add info display for filled tank and fluid container feature

1 files changed, 90 insertions, 1 deletions

diff --git a/src/main/java/gregtech/common/blocks/GT_Item_Machines.java b/src/main/java/gregtech/common/blocks/GT_Item_Machines.java
index 55743f445d..b59dd1d848 100644
--- a/src/main/java/gregtech/common/blocks/GT_Item_Machines.java
+++ b/src/main/java/gregtech/common/blocks/GT_Item_Machines.java
@@ -30,10 +30,12 @@ import net.minecraft.potion.Potion;
 import net.minecraft.potion.PotionEffect;
 import net.minecraft.util.EnumChatFormatting;
 import net.minecraft.world.World;
+import net.minecraftforge.fluids.FluidStack;
+import net.minecraftforge.fluids.IFluidContainerItem;
 
 import java.util.List;
 
-public class GT_Item_Machines extends ItemBlock {
+public class GT_Item_Machines extends ItemBlock implements IFluidContainerItem {
 
     private static final String[] directionNames = {"Bottom", "Top", "North", "South", "West", "East"};
 
@@ -89,6 +91,15 @@ public class GT_Item_Machines extends ItemBlock {
                     }
                     aList.add(GT_LanguageManager.addStringLocalization("TileEntity_EUp_STORE", "Capacity: ", !GregTech_API.sPostloadFinished ) + EnumChatFormatting.BLUE + GT_Utility.formatNumbers(tTileEntity.getEUCapacity()) + EnumChatFormatting.GRAY);
                 }
+                if (GregTech_API.METATILEENTITIES[tDamage] instanceof GT_MetaTileEntity_QuantumTank || GregTech_API.METATILEENTITIES[tDamage] instanceof GT_MetaTileEntity_SuperTank) {
+                    if (aStack.hasTagCompound() && aStack.stackTagCompound.hasKey("mFluid")) {
+                        FluidStack tContents = FluidStack.loadFluidStackFromNBT(aStack.stackTagCompound.getCompoundTag("mFluid"));
+                        if (tContents != null && tContents.amount > 0) {
+                            aList.add(GT_LanguageManager.addStringLocalization("TileEntity_TANK_INFO", "Contains Fluid: ", !GregTech_API.sPostloadFinished ) + EnumChatFormatting.YELLOW + tContents.getLocalizedName() + EnumChatFormatting.GRAY);
+                            aList.add(GT_LanguageManager.addStringLocalization("TileEntity_TANK_AMOUNT", "Fluid Amount: ", !GregTech_API.sPostloadFinished ) + EnumChatFormatting.GREEN + GT_Utility.formatNumbers(tContents.amount) + " L" + EnumChatFormatting.GRAY);
+                        }
+                    }
+                }
             }
             NBTTagCompound aNBT = aStack.getTagCompound();
             if (aNBT != null) {
@@ -240,4 +251,82 @@ public class GT_Item_Machines extends ItemBlock {
             }
         }
     }
+
+    @Override
+    public FluidStack getFluid(ItemStack container) {
+        if (container != null) {
+            NBTTagCompound tNBT = container.stackTagCompound;
+            if (tNBT != null && tNBT.hasKey("mFluid", 10)) {
+                return FluidStack.loadFluidStackFromNBT(tNBT.getCompoundTag("mFluid"));
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public int getCapacity(ItemStack container) {
+        if (container != null) {
+            int tDamage = container.getItemDamage();
+            IMetaTileEntity tMetaTile = GregTech_API.METATILEENTITIES[tDamage];
+            if (tMetaTile != null)
+                return tMetaTile.getCapacity();
+        }
+        return 0;
+    }
+
+    @Override
+    public int fill(ItemStack container, FluidStack resource, boolean doFill) {
+        if (container != null && resource != null) {
+            int tDamage = container.getItemDamage();
+            IMetaTileEntity tMetaTile = GregTech_API.METATILEENTITIES[tDamage];
+            if (!(tMetaTile instanceof GT_MetaTileEntity_QuantumTank || tMetaTile instanceof GT_MetaTileEntity_SuperTank)) {
+                return 0;
+            }
+            if (container.stackTagCompound == null) container.stackTagCompound = new NBTTagCompound();
+            FluidStack tStoredFluid = getFluid(container);
+            int tCapacity = getCapacity(container);
+            if (tCapacity <= 0) return 0;
+            if (tStoredFluid != null && tStoredFluid.isFluidEqual(resource)) {
+                int tAmount = Math.min(tCapacity - tStoredFluid.amount, resource.amount);
+                if (doFill) {
+                    FluidStack tNewFluid = new FluidStack(tStoredFluid, tAmount + tStoredFluid.amount);
+                    container.stackTagCompound.setTag("mFluid", tNewFluid.writeToNBT(new NBTTagCompound()));
+                }
+                return tAmount;
+            }
+            if (tStoredFluid == null) {
+                int tAmount = Math.min(tCapacity, resource.amount);
+                if (doFill) {
+                    FluidStack tNewFluid = new FluidStack(resource, tAmount);
+                    container.stackTagCompound.setTag("mFluid", tNewFluid.writeToNBT(new NBTTagCompound()));
+                }
+                return tAmount;
+            }
+        }
+        return 0;
+    }
+
+    @Override
+    public FluidStack drain(ItemStack container, int maxDrain, boolean doDrain) {
+        if (container != null) {
+            int tDamage = container.getItemDamage();
+            IMetaTileEntity tMetaTile = GregTech_API.METATILEENTITIES[tDamage];
+            if (!(tMetaTile instanceof GT_MetaTileEntity_QuantumTank || tMetaTile instanceof GT_MetaTileEntity_SuperTank)) {
+                return null;
+            }
+            if (container.stackTagCompound == null) container.stackTagCompound = new NBTTagCompound();
+            FluidStack tStoredFluid = getFluid(container);
+            if (tStoredFluid != null) {
+                int tAmount = Math.min(maxDrain, tStoredFluid.amount);
+                FluidStack tNewFluid = new FluidStack(tStoredFluid, tStoredFluid.amount - tAmount);
+                FluidStack tOutputFluid = new FluidStack(tStoredFluid, tAmount);
+                if (doDrain) {
+                    if (tNewFluid.amount <= 0) container.stackTagCompound.removeTag("mFluid");
+                    else container.stackTagCompound.setTag("mFluid", tNewFluid.writeToNBT(new NBTTagCompound()));
+                }
+                return tOutputFluid;
+            }
+        }
+        return null;
+    }
 }