1 /***********************************************************
2 * Artsoft Retro-Game Library *
3 *----------------------------------------------------------*
4 * (c) 1994-2002 Artsoft Entertainment *
6 * Detmolder Strasse 189 *
9 * e-mail: info@artsoft.org *
10 *----------------------------------------------------------*
12 ***********************************************************/
21 #if defined(PLATFORM_MACOSX)
23 #elif defined(PLATFORM_WIN32)
25 #elif defined(PLATFORM_MSDOS)
29 #if defined(TARGET_SDL)
31 #elif defined(TARGET_X11)
36 /* the additional 'b' is needed for Win32 to open files in binary mode */
37 #define MODE_READ "rb"
38 #define MODE_WRITE "wb"
39 #define MODE_APPEND "ab"
41 #define DEFAULT_DEPTH 0
45 #define BLIT_INVERSE 2
46 #define BLIT_ON_BACKGROUND 3
48 #define FULLSCREEN_NOT_AVAILABLE FALSE
49 #define FULLSCREEN_AVAILABLE TRUE
51 /* default input keys */
52 #define DEFAULT_KEY_LEFT KSYM_Left
53 #define DEFAULT_KEY_RIGHT KSYM_Right
54 #define DEFAULT_KEY_UP KSYM_Up
55 #define DEFAULT_KEY_DOWN KSYM_Down
56 #if defined(PLATFORM_MACOSX)
57 #define DEFAULT_KEY_SNAP KSYM_Control_L
58 #define DEFAULT_KEY_DROP KSYM_KP_Enter
60 #define DEFAULT_KEY_SNAP KSYM_Control_L
61 #define DEFAULT_KEY_DROP KSYM_Control_R
63 #define DEFAULT_KEY_OKAY KSYM_Return
64 #define DEFAULT_KEY_CANCEL KSYM_Escape
66 /* default shortcut keys */
67 #define DEFAULT_KEY_SAVE_GAME KSYM_F1
68 #define DEFAULT_KEY_LOAD_GAME KSYM_F2
69 #define DEFAULT_KEY_TOGGLE_PAUSE KSYM_space
71 /* values for key_status */
72 #define KEY_NOT_PRESSED FALSE
73 #define KEY_RELEASED FALSE
74 #define KEY_PRESSED TRUE
76 /* values for button status */
77 #define MB_NOT_PRESSED FALSE
78 #define MB_NOT_RELEASED TRUE
79 #define MB_RELEASED FALSE
80 #define MB_PRESSED TRUE
81 #define MB_MENU_CHOICE FALSE
82 #define MB_MENU_MARK TRUE
83 #define MB_MENU_INITIALIZE (-1)
84 #define MB_MENU_LEAVE (-2)
85 #define MB_LEFTBUTTON 1
86 #define MB_MIDDLEBUTTON 2
87 #define MB_RIGHTBUTTON 3
90 /* values for move directions */
92 #define MV_BIT_RIGHT 1
96 #define NUM_DIRECTIONS 4
98 /* values for special "button" bitmasks */
102 /* values for move direction and special "button" key bitmasks */
103 #define MV_NO_MOVING 0
104 #define MV_LEFT (1 << MV_BIT_LEFT)
105 #define MV_RIGHT (1 << MV_BIT_RIGHT)
106 #define MV_UP (1 << MV_BIT_UP)
107 #define MV_DOWN (1 << MV_BIT_DOWN)
109 #define KEY_BUTTON_1 (1 << BUTTON_1)
110 #define KEY_BUTTON_2 (1 << BUTTON_2)
111 #define KEY_MOTION (MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN)
112 #define KEY_BUTTON (KEY_BUTTON_1 | KEY_BUTTON_2)
113 #define KEY_ACTION (KEY_MOTION | KEY_BUTTON)
115 #define MV_DIR_BIT(x) ((x) == MV_LEFT ? MV_BIT_LEFT : \
116 (x) == MV_RIGHT ? MV_BIT_RIGHT : \
117 (x) == MV_UP ? MV_BIT_UP : MV_BIT_DOWN)
119 #define MV_DIR_OPPOSITE(x) ((x) == MV_LEFT ? MV_RIGHT : \
120 (x) == MV_RIGHT ? MV_LEFT : \
121 (x) == MV_UP ? MV_DOWN : \
122 (x) == MV_DOWN ? MV_UP : MV_NO_MOVING)
125 /* values for animation mode (frame order and direction) */
127 #define ANIM_LOOP (1 << 0)
128 #define ANIM_LINEAR (1 << 1)
129 #define ANIM_PINGPONG (1 << 2)
130 #define ANIM_PINGPONG2 (1 << 3)
131 #define ANIM_RANDOM (1 << 4)
132 #define ANIM_REVERSE (1 << 5)
134 /* values for special (non game element) animation modes */
135 #define ANIM_HORIZONTAL (1 << 6)
136 #define ANIM_VERTICAL (1 << 7)
138 #define ANIM_DEFAULT ANIM_LOOP
140 /* values for redraw_mask */
141 #define REDRAW_NONE (0)
142 #define REDRAW_ALL (1 << 0)
143 #define REDRAW_FIELD (1 << 1)
144 #define REDRAW_TILES (1 << 2)
145 #define REDRAW_DOOR_1 (1 << 3)
146 #define REDRAW_VIDEO_1 (1 << 4)
147 #define REDRAW_VIDEO_2 (1 << 5)
148 #define REDRAW_VIDEO_3 (1 << 6)
149 #define REDRAW_MICROLEVEL (1 << 7)
150 #define REDRAW_MICROLABEL (1 << 8)
151 #define REDRAW_FROM_BACKBUFFER (1 << 9)
152 #define REDRAW_DOOR_2 (REDRAW_VIDEO_1 | \
155 #define REDRAW_DOOR_3 (1 << 10)
156 #define REDRAW_DOORS (REDRAW_DOOR_1 | \
159 #define REDRAW_MAIN (REDRAW_FIELD | \
162 #define REDRAW_FPS (1 << 11)
163 #define REDRAWTILES_THRESHOLD (SCR_FIELDX * SCR_FIELDY / 2)
165 #define IN_GFX_SCREEN(x, y) (x >= gfx.sx && x < gfx.sx + gfx.sxsize && \
166 y >= gfx.sy && y < gfx.sy + gfx.sysize)
167 #define IN_GFX_DOOR(x, y) (x >= gfx.dx && x < gfx.dx + gfx.dxsize && \
168 y >= gfx.dy && y < gfx.dy + gfx.dysize)
169 #define IN_GFX_VIDEO(x, y) (x >= gfx.vx && x < gfx.vx + gfx.vxsize && \
170 y >= gfx.vy && y < gfx.vy + gfx.vysize)
172 /* values for mouse cursor */
173 #define CURSOR_DEFAULT 0
174 #define CURSOR_PLAYFIELD 1
177 /* maximum number of parallel players supported by libgame functions */
178 #define MAX_PLAYERS 4
180 /* maximum allowed length of player name */
181 #define MAX_PLAYER_NAME_LEN 10
183 /* default name for empty highscore entry */
184 #define EMPTY_PLAYER_NAME "no name"
186 /* default name for unknown player names */
187 #define ANONYMOUS_NAME "anonymous"
189 /* default for other unknown names */
190 #define UNKNOWN_NAME "unknown"
192 /* default name for new levels */
193 #define NAMELESS_LEVEL_NAME "nameless level"
195 /* default text for non-existant artwork */
196 #define NOT_AVAILABLE "(not available)"
198 /* default value for undefined filename */
199 #define UNDEFINED_FILENAME "[NONE]"
201 /* default value for undefined parameter */
202 #define ARG_DEFAULT "[DEFAULT]"
204 /* default values for undefined configuration file parameters */
205 #define ARG_UNDEFINED "-1000000"
206 #define ARG_UNDEFINED_VALUE (atoi(ARG_UNDEFINED))
208 /* definitions for game sub-directories */
210 #define RO_GAME_DIR "."
214 #define RW_GAME_DIR "."
217 #define RO_BASE_PATH RO_GAME_DIR
218 #define RW_BASE_PATH RW_GAME_DIR
220 /* directory names */
221 #define GRAPHICS_DIRECTORY "graphics"
222 #define SOUNDS_DIRECTORY "sounds"
223 #define MUSIC_DIRECTORY "music"
224 #define LEVELS_DIRECTORY "levels"
225 #define TAPES_DIRECTORY "tapes"
226 #define SCORES_DIRECTORY "scores"
227 #define DOCS_DIRECTORY "docs"
229 #if !defined(PLATFORM_MSDOS)
230 #define GFX_CLASSIC_SUBDIR "gfx_classic"
231 #define SND_CLASSIC_SUBDIR "snd_classic"
232 #define MUS_CLASSIC_SUBDIR "mus_classic"
234 #define GFX_CLASSIC_SUBDIR "gfx_orig"
235 #define SND_CLASSIC_SUBDIR "snd_orig"
236 #define MUS_CLASSIC_SUBDIR "mus_orig"
239 /* file names and filename extensions */
240 #if !defined(PLATFORM_MSDOS)
241 #define LEVELSETUP_DIRECTORY "levelsetup"
242 #define SETUP_FILENAME "setup.conf"
243 #define LEVELSETUP_FILENAME "levelsetup.conf"
244 #define EDITORSETUP_FILENAME "editorsetup.conf"
245 #define HELPANIM_FILENAME "helpanim.conf"
246 #define HELPTEXT_FILENAME "helptext.conf"
247 #define LEVELINFO_FILENAME "levelinfo.conf"
248 #define GRAPHICSINFO_FILENAME "graphicsinfo.conf"
249 #define SOUNDSINFO_FILENAME "soundsinfo.conf"
250 #define MUSICINFO_FILENAME "musicinfo.conf"
251 #define LEVELFILE_EXTENSION "level"
252 #define TAPEFILE_EXTENSION "tape"
253 #define SCOREFILE_EXTENSION "score"
255 #define LEVELSETUP_DIRECTORY "lvlsetup"
256 #define SETUP_FILENAME "setup.cnf"
257 #define LEVELSETUP_FILENAME "lvlsetup.cnf"
258 #define EDITORSETUP_FILENAME "edsetup.cnf"
259 #define HELPANIM_FILENAME "helpanim.cnf"
260 #define HELPTEXT_FILENAME "helptext.cnf"
261 #define LEVELINFO_FILENAME "lvlinfo.cnf"
262 #define GRAPHICSINFO_FILENAME "gfxinfo.cnf"
263 #define SOUNDSINFO_FILENAME "sndinfo.cnf"
264 #define MUSICINFO_FILENAME "musinfo.cnf"
265 #define LEVELFILE_EXTENSION "lvl"
266 #define TAPEFILE_EXTENSION "tap"
267 #define SCOREFILE_EXTENSION "sco"
271 /* areas in bitmap PIX_DOOR */
272 /* meaning in PIX_DB_DOOR: (3 PAGEs)
273 PAGEX1: 1. buffer for DOOR_1
274 PAGEX2: 2. buffer for DOOR_1
275 PAGEX3: buffer for animations
278 /* these values are hard-coded to be able to use them in initialization */
279 #define DOOR_GFX_PAGE_WIDTH 100 /* should be set to "gfx.dxsize" */
280 #define DOOR_GFX_PAGE_HEIGHT 280 /* should be set to "gfx.dysize" */
282 #define DOOR_GFX_PAGESIZE (DOOR_GFX_PAGE_WIDTH)
283 #define DOOR_GFX_PAGEX1 (0 * DOOR_GFX_PAGESIZE)
284 #define DOOR_GFX_PAGEX2 (1 * DOOR_GFX_PAGESIZE)
285 #define DOOR_GFX_PAGEX3 (2 * DOOR_GFX_PAGESIZE)
286 #define DOOR_GFX_PAGEX4 (3 * DOOR_GFX_PAGESIZE)
287 #define DOOR_GFX_PAGEX5 (4 * DOOR_GFX_PAGESIZE)
288 #define DOOR_GFX_PAGEX6 (5 * DOOR_GFX_PAGESIZE)
289 #define DOOR_GFX_PAGEX7 (6 * DOOR_GFX_PAGESIZE)
290 #define DOOR_GFX_PAGEX8 (7 * DOOR_GFX_PAGESIZE)
291 #define DOOR_GFX_PAGEY1 (0)
292 #define DOOR_GFX_PAGEY2 (DOOR_GFX_PAGE_HEIGHT)
295 /* macros for version handling */
296 #define VERSION_MAJOR(x) ((x) / 1000000)
297 #define VERSION_MINOR(x) (((x) % 1000000) / 10000)
298 #define VERSION_PATCH(x) (((x) % 10000) / 100)
299 #define VERSION_BUILD(x) ((x) % 100)
300 #define VERSION_IDENT(a,b,c,d) ((a) * 1000000 + (b) * 10000 + (c) * 100 + (d))
303 /* macros for parent/child process identification */
304 #if defined(PLATFORM_UNIX)
305 #define IS_PARENT_PROCESS() (audio.mixer_pid != getpid())
306 #define IS_CHILD_PROCESS() (audio.mixer_pid == getpid())
307 #define HAS_CHILD_PROCESS() (audio.mixer_pid > 0)
309 #define IS_PARENT_PROCESS() TRUE
310 #define IS_CHILD_PROCESS() FALSE
311 #define HAS_CHILD_PROCESS() FALSE
315 /* values for artwork type */
316 #define ARTWORK_TYPE_GRAPHICS 0
317 #define ARTWORK_TYPE_SOUNDS 1
318 #define ARTWORK_TYPE_MUSIC 2
320 #define NUM_ARTWORK_TYPES 3
323 /* values for tree type (chosen to match artwork type) */
324 #define TREE_TYPE_UNDEFINED -1
325 #define TREE_TYPE_GRAPHICS_DIR ARTWORK_TYPE_GRAPHICS
326 #define TREE_TYPE_SOUNDS_DIR ARTWORK_TYPE_SOUNDS
327 #define TREE_TYPE_MUSIC_DIR ARTWORK_TYPE_MUSIC
328 #define TREE_TYPE_LEVEL_DIR 3
330 #define NUM_TREE_TYPES 4
333 /* values for artwork handling */
334 #define LEVELDIR_ARTWORK_SET(leveldir, type) \
335 ((type) == ARTWORK_TYPE_GRAPHICS ? \
336 (leveldir)->graphics_set : \
337 (type) == ARTWORK_TYPE_SOUNDS ? \
338 (leveldir)->sounds_set : \
339 (leveldir)->music_set)
341 #define LEVELDIR_ARTWORK_PATH(leveldir, type) \
342 ((type) == ARTWORK_TYPE_GRAPHICS ? \
343 (leveldir)->graphics_path : \
344 (type) == ARTWORK_TYPE_SOUNDS ? \
345 (leveldir)->sounds_path : \
346 (leveldir)->music_path)
348 #define SETUP_ARTWORK_SET(setup, type) \
349 ((type) == ARTWORK_TYPE_GRAPHICS ? \
350 (setup).graphics_set : \
351 (type) == ARTWORK_TYPE_SOUNDS ? \
352 (setup).sounds_set : \
355 #define SETUP_OVERRIDE_ARTWORK(setup, type) \
356 ((type) == ARTWORK_TYPE_GRAPHICS ? \
357 (setup).override_level_graphics : \
358 (type) == ARTWORK_TYPE_SOUNDS ? \
359 (setup).override_level_sounds : \
360 (setup).override_level_music)
362 #define ARTWORK_FIRST_NODE(artwork, type) \
363 ((type) == ARTWORK_TYPE_GRAPHICS ? \
364 (artwork).gfx_first : \
365 (type) == ARTWORK_TYPE_SOUNDS ? \
366 (artwork).snd_first : \
369 #define ARTWORK_CURRENT_IDENTIFIER(artwork, type) \
370 ((type) == ARTWORK_TYPE_GRAPHICS ? \
371 (artwork).gfx_current_identifier : \
372 (type) == ARTWORK_TYPE_SOUNDS ? \
373 (artwork).snd_current_identifier : \
374 (artwork).mus_current_identifier)
376 #define ARTWORKINFO_FILENAME(type) \
377 ((type) == ARTWORK_TYPE_GRAPHICS ? \
378 GRAPHICSINFO_FILENAME : \
379 (type) == ARTWORK_TYPE_SOUNDS ? \
380 SOUNDSINFO_FILENAME : \
381 (type) == ARTWORK_TYPE_MUSIC ? \
382 MUSICINFO_FILENAME : "")
384 #define ARTWORK_DIRECTORY(type) \
385 ((type) == ARTWORK_TYPE_GRAPHICS ? \
386 GRAPHICS_DIRECTORY : \
387 (type) == ARTWORK_TYPE_SOUNDS ? \
389 (type) == ARTWORK_TYPE_MUSIC ? \
390 MUSIC_DIRECTORY : "")
392 #define OPTIONS_ARTWORK_DIRECTORY(type) \
393 ((type) == ARTWORK_TYPE_GRAPHICS ? \
394 options.graphics_directory : \
395 (type) == ARTWORK_TYPE_SOUNDS ? \
396 options.sounds_directory : \
397 (type) == ARTWORK_TYPE_MUSIC ? \
398 options.music_directory : "")
401 /* type definitions */
402 typedef int (*EventFilter)(const Event *);
405 /* structure definitions */
409 char *command_basename;
410 char *userdata_directory;
416 char *x11_icon_filename;
417 char *x11_iconmask_filename;
418 char *msdos_cursor_filename;
421 char *filename_prefix; /* prefix to cut off from DOS filenames */
427 void (*exit_function)(int);
436 char *ro_base_directory;
437 char *rw_base_directory;
438 char *level_directory;
439 char *graphics_directory;
440 char *sounds_directory;
441 char *music_directory;
442 char *docs_directory;
443 char *execute_command;
451 struct VideoSystemInfo
454 int width, height, depth;
455 boolean fullscreen_available;
456 boolean fullscreen_enabled;
459 struct AudioSystemInfo
461 boolean sound_available;
462 boolean loops_available;
463 boolean music_available;
465 boolean sound_enabled;
466 boolean sound_deactivated; /* for temporarily disabling sound */
475 int first_sound_channel;
478 struct FontBitmapInfo
481 int src_x, src_y; /* start position of animation frames */
482 int width, height; /* width/height of each animation frame */
483 int draw_x, draw_y; /* offset for drawing font characters */
485 int num_chars_per_line;
487 #if defined(TARGET_X11_NATIVE_PERFORMANCE_WORKAROUND)
488 Pixmap *clip_mask; /* single-char-only clip mask array for X11 */
496 int real_sx, real_sy;
497 int full_sxsize, full_sysize;
498 int scrollbuffer_width, scrollbuffer_height;
506 int draw_deactivation_mask;
507 int draw_background_mask;
509 Bitmap *field_save_buffer;
511 Bitmap *background_bitmap;
512 int background_bitmap_mask;
515 struct FontBitmapInfo *font_bitmap_info;
516 int (*select_font_function)(int);
518 int anim_random_frame;
524 int fd[MAX_PLAYERS]; /* file descriptor of player's joystick */
527 struct SetupJoystickInfo
529 char *device_name; /* device name of player's joystick */
531 int xleft, xmiddle, xright;
532 int yupper, ymiddle, ylower;
536 struct SetupKeyboardInfo
538 Key left, right, up, down;
542 struct SetupInputInfo
544 boolean use_joystick;
545 struct SetupJoystickInfo joy;
546 struct SetupKeyboardInfo key;
549 struct SetupEditorInfo
551 boolean el_boulderdash;
552 boolean el_emerald_mine;
556 boolean el_diamond_caves;
557 boolean el_dx_boulderdash;
560 boolean el_custom_more;
561 boolean el_user_defined;
563 boolean el_headlines;
566 struct SetupShortcutInfo
573 struct SetupSystemInfo
575 char *sdl_audiodriver;
576 int audio_fragment_size;
586 boolean sound_simple;
588 boolean double_buffering;
589 boolean direct_draw; /* !double_buffering (redundant!) */
590 boolean scroll_delay;
591 boolean soft_scrolling;
599 boolean ask_on_escape;
604 boolean override_level_graphics;
605 boolean override_level_sounds;
606 boolean override_level_music;
608 struct SetupEditorInfo editor;
609 struct SetupShortcutInfo shortcut;
610 struct SetupInputInfo input[MAX_PLAYERS];
611 struct SetupSystemInfo system;
612 struct OptionInfo options;
617 struct TreeInfo **node_top; /* topmost node in tree */
618 struct TreeInfo *node_parent; /* parent level directory info */
619 struct TreeInfo *node_group; /* level group sub-directory info */
620 struct TreeInfo *next; /* next level series structure node */
622 int cl_first; /* internal control field for setup screen */
623 int cl_cursor; /* internal control field for setup screen */
625 int type; /* type of tree content */
627 /* fields for "type == TREE_TYPE_LEVEL_DIR" */
629 char *subdir; /* tree info sub-directory basename (may be ".") */
630 char *fullpath; /* complete path relative to tree base directory */
631 char *basepath; /* absolute base path of tree base directory */
632 char *identifier; /* identifier string for configuration files */
633 char *name; /* tree info name, as displayed in selection menues */
634 char *name_sorting; /* optional sorting name for correct name sorting */
635 char *author; /* level or artwork author name */
636 char *imported_from; /* optional comment for imported levels or artwork */
638 char *graphics_set; /* optional custom graphics set (level tree only) */
639 char *sounds_set; /* optional custom sounds set (level tree only) */
640 char *music_set; /* optional custom music set (level tree only) */
641 char *graphics_path; /* path to optional custom graphics set (level only) */
642 char *sounds_path; /* path to optional custom sounds set (level only) */
643 char *music_path; /* path to optional custom music set (level only) */
645 char *level_filename; /* filename of level file (for packed level file) */
646 char *level_filetype; /* type of levels in level directory or level file */
648 int levels; /* number of levels in level series */
649 int first_level; /* first level number (to allow start with 0 or 1) */
650 int last_level; /* last level number (automatically calculated) */
651 int sort_priority; /* sort levels by 'sort_priority' and then by name */
653 boolean latest_engine;/* force level set to use the latest game engine */
655 boolean level_group; /* directory contains more level series directories */
656 boolean parent_link; /* entry links back to parent directory */
657 boolean user_defined; /* user defined levels are stored in home directory */
658 boolean readonly; /* readonly levels can not be changed with editor */
659 boolean handicap; /* level set has no handicap when set to "false" */
661 int color; /* color to use on selection screen for this level */
662 char *class_desc; /* description of level series class */
663 int handicap_level; /* number of the lowest unsolved level */
666 typedef struct TreeInfo TreeInfo;
667 typedef struct TreeInfo LevelDirTree;
668 typedef struct TreeInfo ArtworkDirTree;
669 typedef struct TreeInfo GraphicsDirTree;
670 typedef struct TreeInfo SoundsDirTree;
671 typedef struct TreeInfo MusicDirTree;
675 GraphicsDirTree *gfx_first;
676 GraphicsDirTree *gfx_current;
677 SoundsDirTree *snd_first;
678 SoundsDirTree *snd_current;
679 MusicDirTree *mus_first;
680 MusicDirTree *mus_current;
682 char *gfx_current_identifier;
683 char *snd_current_identifier;
684 char *mus_current_identifier;
700 struct TokenIntPtrInfo
710 char *default_filename;
713 char **default_parameter; /* array of file parameters */
714 char **parameter; /* array of file parameters */
724 struct SetupFileList *next;
729 char *source_filename; /* primary key for node list */
733 struct PropertyMapping
743 struct ArtworkListInfo
745 int type; /* type of artwork */
747 int num_file_list_entries;
748 int num_dynamic_file_list_entries;
749 struct FileInfo *file_list; /* static artwork file array */
750 struct FileInfo *dynamic_file_list; /* dynamic artwrk file array */
752 int num_suffix_list_entries;
753 struct ConfigInfo *suffix_list; /* parameter suffixes array */
755 int num_base_prefixes;
756 int num_ext1_suffixes;
757 int num_ext2_suffixes;
758 int num_ext3_suffixes;
759 char **base_prefixes; /* base token prefixes array */
760 char **ext1_suffixes; /* property suffixes array 1 */
761 char **ext2_suffixes; /* property suffixes array 2 */
762 char **ext3_suffixes; /* property suffixes array 3 */
764 int num_ignore_tokens;
765 char **ignore_tokens; /* file tokens to be ignored */
767 int num_property_mapping_entries;
768 struct PropertyMapping *property_mapping; /* mapping token -> artwork */
770 int sizeof_artwork_list_entry;
772 struct ListNodeInfo **artwork_list; /* static artwork node array */
773 struct ListNodeInfo **dynamic_artwork_list; /* dynamic artwrk node array */
774 struct ListNode *content_list; /* dynamic artwork node list */
776 void *(*load_artwork)(char *); /* constructor function */
777 void (*free_artwork)(void *); /* destructor function */
781 /* ========================================================================= */
782 /* exported variables */
783 /* ========================================================================= */
785 extern struct ProgramInfo program;
786 extern struct OptionInfo options;
787 extern struct VideoSystemInfo video;
788 extern struct AudioSystemInfo audio;
789 extern struct GfxInfo gfx;
790 extern struct AnimInfo anim;
791 extern struct ArtworkInfo artwork;
792 extern struct JoystickInfo joystick;
793 extern struct SetupInfo setup;
795 extern LevelDirTree *leveldir_first;
796 extern LevelDirTree *leveldir_current;
799 extern Display *display;
800 extern Visual *visual;
802 extern Colormap cmap;
804 extern DrawWindow *window;
805 extern DrawBuffer *backbuffer;
806 extern DrawBuffer *drawto;
808 extern int button_status;
809 extern boolean motion_status;
811 extern int redraw_mask;
812 extern int redraw_tiles;
814 extern int FrameCounter;
817 /* function definitions */
819 void InitProgramInfo(char *, char *, char *, char *, char *, char *, char *,
820 char *, char *, char *, int);
822 void InitExitFunction(void (*exit_function)(int));
823 void InitPlatformDependentStuff(void);
824 void ClosePlatformDependentStuff(void);
826 void InitGfxFieldInfo(int, int, int, int, int, int, int, int, Bitmap *);
827 void InitGfxDoor1Info(int, int, int, int);
828 void InitGfxDoor2Info(int, int, int, int);
829 void InitGfxScrollbufferInfo(int, int);
830 void SetDrawDeactivationMask(int);
831 void SetDrawBackgroundMask(int);
832 void SetMainBackgroundBitmap(Bitmap *);
833 void SetDoorBackgroundBitmap(Bitmap *);
835 inline void InitVideoDisplay(void);
836 inline void CloseVideoDisplay(void);
837 inline void InitVideoBuffer(DrawBuffer **,DrawWindow **, int,int,int, boolean);
838 inline Bitmap *CreateBitmapStruct(void);
839 inline Bitmap *CreateBitmap(int, int, int);
840 inline void FreeBitmap(Bitmap *);
841 inline void BlitBitmap(Bitmap *, Bitmap *, int, int, int, int, int, int);
842 inline void FillRectangle(Bitmap *, int, int, int, int, Pixel);
843 inline void ClearRectangle(Bitmap *, int, int, int, int);
844 inline void ClearRectangleOnBackground(Bitmap *, int, int, int, int);
845 inline void SetClipMask(Bitmap *, GC, Pixmap);
846 inline void SetClipOrigin(Bitmap *, GC, int, int);
847 inline void BlitBitmapMasked(Bitmap *, Bitmap *, int, int, int, int, int, int);
848 inline boolean DrawingOnBackground(int, int);
849 inline void BlitBitmapOnBackground(Bitmap *, Bitmap *, int, int, int, int, int,
851 inline void DrawSimpleWhiteLine(Bitmap *, int, int, int, int);
852 inline void DrawLines(Bitmap *, struct XY *, int, Pixel);
853 inline Pixel GetPixel(Bitmap *, int, int);
854 inline Pixel GetPixelFromRGB(Bitmap *, unsigned int,unsigned int,unsigned int);
855 inline Pixel GetPixelFromRGBcompact(Bitmap *, unsigned int);
857 inline void FlushDisplay(void);
858 inline void SyncDisplay(void);
859 inline void KeyboardAutoRepeatOn(void);
860 inline void KeyboardAutoRepeatOff(void);
861 inline boolean PointerInWindow(DrawWindow *);
862 inline boolean SetVideoMode(boolean);
863 inline boolean ChangeVideoModeIfNeeded(boolean);
865 Bitmap *LoadImage(char *);
866 Bitmap *LoadCustomImage(char *);
867 void ReloadCustomImage(Bitmap *, char *);
869 Bitmap *ZoomBitmap(Bitmap *, int, int);
870 void CreateBitmapWithSmallBitmaps(Bitmap *);
872 void SetMouseCursor(int);
874 inline void OpenAudio(void);
875 inline void CloseAudio(void);
876 inline void SetAudioMode(boolean);
878 inline void InitEventFilter(EventFilter);
879 inline boolean PendingEvent(void);
880 inline void NextEvent(Event *event);
881 inline Key GetEventKey(KeyEvent *, boolean);
882 inline KeyMod HandleKeyModState(Key, int);
883 inline KeyMod GetKeyModState();
884 inline boolean CheckCloseWindowEvent(ClientMessageEvent *);
886 inline void InitJoysticks();
887 inline boolean ReadJoystick(int, int *, int *, boolean *, boolean *);
889 #endif /* SYSTEM_H */