1 files changed, 139 insertions, 0 deletions
diff --git a/src/main/java/gregtech/api/enums/TAE.java b/src/main/java/gregtech/api/enums/TAE.java
new file mode 100644
index 0000000000..e8fd31d89e
--- /dev/null
+++ b/src/main/java/gregtech/api/enums/TAE.java
@@ -0,0 +1,139 @@
+package gregtech.api.enums;
+
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.HashSet;
+
+import gregtech.api.interfaces.ITexture;
+import gregtech.api.objects.GT_CopiedBlockTexture;
+import gtPlusPlus.api.objects.Logger;
+import gtPlusPlus.api.objects.data.AutoMap;
+import gtPlusPlus.core.block.ModBlocks;
+import gtPlusPlus.core.lib.CORE;
+import gtPlusPlus.core.util.Utils;
+import gtPlusPlus.core.util.reflect.ReflectionUtils;
+
+public class TAE {
+
+	//TAE stands for Texture Array Expansion.
+
+	public static int gtPPLastUsedIndex = 64;
+	public static int secondaryIndex = 0;
+	
+	public static HashMap<Integer, GT_CopiedBlockTexture> mTAE = new HashMap<Integer, GT_CopiedBlockTexture>();
+	private static final HashSet<Integer> mFreeSlots = new HashSet<Integer>(64);
+	
+	static {
+		for (int i=64;i<128;i++) {
+			mFreeSlots.add(i);
+		}
+		Logger.INFO("Initialising TAE.");
+	}
+
+	/**
+	 * 
+	 * @param aPage - The Texture page (0-3)
+	 * @param aID - The ID on the specified page (0-15)
+	 * @param gt_CopiedBlockTexture - The Texture to register
+	 * @return - Did it register correctly?
+	 */
+	public static boolean registerTexture(int aPage, int aID, GT_CopiedBlockTexture gt_CopiedBlockTexture) {
+		int aRealID = aID + (aPage * 16);
+		return registerTexture(64 + aRealID, gt_CopiedBlockTexture);
+	}
+
+	public static boolean registerTexture(int aID, GT_CopiedBlockTexture gt_CopiedBlockTexture) {
+		if (mFreeSlots.contains(aID)) {
+			mFreeSlots.remove(aID);
+			mTAE.put(aID, gt_CopiedBlockTexture);
+			return true;
+		}
+		else {
+			CORE.crash("Tried to register texture with ID "+aID+" to TAE, but it is already in use.");
+			return false; // Dead Code
+		}
+	}
+	
+	public static void finalizeTAE() {
+		String aFreeSpaces = "";
+		AutoMap<Integer> aTemp = new AutoMap<Integer>(mFreeSlots);
+		for (int i = 0; i < mFreeSlots.size() ; i++) {
+			aFreeSpaces += aTemp.get(i);
+			if (i != (mFreeSlots.size() - 1)) {
+				aFreeSpaces += ", ";
+			}
+		}
+		Logger.INFO("Free Indexes within TAE: "+aFreeSpaces);
+		Logger.INFO("Filling them with ERROR textures.");
+		for (int aFreeSlot : aTemp.values()) {
+			registerTexture(aFreeSlot, new GT_CopiedBlockTexture(ModBlocks.blockCasingsTieredGTPP, 1, 15));
+		}
+		Logger.INFO("Finalising TAE.");
+		for (int aKeyTae : mTAE.keySet()) {
+			Textures.BlockIcons.setCasingTextureForId(aKeyTae, mTAE.get(aKeyTae));
+		}
+		Logger.INFO("Finalised TAE.");
+	}
+
+	private static boolean registerTextures(GT_CopiedBlockTexture gt_CopiedBlockTexture) {
+		try {			
+			//Handle page 2.
+			Logger.INFO("[TAE} Registering Texture, Last used casing ID is "+gtPPLastUsedIndex+".");
+			if (gtPPLastUsedIndex >= 128) {
+				if (CORE.MAIN_GREGTECH_5U_EXPERIMENTAL_FORK && Utils.getGregtechSubVersion() > 30) {
+					Field x = ReflectionUtils.getField(Textures.BlockIcons.class, "casingTexturePages");
+					if (x != null) {
+						ITexture[][] h = (ITexture[][]) x.get(null);
+						if (h != null) {
+							h[64][secondaryIndex++]  = gt_CopiedBlockTexture;
+							x.set(null, h);
+							Logger.INFO("[TAE} Registered Texture with ID "+(secondaryIndex-1)+" in secondary index.");
+							return true;
+						}
+					}
+				}
+			}
+			
+			//set to page 1.
+			else {
+				Textures.BlockIcons.setCasingTextureForId(gtPPLastUsedIndex, gt_CopiedBlockTexture);
+				Logger.INFO("[TAE} Registered Texture with ID "+(gtPPLastUsedIndex)+" in main index.");
+				gtPPLastUsedIndex++;
+				return true;
+			}
+		} 
+		catch (Throwable t) {
+			t.printStackTrace();
+		}
+		Logger.INFO("[TAE} Failed to register texture, Last used casing ID is "+gtPPLastUsedIndex+".");
+		return false;
+	}
+
+	public static ITexture getTexture(int index){
+		if (gtPPLastUsedIndex >= 128) {
+			if (CORE.MAIN_GREGTECH_5U_EXPERIMENTAL_FORK && Utils.getGregtechSubVersion() > 30) {
+				return Textures.BlockIcons.getCasingTextureForId(((64*128)+index));
+			}
+		}
+		return Textures.BlockIcons.getCasingTextureForId((64+index));
+	}
+
+	public static int GTPP_INDEX(int ID){
+		
+		if (ID >= 64) {
+			if (gtPPLastUsedIndex >= 128) {
+				if (CORE.MAIN_GREGTECH_5U_EXPERIMENTAL_FORK && Utils.getGregtechSubVersion() > 30) {
+					return (128+ID);
+				}
+			}
+		}		
+		return (64+ID);		
+	}
+	
+	public static int getIndexFromPage(int page, int blockMeta) {
+		int id = 64;
+		id += (page == 0 ? 0 : page == 1 ? 16 : page == 2 ? 32 : page == 3 ? 48 : page == 4 ? 64 : 0);
+		id += blockMeta;
+		return id;
+	}
+}