Java 类net.minecraft.block.BlockRedstoneLight 实例源码

public static boolean canConnectVanilla(World world, BlockPos pos, ForgeDirection side, ForgeDirection face) {

        if (side == ForgeDirection.UNKNOWN)
            return false;

        Block block = world.getBlock(pos.getX(), pos.getY(), pos.getZ());
        int meta = world.getBlockMetadata(pos.getX(), pos.getY(), pos.getZ());
        int d = Direction.getMovementDirection(side.offsetX, side.offsetZ);

        if ((block == Blocks.unpowered_repeater || block == Blocks.powered_repeater)
                && (face == ForgeDirection.DOWN || face == ForgeDirection.UNKNOWN))
            if (d % 2 == meta % 2)
                return true;

        if (block instanceof BlockLever) {
            meta = meta % 8;
            ForgeDirection leverFace = ((meta == 0 || meta == 7) ? ForgeDirection.UP : ((meta == 5 || meta == 6) ? ForgeDirection.DOWN
                    : (meta == 1 ? ForgeDirection.WEST : (meta == 2 ? ForgeDirection.EAST : (meta == 3 ? ForgeDirection.NORTH
                            : (meta == 4 ? ForgeDirection.SOUTH : ForgeDirection.UNKNOWN))))));
            if (face != ForgeDirection.UNKNOWN && face != leverFace)
                return false;
            return side != leverFace.getOpposite();
        }

        if (block instanceof BlockRedstoneComparator && (face == ForgeDirection.DOWN || face == ForgeDirection.UNKNOWN))
            return side != ForgeDirection.UP;

        if (block instanceof BlockRedstoneWire)
            return face == ForgeDirection.UNKNOWN || face == ForgeDirection.DOWN;

        return block instanceof BlockDoor || block instanceof BlockRedstoneLight || block instanceof BlockTNT
                || block instanceof BlockDispenser || block instanceof BlockNote
                || block instanceof BlockPistonBase;// true;
    }

private static boolean isVanillaBlock(World world, BlockPos pos) {

        Block b = world.getBlock(pos.getX(), pos.getY(), pos.getZ());
        return b instanceof BlockRedstoneRepeater || b instanceof BlockLever || b instanceof BlockRedstoneWire
                || b instanceof BlockRedstoneComparator || b instanceof BlockDoor || b instanceof BlockRedstoneLight
                || b instanceof BlockTNT || b instanceof BlockDispenser || b instanceof BlockNote
                || b instanceof BlockPistonBase;
    }