Implemented painting events (thanks verrier and tanelsuurhans)

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

@@ -0,0 +1,69 @@
+package net.minecraft.server;
+
+// CraftBukkit start
+import org.bukkit.Bukkit;
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
+import org.bukkit.entity.Painting;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Event;
+import org.bukkit.event.painting.PaintingPlaceEvent;
+
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.craftbukkit.block.CraftBlock;
+// CraftBukkit end
+
+public class ItemPainting extends Item {
+
+    public ItemPainting(int i) {
+        super(i);
+    }
+
+    public boolean a(ItemStack itemstack, EntityHuman entityhuman, World world, int i, int j, int k, int l) {
+        if (l == 0) {
+            return false;
+        } else if (l == 1) {
+            return false;
+        } else {
+            byte b0 = 0;
+
+            if (l == 4) {
+                b0 = 1;
+            }
+
+            if (l == 3) {
+                b0 = 2;
+            }
+
+            if (l == 5) {
+                b0 = 3;
+            }
+
+            EntityPainting entitypainting = new EntityPainting(world, i, j, k, b0);
+
+            if (entitypainting.h()) {
+                if (!world.isStatic) {
+                    // CraftBukkit start
+                    CraftWorld craftWorld = ((WorldServer) world).getWorld();
+                    Painting painting = (Painting) entitypainting.getBukkitEntity();
+                    Player who = (entityhuman == null) ? null : (Player) entityhuman.getBukkitEntity();
+
+                    Block blockClicked = craftWorld.getBlockAt(i, j, k);
+                    BlockFace blockFace = CraftBlock.notchToBlockFace(l);
+
+                    PaintingPlaceEvent event = new PaintingPlaceEvent(painting, who, blockClicked, blockFace);
+                    Bukkit.getServer().getPluginManager().callEvent(event);
+                    if (event.isCancelled()) {
+                        return false;
+                    }
+                    // CraftBukkit end
+                    world.addEntity(entitypainting);
+                }
+
+                --itemstack.count;
+            }
+
+            return true;
+        }
+    }
+}