1 files changed, 175 insertions, 0 deletions
diff --git a/src/Java/gtPlusPlus/xmod/gregtech/api/objects/GregtechBufferThread.java b/src/Java/gtPlusPlus/xmod/gregtech/api/objects/GregtechBufferThread.java
new file mode 100644
index 0000000000..1f92aa45a7
--- /dev/null
+++ b/src/Java/gtPlusPlus/xmod/gregtech/api/objects/GregtechBufferThread.java
@@ -0,0 +1,175 @@
+package gtPlusPlus.xmod.gregtech.api.objects;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import net.minecraft.init.Items;
+import net.minecraft.inventory.IInventory;
+import net.minecraft.item.ItemStack;
+import net.minecraft.world.World;
+
+import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
+import gregtech.api.util.GT_Utility;
+
+import gtPlusPlus.xmod.gregtech.api.metatileentity.implementations.GT_MetaTileEntity_ThreadedBuffer;
+import gtPlusPlus.xmod.gregtech.common.tileentities.automation.GT_MetaTileEntity_ThreadedChestBuffer;
+
+public class GregtechBufferThread extends Thread {
+
+	public static final Map<String, GregtechBufferThread> mBufferThreadAllocation = new HashMap<String, GregtechBufferThread>();
+	private final World mWorldRef;
+	private short mLifeCycleTime = 12000;
+
+	public static synchronized final GregtechBufferThread getBufferThread(World world) {
+		if (world != null && mBufferThreadAllocation.containsKey(""+world.provider.dimensionId)){
+			return mBufferThreadAllocation.get(""+world.provider.dimensionId);
+		}
+		else {
+			return new GregtechBufferThread(world);
+		}
+	}
+
+	public GregtechBufferThread(World world) {
+
+		int mID = world != null ? world.provider.dimensionId : Short.MIN_VALUE;
+		if (world != null && !mBufferThreadAllocation.containsKey(""+mID)){
+			mWorldRef = world;
+			mBufferThreadAllocation.put(""+mID, this);
+		}
+		else {
+			this.mLifeCycleTime = 1;
+			mWorldRef = null;
+		}
+	}
+
+	public synchronized void fillStacksIntoFirstSlots(GT_MetaTileEntity_ThreadedChestBuffer mBuffer) {
+		for (int i = 0; i < mBuffer.mInventorySynchro.length - 1; ++i) {
+			for (int j = i + 1; j < mBuffer.mInventorySynchro.length - 1; ++j) {
+				if (mBuffer.mInventorySynchro[j] != null && (mBuffer.mInventorySynchro[i] == null
+						|| areStacksEqual(mBuffer.mInventorySynchro[i], mBuffer.mInventorySynchro[j]))) {
+					moveStackFromSlotAToSlotB((IInventory) mBuffer.getBaseMetaTileEntity(),
+							(IInventory) mBuffer.getBaseMetaTileEntity(), j, i, (byte) 64, (byte) 1, (byte) 64, (byte) 1);
+				}
+			}
+		}
+	}
+
+	public synchronized boolean moveItems(final IGregTechTileEntity aBaseMetaTileEntity, final long aTimer, GT_MetaTileEntity_ThreadedBuffer mBuffer) {
+		final byte mTargetStackSize = (byte) mBuffer.mTargetStackSize;
+		final int tCost = GT_Utility.moveOneItemStack((Object) aBaseMetaTileEntity,
+				(Object) aBaseMetaTileEntity.getTileEntityAtSide(aBaseMetaTileEntity.getBackFacing()),
+				aBaseMetaTileEntity.getBackFacing(), aBaseMetaTileEntity.getFrontFacing(), (List<ItemStack>) null, false,
+				(byte) ((mTargetStackSize == 0) ? 64 : ((byte) mTargetStackSize)),
+				(byte) ((mTargetStackSize == 0) ? 1 : ((byte) mTargetStackSize)), (byte) 64, (byte) 1);
+		if (tCost > 0 || aBaseMetaTileEntity.hasInventoryBeenModified()) {
+			mBuffer.mSuccess = 50;
+			aBaseMetaTileEntity.decreaseStoredEnergyUnits((long) Math.abs(tCost), true);
+			return true;
+		}
+		return false;
+	}
+
+	public synchronized void onPostTick(final IGregTechTileEntity aBaseMetaTileEntity, final long aTimer, GT_MetaTileEntity_ThreadedBuffer mBuffer) {
+		if (aBaseMetaTileEntity.isAllowedToWork() && aBaseMetaTileEntity.isServerSide()
+				&& aBaseMetaTileEntity.isUniversalEnergyStored(mBuffer.getMinimumStoredEU())
+				&& (aBaseMetaTileEntity.hasWorkJustBeenEnabled() || aBaseMetaTileEntity.hasInventoryBeenModified()
+						|| aTimer % 200L == 0L || mBuffer.mSuccess > 0)) {
+			--mBuffer.mSuccess;
+			moveItems(aBaseMetaTileEntity, aTimer, mBuffer);
+			for (byte b = 0; b < 6; ++b) {
+				aBaseMetaTileEntity.setInternalOutputRedstoneSignal(b, (byte) (mBuffer.bInvert ? 15 : 0));
+			}
+			if (mBuffer.bRedstoneIfFull) {
+				for (byte b = 0; b < 6; ++b) {
+					aBaseMetaTileEntity.setInternalOutputRedstoneSignal(b, (byte) (mBuffer.bInvert ? 0 : 15));
+				}
+				for (int i = 0; i < mBuffer.mInventorySynchro.length; ++i) {
+					if (mBuffer.isValidSlot(i) && mBuffer.mInventorySynchro[i] == null) {
+						for (byte b2 = 0; b2 < 6; ++b2) {
+							aBaseMetaTileEntity.setInternalOutputRedstoneSignal(b2, (byte) (mBuffer.bInvert ? 15 : 0));
+						}
+						aBaseMetaTileEntity.decreaseStoredEnergyUnits(1L, true);
+						break;
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * Some GT logic we'd like to move off thread
+	 */
+
+	public synchronized static boolean areStacksEqual(final ItemStack aStack1, final ItemStack aStack2) {
+		return areStacksEqual(aStack1, aStack2, false);
+	}
+
+	public synchronized static boolean areStacksEqual(final ItemStack aStack1, final ItemStack aStack2, final boolean aIgnoreNBT) {
+		return aStack1 != null && aStack2 != null && aStack1.getItem() == aStack2.getItem()
+				&& (aIgnoreNBT || (aStack1.getTagCompound() == null == (aStack2.getTagCompound() == null)
+				&& (aStack1.getTagCompound() == null
+				|| aStack1.getTagCompound().equals((Object) aStack2.getTagCompound()))))
+				&& (Items.feather.getDamage(aStack1) == Items.feather.getDamage(aStack2)
+				|| Items.feather.getDamage(aStack1) == 32767 || Items.feather.getDamage(aStack2) == 32767);
+	}
+
+	public synchronized static byte moveStackFromSlotAToSlotB(final IInventory aTileEntity1, final IInventory aTileEntity2,
+			final int aGrabFrom, final int aPutTo, byte aMaxTargetStackSize, final byte aMinTargetStackSize,
+			final byte aMaxMoveAtOnce, final byte aMinMoveAtOnce) {
+		if (aTileEntity1 == null || aTileEntity2 == null || aMaxTargetStackSize <= 0 || aMinTargetStackSize <= 0
+				|| aMinTargetStackSize > aMaxTargetStackSize || aMaxMoveAtOnce <= 0
+				|| aMinMoveAtOnce > aMaxMoveAtOnce) {
+			return 0;
+		}
+		final ItemStack tStack1 = aTileEntity1.getStackInSlot(aGrabFrom);
+		final ItemStack tStack2 = aTileEntity2.getStackInSlot(aPutTo);
+		ItemStack tStack3 = null;
+		if (tStack1 != null) {
+			if (tStack2 != null && !areStacksEqual(tStack1, tStack2)) {
+				return 0;
+			}
+			tStack3 = GT_Utility.copy(tStack1);
+			aMaxTargetStackSize = (byte) Math.min(aMaxTargetStackSize,
+					Math.min(tStack3.getMaxStackSize(),
+							Math.min((tStack2 == null) ? Integer.MAX_VALUE : tStack2.getMaxStackSize(),
+									aTileEntity2.getInventoryStackLimit())));
+			tStack3.stackSize = Math.min(tStack3.stackSize,
+					aMaxTargetStackSize - ((tStack2 == null) ? 0 : tStack2.stackSize));
+			if (tStack3.stackSize > aMaxMoveAtOnce) {
+				tStack3.stackSize = aMaxMoveAtOnce;
+			}
+			if (tStack3.stackSize + ((tStack2 == null) ? 0 : tStack2.stackSize) >= Math.min(tStack3.getMaxStackSize(),
+					aMinTargetStackSize) && tStack3.stackSize >= aMinMoveAtOnce) {
+				tStack3 = aTileEntity1.decrStackSize(aGrabFrom, tStack3.stackSize);
+				aTileEntity1.markDirty();
+				if (tStack3 != null) {
+					if (tStack2 == null) {
+						aTileEntity2.setInventorySlotContents(aPutTo, GT_Utility.copy(tStack3));
+						aTileEntity2.markDirty();
+					} else {
+						final ItemStack itemStack = tStack2;
+						itemStack.stackSize += tStack3.stackSize;
+						aTileEntity2.markDirty();
+					}
+					return (byte) tStack3.stackSize;
+				}
+			}
+		}
+		return 0;
+	}
+
+	@Override
+	public void run() {
+		while (mLifeCycleTime > 0) {
+			mLifeCycleTime--;
+		}
+		if (mLifeCycleTime <= 0) {
+			GregtechBufferThread.mBufferThreadAllocation.remove(""+(mWorldRef != null ? mWorldRef.provider.dimensionId : Short.MIN_VALUE), this);
+		}
+	}
+
+
+
+
+}