Function create

src/world/level.cpp:44–48

namespace level
{
	Level *create(Allocator &a, const LevelResource *level_resource)
	{
		Level *l = (Level *)a.allocate(sizeof(*l) + level_resource->num_units*sizeof(UnitId));
		return new (l) Level(level_resource, (UnitId *)&l[1]);
	}

	void destroy(Allocator &a, Level *level)
	{