1 /***********************************************************
2 * Artsoft Retro-Game Library *
3 *----------------------------------------------------------*
4 * (c) 1994-2001 Artsoft Entertainment *
6 * Detmolder Strasse 189 *
9 * e-mail: info@artsoft.org *
10 *----------------------------------------------------------*
12 ***********************************************************/
20 #if defined(PLATFORM_MSDOS)
24 #if defined(TARGET_SDL)
26 #elif defined(TARGET_X11)
31 /* the additional 'b' is needed for Win32 to open files in binary mode */
32 #define MODE_READ "rb"
33 #define MODE_WRITE "wb"
34 #define MODE_APPEND "ab"
36 #define DEFAULT_DEPTH 0
38 #define FULLSCREEN_NOT_AVAILABLE FALSE
39 #define FULLSCREEN_AVAILABLE TRUE
41 /* default input keys */
42 #define DEFAULT_KEY_LEFT KSYM_Left
43 #define DEFAULT_KEY_RIGHT KSYM_Right
44 #define DEFAULT_KEY_UP KSYM_Up
45 #define DEFAULT_KEY_DOWN KSYM_Down
46 #define DEFAULT_KEY_SNAP KSYM_Shift_L
47 #define DEFAULT_KEY_BOMB KSYM_Shift_R
48 #define DEFAULT_KEY_OKAY KSYM_Return
49 #define DEFAULT_KEY_CANCEL KSYM_Escape
51 /* default shortcut keys */
52 #define DEFAULT_KEY_SAVE_GAME KSYM_F1
53 #define DEFAULT_KEY_LOAD_GAME KSYM_F2
54 #define DEFAULT_KEY_TOGGLE_PAUSE KSYM_space
56 /* values for move directions and special "button" keys */
57 #define MV_NO_MOVING 0
58 #define MV_LEFT (1 << 0)
59 #define MV_RIGHT (1 << 1)
60 #define MV_UP (1 << 2)
61 #define MV_DOWN (1 << 3)
62 #define KEY_BUTTON_1 (1 << 4)
63 #define KEY_BUTTON_2 (1 << 5)
64 #define KEY_MOTION (MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN)
65 #define KEY_BUTTON (KEY_BUTTON_1 | KEY_BUTTON_2)
66 #define KEY_ACTION (KEY_MOTION | KEY_BUTTON)
68 /* values for button status */
69 #define MB_NOT_PRESSED FALSE
70 #define MB_NOT_RELEASED TRUE
71 #define MB_RELEASED FALSE
72 #define MB_PRESSED TRUE
73 #define MB_MENU_CHOICE FALSE
74 #define MB_MENU_MARK TRUE
75 #define MB_MENU_INITIALIZE (-1)
76 #define MB_MENU_LEAVE (-2)
77 #define MB_LEFTBUTTON 1
78 #define MB_MIDDLEBUTTON 2
79 #define MB_RIGHTBUTTON 3
81 /* values for redraw_mask */
82 #define REDRAW_NONE (0)
83 #define REDRAW_ALL (1 << 0)
84 #define REDRAW_FIELD (1 << 1)
85 #define REDRAW_TILES (1 << 2)
86 #define REDRAW_DOOR_1 (1 << 3)
87 #define REDRAW_VIDEO_1 (1 << 4)
88 #define REDRAW_VIDEO_2 (1 << 5)
89 #define REDRAW_VIDEO_3 (1 << 6)
90 #define REDRAW_MICROLEVEL (1 << 7)
91 #define REDRAW_MICROLABEL (1 << 8)
92 #define REDRAW_FROM_BACKBUFFER (1 << 9)
93 #define REDRAW_DOOR_2 (REDRAW_VIDEO_1 | \
96 #define REDRAW_DOOR_3 (1 << 10)
97 #define REDRAW_DOORS (REDRAW_DOOR_1 | \
100 #define REDRAW_MAIN (REDRAW_FIELD | \
103 #define REDRAW_FPS (1 << 11)
104 #define REDRAWTILES_THRESHOLD (SCR_FIELDX * SCR_FIELDY / 2)
106 /* maximum number of parallel players supported by libgame functions */
107 #define MAX_PLAYERS 4
109 /* maximum allowed length of player name */
110 #define MAX_PLAYER_NAME_LEN 10
112 /* default name for empty highscore entry */
113 #define EMPTY_PLAYER_NAME "no name"
115 /* default name for unknown player names */
116 #define ANONYMOUS_NAME "anonymous"
118 /* default name for new levels */
119 #define NAMELESS_LEVEL_NAME "nameless level"
121 /* definitions for game sub-directories */
123 #define RO_GAME_DIR "."
127 #define RW_GAME_DIR "."
130 #define RO_BASE_PATH RO_GAME_DIR
131 #define RW_BASE_PATH RW_GAME_DIR
133 #define GRAPHICS_DIRECTORY "graphics"
134 #define SOUNDS_DIRECTORY "sounds"
135 #define MUSIC_DIRECTORY "music"
136 #define LEVELS_DIRECTORY "levels"
137 #define TAPES_DIRECTORY "tapes"
138 #define SCORES_DIRECTORY "scores"
140 #if !defined(PLATFORM_MSDOS)
141 #define GRAPHICS_SUBDIR "gfx_classic"
142 #define SOUNDS_SUBDIR "snd_classic"
143 #define MUSIC_SUBDIR "mus_classic"
145 #define GRAPHICS_SUBDIR "gfx_orig"
146 #define SOUNDS_SUBDIR "snd_orig"
147 #define MUSIC_SUBDIR "mus_orig"
150 /* areas in bitmap PIX_DOOR */
151 /* meaning in PIX_DB_DOOR: (3 PAGEs)
152 PAGEX1: 1. buffer for DOOR_1
153 PAGEX2: 2. buffer for DOOR_1
154 PAGEX3: buffer for animations
157 #define DOOR_GFX_PAGESIZE (gfx.dxsize)
158 #define DOOR_GFX_PAGEX1 (0 * DOOR_GFX_PAGESIZE)
159 #define DOOR_GFX_PAGEX2 (1 * DOOR_GFX_PAGESIZE)
160 #define DOOR_GFX_PAGEX3 (2 * DOOR_GFX_PAGESIZE)
161 #define DOOR_GFX_PAGEX4 (3 * DOOR_GFX_PAGESIZE)
162 #define DOOR_GFX_PAGEX5 (4 * DOOR_GFX_PAGESIZE)
163 #define DOOR_GFX_PAGEX6 (5 * DOOR_GFX_PAGESIZE)
164 #define DOOR_GFX_PAGEX7 (6 * DOOR_GFX_PAGESIZE)
165 #define DOOR_GFX_PAGEX8 (7 * DOOR_GFX_PAGESIZE)
166 #define DOOR_GFX_PAGEY1 (0)
167 #define DOOR_GFX_PAGEY2 (gfx.dysize)
169 /* functions for version handling */
170 #define VERSION_IDENT(x,y,z) ((x) * 10000 + (y) * 100 + (z))
171 #define VERSION_MAJOR(x) ((x) / 10000)
172 #define VERSION_MINOR(x) (((x) % 10000) / 100)
173 #define VERSION_PATCH(x) ((x) % 100)
175 /* functions for parent/child process identification */
176 #define IS_PARENT_PROCESS(pid) ((pid) > 0)
177 #define IS_CHILD_PROCESS(pid) ((pid) == 0)
180 /* type definitions */
181 typedef int (*EventFilter)(const Event *);
184 /* structure definitions */
188 char *command_basename;
189 char *userdata_directory;
195 char *x11_icon_filename;
196 char *x11_iconmask_filename;
197 char *msdos_pointer_filename;
200 char *filename_prefix; /* prefix to cut off from DOS filenames */
206 void (*exit_function)(int);
214 char *ro_base_directory;
215 char *rw_base_directory;
216 char *level_directory;
217 char *graphics_directory;
218 char *sounds_directory;
219 char *music_directory;
227 struct VideoSystemInfo
230 int width, height, depth;
231 boolean fullscreen_available;
232 boolean fullscreen_enabled;
235 struct AudioSystemInfo
237 boolean sound_available;
238 boolean loops_available;
239 boolean music_available;
241 boolean sound_enabled;
242 boolean sound_deactivated; /* for temporarily disabling sound */
251 int first_sound_channel;
258 int real_sx, real_sy;
259 int full_sxsize, full_sysize;
260 int scrollbuffer_width, scrollbuffer_height;
268 boolean draw_deactivation_mask;
274 int fd[MAX_PLAYERS]; /* file descriptor of player's joystick */
277 struct SetupJoystickInfo
279 char *device_name; /* device name of player's joystick */
281 int xleft, xmiddle, xright;
282 int yupper, ymiddle, ylower;
287 struct SetupKeyboardInfo
297 struct SetupInputInfo
299 boolean use_joystick;
300 struct SetupJoystickInfo joy;
301 struct SetupKeyboardInfo key;
304 struct SetupShortcutInfo
318 boolean sound_simple;
320 boolean double_buffering;
321 boolean direct_draw; /* !double_buffering (redundant!) */
322 boolean scroll_delay;
323 boolean soft_scrolling;
331 boolean ask_on_escape;
337 struct SetupShortcutInfo shortcut;
338 struct SetupInputInfo input[MAX_PLAYERS];
341 #define TREE_TYPE_GENERIC 0
342 #define TREE_TYPE_LEVEL_DIR 1
343 #define TREE_TYPE_GRAPHICS_DIR 2
344 #define TREE_TYPE_SOUNDS_DIR 3
345 #define TREE_TYPE_MUSIC_DIR 4
349 struct TreeInfo **node_top; /* topmost node in tree */
350 struct TreeInfo *node_parent; /* parent level directory info */
351 struct TreeInfo *node_group; /* level group sub-directory info */
352 struct TreeInfo *next; /* next level series structure node */
354 int cl_first; /* internal control field for setup screen */
355 int cl_cursor; /* internal control field for setup screen */
357 int type; /* type of tree content */
359 /* fields for "type == TREE_TYPE_LEVEL_DIR" */
361 char *filename; /* level series single directory name */
362 char *fullpath; /* complete path relative to level directory */
363 char *basepath; /* absolute base path of level directory */
364 char *name; /* level series name, as displayed on main screen */
365 char *name_short; /* optional short name for level selection screen */
366 char *name_sorting; /* optional sorting name for correct level sorting */
367 char *author; /* level series author name levels without author */
368 char *imported_from; /* optional comment for imported level series */
369 int levels; /* number of levels in level series */
370 int first_level; /* first level number (to allow start with 0 or 1) */
371 int last_level; /* last level number (automatically calculated) */
372 int sort_priority; /* sort levels by 'sort_priority' and then by name */
373 boolean level_group; /* directory contains more level series directories */
374 boolean parent_link; /* entry links back to parent directory */
375 boolean user_defined; /* user defined levels are stored in home directory */
376 boolean readonly; /* readonly levels can not be changed with editor */
377 int color; /* color to use on selection screen for this level */
378 char *class_desc; /* description of level series class */
379 int handicap_level; /* number of the lowest unsolved level */
382 typedef struct TreeInfo TreeInfo;
383 typedef struct TreeInfo LevelDirTree;
384 typedef struct TreeInfo GraphicsDirTree;
385 typedef struct TreeInfo SoundsDirTree;
386 typedef struct TreeInfo MusicDirTree;
390 GraphicsDirTree *gfx_first;
391 GraphicsDirTree *gfx_current;
392 SoundsDirTree *snd_first;
393 SoundsDirTree *snd_current;
394 MusicDirTree *mus_first;
395 MusicDirTree *mus_current;
397 char *graphics_set_current;
398 char *sounds_set_current;
399 char *music_set_current;
403 /* ========================================================================= */
404 /* exported variables */
405 /* ========================================================================= */
407 extern struct ProgramInfo program;
408 extern struct OptionInfo options;
409 extern struct VideoSystemInfo video;
410 extern struct AudioSystemInfo audio;
411 extern struct GfxInfo gfx;
412 extern struct ArtworkInfo artwork;
413 extern struct JoystickInfo joystick;
414 extern struct SetupInfo setup;
416 extern LevelDirTree *leveldir_first;
417 extern LevelDirTree *leveldir_current;
420 extern Display *display;
421 extern Visual *visual;
423 extern Colormap cmap;
425 extern DrawWindow *window;
426 extern DrawBuffer *backbuffer;
427 extern DrawBuffer *drawto;
429 extern int button_status;
430 extern boolean motion_status;
432 extern int redraw_mask;
433 extern int redraw_tiles;
435 extern int FrameCounter;
438 /* function definitions */
440 void InitCommandName(char *);
441 void InitExitFunction(void (*exit_function)(int));
442 void InitPlatformDependantStuff(void);
443 void ClosePlatformDependantStuff(void);
445 void InitProgramInfo(char *, char *, char *, char *, char *, char *, char *,
446 char *, char *, int);
448 void InitGfxFieldInfo(int, int, int, int, int, int, int, int);
449 void InitGfxDoor1Info(int, int, int, int);
450 void InitGfxDoor2Info(int, int, int, int);
451 void InitGfxScrollbufferInfo(int, int);
452 void SetDrawDeactivationMask(int );
454 inline void InitVideoDisplay(void);
455 inline void CloseVideoDisplay(void);
456 inline void InitVideoBuffer(DrawBuffer **,DrawWindow **, int,int,int, boolean);
457 inline Bitmap *CreateBitmapStruct(void);
458 inline Bitmap *CreateBitmap(int, int, int);
459 inline void FreeBitmap(Bitmap *);
460 inline void BlitBitmap(Bitmap *, Bitmap *, int, int, int, int, int, int);
461 inline void ClearRectangle(Bitmap *, int, int, int, int);
462 inline void SetClipMask(Bitmap *, GC, Pixmap);
463 inline void SetClipOrigin(Bitmap *, GC, int, int);
464 inline void BlitBitmapMasked(Bitmap *, Bitmap *, int, int, int, int, int, int);
465 inline void DrawSimpleWhiteLine(Bitmap *, int, int, int, int);
466 inline void DrawLines(Bitmap *, struct XY *, int, Pixel);
467 inline Pixel GetPixel(Bitmap *, int, int);
468 inline Pixel GetPixelFromRGB(Bitmap *, unsigned int,unsigned int,unsigned int);
469 inline Pixel GetPixelFromRGBcompact(Bitmap *, unsigned int);
471 inline void FlushDisplay(void);
472 inline void SyncDisplay(void);
473 inline void KeyboardAutoRepeatOn(void);
474 inline void KeyboardAutoRepeatOff(void);
475 inline boolean PointerInWindow(DrawWindow *);
476 inline boolean SetVideoMode(boolean);
477 inline boolean ChangeVideoModeIfNeeded(boolean);
479 Bitmap *LoadImage(char *);
480 Bitmap *LoadCustomImage(char *);
481 void ReloadCustomImage(Bitmap *, char *);
483 inline void OpenAudio(void);
484 inline void CloseAudio(void);
485 inline void SetAudioMode(boolean);
487 inline void InitEventFilter(EventFilter);
488 inline boolean PendingEvent(void);
489 inline void NextEvent(Event *event);
490 inline Key GetEventKey(KeyEvent *, boolean);
491 inline boolean CheckCloseWindowEvent(ClientMessageEvent *);
493 inline void InitJoysticks();
494 inline boolean ReadJoystick(int, int *, int *, boolean *, boolean *);
496 #endif /* SYSTEM_H */