PaperMC/nms-patches/BlockRedstoneOre.patch

--- a/net/minecraft/server/BlockRedstoneOre.java
+++ b/net/minecraft/server/BlockRedstoneOre.java
@@ -2,6 +2,11 @@
 
 import java.util.Random;
 
+// CraftBukkit start
+import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.event.entity.EntityInteractEvent;
+// CraftBukkit end
+
 public class BlockRedstoneOre extends Block {
 
     public static final BlockStateBoolean a = BlockRedstoneTorch.LIT;
@@ -13,14 +18,30 @@
 
     @Override
     public void attack(IBlockData iblockdata, World world, BlockPosition blockposition, EntityHuman entityhuman) {
-        interact(iblockdata, world, blockposition);
+        interact(iblockdata, world, blockposition, entityhuman); // CraftBukkit - add entityhuman
         super.attack(iblockdata, world, blockposition, entityhuman);
     }
 
     @Override
     public void stepOn(World world, BlockPosition blockposition, Entity entity) {
-        interact(world.getType(blockposition), world, blockposition);
-        super.stepOn(world, blockposition, entity);
+        // CraftBukkit start
+        // interact(world.getType(blockposition), world, blockposition);
+        // super.stepOn(world, blockposition, entity);
+        if (entity instanceof EntityHuman) {
+            org.bukkit.event.player.PlayerInteractEvent event = org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerInteractEvent((EntityHuman) entity, org.bukkit.event.block.Action.PHYSICAL, blockposition, null, null, null);
+            if (!event.isCancelled()) {
+                interact(world.getType(blockposition), world, blockposition, entity); // add entity
+                super.stepOn(world, blockposition, entity);
+            }
+        } else {
+            EntityInteractEvent event = new EntityInteractEvent(entity.getBukkitEntity(), world.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()));
+            world.getServer().getPluginManager().callEvent(event);
+            if (!event.isCancelled()) {
+                interact(world.getType(blockposition), world, blockposition, entity); // add entity
+                super.stepOn(world, blockposition, entity);
+            }
+        }
+        // CraftBukkit end
     }
 
     @Override
@@ -28,7 +49,7 @@
         if (world.isClientSide) {
             playEffect(world, blockposition);
         } else {
-            interact(iblockdata, world, blockposition);
+            interact(iblockdata, world, blockposition, entityhuman); // CraftBukkit - add entityhuman
         }
 
         ItemStack itemstack = entityhuman.b(enumhand);
@@ -36,9 +57,14 @@
         return itemstack.getItem() instanceof ItemBlock && (new BlockActionContext(entityhuman, enumhand, itemstack, movingobjectpositionblock)).b() ? EnumInteractionResult.PASS : EnumInteractionResult.SUCCESS;
     }
 
-    private static void interact(IBlockData iblockdata, World world, BlockPosition blockposition) {
+    private static void interact(IBlockData iblockdata, World world, BlockPosition blockposition, Entity entity) { // CraftBukkit - add Entity
         playEffect(world, blockposition);
         if (!(Boolean) iblockdata.get(BlockRedstoneOre.a)) {
+            // CraftBukkit start
+            if (CraftEventFactory.callEntityChangeBlockEvent(entity, blockposition, iblockdata.set(BlockRedstoneOre.a, true)).isCancelled()) {
+                return;
+            }
+            // CraftBukkit end
             world.setTypeAndData(blockposition, (IBlockData) iblockdata.set(BlockRedstoneOre.a, true), 3);
         }
 
@@ -52,6 +78,11 @@
     @Override
     public void tick(IBlockData iblockdata, WorldServer worldserver, BlockPosition blockposition, Random random) {
         if ((Boolean) iblockdata.get(BlockRedstoneOre.a)) {
+            // CraftBukkit start
+            if (CraftEventFactory.callBlockFadeEvent(worldserver, blockposition, iblockdata.set(BlockRedstoneOre.a, false)).isCancelled()) {
+                return;
+            }
+            // CraftBukkit end
             worldserver.setTypeAndData(blockposition, (IBlockData) iblockdata.set(BlockRedstoneOre.a, false), 3);
         }
 
@@ -60,12 +91,25 @@
     @Override
     public void dropNaturally(IBlockData iblockdata, World world, BlockPosition blockposition, ItemStack itemstack) {
         super.dropNaturally(iblockdata, world, blockposition, itemstack);
+        /* CraftBukkit start - Delegated to getExpDrop
         if (EnchantmentManager.getEnchantmentLevel(Enchantments.SILK_TOUCH, itemstack) == 0) {
             int i = 1 + world.random.nextInt(5);
 
             this.dropExperience(world, blockposition, i);
         }
+        // */
+
+    }
 
+    @Override
+    public int getExpDrop(IBlockData iblockdata, World world, BlockPosition blockposition, ItemStack itemstack) {
+        if (EnchantmentManager.getEnchantmentLevel(Enchantments.SILK_TOUCH, itemstack) == 0) {
+            int i = 1 + world.random.nextInt(5);
+
+            return i;
+        }
+        return 0;
+        // CraftBukkit end
     }
 
     private static void playEffect(World world, BlockPosition blockposition) {