89 lines
3.8 KiB
Java
89 lines
3.8 KiB
Java
package net.minecraft.client.renderer.item;
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import com.mojang.serialization.MapCodec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import net.fabricmc.api.EnvType;
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import net.fabricmc.api.Environment;
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import net.minecraft.client.multiplayer.CacheSlot;
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import net.minecraft.client.multiplayer.ClientLevel;
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import net.minecraft.client.renderer.item.properties.conditional.ConditionalItemModelProperties;
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import net.minecraft.client.renderer.item.properties.conditional.ConditionalItemModelProperty;
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import net.minecraft.client.renderer.item.properties.conditional.ItemModelPropertyTest;
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import net.minecraft.client.resources.model.ResolvableModel;
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import net.minecraft.util.RegistryContextSwapper;
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import net.minecraft.world.entity.LivingEntity;
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import net.minecraft.world.item.ItemDisplayContext;
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import net.minecraft.world.item.ItemStack;
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import org.jetbrains.annotations.Nullable;
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@Environment(EnvType.CLIENT)
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public class ConditionalItemModel implements ItemModel {
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private final ItemModelPropertyTest property;
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private final ItemModel onTrue;
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private final ItemModel onFalse;
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public ConditionalItemModel(ItemModelPropertyTest property, ItemModel onTrue, ItemModel onFalse) {
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this.property = property;
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this.onTrue = onTrue;
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this.onFalse = onFalse;
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}
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@Override
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public void update(
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ItemStackRenderState renderState,
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ItemStack stack,
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ItemModelResolver itemModelResolver,
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ItemDisplayContext displayContext,
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@Nullable ClientLevel level,
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@Nullable LivingEntity entity,
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int seed
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) {
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renderState.appendModelIdentityElement(this);
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(this.property.get(stack, level, entity, seed, displayContext) ? this.onTrue : this.onFalse)
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.update(renderState, stack, itemModelResolver, displayContext, level, entity, seed);
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}
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@Environment(EnvType.CLIENT)
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public record Unbaked(ConditionalItemModelProperty property, ItemModel.Unbaked onTrue, ItemModel.Unbaked onFalse) implements ItemModel.Unbaked {
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public static final MapCodec<ConditionalItemModel.Unbaked> MAP_CODEC = RecordCodecBuilder.mapCodec(
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instance -> instance.group(
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ConditionalItemModelProperties.MAP_CODEC.forGetter(ConditionalItemModel.Unbaked::property),
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ItemModels.CODEC.fieldOf("on_true").forGetter(ConditionalItemModel.Unbaked::onTrue),
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ItemModels.CODEC.fieldOf("on_false").forGetter(ConditionalItemModel.Unbaked::onFalse)
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)
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.apply(instance, ConditionalItemModel.Unbaked::new)
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);
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@Override
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public MapCodec<ConditionalItemModel.Unbaked> type() {
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return MAP_CODEC;
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}
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@Override
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public ItemModel bake(ItemModel.BakingContext context) {
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return new ConditionalItemModel(this.adaptProperty(this.property, context.contextSwapper()), this.onTrue.bake(context), this.onFalse.bake(context));
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}
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private ItemModelPropertyTest adaptProperty(ConditionalItemModelProperty property, @Nullable RegistryContextSwapper contextSwapper) {
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if (contextSwapper == null) {
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return property;
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} else {
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CacheSlot<ClientLevel, ItemModelPropertyTest> cacheSlot = new CacheSlot<>(clientLevel -> swapContext(property, contextSwapper, clientLevel));
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return (itemStack, clientLevel, livingEntity, i, itemDisplayContext) -> {
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ItemModelPropertyTest itemModelPropertyTest = (ItemModelPropertyTest)(clientLevel == null ? property : cacheSlot.compute(clientLevel));
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return itemModelPropertyTest.get(itemStack, clientLevel, livingEntity, i, itemDisplayContext);
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};
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}
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}
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private static <T extends ConditionalItemModelProperty> T swapContext(T property, RegistryContextSwapper contextSwapper, ClientLevel level) {
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return (T)contextSwapper.swapTo(property.type().codec(), property, level.registryAccess()).result().orElse(property);
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}
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@Override
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public void resolveDependencies(ResolvableModel.Resolver resolver) {
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this.onTrue.resolveDependencies(resolver);
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this.onFalse.resolveDependencies(resolver);
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}
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}
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}
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