include/gkernel.h

   1 // -----------------------------------------------
   2 // gkernel.h
   3 // -----------------------------------------------
   4 // Game main loop and kernel
   5 // -----------------------------------------------
   6 // By Kronoman - July 2003
   7 // Updated to C++ class in January 2004
   8 // In loving memory of my father
   9 // -----------------------------------------------
  10 #ifndef GKERNEL_H
  11 #define GKERNEL_H
  12
  13 #include <allegro.h>
  14 #include "cball.h" // player ball
  15 #include "tmap.h" // tile map
  16 #include "cwdata.h" // datafile handler
  17 #include "partmang.h" // particle manager
  18 #include "backgbmp.h" // background manager
  19 #include "mytracer.h" // this shit keeps crashing, I need to debug it... dammit!
  20 #include "sound.h" // amazing sound system :o
  21 #include "stats.h" // game statistics
  22 #include "musiclvl.h" // music
  23
  24 // timer update ratio, in BPS
  25 #define GKERNEL_FPSQ 30
  26
  27 // special flag for when the user aborts the game with ESC
  28 #define GKERNEL_USER_FINISHED_GAME -666
  29
  30
  31 // This class has the game kernel.
  32 class CGameKernel
  33 {
  34         public:
  35                 CGameKernel();
  36                 ~CGameKernel();
  37
  38                 // this are the prefered method to start and play a game session
  39                 int play_a_single_level(char *level_filename);
  40                 void play_a_full_campaign(char *level_filename);
  41
  42                 // from here, stuff is almost internal only, because they are pretty 'low level'; altough may come handy
  43                 void init(); // initializes game (sets timers, loads data, etc)
  44                 void shutdown(); // shuts down game (unsets timers, unloads data, etc)
  45
  46                 int game_loop();  // this is the main game loop; will return CBALL_IS_DEAD, or CBALL_EXIT_LEVEL (dead, or won level)
  47                 int update_logic(); // this updates 1 logic update of game ; will return CBALL_IS_DEAD, CBALL_IS_FINE, or CBALL_EXIT_LEVEL
  48
  49                 void update_screen(); // this updates the screen
  50
  51                 void load_level_file(const char *file); // loads a level from a file, and sets the game ready to play on that level -- *MUST* BE CALLED BEFORE STARTING THE GAME LOOP!
  52
  53                 BITMAP *tile_bmp_to_screen_size(BITMAP *bmp); // tiles a bitmap to screen size, basically its purpose is to tile the level's background
  54
  55                 CBall player_ball; // ball of the player, I need to touch this from 'outside' ; basically, set the live ammount before each game
  56
  57                 CGameStats stats; // game statistics, I may need to touch them from 'outside'
  58
  59         private:
  60
  61                 bool game_over; // game over?
  62                 CTMap game_map; // tile map loaded (with his own tile set)
  63                 CParticleManager particle_manager; // particle manager
  64                 CWDatafile main_data_file; // DATAFILE loaded
  65
  66                 BITMAP *dbuffer; // doble buffer
  67                 BITMAP *backdropbmp; // background bitmap for current level
  68                 CBackground background_loader; // loader system for level's background from datafile
  69
  70
  71                 FONT *game_time_font; // font for showing time left on game
  72                 FONT *game_score_font; // font for showing score on game
  73                 FONT *game_messages_font; // font for showing messages on game
  74
  75                 CSoundWrapper soundw; // sound system
  76                 CMusicLvl music_loader; // loader system for music from datafile
  77
  78
  79                 // current level file name (so we can reload it when player loses, etc)
  80                 char current_level_file_name[1024];
  81
  82                 // for all the class data
  83                 static int timer_installed_count; // how many times we installed the timer; when this is 0, remove/install timers
  84
  85                 // debug tracer
  86                 CMyTracer mtracer; // my tracer to debug this crap
  87 };
  88
  89 #endif
  90