PaperMC/nms-patches/BlockSoil.patch

--- ../work/decompile-8eb82bde/net/minecraft/server/BlockSoil.java	2015-01-31 10:14:10.936280376 +1100
+++ src/main/java/net/minecraft/server/BlockSoil.java	2015-01-31 10:14:10.936280376 +1100
@@ -3,6 +3,11 @@
 import java.util.Iterator;
 import java.util.Random;
 
+// CraftBukkit start
+import org.bukkit.event.entity.EntityInteractEvent;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+// CraftBukkit end
+
 public class BlockSoil extends Block {
 
     public static final BlockStateInteger MOISTURE = BlockStateInteger.of("moisture", 0, 7);
@@ -34,6 +39,12 @@
             if (i > 0) {
                 world.setTypeAndData(blockposition, iblockdata.set(BlockSoil.MOISTURE, Integer.valueOf(i - 1)), 2);
             } else if (!this.d(world, blockposition)) {
+                // CraftBukkit start
+                org.bukkit.block.Block block = world.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ());
+                if (CraftEventFactory.callBlockFadeEvent(block, Blocks.DIRT).isCancelled()) {
+                    return;
+                }
+                // CraftBukkit end
                 world.setTypeUpdate(blockposition, Blocks.DIRT.getBlockData());
             }
         } else if (i < 7) {
@@ -43,16 +54,35 @@
     }
 
     public void a(World world, BlockPosition blockposition, Entity entity, float f) {
+        super.a(world, blockposition, entity, f); // CraftBukkit - moved here as game rules / events shouldn't affect fall damage.
         if (entity instanceof EntityLiving) {
             if (!world.isStatic && world.random.nextFloat() < f - 0.5F) {
                 if (!(entity instanceof EntityHuman) && !world.getGameRules().getBoolean("mobGriefing")) {
                     return;
                 }
 
+                // CraftBukkit start - Interact soil
+                org.bukkit.event.Cancellable cancellable;
+                if (entity instanceof EntityHuman) {
+                    cancellable = CraftEventFactory.callPlayerInteractEvent((EntityHuman) entity, org.bukkit.event.block.Action.PHYSICAL, blockposition, null, null);
+                } else {
+                    cancellable = new EntityInteractEvent(entity.getBukkitEntity(), world.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
+                    world.getServer().getPluginManager().callEvent((EntityInteractEvent) cancellable);
+                }
+
+                if (cancellable.isCancelled()) {
+                    return;
+                }
+
+                if (CraftEventFactory.callEntityChangeBlockEvent(entity, blockposition.getX(), blockposition.getY(), blockposition.getZ(), Blocks.DIRT, 0).isCancelled()) {
+                    return;
+                }
+                // CraftBukkit end
+
                 world.setTypeUpdate(blockposition, Blocks.DIRT.getBlockData());
             }
 
-            super.a(world, blockposition, entity, f);
+            // super.a(world, blockposition, entity, f); // CraftBukkit - moved up
         }
     }