minecraft-src/net/minecraft/client/renderer/item/RangeSelectItemModel.java
2025-07-04 03:15:13 +03:00

134 lines
4.9 KiB
Java

package net.minecraft.client.renderer.item;
import com.mojang.serialization.Codec;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import java.util.Optional;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.multiplayer.ClientLevel;
import net.minecraft.client.renderer.item.properties.numeric.RangeSelectItemModelProperties;
import net.minecraft.client.renderer.item.properties.numeric.RangeSelectItemModelProperty;
import net.minecraft.client.resources.model.ResolvableModel;
import net.minecraft.world.entity.LivingEntity;
import net.minecraft.world.item.ItemDisplayContext;
import net.minecraft.world.item.ItemStack;
import org.jetbrains.annotations.Nullable;
@Environment(EnvType.CLIENT)
public class RangeSelectItemModel implements ItemModel {
private static final int LINEAR_SEARCH_THRESHOLD = 16;
private final RangeSelectItemModelProperty property;
private final float scale;
private final float[] thresholds;
private final ItemModel[] models;
private final ItemModel fallback;
RangeSelectItemModel(RangeSelectItemModelProperty property, float scale, float[] thresholds, ItemModel[] models, ItemModel fallback) {
this.property = property;
this.thresholds = thresholds;
this.models = models;
this.fallback = fallback;
this.scale = scale;
}
private static int lastIndexLessOrEqual(float[] thresholds, float value) {
if (thresholds.length < 16) {
for (int i = 0; i < thresholds.length; i++) {
if (thresholds[i] > value) {
return i - 1;
}
}
return thresholds.length - 1;
} else {
int ix = Arrays.binarySearch(thresholds, value);
if (ix < 0) {
int j = ~ix;
return j - 1;
} else {
return ix;
}
}
}
@Override
public void update(
ItemStackRenderState renderState,
ItemStack stack,
ItemModelResolver itemModelResolver,
ItemDisplayContext displayContext,
@Nullable ClientLevel level,
@Nullable LivingEntity entity,
int seed
) {
float f = this.property.get(stack, level, entity, seed) * this.scale;
ItemModel itemModel;
if (Float.isNaN(f)) {
itemModel = this.fallback;
} else {
int i = lastIndexLessOrEqual(this.thresholds, f);
itemModel = i == -1 ? this.fallback : this.models[i];
}
itemModel.update(renderState, stack, itemModelResolver, displayContext, level, entity, seed);
}
@Environment(EnvType.CLIENT)
public record Entry(float threshold, ItemModel.Unbaked model) {
public static final Codec<RangeSelectItemModel.Entry> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
Codec.FLOAT.fieldOf("threshold").forGetter(RangeSelectItemModel.Entry::threshold),
ItemModels.CODEC.fieldOf("model").forGetter(RangeSelectItemModel.Entry::model)
)
.apply(instance, RangeSelectItemModel.Entry::new)
);
public static final Comparator<RangeSelectItemModel.Entry> BY_THRESHOLD = Comparator.comparingDouble(RangeSelectItemModel.Entry::threshold);
}
@Environment(EnvType.CLIENT)
public record Unbaked(RangeSelectItemModelProperty property, float scale, List<RangeSelectItemModel.Entry> entries, Optional<ItemModel.Unbaked> fallback)
implements ItemModel.Unbaked {
public static final MapCodec<RangeSelectItemModel.Unbaked> MAP_CODEC = RecordCodecBuilder.mapCodec(
instance -> instance.group(
RangeSelectItemModelProperties.MAP_CODEC.forGetter(RangeSelectItemModel.Unbaked::property),
Codec.FLOAT.optionalFieldOf("scale", 1.0F).forGetter(RangeSelectItemModel.Unbaked::scale),
RangeSelectItemModel.Entry.CODEC.listOf().fieldOf("entries").forGetter(RangeSelectItemModel.Unbaked::entries),
ItemModels.CODEC.optionalFieldOf("fallback").forGetter(RangeSelectItemModel.Unbaked::fallback)
)
.apply(instance, RangeSelectItemModel.Unbaked::new)
);
@Override
public MapCodec<RangeSelectItemModel.Unbaked> type() {
return MAP_CODEC;
}
@Override
public ItemModel bake(ItemModel.BakingContext context) {
float[] fs = new float[this.entries.size()];
ItemModel[] itemModels = new ItemModel[this.entries.size()];
List<RangeSelectItemModel.Entry> list = new ArrayList(this.entries);
list.sort(RangeSelectItemModel.Entry.BY_THRESHOLD);
for (int i = 0; i < list.size(); i++) {
RangeSelectItemModel.Entry entry = (RangeSelectItemModel.Entry)list.get(i);
fs[i] = entry.threshold;
itemModels[i] = entry.model.bake(context);
}
ItemModel itemModel = (ItemModel)this.fallback.map(unbaked -> unbaked.bake(context)).orElse(context.missingItemModel());
return new RangeSelectItemModel(this.property, this.scale, fs, itemModels, itemModel);
}
@Override
public void resolveDependencies(ResolvableModel.Resolver resolver) {
this.fallback.ifPresent(unbaked -> unbaked.resolveDependencies(resolver));
this.entries.forEach(entry -> entry.model.resolveDependencies(resolver));
}
}
}