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package gregtech.api.enums;

import gregtech.api.interfaces.ITexture;
import gregtech.api.objects.GT_CopiedBlockTexture;
import gregtech.api.objects.GT_RenderedTexture;

public class TAE {

	//TAE stands for Texture Array Expansion.
	
	public static int gtTexturesArrayStartOrigin;
	public static int gtPPLastUsedIndex = 512;
	public static boolean hasArrayBeenExpanded = false;

	public static boolean hookGtTextures() {
		ITexture[] textureArrayDump = Textures.BlockIcons.CASING_BLOCKS;
		GT_RenderedTexture[] newTextureArray = new GT_RenderedTexture[1024];
		gtTexturesArrayStartOrigin = textureArrayDump.length;
		System.arraycopy(textureArrayDump, 0, newTextureArray, 0, textureArrayDump.length);
		Textures.BlockIcons.CASING_BLOCKS  = newTextureArray;
		if (Textures.BlockIcons.CASING_BLOCKS.length == 1024){
			hasArrayBeenExpanded = true;
		}
		else {
			hasArrayBeenExpanded = false;
		}
		return hasArrayBeenExpanded;		
	}

	public static boolean registerTextures(GT_RenderedTexture textureToRegister) {
		Textures.BlockIcons.CASING_BLOCKS[gtPPLastUsedIndex++] = textureToRegister;
		//Just so I know registration is done.
		return true;
	}

	public static boolean registerTextures(GT_CopiedBlockTexture gt_CopiedBlockTexture) {
		Textures.BlockIcons.CASING_BLOCKS[gtPPLastUsedIndex++] = gt_CopiedBlockTexture;
		//Just so I know registration is done.
		return true;
	}
	
	public static ITexture getTexture(int index){
		if (!hasArrayBeenExpanded){
			return null;
		}
		else {
			return Textures.BlockIcons.CASING_BLOCKS[(512+index)];
		}
	}
	
	public static int GTPP_INDEX(int ID){
		return (512+ID);
	}
}