1 // ============================================================================
2 // Artsoft Retro-Game Library
3 // ----------------------------------------------------------------------------
4 // (c) 1995-2014 by Artsoft Entertainment
7 // http://www.artsoft.org/
8 // ----------------------------------------------------------------------------
10 // ============================================================================
16 #include <SDL_image.h>
17 #include <SDL_mixer.h>
19 #include <SDL_thread.h>
20 #if defined(PLATFORM_WIN32)
21 #include <SDL_syswm.h>
24 /* definitions needed for "system.c" */
26 #if defined(TARGET_SDL2)
27 #define SURFACE_FLAGS (0)
29 #define SURFACE_FLAGS (SDL_SWSURFACE)
32 #if defined(TARGET_SDL2)
33 #define SET_TRANSPARENT_PIXEL (SDL_TRUE)
34 #define UNSET_TRANSPARENT_PIXEL (SDL_FALSE)
36 #define SET_TRANSPARENT_PIXEL (SDL_SRCCOLORKEY)
37 #define UNSET_TRANSPARENT_PIXEL (0)
40 /* system dependent definitions */
42 #if defined(TARGET_SDL2)
43 #define TARGET_STRING "SDL2"
45 #define TARGET_STRING "SDL"
48 #if defined(PLATFORM_ANDROID)
49 #define WINDOW_SCALING_STATUS WINDOW_SCALING_NOT_AVAILABLE
50 #define FULLSCREEN_STATUS FULLSCREEN_AVAILABLE
51 #define USE_DESKTOP_FULLSCREEN TRUE
52 #elif defined(TARGET_SDL2)
53 #define WINDOW_SCALING_STATUS WINDOW_SCALING_AVAILABLE
54 #define FULLSCREEN_STATUS FULLSCREEN_AVAILABLE
55 #define USE_DESKTOP_FULLSCREEN TRUE
57 #define WINDOW_SCALING_STATUS WINDOW_SCALING_NOT_AVAILABLE
58 #define FULLSCREEN_STATUS FULLSCREEN_AVAILABLE
61 #define USE_FINAL_SCREEN_BITMAP FALSE
63 #define CURSOR_MAX_WIDTH 32
64 #define CURSOR_MAX_HEIGHT 32
67 /* SDL type definitions */
69 typedef struct SDLSurfaceInfo Bitmap;
70 typedef struct SDLSurfaceInfo DrawBuffer;
71 typedef struct SDLSurfaceInfo DrawWindow;
73 typedef SDL_Cursor *Cursor;
75 #if defined(TARGET_SDL2)
76 typedef SDL_Keycode Key;
77 typedef SDL_Keymod KeyMod;
80 typedef unsigned int KeyMod;
83 typedef SDL_Event Event;
84 typedef SDL_MouseButtonEvent ButtonEvent;
85 typedef SDL_MouseMotionEvent MotionEvent;
86 #if defined(TARGET_SDL2)
87 typedef SDL_TouchFingerEvent FingerEvent;
88 typedef SDL_TextInputEvent TextEvent;
89 typedef SDL_Event PauseResumeEvent;
90 typedef SDL_WindowEvent WindowEvent;
92 typedef SDL_KeyboardEvent KeyEvent;
93 typedef SDL_Event ExposeEvent;
94 typedef SDL_Event FocusChangeEvent;
95 typedef SDL_Event ClientMessageEvent;
98 /* structure definitions */
100 struct SDLSurfaceInfo
102 char *source_filename;
105 SDL_Surface *surface;
106 SDL_Surface *surface_masked;
107 #if defined(TARGET_SDL2)
108 SDL_Texture *texture;
109 SDL_Texture *texture_masked;
113 struct MouseCursorInfo
118 byte data[CURSOR_MAX_WIDTH * CURSOR_MAX_HEIGHT / 8];
119 byte mask[CURSOR_MAX_WIDTH * CURSOR_MAX_HEIGHT / 8];
123 /* SDL symbol definitions */
127 #define BLACK_PIXEL 0x000000
128 #define WHITE_PIXEL 0xffffff
130 #define EVENT_BUTTONPRESS SDL_MOUSEBUTTONDOWN
131 #define EVENT_BUTTONRELEASE SDL_MOUSEBUTTONUP
132 #define EVENT_MOTIONNOTIFY SDL_MOUSEMOTION
133 #if defined(TARGET_SDL2)
134 #define EVENT_FINGERPRESS SDL_FINGERDOWN
135 #define EVENT_FINGERRELEASE SDL_FINGERUP
136 #define EVENT_FINGERMOTION SDL_FINGERMOTION
137 #define EVENT_TEXTINPUT SDL_TEXTINPUT
139 #define EVENT_KEYPRESS SDL_KEYDOWN
140 #define EVENT_KEYRELEASE SDL_KEYUP
141 #define EVENT_EXPOSE SDL_USEREVENT + 0
142 #define EVENT_FOCUSIN SDL_USEREVENT + 1
143 #define EVENT_FOCUSOUT SDL_USEREVENT + 2
144 #define EVENT_CLIENTMESSAGE SDL_QUIT
145 #define EVENT_MAPNOTIFY SDL_USEREVENT + 4
146 #define EVENT_UNMAPNOTIFY SDL_USEREVENT + 5
148 #define KSYM_UNDEFINED SDLK_UNKNOWN
150 #define KSYM_Return SDLK_RETURN
151 #define KSYM_Escape SDLK_ESCAPE
153 #define KSYM_Left SDLK_LEFT
154 #define KSYM_Right SDLK_RIGHT
155 #define KSYM_Up SDLK_UP
156 #define KSYM_Down SDLK_DOWN
159 #define KSYM_KP_Left SDLK_KP_LEFT
160 #define KSYM_KP_Right SDLK_KP_RIGHT
161 #define KSYM_KP_Up SDLK_KP_UP
162 #define KSYM_KP_Down SDLK_KP_DOWN
165 #define KSYM_KP_Enter SDLK_KP_ENTER
166 #define KSYM_KP_Add SDLK_KP_PLUS
167 #define KSYM_KP_Subtract SDLK_KP_MINUS
168 #define KSYM_KP_Multiply SDLK_KP_MULTIPLY
169 #define KSYM_KP_Divide SDLK_KP_DIVIDE
170 #define KSYM_KP_Separator SDLK_KP_PERIOD
172 #define KSYM_Shift_L SDLK_LSHIFT
173 #define KSYM_Shift_R SDLK_RSHIFT
174 #define KSYM_Control_L SDLK_LCTRL
175 #define KSYM_Control_R SDLK_RCTRL
177 #if defined(TARGET_SDL2)
178 #define KSYM_Meta_L SDLK_LGUI
179 #define KSYM_Meta_R SDLK_RGUI
181 #define KSYM_Meta_L SDLK_LMETA
182 #define KSYM_Meta_R SDLK_RMETA
185 #define KSYM_Alt_L SDLK_LALT
186 #define KSYM_Alt_R SDLK_RALT
187 #if !defined(TARGET_SDL2)
188 #define KSYM_Super_L SDLK_LSUPER
189 #define KSYM_Super_R SDLK_RSUPER
191 #define KSYM_Mode_switch SDLK_MODE
192 #define KSYM_Multi_key SDLK_RCTRL
194 #define KSYM_BackSpace SDLK_BACKSPACE
195 #define KSYM_Delete SDLK_DELETE
196 #define KSYM_Insert SDLK_INSERT
197 #define KSYM_Tab SDLK_TAB
198 #define KSYM_Home SDLK_HOME
199 #define KSYM_End SDLK_END
200 #define KSYM_Page_Up SDLK_PAGEUP
201 #define KSYM_Page_Down SDLK_PAGEDOWN
203 #if defined(TARGET_SDL2)
204 #define KSYM_Menu SDLK_MENU
205 #define KSYM_Back SDLK_AC_BACK
208 #define KSYM_space SDLK_SPACE
209 #define KSYM_exclam SDLK_EXCLAIM
210 #define KSYM_quotedbl SDLK_QUOTEDBL
211 #define KSYM_numbersign SDLK_HASH
212 #define KSYM_dollar SDLK_DOLLAR
214 #if defined(TARGET_SDL2)
215 #define KSYM_percent SDLK_PERCENT
217 #define KSYM_percent 37 /* undefined in SDL */
220 #define KSYM_ampersand SDLK_AMPERSAND
221 #define KSYM_apostrophe SDLK_QUOTE
222 #define KSYM_parenleft SDLK_LEFTPAREN
223 #define KSYM_parenright SDLK_RIGHTPAREN
224 #define KSYM_asterisk SDLK_ASTERISK
225 #define KSYM_plus SDLK_PLUS
226 #define KSYM_comma SDLK_COMMA
227 #define KSYM_minus SDLK_MINUS
228 #define KSYM_period SDLK_PERIOD
229 #define KSYM_slash SDLK_SLASH
231 #define KSYM_colon SDLK_COLON
232 #define KSYM_semicolon SDLK_SEMICOLON
233 #define KSYM_less SDLK_LESS
234 #define KSYM_equal SDLK_EQUALS
235 #define KSYM_greater SDLK_GREATER
236 #define KSYM_question SDLK_QUESTION
237 #define KSYM_at SDLK_AT
239 #define KSYM_bracketleft SDLK_LEFTBRACKET
240 #define KSYM_backslash SDLK_BACKSLASH
241 #define KSYM_bracketright SDLK_RIGHTBRACKET
242 #define KSYM_asciicircum SDLK_CARET
243 #define KSYM_underscore SDLK_UNDERSCORE
244 #define KSYM_grave SDLK_BACKQUOTE
246 #define KSYM_quoteleft KSYM_UNDEFINED /* undefined */
247 #define KSYM_braceleft KSYM_UNDEFINED /* undefined */
248 #define KSYM_bar KSYM_UNDEFINED /* undefined */
249 #define KSYM_braceright KSYM_UNDEFINED /* undefined */
250 #define KSYM_asciitilde KSYM_UNDEFINED /* undefined */
252 #if defined(TARGET_SDL2)
253 #define KSYM_degree 176
254 #define KSYM_Adiaeresis 196
255 #define KSYM_Odiaeresis 214
256 #define KSYM_Udiaeresis 220
257 #define KSYM_adiaeresis 228
258 #define KSYM_odiaeresis 246
259 #define KSYM_udiaeresis 252
260 #define KSYM_ssharp 223
262 #define KSYM_degree SDLK_WORLD_16
263 #define KSYM_Adiaeresis SDLK_WORLD_36
264 #define KSYM_Odiaeresis SDLK_WORLD_54
265 #define KSYM_Udiaeresis SDLK_WORLD_60
266 #define KSYM_adiaeresis SDLK_WORLD_68
267 #define KSYM_odiaeresis SDLK_WORLD_86
268 #define KSYM_udiaeresis SDLK_WORLD_92
269 #define KSYM_ssharp SDLK_WORLD_63
301 #define KSYM_A SDLK_A
302 #define KSYM_B SDLK_B
303 #define KSYM_C SDLK_C
304 #define KSYM_D SDLK_D
305 #define KSYM_E SDLK_E
306 #define KSYM_F SDLK_F
307 #define KSYM_G SDLK_G
308 #define KSYM_H SDLK_H
309 #define KSYM_I SDLK_I
310 #define KSYM_J SDLK_J
311 #define KSYM_K SDLK_K
312 #define KSYM_L SDLK_L
313 #define KSYM_M SDLK_M
314 #define KSYM_N SDLK_N
315 #define KSYM_O SDLK_O
316 #define KSYM_P SDLK_P
317 #define KSYM_Q SDLK_Q
318 #define KSYM_R SDLK_R
319 #define KSYM_S SDLK_S
320 #define KSYM_T SDLK_T
321 #define KSYM_U SDLK_U
322 #define KSYM_V SDLK_V
323 #define KSYM_W SDLK_W
324 #define KSYM_X SDLK_X
325 #define KSYM_Y SDLK_Y
326 #define KSYM_Z SDLK_Z
328 #define KSYM_a SDLK_a
329 #define KSYM_b SDLK_b
330 #define KSYM_c SDLK_c
331 #define KSYM_d SDLK_d
332 #define KSYM_e SDLK_e
333 #define KSYM_f SDLK_f
334 #define KSYM_g SDLK_g
335 #define KSYM_h SDLK_h
336 #define KSYM_i SDLK_i
337 #define KSYM_j SDLK_j
338 #define KSYM_k SDLK_k
339 #define KSYM_l SDLK_l
340 #define KSYM_m SDLK_m
341 #define KSYM_n SDLK_n
342 #define KSYM_o SDLK_o
343 #define KSYM_p SDLK_p
344 #define KSYM_q SDLK_q
345 #define KSYM_r SDLK_r
346 #define KSYM_s SDLK_s
347 #define KSYM_t SDLK_t
348 #define KSYM_u SDLK_u
349 #define KSYM_v SDLK_v
350 #define KSYM_w SDLK_w
351 #define KSYM_x SDLK_x
352 #define KSYM_y SDLK_y
353 #define KSYM_z SDLK_z
355 #define KSYM_0 SDLK_0
356 #define KSYM_1 SDLK_1
357 #define KSYM_2 SDLK_2
358 #define KSYM_3 SDLK_3
359 #define KSYM_4 SDLK_4
360 #define KSYM_5 SDLK_5
361 #define KSYM_6 SDLK_6
362 #define KSYM_7 SDLK_7
363 #define KSYM_8 SDLK_8
364 #define KSYM_9 SDLK_9
366 #if defined(TARGET_SDL2)
367 #define KSYM_KP_0 SDLK_KP_0
368 #define KSYM_KP_1 SDLK_KP_1
369 #define KSYM_KP_2 SDLK_KP_2
370 #define KSYM_KP_3 SDLK_KP_3
371 #define KSYM_KP_4 SDLK_KP_4
372 #define KSYM_KP_5 SDLK_KP_5
373 #define KSYM_KP_6 SDLK_KP_6
374 #define KSYM_KP_7 SDLK_KP_7
375 #define KSYM_KP_8 SDLK_KP_8
376 #define KSYM_KP_9 SDLK_KP_9
378 #define KSYM_KP_0 SDLK_KP0
379 #define KSYM_KP_1 SDLK_KP1
380 #define KSYM_KP_2 SDLK_KP2
381 #define KSYM_KP_3 SDLK_KP3
382 #define KSYM_KP_4 SDLK_KP4
383 #define KSYM_KP_5 SDLK_KP5
384 #define KSYM_KP_6 SDLK_KP6
385 #define KSYM_KP_7 SDLK_KP7
386 #define KSYM_KP_8 SDLK_KP8
387 #define KSYM_KP_9 SDLK_KP9
390 #define KSYM_F1 SDLK_F1
391 #define KSYM_F2 SDLK_F2
392 #define KSYM_F3 SDLK_F3
393 #define KSYM_F4 SDLK_F4
394 #define KSYM_F5 SDLK_F5
395 #define KSYM_F6 SDLK_F6
396 #define KSYM_F7 SDLK_F7
397 #define KSYM_F8 SDLK_F8
398 #define KSYM_F9 SDLK_F9
399 #define KSYM_F10 SDLK_F10
400 #define KSYM_F11 SDLK_F11
401 #define KSYM_F12 SDLK_F12
403 #define KSYM_FKEY_FIRST KSYM_F1
404 #define KSYM_FKEY_LAST KSYM_F12
405 #define KSYM_NUM_FKEYS (KSYM_FKEY_LAST - KSYM_FKEY_FIRST + 1)
407 #define KMOD_None KMOD_NONE
408 #define KMOD_Shift_L KMOD_LSHIFT
409 #define KMOD_Shift_R KMOD_RSHIFT
410 #define KMOD_Control_L KMOD_LCTRL
411 #define KMOD_Control_R KMOD_RCTRL
413 #if defined(TARGET_SDL2)
414 #define KMOD_Meta_L KMOD_LGUI
415 #define KMOD_Meta_R KMOD_RGUI
417 #define KMOD_Meta_L KMOD_LMETA
418 #define KMOD_Meta_R KMOD_RMETA
421 #define KMOD_Alt_L KMOD_LALT
422 #define KMOD_Alt_R KMOD_RALT
424 #define KMOD_Shift (KMOD_Shift_L | KMOD_Shift_R)
425 #define KMOD_Control (KMOD_Control_L | KMOD_Control_R)
426 #define KMOD_Meta (KMOD_Meta_L | KMOD_Meta_R)
427 #define KMOD_Alt (KMOD_Alt_L | KMOD_Alt_R)
429 #if defined(TARGET_SDL2)
430 #define KMOD_TextInput (KMOD_Shift | KMOD_Alt_R)
433 /* SDL function definitions */
435 boolean SDLSetNativeSurface(SDL_Surface **);
436 SDL_Surface *SDLGetNativeSurface(SDL_Surface *);
437 void SDLCreateBitmapTextures(Bitmap *);
438 void SDLFreeBitmapTextures(Bitmap *);
440 #if defined(TARGET_SDL2)
441 SDL_Surface *SDL_DisplayFormat(SDL_Surface *);
442 void SDLSetWindowScaling(int);
443 void SDLSetWindowScalingQuality(char *);
444 void SDLSetWindowFullscreen(boolean);
445 void SDLRedrawWindow();
448 void SDLSetWindowTitle(void);
450 void SDLLimitScreenUpdates(boolean);
451 void SDLInitVideoDisplay(void);
452 void SDLInitVideoBuffer(DrawBuffer **, DrawWindow **, boolean);
453 boolean SDLSetVideoMode(DrawBuffer **, boolean);
454 void SDLCreateBitmapContent(Bitmap *, int, int, int);
455 void SDLFreeBitmapPointers(Bitmap *);
456 void SDLCopyArea(Bitmap *, Bitmap *, int, int, int, int, int, int, int);
457 void SDLBlitTexture(Bitmap *, int, int, int, int, int, int, int);
458 void SDLFillRectangle(Bitmap *, int, int, int, int, Uint32);
459 void SDLFadeRectangle(Bitmap *, int, int, int, int, int, int, int,
460 void (*draw_border_function)(void));
461 void SDLDrawSimpleLine(Bitmap *, int, int, int, int, Uint32);
462 void SDLDrawLine(Bitmap *, int, int, int, int, Uint32);
463 Pixel SDLGetPixel(Bitmap *, int, int);
464 void SDLPutPixel(Bitmap *, int, int, Pixel);
466 void SDLInvertArea(Bitmap *, int, int, int, int, Uint32);
467 void SDLCopyInverseMasked(Bitmap *, Bitmap *, int, int, int, int, int, int);
469 Bitmap *SDLZoomBitmap(Bitmap *, int, int);
471 Bitmap *SDLLoadImage(char *);
473 void SDLSetMouseCursor(struct MouseCursorInfo *);
475 void SDLOpenAudio(void);
476 void SDLCloseAudio(void);
478 void SDLNextEvent(Event *);
479 void SDLHandleWindowManagerEvent(Event *);
481 void HandleJoystickEvent(Event *);
482 void SDLInitJoysticks(void);
483 boolean SDLReadJoystick(int, int *, int *, boolean *, boolean *);