Initial work on Capabilities usage for inventories.

src/main/java/WayofTime/bloodmagic/ritual/RitualCrushing.java

@@ -1,23 +1,26 @@
 package WayofTime.bloodmagic.ritual;
 
-import WayofTime.bloodmagic.api.Constants;
-import WayofTime.bloodmagic.api.network.SoulNetwork;
-import WayofTime.bloodmagic.api.ritual.*;
-import WayofTime.bloodmagic.api.util.helper.NetworkHelper;
-import WayofTime.bloodmagic.registry.ModBlocks;
-import WayofTime.bloodmagic.util.Utils;
+import java.util.ArrayList;
+import java.util.List;
+
 import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.item.EntityItem;
-import net.minecraft.inventory.IInventory;
 import net.minecraft.item.ItemStack;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
-
-import java.util.ArrayList;
-import java.util.List;
+import WayofTime.bloodmagic.api.Constants;
+import WayofTime.bloodmagic.api.network.SoulNetwork;
+import WayofTime.bloodmagic.api.ritual.AreaDescriptor;
+import WayofTime.bloodmagic.api.ritual.EnumRuneType;
+import WayofTime.bloodmagic.api.ritual.IMasterRitualStone;
+import WayofTime.bloodmagic.api.ritual.Ritual;
+import WayofTime.bloodmagic.api.ritual.RitualComponent;
+import WayofTime.bloodmagic.api.util.helper.NetworkHelper;
+import WayofTime.bloodmagic.registry.ModBlocks;
+import WayofTime.bloodmagic.util.Utils;
 
 public class RitualCrushing extends Ritual
 {
@@ -49,19 +52,6 @@ public class RitualCrushing extends Ritual
 
         TileEntity tile = world.getTileEntity(masterRitualStone.getBlockPos().up());
 
-        if (!(tile instanceof IInventory))
-        {
-            return;
-        }
-
-        IInventory tileEntity;
-        tileEntity = (IInventory) tile;
-
-        if (tileEntity.getSizeInventory() <= 0)
-        {
-            return;
-        }
-
         boolean isSilkTouch = false;
         int fortune = 0;
 
@@ -88,7 +78,7 @@ public class RitualCrushing extends Ritual
                 ItemStack item = new ItemStack(block, 1, meta);
                 ItemStack copyStack = ItemStack.copyItemStack(item);
 
-                Utils.insertStackIntoInventory(copyStack, tileEntity, EnumFacing.DOWN);
+                Utils.insertStackIntoTile(copyStack, tile, EnumFacing.DOWN);
 
                 if (copyStack.stackSize > 0)
                 {
@@ -104,8 +94,8 @@ public class RitualCrushing extends Ritual
                     {
                         ItemStack copyStack = ItemStack.copyItemStack(item);
 
-                        Utils.insertStackIntoInventory(copyStack, tileEntity, EnumFacing.DOWN);
-                        if (copyStack.stackSize > 0)
+                        copyStack = Utils.insertStackIntoTile(copyStack, tile, EnumFacing.DOWN);
+                        if (copyStack != null && copyStack.stackSize > 0)
                         {
                             world.spawnEntityInWorld(new EntityItem(world, pos.getX() + 0.5, pos.getY() + 2, pos.getZ() + 0.5, copyStack));
                         }

src/main/java/WayofTime/bloodmagic/tile/TileInventory.java

@@ -1,9 +1,9 @@
 package WayofTime.bloodmagic.tile;
 
-import WayofTime.bloodmagic.util.helper.TextHelper;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.inventory.IInventory;
+import net.minecraft.inventory.ISidedInventory;
 import net.minecraft.inventory.InventoryHelper;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
@@ -12,10 +12,17 @@ import net.minecraft.network.NetworkManager;
 import net.minecraft.network.Packet;
 import net.minecraft.network.play.server.SPacketUpdateTileEntity;
 import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.text.ITextComponent;
 import net.minecraft.util.text.TextComponentString;
 import net.minecraft.world.World;
+import net.minecraftforge.common.capabilities.Capability;
+import net.minecraftforge.items.CapabilityItemHandler;
+import net.minecraftforge.items.IItemHandler;
+import net.minecraftforge.items.wrapper.InvWrapper;
+import net.minecraftforge.items.wrapper.SidedInvWrapper;
+import WayofTime.bloodmagic.util.helper.TextHelper;
 
 public class TileInventory extends TileEntity implements IInventory
 {
@@ -29,6 +36,7 @@ public class TileInventory extends TileEntity implements IInventory
         this.inventory = new ItemStack[size];
         this.size = size;
         this.name = name;
+        initializeItemHandlers();
     }
 
     private boolean isSyncedSlot(int slot)
@@ -248,4 +256,64 @@ public class TileInventory extends TileEntity implements IInventory
     {
         return new TextComponentString(getName());
     }
+
+    protected void initializeItemHandlers()
+    {
+        if (this instanceof ISidedInventory)
+        {
+            handlerDown = new SidedInvWrapper((ISidedInventory) this, EnumFacing.DOWN);
+            handlerUp = new SidedInvWrapper((ISidedInventory) this, EnumFacing.UP);
+            handlerNorth = new SidedInvWrapper((ISidedInventory) this, EnumFacing.NORTH);
+            handlerSouth = new SidedInvWrapper((ISidedInventory) this, EnumFacing.SOUTH);
+            handlerWest = new SidedInvWrapper((ISidedInventory) this, EnumFacing.WEST);
+            handlerEast = new SidedInvWrapper((ISidedInventory) this, EnumFacing.EAST);
+        } else
+        {
+            handlerDown = new InvWrapper(this);
+            handlerUp = handlerDown;
+            handlerNorth = handlerDown;
+            handlerSouth = handlerDown;
+            handlerWest = handlerDown;
+            handlerEast = handlerDown;
+        }
+    }
+
+    IItemHandler handlerDown;
+    IItemHandler handlerUp;
+    IItemHandler handlerNorth;
+    IItemHandler handlerSouth;
+    IItemHandler handlerWest;
+    IItemHandler handlerEast;
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public <T> T getCapability(Capability<T> capability, EnumFacing facing)
+    {
+        if (facing != null && capability == CapabilityItemHandler.ITEM_HANDLER_CAPABILITY)
+        {
+            switch (facing)
+            {
+            case DOWN:
+                return (T) handlerDown;
+            case EAST:
+                return (T) handlerEast;
+            case NORTH:
+                return (T) handlerNorth;
+            case SOUTH:
+                return (T) handlerSouth;
+            case UP:
+                return (T) handlerUp;
+            case WEST:
+                return (T) handlerWest;
+            }
+        }
+
+        return super.getCapability(capability, facing);
+    }
+
+    @Override
+    public boolean hasCapability(Capability<?> capability, EnumFacing facing)
+    {
+        return capability == CapabilityItemHandler.ITEM_HANDLER_CAPABILITY || super.hasCapability(capability, facing);
+    }
 }

src/main/java/WayofTime/bloodmagic/util/Utils.java

@@ -33,6 +33,8 @@ import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.fluids.IFluidBlock;
 import net.minecraftforge.fluids.IFluidHandler;
 import net.minecraftforge.fml.common.FMLCommonHandler;
+import net.minecraftforge.items.CapabilityItemHandler;
+import net.minecraftforge.items.IItemHandler;
 import WayofTime.bloodmagic.api.BlockStack;
 import WayofTime.bloodmagic.api.altar.EnumAltarComponent;
 import WayofTime.bloodmagic.network.BloodMagicPacketHandler;
@@ -366,6 +368,102 @@ public class Utils
         return returned;
     }
 
+    public static ItemStack insertStackIntoTile(ItemStack stack, TileEntity tile, EnumFacing dir)
+    {
+        if (tile.hasCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, dir))
+        {
+            IItemHandler handler = tile.getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, dir);
+            int numberOfSlots = handler.getSlots();
+
+            ItemStack copyStack = stack.copy();
+
+            for (int slot = 0; slot < numberOfSlots; slot++)
+            {
+                copyStack = handler.insertItem(slot, copyStack, false);
+                if (copyStack == null)
+                {
+                    return null;
+                }
+            }
+
+            return copyStack;
+        } else if (tile instanceof IInventory)
+        {
+            return insertStackIntoInventory(stack, (IInventory) tile, dir);
+        }
+
+        return stack;
+    }
+
+    /**
+     * Inserts the desired stack into the tile up to a limit for the tile.
+     * Respects capabilities.
+     * 
+     * @param stack
+     * @param tile
+     * @param dir
+     * @param limit
+     * @return
+     */
+    public static ItemStack insertStackIntoTile(ItemStack stack, TileEntity tile, EnumFacing dir, int limit)
+    {
+        if (tile.hasCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, dir))
+        {
+            IItemHandler handler = tile.getCapability(CapabilityItemHandler.ITEM_HANDLER_CAPABILITY, dir);
+            int numberOfSlots = handler.getSlots();
+
+            ItemStack copyStack = stack.copy();
+
+            int numberMatching = 0;
+
+            for (int slot = 0; slot < numberOfSlots; slot++)
+            {
+                ItemStack invStack = handler.getStackInSlot(slot);
+
+                if (invStack != null && canCombine(stack, invStack))
+                {
+                    numberMatching += invStack.stackSize;
+                }
+            }
+
+            if (numberMatching >= limit)
+            {
+                return stack;
+            }
+
+            int newLimit = limit - numberMatching;
+
+            for (int slot = 0; slot < numberOfSlots; slot++)
+            {
+                ItemStack newCopyStack = copyStack.copy();
+                newCopyStack.stackSize = Math.min(copyStack.stackSize, newLimit);
+
+                newCopyStack = handler.insertItem(slot, newCopyStack, false);
+
+                if (newCopyStack == null)
+                {
+                    return null;
+                }
+
+                newLimit -= (copyStack.stackSize - newCopyStack.stackSize);
+
+                if (newLimit <= 0)
+                {
+                    return null; //TODO
+                }
+
+                copyStack.stackSize -= (copyStack.stackSize - newCopyStack.stackSize);
+            }
+
+            return copyStack;
+        } else if (tile instanceof IInventory)
+        {
+            return insertStackIntoInventory(stack, (IInventory) tile, dir, limit);
+        }
+
+        return stack;
+    }
+
     public static ItemStack insertStackIntoInventory(ItemStack stack, IInventory inventory, EnumFacing dir)
     {
         if (stack == null)
@@ -495,6 +593,16 @@ public class Utils
         return false;
     }
 
+    /**
+     * Inserts the desired stack into the inventory up to a limit for the
+     * inventory.
+     * 
+     * @param stack
+     * @param inventory
+     * @param dir
+     * @param limit
+     * @return
+     */
     public static ItemStack insertStackIntoInventory(ItemStack stack, IInventory inventory, EnumFacing dir, int limit)
     {
         if (stack == null)
@@ -554,7 +662,7 @@ public class Utils
 
             ItemStack[] combinedStacks = combineStacks(stack, inventory.getStackInSlot(i), newLimit);
             stack = combinedStacks[0];
-            inventory.setInventorySlotContents(i, combinedStacks[1]);
+            inventory.setInventorySlotContents(i, combinedStacks[1]); //TODO
 
             newLimit -= (prevStackSize - stack.stackSize);