package com.mojang.blaze3d.vertex;

import net.minecraft.client.renderer.texture.OverlayTexture;
import net.minecraft.util.ARGB;
import net.minecraft.util.LightCoordsUtil;

public class QuadInstance {
	private int color0 = -1;
	private int color1 = -1;
	private int color2 = -1;
	private int color3 = -1;
	private int lightCoords0 = 15728880;
	private int lightCoords1 = 15728880;
	private int lightCoords2 = 15728880;
	private int lightCoords3 = 15728880;
	private int overlayCoords = OverlayTexture.NO_OVERLAY;

	public int getColor(final int vertex) {
		return switch (vertex) {
			case 0 -> this.color0;
			case 1 -> this.color1;
			case 2 -> this.color2;
			case 3 -> this.color3;
			default -> throw new IndexOutOfBoundsException();
		};
	}

	public int getLightCoords(final int vertex) {
		return switch (vertex) {
			case 0 -> this.lightCoords0;
			case 1 -> this.lightCoords1;
			case 2 -> this.lightCoords2;
			case 3 -> this.lightCoords3;
			default -> throw new IndexOutOfBoundsException();
		};
	}

	public int getLightCoordsWithEmission(final int vertex, final int lightEmission) {
		return LightCoordsUtil.lightCoordsWithEmission(this.getLightCoords(vertex), lightEmission);
	}

	public int overlayCoords() {
		return this.overlayCoords;
	}

	public void setColor(final int vertex, final int color) {
		switch (vertex) {
			case 0:
				this.color0 = color;
				break;
			case 1:
				this.color1 = color;
				break;
			case 2:
				this.color2 = color;
				break;
			case 3:
				this.color3 = color;
				break;
			default:
				throw new IndexOutOfBoundsException();
		}
	}

	public void setLightCoords(final int vertex, final int lightCoords) {
		switch (vertex) {
			case 0:
				this.lightCoords0 = lightCoords;
				break;
			case 1:
				this.lightCoords1 = lightCoords;
				break;
			case 2:
				this.lightCoords2 = lightCoords;
				break;
			case 3:
				this.lightCoords3 = lightCoords;
				break;
			default:
				throw new IndexOutOfBoundsException();
		}
	}

	public void setColor(final int color) {
		this.color0 = color;
		this.color1 = color;
		this.color2 = color;
		this.color3 = color;
	}

	public void setLightCoords(final int lightCoords) {
		this.lightCoords0 = lightCoords;
		this.lightCoords1 = lightCoords;
		this.lightCoords2 = lightCoords;
		this.lightCoords3 = lightCoords;
	}

	public void setOverlayCoords(final int overlayCoords) {
		this.overlayCoords = overlayCoords;
	}

	public void multiplyColor(final int color) {
		this.color0 = ARGB.multiply(this.color0, color);
		this.color1 = ARGB.multiply(this.color1, color);
		this.color2 = ARGB.multiply(this.color2, color);
		this.color3 = ARGB.multiply(this.color3, color);
	}

	public void scaleColor(final float scale) {
		this.color0 = ARGB.scaleRGB(this.color0, scale);
		this.color1 = ARGB.scaleRGB(this.color1, scale);
		this.color2 = ARGB.scaleRGB(this.color2, scale);
		this.color3 = ARGB.scaleRGB(this.color3, scale);
	}
}