package net.minecraft.client.model.object.boat;

import net.minecraft.client.model.EntityModel;
import net.minecraft.client.model.geom.ModelPart;
import net.minecraft.client.renderer.entity.state.BoatRenderState;
import net.minecraft.util.Mth;

public abstract class AbstractBoatModel extends EntityModel<BoatRenderState> {
	private final ModelPart leftPaddle;
	private final ModelPart rightPaddle;

	public AbstractBoatModel(final ModelPart root) {
		super(root);
		this.leftPaddle = root.getChild("left_paddle");
		this.rightPaddle = root.getChild("right_paddle");
	}

	public void setupAnim(final BoatRenderState state) {
		super.setupAnim(state);
		animatePaddle(state.rowingTimeLeft, 0, this.leftPaddle);
		animatePaddle(state.rowingTimeRight, 1, this.rightPaddle);
	}

	private static void animatePaddle(final float time, final int side, final ModelPart paddle) {
		paddle.xRot = Mth.clampedLerp((Mth.sin(-time) + 1.0F) / 2.0F, (float) (-Math.PI / 3), (float) (-Math.PI / 12));
		paddle.yRot = Mth.clampedLerp((Mth.sin(-time + 1.0F) + 1.0F) / 2.0F, (float) (-Math.PI / 4), (float) (Math.PI / 4));
		if (side == 1) {
			paddle.yRot = (float) Math.PI - paddle.yRot;
		}
	}
}