SDL tutorial 19

//http://www.youtube.com/user/thecplusplusguy
//Thanks for the typed in code to Tapit85
#include <SDL/SDL.h>
#include <iostream>
#include <SDL/SDL_ttf.h>
#include <SDL/SDL_mixer.h>
#include "ball.h"
#include "paddle.h"

int showmenu(SDL_Surface* screen, TTF_Font* font)
{
    Uint32 time;
    int x, y;
    const int NUMMENU = 2;
    const char* labels[NUMMENU] = {"Continue","Exit"};
    SDL_Surface* menus[NUMMENU];
    bool selected[NUMMENU] = {0,0};
    SDL_Color color[2] = {{255,255,255},{255,0,0}};

    menus[0] = TTF_RenderText_Solid(font,labels[0],color[0]);
    menus[1] = TTF_RenderText_Solid(font,labels[1],color[0]);
    SDL_Rect pos[NUMMENU];
    pos[0].x = screen->clip_rect.w/2 - menus[0]->clip_rect.w/2;
    pos[0].y = screen->clip_rect.h/2 - menus[0]->clip_rect.h;
    pos[1].x = screen->clip_rect.w/2 - menus[0]->clip_rect.w/2;
    pos[1].y = screen->clip_rect.h/2 + menus[0]->clip_rect.h;
//  SDL_Surface* alpha = SDL_CreateRGBSurface(SDL_SWSURFACE,screen->w,screen->h,32,screen->format->Rmask,screen->format->Gmask,screen->format->Bmask,screen->format->Amask);    // alternative 1
    SDL_Surface* alpha = SDL_LoadBMP("background.bmp"); // alternative 2
//  SDL_FillRect(alpha,&screen->clip_rect,SDL_MapRGB(screen->format,0x00,0x00,0x00));   // alternative 1
    SDL_SetAlpha(alpha,SDL_SRCALPHA,129);
    SDL_BlitSurface(alpha,NULL,screen,NULL);
    SDL_FreeSurface(alpha);

    SDL_Event event;
    while(1)
    {
        time = SDL_GetTicks();
        while(SDL_PollEvent(&event))
        {
            switch(event.type)
            {
                case SDL_QUIT:
                    SDL_FreeSurface(menus[0]);
                    SDL_FreeSurface(menus[1]);
                    return 1;
                case SDL_MOUSEMOTION:
                    x = event.motion.x;
                    y = event.motion.y;
                    for(int i = 0; i < NUMMENU; i += 1) {
                        if(x>=pos[i].x && x<=pos[i].x+pos[i].w && y>=pos[i].y && y<=pos[i].y+pos[i].h)
                        {
                            if(!selected[i])
                            {
                                selected[i] = 1;
                                SDL_FreeSurface(menus[i]);
                                menus[i] = TTF_RenderText_Solid(font,labels[i],color[1]);
                            }
                        }
                        else
                        {
                            if(selected[i])
                            {
                                selected[i] = 0;
                                SDL_FreeSurface(menus[i]);
                                menus[i] = TTF_RenderText_Solid(font,labels[i],color[0]);
                            }
                        }
                    }
                    break;
                case SDL_MOUSEBUTTONDOWN:
                    x = event.button.x;
                    y = event.button.y;
                    for(int i = 0; i < NUMMENU; i += 1) {
                        if(x>=pos[i].x && x<=pos[i].x+pos[i].w && y>=pos[i].y && y<=pos[i].y+pos[i].h)
                        {
                            SDL_FreeSurface(menus[0]);
                            SDL_FreeSurface(menus[1]);
                            return i;
                        }
                    }
                    break;
                case SDL_KEYDOWN:
                    if(event.key.keysym.sym == SDLK_ESCAPE)
                    {
                        SDL_FreeSurface(menus[0]);
                        SDL_FreeSurface(menus[1]);
                        return 0;
                    }
            }
        }
        for(int i = 0; i < NUMMENU; i += 1) {
            SDL_BlitSurface(menus[i],NULL,screen,&pos[i]);
        }
        SDL_Flip(screen);
        if(1000/30 > (SDL_GetTicks()-time))
            SDL_Delay(1000/30 - (SDL_GetTicks()-time));
    }
}


SDL_Surface *load_image(const char *c, Uint32 colorkey = 0)
{
    SDL_Surface *tmp = SDL_LoadBMP(c);
    if(colorkey != 0)
    {
        SDL_SetColorKey(tmp, SDL_SRCCOLORKEY, colorkey);
    }
    return tmp;
}

int main()
{
    SDL_Surface *screen, *icon;
    const int width = 640;
    const int height = 480;
    const int FPS = 30;
    screen = SDL_SetVideoMode(width,height,32,SDL_SWSURFACE);
    icon = load_image("icon.bmp");
    SDL_WM_SetIcon(icon, NULL);
    SDL_WM_SetCaption("Pong Game", NULL);
    TTF_Font *font;
    TTF_Init();
    Mix_OpenAudio(22050,MIX_DEFAULT_FORMAT,2,4096);
    Mix_Music *music;
    Mix_Chunk *effect,*effect2;
    music = Mix_LoadMUS("tempmusic.wav");
    effect = Mix_LoadWAV("tempsound1.wav");
    effect2 = Mix_LoadWAV("tempsound2.wav");
    Mix_PlayMusic(music,-1);
    font = TTF_OpenFont("Test.ttf",30);
    SDL_Color color = {0,0,0};
    SDL_Event event;
    Uint32 start;
    bool running = true;
    bool arr[4] = {0,0,0,0};
    paddle player1(load_image("paddle.bmp"),0,225,10,50,3);
    paddle player2(load_image("paddle.bmp"),width-10,255,10,50,3);
    ball ball1(load_image("ball.bmp",SDL_MapRGB(screen->format,0x00,0xff,0xff)),320,240,20,20,3,3);
    int i = showmenu(screen, font);
    if(i==1)
        running = false;
    while(running)
    {
        start = SDL_GetTicks();
        //handle events
        while(SDL_PollEvent(&event))
        {
            switch(event.type)
            {
                case SDL_QUIT:
                    running = false;
                    break;
                case SDL_KEYDOWN:
                    switch(event.key.keysym.sym)
                    {
                        case SDLK_UP:
                            arr[0] = 1;
                            break;
                        case SDLK_DOWN:
                            arr[1] = 1;
                            break;

                        case SDLK_w:
                            arr[2] = 1;
                            break;
                        case SDLK_s:
                            arr[3] = 1;
                            break;
                        case SDLK_ESCAPE:
                            int i = showmenu(screen, font);
                            if(i==1)
                                running = false;
                            break;
                    }
                    break;
                case SDL_KEYUP:
                    switch(event.key.keysym.sym)
                    {
                        case SDLK_UP:
                            arr[0] = 0;
                            break;
                        case SDLK_DOWN:
                            arr[1] = 0;
                            break;

                        case SDLK_w:
                            arr[2] = 0;
                            break;
                        case SDLK_s:
                            arr[3] = 0;
                            break;
                    }
                    break;
            }
        }
        //logic
        if(arr[0])
            player2.moveUp();
        else if(arr[1])
            player2.moveDown();
        if(arr[2])
            player1.moveUp();
        else if(arr[3])
            player1.moveDown();
        ball1.move(player1.getRect(), player2.getRect(), effect);
        switch(ball1.isOut())
        {
            case 1:
                player2.incpoint();
//              player1.setBack(0,225,10,50,3);
//              player2.setBack(width-10,255,10,50,3);
                ball1.setBack(320,240,20,20,3,3,effect2);
                break;
            case 2:
                player1.incpoint();
//              player1.setBack(0,225,10,50,3);
//              player2.setBack(width-10,255,10,50,3);
                ball1.setBack(320,240,20,20,3,3,effect2);
                break;
        }


        //render
        SDL_FillRect(screen, &screen->clip_rect, SDL_MapRGB(screen->format,0xff,0xff,0xff));
        player1.show();
        player2.show();
        ball1.show();

        char c[5];
        SDL_Rect tmp = {10,0};
        sprintf(c, "%d", player1.getPoints());
        SDL_Surface *text = TTF_RenderText_Solid(font,c,color);
        SDL_BlitSurface(text,NULL,screen,&tmp);

        tmp.x = width-40;
        sprintf(c, "%d", player2.getPoints());
        text = TTF_RenderText_Solid(font,c,color);
        SDL_BlitSurface(text,NULL,screen,&tmp);
        SDL_FreeSurface(text);

        SDL_Flip(screen);
        //regulate FPS
        if(1000/FPS > (SDL_GetTicks()-start))
            SDL_Delay(1000/FPS-(SDL_GetTicks()-start));
    }
    // deinitialization
    SDL_FreeSurface(icon);
    Mix_FreeMusic(music);
    Mix_FreeChunk(effect);
    Mix_FreeChunk(effect2);
    Mix_CloseAudio();
    TTF_CloseFont(font);
    TTF_Quit();
    SDL_Quit();
}