2 files changed, 106 insertions, 0 deletions

diff --git a/src/main/java/gregtech/api/gui/GT_GUIContainer.java b/src/main/java/gregtech/api/gui/GT_GUIContainer.java
index b122b33a73..af6c37a8dd 100644
--- a/src/main/java/gregtech/api/gui/GT_GUIContainer.java
+++ b/src/main/java/gregtech/api/gui/GT_GUIContainer.java
@@ -3,9 +3,12 @@ package gregtech.api.gui;
 import net.minecraft.client.gui.inventory.GuiContainer;
 import net.minecraft.client.renderer.Tessellator;
 import net.minecraft.inventory.Container;
+import net.minecraft.inventory.Slot;
 import net.minecraft.util.ResourceLocation;
 import org.lwjgl.input.Mouse;
 
+import static gregtech.GT_Mod.GT_FML_LOGGER;
+
 /**
  * NEVER INCLUDE THIS FILE IN YOUR MOD!!!
  * <p/>
@@ -69,6 +72,18 @@ public class GT_GUIContainer extends GuiContainer {
     protected void onMouseWheel(int mx, int my, int delta) {
     }
 
+    public boolean isMouseOverSlot(int slotIndex, int mx, int my)
+    {
+        int size = inventorySlots.inventorySlots.size();
+        if (slotIndex < 0 || slotIndex >= size) {
+            // slot does not exist somehow. log and carry on
+            GT_FML_LOGGER.error("Slot {} required where only {} is present", slotIndex, size);
+            return false;
+        }
+        Slot slot = inventorySlots.getSlot(slotIndex);
+        return this.func_146978_c(slot.xDisplayPosition, slot.yDisplayPosition, 16, 16, mx, my);
+    }
+
     /*
     @Override
     protected void drawSlotInventory(Slot par1Slot) {
diff --git a/src/main/java/gregtech/api/net/GT_Packet_SetLockedFluid.java b/src/main/java/gregtech/api/net/GT_Packet_SetLockedFluid.java
new file mode 100644
index 0000000000..deea71feab
--- /dev/null
+++ b/src/main/java/gregtech/api/net/GT_Packet_SetLockedFluid.java
@@ -0,0 +1,91 @@
+package gregtech.api.net;
+
+import com.google.common.io.ByteArrayDataInput;
+import gregtech.api.interfaces.metatileentity.IMetaTileEntity;
+import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
+import gregtech.api.metatileentity.implementations.GT_MetaTileEntity_Hatch_Output;
+import gregtech.api.util.GT_LanguageManager;
+import gregtech.api.util.GT_Utility;
+import io.netty.buffer.ByteBuf;
+import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.network.INetHandler;
+import net.minecraft.network.NetHandlerPlayServer;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.world.IBlockAccess;
+import net.minecraft.world.World;
+import net.minecraftforge.fluids.Fluid;
+import net.minecraftforge.fluids.FluidRegistry;
+import net.minecraftforge.fluids.FluidStack;
+
+public class GT_Packet_SetLockedFluid extends GT_Packet_New {
+	protected int mX;
+	protected short mY;
+	protected int mZ;
+
+	protected int mFluidID;
+
+	private EntityPlayerMP mPlayer;
+
+	public GT_Packet_SetLockedFluid() {
+		super(true);
+	}
+
+	public GT_Packet_SetLockedFluid(IGregTechTileEntity aTile, FluidStack aSource) {
+		this(aTile.getXCoord(), aTile.getYCoord(), aTile.getZCoord(), aSource.getFluidID());
+	}
+
+	public GT_Packet_SetLockedFluid(int x, short y, int z, int aFluidID) {
+		super(false);
+
+		this.mX = x;
+		this.mY = y;
+		this.mZ = z;
+
+		this.mFluidID = aFluidID;
+	}
+
+	@Override
+	public byte getPacketID() {
+		return 14;
+	}
+
+	@Override
+	public void encode(ByteBuf aOut) {
+		aOut.writeInt(mX);
+		aOut.writeShort(mY);
+		aOut.writeInt(mZ);
+
+		aOut.writeInt(mFluidID);
+	}
+
+	@Override
+	public void setINetHandler(INetHandler aHandler) {
+		if (aHandler instanceof NetHandlerPlayServer) {
+			mPlayer = ((NetHandlerPlayServer) aHandler).playerEntity;
+		}
+	}
+
+	@Override
+	public GT_Packet_New decode(ByteArrayDataInput aData) {
+		return new GT_Packet_SetLockedFluid(
+				aData.readInt(),
+				aData.readShort(),
+				aData.readInt(),
+
+				aData.readInt());
+	}
+
+	@Override
+	public void process(IBlockAccess aWorld) {
+		if (mPlayer == null) return;
+		World world = mPlayer.worldObj;
+		TileEntity tile = world.getTileEntity(mX, mY, mZ);
+		if (!(tile instanceof IGregTechTileEntity) || ((IGregTechTileEntity) tile).isDead()) return;
+		IMetaTileEntity mte = ((IGregTechTileEntity) tile).getMetaTileEntity();
+		if (!(mte instanceof GT_MetaTileEntity_Hatch_Output)) return;
+		Fluid tFluid = FluidRegistry.getFluid(mFluidID);
+		if (tFluid == null) return;
+		((GT_MetaTileEntity_Hatch_Output) mte).setLockedFluidName(tFluid.getName());
+		GT_Utility.sendChatToPlayer(mPlayer, String.format(GT_LanguageManager.addStringLocalization("Interaction_DESCRIPTION_Index_151.4", "Sucessfully locked Fluid to %s", false), new FluidStack(tFluid, 1).getLocalizedName()));
+	}
+}