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 #elif defined(TARGET_SDL2)
52 #define WINDOW_SCALING_STATUS WINDOW_SCALING_AVAILABLE
53 #define FULLSCREEN_STATUS FULLSCREEN_AVAILABLE
55 #define WINDOW_SCALING_STATUS WINDOW_SCALING_NOT_AVAILABLE
56 #define FULLSCREEN_STATUS FULLSCREEN_AVAILABLE
59 #define CURSOR_MAX_WIDTH 32
60 #define CURSOR_MAX_HEIGHT 32
63 /* SDL type definitions */
65 typedef struct SDLSurfaceInfo Bitmap;
66 typedef struct SDLSurfaceInfo DrawBuffer;
67 typedef struct SDLSurfaceInfo DrawWindow;
69 typedef SDL_Cursor *Cursor;
71 #if defined(TARGET_SDL2)
72 typedef SDL_Keycode Key;
73 typedef SDL_Keymod KeyMod;
76 typedef unsigned int KeyMod;
79 typedef SDL_Event Event;
80 typedef SDL_MouseButtonEvent ButtonEvent;
81 typedef SDL_MouseMotionEvent MotionEvent;
82 #if defined(TARGET_SDL2)
83 typedef SDL_TouchFingerEvent FingerEvent;
84 typedef SDL_TextInputEvent TextEvent;
85 typedef SDL_Event PauseResumeEvent;
86 typedef SDL_WindowEvent WindowEvent;
88 typedef SDL_KeyboardEvent KeyEvent;
89 typedef SDL_Event ExposeEvent;
90 typedef SDL_Event FocusChangeEvent;
91 typedef SDL_Event ClientMessageEvent;
94 /* structure definitions */
98 char *source_filename;
101 SDL_Surface *surface;
102 SDL_Surface *surface_masked;
103 #if defined(TARGET_SDL2)
104 SDL_Texture *texture;
105 SDL_Texture *texture_masked;
109 struct MouseCursorInfo
114 byte data[CURSOR_MAX_WIDTH * CURSOR_MAX_HEIGHT / 8];
115 byte mask[CURSOR_MAX_WIDTH * CURSOR_MAX_HEIGHT / 8];
119 /* SDL symbol definitions */
123 #define BLACK_PIXEL 0x000000
124 #define WHITE_PIXEL 0xffffff
126 #define EVENT_BUTTONPRESS SDL_MOUSEBUTTONDOWN
127 #define EVENT_BUTTONRELEASE SDL_MOUSEBUTTONUP
128 #define EVENT_MOTIONNOTIFY SDL_MOUSEMOTION
129 #if defined(TARGET_SDL2)
130 #define EVENT_FINGERPRESS SDL_FINGERDOWN
131 #define EVENT_FINGERRELEASE SDL_FINGERUP
132 #define EVENT_FINGERMOTION SDL_FINGERMOTION
133 #define EVENT_TEXTINPUT SDL_TEXTINPUT
135 #define EVENT_KEYPRESS SDL_KEYDOWN
136 #define EVENT_KEYRELEASE SDL_KEYUP
137 #define EVENT_EXPOSE SDL_USEREVENT + 0
138 #define EVENT_FOCUSIN SDL_USEREVENT + 1
139 #define EVENT_FOCUSOUT SDL_USEREVENT + 2
140 #define EVENT_CLIENTMESSAGE SDL_QUIT
141 #define EVENT_MAPNOTIFY SDL_USEREVENT + 4
142 #define EVENT_UNMAPNOTIFY SDL_USEREVENT + 5
144 #define KSYM_UNDEFINED SDLK_UNKNOWN
146 #define KSYM_Return SDLK_RETURN
147 #define KSYM_Escape SDLK_ESCAPE
149 #define KSYM_Left SDLK_LEFT
150 #define KSYM_Right SDLK_RIGHT
151 #define KSYM_Up SDLK_UP
152 #define KSYM_Down SDLK_DOWN
155 #define KSYM_KP_Left SDLK_KP_LEFT
156 #define KSYM_KP_Right SDLK_KP_RIGHT
157 #define KSYM_KP_Up SDLK_KP_UP
158 #define KSYM_KP_Down SDLK_KP_DOWN
161 #define KSYM_KP_Enter SDLK_KP_ENTER
162 #define KSYM_KP_Add SDLK_KP_PLUS
163 #define KSYM_KP_Subtract SDLK_KP_MINUS
164 #define KSYM_KP_Multiply SDLK_KP_MULTIPLY
165 #define KSYM_KP_Divide SDLK_KP_DIVIDE
166 #define KSYM_KP_Separator SDLK_KP_PERIOD
168 #define KSYM_Shift_L SDLK_LSHIFT
169 #define KSYM_Shift_R SDLK_RSHIFT
170 #define KSYM_Control_L SDLK_LCTRL
171 #define KSYM_Control_R SDLK_RCTRL
173 #if defined(TARGET_SDL2)
174 #define KSYM_Meta_L SDLK_LGUI
175 #define KSYM_Meta_R SDLK_RGUI
177 #define KSYM_Meta_L SDLK_LMETA
178 #define KSYM_Meta_R SDLK_RMETA
181 #define KSYM_Alt_L SDLK_LALT
182 #define KSYM_Alt_R SDLK_RALT
183 #if !defined(TARGET_SDL2)
184 #define KSYM_Super_L SDLK_LSUPER
185 #define KSYM_Super_R SDLK_RSUPER
187 #define KSYM_Mode_switch SDLK_MODE
188 #define KSYM_Multi_key SDLK_RCTRL
190 #define KSYM_BackSpace SDLK_BACKSPACE
191 #define KSYM_Delete SDLK_DELETE
192 #define KSYM_Insert SDLK_INSERT
193 #define KSYM_Tab SDLK_TAB
194 #define KSYM_Home SDLK_HOME
195 #define KSYM_End SDLK_END
196 #define KSYM_Page_Up SDLK_PAGEUP
197 #define KSYM_Page_Down SDLK_PAGEDOWN
199 #if defined(TARGET_SDL2)
200 #define KSYM_Menu SDLK_MENU
201 #define KSYM_Back SDLK_AC_BACK
204 #define KSYM_space SDLK_SPACE
205 #define KSYM_exclam SDLK_EXCLAIM
206 #define KSYM_quotedbl SDLK_QUOTEDBL
207 #define KSYM_numbersign SDLK_HASH
208 #define KSYM_dollar SDLK_DOLLAR
210 #if defined(TARGET_SDL2)
211 #define KSYM_percent SDLK_PERCENT
213 #define KSYM_percent 37 /* undefined in SDL */
216 #define KSYM_ampersand SDLK_AMPERSAND
217 #define KSYM_apostrophe SDLK_QUOTE
218 #define KSYM_parenleft SDLK_LEFTPAREN
219 #define KSYM_parenright SDLK_RIGHTPAREN
220 #define KSYM_asterisk SDLK_ASTERISK
221 #define KSYM_plus SDLK_PLUS
222 #define KSYM_comma SDLK_COMMA
223 #define KSYM_minus SDLK_MINUS
224 #define KSYM_period SDLK_PERIOD
225 #define KSYM_slash SDLK_SLASH
227 #define KSYM_colon SDLK_COLON
228 #define KSYM_semicolon SDLK_SEMICOLON
229 #define KSYM_less SDLK_LESS
230 #define KSYM_equal SDLK_EQUALS
231 #define KSYM_greater SDLK_GREATER
232 #define KSYM_question SDLK_QUESTION
233 #define KSYM_at SDLK_AT
235 #define KSYM_bracketleft SDLK_LEFTBRACKET
236 #define KSYM_backslash SDLK_BACKSLASH
237 #define KSYM_bracketright SDLK_RIGHTBRACKET
238 #define KSYM_asciicircum SDLK_CARET
239 #define KSYM_underscore SDLK_UNDERSCORE
240 #define KSYM_grave SDLK_BACKQUOTE
242 #define KSYM_quoteleft KSYM_UNDEFINED /* undefined */
243 #define KSYM_braceleft KSYM_UNDEFINED /* undefined */
244 #define KSYM_bar KSYM_UNDEFINED /* undefined */
245 #define KSYM_braceright KSYM_UNDEFINED /* undefined */
246 #define KSYM_asciitilde KSYM_UNDEFINED /* undefined */
248 #if defined(TARGET_SDL2)
249 #define KSYM_degree 176
250 #define KSYM_Adiaeresis 196
251 #define KSYM_Odiaeresis 214
252 #define KSYM_Udiaeresis 220
253 #define KSYM_adiaeresis 228
254 #define KSYM_odiaeresis 246
255 #define KSYM_udiaeresis 252
256 #define KSYM_ssharp 223
258 #define KSYM_degree SDLK_WORLD_16
259 #define KSYM_Adiaeresis SDLK_WORLD_36
260 #define KSYM_Odiaeresis SDLK_WORLD_54
261 #define KSYM_Udiaeresis SDLK_WORLD_60
262 #define KSYM_adiaeresis SDLK_WORLD_68
263 #define KSYM_odiaeresis SDLK_WORLD_86
264 #define KSYM_udiaeresis SDLK_WORLD_92
265 #define KSYM_ssharp SDLK_WORLD_63
297 #define KSYM_A SDLK_A
298 #define KSYM_B SDLK_B
299 #define KSYM_C SDLK_C
300 #define KSYM_D SDLK_D
301 #define KSYM_E SDLK_E
302 #define KSYM_F SDLK_F
303 #define KSYM_G SDLK_G
304 #define KSYM_H SDLK_H
305 #define KSYM_I SDLK_I
306 #define KSYM_J SDLK_J
307 #define KSYM_K SDLK_K
308 #define KSYM_L SDLK_L
309 #define KSYM_M SDLK_M
310 #define KSYM_N SDLK_N
311 #define KSYM_O SDLK_O
312 #define KSYM_P SDLK_P
313 #define KSYM_Q SDLK_Q
314 #define KSYM_R SDLK_R
315 #define KSYM_S SDLK_S
316 #define KSYM_T SDLK_T
317 #define KSYM_U SDLK_U
318 #define KSYM_V SDLK_V
319 #define KSYM_W SDLK_W
320 #define KSYM_X SDLK_X
321 #define KSYM_Y SDLK_Y
322 #define KSYM_Z SDLK_Z
324 #define KSYM_a SDLK_a
325 #define KSYM_b SDLK_b
326 #define KSYM_c SDLK_c
327 #define KSYM_d SDLK_d
328 #define KSYM_e SDLK_e
329 #define KSYM_f SDLK_f
330 #define KSYM_g SDLK_g
331 #define KSYM_h SDLK_h
332 #define KSYM_i SDLK_i
333 #define KSYM_j SDLK_j
334 #define KSYM_k SDLK_k
335 #define KSYM_l SDLK_l
336 #define KSYM_m SDLK_m
337 #define KSYM_n SDLK_n
338 #define KSYM_o SDLK_o
339 #define KSYM_p SDLK_p
340 #define KSYM_q SDLK_q
341 #define KSYM_r SDLK_r
342 #define KSYM_s SDLK_s
343 #define KSYM_t SDLK_t
344 #define KSYM_u SDLK_u
345 #define KSYM_v SDLK_v
346 #define KSYM_w SDLK_w
347 #define KSYM_x SDLK_x
348 #define KSYM_y SDLK_y
349 #define KSYM_z SDLK_z
351 #define KSYM_0 SDLK_0
352 #define KSYM_1 SDLK_1
353 #define KSYM_2 SDLK_2
354 #define KSYM_3 SDLK_3
355 #define KSYM_4 SDLK_4
356 #define KSYM_5 SDLK_5
357 #define KSYM_6 SDLK_6
358 #define KSYM_7 SDLK_7
359 #define KSYM_8 SDLK_8
360 #define KSYM_9 SDLK_9
362 #if defined(TARGET_SDL2)
363 #define KSYM_KP_0 SDLK_KP_0
364 #define KSYM_KP_1 SDLK_KP_1
365 #define KSYM_KP_2 SDLK_KP_2
366 #define KSYM_KP_3 SDLK_KP_3
367 #define KSYM_KP_4 SDLK_KP_4
368 #define KSYM_KP_5 SDLK_KP_5
369 #define KSYM_KP_6 SDLK_KP_6
370 #define KSYM_KP_7 SDLK_KP_7
371 #define KSYM_KP_8 SDLK_KP_8
372 #define KSYM_KP_9 SDLK_KP_9
374 #define KSYM_KP_0 SDLK_KP0
375 #define KSYM_KP_1 SDLK_KP1
376 #define KSYM_KP_2 SDLK_KP2
377 #define KSYM_KP_3 SDLK_KP3
378 #define KSYM_KP_4 SDLK_KP4
379 #define KSYM_KP_5 SDLK_KP5
380 #define KSYM_KP_6 SDLK_KP6
381 #define KSYM_KP_7 SDLK_KP7
382 #define KSYM_KP_8 SDLK_KP8
383 #define KSYM_KP_9 SDLK_KP9
386 #define KSYM_F1 SDLK_F1
387 #define KSYM_F2 SDLK_F2
388 #define KSYM_F3 SDLK_F3
389 #define KSYM_F4 SDLK_F4
390 #define KSYM_F5 SDLK_F5
391 #define KSYM_F6 SDLK_F6
392 #define KSYM_F7 SDLK_F7
393 #define KSYM_F8 SDLK_F8
394 #define KSYM_F9 SDLK_F9
395 #define KSYM_F10 SDLK_F10
396 #define KSYM_F11 SDLK_F11
397 #define KSYM_F12 SDLK_F12
399 #define KSYM_FKEY_FIRST KSYM_F1
400 #define KSYM_FKEY_LAST KSYM_F12
401 #define KSYM_NUM_FKEYS (KSYM_FKEY_LAST - KSYM_FKEY_FIRST + 1)
403 #define KMOD_None KMOD_NONE
404 #define KMOD_Shift_L KMOD_LSHIFT
405 #define KMOD_Shift_R KMOD_RSHIFT
406 #define KMOD_Control_L KMOD_LCTRL
407 #define KMOD_Control_R KMOD_RCTRL
409 #if defined(TARGET_SDL2)
410 #define KMOD_Meta_L KMOD_LGUI
411 #define KMOD_Meta_R KMOD_RGUI
413 #define KMOD_Meta_L KMOD_LMETA
414 #define KMOD_Meta_R KMOD_RMETA
417 #define KMOD_Alt_L KMOD_LALT
418 #define KMOD_Alt_R KMOD_RALT
420 #define KMOD_Shift (KMOD_Shift_L | KMOD_Shift_R)
421 #define KMOD_Control (KMOD_Control_L | KMOD_Control_R)
422 #define KMOD_Meta (KMOD_Meta_L | KMOD_Meta_R)
423 #define KMOD_Alt (KMOD_Alt_L | KMOD_Alt_R)
425 #if defined(TARGET_SDL2)
426 #define KMOD_TextInput (KMOD_Shift | KMOD_Alt_R)
429 /* SDL function definitions */
431 boolean SDLSetNativeSurface(SDL_Surface **);
432 SDL_Surface *SDLGetNativeSurface(SDL_Surface *);
433 void SDLCreateBitmapTextures(Bitmap *);
434 void SDLFreeBitmapTextures(Bitmap *);
436 #if defined(TARGET_SDL2)
437 SDL_Surface *SDL_DisplayFormat(SDL_Surface *);
438 void SDLSetWindowScaling(int);
439 void SDLSetWindowScalingQuality(char *);
440 void SDLSetScreenRenderingMode(char *);
441 void SDLSetWindowFullscreen(boolean);
442 void SDLRedrawWindow();
445 void SDLSetWindowTitle(void);
447 void SDLLimitScreenUpdates(boolean);
448 void SDLInitVideoDisplay(void);
449 void SDLInitVideoBuffer(boolean);
450 boolean SDLSetVideoMode(boolean);
451 void SDLCreateBitmapContent(Bitmap *, int, int, int);
452 void SDLFreeBitmapPointers(Bitmap *);
453 void SDLCopyArea(Bitmap *, Bitmap *, int, int, int, int, int, int, int);
454 void SDLBlitTexture(Bitmap *, int, int, int, int, int, int, int);
455 void SDLFillRectangle(Bitmap *, int, int, int, int, Uint32);
456 void SDLFadeRectangle(Bitmap *, int, int, int, int, int, int, int,
457 void (*draw_border_function)(void));
458 void SDLDrawSimpleLine(Bitmap *, int, int, int, int, Uint32);
459 void SDLDrawLine(Bitmap *, int, int, int, int, Uint32);
460 Pixel SDLGetPixel(Bitmap *, int, int);
461 void SDLPutPixel(Bitmap *, int, int, Pixel);
463 void SDLInvertArea(Bitmap *, int, int, int, int, Uint32);
464 void SDLCopyInverseMasked(Bitmap *, Bitmap *, int, int, int, int, int, int);
466 Bitmap *SDLZoomBitmap(Bitmap *, int, int);
468 Bitmap *SDLLoadImage(char *);
470 void SDLSetMouseCursor(struct MouseCursorInfo *);
472 void SDLOpenAudio(void);
473 void SDLCloseAudio(void);
475 void SDLNextEvent(Event *);
476 void SDLHandleWindowManagerEvent(Event *);
478 void HandleJoystickEvent(Event *);
479 void SDLInitJoysticks(void);
480 boolean SDLReadJoystick(int, int *, int *, boolean *, boolean *);