1 (* Copyright (C) Doom 2D: Forever Developers
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, version 3 of the License ONLY.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 {$INCLUDE ../shared/a_modes.inc}
23 function sys_GetTicks (): Int64;
24 procedure sys_Delay (ms
: Integer);
26 (* --- Graphics --- *)
27 function sys_LoadGL
: Boolean;
28 function sys_GetDisplayModes (bpp
: Integer): SSArray
;
29 function sys_SetDisplayMode (w
, h
, bpp
: Integer; fullscreen
, maximized
: Boolean): Boolean;
30 procedure sys_EnableVSync (yes
: Boolean);
31 procedure sys_Repaint
;
34 function sys_HandleInput (): Boolean;
35 procedure sys_RequestQuit
;
45 {$INCLUDE ../nogl/noGLuses.inc}
46 e_log
, e_graphics
, e_input
, e_sound
,
47 g_options
, g_window
, g_console
, g_game
, g_menu
, g_gui
, g_main
, g_basic
;
50 GameTitle
= 'Doom 2D: Forever (SDL 1.2, %s)';
56 JoystickHandle
: array [0..e_MaxJoys
- 1] of PSDL_Joystick
;
57 JoystickHatState
: array [0..e_MaxJoys
- 1, 0..e_MaxJoyHats
- 1, HAT_LEFT
..HAT_DOWN
] of Boolean;
58 JoystickZeroAxes
: array [0..e_MaxJoys
- 1, 0..e_MaxJoyAxes
- 1] of Integer;
60 (* --------- Utils --------- *)
62 function sys_GetTicks (): Int64;
64 result
:= SDL_GetTicks()
67 procedure sys_Delay (ms
: Integer);
72 (* --------- Graphics --------- *)
74 function LoadGL
: Boolean;
79 if glRenderToFBO
and (not nogl_ExtensionSupported('GL_OES_framebuffer_object')) then
81 if glRenderToFBO
and (not Load_GL_ARB_framebuffer_object
) then
84 e_LogWriteln('GL: framebuffer objects not supported; disabling FBO rendering');
85 glRenderToFBO
:= false;
96 procedure UpdateSize (w
, h
: Integer);
102 if glRenderToFBO
then
104 // store real window size in gWinSize, downscale resolution now
105 w
:= round(w
/ r_pixel_scale
);
106 h
:= round(h
/ r_pixel_scale
);
107 e_ResizeFramebuffer(w
, h
);
111 {$IFDEF ENABLE_HOLMES}
115 e_ResizeWindow(w
, h
);
117 g_Game_SetupScreenSize
;
122 function GetTitle (): PChar;
123 var info
: AnsiString;
125 info
:= g_GetBuildHash(false);
126 if info
= 'custom build' then
127 info
:= info
+ ' by ' + g_GetBuilderName() + ' ' + GAME_BUILDDATE
+ ' ' + GAME_BUILDTIME
;
128 result
:= PChar(Format(GameTitle
, [info
]))
131 function InitWindow (w
, h
, bpp
: Integer; fullScreen
: Boolean): Boolean;
134 e_LogWritefln('InitWindow %s %s %s %s', [w
, h
, bpp
, fullScreen
]);
136 SDL_GL_SetAttribute(SDL_GL_RED_SIZE
, 8);
137 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE
, 8);
138 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE
, 8);
139 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE
, 16);
140 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER
, 1);
141 SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE
, 8); // lights; it is enough to have 1-bit stencil buffer for lighting, but...
143 if fullScreen
then flags
:= flags
or SDL_FULLSCREEN
;
144 if userResize
then flags
:= flags
or SDL_VIDEORESIZE
;
145 if (screen
= nil) or (SDL_VideoModeOk(w
, h
, bpp
, flags
) <> 0) then
147 SDL_FreeSurface(screen
);
148 screen
:= SDL_SetVideoMode(w
, h
, bpp
, flags
);
149 if screen
<> nil then
153 e_LogWriteln('GL: unable to load OpenGL functions', TMsgType
.Fatal
);
156 SDL_WM_SetCaption(GetTitle(), nil);
157 gFullScreen
:= fullscreen
;
158 gRC_FullScreen
:= fullscreen
;
165 e_LogWritefln('SDL: video mode not supported', [])
169 procedure sys_Repaint
;
171 if glRenderToFBO
then
172 e_BlitFramebuffer(gWinSizeX
, gWinSizeY
);
176 procedure sys_EnableVSync (yes
: Boolean);
181 function sys_GetDisplayModes (bpp
: Integer): SSArray
;
182 var m
: PPSDL_Rect
; f
: TSDL_PixelFormat
; i
, count
: Integer;
184 SetLength(result
, 0);
185 FillChar(f
, sizeof(f
), 0);
187 f
.BitsPerPixel
:= bpp
;
188 f
.BytesPerPixel
:= (bpp
+ 7) div 8;
189 m
:= SDL_ListModes(@f
, SDL_OPENGL
or SDL_FULLSCREEN
);
190 if (m
<> NIL) and (UIntPtr(m
) <> UIntPtr(-1)) then
193 while m
[count
] <> nil do inc(count
);
194 SetLength(result
, count
);
195 for i
:= 0 to count
- 1 do
196 result
[i
] := IntToStr(m
[i
].w
) + 'x' + IntToStr(m
[i
].h
);
200 function sys_SetDisplayMode (w
, h
, bpp
: Integer; fullscreen
, maximized
: Boolean): Boolean;
202 result
:= InitWindow(w
, h
, bpp
, fullscreen
)
205 (* --------- Joystick --------- *)
207 procedure HandleJoyButton (var ev
: TSDL_JoyButtonEvent
);
208 var down
: Boolean; key
: Integer;
210 if (ev
.which
< e_MaxJoys
) and (ev
.button
< e_MaxJoyBtns
) then
212 key
:= e_JoyButtonToKey(ev
.which
, ev
.button
);
213 down
:= ev
.type_
= SDL_JOYBUTTONDOWN
;
215 e_LogWritefln('Input Debug: jbutton, joy=%s, button=%s, keycode=%s, press=%s', [ev
.which
, ev
.button
, key
, down
]);
216 e_KeyUpDown(key
, down
);
217 g_Console_ProcessBind(key
, down
)
223 down
:= ev
.type_
= SDL_JOYBUTTONDOWN
;
224 e_LogWritefln('Input Debug: NOT IN RANGE! jbutton, joy=%s, button=%s, press=%s', [ev
.which
, ev
.button
, down
])
229 procedure HandleJoyAxis (var ev
: TSDL_JoyAxisEvent
);
230 var key
, minuskey
: Integer;
232 if (ev
.which
< e_MaxJoys
) and (ev
.axis
< e_MaxJoyAxes
) then
234 key
:= e_JoyAxisToKey(ev
.which
, ev
.axis
, AX_PLUS
);
235 minuskey
:= e_JoyAxisToKey(ev
.which
, ev
.axis
, AX_MINUS
);
238 e_LogWritefln('Input Debug: jaxis, joy=%s, axis=%s, value=%s, zeroaxes=%s, deadzone=%s', [ev
.which
, ev
.axis
, ev
.value
, JoystickZeroAxes
[ev
.which
, ev
.axis
], e_JoystickDeadzones
[ev
.which
]]);
240 if ev
.value
< JoystickZeroAxes
[ev
.which
, ev
.axis
] - e_JoystickDeadzones
[ev
.which
] then
242 if (e_KeyPressed(key
)) then
244 e_KeyUpDown(key
, False);
245 g_Console_ProcessBind(key
, False)
247 e_KeyUpDown(minuskey
, True);
248 g_Console_ProcessBind(minuskey
, True)
250 else if ev
.value
> JoystickZeroAxes
[ev
.which
, ev
.axis
] + e_JoystickDeadzones
[ev
.which
] then
252 if (e_KeyPressed(minuskey
)) then
254 e_KeyUpDown(minuskey
, False);
255 g_Console_ProcessBind(minuskey
, False)
257 e_KeyUpDown(key
, True);
258 g_Console_ProcessBind(key
, True)
262 if (e_KeyPressed(minuskey
)) then
264 e_KeyUpDown(minuskey
, False);
265 g_Console_ProcessBind(minuskey
, False)
267 if (e_KeyPressed(key
)) then
269 e_KeyUpDown(key
, False);
270 g_Console_ProcessBind(key
, False)
277 e_LogWritefln('Input Debug: NOT IN RANGE! jaxis, joy=%s, axis=%s, value=%s, zeroaxes=%s, deadzone=%s', [ev
.which
, ev
.axis
, ev
.value
, JoystickZeroAxes
[ev
.which
, ev
.axis
], e_JoystickDeadzones
[ev
.which
]])
281 procedure HandleJoyHat (var ev
: TSDL_JoyHatEvent
);
285 hat
: array [HAT_LEFT
..HAT_DOWN
] of Boolean;
287 if (ev
.which
< e_MaxJoys
) and (ev
.hat
< e_MaxJoyHats
) then
290 e_LogWritefln('Input Debug: jhat, joy=%s, hat=%s, value=%s', [ev
.which
, ev
.hat
, ev
.value
]);
291 hat
[HAT_UP
] := LongBool(ev
.value
and SDL_HAT_UP
);
292 hat
[HAT_DOWN
] := LongBool(ev
.value
and SDL_HAT_DOWN
);
293 hat
[HAT_LEFT
] := LongBool(ev
.value
and SDL_HAT_LEFT
);
294 hat
[HAT_RIGHT
] := LongBool(ev
.value
and SDL_HAT_RIGHT
);
295 for i
:= HAT_LEFT
to HAT_DOWN
do
297 if JoystickHatState
[ev
.which
, ev
.hat
, i
] <> hat
[i
] then
300 key
:= e_JoyHatToKey(ev
.which
, ev
.hat
, i
);
301 e_KeyUpDown(key
, down
);
302 g_Console_ProcessBind(key
, down
)
305 JoystickHatState
[ev
.which
, ev
.hat
] := hat
310 e_LogWritefln('Input Debug: NOT IN RANGE! jhat, joy=%s, hat=%s, value=%s', [ev
.which
, ev
.hat
, ev
.value
])
314 procedure AddJoystick (which
: Integer);
317 assert(which
< e_MaxJoys
);
318 JoystickHandle
[which
] := SDL_JoystickOpen(which
);
319 if JoystickHandle
[which
] <> nil then
321 e_LogWritefln('Added Joystick %s', [which
]);
322 e_JoystickAvailable
[which
] := True;
323 for i
:= 0 to Min(SDL_JoystickNumAxes(JoystickHandle
[which
]), e_MaxJoyAxes
) - 1 do
324 JoystickZeroAxes
[which
, i
] := SDL_JoystickGetAxis(JoystickHandle
[which
], i
)
328 e_LogWritefln('Failed to open Joystick %s', [which
])
332 procedure RemoveJoystick (which
: Integer);
334 assert(which
< e_MaxJoys
);
335 e_LogWritefln('Remove Joystick %s', [which
]);
336 e_JoystickAvailable
[which
] := False;
337 if JoystickHandle
[which
] <> nil then
338 SDL_JoystickClose(JoystickHandle
[which
]);
339 JoystickHandle
[which
] := nil
342 (* --------- Input --------- *)
344 function Key2Stub (key
: Integer): Integer;
348 SDLK_ESCAPE
: x
:= IK_ESCAPE
;
349 SDLK_RETURN
: x
:= IK_RETURN
;
350 SDLK_KP_ENTER
: x
:= IK_KPRETURN
;
351 SDLK_KP0
: x
:= IK_KPINSERT
;
353 SDLK_KP8
: x
:= IK_KPUP
;
354 SDLK_DOWN
: x
:= IK_DOWN
;
355 SDLK_KP2
: x
:= IK_KPDOWN
;
356 SDLK_LEFT
: x
:= IK_LEFT
;
357 SDLK_KP4
: x
:= IK_KPLEFT
;
358 SDLK_RIGHT
: x
:= IK_RIGHT
;
359 SDLK_KP6
: x
:= IK_KPRIGHT
;
360 SDLK_DELETE
: x
:= IK_DELETE
;
361 SDLK_HOME
: x
:= IK_HOME
;
362 SDLK_KP7
: x
:= IK_KPHOME
;
363 SDLK_INSERT
: x
:= IK_INSERT
;
364 SDLK_SPACE
: x
:= IK_SPACE
;
365 SDLK_LSHIFT
: x
:= IK_SHIFT
;
366 SDLK_LALT
: x
:= IK_ALT
;
367 SDLK_TAB
: x
:= IK_TAB
;
368 SDLK_PAGEUP
: x
:= IK_PAGEUP
;
369 SDLK_KP9
: x
:= IK_KPPAGEUP
;
370 SDLK_PAGEDOWN
: x
:= IK_PAGEDN
;
371 SDLK_KP3
: x
:= IK_KPPAGEDN
;
372 SDLK_KP5
: x
:= IK_KP5
;
373 SDLK_NUMLOCK
: x
:= IK_NUMLOCK
;
374 SDLK_KP_DIVIDE
: x
:= IK_KPDIVIDE
;
375 SDLK_KP_MULTIPLY
: x
:= IK_KPMULTIPLE
;
376 SDLK_KP_MINUS
: x
:= IK_KPMINUS
;
377 SDLK_KP_PLUS
: x
:= IK_KPPLUS
;
378 SDLK_KP_PERIOD
: x
:= IK_KPDOT
;
379 SDLK_CAPSLOCK
: x
:= IK_CAPSLOCK
;
380 SDLK_RSHIFT
: x
:= IK_RSHIFT
;
381 SDLK_LCTRL
: x
:= IK_CTRL
;
382 SDLK_RCTRL
: x
:= IK_RCTRL
;
383 SDLK_RALT
: x
:= IK_RALT
;
384 SDLK_LSUPER
: x
:= IK_WIN
;
385 SDLK_RSUPER
: x
:= IK_RWIN
;
386 SDLK_MENU
: x
:= IK_MENU
;
387 SDLK_PRINT
: x
:= IK_PRINTSCR
;
388 SDLK_SCROLLOCK
: x
:= IK_SCROLLLOCK
;
389 SDLK_LEFTBRACKET
: x
:= IK_LBRACKET
;
390 SDLK_RIGHTBRACKET
: x
:= IK_RBRACKET
;
391 SDLK_SEMICOLON
: x
:= IK_SEMICOLON
;
392 SDLK_QUOTE
: x
:= IK_QUOTE
;
393 SDLK_BACKSLASH
: x
:= IK_BACKSLASH
;
394 SDLK_SLASH
: x
:= IK_SLASH
;
395 SDLK_COMMA
: x
:= IK_COMMA
;
396 SDLK_PERIOD
: x
:= IK_DOT
;
397 SDLK_EQUALS
: x
:= IK_EQUALS
;
417 SDLK_F10
: x
:= IK_F10
;
418 SDLK_F11
: x
:= IK_F11
;
419 SDLK_F12
: x
:= IK_F12
;
420 SDLK_END
: x
:= IK_END
;
421 SDLK_KP1
: x
:= IK_KPEND
;
422 SDLK_BACKSPACE
: x
:= IK_BACKSPACE
;
423 SDLK_BACKQUOTE
: x
:= IK_BACKQUOTE
;
424 SDLK_PAUSE
: x
:= IK_PAUSE
;
425 SDLK_A
..SDLK_Z
: x
:= IK_A
+ (key
- SDLK_A
);
426 SDLK_MINUS
: x
:= IK_MINUS
;
427 SDLK_RMETA
: x
:= IK_RMETA
;
428 SDLK_LMETA
: x
:= IK_LMETA
;
435 procedure HandleKeyboard (var ev
: TSDL_KeyboardEvent
);
436 var down
, repeated
: Boolean; key
: Integer; ch
: Char;
438 key
:= Key2Stub(ev
.keysym
.sym
);
439 down
:= (ev
.type_
= SDL_KEYDOWN
);
440 repeated
:= down
and e_KeyPressed(key
);
441 ch
:= wchar2win(WideChar(ev
.keysym
.unicode
));
443 e_LogWritefln('Input Debug: keysym, down=%s, sym=%s, state=%s, unicode=%s, stubsym=%s, cp1251=%s', [down
, ev
.keysym
.sym
, ev
.state
, ev
.keysym
.unicode
, key
, Ord(ch
)]);
446 e_KeyUpDown(key
, down
);
447 g_Console_ProcessBind(key
, down
);
449 else if gConsoleShow
or gChatShow
or (g_ActiveWindow
<> nil) then
451 KeyPress(key
) // key repeat in menus and shit
453 if down
and IsValid1251(ev
.keysym
.unicode
) and IsPrintable1251(ch
) then
457 procedure HandleResize (var ev
: TSDL_ResizeEvent
);
460 e_LogWritefln('Input Debug: SDL_VIDEORESIZE %s %s', [ev
.w
, ev
.h
]);
461 if modeResize
= 1 then
462 UpdateSize(ev
.w
, ev
.h
)
463 else if modeResize
> 1 then
464 InitWindow(ev
.w
, ev
.h
, gBPP
, gFullscreen
)
467 function sys_HandleInput (): Boolean;
471 while SDL_PollEvent(@ev
) <> 0 do
474 SDL_QUITEV
: result
:= true;
475 SDL_VIDEORESIZE
: HandleResize(ev
.resize
);
476 SDL_KEYUP
, SDL_KEYDOWN
: HandleKeyboard(ev
.key
);
477 SDL_JOYBUTTONDOWN
, SDL_JOYBUTTONUP
: HandleJoyButton(ev
.jbutton
);
478 SDL_JOYAXISMOTION
: HandleJoyAxis(ev
.jaxis
);
479 SDL_JOYHATMOTION
: HandleJoyHat(ev
.jhat
);
480 SDL_VIDEOEXPOSE
: sys_Repaint
;
481 SDL_ACTIVEEVENT
: e_MuteChannels((ev
.active
.gain
= 0) and gMuteWhenInactive
);
486 procedure sys_RequestQuit
;
489 ev
.quit
.type_
:= SDL_QUITEV
;
493 (* --------- Init --------- *)
496 var flags
: Uint32
; i
: Integer;
498 e_WriteLog('Init SDL', TMsgType
.Notify
);
499 flags
:= SDL_INIT_VIDEO
or SDL_INIT_AUDIO
or
500 SDL_INIT_TIMER
or SDL_INIT_JOYSTICK
501 (*or SDL_INIT_NOPARACHUTE*);
502 if SDL_Init(flags
) <> 0 then
503 raise Exception
.Create('SDL: Init failed: ' + SDL_GetError
);
504 SDL_EnableUNICODE(1);
505 SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY
, SDL_DEFAULT_REPEAT_INTERVAL
);
506 for i
:= 0 to e_MaxJoys
- 1 do
513 e_WriteLog('Releasing SDL', TMsgType
.Notify
);
514 for i
:= 0 to e_MaxJoys
- 1 do
516 if screen
<> nil then
519 SDL_FreeSurface(screen
)
525 (* window resize are broken both on linux and osx, so disabled by default *)
526 conRegVar('sdl_allow_resize', @userResize
, 'allow to resize window by user', 'allow to resize window by user');
527 conRegVar('sdl_resize_action', @modeResize
, 'set window resize mode (0: ignore, 1: change, 2: reset)', '');