Fire events for fireball item usage. Fixes BUKKIT-1566

src/main/java/net/minecraft/server/ItemFireball.java

@@ -1,5 +1,10 @@
 package net.minecraft.server;
 
+// CraftBukkit start
+import org.bukkit.entity.Player;
+import org.bukkit.event.block.BlockIgniteEvent;
+// CraftBukkit end
+
 public class ItemFireball extends Item {
 
     public ItemFireball(int i) {
@@ -40,6 +45,21 @@ public class ItemFireball extends Item {
                 int i1 = world.getTypeId(i, j, k);
 
                 if (i1 == 0) {
+                    // CraftBukkit start
+                    org.bukkit.block.Block blockClicked = world.getWorld().getBlockAt(i, j, k);
+                    Player thePlayer = (Player) entityhuman.getBukkitEntity();
+
+                    BlockIgniteEvent eventIgnite = new BlockIgniteEvent(blockClicked, BlockIgniteEvent.IgniteCause.FIREBALL, thePlayer);
+                    world.getServer().getPluginManager().callEvent(eventIgnite);
+
+                    if (eventIgnite.isCancelled()) {
+                        if (!entityhuman.abilities.canInstantlyBuild) {
+                            --itemstack.count;
+                        }
+                        return false;
+                    }
+                    // CraftBukkit end
+
                     world.makeSound((double) i + 0.5D, (double) j + 0.5D, (double) k + 0.5D, "fire.ignite", 1.0F, c.nextFloat() * 0.4F + 0.8F);
                     world.setTypeId(i, j, k, Block.FIRE.id);
                 }