Kaktus_slot_machine

#include <iostream>
#include "SDL/SDL.h"
#include <ctime>
#include <string>

using namespace std;

void exit();

//surfaces
SDL_Surface *screen = NULL;
SDL_Surface *cpp = NULL;
SDL_Surface *java = NULL;
SDL_Surface *background = NULL;
//slotsakerna
SDL_Surface *lisp = NULL;
SDL_Surface *gml = NULL;
SDL_Surface *c = NULL;

//variables
int random[3];
Uint8 *key;

SDL_Event event;

void apply_surface(int x, int y, SDL_Surface* source, SDL_Surface* destination) {
    SDL_Rect offset;

    offset.x = x;
    offset.y = y;

    SDL_BlitSurface(source, NULL, destination, &offset);
}

void slot();
void keyinput();

int main(int argc, char *args []) {

    srand(time(NULL));
    SDL_Init(SDL_INIT_EVERYTHING);

    cpp = SDL_LoadBMP("image/cpp.bmp");
    java = SDL_LoadBMP("image/java.bmp");
    background = SDL_LoadBMP("image/background.bmp");
    lisp = SDL_LoadBMP("image/lisp.bmp");
    c = SDL_LoadBMP("image/c.bmp");
    gml = SDL_LoadBMP("image/gml.bmp");

    screen = SDL_SetVideoMode(640, 480, 32, SDL_SWSURFACE);
    apply_surface(0, 0, background, screen);

    slot();
    keyinput();

    SDL_Flip(screen);

    SDL_Delay(2000);
    exit();
    SDL_Quit();
    return 0;
}

void exit() {
    SDL_FreeSurface(cpp);
    SDL_FreeSurface(java);
    SDL_FreeSurface(background);
    SDL_FreeSurface(lisp);
    SDL_FreeSurface(gml);
    SDL_FreeSurface(c);
}

void slot() {
    int place[3];
    place[0] = 90;
    place[1] = 250;
    place[2] = 400;

    int y = 220;

    for(int i=0; i<3; i++) {
        random[i] = rand() % 5 + 1;

        if(random[i] == 1) {
            apply_surface(place[i], y, cpp, screen);
        } else if(random[i] == 2) {
            apply_surface(place[i], y, java, screen);
        } else if(random[i] == 3) {
            apply_surface(place[i], y, lisp , screen);
        } else if(random[i] == 4) {
            apply_surface(place[i], y, gml, screen);
        } else if(random[i] == 5) {
            apply_surface(place[i], y, c, screen);
        }
    }

    SDL_Flip(screen);
}

void keyinput() {
    while(true) {
        if( SDL_PollEvent (&event)) {

                if(event.type == SDL_KEYDOWN) {

                    switch(event.key.keysym.sym) {

                        case SDLK_SPACE:
                            slot();
                            break;

                        case SDLK_ESCAPE:
                            exit();
                            break;
                    }
                }
        }
    }
}