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

--- ../src-base/minecraft/net/minecraft/block/BlockFence.java
+++ ../src-work/minecraft/net/minecraft/block/BlockFence.java
@@ -165,7 +165,10 @@
 
     public IBlockState getActualState(IBlockState state, IBlockAccess worldIn, BlockPos pos)
     {
-        return state.withProperty(NORTH, Boolean.valueOf(this.canConnectTo(worldIn, pos.north(), EnumFacing.SOUTH))).withProperty(EAST, Boolean.valueOf(this.canConnectTo(worldIn, pos.east(), EnumFacing.WEST))).withProperty(SOUTH, Boolean.valueOf(this.canConnectTo(worldIn, pos.south(), EnumFacing.NORTH))).withProperty(WEST, Boolean.valueOf(this.canConnectTo(worldIn, pos.west(), EnumFacing.EAST)));
+        return state.withProperty(NORTH, canFenceConnectTo(worldIn, pos, EnumFacing.NORTH))
+                    .withProperty(EAST,  canFenceConnectTo(worldIn, pos, EnumFacing.EAST))
+                    .withProperty(SOUTH, canFenceConnectTo(worldIn, pos, EnumFacing.SOUTH))
+                    .withProperty(WEST,  canFenceConnectTo(worldIn, pos, EnumFacing.WEST));
     }
 
     public IBlockState withRotation(IBlockState state, Rotation rot)
@@ -201,6 +204,23 @@
         return new BlockStateContainer(this, new IProperty[] {NORTH, EAST, WEST, SOUTH});
     }
 
+    /* ======================================== FORGE START ======================================== */
+
+    @Override
+    public boolean canBeConnectedTo(IBlockAccess world, BlockPos pos, EnumFacing facing)
+    {
+        return canConnectTo(world, pos.offset(facing), facing.getOpposite());
+    }
+
+    private boolean canFenceConnectTo(IBlockAccess world, BlockPos pos, EnumFacing facing)
+    {
+        BlockPos other = pos.offset(facing);
+        Block block = world.getBlockState(other).getBlock();
+        return block.canBeConnectedTo(world, other, facing.getOpposite()) || canConnectTo(world, other, facing.getOpposite());
+    }
+
+    /* ======================================== FORGE END ======================================== */
+
     public BlockFaceShape getBlockFaceShape(IBlockAccess worldIn, IBlockState state, BlockPos pos, EnumFacing face)
     {
         return face != EnumFacing.UP && face != EnumFacing.DOWN ? BlockFaceShape.MIDDLE_POLE : BlockFaceShape.CENTER;