Code/net/minecraft/client/model/HoglinModel.java

package net.minecraft.client.model;

import java.util.Set;
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.LayerDefinition;
import net.minecraft.client.model.geom.builders.MeshDefinition;
import net.minecraft.client.model.geom.builders.MeshTransformer;
import net.minecraft.client.model.geom.builders.PartDefinition;
import net.minecraft.client.renderer.entity.state.HoglinRenderState;
import net.minecraft.util.Mth;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

@OnlyIn(Dist.CLIENT)
public class HoglinModel extends EntityModel<HoglinRenderState> {
    public static final MeshTransformer BABY_TRANSFORMER = new BabyModelTransform(true, 8.0F, 6.0F, 1.9F, 2.0F, 24.0F, Set.of("head"));
    private static final float DEFAULT_HEAD_X_ROT = 0.87266463F;
    private static final float ATTACK_HEAD_X_ROT_END = (float) (-Math.PI / 9);
    private final ModelPart head;
    private final ModelPart rightEar;
    private final ModelPart leftEar;
    private final ModelPart body;
    private final ModelPart rightFrontLeg;
    private final ModelPart leftFrontLeg;
    private final ModelPart rightHindLeg;
    private final ModelPart leftHindLeg;
    private final ModelPart mane;

    public HoglinModel(ModelPart p_170640_) {
        super(p_170640_);
        this.body = p_170640_.getChild("body");
        this.mane = this.body.getChild("mane");
        this.head = p_170640_.getChild("head");
        this.rightEar = this.head.getChild("right_ear");
        this.leftEar = this.head.getChild("left_ear");
        this.rightFrontLeg = p_170640_.getChild("right_front_leg");
        this.leftFrontLeg = p_170640_.getChild("left_front_leg");
        this.rightHindLeg = p_170640_.getChild("right_hind_leg");
        this.leftHindLeg = p_170640_.getChild("left_hind_leg");
    }

    private static MeshDefinition createMesh() {
        MeshDefinition meshdefinition = new MeshDefinition();
        PartDefinition partdefinition = meshdefinition.getRoot();
        PartDefinition partdefinition1 = partdefinition.addOrReplaceChild(
            "body", CubeListBuilder.create().texOffs(1, 1).addBox(-8.0F, -7.0F, -13.0F, 16.0F, 14.0F, 26.0F), PartPose.offset(0.0F, 7.0F, 0.0F)
        );
        partdefinition1.addOrReplaceChild(
            "mane",
            CubeListBuilder.create().texOffs(90, 33).addBox(0.0F, 0.0F, -9.0F, 0.0F, 10.0F, 19.0F, new CubeDeformation(0.001F)),
            PartPose.offset(0.0F, -14.0F, -7.0F)
        );
        PartDefinition partdefinition2 = partdefinition.addOrReplaceChild(
            "head",
            CubeListBuilder.create().texOffs(61, 1).addBox(-7.0F, -3.0F, -19.0F, 14.0F, 6.0F, 19.0F),
            PartPose.offsetAndRotation(0.0F, 2.0F, -12.0F, 0.87266463F, 0.0F, 0.0F)
        );
        partdefinition2.addOrReplaceChild(
            "right_ear",
            CubeListBuilder.create().texOffs(1, 1).addBox(-6.0F, -1.0F, -2.0F, 6.0F, 1.0F, 4.0F),
            PartPose.offsetAndRotation(-6.0F, -2.0F, -3.0F, 0.0F, 0.0F, (float) (-Math.PI * 2.0 / 9.0))
        );
        partdefinition2.addOrReplaceChild(
            "left_ear",
            CubeListBuilder.create().texOffs(1, 6).addBox(0.0F, -1.0F, -2.0F, 6.0F, 1.0F, 4.0F),
            PartPose.offsetAndRotation(6.0F, -2.0F, -3.0F, 0.0F, 0.0F, (float) (Math.PI * 2.0 / 9.0))
        );
        partdefinition2.addOrReplaceChild(
            "right_horn",
            CubeListBuilder.create().texOffs(10, 13).addBox(-1.0F, -11.0F, -1.0F, 2.0F, 11.0F, 2.0F),
            PartPose.offset(-7.0F, 2.0F, -12.0F)
        );
        partdefinition2.addOrReplaceChild(
            "left_horn",
            CubeListBuilder.create().texOffs(1, 13).addBox(-1.0F, -11.0F, -1.0F, 2.0F, 11.0F, 2.0F),
            PartPose.offset(7.0F, 2.0F, -12.0F)
        );
        int i = 14;
        int j = 11;
        partdefinition.addOrReplaceChild(
            "right_front_leg",
            CubeListBuilder.create().texOffs(66, 42).addBox(-3.0F, 0.0F, -3.0F, 6.0F, 14.0F, 6.0F),
            PartPose.offset(-4.0F, 10.0F, -8.5F)
        );
        partdefinition.addOrReplaceChild(
            "left_front_leg",
            CubeListBuilder.create().texOffs(41, 42).addBox(-3.0F, 0.0F, -3.0F, 6.0F, 14.0F, 6.0F),
            PartPose.offset(4.0F, 10.0F, -8.5F)
        );
        partdefinition.addOrReplaceChild(
            "right_hind_leg",
            CubeListBuilder.create().texOffs(21, 45).addBox(-2.5F, 0.0F, -2.5F, 5.0F, 11.0F, 5.0F),
            PartPose.offset(-5.0F, 13.0F, 10.0F)
        );
        partdefinition.addOrReplaceChild(
            "left_hind_leg",
            CubeListBuilder.create().texOffs(0, 45).addBox(-2.5F, 0.0F, -2.5F, 5.0F, 11.0F, 5.0F),
            PartPose.offset(5.0F, 13.0F, 10.0F)
        );
        return meshdefinition;
    }

    public static LayerDefinition createBodyLayer() {
        MeshDefinition meshdefinition = createMesh();
        return LayerDefinition.create(meshdefinition, 128, 64);
    }

    public static LayerDefinition createBabyLayer() {
        MeshDefinition meshdefinition = createMesh();
        PartDefinition partdefinition = meshdefinition.getRoot().getChild("body");
        partdefinition.addOrReplaceChild(
            "mane",
            CubeListBuilder.create().texOffs(90, 33).addBox(0.0F, 0.0F, -9.0F, 0.0F, 10.0F, 19.0F, new CubeDeformation(0.001F)),
            PartPose.offset(0.0F, -14.0F, -3.0F)
        );
        return LayerDefinition.create(meshdefinition, 128, 64).apply(BABY_TRANSFORMER);
    }

    public void setupAnim(HoglinRenderState p_363817_) {
        super.setupAnim(p_363817_);
        float f = p_363817_.walkAnimationSpeed;
        float f1 = p_363817_.walkAnimationPos;
        this.rightEar.zRot = (float) (-Math.PI * 2.0 / 9.0) - f * Mth.sin(f1);
        this.leftEar.zRot = (float) (Math.PI * 2.0 / 9.0) + f * Mth.sin(f1);
        this.head.yRot = p_363817_.yRot * (float) (Math.PI / 180.0);
        float f2 = 1.0F - Mth.abs(10 - 2 * p_363817_.attackAnimationRemainingTicks) / 10.0F;
        this.head.xRot = Mth.lerp(f2, 0.87266463F, (float) (-Math.PI / 9));
        if (p_363817_.isBaby) {
            this.head.y += f2 * 2.5F;
        }

        float f3 = 1.2F;
        this.rightFrontLeg.xRot = Mth.cos(f1) * 1.2F * f;
        this.leftFrontLeg.xRot = Mth.cos(f1 + (float) Math.PI) * 1.2F * f;
        this.rightHindLeg.xRot = this.leftFrontLeg.xRot;
        this.leftHindLeg.xRot = this.rightFrontLeg.xRot;
    }
}