Merge branch 'feature/data-registries' into 'main'

26.1.2 backport of dataregistry

See merge request cable-mc/cobblemon!2285

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

@@ -12,6 +12,7 @@ import com.cobblemon.mod.common.api.net.NetworkPacket
 import com.mojang.brigadier.arguments.ArgumentType
 import kotlin.reflect.KClass
 import net.minecraft.commands.synchronization.ArgumentTypeInfo
+import net.minecraft.core.HolderLookup
 import net.minecraft.resources.ResourceKey
 import net.minecraft.resources.ResourceLocation
 import net.minecraft.server.MinecraftServer
@@ -168,12 +169,16 @@ interface CobblemonImplementation {
      * TODO
      *
      * @param identifier
-     * @param reloader
+     * @param reloaderFactory
      * @param type
      * @param dependencies
      */
-    fun registerResourceReloader(identifier: ResourceLocation, reloader: PreparableReloadListener, type: PackType, dependencies: Collection<ResourceLocation>)
-
+    fun registerResourceReloader(
+        identifier: ResourceLocation,
+        type: PackType,
+        dependencies: Collection<ResourceLocation>,
+        reloaderFactory: (HolderLookup.Provider) -> PreparableReloadListener
+    )
     /**
      * TODO
      *

common/src/main/kotlin/com/cobblemon/mod/common/api/data/ServerJsonDataRegistry.kt

@@ -0,0 +1,93 @@
+/*
+ * 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.data
+
+import com.cobblemon.mod.common.util.endsWith
+import com.google.gson.Gson
+import com.google.gson.reflect.TypeToken
+import net.minecraft.core.HolderLookup
+import java.io.BufferedReader
+import java.io.File
+import java.util.concurrent.ExecutionException
+import net.minecraft.resources.ResourceLocation
+import net.minecraft.server.packs.PackType
+import net.minecraft.server.packs.resources.ResourceManager
+
+/**
+ * A [DataRegistry] that consumes JSON files.
+ * Every deserialized instance is attached to an [Identifier].
+ * For example a file under data/mymod/[resourcePath]/entry.json would be backed by the identifier modid:entry.
+ *
+ * @param T The type of the data consumed by this registry.
+ *
+ * @author Licious
+ * @since August 5th, 2022
+ */
+interface ServerJsonDataRegistry<T> : DataRegistry {
+
+    /**
+     * The [TypeToken] of type [T].
+     */
+    val typeToken: TypeToken<T>
+
+    /**
+     * The folder location for the data this registry will consume.
+     */
+    val resourcePath: String
+
+    override val type: PackType
+        get() = PackType.SERVER_DATA
+
+    override fun reload(manager: ResourceManager) {
+        //NO-OP, handled by reload(manager, registry)
+    }
+
+    fun reload(manager: ResourceManager, registry: HolderLookup.Provider) {
+        val gson = setupParser(registry)
+        val data = hashMapOf<ResourceLocation, T>()
+        manager.listResources(resourcePath) { path -> path.endsWith(JSON_EXTENSION) }.forEach { (identifier, resource) ->
+            if (identifier.namespace == "pixelmon") {
+                return@forEach
+            }
+
+            resource.open().use { stream ->
+                stream.bufferedReader().use { reader ->
+                    val resolvedIdentifier = ResourceLocation.fromNamespaceAndPath(identifier.namespace, File(identifier.path).nameWithoutExtension)
+                    data[resolvedIdentifier] = parse(reader, resolvedIdentifier, gson)
+                }
+            }
+        }
+
+        reload(data, registry)
+    }
+
+    fun parse(reader: BufferedReader, identifier: ResourceLocation, gson: Gson): T {
+        return try {
+            gson.fromJson(reader, typeToken.type)
+        } catch (exception: Exception) {
+            throw ExecutionException("Error loading JSON for data: $identifier", exception)
+        }
+    }
+
+    /**
+     * Allows the creation of [Gson] instances which have adapters that are registry-aware, e.g. [com.cobblemon.mod.common.pokemon.evolution.adapters.LegacyItemConditionWrapperAdapter]
+     */
+    fun setupParser(registry: HolderLookup.Provider): Gson
+
+    /**
+     * Reloads this registry from the deserialized data.
+     *
+     * @param data A map of the data associating an instance to the respective identifier from the [ResourceManager].
+     */
+    fun reload(data: Map<ResourceLocation, T>, registry: HolderLookup.Provider)
+
+    companion object {
+        const val JSON_EXTENSION = ".json"
+    }
+}

common/src/main/kotlin/com/cobblemon/mod/common/api/fossil/Fossils.kt

@@ -40,7 +40,7 @@ object Fossils: JsonDataRegistry<Fossil> {
         .registerTypeAdapter(ResourceLocation::class.java, IdentifierAdapter)
         .registerTypeAdapter(PokemonProperties::class.java, pokemonPropertiesShortAdapter)
         .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Item::class.java).type, ItemLikeConditionAdapter)
-        .registerTypeAdapter(ItemPredicate::class.java, LegacyItemConditionWrapperAdapter)
+        .registerTypeAdapter(ItemPredicate::class.java, LegacyItemConditionWrapperAdapter())
         .create()
 
     override val typeToken: TypeToken<Fossil> = TypeToken.get(Fossil::class.java)

common/src/main/kotlin/com/cobblemon/mod/common/api/interaction/PokemonInteractions.kt

@@ -10,7 +10,7 @@ package com.cobblemon.mod.common.api.interaction
 
 import com.cobblemon.mod.common.Cobblemon
 import com.cobblemon.mod.common.api.conditional.RegistryLikeCondition
-import com.cobblemon.mod.common.api.data.JsonDataRegistry
+import com.cobblemon.mod.common.api.data.ServerJsonDataRegistry
 import com.cobblemon.mod.common.api.molang.ExpressionLike
 import com.cobblemon.mod.common.api.pokemon.PokemonProperties
 import com.cobblemon.mod.common.api.pokemon.requirement.Requirement
@@ -26,6 +26,7 @@ import com.google.gson.Gson
 import com.google.gson.GsonBuilder
 import com.google.gson.reflect.TypeToken
 import net.minecraft.advancements.critereon.ItemPredicate
+import net.minecraft.core.HolderLookup
 import net.minecraft.resources.ResourceLocation
 import net.minecraft.server.level.ServerPlayer
 import net.minecraft.server.packs.PackType
@@ -36,28 +37,31 @@ import net.minecraft.world.level.block.Block
 import net.minecraft.world.level.levelgen.structure.Structure
 import net.minecraft.world.level.material.Fluid
 
-object PokemonInteractions : JsonDataRegistry<PokemonInteractionSet> {
+object PokemonInteractions : ServerJsonDataRegistry<PokemonInteractionSet> {
     override val id = cobblemonResource("pokemon_interactions")
     override val type = PackType.SERVER_DATA
+    override fun setupParser(registry: HolderLookup.Provider): Gson {
+        return GsonBuilder()
+            .registerTypeAdapter(ResourceLocation::class.java, IdentifierAdapter)
+            .registerTypeAdapter(PokemonProperties::class.java, pokemonPropertiesShortAdapter)
+            .registerTypeAdapter(ItemPredicate::class.java, LegacyItemConditionWrapperAdapter(registry))
+            .registerTypeAdapter(Requirement::class.java, CobblemonRequirementAdapter)
+            .registerTypeAdapter(InteractionEffect::class.java, InteractionEffectAdapter)
+            .registerTypeAdapter(ExpressionLike::class.java, ExpressionLikeAdapter)
+            .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Biome::class.java).type, BiomeLikeConditionAdapter)
+            .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Block::class.java).type, BlockLikeConditionAdapter)
+            .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Item::class.java).type, ItemLikeConditionAdapter)
+            .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Structure::class.java).type, StructureLikeConditionAdapter)
+            .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Fluid::class.java).type, FluidLikeConditionAdapter)
+            .registerTypeAdapter(IntRange::class.java, IntRangeAdapter)
+            .registerTypeAdapterFactory(LowerCaseEnumTypeAdapterFactory())
+            .setPrettyPrinting()
+            .create()
+    }
+
     override val observable = SimpleObservable<PokemonInteractions>()
     override val typeToken: TypeToken<PokemonInteractionSet> = TypeToken.get(PokemonInteractionSet::class.java)
     override val resourcePath = "pokemon_interactions"
-    override val gson: Gson = GsonBuilder()
-        .registerTypeAdapter(ResourceLocation::class.java, IdentifierAdapter)
-        .registerTypeAdapter(PokemonProperties::class.java, pokemonPropertiesShortAdapter)
-        .registerTypeAdapter(ItemPredicate::class.java, LegacyItemConditionWrapperAdapter)
-        .registerTypeAdapter(Requirement::class.java, CobblemonRequirementAdapter)
-        .registerTypeAdapter(InteractionEffect::class.java, InteractionEffectAdapter)
-        .registerTypeAdapter(ExpressionLike::class.java, ExpressionLikeAdapter)
-        .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Biome::class.java).type, BiomeLikeConditionAdapter)
-        .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Block::class.java).type, BlockLikeConditionAdapter)
-        .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Item::class.java).type, ItemLikeConditionAdapter)
-        .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Structure::class.java).type, StructureLikeConditionAdapter)
-        .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Fluid::class.java).type, FluidLikeConditionAdapter)
-        .registerTypeAdapter(IntRange::class.java, IntRangeAdapter)
-        .registerTypeAdapterFactory(LowerCaseEnumTypeAdapterFactory())
-        .setPrettyPrinting()
-        .create()
 
     val interactions = mutableListOf<PokemonInteractionSet>()
 
@@ -65,7 +69,7 @@ object PokemonInteractions : JsonDataRegistry<PokemonInteractionSet> {
         PokemonInteractionsSyncPacket(interactions).sendToPlayer(player)
     }
 
-    override fun reload(data: Map<ResourceLocation, PokemonInteractionSet>) {
+    override fun reload(data: Map<ResourceLocation, PokemonInteractionSet>, registry: HolderLookup.Provider) {
         interactions.clear()
         val split = data.entries
             .partition {
@@ -87,4 +91,4 @@ object PokemonInteractions : JsonDataRegistry<PokemonInteractionSet> {
             .flatMap { it.interactions }
             .firstOrNull(interactionCheck)
     }
-}
+}

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

@@ -128,7 +128,7 @@ object PokemonSpecies : JsonDataRegistry<Species> {
         .registerTypeAdapter(TypeToken.getParameterized(RegistryLikeCondition::class.java, Fluid::class.java).type, FluidLikeConditionAdapter)
         .registerTypeAdapter(EggGroup::class.java, EggGroupAdapter)
         .registerTypeAdapter(MobEffect::class.java, RegistryElementAdapter<MobEffect>(BuiltInRegistries::MOB_EFFECT))
-        .registerTypeAdapter(ItemPredicate::class.java, LegacyItemConditionWrapperAdapter)
+        .registerTypeAdapter(ItemPredicate::class.java, LegacyItemConditionWrapperAdapter())
         .registerTypeAdapter(RidingBehaviourSettings::class.java, RidingBehaviourSettingsAdapter)
         .registerTypeAdapter(RideSoundSettingsList::class.java, RideSoundSettingsListAdapter)
         .registerTypeAdapter(ObtainableItemCondition::class.java, ObtainableItemConditionAdapter)

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

@@ -15,6 +15,7 @@ import com.cobblemon.mod.common.api.berry.Berries
 import com.cobblemon.mod.common.api.cooking.Seasonings
 import com.cobblemon.mod.common.api.data.DataProvider
 import com.cobblemon.mod.common.api.data.DataRegistry
+import com.cobblemon.mod.common.api.data.ServerJsonDataRegistry
 import com.cobblemon.mod.common.api.dialogue.Dialogues
 import com.cobblemon.mod.common.api.events.CobblemonEvents
 import com.cobblemon.mod.common.api.fishing.PokeRods
@@ -51,6 +52,7 @@ import com.cobblemon.mod.common.pokemon.properties.PropertiesCompletionProvider
 import com.cobblemon.mod.common.util.cobblemonResource
 import com.cobblemon.mod.common.util.ifClient
 import com.cobblemon.mod.common.util.server
+import net.minecraft.core.HolderLookup
 import java.util.UUID
 import net.minecraft.resources.ResourceLocation
 import net.minecraft.server.level.ServerPlayer
@@ -71,8 +73,7 @@ object CobblemonDataProvider : DataProvider {
 
     // client is public only so we can use it cross-module. maybe a more elegant solution exists, but this works
     @ApiStatus.Internal
-    val clientResourceReloader: PreparableReloadListener = SimpleResourceReloader(PackType.CLIENT_RESOURCES)
-    private val serverResourceReloader: PreparableReloadListener = SimpleResourceReloader(PackType.SERVER_DATA)
+    val clientResourceReloader: PreparableReloadListener = ClientResourceReloader()
 
     fun registerDefaults() {
         this.register(CobblemonScripts, reloadable = true)
@@ -126,9 +127,9 @@ object CobblemonDataProvider : DataProvider {
         }
 
         ifClient {
-            Cobblemon.implementation.registerResourceReloader(cobblemonResource("client_resources"), clientResourceReloader, PackType.CLIENT_RESOURCES, emptyList())
+            Cobblemon.implementation.registerResourceReloader(cobblemonResource("client_resources"), PackType.CLIENT_RESOURCES, emptyList()) { clientResourceReloader }
         }
-        Cobblemon.implementation.registerResourceReloader(cobblemonResource("data_resources"), serverResourceReloader, PackType.SERVER_DATA, emptyList())
+        Cobblemon.implementation.registerResourceReloader(cobblemonResource("data_resources"), PackType.SERVER_DATA, emptyList()) { ServerResourceReloader(it) }
     }
 
     override fun <T : DataRegistry> register(registry: T, reloadable: Boolean): T {
@@ -167,12 +168,25 @@ object CobblemonDataProvider : DataProvider {
         }
     }
 
-    private class SimpleResourceReloader(private val type: PackType) : ResourceManagerReloadListener {
+    private class ClientResourceReloader : ResourceManagerReloadListener {
+        override fun onResourceManagerReload(manager: ResourceManager) {
+            registries.filter { it.type == PackType.CLIENT_RESOURCES }.forEach { it.reload(manager) }
+        }
+    }
+
+    private class ServerResourceReloader(private val registryAccess: HolderLookup.Provider) : ResourceManagerReloadListener {
         override fun onResourceManagerReload(manager: ResourceManager) {
             // Check for a server running, this is due to the create a world screen triggering datapack reloads, these are fine to happen as many times as needed as players may be in the process of adding their datapacks.
             val reloadAllowed = server()?.isReady != true
-            registries.filter { it.type == this.type && (reloadAllowed || it in reloadableRegistries) }
-                .forEach { it.reload(manager) }
+            registries
+                .filter { it.type == PackType.SERVER_DATA && (reloadAllowed || it in reloadableRegistries) }
+                .forEach {
+                    if (it is ServerJsonDataRegistry<*>) {
+                        it.reload(manager, registryAccess)
+                    } else {
+                        it.reload(manager)
+                    }
+                }
         }
     }
 }

common/src/main/kotlin/com/cobblemon/mod/common/pokemon/evolution/adapters/LegacyItemConditionWrapperAdapter.kt

@@ -9,6 +9,7 @@
 package com.cobblemon.mod.common.pokemon.evolution.adapters
 
 import com.cobblemon.mod.common.util.adapters.CodecBackedAdapter
+import com.cobblemon.mod.common.util.adapters.RegistryAccessResolver
 import com.google.gson.JsonDeserializationContext
 import com.google.gson.JsonDeserializer
 import com.google.gson.JsonElement
@@ -19,6 +20,7 @@ import net.minecraft.advancements.critereon.ItemCustomDataPredicate
 import net.minecraft.advancements.critereon.ItemPredicate
 import net.minecraft.advancements.critereon.ItemSubPredicates
 import net.minecraft.advancements.critereon.NbtPredicate
+import net.minecraft.core.HolderLookup
 import net.minecraft.core.registries.BuiltInRegistries
 import net.minecraft.core.registries.Registries
 import net.minecraft.resources.ResourceLocation
@@ -26,13 +28,16 @@ import net.minecraft.tags.TagKey
 import java.lang.reflect.Type
 
 // This is an ugly adapter because breaking changes are scary and people would ;(
-object LegacyItemConditionWrapperAdapter : JsonDeserializer<ItemPredicate>, JsonSerializer<ItemPredicate> {
+class LegacyItemConditionWrapperAdapter(val registryAccess: HolderLookup.Provider = RegistryAccessResolver.getAccess())
+    : JsonDeserializer<ItemPredicate>, JsonSerializer<ItemPredicate> {
 
-    private const val TAG_PREFIX = "#"
-    private const val LEGACY_ITEM = "item"
-    private const val LEGACY_NBT = "nbt"
+    companion object {
+        private const val TAG_PREFIX = "#"
+        private const val LEGACY_ITEM = "item"
+        private const val LEGACY_NBT = "nbt"
+    }
 
-    private val codecAdapter = CodecBackedAdapter(ItemPredicate.CODEC)
+    private val codecAdapter = CodecBackedAdapter(ItemPredicate.CODEC, registryAccess)
 
     override fun deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): ItemPredicate {
         if (json.isJsonPrimitive) {
@@ -64,7 +69,9 @@ object LegacyItemConditionWrapperAdapter : JsonDeserializer<ItemPredicate>, Json
                 { id ->
                     if (isTag) {
                         val tag = TagKey.create(Registries.ITEM, id)
-                        builder.of(tag)
+                        registryAccess.lookup(Registries.ITEM)
+                            .map { builder.of(tag) }
+                            .orElseGet { builder }
                     } else {
                         BuiltInRegistries.ITEM.getOptional(id)
                             .map { builder.of(it) }
@@ -75,4 +82,4 @@ object LegacyItemConditionWrapperAdapter : JsonDeserializer<ItemPredicate>, Json
             )
     }
 
-}
+}

common/src/main/kotlin/com/cobblemon/mod/common/util/adapters/CodecBackedAdapter.kt

@@ -10,16 +10,19 @@ package com.cobblemon.mod.common.util.adapters
 
 import com.google.gson.*
 import com.mojang.serialization.Codec
+import com.mojang.serialization.JsonOps
+import net.minecraft.core.HolderLookup
+import net.minecraft.resources.RegistryOps
 import java.lang.reflect.Type
 
-class CodecBackedAdapter<T>(val codec: Codec<T>) : JsonDeserializer<T>, JsonSerializer<T> {
+class CodecBackedAdapter<T>(val codec: Codec<T>, val registryAccess: HolderLookup.Provider = RegistryAccessResolver.getAccess()) : JsonDeserializer<T>, JsonSerializer<T> {
 
     override fun deserialize(
         jElement: JsonElement,
         typeOfT: Type,
         context: JsonDeserializationContext
     ): T {
-        val ops = RegistryOpsProvider.getOpsWithDefaultFallback()
+        val ops = RegistryOps.create(JsonOps.INSTANCE, registryAccess)
         val result = ops.withDecoder(codec).apply(jElement)
         return result.result().orElseThrow {
             IllegalStateException("Failed to deserialize $jElement: ${result.error().orElse(null)}")
@@ -31,7 +34,7 @@ class CodecBackedAdapter<T>(val codec: Codec<T>) : JsonDeserializer<T>, JsonSeri
         typeOfSrc: Type?,
         context: JsonSerializationContext?
     ): JsonElement {
-        val ops = RegistryOpsProvider.getOpsWithDefaultFallback()
+        val ops = RegistryOps.create(JsonOps.INSTANCE, registryAccess)
         val result = ops.withEncoder(codec).apply(src)
         return result.result().orElseThrow {
             IllegalStateException("Failed to serialize $src: ${result.error().orElse(null)}")

common/src/main/kotlin/com/cobblemon/mod/common/util/adapters/RegistryOpsProvider.kt

@@ -15,27 +15,33 @@ import com.google.gson.JsonElement
 import com.mojang.serialization.DynamicOps
 import com.mojang.serialization.JsonOps
 import net.minecraft.client.Minecraft
+import net.minecraft.core.RegistryAccess
 import net.minecraft.resources.RegistryOps
 
 /**
- * Utility for obtaining RegistryOps with the correct client/server registry access.
- * Used when manually encoding/decoding registry-backed values (e.g., items, predicates).
+ * Utility for getting RegistryAccess with the correct client/server registry access.
+ * Used when as a fallback when manually encoding/decoding registry-backed values (e.g., items, predicates).
  */
-object RegistryOpsProvider {
-    fun getOpsWithDefaultFallback(): DynamicOps<JsonElement> {
+object RegistryAccessResolver {
+    fun getAccess(): RegistryAccess {
+        try {
+            Cobblemon.implementation
+        } catch (e: UninitializedPropertyAccessException) {
+            return RegistryAccess.EMPTY
+        }
         if (Cobblemon.implementation.environment() == Environment.CLIENT) {
             val minecraft = Minecraft.getInstance()
             if (minecraft != null && minecraft.level != null)
-                return RegistryOps.create(JsonOps.INSTANCE, minecraft.level!!.registryAccess())
+                return minecraft.level!!.registryAccess()
         }
 
 
         if (Cobblemon.implementation.environment() == Environment.SERVER) {
             val server = server()
             if (server != null)
-                return RegistryOps.create(JsonOps.INSTANCE, server.registryAccess())
+                return server.registryAccess()
         }
 
-        return JsonOps.INSTANCE
+        return RegistryAccess.EMPTY
     }
 }

fabric/src/main/kotlin/com/cobblemon/mod/fabric/CobblemonFabric.kt

@@ -59,7 +59,9 @@ import net.fabricmc.fabric.impl.resource.loader.ResourceManagerHelperImpl
 import net.fabricmc.loader.api.FabricLoader
 import net.minecraft.client.Minecraft
 import net.minecraft.commands.synchronization.ArgumentTypeInfo
+import net.minecraft.core.HolderLookup
 import net.minecraft.core.Registry
+import net.minecraft.core.RegistryAccess
 import net.minecraft.core.registries.BuiltInRegistries
 import net.minecraft.network.syncher.EntityDataSerializers
 import net.minecraft.resources.ResourceKey
@@ -345,8 +347,52 @@ object CobblemonFabric : CobblemonImplementation {
         }
     }
 
-    override fun registerResourceReloader(identifier: ResourceLocation, reloader: PreparableReloadListener, type: PackType, dependencies: Collection<ResourceLocation>) {
-        ResourceManagerHelper.get(type).registerReloadListener(CobblemonReloadListener(identifier, reloader, dependencies))
+    override fun registerResourceReloader(
+        identifier: ResourceLocation,
+        type: PackType,
+        dependencies: Collection<ResourceLocation>,
+        reloaderFactory: (HolderLookup.Provider) -> PreparableReloadListener
+    ) {
+        if (type == PackType.SERVER_DATA) {
+            val resourceLoader = ResourceManagerHelper.get(PackType.SERVER_DATA)
+            resourceLoader.registerReloadListener(identifier,  { object : IdentifiableResourceReloadListener {
+                override fun reload(
+                    synchronizer: PreparableReloadListener.PreparationBarrier,
+                    manager: ResourceManager,
+                    prepareProfiler: ProfilerFiller,
+                    applyProfiler: ProfilerFiller,
+                    prepareExecutor: Executor,
+                    applyExecutor: Executor
+                ): CompletableFuture<Void> {
+                    return reloaderFactory.invoke(it).reload(synchronizer,
+                        manager, prepareProfiler, applyProfiler,
+                        prepareExecutor, applyExecutor)
+                }
+
+                override fun getFabricId() = identifier
+
+            }})
+        }
+        else {
+            val resourceLoader = ResourceManagerHelper.get(PackType.CLIENT_RESOURCES)
+            resourceLoader.registerReloadListener(object : IdentifiableResourceReloadListener {
+                override fun reload(
+                    synchronizer: PreparableReloadListener.PreparationBarrier,
+                    manager: ResourceManager,
+                    prepareProfiler: ProfilerFiller,
+                    applyProfiler: ProfilerFiller,
+                    prepareExecutor: Executor,
+                    applyExecutor: Executor
+                ): CompletableFuture<Void> {
+                    return reloaderFactory.invoke(RegistryAccess.EMPTY).reload(synchronizer,
+                        manager, prepareProfiler, applyProfiler,
+                        prepareExecutor, applyExecutor)
+                }
+
+                override fun getFabricId() = identifier
+
+            })
+        }
     }
 
     override fun server(): MinecraftServer? = if (this.environment() == Environment.CLIENT) Minecraft.getInstance().singleplayerServer else this.server

neoforge/src/main/kotlin/com/cobblemon/mod/neoforge/CobblemonNeoForge.kt

@@ -38,6 +38,8 @@ import com.cobblemon.mod.neoforge.worldgen.CobblemonBiomeModifiers
 import com.mojang.brigadier.arguments.ArgumentType
 import net.minecraft.commands.synchronization.ArgumentTypeInfo
 import net.minecraft.commands.synchronization.ArgumentTypeInfos
+import net.minecraft.core.HolderLookup
+import net.minecraft.core.RegistryAccess
 import net.minecraft.core.registries.Registries
 import net.minecraft.resources.ResourceKey
 import net.minecraft.resources.ResourceLocation
@@ -92,11 +94,16 @@ import kotlin.reflect.KClass
 
 @Mod(Cobblemon.MODID)
 class CobblemonNeoForge : CobblemonImplementation {
+    private data class QueuedReloadListener(
+        val identifier: ResourceLocation,
+        val listener: (HolderLookup.Provider) -> PreparableReloadListener,
+        val dependencies: Collection<ResourceLocation>
+    )
     override val modAPI = ModAPI.NEOFORGE
     private val hasBeenSynced = hashSetOf<UUID>()
 
     private val commandArgumentTypes = DeferredRegister.create(Registries.COMMAND_ARGUMENT_TYPE, Cobblemon.MODID)
-    private val reloadableResources = arrayListOf<PreparableReloadListener>()
+    private val reloadableResources = arrayListOf<QueuedReloadListener>()
     private val queuedWork = arrayListOf<() -> Unit>()
 
     override val networkManager = CobblemonNeoForgeNetworkManager
@@ -438,13 +445,21 @@ class CobblemonNeoForge : CobblemonImplementation {
         }
     }
 
-    override fun registerResourceReloader(identifier: ResourceLocation, reloader: PreparableReloadListener, type: PackType, dependencies: Collection<ResourceLocation>) {
-        if (type == PackType.SERVER_DATA)
-            this.reloadableResources += reloader
+    override fun registerResourceReloader(
+        identifier: ResourceLocation,
+        type: PackType,
+        dependencies: Collection<ResourceLocation>,
+        reloaderFactory: (HolderLookup.Provider) -> PreparableReloadListener
+    ) {
+        if (type == PackType.SERVER_DATA) {
+            this.reloadableResources += QueuedReloadListener(identifier, reloaderFactory, dependencies)
+        }
     }
 
     private fun onReload(e: AddReloadListenerEvent) {
-        this.reloadableResources.forEach(e::addListener)
+        this.reloadableResources.forEach { queued ->
+            e.addListener(queued.listener.invoke(e.serverResources.registryLookup))
+        }
     }
 
     override fun server(): MinecraftServer? = ServerLifecycleHooks.getCurrentServer()