Code/net/minecraft/client/renderer/block/model/ItemTransform.java

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2025-07-01 06:20:03 +00:00
package net.minecraft.client.renderer.block.model;
import com.google.gson.JsonArray;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.mojang.blaze3d.vertex.PoseStack;
import java.lang.reflect.Type;
import net.minecraft.util.GsonHelper;
import net.minecraft.util.Mth;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
import org.joml.Quaternionf;
import org.joml.Vector3f;
import org.joml.Vector3fc;
@OnlyIn(Dist.CLIENT)
public record ItemTransform(Vector3fc rotation, Vector3fc translation, Vector3fc scale) {
public static final ItemTransform NO_TRANSFORM = new ItemTransform(new Vector3f(), new Vector3f(), new Vector3f(1.0F, 1.0F, 1.0F));
public void apply(boolean p_111764_, PoseStack.Pose p_397991_) {
if (this == NO_TRANSFORM) {
p_397991_.translate(-0.5F, -0.5F, -0.5F);
} else {
float f;
float f1;
float f2;
if (p_111764_) {
f = -this.translation.x();
f1 = -this.rotation.y();
f2 = -this.rotation.z();
} else {
f = this.translation.x();
f1 = this.rotation.y();
f2 = this.rotation.z();
}
p_397991_.translate(f, this.translation.y(), this.translation.z());
p_397991_.rotate(
new Quaternionf().rotationXYZ(this.rotation.x() * (float) (Math.PI / 180.0), f1 * (float) (Math.PI / 180.0), f2 * (float) (Math.PI / 180.0))
);
p_397991_.scale(this.scale.x(), this.scale.y(), this.scale.z());
p_397991_.translate(-0.5F, -0.5F, -0.5F);
}
}
@OnlyIn(Dist.CLIENT)
protected static class Deserializer implements JsonDeserializer<ItemTransform> {
private static final Vector3f DEFAULT_ROTATION = new Vector3f(0.0F, 0.0F, 0.0F);
private static final Vector3f DEFAULT_TRANSLATION = new Vector3f(0.0F, 0.0F, 0.0F);
private static final Vector3f DEFAULT_SCALE = new Vector3f(1.0F, 1.0F, 1.0F);
public static final float MAX_TRANSLATION = 5.0F;
public static final float MAX_SCALE = 4.0F;
public ItemTransform deserialize(JsonElement p_111775_, Type p_111776_, JsonDeserializationContext p_111777_) throws JsonParseException {
JsonObject jsonobject = p_111775_.getAsJsonObject();
Vector3f vector3f = this.getVector3f(jsonobject, "rotation", DEFAULT_ROTATION);
Vector3f vector3f1 = this.getVector3f(jsonobject, "translation", DEFAULT_TRANSLATION);
vector3f1.mul(0.0625F);
vector3f1.set(Mth.clamp(vector3f1.x, -5.0F, 5.0F), Mth.clamp(vector3f1.y, -5.0F, 5.0F), Mth.clamp(vector3f1.z, -5.0F, 5.0F));
Vector3f vector3f2 = this.getVector3f(jsonobject, "scale", DEFAULT_SCALE);
vector3f2.set(Mth.clamp(vector3f2.x, -4.0F, 4.0F), Mth.clamp(vector3f2.y, -4.0F, 4.0F), Mth.clamp(vector3f2.z, -4.0F, 4.0F));
return new ItemTransform(vector3f, vector3f1, vector3f2);
}
private Vector3f getVector3f(JsonObject p_111779_, String p_111780_, Vector3f p_253777_) {
if (!p_111779_.has(p_111780_)) {
return p_253777_;
} else {
JsonArray jsonarray = GsonHelper.getAsJsonArray(p_111779_, p_111780_);
if (jsonarray.size() != 3) {
throw new JsonParseException("Expected 3 " + p_111780_ + " values, found: " + jsonarray.size());
} else {
float[] afloat = new float[3];
for (int i = 0; i < afloat.length; i++) {
afloat[i] = GsonHelper.convertToFloat(jsonarray.get(i), p_111780_ + "[" + i + "]");
}
return new Vector3f(afloat[0], afloat[1], afloat[2]);
}
}
}
}
}