package net.minecraft.client.model.animal.llama;

import net.minecraft.client.model.EntityModel;
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.PartDefinition;
import net.minecraft.client.renderer.entity.state.LlamaRenderState;
import net.minecraft.util.Mth;

public class LlamaModel extends EntityModel<LlamaRenderState> {
	private final ModelPart head;
	private final ModelPart rightHindLeg;
	private final ModelPart leftHindLeg;
	private final ModelPart rightFrontLeg;
	private final ModelPart leftFrontLeg;
	private final ModelPart rightChest;
	private final ModelPart leftChest;

	public LlamaModel(final ModelPart root) {
		super(root);
		this.head = root.getChild("head");
		this.rightChest = root.getChild("right_chest");
		this.leftChest = root.getChild("left_chest");
		this.rightHindLeg = root.getChild("right_hind_leg");
		this.leftHindLeg = root.getChild("left_hind_leg");
		this.rightFrontLeg = root.getChild("right_front_leg");
		this.leftFrontLeg = root.getChild("left_front_leg");
	}

	public static LayerDefinition createBodyLayer(final CubeDeformation g) {
		MeshDefinition mesh = new MeshDefinition();
		PartDefinition root = mesh.getRoot();
		root.addOrReplaceChild(
			"head",
			CubeListBuilder.create()
				.texOffs(0, 0)
				.addBox(-2.0F, -14.0F, -10.0F, 4.0F, 4.0F, 9.0F, g)
				.texOffs(0, 14)
				.addBox("neck", -4.0F, -16.0F, -6.0F, 8.0F, 18.0F, 6.0F, g)
				.texOffs(17, 0)
				.addBox("ear", -4.0F, -19.0F, -4.0F, 3.0F, 3.0F, 2.0F, g)
				.texOffs(17, 0)
				.addBox("ear", 1.0F, -19.0F, -4.0F, 3.0F, 3.0F, 2.0F, g),
			PartPose.offset(0.0F, 7.0F, -6.0F)
		);
		root.addOrReplaceChild(
			"body",
			CubeListBuilder.create().texOffs(29, 0).addBox(-6.0F, -10.0F, -7.0F, 12.0F, 18.0F, 10.0F, g),
			PartPose.offsetAndRotation(0.0F, 5.0F, 2.0F, (float) (Math.PI / 2), 0.0F, 0.0F)
		);
		root.addOrReplaceChild(
			"right_chest",
			CubeListBuilder.create().texOffs(45, 28).addBox(-3.0F, 0.0F, 0.0F, 8.0F, 8.0F, 3.0F, g),
			PartPose.offsetAndRotation(-8.5F, 3.0F, 3.0F, 0.0F, (float) (Math.PI / 2), 0.0F)
		);
		root.addOrReplaceChild(
			"left_chest",
			CubeListBuilder.create().texOffs(45, 41).addBox(-3.0F, 0.0F, 0.0F, 8.0F, 8.0F, 3.0F, g),
			PartPose.offsetAndRotation(5.5F, 3.0F, 3.0F, 0.0F, (float) (Math.PI / 2), 0.0F)
		);
		int legWidth = 4;
		int legHeight = 14;
		CubeListBuilder leg = CubeListBuilder.create().texOffs(29, 29).addBox(-2.0F, 0.0F, -2.0F, 4.0F, 14.0F, 4.0F, g);
		root.addOrReplaceChild("right_hind_leg", leg, PartPose.offset(-3.5F, 10.0F, 6.0F));
		root.addOrReplaceChild("left_hind_leg", leg, PartPose.offset(3.5F, 10.0F, 6.0F));
		root.addOrReplaceChild("right_front_leg", leg, PartPose.offset(-3.5F, 10.0F, -5.0F));
		root.addOrReplaceChild("left_front_leg", leg, PartPose.offset(3.5F, 10.0F, -5.0F));
		return LayerDefinition.create(mesh, 128, 64);
	}

	public void setupAnim(final LlamaRenderState state) {
		super.setupAnim(state);
		this.head.xRot = state.xRot * (float) (Math.PI / 180.0);
		this.head.yRot = state.yRot * (float) (Math.PI / 180.0);
		float animationSpeed = state.walkAnimationSpeed;
		float animationPos = state.walkAnimationPos;
		this.rightHindLeg.xRot = Mth.cos(animationPos * 0.6662F) * 1.4F * animationSpeed;
		this.leftHindLeg.xRot = Mth.cos(animationPos * 0.6662F + (float) Math.PI) * 1.4F * animationSpeed;
		this.rightFrontLeg.xRot = Mth.cos(animationPos * 0.6662F + (float) Math.PI) * 1.4F * animationSpeed;
		this.leftFrontLeg.xRot = Mth.cos(animationPos * 0.6662F) * 1.4F * animationSpeed;
		this.rightChest.visible = state.hasChest;
		this.leftChest.visible = state.hasChest;
	}
}