Testing

BM_src/thaumcraft/api/wands/WandTriggerRegistry.java

@@ -0,0 +1,83 @@
+package thaumcraft.api.wands;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.ItemStack;
+import net.minecraft.world.World;
+
+/**
+ * This class serves a similar function to IWandable in that it allows wands to interact
+ * with object in the world. In this case it is most useful for adding interaction with non-mod
+ * blocks where you can't control what happens in their code.
+ * Example where it is used is in crafting the thaumonomicon from a bookshelf and the
+ * crucible from a cauldron
+ *
+ * @author azanor
+ *
+ */
+public class WandTriggerRegistry
+{
+    /**
+     * Registers an action to perform when a casting wand right clicks on a specific block.
+     * A manager class needs to be created that implements IWandTriggerManager.
+     * @param manager
+     * @param event a logical number that you can use to differentiate different events or actions
+     * @param blockid
+     * @param meta send -1 as a wildcard value for all possible meta values
+     */
+    public static void registerWandBlockTrigger(IWandTriggerManager manager, int event, int blockid, int meta)
+    {
+        triggers.put(Arrays.asList(blockid, meta),
+                     Arrays.asList(manager, event));
+    }
+
+    private static HashMap<List<Integer>, List> triggers = new  HashMap<List<Integer>, List>();
+
+    public static boolean hasTrigger(int blockid, int meta)
+    {
+        if (triggers.containsKey(Arrays.asList(blockid, meta)) ||
+                triggers.containsKey(Arrays.asList(blockid, -1)))
+        {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * This is called by the onItemUseFirst function in wands.
+     * Parameters and return value functions like you would expect for that function.
+     * @param world
+     * @param wand
+     * @param player
+     * @param x
+     * @param y
+     * @param z
+     * @param side
+     * @param blockid
+     * @param meta
+     * @return
+     */
+    public static boolean performTrigger(World world, ItemStack wand, EntityPlayer player,
+                                         int x, int y, int z, int side, int blockid, int meta)
+    {
+        List l = triggers.get(Arrays.asList(blockid, meta));
+
+        if (l == null)
+        {
+            l = triggers.get(Arrays.asList(blockid, -1));
+        }
+
+        if (l == null)
+        {
+            return false;
+        }
+
+        IWandTriggerManager manager = (IWandTriggerManager) l.get(0);
+        int event = (Integer) l.get(1);
+        return manager.performTrigger(world, wand, player, x, y, z, side, event);
+    }
+}