glm::vec3 next_pos = Chunk::ToCoords(blkid) + normal;
if (!Chunk::InBounds(next_pos)) {
mod_chunk = &world.Next(*chunk, normal);
glm::vec3 next_pos = Chunk::ToCoords(blkid) + normal;
if (!Chunk::InBounds(next_pos)) {
mod_chunk = &world.Next(*chunk, normal);