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