package net.minecraft.client.model.dragon;

import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.model.SkullModelBase;
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;

@Environment(EnvType.CLIENT)
public class DragonHeadModel extends SkullModelBase {
	private final ModelPart head;
	private final ModelPart jaw;

	public DragonHeadModel(ModelPart root) {
		super(root);
		this.head = root.getChild("head");
		this.jaw = this.head.getChild("jaw");
	}

	public static LayerDefinition createHeadLayer() {
		MeshDefinition meshDefinition = new MeshDefinition();
		PartDefinition partDefinition = meshDefinition.getRoot();
		float f = -16.0F;
		PartDefinition partDefinition2 = partDefinition.addOrReplaceChild(
			"head",
			CubeListBuilder.create()
				.addBox("upper_lip", -6.0F, -1.0F, -24.0F, 12, 5, 16, 176, 44)
				.addBox("upper_head", -8.0F, -8.0F, -10.0F, 16, 16, 16, 112, 30)
				.mirror(true)
				.addBox("scale", -5.0F, -12.0F, -4.0F, 2, 4, 6, 0, 0)
				.addBox("nostril", -5.0F, -3.0F, -22.0F, 2, 2, 4, 112, 0)
				.mirror(false)
				.addBox("scale", 3.0F, -12.0F, -4.0F, 2, 4, 6, 0, 0)
				.addBox("nostril", 3.0F, -3.0F, -22.0F, 2, 2, 4, 112, 0),
			PartPose.offset(0.0F, -7.986666F, 0.0F).scaled(0.75F)
		);
		partDefinition2.addOrReplaceChild(
			"jaw", CubeListBuilder.create().texOffs(176, 65).addBox("jaw", -6.0F, 0.0F, -16.0F, 12.0F, 4.0F, 16.0F), PartPose.offset(0.0F, 4.0F, -8.0F)
		);
		return LayerDefinition.create(meshDefinition, 256, 256);
	}

	@Override
	public void setupAnim(float mouthAnimation, float yRot, float xRot) {
		this.jaw.xRot = (float)(Math.sin(mouthAnimation * (float) Math.PI * 0.2F) + 1.0) * 0.2F;
		this.head.yRot = yRot * (float) (Math.PI / 180.0);
		this.head.xRot = xRot * (float) (Math.PI / 180.0);
	}
}