Super Tux - Game Loop!
- by Bill Kendrick
+ by Bill Kendrick & Tobias Glaesser <tobi.web@gmx.de>
bill@newbreedsoftware.com
http://www.newbreedsoftware.com/supertux/
- April 11, 2000 - December 28, 2003
+ April 11, 2000 - March 15, 2004
*/
-#if !defined( SUPERTUX_GAMELOOP_H )
-#define SUPERTUX_GAMELOOP_H 1
+#ifndef SUPERTUX_GAMELOOP_H
+#define SUPERTUX_GAMELOOP_H
- #include "sound.h"
+#include "sound.h"
+#include "type.h"
+#include "level.h"
+#include "world.h"
- /* Direction (keyboard/joystick) states: */
+/* GameLoop modes */
- #define UP 0
- #define DOWN 1
+#define ST_GL_PLAY 0
+#define ST_GL_TEST 1
+#define ST_GL_LOAD_GAME 2
+#define ST_GL_LOAD_LEVEL_FILE 3
+extern int game_started;
- /* Directions: */
+class World;
- #define LEFT 0
- #define RIGHT 1
+/** The GameSession class controlls the controll flow of a World, ie.
+ present the menu on specifc keypresses, render and update it while
+ keeping the speed and framerate sane, etc. */
+class GameSession
+{
+ private:
+ bool quit;
+ Timer fps_timer;
+ Timer frame_timer;
+ World* world;
+ int st_gl_mode;
+ float fps_fps;
+ unsigned int last_update_time;
+ unsigned int update_time;
+ int pause_menu_frame;
+ int debug_fps;
+ bool game_pause;
- /* Sizes: */
+ // FIXME: Hack for restarting the level
+ std::string subset;
+ int levelnb;
- #define SMALL 0
- #define BIG 1
+ public:
+ Timer time_left;
+ GameSession();
+ GameSession(const std::string& filename);
+ GameSession(const std::string& subset, int levelnb, int mode);
+ ~GameSession();
- /* Bounciness of distros: */
+ /** Enter the busy loop */
+ int run();
- #define NO_BOUNCE 0
- #define BOUNCE 1
+ void draw();
+ int action(double frame_ratio);
+ Level* get_level() { return world->get_level(); }
+ World* get_world() { return world; }
- /* One-ups... */
+ void savegame(int slot);
+ void loadgame(int slot);
- #define DISTROS_LIFEUP 100
+ static GameSession* current() { return current_; }
+ private:
+ static GameSession* current_;
+ void init();
- /* When to alert player they're low on time! */
+ void start_timers();
+ void process_events();
- #define TIME_WARNING 50
+ void levelintro();
+ void drawstatus();
+ void drawendscreen();
+ void drawresultscreen(void);
+};
+std::string slotinfo(int slot);
- /* Dying types: */
+bool rectcollision(base_type* one, base_type* two);
+void bumpbrick(float x, float y);
- /* ---- NO 0 */
- #define SQUISHED 1
- #define FALLING 2
-
-
- /* Enemy modes: */
-
- #define NORMAL 0
- #define FLAT 1
- #define KICK 2
-
-
- /* Hurt modes: */
-
- #define KILL 0
- #define SHRINK 1
-
-
- /* Upgrade types: */
-
- enum {
- UPGRADE_MINTS,
- UPGRADE_COFFEE,
- UPGRADE_HERRING
- };
-
-
- /* Bad guy kinds: */
-
- enum {
- BAD_BSOD,
- BAD_LAPTOP,
- BAD_MONEY
- };
-
-
- /* Speed constraints: */
-
- #define MAX_WALK_XM 16
- #define MAX_RUN_XM 24
- #define MAX_YM 24
- #define MAX_JUMP_COUNT 3
- #define MAX_LIVES 4
-
- #define WALK_SPEED 2
- #define RUN_SPEED 4
- #define JUMP_SPEED 8
- #define BULLET_STARTING_YM 8
- #define BULLET_XM 16
-
- #define GRAVITY 2
- #define YM_FOR_JUMP 40
- #define KILL_BOUNCE_YM 8
-
- #define SKID_XM 8
- #define SKID_TIME 8
-
-
- #define BOUNCY_BRICK_MAX_OFFSET 8
- #define BOUNCY_BRICK_SPEED 4
-
-
- /* Times: */
-
- #define TUX_SAFE_TIME 16
- #define TUX_INVINCIBLE_TIME 200
-
- /* Size constraints: */
-
- #define OFFSCREEN_DISTANCE 256
-
- #define LEVEL_WIDTH 375
-
-
- /* Array sizes: */
-
- #define NUM_BOUNCY_DISTROS 8
- #define NUM_BROKEN_BRICKS 32
- #define NUM_BOUNCY_BRICKS 4
- #define NUM_BAD_GUYS 128
- #define NUM_FLOATING_SCORES 6
- #define NUM_UPGRADES 2
- #define NUM_BULLETS 3
-
-
- /* Scores: */
-
- #define SCORE_BRICK 5
- #define SCORE_DISTRO 25
-
- /* Function prototypes: */
-
- int gameloop(void);
-
-#endif
+#endif /*SUPERTUX_GAMELOOP_H*/