MineTweaker additions

Harvest Moon gets an add custom crop type that's itemstack sensitive for
crops that share an item for seeds., it's not perfect but it works
pretty well.
Also gets a MT method to interface with this new harvest type
MT functions to add/remove focus items for falling tower as well as
define the meteor size and distribution.

src/main/java/WayofTime/alchemicalWizardry/common/harvest/GenericItemStackHarvestHandler.java

@@ -0,0 +1,111 @@
+package WayofTime.alchemicalWizardry.common.harvest;
+
+import WayofTime.alchemicalWizardry.api.harvest.IHarvestHandler;
+import net.minecraft.block.Block;
+import net.minecraft.entity.item.EntityItem;
+import net.minecraft.item.ItemStack;
+import net.minecraft.world.World;
+import net.minecraftforge.common.IPlantable;
+
+import java.util.List;
+
+public class GenericItemStackHarvestHandler implements IHarvestHandler
+{
+
+    public Block harvestBlock;
+    public int harvestMeta;
+    public ItemStack harvestItem;
+    public IPlantable harvestSeed;
+
+    public GenericItemStackHarvestHandler(Block block, int meta, ItemStack seed)
+    {
+        harvestBlock = block;
+        harvestMeta = meta;
+        harvestItem = seed;
+        if (seed.getItem() instanceof IPlantable) harvestSeed = (IPlantable) seed.getItem();
+    }
+
+    public boolean canHandleBlock(Block block)
+    {
+        return block == harvestBlock;
+    }
+
+    public int getHarvestMeta(Block block)
+    {
+        return harvestMeta;
+    }
+
+    @Override
+    public boolean harvestAndPlant(World world, int xCoord, int yCoord, int zCoord, Block block, int meta)
+    {
+        if (!this.canHandleBlock(block) || meta != this.getHarvestMeta(block))
+        {
+            return false;
+        }
+
+        IPlantable seed = this.getSeedItem(block);
+
+        if (seed == null)
+        {
+            world.func_147480_a(xCoord, yCoord, zCoord, true);
+
+            return true;
+        } else
+        {
+            int fortune = 0;
+
+            List<ItemStack> list = block.getDrops(world, xCoord, yCoord, zCoord, meta, fortune);
+            boolean foundAndRemovedSeed = false;
+
+            for (ItemStack stack : list)
+            {
+                if (stack == null)
+                {
+                    continue;
+                }
+                if (harvestItem.isItemEqual(stack))
+                {
+                    int itemSize = stack.stackSize;
+                    if (itemSize<1)
+                    {
+                        continue;
+                    }
+                    else if (itemSize==1)
+                    {
+                        list.remove(stack);
+                    }
+                    else
+                    {
+                        stack.stackSize--;
+                    }
+                    foundAndRemovedSeed = true;
+                    break;
+                }
+            }
+
+            if (foundAndRemovedSeed)
+            {
+                int plantMeta = seed.getPlantMetadata(world, xCoord, yCoord, zCoord);
+                Block plantBlock = seed.getPlant(world, xCoord, yCoord, zCoord);
+
+                world.func_147480_a(xCoord, yCoord, zCoord, false);
+
+                world.setBlock(xCoord, yCoord, zCoord, plantBlock, plantMeta, 3);
+
+                for (ItemStack stack : list)
+                {
+                    EntityItem itemEnt = new EntityItem(world, xCoord, yCoord, zCoord, stack);
+
+                    world.spawnEntityInWorld(itemEnt);
+                }
+            }
+
+            return false;
+        }
+    }
+
+    public IPlantable getSeedItem(Block block)
+    {
+        return harvestSeed;
+    }
+}