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 {$INCLUDE ../shared/a_modes.inc}
23 function sys_GetTicks (): Int64;
24 procedure sys_Delay (ms
: Integer);
26 (* --- Graphics --- *)
27 function sys_GetDisplayModes (bpp
: Integer): SSArray
;
28 function sys_SetDisplayMode (w
, h
, bpp
: Integer; fullscreen
, maximized
: Boolean): Boolean;
29 procedure sys_EnableVSync (yes
: Boolean);
30 procedure sys_Repaint
;
33 function sys_HandleInput (): Boolean;
34 procedure sys_RequestQuit
;
41 sys_CharPress
: procedure (ch
: AnsiChar) = nil;
46 SysUtils
, SDL2
, Math
, ctypes
,
47 e_log
, r_graphics
, e_input
, e_sound
,
48 {$INCLUDE ../nogl/noGLuses.inc}
49 {$IFDEF ENABLE_HOLMES}
50 g_holmes
, sdlcarcass
, fui_ctls
,
52 g_touch
, g_options
, g_console
, g_game
, g_menu
, g_gui
, g_basic
;
55 GameTitle
= 'Doom 2D: Forever (SDL 2, %s)';
59 context
: TSDL_GLContext
;
60 display
, wx
, wy
: Integer;
62 JoystickHandle
: array [0..e_MaxJoys
- 1] of PSDL_Joystick
;
63 JoystickHatState
: array [0..e_MaxJoys
- 1, 0..e_MaxJoyHats
- 1, HAT_LEFT
..HAT_DOWN
] of Boolean;
64 JoystickZeroAxes
: array [0..e_MaxJoys
- 1, 0..e_MaxJoyAxes
- 1] of Integer;
66 (* --------- Utils --------- *)
68 function sys_GetTicks (): Int64;
70 result
:= SDL_GetTicks()
73 procedure sys_Delay (ms
: Integer);
78 (* --------- Graphics --------- *)
80 function LoadGL
: Boolean;
85 if glRenderToFBO
and (not nogl_ExtensionSupported('GL_OES_framebuffer_object')) then
87 if glRenderToFBO
and (not Load_GL_ARB_framebuffer_object
) then
90 e_LogWriteln('GL: framebuffer objects not supported; disabling FBO rendering');
91 glRenderToFBO
:= false;
102 procedure UpdateSize (w
, h
: Integer);
108 if glRenderToFBO
then
110 // store real window size in gWinSize, downscale resolution now
111 w
:= round(w
/ r_pixel_scale
);
112 h
:= round(h
/ r_pixel_scale
);
113 if not e_ResizeFramebuffer(w
, h
) then
115 e_LogWriteln('GL: could not create framebuffer, falling back to --no-fbo');
116 glRenderToFBO
:= False;
123 {$IFDEF ENABLE_HOLMES}
127 e_ResizeWindow(w
, h
);
129 g_Game_SetupScreenSize
;
131 (* This will fix menu reset on keyboard showing *)
135 {$IFDEF ENABLE_HOLMES}
136 if assigned(oglInitCB
) then oglInitCB
;
140 function GetTitle (): PChar;
141 var info
: AnsiString;
143 info
:= g_GetBuildHash(false);
144 if info
= 'custom build' then
145 info
:= info
+ ' by ' + g_GetBuilderName() + ' ' + GAME_BUILDDATE
+ ' ' + GAME_BUILDTIME
;
146 result
:= PChar(Format(GameTitle
, [info
]))
149 function InitWindow (w
, h
, bpp
: Integer; fullScreen
, maximized
: Boolean): Boolean;
150 var flags
: UInt32
; x
, y
: cint
;
152 // note: on window close make: if assigned(oglDeinitCB) then oglDeinitCB;
153 e_LogWritefln('InitWindow %s %s %s %s', [w
, h
, bpp
, fullScreen
]);
158 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION
, 1);
159 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION
, 1);
160 SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK
, SDL_GL_CONTEXT_PROFILE_ES
);
162 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION
, 2);
163 SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION
, 1);
164 SDL_GL_SetAttribute(SDL_GL_RED_SIZE
, 8);
165 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE
, 8);
166 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE
, 8);
167 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE
, 16);
168 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER
, 1);
169 SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE
, 8); // lights; it is enough to have 1-bit stencil buffer for lighting, but...
171 flags
:= SDL_WINDOW_OPENGL
or SDL_WINDOW_RESIZABLE
;
172 if fullScreen
then flags
:= flags
or SDL_WINDOW_FULLSCREEN
;
173 if maximized
then flags
:= flags
or SDL_WINDOW_MAXIMIZED
;
176 x
:= SDL_WINDOWPOS_CENTERED
;
177 y
:= SDL_WINDOWPOS_CENTERED
184 window
:= SDL_CreateWindow(GetTitle(), x
, y
, w
, h
, flags
);
185 if window
<> nil then
187 context
:= SDL_GL_CreateContext(window
);
188 if context
<> nil then
192 e_LogWriteln('GL: unable to load OpenGL functions', TMsgType
.Fatal
);
193 SDL_GL_DeleteContext(context
); context
:= nil;
196 if (fullscreen
= false) and (maximized
= false) and (wc
= false) then
198 SDL_GetWindowPosition(window
, @x
, @y
);
201 gFullScreen
:= fullscreen
;
202 gWinMaximized
:= maximized
;
203 gRC_FullScreen
:= fullscreen
;
204 gRC_Maximized
:= maximized
;
210 // SDL_DestroyWindow(window);
211 e_LogWritefln('SDL: unable to create OpenGL context: %s', [SDL_GetError
])
216 e_LogWritefln('SDL: unable to create window: %s', [SDL_GetError
])
221 if fullScreen
then flags
:= SDL_WINDOW_FULLSCREEN
else flags
:= 0;
222 SDL_SetWindowFullscreen(window
, flags
);
223 SDL_SetWindowSize(window
, w
, h
);
224 if maximized
then SDL_MaximizeWindow(window
);
225 // always reset to center when changing fullscreen->windowed for safety purposes
226 if wc
or (gFullscreen
and not fullscreen
) or (gWinMaximized
and not maximized
) then
228 x
:= SDL_WINDOWPOS_CENTERED
;
229 y
:= SDL_WINDOWPOS_CENTERED
236 SDL_SetWindowPosition(window
, x
, y
);
237 if (fullscreen
= false) and (maximized
= false) and (wc
= false) then
239 SDL_GetWindowPosition(window
, @x
, @y
);
242 gFullScreen
:= fullscreen
;
243 gWinMaximized
:= maximized
;
244 gRC_FullScreen
:= fullscreen
;
245 gRC_Maximized
:= maximized
;
251 procedure sys_Repaint
;
253 SDL_GL_SwapWindow(window
)
256 procedure sys_EnableVSync (yes
: Boolean);
259 SDL_GL_SetSwapInterval(1)
261 SDL_GL_SetSwapInterval(0)
264 function sys_GetDisplayModes (bpp
: Integer): SSArray
;
265 var i
, count
, num
, pw
, ph
: Integer; m
: TSDL_DisplayMode
;
268 num
:= SDL_GetNumDisplayModes(display
);
270 e_LogWritefln('SDL: unable to get numer of available display modes: %s', [SDL_GetError
]);
273 e_LogWritefln('Video modes for display %s:', [display
]);
274 SetLength(result
, num
);
275 i
:= 0; count
:= 0; pw
:= 0; ph
:= 0;
278 SDL_GetDisplayMode(display
, i
, @m
);
279 if ((pw
<> m
.w
) or (ph
<> m
.h
)) then
281 e_LogWritefln('* %sx%sx%s@%s', [m
.w
, m
.h
, SDL_BITSPERPIXEL(m
.format
), m
.refresh_rate
]);
282 pw
:= m
.w
; ph
:= m
.h
;
283 result
[count
] := IntToStr(m
.w
) + 'x' + IntToStr(m
.h
);
288 e_LogWritefln('- %sx%sx%s@%s', [m
.w
, m
.h
, SDL_BITSPERPIXEL(m
.format
), m
.refresh_rate
]);
292 SetLength(result
, count
)
296 function sys_SetDisplayMode (w
, h
, bpp
: Integer; fullScreen
, maximized
: Boolean): Boolean;
298 result
:= InitWindow(w
, h
, bpp
, fullScreen
, maximized
)
301 (* --------- Joystick --------- *)
303 procedure HandleJoyButton (var ev
: TSDL_JoyButtonEvent
);
304 var down
: Boolean; key
: Integer;
306 if (ev
.which
< e_MaxJoys
) and (ev
.button
< e_MaxJoyBtns
) then
308 key
:= e_JoyButtonToKey(ev
.which
, ev
.button
);
309 down
:= ev
.type_
= SDL_JOYBUTTONDOWN
;
311 e_LogWritefln('Input Debug: jbutton, joy=%s, button=%s, keycode=%s, press=%s', [ev
.which
, ev
.button
, key
, down
]);
312 e_KeyUpDown(key
, down
);
313 g_Console_ProcessBind(key
, down
)
319 down
:= ev
.type_
= SDL_JOYBUTTONDOWN
;
320 e_LogWritefln('Input Debug: NOT IN RANGE! jbutton, joy=%s, button=%s, press=%s', [ev
.which
, ev
.button
, down
])
325 procedure HandleJoyAxis (var ev
: TSDL_JoyAxisEvent
);
326 var key
, minuskey
: Integer;
328 if (ev
.which
< e_MaxJoys
) and (ev
.axis
< e_MaxJoyAxes
) then
330 key
:= e_JoyAxisToKey(ev
.which
, ev
.axis
, AX_PLUS
);
331 minuskey
:= e_JoyAxisToKey(ev
.which
, ev
.axis
, AX_MINUS
);
334 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
]]);
336 if ev
.value
< JoystickZeroAxes
[ev
.which
, ev
.axis
] - e_JoystickDeadzones
[ev
.which
] then
338 if (e_KeyPressed(key
)) then
340 e_KeyUpDown(key
, False);
341 g_Console_ProcessBind(key
, False)
343 e_KeyUpDown(minuskey
, True);
344 g_Console_ProcessBind(minuskey
, True)
346 else if ev
.value
> JoystickZeroAxes
[ev
.which
, ev
.axis
] + e_JoystickDeadzones
[ev
.which
] then
348 if (e_KeyPressed(minuskey
)) then
350 e_KeyUpDown(minuskey
, False);
351 g_Console_ProcessBind(minuskey
, False)
353 e_KeyUpDown(key
, True);
354 g_Console_ProcessBind(key
, True)
358 if (e_KeyPressed(minuskey
)) then
360 e_KeyUpDown(minuskey
, False);
361 g_Console_ProcessBind(minuskey
, False)
363 if (e_KeyPressed(key
)) then
365 e_KeyUpDown(key
, False);
366 g_Console_ProcessBind(key
, False)
373 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
]])
377 procedure HandleJoyHat (var ev
: TSDL_JoyHatEvent
);
381 hat
: array [HAT_LEFT
..HAT_DOWN
] of Boolean;
383 if (ev
.which
< e_MaxJoys
) and (ev
.hat
< e_MaxJoyHats
) then
386 e_LogWritefln('Input Debug: jhat, joy=%s, hat=%s, value=%s', [ev
.which
, ev
.hat
, ev
.value
]);
387 hat
[HAT_UP
] := LongBool(ev
.value
and SDL_HAT_UP
);
388 hat
[HAT_DOWN
] := LongBool(ev
.value
and SDL_HAT_DOWN
);
389 hat
[HAT_LEFT
] := LongBool(ev
.value
and SDL_HAT_LEFT
);
390 hat
[HAT_RIGHT
] := LongBool(ev
.value
and SDL_HAT_RIGHT
);
391 for i
:= HAT_LEFT
to HAT_DOWN
do
393 if JoystickHatState
[ev
.which
, ev
.hat
, i
] <> hat
[i
] then
396 key
:= e_JoyHatToKey(ev
.which
, ev
.hat
, i
);
397 e_KeyUpDown(key
, down
);
398 g_Console_ProcessBind(key
, down
)
401 JoystickHatState
[ev
.which
, ev
.hat
] := hat
406 e_LogWritefln('Input Debug: NOT IN RANGE! jhat, joy=%s, hat=%s, value=%s', [ev
.which
, ev
.hat
, ev
.value
])
410 procedure HandleJoyAdd (var ev
: TSDL_JoyDeviceEvent
);
413 if (ev
.which
< e_MaxJoys
) then
415 JoystickHandle
[ev
.which
] := SDL_JoystickOpen(ev
.which
);
416 if JoystickHandle
[ev
.which
] <> nil then
418 e_LogWritefln('Added Joystick %s', [ev
.which
]);
419 e_JoystickAvailable
[ev
.which
] := True;
420 for i
:= 0 to Min(SDL_JoystickNumAxes(JoystickHandle
[ev
.which
]), e_MaxJoyAxes
) - 1 do
421 JoystickZeroAxes
[ev
.which
, i
] := SDL_JoystickGetAxis(JoystickHandle
[ev
.which
], i
)
425 e_LogWritefln('Warning! Failed to open Joystick %s', [ev
.which
])
430 e_LogWritefln('Warning! Added Joystick %s, but we support only <= %s', [ev
.which
, e_MaxJoys
])
434 procedure HandleJoyRemove (var ev
: TSDL_JoyDeviceEvent
);
436 e_LogWritefln('Removed Joystick %s', [ev
.which
]);
437 if (ev
.which
< e_MaxJoys
) then
439 e_JoystickAvailable
[ev
.which
] := False;
440 if JoystickHandle
[ev
.which
] <> nil then
441 SDL_JoystickClose(JoystickHandle
[ev
.which
]);
442 JoystickHandle
[ev
.which
] := nil
446 (* --------- Input --------- *)
448 function HandleWindow (var ev
: TSDL_WindowEvent
): Boolean;
452 e_LogWritefln('Window Event: event = %s, data1 = %s, data2 = %s', [ev
.event
, ev
.data1
, ev
.data2
]);
454 SDL_WINDOWEVENT_RESIZED
: UpdateSize(ev
.data1
, ev
.data2
);
455 SDL_WINDOWEVENT_EXPOSED
: sys_Repaint
;
456 SDL_WINDOWEVENT_CLOSE
: result
:= true;
457 SDL_WINDOWEVENT_MOVED
:
462 SDL_WINDOWEVENT_FOCUS_LOST
, SDL_WINDOWEVENT_MINIMIZED
:
465 if gMuteWhenInactive
then
466 e_MuteChannels(true);
467 {$IFDEF ENABLE_HOLMES}
468 if assigned(winBlurCB
) then winBlurCB
;
471 SDL_WINDOWEVENT_FOCUS_GAINED
, SDL_WINDOWEVENT_MAXIMIZED
, SDL_WINDOWEVENT_RESTORED
:
473 if ev
.event
= SDL_WINDOWEVENT_MAXIMIZED
then
475 gWinMaximized
:= true;
476 gRC_Maximized
:= true
478 else if ev
.event
= SDL_WINDOWEVENT_RESTORED
then
480 gWinMaximized
:= false;
481 gRC_Maximized
:= false
483 e_MuteChannels(false);
484 {$IFDEF ENABLE_HOLMES}
485 if assigned(winFocusCB
) then winFocusCB
;
491 procedure HandleKeyboard (var ev
: TSDL_KeyboardEvent
);
492 var down
: Boolean; key
: Integer;
494 key
:= ev
.keysym
.scancode
;
495 down
:= (ev
.type_
= SDL_KEYDOWN
);
496 if key
= SDL_SCANCODE_AC_BACK
then
497 key
:= SDL_SCANCODE_ESCAPE
;
498 {$IFDEF ENABLE_HOLMES}
499 if fuiOnSDLEvent(PSDL_Event(@ev
)^) then
501 // event eaten, but...
502 if not down
then e_KeyUpDown(key
, false);
506 if ev
._repeat
= 0 then
509 e_LogWritefln('Input Debug: keysym, press=%s, scancode=%s', [down
, key
]);
510 e_KeyUpDown(key
, down
);
511 g_Console_ProcessBind(key
, down
);
516 e_LogWritefln('Input Debug: keyrep, scancode=%s', [key
]);
517 g_Console_ProcessBindRepeat(key
);
521 procedure HandleTextInput (var ev
: TSDL_TextInputEvent
);
522 var ch
: UnicodeChar
; sch
: AnsiChar;
524 Utf8ToUnicode(@ch
, PChar(ev
.text), 1);
525 sch
:= AnsiChar(wchar2win(ch
));
527 e_LogWritefln('Input Debug: text, text="%s", ch = %s, sch = %s', [ev
.text, Ord(ch
), Ord(sch
)]);
528 if @sys_CharPress
<> nil then
529 if IsValid1251(Word(ch
)) and IsPrintable1251(ch
) then
533 function sys_HandleInput (): Boolean;
537 ZeroMemory(@ev
, sizeof(ev
));
538 while SDL_PollEvent(@ev
) <> 0 do
541 SDL_QUITEV
: result
:= true;
542 SDL_WINDOWEVENT
: result
:= HandleWindow(ev
.window
);
543 SDL_KEYUP
, SDL_KEYDOWN
: HandleKeyboard(ev
.key
);
544 SDL_JOYBUTTONDOWN
, SDL_JOYBUTTONUP
: HandleJoyButton(ev
.jbutton
);
545 SDL_JOYAXISMOTION
: HandleJoyAxis(ev
.jaxis
);
546 SDL_JOYHATMOTION
: HandleJoyHat(ev
.jhat
);
547 SDL_JOYDEVICEADDED
: HandleJoyAdd(ev
.jdevice
);
548 SDL_JOYDEVICEREMOVED
: HandleJoyRemove(ev
.jdevice
);
549 SDL_TEXTINPUT
: HandleTextInput(ev
.text);
550 SDL_FINGERMOTION
, SDL_FINGERDOWN
, SDL_FINGERUP
: g_Touch_HandleEvent(ev
.tfinger
);
551 {$IFDEF ENABLE_HOLMES}
552 SDL_MOUSEBUTTONDOWN
, SDL_MOUSEBUTTONUP
, SDL_MOUSEWHEEL
, SDL_MOUSEMOTION
: fuiOnSDLEvent(ev
);
558 procedure sys_RequestQuit
;
561 ev
.type_
:= SDL_QUITEV
;
565 (* --------- Init --------- *)
570 e_WriteLog('Init SDL2', TMsgType
.Notify
);
572 {$IFDEF USE_SDLMIXER}
573 flags
:= SDL_INIT_TIMER
or SDL_INIT_AUDIO
or $00004000;
575 flags
:= SDL_INIT_TIMER
or $00004000;
578 flags
:= SDL_INIT_TIMER
or SDL_INIT_VIDEO
;
580 SDL_SetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK
, '0');
581 if SDL_Init(flags
) <> 0 then
582 raise Exception
.Create('SDL: Init failed: ' + SDL_GetError
);
584 if SDL_InitSubSystem(SDL_INIT_JOYSTICK
) <> 0 then
585 e_LogWritefln('SDL: Init subsystem failed: %s', [SDL_GetError()]);
587 SDL_ShowCursor(SDL_DISABLE
);
592 e_WriteLog('Releasing SDL2', TMsgType
.Notify
);
593 if context
<> nil then
596 SDL_GL_DeleteContext(context
);
599 if window
<> nil then
601 SDL_DestroyWindow(window
);
608 conRegVar('sdl2_display_index', @display
, 'use display index as base', '');
609 conRegVar('sdl2_window_x', @wx
, 'window position x', '');
610 conRegVar('sdl2_window_y', @wy
, 'window position y', '');
611 conRegVar('sdl2_window_center', @wc
, 'force window creation at center', '');
613 wx
:= SDL_WINDOWPOS_CENTERED
;
614 wy
:= SDL_WINDOWPOS_CENTERED
;