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

--- ../src-base/minecraft/net/minecraft/block/BlockOre.java
+++ ../src-work/minecraft/net/minecraft/block/BlockOre.java
@@ -78,34 +78,39 @@
     public void dropBlockAsItemWithChance(World worldIn, BlockPos pos, IBlockState state, float chance, int fortune)
     {
         super.dropBlockAsItemWithChance(worldIn, pos, state, chance, fortune);
-
-        if (this.getItemDropped(state, worldIn.rand, fortune) != Item.getItemFromBlock(this))
+    }
+    @Override
+    public int getExpDrop(IBlockState state, net.minecraft.world.IBlockAccess world, BlockPos pos, int fortune)
+    {
+        Random rand = world instanceof World ? ((World)world).rand : new Random();
+        if (this.getItemDropped(state, rand, fortune) != Item.getItemFromBlock(this))
         {
             int i = 0;
 
             if (this == Blocks.COAL_ORE)
             {
-                i = MathHelper.getInt(worldIn.rand, 0, 2);
+                i = MathHelper.getInt(rand, 0, 2);
             }
             else if (this == Blocks.DIAMOND_ORE)
             {
-                i = MathHelper.getInt(worldIn.rand, 3, 7);
+                i = MathHelper.getInt(rand, 3, 7);
             }
             else if (this == Blocks.EMERALD_ORE)
             {
-                i = MathHelper.getInt(worldIn.rand, 3, 7);
+                i = MathHelper.getInt(rand, 3, 7);
             }
             else if (this == Blocks.LAPIS_ORE)
             {
-                i = MathHelper.getInt(worldIn.rand, 2, 5);
+                i = MathHelper.getInt(rand, 2, 5);
             }
             else if (this == Blocks.QUARTZ_ORE)
             {
-                i = MathHelper.getInt(worldIn.rand, 2, 5);
+                i = MathHelper.getInt(rand, 2, 5);
             }
 
-            this.dropXpOnBlockBreak(worldIn, pos, i);
+            return i;
         }
+        return 0;
     }
 
     public ItemStack getItem(World worldIn, BlockPos pos, IBlockState state)