {"pre": [0, 0, 0], "post": [0.1, 0, 0.1]},
-						"0.5": {"pre": [0.1, 0, 0.1], "post": [0, 0, 0]},
-						"1.4167": {"pre": [0, 0, 0], "post": [0.1, 0, 0.1]},
-						"1.6667": {"pre": [0.1, 0, 0.1], "post": [0, 0, 0]},
-						"2.5": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.1667": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, 0.1]
+						},
+						"0.5": {
+							"pre": [0.1, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.4167": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, 0.1]
+						},
+						"1.6667": {
+							"pre": [0.1, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"2.5": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_left": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.1667": {"pre": [0, 0, 0], "post": [0.1, 0, -0.1]},
-						"0.5": {"pre": [0.1, 0, -0.1], "post": [0, 0, 0]},
-						"1.4167": {"pre": [0, 0, 0], "post": [0.1, 0, -0.1]},
-						"1.6667": {"pre": [0.1, 0, -0.1], "post": [0, 0, 0]},
-						"2.5": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.1667": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, -0.1]
+						},
+						"0.5": {
+							"pre": [0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						},
+						"1.4167": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, -0.1]
+						},
+						"1.6667": {
+							"pre": [0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						},
+						"2.5": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_right": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.1667": {"pre": [0, 0, 0], "post": [-0.1, 0, -0.1]},
-						"0.5": {"pre": [-0.1, 0, -0.1], "post": [0, 0, 0]},
-						"1.4167": {"pre": [0, 0, 0], "post": [-0.1, 0, -0.1]},
-						"1.6667": {"pre": [-0.1, 0, -0.1], "post": [0, 0, 0]},
-						"2.5": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.1667": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, -0.1]
+						},
+						"0.5": {
+							"pre": [-0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						},
+						"1.4167": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, -0.1]
+						},
+						"1.6667": {
+							"pre": [-0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						},
+						"2.5": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"jaw": {
@@ -4823,41 +4895,101 @@
 				"eye_left": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.1667": {"pre": [0, 0, 0], "post": [-0.1, 0, 0.1]},
-						"0.5": {"pre": [-0.1, 0, 0.1], "post": [0, 0, 0]},
-						"1.4167": {"pre": [0, 0, 0], "post": [-0.1, 0, 0.1]},
-						"1.6667": {"pre": [-0.1, 0, 0.1], "post": [0, 0, 0]},
-						"2.5": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.1667": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, 0.1]
+						},
+						"0.5": {
+							"pre": [-0.1, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.4167": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, 0.1]
+						},
+						"1.6667": {
+							"pre": [-0.1, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"2.5": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eye_right": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.1667": {"pre": [0, 0, 0], "post": [0.1, 0, 0.1]},
-						"0.5": {"pre": [0.1, 0, 0.1], "post": [0, 0, 0]},
-						"1.4167": {"pre": [0, 0, 0], "post": [0.1, 0, 0.1]},
-						"1.6667": {"pre": [0.1, 0, 0.1], "post": [0, 0, 0]},
-						"2.5": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.1667": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, 0.1]
+						},
+						"0.5": {
+							"pre": [0.1, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.4167": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, 0.1]
+						},
+						"1.6667": {
+							"pre": [0.1, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"2.5": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_left": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.1667": {"pre": [0, 0, 0], "post": [0.1, 0, -0.1]},
-						"0.5": {"pre": [0.1, 0, -0.1], "post": [0, 0, 0]},
-						"1.4167": {"pre": [0, 0, 0], "post": [0.1, 0, -0.1]},
-						"1.6667": {"pre": [0.1, 0, -0.1], "post": [0, 0, 0]},
-						"2.5": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.1667": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, -0.1]
+						},
+						"0.5": {
+							"pre": [0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						},
+						"1.4167": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, -0.1]
+						},
+						"1.6667": {
+							"pre": [0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						},
+						"2.5": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_right": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.1667": {"pre": [0, 0, 0], "post": [-0.1, 0, -0.1]},
-						"0.5": {"pre": [-0.1, 0, -0.1], "post": [0, 0, 0]},
-						"1.4167": {"pre": [0, 0, 0], "post": [-0.1, 0, -0.1]},
-						"1.6667": {"pre": [-0.1, 0, -0.1], "post": [0, 0, 0]},
-						"2.5": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.1667": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, -0.1]
+						},
+						"0.5": {
+							"pre": [-0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						},
+						"1.4167": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, -0.1]
+						},
+						"1.6667": {
+							"pre": [-0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						},
+						"2.5": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"jaw": {
@@ -5287,14 +5419,20 @@
 					"position": {
 						"0.0": [-0.1, 0, 0.1],
 						"0.125": [-0.1, 0, 0.1],
-						"0.1667": {"pre": [-0.1, 0, 0.1], "post": [0, 0, 0]}
+						"0.1667": {
+							"pre": [-0.1, 0, 0.1],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eye_right": {
 					"position": {
 						"0.0": [0.1, 0, 0.1],
 						"0.125": [0.1, 0, 0.1],
-						"0.1667": {"pre": [0.1, 0, 0.1], "post": [0, 0, 0]}
+						"0.1667": {
+							"pre": [0.1, 0, 0.1],
+							"post": [0, 0, 0]
+						}
 					}
 				}
 			}
@@ -5491,47 +5629,95 @@
 				"eye_left": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [-0.2, 0, 0.1]},
-						"0.3333": {"pre": [-0.2, 0, 0.1], "post": [0, 0, 0]},
-						"1.25": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [-0.2, 0, 0.1]
+						},
+						"0.3333": {
+							"pre": [-0.2, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.25": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eye_right": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [0.2, 0, 0.1]},
-						"0.3333": {"pre": [0.2, 0, 0.1], "post": [0, 0, 0]},
-						"1.25": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [0.2, 0, 0.1]
+						},
+						"0.3333": {
+							"pre": [0.2, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.25": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_left": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [-0.2, 0, 0.1]},
-						"0.3333": {"pre": [-0.2, 0, 0.1], "post": [0, 0, 0]},
-						"1.25": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [-0.2, 0, 0.1]
+						},
+						"0.3333": {
+							"pre": [-0.2, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.25": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_right": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [0.2, 0, 0.1]},
-						"0.3333": {"pre": [0.2, 0, 0.1], "post": [0, 0, 0]},
-						"1.25": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [0.2, 0, 0.1]
+						},
+						"0.3333": {
+							"pre": [0.2, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.25": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_left_hurt": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [0.1, 0, -0.1]},
-						"0.3333": {"pre": [0.1, 0, -0.1], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, -0.1]
+						},
+						"0.3333": {
+							"pre": [0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_right_hurt": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [-0.1, 0, -0.1]},
-						"0.3333": {"pre": [-0.1, 0, -0.1], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, -0.1]
+						},
+						"0.3333": {
+							"pre": [-0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"jaw": {
@@ -6238,47 +6424,95 @@
 				"eye_left": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [-0.2, 0, 0.1]},
-						"0.3333": {"pre": [-0.2, 0, 0.1], "post": [0, 0, 0]},
-						"1.25": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [-0.2, 0, 0.1]
+						},
+						"0.3333": {
+							"pre": [-0.2, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.25": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eye_right": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [0.2, 0, 0.1]},
-						"0.3333": {"pre": [0.2, 0, 0.1], "post": [0, 0, 0]},
-						"1.25": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [0.2, 0, 0.1]
+						},
+						"0.3333": {
+							"pre": [0.2, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.25": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_left": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [-0.2, 0, 0.1]},
-						"0.3333": {"pre": [-0.2, 0, 0.1], "post": [0, 0, 0]},
-						"1.25": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [-0.2, 0, 0.1]
+						},
+						"0.3333": {
+							"pre": [-0.2, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.25": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_right": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [0.2, 0, 0.1]},
-						"0.3333": {"pre": [0.2, 0, 0.1], "post": [0, 0, 0]},
-						"1.25": {"pre": [0, 0, 0], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [0.2, 0, 0.1]
+						},
+						"0.3333": {
+							"pre": [0.2, 0, 0.1],
+							"post": [0, 0, 0]
+						},
+						"1.25": {
+							"pre": [0, 0, 0],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_left_hurt": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [0.1, 0, -0.1]},
-						"0.3333": {"pre": [0.1, 0, -0.1], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, -0.1]
+						},
+						"0.3333": {
+							"pre": [0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_right_hurt": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.0417": {"pre": [0, 0, 0], "post": [-0.1, 0, -0.1]},
-						"0.3333": {"pre": [-0.1, 0, -0.1], "post": [0, 0, 0]}
+						"0.0417": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, -0.1]
+						},
+						"0.3333": {
+							"pre": [-0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"jaw": {

common/src/main/resources/assets/cobblemon/bedrock/pokemon/animations/0823_corviknight/corviknight.animation.json

@@ -3150,6 +3150,10 @@
 				"locator_seat_2": {
 					"rotation": [45, 0, 0]
 				}
+			},
+			"timeline": {
+				"0.5": "q.run_molang('cobblemon:stepsound_claw_large');",
+				"1.5": "q.run_molang('cobblemon:stepsound_claw_large');"
 			}
 		},
 		"animation.corviknight.ground_run": {
@@ -4473,6 +4477,10 @@
 				"locator_seat_2": {
 					"rotation": [25, 0, 0]
 				}
+			},
+			"timeline": {
+				"0.3333": "q.run_molang('cobblemon:stepsound_claw_large');",
+				"0.8333": "q.run_molang('cobblemon:stepsound_claw_large');"
 			}
 		},
 		"animation.corviknight.air_idle": {

common/src/main/resources/assets/cobblemon/bedrock/pokemon/animations/0899_wyrdeer/wyrdeer.animation.json

@@ -566,6 +566,12 @@
 						"1.5": [0, 0.2, 0]
 					}
 				}
+			},
+			"timeline": {
+				"0.5417": "q.run_molang('cobblemon:stepsound_hoof_medium');",
+				"0.7083": "q.run_molang('cobblemon:stepsound_hoof_medium');",
+				"1.2917": "q.run_molang('cobblemon:stepsound_hoof_medium');",
+				"1.4583": "q.run_molang('cobblemon:stepsound_hoof_medium');"
 			}
 		},
 		"animation.wyrdeer.sleep": {
@@ -780,15 +786,27 @@
 				"eyelid_right": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.25": {"pre": [0, 0, 0], "post": [-0.1, 0, -0.1]},
-						"0.5": {"pre": [-0.1, 0, -0.1], "post": [0, 0, 0]}
+						"0.25": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, -0.1]
+						},
+						"0.5": {
+							"pre": [-0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_left": {
 					"position": {
 						"0.0": [0, 0, 0],
-						"0.25": {"pre": [0, 0, 0], "post": [0.1, 0, -0.1]},
-						"0.5": {"pre": [0.1, 0, -0.1], "post": [0, 0, 0]}
+						"0.25": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, -0.1]
+						},
+						"0.5": {
+							"pre": [0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"ear_right": {
@@ -1186,18 +1204,36 @@
 					"position": {
 						"0.0": [0, 0, 0],
 						"1.5833": [-0.1, 0, -0.1],
-						"1.6667": {"pre": [-0.1, 0, -0.1], "post": [0, 0, 0]},
-						"3.0": {"pre": [0, 0, 0], "post": [-0.1, 0, -0.1]},
-						"3.125": {"pre": [-0.1, 0, -0.1], "post": [0, 0, 0]}
+						"1.6667": {
+							"pre": [-0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						},
+						"3.0": {
+							"pre": [0, 0, 0],
+							"post": [-0.1, 0, -0.1]
+						},
+						"3.125": {
+							"pre": [-0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"eyelid_left": {
 					"position": {
 						"0.0": [0, 0, 0],
 						"1.5833": [0.1, 0, -0.1],
-						"1.6667": {"pre": [0.1, 0, -0.1], "post": [0, 0, 0]},
-						"3.0": {"pre": [0, 0, 0], "post": [0.1, 0, -0.1]},
-						"3.125": {"pre": [0.1, 0, -0.1], "post": [0, 0, 0]}
+						"1.6667": {
+							"pre": [0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						},
+						"3.0": {
+							"pre": [0, 0, 0],
+							"post": [0.1, 0, -0.1]
+						},
+						"3.125": {
+							"pre": [0.1, 0, -0.1],
+							"post": [0, 0, 0]
+						}
 					}
 				},
 				"tail": {
@@ -2204,6 +2240,16 @@
 						"1.1667": [0, 0, 0]
 					}
 				}
+			},
+			"timeline": {
+				"0.2083": "q.run_molang('cobblemon:stepsound_hoof_medium');",
+				"0.2917": "q.run_molang('cobblemon:stepsound_hoof_medium');",
+				"0.375": "q.run_molang('cobblemon:stepsound_hoof_medium');",
+				"0.4583": "q.run_molang('cobblemon:stepsound_hoof_large');",
+				"0.7917": "q.run_molang('cobblemon:stepsound_hoof_medium');",
+				"0.875": "q.run_molang('cobblemon:stepsound_hoof_medium');",
+				"0.9583": "q.run_molang('cobblemon:stepsound_hoof_medium');",
+				"1.0417": "q.run_molang('cobblemon:stepsound_hoof_large');"
 			}
 		},
 		"animation.wyrdeer.ride_jump": {

common/src/main/resources/assets/cobblemon/lang/en_us.json

@@ -800,6 +800,8 @@
   "block.cobblemon.relic_coin_sack": "Relic Coin Sack",
   "item.cobblemon.automaton_armor_trim_smithing_template": "Smithing Template",
   "trim_pattern.cobblemon.automaton": "Automaton Armor Trim",
+  "item.cobblemon.trainer_pack": "Trainer Pack",
+  "item.cobblemon.trainer_bag": "Trainer Bag",
   "cobblemon.tooltip.see_more_info": "Hold shift to see info",
   "cobblemon.item_class.fishing_bait": "Fishing Bait",
   "cobblemon.item_class.cooking_pot_recipe_absorbs": "Absorbs",
@@ -1198,7 +1200,14 @@
   "cobblemon.ui.edit.habitat.validation.phases_list": "Phases must use a valid format for integer ranges, e.g. 1-3 or 1, 3-5, 6.",
   "cobblemon.ui.edit.habitat.validation.min_light": "Min Light must be between 0 and 15.",
   "cobblemon.ui.edit.habitat.validation.max_light": "Max Light must be between 0 and 15.",
-
+  "cobblemon.container.bag": "Trainer Bag",
+  "cobblemon.bag_category.poke_balls": "Poké Balls",
+  "cobblemon.bag_category.consumables": "Consumables",
+  "cobblemon.bag_category.berries": "Berries",
+  "cobblemon.bag_category.held_evo": "Held and Evolution Items",
+  "cobblemon.bag_category.tms": "Technical Machines",
+  "cobblemon.bag_category.currency": "Currency",
+  "cobblemon.bag_categories.all_items": "Bag",
 
   "cobblemon.ui.pokenav.title": "PokéNav",
   "cobblemon.ui.pokenav.narrator.backbutton": "PokéNav button pressed",

common/src/main/resources/assets/cobblemon/models/item/bag/bag_penny.json

@@ -0,0 +1,131 @@
+{
+	"format_version": "1.9.0",
+	"credit": "Made with Blockbench",
+	"texture_size": [64, 64],
+	"textures": {
+		"particle": "cobblemon:item/bag/bag_penny",
+		"texture": "cobblemon:item/bag/bag_penny"
+	},
+	"elements": [
+		{
+			"name": "straps",
+			"from": [3.65, 11.65, 5.65],
+			"to": [12.35, 24.35, 10.35],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 0, 8]},
+			"faces": {
+				"north": {"uv": [1, 1, 3, 4], "texture": "#texture"},
+				"east": {"uv": [0, 1, 1, 4], "texture": "#texture"},
+				"south": {"uv": [4, 1, 6, 4], "texture": "#texture"},
+				"west": {"uv": [3, 1, 4, 4], "texture": "#texture"},
+				"up": {"uv": [3, 1, 1, 0], "texture": "#texture"},
+				"down": {"uv": [5, 0, 3, 1], "texture": "#texture"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [4.51, 19.01, 10.01],
+			"to": [11.49, 21.99, 12.99],
+			"rotation": {"angle": 0, "axis": "y", "origin": [6.5, 19.5, 11.5]},
+			"faces": {
+				"north": {"uv": [6.75, 2.5, 8.5, 3.25], "texture": "#texture"},
+				"east": {"uv": [6, 2.5, 6.75, 3.25], "texture": "#texture"},
+				"south": {"uv": [9.25, 2.5, 11, 3.25], "texture": "#texture"},
+				"west": {"uv": [8.5, 2.5, 9.25, 3.25], "texture": "#texture"},
+				"up": {"uv": [8.5, 2.5, 6.75, 1.75], "texture": "#texture"},
+				"down": {"uv": [10.25, 1.75, 8.5, 2.5], "texture": "#texture"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [1.99, 21.99, 12.49],
+			"to": [14.01, 26.01, 12.51],
+			"rotation": {"angle": 22.5, "axis": "x", "origin": [8, 22, 12.5]},
+			"faces": {
+				"north": {"uv": [7.5, 3.75, 10.5, 4.75], "texture": "#texture"},
+				"east": {"uv": [7.5, 3.75, 7.5, 4.75], "texture": "#texture"},
+				"south": {"uv": [10.5, 3.75, 13.5, 4.75], "texture": "#texture"},
+				"west": {"uv": [10.5, 3.75, 10.5, 4.75], "texture": "#texture"},
+				"up": {"uv": [10.5, 3.75, 7.5, 3.75], "texture": "#texture"},
+				"down": {"uv": [13.5, 3.75, 10.5, 3.75], "texture": "#texture"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [4.51, 12.51, 10.01],
+			"to": [11.49, 16.49, 12.99],
+			"rotation": {"angle": 0, "axis": "y", "origin": [6.5, 14, 11.5]},
+			"faces": {
+				"north": {"uv": [6.75, 0.75, 8.5, 1.75], "texture": "#texture"},
+				"east": {"uv": [6, 0.75, 6.75, 1.75], "texture": "#texture"},
+				"south": {"uv": [9.25, 0.75, 11, 1.75], "texture": "#texture"},
+				"west": {"uv": [8.5, 0.75, 9.25, 1.75], "texture": "#texture"},
+				"up": {"uv": [8.5, 0.75, 6.75, 0], "texture": "#texture"},
+				"down": {"uv": [10.25, 0, 8.5, 0.75], "texture": "#texture"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [4.99, 11.49, 11.99],
+			"to": [11.01, 12.51, 12.01],
+			"rotation": {"angle": 0, "axis": "y", "origin": [6.5, 12, 11]},
+			"faces": {
+				"north": {"uv": [6, 5, 7.5, 5.25], "texture": "#texture"},
+				"east": {"uv": [6, 5, 6, 5.25], "texture": "#texture"},
+				"south": {"uv": [7.5, 5, 9, 5.25], "texture": "#texture"},
+				"west": {"uv": [7.5, 5, 7.5, 5.25], "texture": "#texture"},
+				"up": {"uv": [7.5, 5, 6, 5], "texture": "#texture"},
+				"down": {"uv": [9, 5, 7.5, 5], "texture": "#texture"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [5.99, 8.49, 10.99],
+			"to": [10.01, 12.51, 11.01],
+			"rotation": {"angle": 0, "axis": "y", "origin": [6.5, 10, 10.5]},
+			"faces": {
+				"north": {"uv": [6, 5.5, 7, 6.5], "texture": "#texture"},
+				"east": {"uv": [6, 5.5, 6, 6.5], "texture": "#texture"},
+				"south": {"uv": [7, 5.5, 8, 6.5], "texture": "#texture"},
+				"west": {"uv": [7, 5.5, 7, 6.5], "texture": "#texture"},
+				"up": {"uv": [7, 5.5, 6, 5.5], "texture": "#texture"},
+				"down": {"uv": [8, 5.5, 7, 5.5], "texture": "#texture"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [4.01, 16.01, 9.51],
+			"to": [11.99, 18.99, 13.49],
+			"rotation": {"angle": 0, "axis": "y", "origin": [6.5, 16.5, 11]},
+			"faces": {
+				"north": {"uv": [1, 5, 3, 5.75], "texture": "#texture"},
+				"east": {"uv": [0, 5, 1, 5.75], "texture": "#texture"},
+				"south": {"uv": [4, 5, 6, 5.75], "texture": "#texture"},
+				"west": {"uv": [3, 5, 4, 5.75], "texture": "#texture"},
+				"up": {"uv": [3, 5, 1, 4], "texture": "#texture"},
+				"down": {"uv": [5, 4, 3, 5], "texture": "#texture"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [3.8, 15.8, 9.3],
+			"to": [12.2, 19.2, 13.7],
+			"rotation": {"angle": 0, "axis": "y", "origin": [6.5, 16.5, 11]},
+			"faces": {
+				"north": {"uv": [1, 6.75, 3, 7.5], "texture": "#texture"},
+				"east": {"uv": [0, 6.75, 1, 7.5], "texture": "#texture"},
+				"south": {"uv": [4, 6.75, 6, 7.5], "texture": "#texture"},
+				"west": {"uv": [3, 6.75, 4, 7.5], "texture": "#texture"},
+				"up": {"uv": [3, 6.75, 1, 5.75], "texture": "#texture"},
+				"down": {"uv": [5, 5.75, 3, 6.75], "texture": "#texture"}
+			}
+		}
+	],
+	"groups": [
+		{
+			"name": "bag",
+			"origin": [0, 0, 0],
+			"color": 0,
+			"children": [0, 1, 2, 3, 4, 5, 6, 7]
+		}
+	]
+}

common/src/main/resources/assets/cobblemon/models/item/bag/trainer_bag.json

@@ -0,0 +1,63 @@
+{
+	"format_version": "1.9.0",
+	"credit": "Made with Blockbench",
+	"texture_size": [32, 32],
+	"textures": {
+		"0": "cobblemon:item/bag/trainer_bag",
+		"particle": "cobblemon:item/bag/trainer_bag"
+	},
+	"elements": [
+		{
+			"name": "straps",
+			"from": [3.65, 11.65, 5.65],
+			"to": [12.35, 24.35, 10.35],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 0, 8]},
+			"faces": {
+				"north": {"uv": [2, 2, 6, 8], "texture": "#0"},
+				"east": {"uv": [0, 2, 2, 8], "texture": "#0"},
+				"south": {"uv": [8, 2, 12, 8], "texture": "#0"},
+				"west": {"uv": [6, 2, 8, 8], "texture": "#0"},
+				"up": {"uv": [6, 2, 2, 0], "texture": "#0"},
+				"down": {"uv": [10, 0, 6, 2], "texture": "#0"}
+			}
+		},
+		{
+			"name": "straps inverted",
+			"from": [12.35, 24.35, 10.35],
+			"to": [3.65, 11.65, 5.65],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 0, 8]},
+			"faces": {
+				"north": {"uv": [8, 8, 12, 2], "texture": "#0"},
+				"east": {"uv": [6, 8, 8, 2], "texture": "#0"},
+				"south": {"uv": [2, 8, 6, 2], "texture": "#0"},
+				"west": {"uv": [0, 8, 2, 2], "texture": "#0"},
+				"up": {"uv": [6, 0, 10, 2], "texture": "#0"},
+				"down": {"uv": [2, 2, 6, 0], "texture": "#0"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [4, 14, 10],
+			"to": [12, 20, 13],
+			"rotation": {"angle": 22.5, "axis": "z", "origin": [8, 17, 11.5]},
+			"faces": {
+				"north": {"uv": [1.5, 9.5, 5.5, 12.5], "texture": "#0"},
+				"east": {"uv": [0, 9.5, 1.5, 12.5], "texture": "#0"},
+				"south": {"uv": [7, 9.5, 11, 12.5], "texture": "#0"},
+				"west": {"uv": [5.5, 9.5, 7, 12.5], "texture": "#0"},
+				"up": {"uv": [5.5, 9.5, 1.5, 8], "texture": "#0"},
+				"down": {"uv": [9.5, 8, 5.5, 9.5], "texture": "#0"}
+			}
+		}
+	],
+	"gui_light": "front",
+	"groups": [
+		{
+			"name": "bag",
+			"origin": [8, 0, 8],
+			"scope": 0,
+			"color": 0,
+			"children": [0, 1, 2]
+		}
+	]
+}

common/src/main/resources/assets/cobblemon/models/item/bag/trainer_pack.json

@@ -0,0 +1,101 @@
+{
+	"format_version": "1.9.0",
+	"credit": "Made with Blockbench",
+	"texture_size": [64, 32],
+	"textures": {
+		"0": "cobblemon:item/bag/trainer_pack",
+		"particle": "cobblemon:item/bag/trainer_pack"
+	},
+	"elements": [
+		{
+			"name": "straps",
+			"from": [3.65, 11.65, 5.65],
+			"to": [12.35, 24.35, 10.35],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 0, 8]},
+			"faces": {
+				"north": {"uv": [1, 2, 3, 8], "texture": "#0"},
+				"east": {"uv": [0, 2, 1, 8], "texture": "#0"},
+				"south": {"uv": [4, 2, 6, 8], "texture": "#0"},
+				"west": {"uv": [3, 2, 4, 8], "texture": "#0"},
+				"up": {"uv": [3, 2, 1, 0], "texture": "#0"},
+				"down": {"uv": [5, 0, 3, 2], "texture": "#0"}
+			}
+		},
+		{
+			"name": "straps inverted",
+			"from": [12.35, 24.35, 10.35],
+			"to": [3.65, 11.65, 5.65],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 0, 8]},
+			"faces": {
+				"north": {"uv": [4, 8, 6, 2], "texture": "#0"},
+				"east": {"uv": [3, 8, 4, 2], "texture": "#0"},
+				"south": {"uv": [1, 8, 3, 2], "texture": "#0"},
+				"west": {"uv": [0, 8, 1, 2], "texture": "#0"},
+				"up": {"uv": [3, 0, 5, 2], "texture": "#0"},
+				"down": {"uv": [1, 2, 3, 0], "texture": "#0"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [6, 21.5, 11.5],
+			"to": [10, 23.5, 11.5],
+			"rotation": {"angle": 0, "axis": "y", "origin": [6.5, 24, 11.5]},
+			"faces": {
+				"north": {"uv": [6.25, 5, 7.25, 6], "texture": "#0"},
+				"south": {"uv": [7.25, 5, 8.25, 6], "texture": "#0"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [4.01, 16.5, 10],
+			"to": [11.99, 21.5, 14],
+			"rotation": {"angle": 0, "axis": "y", "origin": [6.5, 15.5, 11.5]},
+			"faces": {
+				"north": {"uv": [7.25, 2, 9.25, 4.5], "texture": "#0"},
+				"east": {"uv": [6.25, 2, 7.25, 4.5], "texture": "#0"},
+				"south": {"uv": [10.25, 2, 12.25, 4.5], "texture": "#0"},
+				"west": {"uv": [9.25, 2, 10.25, 4.5], "texture": "#0"},
+				"up": {"uv": [9.25, 2, 7.25, 0], "texture": "#0"},
+				"down": {"uv": [11.25, 0, 9.25, 2], "texture": "#0"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [3.5, 12.5, 10],
+			"to": [12.5, 16.5, 14],
+			"rotation": {"angle": 0, "axis": "y", "origin": [6.5, 15.5, 11.5]},
+			"faces": {
+				"north": {"uv": [1, 14, 3.25, 16], "texture": "#0"},
+				"east": {"uv": [0, 14, 1, 16], "texture": "#0"},
+				"south": {"uv": [4.25, 14, 6.5, 16], "texture": "#0"},
+				"west": {"uv": [3.25, 14, 4.25, 16], "texture": "#0"},
+				"up": {"uv": [3.25, 14, 1, 12], "texture": "#0"},
+				"down": {"uv": [5.5, 12, 3.25, 14], "texture": "#0"}
+			}
+		},
+		{
+			"name": "bag",
+			"from": [4.5, 12.5, 14],
+			"to": [11.5, 16.5, 15],
+			"rotation": {"angle": 0, "axis": "y", "origin": [6.5, 16.5, 15.5]},
+			"faces": {
+				"north": {"uv": [0.25, 10, 2, 12], "texture": "#0"},
+				"east": {"uv": [0, 10, 0.25, 12], "texture": "#0"},
+				"south": {"uv": [2.25, 10, 4, 12], "texture": "#0"},
+				"west": {"uv": [2, 10, 2.25, 12], "texture": "#0"},
+				"up": {"uv": [2, 10, 0.25, 9.5], "texture": "#0"},
+				"down": {"uv": [3.75, 9.5, 2, 10], "texture": "#0"}
+			}
+		}
+	],
+	"gui_light": "front",
+	"groups": [
+		{
+			"name": "bag",
+			"origin": [8, 0, 8],
+			"scope": 0,
+			"color": 0,
+			"children": [0, 1, 2, 3, 4, 5]
+		}
+	]
+}

common/src/main/resources/assets/cobblemon/models/item/trainer_bag.json

@@ -0,0 +1,47 @@
+{
+  "parent": "cobblemon:item/bag/trainer_bag",
+	"gui_light": "front",
+	"display": {
+		"thirdperson_righthand": {
+			"rotation": [75, -155, 0],
+			"translation": [2.25, -4, -11],
+			"scale": [0.75, 0.75, 0.75]
+		},
+		"thirdperson_lefthand": {
+			"rotation": [75, -155, 0],
+			"translation": [2.25, -4, -11],
+			"scale": [0.75, 0.75, 0.75]
+		},
+		"firstperson_righthand": {
+			"rotation": [0, -100, 0],
+			"translation": [5, -7, 0],
+			"scale": [0.8, 0.8, 0.8]
+		},
+		"firstperson_lefthand": {
+			"rotation": [0, -100, 0],
+			"translation": [5, -7, 0],
+			"scale": [0.8, 0.8, 0.8]
+		},
+		"ground": {
+			"translation": [0, -3, -1.75],
+			"scale": [0.5, 0.5, 0.5]
+		},
+		"gui": {
+			"rotation": [30, -22.5, 0],
+			"translation": [0.75, -7, 0],
+			"scale": [0.875, 0.875, 0.875]
+		},
+		"head": {
+			"translation": [0, -32.25, 0],
+			"scale": [1.6, 1.6, 1.6]
+		},
+		"fixed": {
+			"rotation": [0, -180, 0],
+			"translation": [0, -9.25, 3.5]
+		},
+		"on_shelf": {
+			"translation": [0, 0, -7.5],
+			"scale": [1.75, 1.75, 1.75]
+		}
+	}
+}

common/src/main/resources/assets/cobblemon/models/item/trainer_pack.json

@@ -0,0 +1,47 @@
+{
+  "parent": "cobblemon:item/bag/trainer_pack",
+	"gui_light": "front",
+	"display": {
+		"thirdperson_righthand": {
+			"rotation": [75, -155, 0],
+			"translation": [2.25, -4, -11],
+			"scale": [0.75, 0.75, 0.75]
+		},
+		"thirdperson_lefthand": {
+			"rotation": [75, -155, 0],
+			"translation": [2.25, -4, -11],
+			"scale": [0.75, 0.75, 0.75]
+		},
+		"firstperson_righthand": {
+			"rotation": [0, -100, 0],
+			"translation": [5, -7, 0],
+			"scale": [0.8, 0.8, 0.8]
+		},
+		"firstperson_lefthand": {
+			"rotation": [0, -100, 0],
+			"translation": [5, -7, 0],
+			"scale": [0.8, 0.8, 0.8]
+		},
+		"ground": {
+			"translation": [0, -3, -1.75],
+			"scale": [0.5, 0.5, 0.5]
+		},
+		"gui": {
+			"rotation": [30, -22.5, 0],
+			"translation": [0.75, -7, 0],
+			"scale": [0.875, 0.875, 0.875]
+		},
+		"head": {
+			"translation": [0, -32.25, 0],
+			"scale": [1.6, 1.6, 1.6]
+		},
+		"fixed": {
+			"rotation": [0, -180, 0],
+			"translation": [0, -9.25, 3.5]
+		},
+		"on_shelf": {
+			"translation": [0, 0, -7.5],
+			"scale": [1.75, 1.75, 1.75]
+		}
+	}
+}

common/src/main/resources/assets/cobblemon/sounds.json

@@ -261,6 +261,24 @@
   "fishing.bait_detach": {
     "sounds": [ { "name": "cobblemon:fishing/fishing_rod_remove_bait", "volume": 0.8 } ]
   },
+  "item.bag.open": {
+    "sounds": [ { "name":  "cobblemon:item/bag/bag_open", "volume": 0.5 } ]
+  },
+  "item.bag.close": {
+    "sounds": [ { "name":  "cobblemon:item/bag/bag_close", "volume": 0.5 } ]
+  },
+  "item.bag.click": {
+    "sounds": [ { "name":  "cobblemon:item/bag/bag_click", "volume": 0.3 } ]
+  },
+  "item.bag.item_in": {
+    "sounds": [ { "name":  "cobblemon:item/bag/bag_item_in", "volume": 0.3 } ]
+  },
+  "item.bag.item_out": {
+    "sounds": [ { "name":  "cobblemon:item/bag/bag_item_out", "volume": 0.3 } ]
+  },
+  "item.bag.equip": {
+    "sounds": [ { "name":  "cobblemon:item/bag/bag_equip", "volume": 0.4 } ]
+  },
   "block.healing_machine.active": {
     "sounds": [ { "name": "cobblemon:block/healing_machine/healing_machine_active", "volume": 0.7 } ]
   },
@@ -2031,6 +2049,850 @@
       { "name": "cobblemon:animation/wings/steel_wing_flap_medium_8", "volume": 0.25 }
     ]
   },
+  "stepsound.dirt.standard.large": {
+    "subtitle": "subtitles.block.generic.footsteps",
+    "sounds": [
+      { "name": "cobblemon:stepsound/dirt/standard/large/stepsound_dirt_standard_large_1", "volume": 0.2 },
+      { "name": "cobblemon:stepsound/dirt/standard/large/stepsound_dirt_standard_large_2", "volume": 0.2 },
+      { "name": "cobblemon:stepsound/dirt/standard/large/stepsound_dirt_standard_large_3", "volume": 0.2 },
+      { "name": "cobblemon:stepsound/dirt/standard/large/stepsound_dirt_standard_large_4", "volume": 0.2 },
+      { "name": "cobblemon:stepsound/dirt/standard/large/stepsound_dirt_standard_large_5", "volume": 0.2 },
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