prismarineBrickSlabFull = new BlockPrismarineBrickSlab(true);
darkPrismarineStairs = new BlockDarkPrismarineStairs();
darkPrismarineSlab = new BlockDarkPrismarineSlab(false);
darkPrismarineSlabFull = new BlockDarkPrismarineSlab(true);
netherBrickStairs = new BlockCustomBrickStairs();
netherBrickSlab = new BlockCustomBrickSlab(false);
netherBrickSlabFull = new BlockCustomBrickSlab(true);
soulBrickStairs = new BlockSoulBrickStairs();
soulBrickSlab = new BlockSoulBrickSlab(false);
soulBrickSlabFull = new BlockSoulBrickSlab(true);