KCauldronX/patches/net/minecraftforge/common/ForgeHooks.java.patch

--- ../src-base/minecraft/net/minecraftforge/common/ForgeHooks.java
+++ ../src-work/minecraft/net/minecraftforge/common/ForgeHooks.java
@@ -63,6 +63,16 @@
 import net.minecraftforge.event.world.BlockEvent;
 import net.minecraftforge.event.world.NoteBlockEvent;
 import static net.minecraft.init.Blocks.*;
+// Cauldron start
+import net.minecraftforge.common.util.FakePlayer;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.TreeType;
+import org.bukkit.block.BlockState;
+import org.bukkit.craftbukkit.block.CraftBlockState;
+import org.bukkit.entity.Player;
+import org.bukkit.event.world.StructureGrowEvent;
+//Cauldron end
 
 public class ForgeHooks
 {
@@ -379,10 +389,12 @@
     public static ChatComponentTranslation onServerChatEvent(NetHandlerPlayServer net, String raw, ChatComponentTranslation comp)
     {
         ServerChatEvent event = new ServerChatEvent(net.playerEntity, raw, comp);
+        synchronized (ServerChatEvent.class) {            
         if (MinecraftForge.EVENT_BUS.post(event))
         {
             return null;
         }
+        }
         return event.component;
     }
 
@@ -439,6 +451,8 @@
 
     public static BlockEvent.BreakEvent onBlockBreakEvent(World world, GameType gameType, EntityPlayerMP entityPlayer, int x, int y, int z)
     {
+        // Cauldron - pre-cancel handled in BreakEvent
+        /*
         // Logic from tryHarvestBlock for pre-canceling the event
         boolean preCancelEvent = false;
         if (gameType.isAdventure() && !entityPlayer.isCurrentToolAdventureModeExempt(x, y, z))
@@ -449,9 +463,9 @@
         {
             preCancelEvent = true;
         }
-
+        */
         // Tell client the block is gone immediately then process events
-        if (world.getTileEntity(x, y, z) == null)
+        if (world.getTileEntity(x, y, z) == null && !(entityPlayer instanceof FakePlayer)) // Cauldron - don't send packets to fakeplayers
         {
             S23PacketBlockChange packet = new S23PacketBlockChange(x, y, z, world);
             packet.field_148883_d = Blocks.air;
@@ -463,11 +477,11 @@
         Block block = world.getBlock(x, y, z);
         int blockMetadata = world.getBlockMetadata(x, y, z);
         BlockEvent.BreakEvent event = new BlockEvent.BreakEvent(x, y, z, world, block, blockMetadata, entityPlayer);
-        event.setCanceled(preCancelEvent);
+        // event.setCanceled(preCancelEvent); // Cauldron
         MinecraftForge.EVENT_BUS.post(event);
 
         // Handle if the event is canceled
-        if (event.isCanceled())
+        if (event.isCanceled() && !(entityPlayer instanceof FakePlayer)) // Cauldron - don't send packets to fakeplayers
         {
             // Let the client know the block still exists
             entityPlayer.playerNetServerHandler.sendPacket(new S23PacketBlockChange(x, y, z, world));
@@ -500,81 +514,144 @@
         if (!(itemstack.getItem() instanceof ItemBucket)) // if not bucket
         {
             world.captureBlockSnapshots = true;
+            // Cauldron start
+            if (itemstack.getItem() instanceof net.minecraft.item.ItemDye && itemstack.getItemDamage() == 15)
+            {
+                Block block = world.getBlock(x, y, z);
+                if (block != null && (block instanceof net.minecraft.block.BlockSapling || block instanceof net.minecraft.block.BlockMushroom))
+                {
+                    world.captureTreeGeneration = true;
+                }
+            }
+            // Cauldron end
         }
 
+        ItemStack.currentPlayer = player; // Cauldron
         boolean flag = itemstack.getItem().onItemUse(itemstack, player, world, x, y, z, side, hitX, hitY, hitZ);
+        ItemStack.currentPlayer = null; // Cauldron
         world.captureBlockSnapshots = false;
 
-        if (flag)
+        // Cauldron start
+        if (flag && world.captureTreeGeneration && world.capturedBlockSnapshots.size() > 0)
         {
-            // save new item data
-            int newMeta = itemstack.getItemDamage();
-            int newSize = itemstack.stackSize;
-            NBTTagCompound newNBT = null;
-            if (itemstack.getTagCompound() != null)
+            world.captureTreeGeneration = false;
+            Location loc = new Location(world.getWorld(), (double) x, (double) y, (double) z);
+            TreeType type = net.minecraft.block.BlockSapling.treeType;
+            net.minecraft.block.BlockSapling.treeType = null;
+            List<BlockState> states = new ArrayList();
+
+            for (net.minecraftforge.common.util.BlockSnapshot snapshot : (List<net.minecraftforge.common.util.BlockSnapshot>) world.capturedBlockSnapshots.clone())
             {
-                newNBT = (NBTTagCompound)itemstack.getTagCompound().copy();
+                states.add(new CraftBlockState(snapshot));
             }
-            net.minecraftforge.event.world.BlockEvent.PlaceEvent placeEvent = null;
-            List<net.minecraftforge.common.util.BlockSnapshot> blockSnapshots = (List<net.minecraftforge.common.util.BlockSnapshot>) world.capturedBlockSnapshots.clone();
-            world.capturedBlockSnapshots.clear();
 
-            // make sure to set pre-placement item data for event
-            itemstack.setItemDamage(meta);
-            itemstack.stackSize = size;
-            if (nbt != null)
+            world.capturedBlockSnapshots.clear();
+            StructureGrowEvent event = null;
+            if (type != null)
             {
-                itemstack.setTagCompound(nbt);
+                event = new StructureGrowEvent(loc, type, false, (Player) player.getBukkitEntity(), states);
+                Bukkit.getPluginManager().callEvent(event);
             }
-            if (blockSnapshots.size() > 1)
-            {
-                placeEvent = ForgeEventFactory.onPlayerMultiBlockPlace(player, blockSnapshots, net.minecraftforge.common.util.ForgeDirection.getOrientation(side));
-            }
-            else if (blockSnapshots.size() == 1)
-            {
-                placeEvent = ForgeEventFactory.onPlayerBlockPlace(player, blockSnapshots.get(0), net.minecraftforge.common.util.ForgeDirection.getOrientation(side));
-            }
 
-            if (placeEvent != null && (placeEvent.isCanceled()))
+            if (event == null || !event.isCancelled())
             {
-                flag = false; // cancel placement
-                // revert back all captured blocks
-                for (net.minecraftforge.common.util.BlockSnapshot blocksnapshot : blockSnapshots)
+                for (BlockState state : states)
                 {
-                    world.restoringBlockSnapshots = true;
-                    blocksnapshot.restore(true, false);
-                    world.restoringBlockSnapshots = false;
+                    state.update(true);
                 }
             }
-            else
+
+            return flag;
+        }
+        else
+        {
+            world.captureTreeGeneration = false; // Cauldron end
+            if (flag)
             {
-                // Change the stack to its new content
-                itemstack.setItemDamage(newMeta);
-                itemstack.stackSize = newSize;
+                // save new item data
+                int newMeta = itemstack.getItemDamage();
+                int newSize = itemstack.stackSize;
+                NBTTagCompound newNBT = null;
+                if (itemstack.getTagCompound() != null)
+                {
+                    newNBT = (NBTTagCompound) itemstack.getTagCompound().copy();
+                }
+                net.minecraftforge.event.world.BlockEvent.PlaceEvent placeEvent = null;
+                List<net.minecraftforge.common.util.BlockSnapshot> blockSnapshots = (List<net.minecraftforge.common.util.BlockSnapshot>) world.capturedBlockSnapshots
+                        .clone();
+                world.capturedBlockSnapshots.clear();
+                List<net.minecraftforge.common.util.EntitySnapshot> tDropItemSnapshots=(List<net.minecraftforge.common.util.EntitySnapshot>)world.capturedItems.clone();
+                world.capturedItems.clear();
+
+                // make sure to set pre-placement item data for event
+                itemstack.setItemDamage(meta);
+                itemstack.stackSize = size;
                 if (nbt != null)
                 {
-                    itemstack.setTagCompound(newNBT);
+                    itemstack.setTagCompound(nbt);
                 }
+                if (blockSnapshots.size() > 1)
+                {
+                    placeEvent = ForgeEventFactory.onPlayerMultiBlockPlace(player, blockSnapshots,
+                            net.minecraftforge.common.util.ForgeDirection.getOrientation(side));
+                }
+                else if (blockSnapshots.size() == 1)
+                {
+                    placeEvent = ForgeEventFactory.onPlayerBlockPlace(player, blockSnapshots.get(0),
+                            net.minecraftforge.common.util.ForgeDirection.getOrientation(side));
+                }
 
-                for (net.minecraftforge.common.util.BlockSnapshot blocksnapshot : blockSnapshots)
+                if (placeEvent != null && (placeEvent.isCanceled()))
                 {
-                    int blockX = blocksnapshot.x;
-                    int blockY = blocksnapshot.y;
-                    int blockZ = blocksnapshot.z;
-                    int metadata = world.getBlockMetadata(blockX, blockY, blockZ);
-                    int updateFlag = blocksnapshot.flag;
-                    Block oldBlock = blocksnapshot.replacedBlock;
-                    Block newBlock = world.getBlock(blockX, blockY, blockZ);
-                    if (newBlock != null && !(newBlock.hasTileEntity(metadata))) // Containers get placed automatically
+                    flag = false; // cancel placement
+                    // revert back all captured blocks
+                    for(int i=blockSnapshots.size();i>0;){
+                        world.restoringBlockSnapshots=true;
+                        blockSnapshots.get(--i).restore(true,false);
+                        world.restoringBlockSnapshots=false;
+                    }
+                    for(net.minecraftforge.common.util.EntitySnapshot sEntityItem : tDropItemSnapshots){
+                        sEntityItem.cancel();
+                    }
+                }
+                else
+                {
+                    // Change the stack to its new content
+                    itemstack.setItemDamage(newMeta);
+                    itemstack.stackSize = newSize;
+                    if (nbt != null)
                     {
-                        newBlock.onBlockAdded(world, blockX, blockY, blockZ);
+                        itemstack.setTagCompound(newNBT);
                     }
 
-                    world.markAndNotifyBlock(blockX, blockY, blockZ, null, oldBlock, newBlock, updateFlag);
+                    for (net.minecraftforge.common.util.BlockSnapshot blocksnapshot : blockSnapshots)
+                    {
+                        int blockX = blocksnapshot.x;
+                        int blockY = blocksnapshot.y;
+                        int blockZ = blocksnapshot.z;
+                        int metadata = world.getBlockMetadata(blockX, blockY, blockZ);
+                        int updateFlag = blocksnapshot.flag;
+                        Block oldBlock = blocksnapshot.replacedBlock;
+                        Block newBlock = world.getBlock(blockX, blockY, blockZ);
+                        if (newBlock != null && !(newBlock.hasTileEntity(metadata))) // Containers
+                                                                                     // get
+                                                                                     // placed
+                                                                                     // automatically
+                        {
+                            newBlock.onBlockAdded(world, blockX, blockY, blockZ);
+                        }
+
+                        world.markAndNotifyBlock(blockX, blockY, blockZ, null, oldBlock, newBlock, updateFlag);
+                    }
+                    for(net.minecraftforge.common.util.EntitySnapshot sEntityItem : tDropItemSnapshots){
+                        sEntityItem.apply();
+                    }
+                    player.addStat(StatList.objectUseStats[Item.getIdFromItem(itemstack.getItem())], 1);
                 }
-                player.addStat(StatList.objectUseStats[Item.getIdFromItem(itemstack.getItem())], 1);
+
             }
         }
+        
         world.capturedBlockSnapshots.clear();
 
         return flag;