obstacles.c

#include "obstacles.h"
#include "constants.h"

// Include the function definitions that were missing
ObstacleType char_to_obstacle_type(char c) {
    switch(c) {
        case '0': return ObstacleTypeNone;
        case '1': return ObstacleTypeBlock;
        case '2': return ObstacleTypeSpikeUp;
        case '3': return ObstacleTypeSpikeDown;
        case '4': return ObstacleTypeSpikeLeft;
        case '5': return ObstacleTypeSpikeRight;
        case '6': return ObstacleTypePortalShip;
        case '7': return ObstacleTypePortalCube;
        case '8': return ObstacleTypePortalBall;
        case '9': return ObstacleTypePortalUfo;
        case 'a': return ObstacleTypeGravityUp;
        case 'b': return ObstacleTypeGravityDown;
        default: return ObstacleTypeNone;
    }
}

int safe_atoi(const char* str) {
    if (!str) return 0;
    while (*str == ' ') str++;
    if (*str == '\0' || (!isdigit((unsigned char)*str) && *str != '-' && *str != '+')) {
        return 0;
    }
    return atoi(str);
}