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 #define SURFACE_FLAGS (0)
28 #define SET_TRANSPARENT_PIXEL (SDL_TRUE)
29 #define UNSET_TRANSPARENT_PIXEL (SDL_FALSE)
31 // system dependent definitions
33 #define TARGET_STRING "SDL2"
35 #if defined(PLATFORM_ANDROID)
36 #define WINDOW_SCALING_STATUS WINDOW_SCALING_NOT_AVAILABLE
37 #define FULLSCREEN_STATUS FULLSCREEN_AVAILABLE
39 #define WINDOW_SCALING_STATUS WINDOW_SCALING_AVAILABLE
40 #define FULLSCREEN_STATUS FULLSCREEN_AVAILABLE
43 #define CURSOR_MAX_WIDTH 32
44 #define CURSOR_MAX_HEIGHT 32
47 // SDL type definitions
49 typedef struct SDLSurfaceInfo Bitmap;
50 typedef struct SDLSurfaceInfo DrawBuffer;
51 typedef struct SDLSurfaceInfo DrawWindow;
53 typedef SDL_Cursor *Cursor;
55 typedef SDL_Keycode Key;
56 typedef SDL_Keymod KeyMod;
58 typedef SDL_Event Event;
59 typedef SDL_MouseButtonEvent ButtonEvent;
60 typedef SDL_MouseMotionEvent MotionEvent;
61 typedef SDL_MouseWheelEvent WheelEvent;
62 typedef SDL_TouchFingerEvent FingerEvent;
63 typedef SDL_TextInputEvent TextEvent;
64 typedef SDL_Event PauseResumeEvent;
65 typedef SDL_WindowEvent WindowEvent;
66 typedef SDL_KeyboardEvent KeyEvent;
67 typedef SDL_Event ClientMessageEvent;
70 // structure definitions
74 char *source_filename;
78 SDL_Surface *surface_masked;
80 SDL_Texture *texture_masked;
83 struct MouseCursorInfo
88 byte data[CURSOR_MAX_WIDTH * CURSOR_MAX_HEIGHT / 8];
89 byte mask[CURSOR_MAX_WIDTH * CURSOR_MAX_HEIGHT / 8];
93 // SDL symbol definitions
97 #define BLACK_PIXEL 0x000000
98 #define WHITE_PIXEL 0xffffff
100 #define EVENT_BUTTONPRESS SDL_MOUSEBUTTONDOWN
101 #define EVENT_BUTTONRELEASE SDL_MOUSEBUTTONUP
102 #define EVENT_MOTIONNOTIFY SDL_MOUSEMOTION
103 #define EVENT_WHEELMOTION SDL_MOUSEWHEEL
104 #define EVENT_FINGERPRESS SDL_FINGERDOWN
105 #define EVENT_FINGERRELEASE SDL_FINGERUP
106 #define EVENT_FINGERMOTION SDL_FINGERMOTION
107 #define EVENT_TEXTINPUT SDL_TEXTINPUT
108 #define EVENT_KEYPRESS SDL_KEYDOWN
109 #define EVENT_KEYRELEASE SDL_KEYUP
110 #define EVENT_CLIENTMESSAGE SDL_QUIT
112 #define KSYM_UNDEFINED SDLK_UNKNOWN
114 #define KSYM_Return SDLK_RETURN
115 #define KSYM_Escape SDLK_ESCAPE
117 #define KSYM_Left SDLK_LEFT
118 #define KSYM_Right SDLK_RIGHT
119 #define KSYM_Up SDLK_UP
120 #define KSYM_Down SDLK_DOWN
123 #define KSYM_KP_Left SDLK_KP_LEFT
124 #define KSYM_KP_Right SDLK_KP_RIGHT
125 #define KSYM_KP_Up SDLK_KP_UP
126 #define KSYM_KP_Down SDLK_KP_DOWN
129 #define KSYM_KP_Enter SDLK_KP_ENTER
130 #define KSYM_KP_Add SDLK_KP_PLUS
131 #define KSYM_KP_Subtract SDLK_KP_MINUS
132 #define KSYM_KP_Multiply SDLK_KP_MULTIPLY
133 #define KSYM_KP_Divide SDLK_KP_DIVIDE
134 #define KSYM_KP_Separator SDLK_KP_PERIOD
136 #define KSYM_Shift_L SDLK_LSHIFT
137 #define KSYM_Shift_R SDLK_RSHIFT
138 #define KSYM_Control_L SDLK_LCTRL
139 #define KSYM_Control_R SDLK_RCTRL
141 #define KSYM_Meta_L SDLK_LGUI
142 #define KSYM_Meta_R SDLK_RGUI
144 #define KSYM_Alt_L SDLK_LALT
145 #define KSYM_Alt_R SDLK_RALT
146 #define KSYM_Mode_switch SDLK_MODE
147 #define KSYM_Multi_key SDLK_RCTRL
149 #define KSYM_BackSpace SDLK_BACKSPACE
150 #define KSYM_Delete SDLK_DELETE
151 #define KSYM_Insert SDLK_INSERT
152 #define KSYM_Tab SDLK_TAB
153 #define KSYM_Home SDLK_HOME
154 #define KSYM_End SDLK_END
155 #define KSYM_Page_Up SDLK_PAGEUP
156 #define KSYM_Page_Down SDLK_PAGEDOWN
158 #define KSYM_Select SDLK_SELECT
159 #define KSYM_Menu SDLK_MENU
160 #define KSYM_Back SDLK_AC_BACK
161 #define KSYM_PlayPause SDLK_AUDIOPLAY
162 #if defined(PLATFORM_ANDROID)
163 #define KSYM_Rewind SDLK_AUDIOREWIND
164 #define KSYM_FastForward SDLK_AUDIOFASTFORWARD
167 #define KSYM_space SDLK_SPACE
168 #define KSYM_exclam SDLK_EXCLAIM
169 #define KSYM_quotedbl SDLK_QUOTEDBL
170 #define KSYM_numbersign SDLK_HASH
171 #define KSYM_dollar SDLK_DOLLAR
172 #define KSYM_percent SDLK_PERCENT
173 #define KSYM_ampersand SDLK_AMPERSAND
174 #define KSYM_apostrophe SDLK_QUOTE
175 #define KSYM_parenleft SDLK_LEFTPAREN
176 #define KSYM_parenright SDLK_RIGHTPAREN
177 #define KSYM_asterisk SDLK_ASTERISK
178 #define KSYM_plus SDLK_PLUS
179 #define KSYM_comma SDLK_COMMA
180 #define KSYM_minus SDLK_MINUS
181 #define KSYM_period SDLK_PERIOD
182 #define KSYM_slash SDLK_SLASH
184 #define KSYM_colon SDLK_COLON
185 #define KSYM_semicolon SDLK_SEMICOLON
186 #define KSYM_less SDLK_LESS
187 #define KSYM_equal SDLK_EQUALS
188 #define KSYM_greater SDLK_GREATER
189 #define KSYM_question SDLK_QUESTION
190 #define KSYM_at SDLK_AT
192 #define KSYM_bracketleft SDLK_LEFTBRACKET
193 #define KSYM_backslash SDLK_BACKSLASH
194 #define KSYM_bracketright SDLK_RIGHTBRACKET
195 #define KSYM_asciicircum SDLK_CARET
196 #define KSYM_underscore SDLK_UNDERSCORE
197 #define KSYM_grave SDLK_BACKQUOTE
199 #define KSYM_quoteleft KSYM_UNDEFINED // undefined
200 #define KSYM_braceleft KSYM_UNDEFINED // undefined
201 #define KSYM_bar KSYM_UNDEFINED // undefined
202 #define KSYM_braceright KSYM_UNDEFINED // undefined
203 #define KSYM_asciitilde KSYM_UNDEFINED // undefined
205 #define KSYM_degree 176
206 #define KSYM_Adiaeresis 196
207 #define KSYM_Odiaeresis 214
208 #define KSYM_Udiaeresis 220
209 #define KSYM_adiaeresis 228
210 #define KSYM_odiaeresis 246
211 #define KSYM_udiaeresis 252
212 #define KSYM_ssharp 223
243 #define KSYM_A SDLK_A
244 #define KSYM_B SDLK_B
245 #define KSYM_C SDLK_C
246 #define KSYM_D SDLK_D
247 #define KSYM_E SDLK_E
248 #define KSYM_F SDLK_F
249 #define KSYM_G SDLK_G
250 #define KSYM_H SDLK_H
251 #define KSYM_I SDLK_I
252 #define KSYM_J SDLK_J
253 #define KSYM_K SDLK_K
254 #define KSYM_L SDLK_L
255 #define KSYM_M SDLK_M
256 #define KSYM_N SDLK_N
257 #define KSYM_O SDLK_O
258 #define KSYM_P SDLK_P
259 #define KSYM_Q SDLK_Q
260 #define KSYM_R SDLK_R
261 #define KSYM_S SDLK_S
262 #define KSYM_T SDLK_T
263 #define KSYM_U SDLK_U
264 #define KSYM_V SDLK_V
265 #define KSYM_W SDLK_W
266 #define KSYM_X SDLK_X
267 #define KSYM_Y SDLK_Y
268 #define KSYM_Z SDLK_Z
270 #define KSYM_a SDLK_a
271 #define KSYM_b SDLK_b
272 #define KSYM_c SDLK_c
273 #define KSYM_d SDLK_d
274 #define KSYM_e SDLK_e
275 #define KSYM_f SDLK_f
276 #define KSYM_g SDLK_g
277 #define KSYM_h SDLK_h
278 #define KSYM_i SDLK_i
279 #define KSYM_j SDLK_j
280 #define KSYM_k SDLK_k
281 #define KSYM_l SDLK_l
282 #define KSYM_m SDLK_m
283 #define KSYM_n SDLK_n
284 #define KSYM_o SDLK_o
285 #define KSYM_p SDLK_p
286 #define KSYM_q SDLK_q
287 #define KSYM_r SDLK_r
288 #define KSYM_s SDLK_s
289 #define KSYM_t SDLK_t
290 #define KSYM_u SDLK_u
291 #define KSYM_v SDLK_v
292 #define KSYM_w SDLK_w
293 #define KSYM_x SDLK_x
294 #define KSYM_y SDLK_y
295 #define KSYM_z SDLK_z
297 #define KSYM_0 SDLK_0
298 #define KSYM_1 SDLK_1
299 #define KSYM_2 SDLK_2
300 #define KSYM_3 SDLK_3
301 #define KSYM_4 SDLK_4
302 #define KSYM_5 SDLK_5
303 #define KSYM_6 SDLK_6
304 #define KSYM_7 SDLK_7
305 #define KSYM_8 SDLK_8
306 #define KSYM_9 SDLK_9
308 #define KSYM_KP_0 SDLK_KP_0
309 #define KSYM_KP_1 SDLK_KP_1
310 #define KSYM_KP_2 SDLK_KP_2
311 #define KSYM_KP_3 SDLK_KP_3
312 #define KSYM_KP_4 SDLK_KP_4
313 #define KSYM_KP_5 SDLK_KP_5
314 #define KSYM_KP_6 SDLK_KP_6
315 #define KSYM_KP_7 SDLK_KP_7
316 #define KSYM_KP_8 SDLK_KP_8
317 #define KSYM_KP_9 SDLK_KP_9
319 #define KSYM_F1 SDLK_F1
320 #define KSYM_F2 SDLK_F2
321 #define KSYM_F3 SDLK_F3
322 #define KSYM_F4 SDLK_F4
323 #define KSYM_F5 SDLK_F5
324 #define KSYM_F6 SDLK_F6
325 #define KSYM_F7 SDLK_F7
326 #define KSYM_F8 SDLK_F8
327 #define KSYM_F9 SDLK_F9
328 #define KSYM_F10 SDLK_F10
329 #define KSYM_F11 SDLK_F11
330 #define KSYM_F12 SDLK_F12
332 #define KSYM_FKEY_FIRST KSYM_F1
333 #define KSYM_FKEY_LAST KSYM_F12
334 #define KSYM_NUM_FKEYS (KSYM_FKEY_LAST - KSYM_FKEY_FIRST + 1)
336 #define KMOD_None KMOD_NONE
337 #define KMOD_Shift_L KMOD_LSHIFT
338 #define KMOD_Shift_R KMOD_RSHIFT
339 #define KMOD_Control_L KMOD_LCTRL
340 #define KMOD_Control_R KMOD_RCTRL
341 #define KMOD_Meta_L KMOD_LGUI
342 #define KMOD_Meta_R KMOD_RGUI
343 #define KMOD_Alt_L KMOD_LALT
344 #define KMOD_Alt_R KMOD_RALT
346 #define KMOD_Shift (KMOD_Shift_L | KMOD_Shift_R)
347 #define KMOD_Control (KMOD_Control_L | KMOD_Control_R)
348 #define KMOD_Meta (KMOD_Meta_L | KMOD_Meta_R)
349 #define KMOD_Alt (KMOD_Alt_L | KMOD_Alt_R)
351 // this only contains "valid" key modifiers (and ignores keys like "NumLock")
352 #define KMOD_Valid (KMOD_Shift | \
357 #define KMOD_TextInput (KMOD_Shift | KMOD_Alt_R)
359 // SDL function definitions
361 boolean SDLSetNativeSurface(SDL_Surface **);
362 SDL_Surface *SDLGetNativeSurface(SDL_Surface *);
363 void SDLCreateBitmapTextures(Bitmap *);
364 void SDLFreeBitmapTextures(Bitmap *);
366 SDL_Surface *SDL_DisplayFormat(SDL_Surface *);
367 void SDLSetWindowScaling(int);
368 void SDLSetWindowScalingQuality(char *);
369 void SDLSetWindowFullscreen(boolean);
370 void SDLSetDisplaySize(void);
371 void SDLSetScreenSizeAndOffsets(int, int);
372 void SDLSetScreenSizeForRenderer(int, int);
373 void SDLSetScreenProperties(void);
375 void SDLSetScreenRenderingMode(char *);
376 void SDLSetScreenVsyncMode(char *);
377 void SDLRedrawWindow(void);
378 void SDLSetWindowTitle(void);
380 void SDLLimitScreenUpdates(boolean);
381 void SDLInitVideoDisplay(void);
382 void SDLInitVideoBuffer(boolean);
383 boolean SDLSetVideoMode(boolean);
384 void SDLCreateBitmapContent(Bitmap *, int, int, int);
385 void SDLFreeBitmapPointers(Bitmap *);
386 void SDLCopyArea(Bitmap *, Bitmap *, int, int, int, int, int, int, int);
387 void SDLBlitTexture(Bitmap *, int, int, int, int, int, int, int);
388 void SDLFillRectangle(Bitmap *, int, int, int, int, Uint32);
389 void SDLFadeRectangle(int, int, int, int, int, int, int,
390 void (*draw_border_function)(void));
391 void SDLDrawSimpleLine(Bitmap *, int, int, int, int, Uint32);
392 void SDLDrawLine(Bitmap *, int, int, int, int, Uint32);
393 Pixel SDLGetPixel(Bitmap *, int, int);
394 void SDLPutPixel(Bitmap *, int, int, Pixel);
396 void SDLInvertArea(Bitmap *, int, int, int, int, Uint32);
397 void SDLCopyInverseMasked(Bitmap *, Bitmap *, int, int, int, int, int, int);
399 Bitmap *SDLZoomBitmap(Bitmap *, int, int);
401 Bitmap *SDLLoadImage(char *);
403 void SDLSetMouseCursor(struct MouseCursorInfo *);
405 void SDLOpenAudio(void);
406 void SDLCloseAudio(void);
408 void SDLWaitEvent(Event *);
410 void HandleJoystickEvent(Event *);
411 void SDLInitJoysticks(void);
412 boolean SDLReadJoystick(int, int *, int *, boolean *, boolean *);
413 boolean SDLCheckJoystickOpened(int);
414 void SDLClearJoystickState(void);
415 boolean SDLOpenJoystick(int);
416 void SDLCloseJoystick(int);
418 void PrepareFadeBitmap(int);
420 void Delay_WithScreenUpdates(unsigned int);