thatchStairs = new BlockThatchStairs();
thatchSlab = new BlockThatchSlab(false);
thatchSlabFull = new BlockThatchSlab(true);
prismarineStairs = new BlockPrismarineStairs();
prismarineSlab = new BlockPrismarineSlab(false);
prismarineSlabFull = new BlockPrismarineSlab(true);
prismarineBrickStairs = new BlockPrismarineBrickStairs();
prismarineBrickSlab = new BlockPrismarineBrickSlab(false);
prismarineBrickSlabFull = new BlockPrismarineBrickSlab(true);
darkPrismarineStairs = new BlockDarkPrismarineStairs();
darkPrismarineSlab = new BlockDarkPrismarineSlab(false);