SpacePong.h

SpacePong header - A little pong clone game

/*--------------------------------------------
   SpacePong Minigame - Roberto Prieto
   Copyright (C) 2001-2011 MegaStorm Systems
  --------------------------------------------
    
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.
    
    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    
    Roberto Prieto
    contact@megastormsystems.com
    http://www.megastormsystems.com

    Used software licenses, including the one for this game, are located
    at /licenses directory. Please, include them on your distributions.

 ------------------------------------------------------------------------
    SpacePong Minigame, a pong clone with 3 different game modes:
 
      - Auto demo mode
      - 1 player
      - 2 players (on the same computer)
      - 2D environment at 800x600
      - Graphics, sounds and musics using DPF

    Supported platforms:

      - Any Windows x86 or x86-64 version.
      - Any Linux x86 or x86-64 distribution.
      - MacOS X 10.x x86 or x86-64.

  
    Thanks to Worvast for the new in-game graphics.

    Changelog: Check history.txt
 
 ------------------------------------------------------------------------ */


// ---Defines---
#define PONG_VERSION "SpacePong v2.02"
#define GFX_RESOURCE "gfx.dpf"
#define MUS_RESOURCE "audio.dpf"
#define Y_POSITION_1  568
#define Y_POSITION_2   16
#define Y_SIZE_PADDER  16
#define X_SIZE_BALL    16
#define Y_SIZE_BALL    16
#define LEFT_BAR      151
#define RIGHT_BAR     648
#define UP_LIMIT       -8
#define DOWN_LIMIT    600
#define MAX_BALL_SPEED 2.0f

#define MODE_COMPUTER 0
#define MODE_1PLAYER  2
#define MODE_2PLAYER  4
#define MODE_2NET     8
#define GAME_TIME     0
#define GAME_GOAL     2
#define GAME_NORMAL   4

#define PADDER_ACEL     1.0f 
#define PADDER_MAXSPEED 8.0f 

#define PONG_ENTRY    0
#define PONG_LOOP     1
#define PONG_QUIT     2
#define PONG_ENDMATCH 3

// ---Structs---
struct _sBall
{
    float x,y;
    float sx,sy; // Specific speed per coordinate
    float speed; // Global speed (it is going up each padder hit)
    CRM32Pro_CSprite *spr;
} sBall;

struct _sPadder
{
    float x,y;
    float speed;
    short size,random;
    CRM32Pro_CSprite *spr;
} sPadder[2];

struct _sGameDat
{
    Uint32 iWinP1;
    Uint32 iWinP2;
    char iModo;
    char iTipo;
} sGameDat;

// ---Global vars---
SDL_Rect rRect;
SDL_Surface *sGameBg, *sRestoreBg[2];
SDL_Surface *sMenuBg, *sMenuTitle, *sMenuInfo;
CRM32Pro_CFont *fFont;
Uint32 iAux = 0;
Uint32 cCursor;
Uint32 bExitID, bPlayer1ID, bPlayer2ID;
Uint32 bTimeID, bGoalID, bNormalID, bAutoID, bID;
char sCad[10];

// ---Music and sound handles---
int music_menu;
int music_game;
int click, click2, thunder;
int p1, p2, pared, gol, end;

// ---Prototypes---
void LoadAudio();
void FreeAudio();
void LoadGraphics();
void FreeGraphics();
void RenderInGame(int bLogicUpdate);
void RenderInMenu(int bLogicUpdate);
void InitBall(int);
void AIPadder(int);
void PadderHitBall(int);
void GameLoop(void);
void DrawInterfaz(int);
void InfoEngine(int);

// ---Macros---
#define SET_SPEED(a,b)\
{ \
    if(b==1) sPadder[a].speed+=PADDER_ACEL; \
        else sPadder[a].speed-=PADDER_ACEL; \
        if(b==1) { if(sPadder[a].speed<0.0f) sPadder[a].speed+=PADDER_ACEL*2; } \
        else { if(sPadder[a].speed>0.0f) sPadder[a].speed-=PADDER_ACEL*2; } \
}