package net.minecraft.client.model.monster.creeper;

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.CreeperRenderState;
import net.minecraft.util.Mth;

public class CreeperModel extends EntityModel<CreeperRenderState> {
	private final ModelPart head;
	private final ModelPart rightHindLeg;
	private final ModelPart leftHindLeg;
	private final ModelPart rightFrontLeg;
	private final ModelPart leftFrontLeg;
	private static final int Y_OFFSET = 6;

	public CreeperModel(final ModelPart root) {
		super(root);
		this.head = root.getChild("head");
		this.leftHindLeg = root.getChild("right_hind_leg");
		this.rightHindLeg = root.getChild("left_hind_leg");
		this.leftFrontLeg = root.getChild("right_front_leg");
		this.rightFrontLeg = 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(-4.0F, -8.0F, -4.0F, 8.0F, 8.0F, 8.0F, g), PartPose.offset(0.0F, 6.0F, 0.0F));
		root.addOrReplaceChild("body", CubeListBuilder.create().texOffs(16, 16).addBox(-4.0F, 0.0F, -2.0F, 8.0F, 12.0F, 4.0F, g), PartPose.offset(0.0F, 6.0F, 0.0F));
		CubeListBuilder leg = CubeListBuilder.create().texOffs(0, 16).addBox(-2.0F, 0.0F, -2.0F, 4.0F, 6.0F, 4.0F, g);
		root.addOrReplaceChild("right_hind_leg", leg, PartPose.offset(-2.0F, 18.0F, 4.0F));
		root.addOrReplaceChild("left_hind_leg", leg, PartPose.offset(2.0F, 18.0F, 4.0F));
		root.addOrReplaceChild("right_front_leg", leg, PartPose.offset(-2.0F, 18.0F, -4.0F));
		root.addOrReplaceChild("left_front_leg", leg, PartPose.offset(2.0F, 18.0F, -4.0F));
		return LayerDefinition.create(mesh, 64, 32);
	}

	public void setupAnim(final CreeperRenderState state) {
		super.setupAnim(state);
		this.head.yRot = state.yRot * (float) (Math.PI / 180.0);
		this.head.xRot = state.xRot * (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;
	}
}