Merge branch 'GTNewHorizons:experimental' into experimental

13 files changed, 318 insertions, 100 deletions

diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Cable.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Cable.java
index 439cacff91..2764eeb07e 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Cable.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Cable.java
@@ -1,7 +1,6 @@
 package gregtech.api.metatileentity.implementations;
 
 import cofh.api.energy.IEnergyReceiver;
-import com.google.common.collect.Sets;
 import cpw.mods.fml.common.Loader;
 import gregtech.GT_Mod;
 import gregtech.api.GregTech_API;
@@ -159,7 +158,7 @@ public class GT_MetaPipeEntity_Cable extends MetaPipeEntity implements IMetaTile
     public long injectEnergyUnits(byte aSide, long aVoltage, long aAmperage) {
     	if (!isConnectedAtSide(aSide) && aSide != 6)
     		return 0;
-        if (!getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).letsEnergyIn(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), getBaseMetaTileEntity()))
+        if (!getBaseMetaTileEntity().getCoverBehaviorAtSideNew(aSide).letsEnergyIn(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getComplexCoverDataAtSide(aSide), getBaseMetaTileEntity()))
             return 0;
         HashSet<TileEntity> nul = null;
         return transferElectricity(aSide, aVoltage, aAmperage,nul);
@@ -254,11 +253,21 @@ public class GT_MetaPipeEntity_Cable extends MetaPipeEntity implements IMetaTile
         return coverBehavior.letsEnergyOut(aSide, aCoverID, aCoverVariable, aTileEntity);
     }
 
+    @Override
+    public boolean letsIn(GT_CoverBehaviorBase<?> coverBehavior, byte aSide, int aCoverID, ISerializableObject aCoverVariable, ICoverable aTileEntity) {
+        return coverBehavior.letsEnergyIn(aSide, aCoverID, aCoverVariable, aTileEntity);
+    }
+
+    @Override
+    public boolean letsOut(GT_CoverBehaviorBase<?> coverBehavior, byte aSide, int aCoverID, ISerializableObject aCoverVariable, ICoverable aTileEntity) {
+        return coverBehavior.letsEnergyOut(aSide, aCoverID, aCoverVariable, aTileEntity);
+    }
+
 
     @Override
     public boolean canConnect(byte aSide, TileEntity tTileEntity) {
         final IGregTechTileEntity baseMetaTile = getBaseMetaTileEntity();
-        final GT_CoverBehavior coverBehavior = baseMetaTile.getCoverBehaviorAtSide(aSide);
+        final GT_CoverBehaviorBase<?> coverBehavior = baseMetaTile.getCoverBehaviorAtSideNew(aSide);
         final byte tSide = GT_Utility.getOppositeSide(aSide);
         final ForgeDirection tDir = ForgeDirection.getOrientation(tSide);
 
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Fluid.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Fluid.java
index 128f6fa916..8cce529050 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Fluid.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Fluid.java
@@ -15,8 +15,10 @@ import gregtech.api.metatileentity.BaseMetaPipeEntity;
 import gregtech.api.metatileentity.MetaPipeEntity;
 import gregtech.api.render.TextureFactory;
 import gregtech.api.util.GT_CoverBehavior;
+import gregtech.api.util.GT_CoverBehaviorBase;
 import gregtech.api.util.GT_Log;
 import gregtech.api.util.GT_Utility;
+import gregtech.api.util.ISerializableObject;
 import gregtech.api.util.WorldSpawnedEventBuilder;
 import gregtech.common.GT_Client;
 import gregtech.common.covers.GT_Cover_Drain;
@@ -336,6 +338,7 @@ public class GT_MetaPipeEntity_Fluid extends MetaPipeEntity {
 
         // Tank, From, Amount to receive
         List<MutableTriple<IFluidHandler, ForgeDirection, Integer>> tTanks = new ArrayList<>();
+        int amount = tFluid.amount;
 
         for (byte aSide, i = 0, j = (byte) aBaseMetaTileEntity.getRandomNumber(6); i < 6; i++) {
             // Get a list of tanks accepting fluids, and what side they're on
@@ -345,11 +348,12 @@ public class GT_MetaPipeEntity_Fluid extends MetaPipeEntity {
             final IGregTechTileEntity gTank = tTank instanceof IGregTechTileEntity ? (IGregTechTileEntity) tTank : null;
 
             if (isConnectedAtSide(aSide) && tTank != null && (mLastReceivedFrom & (1 << aSide)) == 0 &&
-                    getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).letsFluidOut(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), tFluid.getFluid(), getBaseMetaTileEntity()) &&
-                    (gTank == null || gTank.getCoverBehaviorAtSide(tSide).letsFluidIn(tSide, gTank.getCoverIDAtSide(tSide), gTank.getCoverDataAtSide(tSide), tFluid.getFluid(), gTank))) {
+                    getBaseMetaTileEntity().getCoverBehaviorAtSideNew(aSide).letsFluidOut(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getComplexCoverDataAtSide(aSide), tFluid.getFluid(), getBaseMetaTileEntity()) &&
+                    (gTank == null || gTank.getCoverBehaviorAtSideNew(tSide).letsFluidIn(tSide, gTank.getCoverIDAtSide(tSide), gTank.getComplexCoverDataAtSide(tSide), tFluid.getFluid(), gTank))) {
                 if (tTank.fill(ForgeDirection.getOrientation(tSide), tFluid, false) > 0) {
                     tTanks.add(new MutableTriple<>(tTank, ForgeDirection.getOrientation(tSide), 0));
                 }
+                tFluid.amount = amount; // Because some mods do actually modify input fluid stack
             }
         }
 
@@ -420,6 +424,16 @@ public class GT_MetaPipeEntity_Fluid extends MetaPipeEntity {
     }
 
     @Override
+    public boolean letsIn(GT_CoverBehaviorBase<?> coverBehavior, byte aSide, int aCoverID, ISerializableObject aCoverVariable, ICoverable aTileEntity) {
+        return coverBehavior.letsFluidIn(aSide, aCoverID, aCoverVariable, null, aTileEntity);
+    }
+
+    @Override
+    public boolean letsOut(GT_CoverBehaviorBase<?> coverBehavior, byte aSide, int aCoverID, ISerializableObject aCoverVariable, ICoverable aTileEntity) {
+        return coverBehavior.letsFluidOut(aSide, aCoverID, aCoverVariable, null, aTileEntity);
+    }
+
+    @Override
     public boolean canConnect(byte aSide, TileEntity tTileEntity) {
         if (tTileEntity == null)
             return false;
@@ -429,7 +443,7 @@ public class GT_MetaPipeEntity_Fluid extends MetaPipeEntity {
         if (baseMetaTile == null)
             return false;
 
-        final GT_CoverBehavior coverBehavior = baseMetaTile.getCoverBehaviorAtSide(aSide);
+        final GT_CoverBehaviorBase<?> coverBehavior = baseMetaTile.getCoverBehaviorAtSideNew(aSide);
         final IGregTechTileEntity gTileEntity = (tTileEntity instanceof IGregTechTileEntity) ? (IGregTechTileEntity) tTileEntity : null;
 
         if (coverBehavior instanceof GT_Cover_Drain || (GregTech_API.mTConstruct && isTConstructFaucet(tTileEntity)))
@@ -442,7 +456,7 @@ public class GT_MetaPipeEntity_Fluid extends MetaPipeEntity {
             if (tInfo != null) {
                 return tInfo.length > 0
                         || (GregTech_API.mTranslocator && isTranslocator(tTileEntity))
-                        || gTileEntity != null && gTileEntity.getCoverBehaviorAtSide(tSide) instanceof GT_Cover_FluidRegulator;
+                        || gTileEntity != null && gTileEntity.getCoverBehaviorAtSideNew(tSide) instanceof GT_Cover_FluidRegulator;
 
             }
         }
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Item.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Item.java
index edec79fe65..e316a44c80 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Item.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Item.java
@@ -13,7 +13,9 @@ import gregtech.api.metatileentity.BaseMetaPipeEntity;
 import gregtech.api.metatileentity.MetaPipeEntity;
 import gregtech.api.render.TextureFactory;
 import gregtech.api.util.GT_CoverBehavior;
+import gregtech.api.util.GT_CoverBehaviorBase;
 import gregtech.api.util.GT_Utility;
+import gregtech.api.util.ISerializableObject;
 import gregtech.common.GT_Client;
 import net.minecraft.entity.Entity;
 import net.minecraft.entity.player.EntityPlayer;
@@ -216,6 +218,16 @@ public class GT_MetaPipeEntity_Item extends MetaPipeEntity implements IMetaTileE
     }
 
     @Override
+    public boolean letsIn(GT_CoverBehaviorBase<?> coverBehavior, byte aSide, int aCoverID, ISerializableObject aCoverVariable, ICoverable aTileEntity) {
+        return coverBehavior.letsItemsIn(aSide, aCoverID, aCoverVariable, -1, aTileEntity);
+    }
+
+    @Override
+    public boolean letsOut(GT_CoverBehaviorBase<?> coverBehavior, byte aSide, int aCoverID, ISerializableObject aCoverVariable, ICoverable aTileEntity) {
+        return coverBehavior.letsItemsOut(aSide, aCoverID, aCoverVariable, -1, aTileEntity);
+    }
+
+    @Override
     public boolean canConnect(byte aSide, TileEntity tTileEntity) {
         if (tTileEntity == null) return false;
 
@@ -271,7 +283,7 @@ public class GT_MetaPipeEntity_Item extends MetaPipeEntity implements IMetaTileE
 
     @Override
     public boolean insertItemStackIntoTileEntity(Object aSender, byte aSide) {
-        if (getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).letsItemsOut(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), -1, getBaseMetaTileEntity())) {
+        if (getBaseMetaTileEntity().getCoverBehaviorAtSideNew(aSide).letsItemsOut(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getComplexCoverDataAtSide(aSide), -1, getBaseMetaTileEntity())) {
             TileEntity tInventory = getBaseMetaTileEntity().getTileEntityAtSide(aSide);
             if (tInventory != null && !(tInventory instanceof BaseMetaPipeEntity)) {
                 if ((!(tInventory instanceof TileEntityHopper) && !(tInventory instanceof TileEntityDispenser)) || getBaseMetaTileEntity().getMetaIDAtSide(aSide) != GT_Utility.getOppositeSide(aSide)) {
@@ -320,7 +332,7 @@ public class GT_MetaPipeEntity_Item extends MetaPipeEntity implements IMetaTileE
     @Override
     public int[] getAccessibleSlotsFromSide(int aSide) {
         IGregTechTileEntity tTileEntity = getBaseMetaTileEntity();
-        boolean tAllow = tTileEntity.getCoverBehaviorAtSide((byte) aSide).letsItemsIn((byte) aSide, tTileEntity.getCoverIDAtSide((byte) aSide), tTileEntity.getCoverDataAtSide((byte) aSide), -2, tTileEntity) || tTileEntity.getCoverBehaviorAtSide((byte) aSide).letsItemsOut((byte) aSide, tTileEntity.getCoverIDAtSide((byte) aSide), tTileEntity.getCoverDataAtSide((byte) aSide), -2, tTileEntity);
+        boolean tAllow = tTileEntity.getCoverBehaviorAtSideNew((byte) aSide).letsItemsIn((byte) aSide, tTileEntity.getCoverIDAtSide((byte) aSide), tTileEntity.getComplexCoverDataAtSide((byte) aSide), -2, tTileEntity) || tTileEntity.getCoverBehaviorAtSideNew((byte) aSide).letsItemsOut((byte) aSide, tTileEntity.getCoverIDAtSide((byte) aSide), tTileEntity.getComplexCoverDataAtSide((byte) aSide), -2, tTileEntity);
         if (tAllow) {
             if (cacheSides == null)
                 cacheSides = super.getAccessibleSlotsFromSide(aSide);
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicGenerator.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicGenerator.java
index 57f7073e24..bb7b795c36 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicGenerator.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicGenerator.java
@@ -206,7 +206,7 @@ public abstract class GT_MetaTileEntity_BasicGenerator extends GT_MetaTileEntity
                 } else {
                     if (mInventory[getStackDisplaySlot()] == null)
                         mInventory[getStackDisplaySlot()] = new ItemStack(Blocks.fire, 1);
-                    mInventory[getStackDisplaySlot()].setStackDisplayName("Draining internal buffer: " + (aBaseMetaTileEntity.getUniversalEnergyStored() - getMinimumStoredEU()) + " EU");
+                    mInventory[getStackDisplaySlot()].setStackDisplayName("Draining internal buffer: " + GT_Utility.formatNumbers(aBaseMetaTileEntity.getUniversalEnergyStored() - getMinimumStoredEU()) + " EU");
                 }
             } else {
                 long tFuelValue = getFuelValue(mFluid), tConsumed = consumedFluidPerOperation(mFluid);
@@ -222,6 +222,7 @@ public abstract class GT_MetaTileEntity_BasicGenerator extends GT_MetaTileEntity
 
             if (mInventory[getInputSlot()] != null && aBaseMetaTileEntity.getUniversalEnergyStored() < (maxEUOutput() * 20 + getMinimumStoredEU()) && ((GT_Utility.getFluidForFilledItem(mInventory[getInputSlot()], true) != null) || solidFuelOverride(mInventory[getInputSlot()]))) {
                 long tFuelValue = getFuelValue(mInventory[getInputSlot()]);
+                if (tFuelValue <= 0) tFuelValue = getFuelValue(mInventory[getInputSlot()], true);
                 //System.out.println(" tFuelValue : " + tFuelValue );
                 if (tFuelValue > 0) {
                     ItemStack tEmptyContainer = getEmptyContainer(mInventory[getInputSlot()]);
@@ -279,7 +280,7 @@ public abstract class GT_MetaTileEntity_BasicGenerator extends GT_MetaTileEntity
         }
         long val=(long)tFuel.mSpecialValue * getEfficiency() * consumedFluidPerOperation(aLiquid) / 100;
         if(val> Integer.MAX_VALUE){
-            throw new ArithmeticException("Integer LOOPBACK!");
+            val = 0;
         }
         return (int) val;
     }
@@ -291,13 +292,35 @@ public abstract class GT_MetaTileEntity_BasicGenerator extends GT_MetaTileEntity
         if (tFuel != null){
             long val=(long)tFuel.mSpecialValue * 10L /*<- 1000mb/100 */ * getEfficiency();
             if(val> Integer.MAX_VALUE){
-                throw new ArithmeticException("Integer LOOPBACK!");
+                val = 0;
             }
             return (int) val;
         }
         return 0;
     }
 
+    public long getFuelValue(FluidStack aLiquid, boolean aLong) {
+        //System.out.println("Fluid stack check");
+        GT_Recipe_Map tRecipes = getRecipes();
+        if (aLiquid == null || !(tRecipes instanceof GT_Recipe.GT_Recipe_Map_Fuel)) return 0;
+        GT_Recipe.GT_Recipe_Map_Fuel tFuels = (GT_Recipe.GT_Recipe_Map_Fuel) tRecipes;
+        GT_Recipe tFuel = tFuels.findFuel(aLiquid);
+        if (tFuel == null) {
+            return 0;
+        }
+        return (long)tFuel.mSpecialValue * getEfficiency() * consumedFluidPerOperation(aLiquid) / 100;
+    }
+
+    public long getFuelValue(ItemStack aStack, boolean aLong) {
+        //System.out.println("Item stack check");
+        if (GT_Utility.isStackInvalid(aStack) || getRecipes() == null) return 0;
+        GT_Recipe tFuel = getRecipes().findRecipe(getBaseMetaTileEntity(), false, Long.MAX_VALUE, null, aStack);
+        if (tFuel != null){
+            return (long)tFuel.mSpecialValue * 10L /*<- 1000mb/100 */ * getEfficiency();
+        }
+        return 0;
+    }
+
     public ItemStack getEmptyContainer(ItemStack aStack) {
         if (GT_Utility.isStackInvalid(aStack) || getRecipes() == null) return null;
         GT_Recipe tFuel = getRecipes().findRecipe(getBaseMetaTileEntity(), false, Long.MAX_VALUE, null, aStack);
@@ -307,7 +330,7 @@ public abstract class GT_MetaTileEntity_BasicGenerator extends GT_MetaTileEntity
 
     @Override
     public boolean allowPutStack(IGregTechTileEntity aBaseMetaTileEntity, int aIndex, byte aSide, ItemStack aStack) {
-        return super.allowPutStack(aBaseMetaTileEntity, aIndex, aSide, aStack) && (getFuelValue(aStack) > 0 || getFuelValue(GT_Utility.getFluidForFilledItem(aStack, true)) > 0);
+        return super.allowPutStack(aBaseMetaTileEntity, aIndex, aSide, aStack) && (getFuelValue(aStack) > 0 || getFuelValue(aStack, true) > 0) || (getFuelValue(GT_Utility.getFluidForFilledItem(aStack, true)) > 0 || getFuelValue(GT_Utility.getFluidForFilledItem(aStack, true), true) > 0);
     }
 
     @Override
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java
index 7c15137691..e8cac808dd 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java
@@ -10,6 +10,7 @@ import gregtech.api.interfaces.metatileentity.IMachineCallback;
 import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
 import gregtech.api.objects.GT_ItemStack;
 import gregtech.api.render.TextureFactory;
+import gregtech.api.util.GT_CoverBehaviorBase;
 import gregtech.api.util.GT_Log;
 import gregtech.api.util.GT_OreDictUnificator;
 import gregtech.api.util.GT_Recipe;
@@ -823,8 +824,9 @@ public abstract class GT_MetaTileEntity_BasicMachine extends GT_MetaTileEntity_B
 
     @Override
     public boolean allowCoverOnSide(byte aSide, GT_ItemStack aCoverID) {
-        return (aSide != mMainFacing || GregTech_API.getCoverBehavior(aCoverID.toStack()).isGUIClickable(aSide, GT_Utility.stackToInt(aCoverID.toStack()), 0, getBaseMetaTileEntity()));
-    }
+        if (aSide != mMainFacing) return true;
+        GT_CoverBehaviorBase<?> tBehavior = GregTech_API.getCoverBehaviorNew(aCoverID.toStack());
+        return tBehavior.isGUIClickable(aSide, GT_Utility.stackToInt(aCoverID.toStack()), tBehavior.createDataObject(), getBaseMetaTileEntity());}
 
     @Override
     public boolean allowPullStack(IGregTechTileEntity aBaseMetaTileEntity, int aIndex, byte aSide, ItemStack aStack) {
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine_Bronze.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine_Bronze.java
index 3cdb26c9e1..d573c6bfd1 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine_Bronze.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine_Bronze.java
@@ -186,7 +186,7 @@ public abstract class GT_MetaTileEntity_BasicMachine_Bronze extends GT_MetaTileE
 
     @Override
     public boolean allowCoverOnSide(byte aSide, GT_ItemStack aCoverID) {
-        return GregTech_API.getCoverBehavior(aCoverID.toStack()).isSimpleCover() && super.allowCoverOnSide(aSide, aCoverID);
+        return GregTech_API.getCoverBehaviorNew(aCoverID.toStack()).isSimpleCover() && super.allowCoverOnSide(aSide, aCoverID);
     }
 
     public float getSteamDamage() {
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Buffer.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Buffer.java
index d5741f599d..1df2dac0f0 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Buffer.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Buffer.java
@@ -262,6 +262,16 @@ public abstract class GT_MetaTileEntity_Buffer extends GT_MetaTileEntity_TieredM
     }
 
     @Override
+    public boolean onWrenchRightClick(byte aSide, byte aWrenchingSide, EntityPlayer aPlayer, float aX, float aY, float aZ) {
+        aWrenchingSide = GT_Utility.getOppositeSide(aWrenchingSide);
+        if (getBaseMetaTileEntity().isValidFacing(aWrenchingSide)) {
+            getBaseMetaTileEntity().setFrontFacing(aWrenchingSide);
+            return true;
+        }
+        return false;
+    }
+
+    @Override
     public void onPostTick(IGregTechTileEntity aBaseMetaTileEntity, long aTimer) {
         if (aBaseMetaTileEntity.isAllowedToWork() && aBaseMetaTileEntity.isServerSide() && (aBaseMetaTileEntity.hasWorkJustBeenEnabled() || aBaseMetaTileEntity.hasInventoryBeenModified() || aTimer % 200 == 0 || mSuccess > 0)) {
             mSuccess--;
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Input.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Input.java
index fd7eb0fc94..972ac87d02 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Input.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Input.java
@@ -1,5 +1,6 @@
 package gregtech.api.metatileentity.implementations;
 
+import gregtech.GT_Mod;
 import gregtech.api.interfaces.ITexture;
 import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
 import gregtech.api.metatileentity.MetaTileEntity;
@@ -8,8 +9,10 @@ import gregtech.api.util.GT_Recipe.GT_Recipe_Map;
 import gregtech.api.util.GT_Utility;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
 import net.minecraftforge.fluids.FluidStack;
 
+import static gregtech.api.enums.Textures.BlockIcons.FLUID_IN_SIGN;
 import static gregtech.api.enums.Textures.BlockIcons.OVERLAY_PIPE_IN;
 
 public class GT_MetaTileEntity_Hatch_Input extends GT_MetaTileEntity_Hatch {
@@ -18,7 +21,7 @@ public class GT_MetaTileEntity_Hatch_Input extends GT_MetaTileEntity_Hatch {
     public GT_MetaTileEntity_Hatch_Input(int aID, String aName, String aNameRegional, int aTier) {
         super(aID, aName, aNameRegional, aTier, 3, new String[]{
                 "Fluid Input for Multiblocks",
-                "Capacity: " + GT_Utility.formatNumbers(8000+8000*(aTier*(aTier+1)>>1)) + "L"});
+                "Capacity: " + GT_Utility.formatNumbers(8000*(1<<aTier)) + "L"});
     }
 
     public GT_MetaTileEntity_Hatch_Input(String aName, int aTier, String aDescription, ITexture[][][] aTextures) {
@@ -31,12 +34,16 @@ public class GT_MetaTileEntity_Hatch_Input extends GT_MetaTileEntity_Hatch {
 
     @Override
     public ITexture[] getTexturesActive(ITexture aBaseTexture) {
-        return new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN)};
+        return GT_Mod.gregtechproxy.mRenderIndicatorsOnHatch ?
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN), TextureFactory.of(FLUID_IN_SIGN)} :
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN)};
     }
 
     @Override
     public ITexture[] getTexturesInactive(ITexture aBaseTexture) {
-        return new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN)};
+        return GT_Mod.gregtechproxy.mRenderIndicatorsOnHatch ?
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN), TextureFactory.of(FLUID_IN_SIGN)} :
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN)};
     }
 
     @Override
@@ -60,6 +67,19 @@ public class GT_MetaTileEntity_Hatch_Input extends GT_MetaTileEntity_Hatch {
     }
 
     @Override
+    public void saveNBTData(NBTTagCompound aNBT) {
+        super.saveNBTData(aNBT);
+        if (mRecipeMap != null)
+            aNBT.setString("recipeMap", mRecipeMap.mUniqueIdentifier);
+    }
+
+    @Override
+    public void loadNBTData(NBTTagCompound aNBT) {
+        super.loadNBTData(aNBT);
+        mRecipeMap = GT_Recipe_Map.sIndexedMappings.getOrDefault(aNBT.getString("recipeMap"), null);
+    }
+
+    @Override
     public boolean onRightclick(IGregTechTileEntity aBaseMetaTileEntity, EntityPlayer aPlayer) {
         if (aBaseMetaTileEntity.isClientSide()) return true;
         aBaseMetaTileEntity.openGUI(aPlayer);
@@ -119,7 +139,7 @@ public class GT_MetaTileEntity_Hatch_Input extends GT_MetaTileEntity_Hatch {
 
     @Override
     public int getCapacity() {
-        return 8000+8000*(mTier*(mTier+1)>>1);
+        return 8000*(1<<mTier);
     }
 
     @Override
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_InputBus.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_InputBus.java
index cfb4d33150..2b7e50519d 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_InputBus.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_InputBus.java
@@ -8,6 +8,7 @@ import gregtech.api.metatileentity.MetaTileEntity;
 import gregtech.api.render.TextureFactory;
 import gregtech.api.util.GT_ClientPreference;
 import gregtech.api.util.GT_LanguageManager;
+import gregtech.api.util.GT_OreDictUnificator;
 import gregtech.api.util.GT_Recipe.GT_Recipe_Map;
 import gregtech.api.util.GT_Utility;
 import gregtech.api.util.extensions.ArrayExt;
@@ -17,12 +18,13 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.StatCollector;
 
-import static gregtech.api.enums.Textures.BlockIcons.OVERLAY_PIPE_IN;
+import static gregtech.api.enums.Textures.BlockIcons.*;
 
 public class GT_MetaTileEntity_Hatch_InputBus extends GT_MetaTileEntity_Hatch {
     public GT_Recipe_Map mRecipeMap = null;
     public boolean disableSort;
     public boolean disableFilter = false;
+    public boolean disableLimited = true;
 
     public GT_MetaTileEntity_Hatch_InputBus(int id, String name, String nameRegional, int tier) {
         this(id, name, nameRegional, tier, getSlots(tier));
@@ -51,12 +53,16 @@ public class GT_MetaTileEntity_Hatch_InputBus extends GT_MetaTileEntity_Hatch {
 
     @Override
     public ITexture[] getTexturesActive(ITexture aBaseTexture) {
-        return new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN)};
+        return GT_Mod.gregtechproxy.mRenderIndicatorsOnHatch ?
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN), TextureFactory.of(ITEM_IN_SIGN)} :
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN)};
     }
 
     @Override
     public ITexture[] getTexturesInactive(ITexture aBaseTexture) {
-        return new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN)};
+        return GT_Mod.gregtechproxy.mRenderIndicatorsOnHatch ?
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN), TextureFactory.of(ITEM_IN_SIGN)} :
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_IN)};
     }
 
     @Override
@@ -162,6 +168,9 @@ public class GT_MetaTileEntity_Hatch_InputBus extends GT_MetaTileEntity_Hatch {
         super.saveNBTData(aNBT);
         aNBT.setBoolean("disableSort", disableSort);
         aNBT.setBoolean("disableFilter", disableFilter);
+        aNBT.setBoolean("disableLimited", disableLimited);
+        if (mRecipeMap != null)
+            aNBT.setString("recipeMap", mRecipeMap.mUniqueIdentifier);
     }
 
     @Override
@@ -169,15 +178,28 @@ public class GT_MetaTileEntity_Hatch_InputBus extends GT_MetaTileEntity_Hatch {
         super.loadNBTData(aNBT);
         disableSort = aNBT.getBoolean("disableSort");
         disableFilter = aNBT.getBoolean("disableFilter");
+        if(aNBT.hasKey("disableLimited"))
+            disableLimited = aNBT.getBoolean("disableLimited");
+        mRecipeMap = GT_Recipe_Map.sIndexedMappings.getOrDefault(aNBT.getString("recipeMap"), null);
     }
 
     @Override
     public void onScrewdriverRightClick(byte aSide, EntityPlayer aPlayer, float aX, float aY, float aZ) {
-        if (!getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).isGUIClickable(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), getBaseMetaTileEntity()))
+        if (!getBaseMetaTileEntity().getCoverBehaviorAtSideNew(aSide).isGUIClickable(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getComplexCoverDataAtSide(aSide), getBaseMetaTileEntity()))
             return;
         if (aPlayer.isSneaking()) {
-            disableSort = !disableSort;
-            GT_Utility.sendChatToPlayer(aPlayer, trans("200", "Sort mode: " + (disableSort ? "Disabled" : "Enabled")));
+            if(disableSort) {
+                disableSort = false;
+            } else {
+                if(disableLimited) {
+                    disableLimited = false;
+                } else {
+                    disableSort = true;
+                    disableLimited = true;
+                }
+            }
+            GT_Utility.sendChatToPlayer(aPlayer, StatCollector.translateToLocal("GT5U.hatch.disableSort." + disableSort) + "   " +
+                    StatCollector.translateToLocal("GT5U.hatch.disableLimited." + disableLimited));
         } else {
             disableFilter = !disableFilter;
             GT_Utility.sendChatToPlayer(aPlayer, StatCollector.translateToLocal("GT5U.hatch.disableFilter." + disableFilter));
@@ -196,6 +218,15 @@ public class GT_MetaTileEntity_Hatch_InputBus extends GT_MetaTileEntity_Hatch {
 
     @Override
     public boolean allowPutStack(IGregTechTileEntity aBaseMetaTileEntity, int aIndex, byte aSide, ItemStack aStack) {
-        return aSide == getBaseMetaTileEntity().getFrontFacing() && (mRecipeMap == null || disableFilter || mRecipeMap.containsInput(aStack));
+        return aSide == getBaseMetaTileEntity().getFrontFacing()
+                && (mRecipeMap == null || disableFilter || mRecipeMap.containsInput(aStack))
+                && (disableLimited || limitedAllowPutStack(aIndex, aStack));
+    }
+
+    protected boolean limitedAllowPutStack(int aIndex, ItemStack aStack) {
+        for (int i = 0; i < getSizeInventory(); i++)
+            if (GT_Utility.areStacksEqual(GT_OreDictUnificator.get_nocopy(aStack), mInventory[i]))
+                return i == aIndex;
+        return mInventory[aIndex] == null;
     }
 }
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Maintenance.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Maintenance.java
index 9067f5bb7b..88506d928e 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Maintenance.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Maintenance.java
@@ -16,12 +16,16 @@ import gregtech.api.render.TextureFactory;
 import gregtech.api.util.GT_ModHandler;
 import gregtech.api.util.GT_OreDictUnificator;
 import gregtech.api.util.GT_Utility;
+import ic2.core.IHasGui;
+import ic2.core.Ic2Items;
+import ic2.core.item.ItemToolbox;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.entity.player.InventoryPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
+import java.util.HashSet;
 
 import static gregtech.api.enums.Textures.BlockIcons.OVERLAY_AUTOMAINTENANCE;
 import static gregtech.api.enums.Textures.BlockIcons.OVERLAY_AUTOMAINTENANCE_GLOW;
@@ -218,17 +222,37 @@ public class GT_MetaTileEntity_Hatch_Maintenance extends GT_MetaTileEntity_Hatch
 
     public void onToolClick(ItemStack aStack, EntityLivingBase aPlayer) {
         if (aStack == null || aPlayer == null) return;
-        if (GT_Utility.isStackInList(aStack, GregTech_API.sWrenchList) && GT_ModHandler.damageOrDechargeItem(aStack, 1, 1000, aPlayer))
+        
+        // Allow IC2 Toolbox with tools to function for maint issues.
+        if (aStack.getItem() instanceof ItemToolbox && aPlayer instanceof EntityPlayer) {
+        	EntityPlayer aPlayerEntity = (EntityPlayer) aPlayer;
+        	ItemToolbox aToolbox = (ItemToolbox) aStack.getItem();
+        	IHasGui aToolboxGUI = aToolbox.getInventory(aPlayerEntity, aStack);
+        	HashSet<ItemStack> aToolboxContents = new HashSet<ItemStack>();
+        	for (int i=0; i<aToolboxGUI.getSizeInventory(); i++) {
+        		ItemStack aTemp = aToolboxGUI.getStackInSlot(i);
+        		if (aTemp != null) {
+        			aToolboxContents.add(aTemp);
+        		}
+        	}
+        	if (!aToolboxContents.isEmpty()) {
+        		for (ItemStack aTool : aToolboxContents) {
+        			onToolClick(aTool, aPlayer);
+        		}
+        	}
+        }
+        
+        if (GT_Utility.isStackInList(aStack, GregTech_API.sWrenchList) && !mWrench && GT_ModHandler.damageOrDechargeItem(aStack, 1, 1000, aPlayer))
             mWrench = true;
-        if (GT_Utility.isStackInList(aStack, GregTech_API.sScrewdriverList) && GT_ModHandler.damageOrDechargeItem(aStack, 1, 1000, aPlayer))
+        if (GT_Utility.isStackInList(aStack, GregTech_API.sScrewdriverList) && !mScrewdriver && GT_ModHandler.damageOrDechargeItem(aStack, 1, 1000, aPlayer))
             mScrewdriver = true;
-        if (GT_Utility.isStackInList(aStack, GregTech_API.sSoftHammerList) && GT_ModHandler.damageOrDechargeItem(aStack, 1, 1000, aPlayer))
+        if (GT_Utility.isStackInList(aStack, GregTech_API.sSoftHammerList) && !mSoftHammer && GT_ModHandler.damageOrDechargeItem(aStack, 1, 1000, aPlayer))
             mSoftHammer = true;
-        if (GT_Utility.isStackInList(aStack, GregTech_API.sHardHammerList) && GT_ModHandler.damageOrDechargeItem(aStack, 1, 1000, aPlayer))
+        if (GT_Utility.isStackInList(aStack, GregTech_API.sHardHammerList) && !mHardHammer && GT_ModHandler.damageOrDechargeItem(aStack, 1, 1000, aPlayer))
             mHardHammer = true;
-        if (GT_Utility.isStackInList(aStack, GregTech_API.sCrowbarList) && GT_ModHandler.damageOrDechargeItem(aStack, 1, 1000, aPlayer))
+        if (GT_Utility.isStackInList(aStack, GregTech_API.sCrowbarList) && !mCrowbar && GT_ModHandler.damageOrDechargeItem(aStack, 1, 1000, aPlayer))
             mCrowbar = true;
-        if (GT_ModHandler.useSolderingIron(aStack, aPlayer)) mSolderingTool = true;
+        if (!mSolderingTool && GT_ModHandler.useSolderingIron(aStack, aPlayer)) mSolderingTool = true;
         if (GT_OreDictUnificator.isItemStackInstanceOf(aStack, "craftingDuctTape")) {
             mWrench = mScrewdriver = mSoftHammer = mHardHammer = mCrowbar = mSolderingTool = true;
             getBaseMetaTileEntity().setActive(false);
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Output.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Output.java
index bb23452220..d848b06b07 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Output.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_Output.java
@@ -1,54 +1,60 @@
 package gregtech.api.metatileentity.implementations;
 
+import gregtech.GT_Mod;
 import gregtech.api.interfaces.ITexture;
 import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
 import gregtech.api.metatileentity.MetaTileEntity;
 import gregtech.api.render.TextureFactory;
 import gregtech.api.util.GT_LanguageManager;
 import gregtech.api.util.GT_Utility;
+import gregtech.common.gui.GT_Container_OutputHatch;
+import gregtech.common.gui.GT_GUIContainer_OutputHatch;
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.player.InventoryPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.util.StatCollector;
 import net.minecraftforge.common.util.ForgeDirection;
-import net.minecraftforge.fluids.FluidContainerRegistry;
-import net.minecraftforge.fluids.FluidStack;
-import net.minecraftforge.fluids.IFluidContainerItem;
-import net.minecraftforge.fluids.IFluidHandler;
+import net.minecraftforge.fluids.*;
 
+import static gregtech.api.enums.Textures.BlockIcons.FLUID_OUT_SIGN;
 import static gregtech.api.enums.Textures.BlockIcons.OVERLAY_PIPE_OUT;
 
 public class GT_MetaTileEntity_Hatch_Output extends GT_MetaTileEntity_Hatch {
-	private String lockedFluidName = null;
-	private EntityPlayer playerThatLockedfluid = null;
+    private String lockedFluidName = null;
+    private EntityPlayer playerThatLockedfluid = null;
     public byte mMode = 0;
 
     public GT_MetaTileEntity_Hatch_Output(int aID, String aName, String aNameRegional, int aTier) {
-        super(aID, aName, aNameRegional, aTier, 3, new String[]{
-        		"Fluid Output for Multiblocks",
-        		"Capacity: "  + GT_Utility.formatNumbers(8000+8000*(aTier*(aTier+1)>>1)) + "L",
-        		"Right click with screwdriver to restrict output",
-        		"Can be restricted to put out Items and/or Steam/No Steam/1 specific Fluid",
-        		"Restricted Output Hatches are given priority for Multiblock Fluid output"});
+        super(aID, aName, aNameRegional, aTier, 4, new String[]{
+                "Fluid Output for Multiblocks",
+                "Capacity: "  + GT_Utility.formatNumbers(8000*(1<<aTier)) + "L",
+                "Right click with screwdriver to restrict output",
+                "Can be restricted to put out Items and/or Steam/No Steam/1 specific Fluid",
+                "Restricted Output Hatches are given priority for Multiblock Fluid output"});
     }
 
     public GT_MetaTileEntity_Hatch_Output(String aName, int aTier, String aDescription, ITexture[][][] aTextures) {
-        super(aName, aTier, 3, aDescription, aTextures);
+        super(aName, aTier, 4, aDescription, aTextures);
     }
 
     public GT_MetaTileEntity_Hatch_Output(String aName, int aTier, String[] aDescription, ITexture[][][] aTextures) {
-        super(aName, aTier, 3, aDescription, aTextures);
+        super(aName, aTier, 4, aDescription, aTextures);
     }
 
     @Override
     public ITexture[] getTexturesActive(ITexture aBaseTexture) {
-        return new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT)};
+        return GT_Mod.gregtechproxy.mRenderIndicatorsOnHatch ?
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT), TextureFactory.of(FLUID_OUT_SIGN)} :
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT)};
     }
 
     @Override
     public ITexture[] getTexturesInactive(ITexture aBaseTexture) {
-        return new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT)};
+        return GT_Mod.gregtechproxy.mRenderIndicatorsOnHatch ?
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT), TextureFactory.of(FLUID_OUT_SIGN)} :
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT)};
     }
 
     @Override
@@ -86,18 +92,14 @@ public class GT_MetaTileEntity_Hatch_Output extends GT_MetaTileEntity_Hatch {
     @Override
     public void onPostTick(IGregTechTileEntity aBaseMetaTileEntity, long aTick) {
         super.onPostTick(aBaseMetaTileEntity, aTick);
-        if (aBaseMetaTileEntity.isServerSide() && aBaseMetaTileEntity.isAllowedToWork() && (aTick&0x7)==0) {
+        if (aBaseMetaTileEntity.isServerSide() && aBaseMetaTileEntity.isAllowedToWork() && mFluid != null) {
             IFluidHandler tTileEntity = aBaseMetaTileEntity.getITankContainerAtSide(aBaseMetaTileEntity.getFrontFacing());
             if (tTileEntity != null) {
-                for (boolean temp = true; temp && mFluid != null; ) {
-                    temp = false;
-                    FluidStack tDrained = aBaseMetaTileEntity.drain(ForgeDirection.getOrientation(aBaseMetaTileEntity.getFrontFacing()), Math.max(1, mFluid.amount), false);
-                    if (tDrained != null) {
-                        int tFilledAmount = tTileEntity.fill(ForgeDirection.getOrientation(aBaseMetaTileEntity.getBackFacing()), tDrained, false);
-                        if (tFilledAmount > 0) {
-                            temp = true;
-                            tTileEntity.fill(ForgeDirection.getOrientation(aBaseMetaTileEntity.getBackFacing()), aBaseMetaTileEntity.drain(ForgeDirection.getOrientation(aBaseMetaTileEntity.getFrontFacing()), tFilledAmount, true), true);
-                        }
+                FluidStack tDrained = aBaseMetaTileEntity.drain(ForgeDirection.getOrientation(aBaseMetaTileEntity.getFrontFacing()), Math.max(1, mFluid.amount), false);
+                if (tDrained != null) {
+                    int tFilledAmount = tTileEntity.fill(ForgeDirection.getOrientation(aBaseMetaTileEntity.getBackFacing()), tDrained, false);
+                    if (tFilledAmount > 0) {
+                        tTileEntity.fill(ForgeDirection.getOrientation(aBaseMetaTileEntity.getBackFacing()), aBaseMetaTileEntity.drain(ForgeDirection.getOrientation(aBaseMetaTileEntity.getFrontFacing()), tFilledAmount, true), true);
                     }
                 }
             }
@@ -151,6 +153,39 @@ public class GT_MetaTileEntity_Hatch_Output extends GT_MetaTileEntity_Hatch {
     }
 
     @Override
+    public void updateFluidDisplayItem() {
+        super.updateFluidDisplayItem();
+        if (lockedFluidName == null || mMode < 8) mInventory[3] = null;
+        else {
+            FluidStack tLockedFluid = FluidRegistry.getFluidStack(lockedFluidName.replace("fluid.", "")
+                .replace("tile.", "").replace(".name", "").replace("ic2.fluid", "ic2").toLowerCase(), 1);
+            // Because getStackDisplaySlot() only allow return one int, this place I only can manually set.
+            if (tLockedFluid != null) {
+                mInventory[3] = GT_Utility.getFluidDisplayStack(tLockedFluid, false, true);
+            }
+            else {
+                mInventory[3] = null;
+            }
+        }
+    }
+
+    @Override
+    public boolean isValidSlot(int aIndex) {
+        // Because getStackDisplaySlot() only allow return one int, this place I only can manually set.
+        return aIndex != getStackDisplaySlot() && aIndex != 3;
+    }
+
+    @Override
+    public Object getServerGUI(int aID, InventoryPlayer aPlayerInventory, IGregTechTileEntity aBaseMetaTileEntity) {
+        return new GT_Container_OutputHatch(aPlayerInventory, aBaseMetaTileEntity);
+    }
+
+    @Override
+    public Object getClientGUI(int aID, InventoryPlayer aPlayerInventory, IGregTechTileEntity aBaseMetaTileEntity) {
+        return new GT_GUIContainer_OutputHatch(aPlayerInventory, aBaseMetaTileEntity, getLocalName());
+    }
+
+    @Override
     public boolean allowPullStack(IGregTechTileEntity aBaseMetaTileEntity, int aIndex, byte aSide, ItemStack aStack) {
         return aSide == aBaseMetaTileEntity.getFrontFacing() && aIndex == 1;
     }
@@ -162,17 +197,17 @@ public class GT_MetaTileEntity_Hatch_Output extends GT_MetaTileEntity_Hatch {
 
     @Override
     public int getCapacity() {
-        return 8000+8000*(mTier*(mTier+1)>>1);
+        return 8000*(1<<mTier);
     }
 
     @Override
     public void onScrewdriverRightClick(byte aSide, EntityPlayer aPlayer, float aX, float aY, float aZ) {
-        if (!getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).isGUIClickable(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), getBaseMetaTileEntity()))
+        if (!getBaseMetaTileEntity().getCoverBehaviorAtSideNew(aSide).isGUIClickable(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getComplexCoverDataAtSide(aSide), getBaseMetaTileEntity()))
             return;
         if (aPlayer.isSneaking()) {
-        	mMode = (byte) ((mMode + 9) % 10);
+            mMode = (byte) ((mMode + 9) % 10);
         } else {
-            mMode = (byte) ((mMode + 1) % 10);        	
+            mMode = (byte) ((mMode + 1) % 10);
         }
         String inBrackets;
         switch (mMode) {
@@ -209,31 +244,32 @@ public class GT_MetaTileEntity_Hatch_Output extends GT_MetaTileEntity_Hatch {
                 this.setLockedFluidName(null);
                 break;
             case 8:
-            	playerThatLockedfluid = aPlayer;
-            	if (mFluid == null) {
+                playerThatLockedfluid = aPlayer;
+                if (mFluid == null) {
                     this.setLockedFluidName(null);
-            		inBrackets = trans("115.3","currently none, will be locked to the next that is put in (or use fluid cell to lock)");
-            	} else {
-            		this.setLockedFluidName(this.getDrainableStack().getUnlocalizedName());
-            		inBrackets = this.getDrainableStack().getLocalizedName();
-            	}
+                    inBrackets = trans("115.3","currently none, will be locked to the next that is put in (or use fluid cell to lock)");
+                } else {
+                    this.setLockedFluidName(this.getDrainableStack().getUnlocalizedName());
+                    inBrackets = this.getDrainableStack().getLocalizedName();
+                }
                 GT_Utility.sendChatToPlayer(aPlayer, String.format("%s (%s)", trans("151.1", "Outputs items and 1 specific Fluid"), inBrackets));
                 break;
             case 9:
-            	playerThatLockedfluid = aPlayer;
-            	if (mFluid == null) {
+                playerThatLockedfluid = aPlayer;
+                if (mFluid == null) {
                     this.setLockedFluidName(null);
-            		inBrackets = trans("115.3","currently none, will be locked to the next that is put in (or use fluid cell to lock)");
-            	} else {
-            		this.setLockedFluidName(this.getDrainableStack().getUnlocalizedName());
-            		inBrackets = this.getDrainableStack().getLocalizedName();
-            	}
+                    inBrackets = trans("115.3","currently none, will be locked to the next that is put in (or use fluid cell to lock)");
+                } else {
+                    this.setLockedFluidName(this.getDrainableStack().getUnlocalizedName());
+                    inBrackets = this.getDrainableStack().getLocalizedName();
+                }
                 GT_Utility.sendChatToPlayer(aPlayer, String.format("%s (%s)", trans("151.2", "Outputs 1 specific Fluid"), inBrackets));
                 break;
         }
     }
+
     private boolean tryToLockHatch(EntityPlayer aPlayer, byte aSide) {
-        if (!getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).isGUIClickable(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), getBaseMetaTileEntity()))
+        if (!getBaseMetaTileEntity().getCoverBehaviorAtSideNew(aSide).isGUIClickable(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getComplexCoverDataAtSide(aSide), getBaseMetaTileEntity()))
             return false;
         if (!isFluidLocked())
             return false;
@@ -260,6 +296,11 @@ public class GT_MetaTileEntity_Hatch_Output extends GT_MetaTileEntity_Hatch {
         }
         return false;
     }
+
+    public byte getMode() {
+        return mMode;
+    }
+
     @Override
     public boolean onRightclick(IGregTechTileEntity aBaseMetaTileEntity, EntityPlayer aPlayer, byte aSide, float aX, float aY, float aZ) {
         if (tryToLockHatch(aPlayer, aSide))
@@ -269,7 +310,7 @@ public class GT_MetaTileEntity_Hatch_Output extends GT_MetaTileEntity_Hatch {
 
     @Override
     public String trans(String aKey, String aEnglish){
-    	return GT_LanguageManager.addStringLocalization("Interaction_DESCRIPTION_Index_"+aKey, aEnglish, false);
+        return GT_LanguageManager.addStringLocalization("Interaction_DESCRIPTION_Index_"+aKey, aEnglish, false);
     }
 
     public boolean outputsSteam() {
@@ -283,44 +324,46 @@ public class GT_MetaTileEntity_Hatch_Output extends GT_MetaTileEntity_Hatch {
     public boolean outputsItems() {
         return mMode % 4 < 2 && mMode != 9;
     }
-    
-    public boolean isFluidLocked(){
-    	return mMode == 8 || mMode == 9;
+
+    public boolean isFluidLocked() {
+        return mMode == 8 || mMode == 9;
     }
-    
+
     public String getLockedFluidName() {
-    	return lockedFluidName;
+        return lockedFluidName;
     }
-    
+
     public void setLockedFluidName(String lockedFluidName) {
-    	this.lockedFluidName = lockedFluidName;
+        this.lockedFluidName = lockedFluidName;
     }
 
     @Override
     public int getTankPressure() {
         return +100;
     }
-    
+
     @Override
     protected void onEmptyingContainerWhenEmpty() {
-    	if (this.lockedFluidName == null && this.mFluid != null) {
-        	this.setLockedFluidName(this.mFluid.getUnlocalizedName());
-        	GT_Utility.sendChatToPlayer(playerThatLockedfluid, String.format(trans("151.4","Sucessfully locked Fluid to %s"), mFluid.getLocalizedName()));
-    	}
+        if (this.lockedFluidName == null && this.mFluid != null) {
+            this.setLockedFluidName(this.mFluid.getUnlocalizedName());
+            GT_Utility.sendChatToPlayer(playerThatLockedfluid, String.format(trans("151.4","Sucessfully locked Fluid to %s"), mFluid.getLocalizedName()));
+        }
     }
+
     @Override
     public boolean isGivingInformation() {
         return true;
     }
+
     @Override
     public String[] getInfoData() {
         return new String[]{
-            EnumChatFormatting.BLUE + "Output Hatch" + EnumChatFormatting.RESET,
-            "Stored Fluid:",
-            EnumChatFormatting.GOLD + (mFluid == null ? "No Fluid" : mFluid.getLocalizedName()) + EnumChatFormatting.RESET,
-            EnumChatFormatting.GREEN + GT_Utility.formatNumbers(mFluid == null ? 0 : mFluid.amount) + " L" + EnumChatFormatting.RESET + " " +
-                EnumChatFormatting.YELLOW + GT_Utility.formatNumbers(getCapacity()) + " L"+ EnumChatFormatting.RESET,
-            lockedFluidName == null ? "Not Locked" : ("Locked to " + StatCollector.translateToLocal(getLockedFluidName()))
+                EnumChatFormatting.BLUE + "Output Hatch" + EnumChatFormatting.RESET,
+                "Stored Fluid:",
+                EnumChatFormatting.GOLD + (mFluid == null ? "No Fluid" : mFluid.getLocalizedName()) + EnumChatFormatting.RESET,
+                EnumChatFormatting.GREEN + GT_Utility.formatNumbers(mFluid == null ? 0 : mFluid.amount) + " L" + EnumChatFormatting.RESET + " " +
+                        EnumChatFormatting.YELLOW + GT_Utility.formatNumbers(getCapacity()) + " L"+ EnumChatFormatting.RESET,
+            (!isFluidLocked() || lockedFluidName == null) ? "Not Locked" : ("Locked to " + StatCollector.translateToLocal(getLockedFluidName()))
         };
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_OutputBus.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_OutputBus.java
index f997f5f489..60832dd4d9 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_OutputBus.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_Hatch_OutputBus.java
@@ -1,5 +1,6 @@
 package gregtech.api.metatileentity.implementations;
 
+import gregtech.GT_Mod;
 import gregtech.api.gui.*;
 import gregtech.api.interfaces.ITexture;
 import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
@@ -12,6 +13,7 @@ import net.minecraft.entity.player.InventoryPlayer;
 import net.minecraft.inventory.IInventory;
 import net.minecraft.item.ItemStack;
 
+import static gregtech.api.enums.Textures.BlockIcons.ITEM_OUT_SIGN;
 import static gregtech.api.enums.Textures.BlockIcons.OVERLAY_PIPE_OUT;
 import static gregtech.api.util.GT_Utility.moveMultipleItemStacks;
 
@@ -50,12 +52,16 @@ public class GT_MetaTileEntity_Hatch_OutputBus extends GT_MetaTileEntity_Hatch {
 
     @Override
     public ITexture[] getTexturesActive(ITexture aBaseTexture) {
-        return new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT)};
+        return GT_Mod.gregtechproxy.mRenderIndicatorsOnHatch ?
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT), TextureFactory.of(ITEM_OUT_SIGN)} :
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT)};
     }
 
     @Override
     public ITexture[] getTexturesInactive(ITexture aBaseTexture) {
-        return new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT)};
+        return GT_Mod.gregtechproxy.mRenderIndicatorsOnHatch ?
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT), TextureFactory.of(ITEM_OUT_SIGN)} :
+                new ITexture[]{aBaseTexture, TextureFactory.of(OVERLAY_PIPE_OUT)};
     }
 
     @Override
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_MultiBlockBase.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_MultiBlockBase.java
index 7a2f1bedac..6369c48f8e 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_MultiBlockBase.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_MultiBlockBase.java
@@ -13,6 +13,7 @@ import gregtech.api.objects.GT_ItemStack;
 import gregtech.api.util.GT_Log;
 import gregtech.api.util.GT_ModHandler;
 import gregtech.api.util.GT_Recipe.GT_Recipe_Map;
+import gregtech.api.util.GT_Single_Recipe_Check;
 import gregtech.api.util.GT_Utility;
 import gregtech.common.GT_Pollution;
 import gregtech.common.items.GT_MetaGenerated_Tool_01;
@@ -43,6 +44,9 @@ public abstract class GT_MetaTileEntity_MultiBlockBase extends MetaTileEntity {
     public int damageFactorLow = 5;
     public float damageFactorHigh = 0.6f;
 
+    public boolean mLockedToSingleRecipe = false;
+    public GT_Single_Recipe_Check mSingleRecipeCheck = null;
+
     public ArrayList<GT_MetaTileEntity_Hatch_Input> mInputHatches = new ArrayList<>();
     public ArrayList<GT_MetaTileEntity_Hatch_Output> mOutputHatches = new ArrayList<>();
     public ArrayList<GT_MetaTileEntity_Hatch_InputBus> mInputBusses = new ArrayList<>();
@@ -81,6 +85,24 @@ public abstract class GT_MetaTileEntity_MultiBlockBase extends MetaTileEntity {
         return aSide != getBaseMetaTileEntity().getFrontFacing();
     }
 
+    /** Override this if you are a multi-block that has added support for single recipe locking. */
+    public boolean supportsSingleRecipeLocking() {
+        return false;
+    }
+
+    @Override
+    public void onScrewdriverRightClick(byte aSide, EntityPlayer aPlayer, float aX, float aY, float aZ) {
+        if (supportsSingleRecipeLocking()) {
+            mLockedToSingleRecipe = !mLockedToSingleRecipe;
+            if (mLockedToSingleRecipe) {
+                GT_Utility.sendChatToPlayer(aPlayer, trans("219","Single recipe locking enabled. Will lock to next recipe."));
+            } else {
+                GT_Utility.sendChatToPlayer(aPlayer, trans("220","Single recipe locking disabled."));
+                mSingleRecipeCheck = null;
+            }
+        }
+    }
+
     @Override
     public boolean isSimpleMachine() {
         return false;
@@ -125,6 +147,7 @@ public abstract class GT_MetaTileEntity_MultiBlockBase extends MetaTileEntity {
         aNBT.setInteger("mEfficiency", mEfficiency);
         aNBT.setInteger("mPollution", mPollution);
         aNBT.setInteger("mRuntime", mRuntime);
+        aNBT.setBoolean("mLockedToSingleRecipe", mLockedToSingleRecipe);
 
         if (mOutputItems != null) {
             aNBT.setInteger("mOutputItemsLength", mOutputItems.length);
@@ -162,6 +185,7 @@ public abstract class GT_MetaTileEntity_MultiBlockBase extends MetaTileEntity {
         mEfficiency = aNBT.getInteger("mEfficiency");
         mPollution = aNBT.getInteger("mPollution");
         mRuntime = aNBT.getInteger("mRuntime");
+        mLockedToSingleRecipe = aNBT.getBoolean("mLockedToSingleRecipe");
 
         int aOutputItemsLength = aNBT.getInteger("mOutputItemsLength");
         if (aOutputItemsLength > 0) {