package net.minecraft.client.renderer.texture;

import com.mojang.blaze3d.platform.NativeImage;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.resources.metadata.animation.FrameSize;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.server.packs.resources.ResourceMetadata;

@Environment(EnvType.CLIENT)
public final class MissingTextureAtlasSprite {
	private static final int MISSING_IMAGE_WIDTH = 16;
	private static final int MISSING_IMAGE_HEIGHT = 16;
	private static final String MISSING_TEXTURE_NAME = "missingno";
	private static final ResourceLocation MISSING_TEXTURE_LOCATION = ResourceLocation.withDefaultNamespace("missingno");

	public static NativeImage generateMissingImage() {
		return generateMissingImage(16, 16);
	}

	public static NativeImage generateMissingImage(int width, int height) {
		NativeImage nativeImage = new NativeImage(width, height, false);
		int i = -524040;

		for (int j = 0; j < height; j++) {
			for (int k = 0; k < width; k++) {
				if (j < height / 2 ^ k < width / 2) {
					nativeImage.setPixel(k, j, -524040);
				} else {
					nativeImage.setPixel(k, j, -16777216);
				}
			}
		}

		return nativeImage;
	}

	public static SpriteContents create() {
		NativeImage nativeImage = generateMissingImage(16, 16);
		return new SpriteContents(MISSING_TEXTURE_LOCATION, new FrameSize(16, 16), nativeImage, ResourceMetadata.EMPTY);
	}

	public static ResourceLocation getLocation() {
		return MISSING_TEXTURE_LOCATION;
	}
}