Deep storage unit integration

src/main/java/powercrystals/minefactoryreloaded/api/IDeepStorageUnit.java

@@ -0,0 +1,26 @@
+package powercrystals.minefactoryreloaded.api;
+
+import net.minecraft.item.ItemStack;
+
+public interface IDeepStorageUnit
+{
+    /**
+     * @return A populated ItemStack with stackSize for the full amount of materials in the DSU. May have a stackSize > getMaxStackSize().
+     */
+    ItemStack getStoredItemType();
+
+    /**
+     * Sets the total amount of the item currently being stored, or zero if it wants to remove all items.
+     */
+    void setStoredItemCount(int amount);
+
+    /**
+     * Sets the type of the stored item and initializes the number of stored items to amount. Will overwrite any existing stored items.
+     */
+    void setStoredItemType(ItemStack type, int amount);
+
+    /**
+     * @return The maximum number of items the DSU can hold.
+     */
+    int getMaxStoredCount();
+}

src/main/java/refinedstorage/tile/TileExternalStorage.java

@@ -7,6 +7,7 @@ import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
+import powercrystals.minefactoryreloaded.api.IDeepStorageUnit;
 import refinedstorage.RefinedStorage;
 import refinedstorage.inventory.InventorySimple;
 import refinedstorage.network.MessagePriorityUpdate;
@@ -47,12 +48,24 @@ public class TileExternalStorage extends TileMachine implements IStorageProvider
 
     @Override
     public void addItems(List<StorageItem> items) {
-        IInventory connectedInventory = getConnectedInventory();
+        TileEntity connectedInventory = getConnectedInventory();
 
-        if (connectedInventory != null) {
+        if (connectedInventory instanceof IDeepStorageUnit) {
-            for (int i = 0; i < connectedInventory.getSizeInventory(); ++i) {
+            IDeepStorageUnit deep = (IDeepStorageUnit) connectedInventory;
-                if (connectedInventory.getStackInSlot(i) != null) {
+
-                    items.add(new StorageItem(connectedInventory.getStackInSlot(i)));
+            if (deep.getStoredItemType() != null) {
+                ItemStack stack = deep.getStoredItemType().copy();
+
+                while (stack.stackSize > 0) {
+                    items.add(new StorageItem(stack.splitStack(Math.min(stack.getMaxStackSize(), stack.stackSize))));
+                }
+            }
+        } else if (connectedInventory instanceof IInventory) {
+            IInventory inventory = (IInventory) connectedInventory;
+
+            for (int i = 0; i < inventory.getSizeInventory(); ++i) {
+                if (inventory.getStackInSlot(i) != null) {
+                    items.add(new StorageItem(inventory.getStackInSlot(i)));
                 }
             }
         }
@@ -60,27 +73,47 @@ public class TileExternalStorage extends TileMachine implements IStorageProvider
 
     @Override
     public void push(ItemStack stack) {
-        IInventory connectedInventory = getConnectedInventory();
+        TileEntity connectedInventory = getConnectedInventory();
 
-        if (connectedInventory == null) {
+        if (connectedInventory instanceof IDeepStorageUnit) {
-            return;
+            IDeepStorageUnit deep = (IDeepStorageUnit) connectedInventory;
+
+            if (deep.getStoredItemType() == null) {
+                deep.setStoredItemType(stack, stack.stackSize);
+            } else {
+                deep.setStoredItemCount(deep.getStoredItemType().stackSize + stack.stackSize);
+            }
+        } else if (connectedInventory instanceof IInventory) {
+            InventoryUtils.pushToInventory((IInventory) connectedInventory, stack);
         }
-
-        InventoryUtils.pushToInventory(connectedInventory, stack);
     }
 
     @Override
     public ItemStack take(ItemStack stack, int flags) {
-        IInventory connectedInventory = getConnectedInventory();
+        TileEntity connectedInventory = getConnectedInventory();
-
-        if (connectedInventory == null) {
-            return null;
-        }
 
         int quantity = stack.stackSize;
 
-        for (int i = 0; i < connectedInventory.getSizeInventory(); ++i) {
+        if (connectedInventory instanceof IDeepStorageUnit) {
-            ItemStack slot = connectedInventory.getStackInSlot(i);
+            IDeepStorageUnit deep = (IDeepStorageUnit) connectedInventory;
+
+            if (deep.getStoredItemType() != null) {
+                if (deep.getStoredItemType().stackSize < quantity) {
+                    quantity = deep.getStoredItemType().stackSize;
+                }
+
+                ItemStack took = deep.getStoredItemType().copy();
+                took.stackSize = quantity;
+
+                deep.setStoredItemCount(deep.getStoredItemType().stackSize - quantity);
+
+                return took;
+            }
+        } else if (connectedInventory instanceof IInventory) {
+            IInventory inventory = (IInventory) connectedInventory;
+
+            for (int i = 0; i < inventory.getSizeInventory(); ++i) {
+                ItemStack slot = inventory.getStackInSlot(i);
 
                 if (slot != null && InventoryUtils.compareStack(slot, stack, flags)) {
                     if (quantity > slot.stackSize) {
@@ -90,7 +123,7 @@ public class TileExternalStorage extends TileMachine implements IStorageProvider
                     slot.stackSize -= quantity;
 
                     if (slot.stackSize == 0) {
-                    connectedInventory.setInventorySlotContents(i, null);
+                        inventory.setInventorySlotContents(i, null);
                     }
 
                     ItemStack newItem = slot.copy();
@@ -100,26 +133,41 @@ public class TileExternalStorage extends TileMachine implements IStorageProvider
                     return newItem;
                 }
             }
+        }
 
         return null;
     }
 
     @Override
     public boolean canPush(ItemStack stack) {
-        IInventory connectedInventory = getConnectedInventory();
+        if (ModeSettingUtils.doesNotViolateMode(inventory, this, compare, stack)) {
+            TileEntity connectedInventory = getConnectedInventory();
+
+            if (connectedInventory instanceof IDeepStorageUnit) {
+                IDeepStorageUnit deep = (IDeepStorageUnit) connectedInventory;
+
+                if (deep.getStoredItemType() != null) {
+                    if (InventoryUtils.compareStackNoQuantity(deep.getStoredItemType(), stack)) {
+                        return (deep.getStoredItemType().stackSize + stack.stackSize) < deep.getMaxStoredCount();
+                    }
+
+                    return false;
+                } else {
+                    return stack.stackSize < deep.getMaxStoredCount();
+                }
+            } else if (connectedInventory instanceof IInventory) {
+                return InventoryUtils.canPushToInventory((IInventory) connectedInventory, stack);
+            }
+        }
 
-        if (connectedInventory == null) {
         return false;
     }
 
-        return ModeSettingUtils.doesNotViolateMode(inventory, this, compare, stack) && InventoryUtils.canPushToInventory(connectedInventory, stack);
+    public TileEntity getConnectedInventory() {
-    }
-
-    public IInventory getConnectedInventory() {
         TileEntity tile = worldObj.getTileEntity(pos.offset(getDirection()));
 
-        if (tile instanceof IInventory) {
+        if (tile instanceof IInventory || tile instanceof IDeepStorageUnit) {
-            return (IInventory) tile;
+            return tile;
         }
 
         return null;
@@ -130,7 +178,19 @@ public class TileExternalStorage extends TileMachine implements IStorageProvider
         super.toBytes(buf);
 
         buf.writeInt(priority);
-        buf.writeInt(getConnectedInventory() == null ? 0 : InventoryUtils.getInventoryItems(getConnectedInventory()));
+
+        TileEntity connectedInventory = getConnectedInventory();
+
+        if (connectedInventory instanceof IDeepStorageUnit) {
+            IDeepStorageUnit deep = (IDeepStorageUnit) connectedInventory;
+
+            buf.writeInt(deep.getStoredItemType() == null ? 0 : deep.getStoredItemType().stackSize);
+        } else if (connectedInventory instanceof IInventory) {
+            buf.writeInt(InventoryUtils.getInventoryItems((IInventory) connectedInventory));
+        } else {
+            buf.writeInt(0);
+        }
+
         buf.writeInt(compare);
         buf.writeInt(mode);
     }
@@ -258,7 +318,15 @@ public class TileExternalStorage extends TileMachine implements IStorageProvider
             return 0;
         }
 
-        return getConnectedInventory().getSizeInventory() * 64;
+        TileEntity connectedInventory = getConnectedInventory();
+
+        if (connectedInventory instanceof IDeepStorageUnit) {
+            return ((IDeepStorageUnit) connectedInventory).getMaxStoredCount();
+        } else if (connectedInventory instanceof IInventory) {
+            return ((IInventory) connectedInventory).getSizeInventory() * 64;
+        }
+
+        return 0;
     }
 
     @Override