CatServer/patches/net/minecraft/item/ItemShears.java.patch

--- ../src-base/minecraft/net/minecraft/item/ItemShears.java
+++ ../src-work/minecraft/net/minecraft/item/ItemShears.java
@@ -26,6 +26,7 @@
         }
 
         Block block = state.getBlock();
+        if (block instanceof net.minecraftforge.common.IShearable) return true;
         return state.getMaterial() != Material.LEAVES && block != Blocks.WEB && block != Blocks.TALLGRASS && block != Blocks.VINE && block != Blocks.TRIPWIRE && block != Blocks.WOOL ? super.onBlockDestroyed(stack, worldIn, state, pos, entityLiving) : true;
     }
 
@@ -35,6 +36,75 @@
         return block == Blocks.WEB || block == Blocks.REDSTONE_WIRE || block == Blocks.TRIPWIRE;
     }
 
+
+    @Override
+    public boolean itemInteractionForEntity(ItemStack itemstack, net.minecraft.entity.player.EntityPlayer player, EntityLivingBase entity, net.minecraft.util.EnumHand hand)
+    {
+        if (entity.world.isRemote)
+        {
+            return false;
+        }
+        if (entity instanceof net.minecraftforge.common.IShearable)
+        {
+            net.minecraftforge.common.IShearable target = (net.minecraftforge.common.IShearable)entity;
+            BlockPos pos = new BlockPos(entity.posX, entity.posY, entity.posZ);
+            if (target.isShearable(itemstack, entity.world, pos))
+            {
+                java.util.List<ItemStack> drops = target.onSheared(itemstack, entity.world, pos,
+                        net.minecraft.enchantment.EnchantmentHelper.getEnchantmentLevel(net.minecraft.init.Enchantments.FORTUNE, itemstack));
+
+                java.util.Random rand = new java.util.Random();
+                for(ItemStack stack : drops)
+                {
+                    net.minecraft.entity.item.EntityItem ent = entity.entityDropItem(stack, 1.0F);
+                    ent.motionY += rand.nextFloat() * 0.05F;
+                    ent.motionX += (rand.nextFloat() - rand.nextFloat()) * 0.1F;
+                    ent.motionZ += (rand.nextFloat() - rand.nextFloat()) * 0.1F;
+                }
+                itemstack.damageItem(1, entity);
+            }
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean onBlockStartBreak(ItemStack itemstack, BlockPos pos, net.minecraft.entity.player.EntityPlayer player)
+    {
+        if (player.world.isRemote || player.capabilities.isCreativeMode)
+        {
+            return false;
+        }
+        Block block = player.world.getBlockState(pos).getBlock();
+        if (block instanceof net.minecraftforge.common.IShearable)
+        {
+            net.minecraftforge.common.IShearable target = (net.minecraftforge.common.IShearable)block;
+            if (target.isShearable(itemstack, player.world, pos))
+            {
+                java.util.List<ItemStack> drops = target.onSheared(itemstack, player.world, pos,
+                        net.minecraft.enchantment.EnchantmentHelper.getEnchantmentLevel(net.minecraft.init.Enchantments.FORTUNE, itemstack));
+                java.util.Random rand = new java.util.Random();
+
+                for (ItemStack stack : drops)
+                {
+                    float f = 0.7F;
+                    double d  = (double)(rand.nextFloat() * f) + (double)(1.0F - f) * 0.5D;
+                    double d1 = (double)(rand.nextFloat() * f) + (double)(1.0F - f) * 0.5D;
+                    double d2 = (double)(rand.nextFloat() * f) + (double)(1.0F - f) * 0.5D;
+                    net.minecraft.entity.item.EntityItem entityitem = new net.minecraft.entity.item.EntityItem(player.world, (double)pos.getX() + d, (double)pos.getY() + d1, (double)pos.getZ() + d2, stack);
+                    entityitem.setDefaultPickupDelay();
+                    player.world.spawnEntity(entityitem);
+                }
+
+                itemstack.damageItem(1, player);
+                player.addStat(net.minecraft.stats.StatList.getBlockStats(block));
+                player.world.setBlockState(pos, Blocks.AIR.getDefaultState(), 11); //TODO: Move to IShearable implementors in 1.12+
+                return true;
+            }
+        }
+        return false;
+    }
+
     public float getDestroySpeed(ItemStack stack, IBlockState state)
     {
         Block block = state.getBlock();