PickItUp

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

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

using namespace std;

int screen_width = 640;
int screen_height = 480;
int screen_bpp = 32;

SDL_Surface *screen = SDL_SetVideoMode(screen_width, screen_height, screen_bpp, SDL_SWSURFACE);

bool gameLoop = true;

void loadVar();
void game();
void collision();

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 load_sprite(int x, int y, int bx, int by, int width, int height, SDL_Surface *source, SDL_Surface *destination) {
    SDL_Rect rect;
    SDL_Rect offset;

    rect.x = bx;
    rect.y = by;
    rect.w = width;
    rect.h = height;

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

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

int main(int argc, char *args[]) {
    SDL_Init(SDL_INIT_EVERYTHING);
    SDL_WM_SetCaption("Kaktus - PickItUp", NULL);

    Uint32 colorkey = SDL_MapRGB( tileset->format, 255, 0, 255);
    SDL_SetColorKey( tileset, SDL_SRCCOLORKEY, colorkey );

    loadVar();
    game();

    SDL_FreeSurface(tileset);
    cout << "Program exit!" << endl;
    SDL_Quit();
}

void loadVar() {
    cPlayer.pos = 1;
    cPlayer.y = (480-32-10);
}

void game() {
    Uint8 *key;

    int x[3];
    x[0] = 32 + 10;
    x[1] = (640/2)-16;
    x[2] = 640-32-10-32;

    double ballX[3];
    ballX[0] = x[0];
    ballX[1] = x[1];
    ballX[2] = x[2];

    double ballY[3];
    ballY[0] = 0;
    ballY[1] = -32;
    ballY[2] = -72;

    double ballYspeed[3];
    for(int i=0; i<3; i++) {
        ballYspeed[i] = 0.5;
    }

    cPlayer.x = x[1];

    while(gameLoop) {
        SDL_PumpEvents();
        key = SDL_GetKeyState(NULL);

        if((key[SDLK_LEFT]) && cPlayer.pos == 1) {
            cPlayer.pos = 0;
            cPlayer.x = x[0];
            SDL_Delay(100);
        } else if((key[SDLK_LEFT]) && cPlayer.pos == 2) {
            cPlayer.pos = 1;
            cPlayer.x = x[1];
            SDL_Delay(100);
        }

        else if((key[SDLK_RIGHT]) && cPlayer.pos == 0) {
            cPlayer.pos = 1;
            cPlayer.x = x[1];
            SDL_Delay(100);
        } else if((key[SDLK_RIGHT]) && cPlayer.pos == 1) {
            cPlayer.pos = 2;
            cPlayer.x = x[2];
            SDL_Delay(100);
        }


        for(int i = 0; i<3; i++) {
            ballY[i] += ballYspeed[i];
        }

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

        for(int i = 0; i<3; i++) {
            if(ballX[i] + 32 > cPlayer.x && ballX[i] < cPlayer.x + 32)
                if(ballY[i]+32 > cPlayer.y && ballY[i]+32 < cPlayer.y + 32) {
                    ballY[i] = 0 - 32;
                    ballYspeed[i] += 0.23;
            }
        }

        for(int i = 0; i<3; i++) {
            if(ballY[i] > 480) {
                ballY[i] = 0 - 32;
            }
        }

        apply_surface(0, 0, background, screen);

        load_sprite(ballX[0], ballY[0], 32+2, 1, 32, 32, tileset, screen);
        load_sprite(ballX[1], ballY[1], 32+2, 1, 32, 32, tileset, screen);
        load_sprite(ballX[2], ballY[2], 32+2, 1, 32, 32, tileset, screen);

        load_sprite(cPlayer.x, cPlayer.y, 1, 1, 32, 32, tileset, screen);
        SDL_Flip(screen);
    }

}