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

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.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.LivingEntityRenderState;
import net.minecraft.util.Mth;

public class SpiderModel extends EntityModel<LivingEntityRenderState> {
	private static final String BODY_0 = "body0";
	private static final String BODY_1 = "body1";
	private static final String RIGHT_MIDDLE_FRONT_LEG = "right_middle_front_leg";
	private static final String LEFT_MIDDLE_FRONT_LEG = "left_middle_front_leg";
	private static final String RIGHT_MIDDLE_HIND_LEG = "right_middle_hind_leg";
	private static final String LEFT_MIDDLE_HIND_LEG = "left_middle_hind_leg";
	private final ModelPart head;
	private final ModelPart rightHindLeg;
	private final ModelPart leftHindLeg;
	private final ModelPart rightMiddleHindLeg;
	private final ModelPart leftMiddleHindLeg;
	private final ModelPart rightMiddleFrontLeg;
	private final ModelPart leftMiddleFrontLeg;
	private final ModelPart rightFrontLeg;
	private final ModelPart leftFrontLeg;

	public SpiderModel(final ModelPart root) {
		super(root);
		this.head = root.getChild("head");
		this.rightHindLeg = root.getChild("right_hind_leg");
		this.leftHindLeg = root.getChild("left_hind_leg");
		this.rightMiddleHindLeg = root.getChild("right_middle_hind_leg");
		this.leftMiddleHindLeg = root.getChild("left_middle_hind_leg");
		this.rightMiddleFrontLeg = root.getChild("right_middle_front_leg");
		this.leftMiddleFrontLeg = root.getChild("left_middle_front_leg");
		this.rightFrontLeg = root.getChild("right_front_leg");
		this.leftFrontLeg = root.getChild("left_front_leg");
	}

	public static LayerDefinition createSpiderBodyLayer() {
		MeshDefinition mesh = new MeshDefinition();
		PartDefinition root = mesh.getRoot();
		int yo = 15;
		root.addOrReplaceChild("head", CubeListBuilder.create().texOffs(32, 4).addBox(-4.0F, -4.0F, -8.0F, 8.0F, 8.0F, 8.0F), PartPose.offset(0.0F, 15.0F, -3.0F));
		root.addOrReplaceChild("body0", CubeListBuilder.create().texOffs(0, 0).addBox(-3.0F, -3.0F, -3.0F, 6.0F, 6.0F, 6.0F), PartPose.offset(0.0F, 15.0F, 0.0F));
		root.addOrReplaceChild("body1", CubeListBuilder.create().texOffs(0, 12).addBox(-5.0F, -4.0F, -6.0F, 10.0F, 8.0F, 12.0F), PartPose.offset(0.0F, 15.0F, 9.0F));
		CubeListBuilder rightLeg = CubeListBuilder.create().texOffs(18, 0).addBox(-15.0F, -1.0F, -1.0F, 16.0F, 2.0F, 2.0F);
		CubeListBuilder leftLeg = CubeListBuilder.create().texOffs(18, 0).mirror().addBox(-1.0F, -1.0F, -1.0F, 16.0F, 2.0F, 2.0F);
		float legZRot = (float) (Math.PI / 4);
		float legYRotSpan = (float) (Math.PI / 8);
		root.addOrReplaceChild("right_hind_leg", rightLeg, PartPose.offsetAndRotation(-4.0F, 15.0F, 2.0F, 0.0F, (float) (Math.PI / 4), (float) (-Math.PI / 4)));
		root.addOrReplaceChild("left_hind_leg", leftLeg, PartPose.offsetAndRotation(4.0F, 15.0F, 2.0F, 0.0F, (float) (-Math.PI / 4), (float) (Math.PI / 4)));
		root.addOrReplaceChild("right_middle_hind_leg", rightLeg, PartPose.offsetAndRotation(-4.0F, 15.0F, 1.0F, 0.0F, (float) (Math.PI / 8), -0.58119464F));
		root.addOrReplaceChild("left_middle_hind_leg", leftLeg, PartPose.offsetAndRotation(4.0F, 15.0F, 1.0F, 0.0F, (float) (-Math.PI / 8), 0.58119464F));
		root.addOrReplaceChild("right_middle_front_leg", rightLeg, PartPose.offsetAndRotation(-4.0F, 15.0F, 0.0F, 0.0F, (float) (-Math.PI / 8), -0.58119464F));
		root.addOrReplaceChild("left_middle_front_leg", leftLeg, PartPose.offsetAndRotation(4.0F, 15.0F, 0.0F, 0.0F, (float) (Math.PI / 8), 0.58119464F));
		root.addOrReplaceChild("right_front_leg", rightLeg, PartPose.offsetAndRotation(-4.0F, 15.0F, -1.0F, 0.0F, (float) (-Math.PI / 4), (float) (-Math.PI / 4)));
		root.addOrReplaceChild("left_front_leg", leftLeg, PartPose.offsetAndRotation(4.0F, 15.0F, -1.0F, 0.0F, (float) (Math.PI / 4), (float) (Math.PI / 4)));
		return LayerDefinition.create(mesh, 64, 32);
	}

	public void setupAnim(final LivingEntityRenderState 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 animationPos = state.walkAnimationPos * 0.6662F;
		float animationSpeed = state.walkAnimationSpeed;
		float swingHind = -(Mth.cos(animationPos * 2.0F + 0.0F) * 0.4F) * animationSpeed;
		float swingMiddleHind = -(Mth.cos(animationPos * 2.0F + (float) Math.PI) * 0.4F) * animationSpeed;
		float swingMiddleFront = -(Mth.cos(animationPos * 2.0F + (float) (Math.PI / 2)) * 0.4F) * animationSpeed;
		float swingFront = -(Mth.cos(animationPos * 2.0F + (float) (Math.PI * 3.0 / 2.0)) * 0.4F) * animationSpeed;
		float stepHind = Math.abs(Mth.sin(animationPos + 0.0F) * 0.4F) * animationSpeed;
		float stepMiddleHind = Math.abs(Mth.sin(animationPos + (float) Math.PI) * 0.4F) * animationSpeed;
		float stepMiddleFrontHind = Math.abs(Mth.sin(animationPos + (float) (Math.PI / 2)) * 0.4F) * animationSpeed;
		float stepFront = Math.abs(Mth.sin(animationPos + (float) (Math.PI * 3.0 / 2.0)) * 0.4F) * animationSpeed;
		this.rightHindLeg.yRot += swingHind;
		this.leftHindLeg.yRot -= swingHind;
		this.rightMiddleHindLeg.yRot += swingMiddleHind;
		this.leftMiddleHindLeg.yRot -= swingMiddleHind;
		this.rightMiddleFrontLeg.yRot += swingMiddleFront;
		this.leftMiddleFrontLeg.yRot -= swingMiddleFront;
		this.rightFrontLeg.yRot += swingFront;
		this.leftFrontLeg.yRot -= swingFront;
		this.rightHindLeg.zRot += stepHind;
		this.leftHindLeg.zRot -= stepHind;
		this.rightMiddleHindLeg.zRot += stepMiddleHind;
		this.leftMiddleHindLeg.zRot -= stepMiddleHind;
		this.rightMiddleFrontLeg.zRot += stepMiddleFrontHind;
		this.leftMiddleFrontLeg.zRot -= stepMiddleFrontHind;
		this.rightFrontLeg.zRot += stepFront;
		this.leftFrontLeg.zRot -= stepFront;
	}
}