src/game/java/net/minecraft/client/model/AbstractPiglinModel.java

package net.minecraft.client.model;

import net.minecraft.client.model.geom.ModelPart;
import net.minecraft.client.model.geom.PartPose;
import net.minecraft.client.model.geom.builders.CubeDeformation;
import net.minecraft.client.model.geom.builders.CubeListBuilder;
import net.minecraft.client.model.geom.builders.MeshDefinition;
import net.minecraft.client.model.geom.builders.PartDefinition;
import net.minecraft.client.renderer.RenderType;
import net.minecraft.client.renderer.entity.state.HumanoidRenderState;
import net.minecraft.util.Mth;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

@OnlyIn(Dist.CLIENT)
public class AbstractPiglinModel<S extends HumanoidRenderState> extends HumanoidModel<S> {
    private static final String LEFT_SLEEVE = "left_sleeve";
    private static final String RIGHT_SLEEVE = "right_sleeve";
    private static final String LEFT_PANTS = "left_pants";
    private static final String RIGHT_PANTS = "right_pants";
    public final ModelPart leftSleeve = this.leftArm.getChild("left_sleeve");
    public final ModelPart rightSleeve = this.rightArm.getChild("right_sleeve");
    public final ModelPart leftPants = this.leftLeg.getChild("left_pants");
    public final ModelPart rightPants = this.rightLeg.getChild("right_pants");
    public final ModelPart jacket = this.body.getChild("jacket");
    public final ModelPart rightEar = this.head.getChild("right_ear");
    public final ModelPart leftEar = this.head.getChild("left_ear");

    public AbstractPiglinModel(ModelPart p_369736_) {
        super(p_369736_, RenderType::entityTranslucent);
    }

    public static MeshDefinition createMesh(CubeDeformation p_365542_) {
        MeshDefinition meshdefinition = PlayerModel.createMesh(p_365542_, false);
        PartDefinition partdefinition = meshdefinition.getRoot();
        partdefinition.addOrReplaceChild(
            "body", CubeListBuilder.create().texOffs(16, 16).addBox(-4.0F, 0.0F, -2.0F, 8.0F, 12.0F, 4.0F, p_365542_), PartPose.ZERO
        );
        PartDefinition partdefinition1 = addHead(p_365542_, meshdefinition);
        partdefinition1.clearChild("hat");
        return meshdefinition;
    }

    public static PartDefinition addHead(CubeDeformation p_368080_, MeshDefinition p_363060_) {
        PartDefinition partdefinition = p_363060_.getRoot();
        PartDefinition partdefinition1 = partdefinition.addOrReplaceChild(
            "head",
            CubeListBuilder.create()
                .texOffs(0, 0)
                .addBox(-5.0F, -8.0F, -4.0F, 10.0F, 8.0F, 8.0F, p_368080_)
                .texOffs(31, 1)
                .addBox(-2.0F, -4.0F, -5.0F, 4.0F, 4.0F, 1.0F, p_368080_)
                .texOffs(2, 4)
                .addBox(2.0F, -2.0F, -5.0F, 1.0F, 2.0F, 1.0F, p_368080_)
                .texOffs(2, 0)
                .addBox(-3.0F, -2.0F, -5.0F, 1.0F, 2.0F, 1.0F, p_368080_),
            PartPose.ZERO
        );
        partdefinition1.addOrReplaceChild(
            "left_ear",
            CubeListBuilder.create().texOffs(51, 6).addBox(0.0F, 0.0F, -2.0F, 1.0F, 5.0F, 4.0F, p_368080_),
            PartPose.offsetAndRotation(4.5F, -6.0F, 0.0F, 0.0F, 0.0F, (float) (-Math.PI / 6))
        );
        partdefinition1.addOrReplaceChild(
            "right_ear",
            CubeListBuilder.create().texOffs(39, 6).addBox(-1.0F, 0.0F, -2.0F, 1.0F, 5.0F, 4.0F, p_368080_),
            PartPose.offsetAndRotation(-4.5F, -6.0F, 0.0F, 0.0F, 0.0F, (float) (Math.PI / 6))
        );
        return partdefinition1;
    }

    @Override
    public void setupAnim(S p_366962_) {
        super.setupAnim(p_366962_);
        float f = p_366962_.walkAnimationPos;
        float f1 = p_366962_.walkAnimationSpeed;
        float f2 = (float) (Math.PI / 6);
        float f3 = p_366962_.ageInTicks * 0.1F + f * 0.5F;
        float f4 = 0.08F + f1 * 0.4F;
        this.leftEar.zRot = (float) (-Math.PI / 6) - Mth.cos(f3 * 1.2F) * f4;
        this.rightEar.zRot = (float) (Math.PI / 6) + Mth.cos(f3) * f4;
    }

    @Override
    public void setAllVisible(boolean p_367203_) {
        super.setAllVisible(p_367203_);
        this.leftSleeve.visible = p_367203_;
        this.rightSleeve.visible = p_367203_;
        this.leftPants.visible = p_367203_;
        this.rightPants.visible = p_367203_;
        this.jacket.visible = p_367203_;
    }
}