Method getRedstonePower

src/main/java/net/minecraft/world/World.java:3248–3253

(BlockPos pos, EnumFacing facing)

    }

    public int getRedstonePower(BlockPos pos, EnumFacing facing)
    {
        IBlockState iblockstate = this.getBlockState(pos);
        Block block = iblockstate.getBlock();
        return block.isNormalCube() ? this.getStrongPower(pos) : block.isProvidingWeakPower(this, pos, iblockstate, facing);
    }

    public boolean isBlockPowered(BlockPos pos)
    {