#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdbool.h>
#include <math.h>

#include <raylib.h>
#include <raymath.h>

#include "types.h"
#include "draw.h"
#include "lua_inter.h"

extern MapCollec mapcollec;

int generate_coll(Game *game, int mapn){
  LoadedMap *lmap = &game->map;
  Map *map = mapcollec.maps[mapn];
  Machines *mach = &game->machines;
  memcpy(lmap->coll, map->layers[1], map->width*map->height);
  for(int i = 0; i < mach->machine_n; i++){
    V2d pos = mach->machine_stack[i].pos;
    lmap->coll[(int)(pos.y * lmap->width + pos.x)] = 1;
    lmap->coll[(int)(pos.y * lmap->width + pos.x+1)] = 1;
    lmap->coll[(int)((pos.y+1) * lmap->width + pos.x)] = 1;
    lmap->coll[(int)((pos.y+1) * lmap->width + pos.x+1)] = 1;
  }
  return 0;
}

int load_map(Game *game, int mapn){
  LoadedMap *nmap = &game->map;
  Map *map = mapcollec.maps[mapn];
  nmap->maptex = mkmap_tex(map);
  nmap->width = map->width;
  nmap->height = map->height;
  nmap->coll = realloc(nmap->coll, map->width*map->height);
  if(!nmap->coll)
    return 1;
  if(generate_coll(game, mapn))
    return 1;

  lua_onmapload(game, mapn);

  return 0;
}

void clean_map(Game *game){
  free(game->map.coll);
  game->map.coll = NULL;
}