minecraft-src/net/minecraft/client/resources/model/ModelDiscovery.java
2025-07-04 03:45:38 +03:00

251 lines
9 KiB
Java

package net.minecraft.client.resources.model;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableMap.Builder;
import com.mojang.logging.LogUtils;
import it.unimi.dsi.fastutil.objects.Object2ObjectFunction;
import it.unimi.dsi.fastutil.objects.Object2ObjectMap;
import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Queue;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicReferenceArray;
import java.util.function.Function;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.renderer.block.model.ItemTransforms;
import net.minecraft.client.renderer.block.model.TextureSlots;
import net.minecraft.client.renderer.texture.TextureAtlasSprite;
import net.minecraft.resources.ResourceLocation;
import org.jetbrains.annotations.Nullable;
import org.slf4j.Logger;
@Environment(EnvType.CLIENT)
public class ModelDiscovery {
private static final Logger LOGGER = LogUtils.getLogger();
private final Object2ObjectMap<ResourceLocation, ModelDiscovery.ModelWrapper> modelWrappers = new Object2ObjectOpenHashMap<>();
private final ModelDiscovery.ModelWrapper missingModel;
private final Object2ObjectFunction<ResourceLocation, ModelDiscovery.ModelWrapper> uncachedResolver;
private final ResolvableModel.Resolver resolver;
private final Queue<ModelDiscovery.ModelWrapper> parentDiscoveryQueue = new ArrayDeque();
public ModelDiscovery(Map<ResourceLocation, UnbakedModel> inputModels, UnbakedModel missingModel) {
this.missingModel = new ModelDiscovery.ModelWrapper(MissingBlockModel.LOCATION, missingModel, true);
this.modelWrappers.put(MissingBlockModel.LOCATION, this.missingModel);
this.uncachedResolver = object -> {
ResourceLocation resourceLocation = (ResourceLocation)object;
UnbakedModel unbakedModel = (UnbakedModel)inputModels.get(resourceLocation);
if (unbakedModel == null) {
LOGGER.warn("Missing block model: {}", resourceLocation);
return this.missingModel;
} else {
return this.createAndQueueWrapper(resourceLocation, unbakedModel);
}
};
this.resolver = this::getOrCreateModel;
}
private static boolean isRoot(UnbakedModel model) {
return model.parent() == null;
}
private ModelDiscovery.ModelWrapper getOrCreateModel(ResourceLocation location) {
return this.modelWrappers.computeIfAbsent(location, this.uncachedResolver);
}
private ModelDiscovery.ModelWrapper createAndQueueWrapper(ResourceLocation id, UnbakedModel model) {
boolean bl = isRoot(model);
ModelDiscovery.ModelWrapper modelWrapper = new ModelDiscovery.ModelWrapper(id, model, bl);
if (!bl) {
this.parentDiscoveryQueue.add(modelWrapper);
}
return modelWrapper;
}
public void addRoot(ResolvableModel model) {
model.resolveDependencies(this.resolver);
}
public void addSpecialModel(ResourceLocation id, UnbakedModel model) {
if (!isRoot(model)) {
LOGGER.warn("Trying to add non-root special model {}, ignoring", id);
} else {
ModelDiscovery.ModelWrapper modelWrapper = this.modelWrappers.put(id, this.createAndQueueWrapper(id, model));
if (modelWrapper != null) {
LOGGER.warn("Duplicate special model {}", id);
}
}
}
public ResolvedModel missingModel() {
return this.missingModel;
}
public Map<ResourceLocation, ResolvedModel> resolve() {
List<ModelDiscovery.ModelWrapper> list = new ArrayList();
this.discoverDependencies(list);
propagateValidity(list);
Builder<ResourceLocation, ResolvedModel> builder = ImmutableMap.builder();
this.modelWrappers.forEach((resourceLocation, modelWrapper) -> {
if (modelWrapper.valid) {
builder.put(resourceLocation, modelWrapper);
} else {
LOGGER.warn("Model {} ignored due to cyclic dependency", resourceLocation);
}
});
return builder.build();
}
private void discoverDependencies(List<ModelDiscovery.ModelWrapper> wrappers) {
ModelDiscovery.ModelWrapper modelWrapper;
while ((modelWrapper = (ModelDiscovery.ModelWrapper)this.parentDiscoveryQueue.poll()) != null) {
ResourceLocation resourceLocation = (ResourceLocation)Objects.requireNonNull(modelWrapper.wrapped.parent());
ModelDiscovery.ModelWrapper modelWrapper2 = this.getOrCreateModel(resourceLocation);
modelWrapper.parent = modelWrapper2;
if (modelWrapper2.valid) {
modelWrapper.valid = true;
} else {
wrappers.add(modelWrapper);
}
}
}
private static void propagateValidity(List<ModelDiscovery.ModelWrapper> wrappers) {
boolean bl = true;
while (bl) {
bl = false;
Iterator<ModelDiscovery.ModelWrapper> iterator = wrappers.iterator();
while (iterator.hasNext()) {
ModelDiscovery.ModelWrapper modelWrapper = (ModelDiscovery.ModelWrapper)iterator.next();
if (((ModelDiscovery.ModelWrapper)Objects.requireNonNull(modelWrapper.parent)).valid) {
modelWrapper.valid = true;
iterator.remove();
bl = true;
}
}
}
}
@Environment(EnvType.CLIENT)
static class ModelWrapper implements ResolvedModel {
private static final ModelDiscovery.Slot<Boolean> KEY_AMBIENT_OCCLUSION = slot(0);
private static final ModelDiscovery.Slot<UnbakedModel.GuiLight> KEY_GUI_LIGHT = slot(1);
private static final ModelDiscovery.Slot<UnbakedGeometry> KEY_GEOMETRY = slot(2);
private static final ModelDiscovery.Slot<ItemTransforms> KEY_TRANSFORMS = slot(3);
private static final ModelDiscovery.Slot<TextureSlots> KEY_TEXTURE_SLOTS = slot(4);
private static final ModelDiscovery.Slot<TextureAtlasSprite> KEY_PARTICLE_SPRITE = slot(5);
private static final ModelDiscovery.Slot<QuadCollection> KEY_DEFAULT_GEOMETRY = slot(6);
private static final int SLOT_COUNT = 7;
private final ResourceLocation id;
boolean valid;
@Nullable
ModelDiscovery.ModelWrapper parent;
final UnbakedModel wrapped;
private final AtomicReferenceArray<Object> fixedSlots = new AtomicReferenceArray(7);
private final Map<ModelState, QuadCollection> modelBakeCache = new ConcurrentHashMap();
private static <T> ModelDiscovery.Slot<T> slot(int index) {
Objects.checkIndex(index, 7);
return new ModelDiscovery.Slot<>(index);
}
ModelWrapper(ResourceLocation id, UnbakedModel wrapped, boolean valid) {
this.id = id;
this.wrapped = wrapped;
this.valid = valid;
}
@Override
public UnbakedModel wrapped() {
return this.wrapped;
}
@Nullable
@Override
public ResolvedModel parent() {
return this.parent;
}
@Override
public String debugName() {
return this.id.toString();
}
@Nullable
private <T> T getSlot(ModelDiscovery.Slot<T> slot) {
return (T)this.fixedSlots.get(slot.index);
}
private <T> T updateSlot(ModelDiscovery.Slot<T> slot, T value) {
T object = (T)this.fixedSlots.compareAndExchange(slot.index, null, value);
return object == null ? value : object;
}
private <T> T getSimpleProperty(ModelDiscovery.Slot<T> slot, Function<ResolvedModel, T> propertyGetter) {
T object = this.getSlot(slot);
return object != null ? object : this.updateSlot(slot, (T)propertyGetter.apply(this));
}
@Override
public boolean getTopAmbientOcclusion() {
return this.getSimpleProperty(KEY_AMBIENT_OCCLUSION, ResolvedModel::findTopAmbientOcclusion);
}
@Override
public UnbakedModel.GuiLight getTopGuiLight() {
return this.getSimpleProperty(KEY_GUI_LIGHT, ResolvedModel::findTopGuiLight);
}
@Override
public ItemTransforms getTopTransforms() {
return this.getSimpleProperty(KEY_TRANSFORMS, ResolvedModel::findTopTransforms);
}
@Override
public UnbakedGeometry getTopGeometry() {
return this.getSimpleProperty(KEY_GEOMETRY, ResolvedModel::findTopGeometry);
}
@Override
public TextureSlots getTopTextureSlots() {
return this.getSimpleProperty(KEY_TEXTURE_SLOTS, ResolvedModel::findTopTextureSlots);
}
@Override
public TextureAtlasSprite resolveParticleSprite(TextureSlots textureSlots, ModelBaker modelBaker) {
TextureAtlasSprite textureAtlasSprite = this.getSlot(KEY_PARTICLE_SPRITE);
return textureAtlasSprite != null
? textureAtlasSprite
: this.updateSlot(KEY_PARTICLE_SPRITE, ResolvedModel.resolveParticleSprite(textureSlots, modelBaker, this));
}
private QuadCollection bakeDefaultState(TextureSlots textureSlots, ModelBaker modelBaker, ModelState modelState) {
QuadCollection quadCollection = this.getSlot(KEY_DEFAULT_GEOMETRY);
return quadCollection != null
? quadCollection
: this.updateSlot(KEY_DEFAULT_GEOMETRY, this.getTopGeometry().bake(textureSlots, modelBaker, modelState, this));
}
@Override
public QuadCollection bakeTopGeometry(TextureSlots textureSlots, ModelBaker modelBaker, ModelState modelState) {
return modelState == BlockModelRotation.X0_Y0
? this.bakeDefaultState(textureSlots, modelBaker, modelState)
: (QuadCollection)this.modelBakeCache.computeIfAbsent(modelState, modelStatex -> {
UnbakedGeometry unbakedGeometry = this.getTopGeometry();
return unbakedGeometry.bake(textureSlots, modelBaker, modelStatex, this);
});
}
}
@Environment(EnvType.CLIENT)
record Slot<T>(int index) {
}
}