LAB V3 map format

https://mutantleg.itch.io/lab-v30/
file formats


.spr format:
int mapwidth;
int mapheight;
float tilewidth; //32.0f
float tileheight;
xSpr [ mapwidth * mapheight ]


struct xSpr
{
  char name[32];
  int valid;
  int trig;
  int skin;
};




.map format:
int mapwidth;
int mapheight;
float tilewidth; //32.0f
float tileheight;
xBlock [ mapwidth * mapheight ]


struct xBlock
{
  int side[6];
  int wall;
  int flag;
};