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