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

--- ../src-base/minecraft/net/minecraft/block/BlockChest.java
+++ ../src-work/minecraft/net/minecraft/block/BlockChest.java
@@ -42,14 +42,14 @@
     protected static final AxisAlignedBB WEST_CHEST_AABB = new AxisAlignedBB(0.0D, 0.0D, 0.0625D, 0.9375D, 0.875D, 0.9375D);
     protected static final AxisAlignedBB EAST_CHEST_AABB = new AxisAlignedBB(0.0625D, 0.0D, 0.0625D, 1.0D, 0.875D, 0.9375D);
     protected static final AxisAlignedBB NOT_CONNECTED_AABB = new AxisAlignedBB(0.0625D, 0.0D, 0.0625D, 0.9375D, 0.875D, 0.9375D);
-    public final BlockChest.Type chestType;
+    public final Type chestType;
 
-    protected BlockChest(BlockChest.Type chestTypeIn)
+    protected BlockChest(Type chestTypeIn)
     {
         super(Material.WOOD);
         this.setDefaultState(this.blockState.getBaseState().withProperty(FACING, EnumFacing.NORTH));
         this.chestType = chestTypeIn;
-        this.setCreativeTab(chestTypeIn == BlockChest.Type.TRAP ? CreativeTabs.REDSTONE : CreativeTabs.DECORATIONS);
+        this.setCreativeTab(chestTypeIn == Type.TRAP ? CreativeTabs.REDSTONE : CreativeTabs.DECORATIONS);
     }
 
     public boolean isOpaqueCube(IBlockState state)
@@ -424,11 +424,11 @@
             {
                 playerIn.displayGUIChest(ilockablecontainer);
 
-                if (this.chestType == BlockChest.Type.BASIC)
+                if (this.chestType == Type.BASIC)
                 {
                     playerIn.addStat(StatList.CHEST_OPENED);
                 }
-                else if (this.chestType == BlockChest.Type.TRAP)
+                else if (this.chestType == Type.TRAP)
                 {
                     playerIn.addStat(StatList.TRAPPED_CHEST_TRIGGERED);
                 }
@@ -470,7 +470,7 @@
 
                     if (block == this)
                     {
-                        if (this.isBlocked(worldIn, blockpos))
+                        if (!allowBlocking && this.isBlocked(worldIn, blockpos)) // Forge: fix MC-99321
                         {
                             return null;
                         }
@@ -503,7 +503,7 @@
 
     public boolean canProvidePower(IBlockState state)
     {
-        return this.chestType == BlockChest.Type.TRAP;
+        return this.chestType == Type.TRAP;
     }
 
     public int getWeakPower(IBlockState blockState, IBlockAccess blockAccess, BlockPos pos, EnumFacing side)
@@ -538,7 +538,7 @@
 
     private boolean isBelowSolidBlock(World worldIn, BlockPos pos)
     {
-        return worldIn.getBlockState(pos.up()).isNormalCube();
+        return worldIn.getBlockState(pos.up()).doesSideBlockChestOpening(worldIn, pos.up(), EnumFacing.DOWN);
     }
 
     private boolean isOcelotSittingOnChest(World worldIn, BlockPos pos)
@@ -608,4 +608,10 @@
         BASIC,
         TRAP;
     }
+
+    /* ======================================== FORGE START =====================================*/
+    public boolean rotateBlock(World world, BlockPos pos, EnumFacing axis)
+    {
+        return !isDoubleChest(world, pos) && super.rotateBlock(world, pos, axis);
+    }
 }