src/libgame/sdl.h

   1 // ============================================================================
   2 // Artsoft Retro-Game Library
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // sdl.h
  10 // ============================================================================
  11
  12 #ifndef SDL_H
  13 #define SDL_H
  14
  15 #include <SDL.h>
  16 #include <SDL_image.h>
  17 #include <SDL_mixer.h>
  18 #include <SDL_net.h>
  19 #include <SDL_thread.h>
  20 #if defined(PLATFORM_WINDOWS)
  21 #include <SDL_syswm.h>
  22 #endif
  23
  24 // definitions needed for "system.c"
  25
  26 #define SURFACE_FLAGS           (SDL_WINDOW_RESIZABLE)
  27
  28 #define SET_TRANSPARENT_PIXEL   (SDL_TRUE)
  29 #define UNSET_TRANSPARENT_PIXEL (SDL_FALSE)
  30
  31 // system dependent definitions
  32
  33 #define TARGET_STRING           "SDL2"
  34
  35 #if defined(PLATFORM_ANDROID)
  36 #define WINDOW_SCALING_STATUS   WINDOW_SCALING_NOT_AVAILABLE
  37 #define FULLSCREEN_STATUS       FULLSCREEN_AVAILABLE
  38 #else
  39 #define WINDOW_SCALING_STATUS   WINDOW_SCALING_AVAILABLE
  40 #define FULLSCREEN_STATUS       FULLSCREEN_AVAILABLE
  41 #endif
  42
  43 #define CURSOR_MAX_WIDTH        32
  44 #define CURSOR_MAX_HEIGHT       32
  45
  46
  47 // SDL type definitions
  48
  49 typedef struct SDLSurfaceInfo   Bitmap;
  50 typedef struct SDLSurfaceInfo   DrawBuffer;
  51 typedef struct SDLSurfaceInfo   DrawWindow;
  52 typedef Uint32                  Pixel;
  53 typedef SDL_Cursor             *Cursor;
  54
  55 typedef SDL_Keycode             Key;
  56 typedef SDL_Keymod              KeyMod;
  57
  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
  68 typedef SDL_EventFilter         EventFilter;
  69
  70
  71 // structure definitions
  72
  73 struct SDLSurfaceInfo
  74 {
  75   char *source_filename;
  76
  77   int width, height;
  78
  79   int alpha[2][2];              // [surface|texture][opaque|masked]
  80   int alpha_next_blit;
  81
  82   SDL_Surface *surface;
  83   SDL_Surface *surface_masked;
  84   SDL_Texture *texture;
  85   SDL_Texture *texture_masked;
  86 };
  87
  88 struct MouseCursorInfo
  89 {
  90   int width, height;
  91   int hot_x, hot_y;
  92
  93   byte data[CURSOR_MAX_WIDTH * CURSOR_MAX_HEIGHT / 8];
  94   byte mask[CURSOR_MAX_WIDTH * CURSOR_MAX_HEIGHT / 8];
  95 };
  96
  97 struct UserEventInfo
  98 {
  99   // same as in "struct SDL_UserEvent"
 100   Uint32 type;
 101   Uint32 timestamp;
 102   Uint32 windowID;
 103   Sint32 code;
 104
 105   // changed to use integer values instead of void pointers
 106   Uint32 value1;
 107   Uint32 value2;
 108 };
 109
 110 typedef struct UserEventInfo    UserEvent;
 111
 112
 113 // SDL symbol definitions
 114
 115 #define None                    0L
 116
 117 #define BLACK_PIXEL             0x000000
 118 #define WHITE_PIXEL             0xffffff
 119
 120 #define EVENT_BUTTONPRESS       SDL_MOUSEBUTTONDOWN
 121 #define EVENT_BUTTONRELEASE     SDL_MOUSEBUTTONUP
 122 #define EVENT_MOTIONNOTIFY      SDL_MOUSEMOTION
 123 #define EVENT_WHEELMOTION       SDL_MOUSEWHEEL
 124 #define EVENT_FINGERPRESS       SDL_FINGERDOWN
 125 #define EVENT_FINGERRELEASE     SDL_FINGERUP
 126 #define EVENT_FINGERMOTION      SDL_FINGERMOTION
 127 #define EVENT_TEXTINPUT         SDL_TEXTINPUT
 128 #define EVENT_KEYPRESS          SDL_KEYDOWN
 129 #define EVENT_KEYRELEASE        SDL_KEYUP
 130 #define EVENT_USER              SDL_USEREVENT
 131 #define EVENT_QUIT              SDL_QUIT
 132
 133 #define KSYM_UNDEFINED          SDLK_UNKNOWN
 134
 135 #define KSYM_Return             SDLK_RETURN
 136 #define KSYM_Escape             SDLK_ESCAPE
 137
 138 #define KSYM_Left               SDLK_LEFT
 139 #define KSYM_Right              SDLK_RIGHT
 140 #define KSYM_Up                 SDLK_UP
 141 #define KSYM_Down               SDLK_DOWN
 142
 143 #ifdef SDLK_KP_LEFT
 144 #define KSYM_KP_Left            SDLK_KP_LEFT
 145 #define KSYM_KP_Right           SDLK_KP_RIGHT
 146 #define KSYM_KP_Up              SDLK_KP_UP
 147 #define KSYM_KP_Down            SDLK_KP_DOWN
 148 #endif
 149
 150 #define KSYM_KP_Enter           SDLK_KP_ENTER
 151 #define KSYM_KP_Add             SDLK_KP_PLUS
 152 #define KSYM_KP_Subtract        SDLK_KP_MINUS
 153 #define KSYM_KP_Multiply        SDLK_KP_MULTIPLY
 154 #define KSYM_KP_Divide          SDLK_KP_DIVIDE
 155 #define KSYM_KP_Separator       SDLK_KP_PERIOD
 156
 157 #define KSYM_Shift_L            SDLK_LSHIFT
 158 #define KSYM_Shift_R            SDLK_RSHIFT
 159 #define KSYM_Control_L          SDLK_LCTRL
 160 #define KSYM_Control_R          SDLK_RCTRL
 161
 162 #define KSYM_Meta_L             SDLK_LGUI
 163 #define KSYM_Meta_R             SDLK_RGUI
 164
 165 #define KSYM_Alt_L              SDLK_LALT
 166 #define KSYM_Alt_R              SDLK_RALT
 167 #define KSYM_Mode_switch        SDLK_MODE
 168 #define KSYM_Multi_key          SDLK_RCTRL
 169
 170 #define KSYM_BackSpace          SDLK_BACKSPACE
 171 #define KSYM_Delete             SDLK_DELETE
 172 #define KSYM_Insert             SDLK_INSERT
 173 #define KSYM_Tab                SDLK_TAB
 174 #define KSYM_Home               SDLK_HOME
 175 #define KSYM_End                SDLK_END
 176 #define KSYM_Page_Up            SDLK_PAGEUP
 177 #define KSYM_Page_Down          SDLK_PAGEDOWN
 178
 179 #define KSYM_Select             SDLK_SELECT
 180 #define KSYM_Menu               SDLK_MENU
 181 #define KSYM_Back               SDLK_AC_BACK
 182 #define KSYM_PlayPause          SDLK_AUDIOPLAY
 183 #if defined(PLATFORM_ANDROID)
 184 #define KSYM_Rewind             SDLK_AUDIOREWIND
 185 #define KSYM_FastForward        SDLK_AUDIOFASTFORWARD
 186 #endif
 187
 188 #define KSYM_space              SDLK_SPACE
 189 #define KSYM_exclam             SDLK_EXCLAIM
 190 #define KSYM_quotedbl           SDLK_QUOTEDBL
 191 #define KSYM_numbersign         SDLK_HASH
 192 #define KSYM_dollar             SDLK_DOLLAR
 193 #define KSYM_percent            SDLK_PERCENT
 194 #define KSYM_ampersand          SDLK_AMPERSAND
 195 #define KSYM_apostrophe         SDLK_QUOTE
 196 #define KSYM_parenleft          SDLK_LEFTPAREN
 197 #define KSYM_parenright         SDLK_RIGHTPAREN
 198 #define KSYM_asterisk           SDLK_ASTERISK
 199 #define KSYM_plus               SDLK_PLUS
 200 #define KSYM_comma              SDLK_COMMA
 201 #define KSYM_minus              SDLK_MINUS
 202 #define KSYM_period             SDLK_PERIOD
 203 #define KSYM_slash              SDLK_SLASH
 204
 205 #define KSYM_colon              SDLK_COLON
 206 #define KSYM_semicolon          SDLK_SEMICOLON
 207 #define KSYM_less               SDLK_LESS
 208 #define KSYM_equal              SDLK_EQUALS
 209 #define KSYM_greater            SDLK_GREATER
 210 #define KSYM_question           SDLK_QUESTION
 211 #define KSYM_at                 SDLK_AT
 212
 213 #define KSYM_bracketleft        SDLK_LEFTBRACKET
 214 #define KSYM_backslash          SDLK_BACKSLASH
 215 #define KSYM_bracketright       SDLK_RIGHTBRACKET
 216 #define KSYM_asciicircum        SDLK_CARET
 217 #define KSYM_underscore         SDLK_UNDERSCORE
 218 #define KSYM_grave              SDLK_BACKQUOTE
 219
 220 #define KSYM_quoteleft          KSYM_UNDEFINED          // undefined
 221 #define KSYM_braceleft          KSYM_UNDEFINED          // undefined
 222 #define KSYM_bar                KSYM_UNDEFINED          // undefined
 223 #define KSYM_braceright         KSYM_UNDEFINED          // undefined
 224 #define KSYM_asciitilde         KSYM_UNDEFINED          // undefined
 225
 226 #define KSYM_degree             176
 227 #define KSYM_Adiaeresis         196
 228 #define KSYM_Odiaeresis         214
 229 #define KSYM_Udiaeresis         220
 230 #define KSYM_adiaeresis         228
 231 #define KSYM_odiaeresis         246
 232 #define KSYM_udiaeresis         252
 233 #define KSYM_ssharp             223
 234
 235 #ifndef SDLK_A
 236 #define SDLK_A                  65
 237 #define SDLK_B                  66
 238 #define SDLK_C                  67
 239 #define SDLK_D                  68
 240 #define SDLK_E                  69
 241 #define SDLK_F                  70
 242 #define SDLK_G                  71
 243 #define SDLK_H                  72
 244 #define SDLK_I                  73
 245 #define SDLK_J                  74
 246 #define SDLK_K                  75
 247 #define SDLK_L                  76
 248 #define SDLK_M                  77
 249 #define SDLK_N                  78
 250 #define SDLK_O                  79
 251 #define SDLK_P                  80
 252 #define SDLK_Q                  81
 253 #define SDLK_R                  82
 254 #define SDLK_S                  83
 255 #define SDLK_T                  84
 256 #define SDLK_U                  85
 257 #define SDLK_V                  86
 258 #define SDLK_W                  87
 259 #define SDLK_X                  88
 260 #define SDLK_Y                  89
 261 #define SDLK_Z                  90
 262 #endif
 263
 264 #define KSYM_A                  SDLK_A
 265 #define KSYM_B                  SDLK_B
 266 #define KSYM_C                  SDLK_C
 267 #define KSYM_D                  SDLK_D
 268 #define KSYM_E                  SDLK_E
 269 #define KSYM_F                  SDLK_F
 270 #define KSYM_G                  SDLK_G
 271 #define KSYM_H                  SDLK_H
 272 #define KSYM_I                  SDLK_I
 273 #define KSYM_J                  SDLK_J
 274 #define KSYM_K                  SDLK_K
 275 #define KSYM_L                  SDLK_L
 276 #define KSYM_M                  SDLK_M
 277 #define KSYM_N                  SDLK_N
 278 #define KSYM_O                  SDLK_O
 279 #define KSYM_P                  SDLK_P
 280 #define KSYM_Q                  SDLK_Q
 281 #define KSYM_R                  SDLK_R
 282 #define KSYM_S                  SDLK_S
 283 #define KSYM_T                  SDLK_T
 284 #define KSYM_U                  SDLK_U
 285 #define KSYM_V                  SDLK_V
 286 #define KSYM_W                  SDLK_W
 287 #define KSYM_X                  SDLK_X
 288 #define KSYM_Y                  SDLK_Y
 289 #define KSYM_Z                  SDLK_Z
 290
 291 #define KSYM_a                  SDLK_a
 292 #define KSYM_b                  SDLK_b
 293 #define KSYM_c                  SDLK_c
 294 #define KSYM_d                  SDLK_d
 295 #define KSYM_e                  SDLK_e
 296 #define KSYM_f                  SDLK_f
 297 #define KSYM_g                  SDLK_g
 298 #define KSYM_h                  SDLK_h
 299 #define KSYM_i                  SDLK_i
 300 #define KSYM_j                  SDLK_j
 301 #define KSYM_k                  SDLK_k
 302 #define KSYM_l                  SDLK_l
 303 #define KSYM_m                  SDLK_m
 304 #define KSYM_n                  SDLK_n
 305 #define KSYM_o                  SDLK_o
 306 #define KSYM_p                  SDLK_p
 307 #define KSYM_q                  SDLK_q
 308 #define KSYM_r                  SDLK_r
 309 #define KSYM_s                  SDLK_s
 310 #define KSYM_t                  SDLK_t
 311 #define KSYM_u                  SDLK_u
 312 #define KSYM_v                  SDLK_v
 313 #define KSYM_w                  SDLK_w
 314 #define KSYM_x                  SDLK_x
 315 #define KSYM_y                  SDLK_y
 316 #define KSYM_z                  SDLK_z
 317
 318 #define KSYM_0                  SDLK_0
 319 #define KSYM_1                  SDLK_1
 320 #define KSYM_2                  SDLK_2
 321 #define KSYM_3                  SDLK_3
 322 #define KSYM_4                  SDLK_4
 323 #define KSYM_5                  SDLK_5
 324 #define KSYM_6                  SDLK_6
 325 #define KSYM_7                  SDLK_7
 326 #define KSYM_8                  SDLK_8
 327 #define KSYM_9                  SDLK_9
 328
 329 #define KSYM_KP_0               SDLK_KP_0
 330 #define KSYM_KP_1               SDLK_KP_1
 331 #define KSYM_KP_2               SDLK_KP_2
 332 #define KSYM_KP_3               SDLK_KP_3
 333 #define KSYM_KP_4               SDLK_KP_4
 334 #define KSYM_KP_5               SDLK_KP_5
 335 #define KSYM_KP_6               SDLK_KP_6
 336 #define KSYM_KP_7               SDLK_KP_7
 337 #define KSYM_KP_8               SDLK_KP_8
 338 #define KSYM_KP_9               SDLK_KP_9
 339
 340 #define KSYM_F1                 SDLK_F1
 341 #define KSYM_F2                 SDLK_F2
 342 #define KSYM_F3                 SDLK_F3
 343 #define KSYM_F4                 SDLK_F4
 344 #define KSYM_F5                 SDLK_F5
 345 #define KSYM_F6                 SDLK_F6
 346 #define KSYM_F7                 SDLK_F7
 347 #define KSYM_F8                 SDLK_F8
 348 #define KSYM_F9                 SDLK_F9
 349 #define KSYM_F10                SDLK_F10
 350 #define KSYM_F11                SDLK_F11
 351 #define KSYM_F12                SDLK_F12
 352
 353 #define KSYM_FKEY_FIRST         KSYM_F1
 354 #define KSYM_FKEY_LAST          KSYM_F12
 355 #define KSYM_NUM_FKEYS          (KSYM_FKEY_LAST - KSYM_FKEY_FIRST + 1)
 356
 357 #define KSYM_RAW(k)             (((k) >= KSYM_a &&                      \
 358                                   (k) <= KSYM_z)        ||              \
 359                                  ((k) >= KSYM_0 &&                      \
 360                                   (k) <= KSYM_9)        ||              \
 361                                  (k) == KSYM_space)
 362
 363 #define KSYM_PRINTABLE(k)       (((k) >= KSYM_space &&                  \
 364                                   (k) <= KSYM_z)        ||              \
 365                                  (k) == KSYM_Adiaeresis ||              \
 366                                  (k) == KSYM_Odiaeresis ||              \
 367                                  (k) == KSYM_Udiaeresis ||              \
 368                                  (k) == KSYM_adiaeresis ||              \
 369                                  (k) == KSYM_odiaeresis ||              \
 370                                  (k) == KSYM_udiaeresis)
 371
 372 #define KMOD_None               KMOD_NONE
 373 #define KMOD_Shift_L            KMOD_LSHIFT
 374 #define KMOD_Shift_R            KMOD_RSHIFT
 375 #define KMOD_Control_L          KMOD_LCTRL
 376 #define KMOD_Control_R          KMOD_RCTRL
 377 #define KMOD_Meta_L             KMOD_LGUI
 378 #define KMOD_Meta_R             KMOD_RGUI
 379 #define KMOD_Alt_L              KMOD_LALT
 380 #define KMOD_Alt_R              KMOD_RALT
 381
 382 #define KMOD_Shift              (KMOD_Shift_L   | KMOD_Shift_R)
 383 #define KMOD_Control            (KMOD_Control_L | KMOD_Control_R)
 384 #define KMOD_Meta               (KMOD_Meta_L    | KMOD_Meta_R)
 385 #define KMOD_Alt                (KMOD_Alt_L     | KMOD_Alt_R)
 386
 387 // this only contains "valid" key modifiers (and ignores keys like "NumLock")
 388 #define KMOD_Valid              (KMOD_Shift   | \
 389                                  KMOD_Control | \
 390                                  KMOD_Meta    | \
 391                                  KMOD_Alt)
 392
 393 #define KMOD_TextInput          (KMOD_Shift | KMOD_Alt_R)
 394
 395
 396 // SDL function definitions
 397
 398 void SDLSetAlpha(SDL_Surface *, boolean, int);
 399 const char *SDLGetRendererName(void);
 400 boolean SDLSetNativeSurface(SDL_Surface **);
 401 SDL_Surface *SDLGetNativeSurface(SDL_Surface *);
 402 void SDLCreateBitmapTextures(Bitmap *);
 403 void SDLFreeBitmapTextures(Bitmap *);
 404
 405 SDL_Surface *SDL_DisplayFormat(SDL_Surface *);
 406 void SDLSetWindowScaling(int);
 407 void SDLSetWindowScalingQuality(char *);
 408 void SDLSetWindowFullscreen(boolean);
 409 void SDLSetDisplaySize(void);
 410 void SDLSetScreenSizeAndOffsets(int, int);
 411 void SDLSetScreenSizeForRenderer(int, int);
 412 void SDLSetScreenProperties(void);
 413
 414 void SDLSetScreenRenderingMode(char *);
 415 void SDLSetScreenVsyncMode(char *);
 416 void SDLRedrawWindow(void);
 417 void SDLSetWindowTitle(void);
 418
 419 void SDLLimitScreenUpdates(boolean);
 420 void SDLInitVideoDisplay(void);
 421 void SDLInitVideoBuffer(boolean);
 422 boolean SDLSetVideoMode(boolean);
 423 void SDLCreateBitmapContent(Bitmap *, int, int, int);
 424 void SDLFreeBitmapPointers(Bitmap *);
 425 void SDLCopyArea(Bitmap *, Bitmap *, int, int, int, int, int, int, int);
 426 void SDLBlitTexture(Bitmap *, int, int, int, int, int, int, int);
 427 void SDLFillRectangle(Bitmap *, int, int, int, int, Uint32);
 428 void SDLFadeRectangle(int, int, int, int, int, int, int,
 429                       void (*draw_border_function)(void));
 430 void SDLDrawSimpleLine(Bitmap *, int, int, int, int, Uint32);
 431 void SDLDrawLine(Bitmap *, int, int, int, int, Uint32);
 432 Pixel SDLGetPixel(Bitmap *, int, int);
 433 void SDLPutPixel(Bitmap *, int, int, Pixel);
 434
 435 void SDLCopyInverseMasked(Bitmap *, Bitmap *, int, int, int, int, int, int);
 436
 437 Bitmap *SDLZoomBitmap(Bitmap *, int, int);
 438
 439 Bitmap *SDLLoadImage(char *);
 440
 441 void SDLSetMouseCursor(struct MouseCursorInfo *);
 442
 443 void SDLOpenAudio(void);
 444 void SDLCloseAudio(void);
 445
 446 void SDLWaitEvent(Event *);
 447 void SDLCorrectRawMousePosition(int *, int *);
 448
 449 void HandleJoystickEvent(Event *);
 450 void SDLInitJoysticks(void);
 451 boolean SDLReadJoystick(int, int *, int *, boolean *, boolean *);
 452 boolean SDLCheckJoystickOpened(int);
 453 void SDLClearJoystickState(void);
 454 boolean SDLOpenJoystick(int);
 455 void SDLCloseJoystick(int);
 456
 457 void PrepareFadeBitmap(int);
 458
 459 void Delay_WithScreenUpdates(unsigned int);
 460
 461 #endif // SDL_H