1 files changed, 145 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..246b2006ea
--- /dev/null
+++ b/src/main/java/gregtech/api/enums/TAE.java
@@ -0,0 +1,145 @@
+package gregtech.api.enums;
+
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.HashSet;
+
+import gregtech.api.interfaces.ITexture;
+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.reflect.ReflectionUtils;
+import gtPlusPlus.xmod.gregtech.api.objects.GTPP_CopiedBlockTexture;
+
+public class TAE {
+
+    // TAE stands for Texture Array Expansion.
+
+    public static int gtPPLastUsedIndex = 64;
+    public static int secondaryIndex = 0;
+
+    public static HashMap<Integer, GTPP_CopiedBlockTexture> mTAE = new HashMap<>();
+    private static final HashSet<Integer> mFreeSlots = new HashSet<>(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 GTPP_CopiedBlockTexture - The Texture to register
+     * @return - Did it register correctly?
+     */
+    public static boolean registerTexture(int aPage, int aID, GTPP_CopiedBlockTexture GTPP_CopiedBlockTexture) {
+        int aRealID = aID + (aPage * 16);
+        return registerTexture(64 + aRealID, GTPP_CopiedBlockTexture);
+    }
+
+    public static boolean registerTexture(int aID, GTPP_CopiedBlockTexture GTPP_CopiedBlockTexture) {
+        if (mFreeSlots.contains(aID)) {
+            mFreeSlots.remove(aID);
+            mTAE.put(aID, GTPP_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 = "";
+        String aPageAndSlotFree = "";
+        AutoMap<Integer> aTemp = new AutoMap<>(mFreeSlots);
+        for (int i = 0; i < mFreeSlots.size(); i++) {
+            int j = aTemp.get(i);
+            aFreeSpaces += j;
+            aPageAndSlotFree += getPageFromIndex(j);
+            if (i != (mFreeSlots.size() - 1)) {
+                aFreeSpaces += ", ";
+                aPageAndSlotFree += ", ";
+            }
+        }
+        Logger.INFO("Free Indexes within TAE: " + aFreeSpaces);
+        Logger.INFO("Free Page slots within TAE: " + aPageAndSlotFree);
+        Logger.INFO("Filling them with ERROR textures.");
+        for (int aFreeSlot : aTemp.values()) {
+            registerTexture(aFreeSlot, new GTPP_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(GTPP_CopiedBlockTexture GTPP_CopiedBlockTexture) {
+        try {
+            // Handle page 2.
+            Logger.INFO("[TAE} Registering Texture, Last used casing ID is " + gtPPLastUsedIndex + ".");
+            if (gtPPLastUsedIndex >= 128) {
+                Field x = ReflectionUtils.getField(Textures.BlockIcons.class, "casingTexturePages");
+                if (x != null) {
+                    ITexture[][] h = (ITexture[][]) x.get(null);
+                    if (h != null) {
+                        h[64][secondaryIndex++] = GTPP_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, GTPP_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) {
+            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) {
+                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;
+    }
+
+    public static String getPageFromIndex(int aIndex) {
+        int aPage = 0;
+        int aSlot = 0;
+        int aAdjustedIndex = aIndex > 64 ? (aIndex - 64) : aIndex;
+        aPage = aAdjustedIndex / 16;
+        aSlot = aAdjustedIndex - (16 * aPage);
+        return "[" + aIndex + " | " + aPage + ", " + aSlot + "]";
+    }
+}