fix: resolving of custom block textures

src/test/kotlin/testutil/ItemResources.kt

@@ -24,7 +24,7 @@ object ItemResources {
 	}
 
 	fun loadSNbt(path: String): NbtCompound {
-		return StringNbtReader.parse(loadString(path))
+		return StringNbtReader.readCompound(loadString(path))
 	}
 	fun getNbtOps(): RegistryOps<NbtElement> = MC.currentOrDefaultRegistries.getOps(NbtOps.INSTANCE)
 

src/texturePacks/java/moe/nea/firmament/features/texturepack/CustomBlockTextures.kt

@@ -23,6 +23,7 @@ import net.minecraft.block.Block
 import net.minecraft.block.BlockState
 import net.minecraft.client.render.model.Baker
 import net.minecraft.client.render.model.BlockStateModel
+import net.minecraft.client.render.model.ReferencedModelsCollector
 import net.minecraft.client.render.model.SimpleBlockStateModel
 import net.minecraft.client.render.model.json.ModelVariant
 import net.minecraft.registry.RegistryKey
@@ -308,6 +309,19 @@ object CustomBlockTextures {
 		})
 	}
 
+	fun simpleBlockModel(blockId: Identifier): SimpleBlockStateModel.Unbaked {
+		// TODO: does this need to be shared between resolving and baking? I think not, but it would probably be wise to do so in the future.
+		return SimpleBlockStateModel.Unbaked(
+			ModelVariant(blockId)
+		)
+	}
+
+	@JvmStatic
+	fun collectExtraModels(modelsCollector: ReferencedModelsCollector) {
+		preparationFuture.join().collectAllReplacements()
+			.forEach { modelsCollector.resolve(simpleBlockModel(it.blockModelIdentifier)) }
+	}
+
 	@JvmStatic
 	fun createBakedModels(baker: Baker, executor: Executor): CompletableFuture<Void?> {
 		return preparationFuture.thenComposeAsync(Function { replacements ->
@@ -315,7 +329,7 @@ object CustomBlockTextures {
 			val modelBakingTask = AsyncHelper.mapValues(byModel, { blockId, replacements ->
 				val unbakedModel = SimpleBlockStateModel.Unbaked(
 					ModelVariant(blockId)
-				) // TODO: do i need to resolve models here? Maybe this needs to be resolved earlier before baking.
+				)
 				val baked = unbakedModel.bake(baker)
 				replacements.forEach {
 					it.blockModel = baked

src/texturePacks/java/moe/nea/firmament/mixins/custommodels/InsertExtraBlockModelDependencies.java

@@ -0,0 +1,28 @@
+package moe.nea.firmament.mixins.custommodels;
+
+import com.llamalad7.mixinextras.sugar.Local;
+import moe.nea.firmament.features.texturepack.CustomBlockTextures;
+import net.minecraft.client.item.ItemAssetsLoader;
+import net.minecraft.client.render.model.BakedModelManager;
+import net.minecraft.client.render.model.BlockStatesLoader;
+import net.minecraft.client.render.model.ReferencedModelsCollector;
+import net.minecraft.client.render.model.UnbakedModel;
+import net.minecraft.util.Identifier;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+import java.util.Map;
+
+@Mixin(BakedModelManager.class)
+public class InsertExtraBlockModelDependencies {
+	@Inject(method = "collect", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/render/model/ReferencedModelsCollector;addSpecialModel(Lnet/minecraft/util/Identifier;Lnet/minecraft/client/render/model/UnbakedModel;)V", shift = At.Shift.AFTER))
+	private static void insertExtraModels(
+		Map<Identifier, UnbakedModel> modelMap,
+		BlockStatesLoader.LoadedModels stateDefinition,
+		ItemAssetsLoader.Result result,
+		CallbackInfoReturnable cir, @Local ReferencedModelsCollector modelsCollector) {
+		CustomBlockTextures.collectExtraModels(modelsCollector);
+	}
+}