CatServer/patches/net/minecraft/block/BlockGrass.java.patch

--- ../src-base/minecraft/net/minecraft/block/BlockGrass.java
+++ ../src-work/minecraft/net/minecraft/block/BlockGrass.java
@@ -15,6 +15,11 @@
 import net.minecraft.world.World;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
+import org.bukkit.block.BlockState;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.craftbukkit.util.CraftMagicNumbers;
+import org.bukkit.event.block.BlockFadeEvent;
+import org.bukkit.event.block.BlockSpreadEvent;
 
 public class BlockGrass extends Block implements IGrowable
 {
@@ -38,9 +43,20 @@
     {
         if (!worldIn.isRemote)
         {
-            if (worldIn.getLightFromNeighbors(pos.up()) < 4 && worldIn.getBlockState(pos.up()).getLightOpacity() > 2)
+            if (!worldIn.isAreaLoaded(pos, 3)) return; // Forge: prevent loading unloaded chunks when checking neighbor's light and spreading
+            if (worldIn.getLightFromNeighbors(pos.up()) < 4 && worldIn.getBlockState(pos.up()).getLightOpacity(worldIn, pos.up()) > 2)
             {
-                worldIn.setBlockState(pos, Blocks.DIRT.getDefaultState());
+//                worldIn.setBlockState(pos, Blocks.DIRT.getDefaultState());
+                org.bukkit.World bworld = worldIn.getWorld();
+                BlockState blockState = bworld.getBlockAt(pos.getX(), pos.getY(), pos.getZ()).getState();
+                blockState.setType(CraftMagicNumbers.getMaterial(Blocks.DIRT));
+
+                BlockFadeEvent event = new BlockFadeEvent(blockState.getBlock(), blockState);
+                worldIn.getServer().getPluginManager().callEvent(event);
+
+                if (!event.isCancelled()) {
+                    blockState.update(true);
+                }
             }
             else
             {
@@ -58,9 +74,19 @@
                         IBlockState iblockstate = worldIn.getBlockState(blockpos.up());
                         IBlockState iblockstate1 = worldIn.getBlockState(blockpos);
 
-                        if (iblockstate1.getBlock() == Blocks.DIRT && iblockstate1.getValue(BlockDirt.VARIANT) == BlockDirt.DirtType.DIRT && worldIn.getLightFromNeighbors(blockpos.up()) >= 4 && iblockstate.getLightOpacity() <= 2)
+                        if (iblockstate1.getBlock() == Blocks.DIRT && iblockstate1.getValue(BlockDirt.VARIANT) == BlockDirt.DirtType.DIRT && worldIn.getLightFromNeighbors(blockpos.up()) >= 4 && iblockstate.getLightOpacity(worldIn, pos.up()) <= 2)
                         {
-                            worldIn.setBlockState(blockpos, Blocks.GRASS.getDefaultState());
+//                            worldIn.setBlockState(blockpos, Blocks.GRASS.getDefaultState());
+                            org.bukkit.World bworld = worldIn.getWorld();
+                            BlockState blockState = bworld.getBlockAt(blockpos.getX(), blockpos.getY(), blockpos.getZ()).getState();
+                            blockState.setType(CraftMagicNumbers.getMaterial(Blocks.GRASS));
+
+                            BlockSpreadEvent event = new BlockSpreadEvent(blockState.getBlock(), bworld.getBlockAt(pos.getX(), pos.getY(), pos.getZ()), blockState);
+                            worldIn.getServer().getPluginManager().callEvent(event);
+
+                            if (!event.isCancelled()) {
+                                blockState.update(true);
+                            }
                         }
                     }
                 }
@@ -96,18 +122,11 @@
             {
                 if (j >= i / 16)
                 {
-                    if (worldIn.getBlockState(blockpos1).getBlock().blockMaterial == Material.AIR)
+                    if (worldIn.isAirBlock(blockpos1))
                     {
                         if (rand.nextInt(8) == 0)
                         {
-                            BlockFlower.EnumFlowerType blockflower$enumflowertype = worldIn.getBiome(blockpos1).pickRandomFlower(rand, blockpos1);
-                            BlockFlower blockflower = blockflower$enumflowertype.getBlockType().getBlock();
-                            IBlockState iblockstate = blockflower.getDefaultState().withProperty(blockflower.getTypeProperty(), blockflower$enumflowertype);
-
-                            if (blockflower.canBlockStay(worldIn, blockpos1, iblockstate))
-                            {
-                                worldIn.setBlockState(blockpos1, iblockstate, 3);
-                            }
+                            worldIn.getBiome(blockpos1).plantFlower(worldIn, rand, blockpos1);
                         }
                         else
                         {
@@ -115,7 +134,8 @@
 
                             if (Blocks.TALLGRASS.canBlockStay(worldIn, blockpos1, iblockstate1))
                             {
-                                worldIn.setBlockState(blockpos1, iblockstate1, 3);
+//                                worldIn.setBlockState(blockpos1, iblockstate1, 3);
+                                CraftEventFactory.handleBlockGrowEvent(worldIn, blockpos1.getX(), blockpos1.getY(), blockpos1.getZ(), iblockstate1.getBlock(), iblockstate1.getBlock().getMetaFromState(iblockstate1));
                             }
                         }
                     }