Kaktus_pong main.cpp

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

#include "surfaces.h"
#include "classes.h"

using namespace std;

void apply_surface(int x, int y, SDL_Surface *source, SDL_Surface *destination);
void restart();

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

    window.width = 640;
    window.height = 480;

    SDL_Surface *screen = SDL_SetVideoMode(window.width, window.height, 32, SDL_SWSURFACE);

    SDL_Init(SDL_INIT_EVERYTHING);
    SDL_WM_SetCaption("Kaktus - Pong", NULL);

    cPlayer.x = 50;
    cPlayer.y = (480 / 2) - 80;

    cPlayer2.x = 570;
    cPlayer2.y = (480 / 2) - 80;


    cBall.x = 320;
    cBall.y = 240;
    cBall.xspeed = 1;
    cBall.yspeed = 1;
    cBall.speed = 0;

    Uint8 *key;
    bool gameLoop = true;
    SDL_Event event;

    while(gameLoop == true) {

        SDL_PumpEvents();
        key = SDL_GetKeyState(NULL);

        if(key[SDLK_UP]) {
            cPlayer2.y-=4;
        } else if(key[SDLK_DOWN]) {
            cPlayer2.y+=4;
        }

        if(key[SDLK_w]) {
            cPlayer.y-=4;
        } else if(key[SDLK_s]) {
            cPlayer.y+=4;
        }

        if(key[SDLK_ESCAPE]) {
            gameLoop = false;
        } else if(key[SDLK_r]) {
            restart();
        }

        if(event.type == SDL_QUIT) {
            gameLoop = false;
        }

        if(cBall.x > cPlayer.x && cBall.x < cPlayer.x + 8)
            if(cBall.y + 16 > cPlayer.y && cBall.y + 16 < cPlayer.y + 80) {
                cBall.speed += 0.3;
                cBall.xspeed += 1 + cBall.speed;
        }

        if(cBall.x + 16 > cPlayer2.x && cBall.x < cPlayer2.x + 8)
            if(cBall.y + 16 > cPlayer2.y && cBall.y + 16 < cPlayer2.y + 80) {
                cBall.speed += 0.3;
                cBall.xspeed -= (1 + cBall.speed);
        }

        if(cBall.y+cBall.yspeed <=0 && cBall.yspeed<0) {
            cBall.yspeed =- cBall.yspeed;
        } else if(cBall.y + cBall.yspeed >= 480 - 16 && cBall.yspeed>0) {
            cBall.yspeed =- cBall.yspeed;
        }

        if(cBall.x+cBall.xspeed <= 0 - 16 && cBall.xspeed<0) {
            restart();
        } else if(cBall.x + cBall.xspeed >= 640 && cBall.xspeed>0) {
            restart();
        }

        cBall.x += cBall.xspeed;
        cBall.y += cBall.yspeed;

        apply_surface(0, 0, background, screen);
        apply_surface(cPlayer.x, cPlayer.y, player, screen);
        apply_surface(cPlayer2.x, cPlayer2.y, player2, screen);
        apply_surface(cBall.x, cBall.y, ball, screen);

        SDL_Flip(screen);

    }

    SDL_FreeSurface(background);
    SDL_FreeSurface(player);
    SDL_FreeSurface(player2);
    SDL_FreeSurface(ball);
    SDL_Quit();
}

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

    rect.x = x;
    rect.y = y;

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

void restart() {
    cPlayer.x = 50;
    cPlayer.y = (480 / 2) - 80;

    cPlayer2.x = 570;
    cPlayer2.y = (480 / 2) - 80;


    cBall.x = 320;
    cBall.y = 240;
    cBall.xspeed = 1;
    cBall.yspeed = 1;
}