libMicrofx/microfx_src/src/ext/gametools/collisions.c

#include "../../../include/microfx/ext/gametools.h"

int vget_tile_at_point(MMap *map, int x, int y) {
    /* tx and ty contain the tile position. */
    int tx = x/map->tw, ty = y/map->th;
    if(tx>=0 && tx < map->w && ty>=0 && ty < map->h){
        return (int)map->map[ty*map->w+tx];
    }
    return -1;
}