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 {$INCLUDE ../shared/a_modes.inc}
23 function sys_GetTicks (): Int64;
24 procedure sys_Delay (ms
: Integer);
26 (* --- Graphics --- *)
27 function sys_GetDispalyModes (bpp
: Integer): SSArray
;
28 function sys_SetDisplayMode (w
, h
, bpp
: Integer; fullscreen
: Boolean): Boolean;
29 procedure sys_EnableVSync (yes
: Boolean);
30 procedure sys_Repaint
;
33 function sys_HandleInput (): Boolean;
34 procedure sys_RequestQuit
;
44 e_log
, e_graphics
, e_input
, e_sound
,
45 g_options
, g_window
, g_console
, g_game
, g_menu
, g_gui
, g_main
;
48 GameTitle
= 'Doom 2D: Forever (SDL 1.2)';
54 JoystickHandle
: array [0..e_MaxJoys
- 1] of PSDL_Joystick
;
55 JoystickHatState
: array [0..e_MaxJoys
- 1, 0..e_MaxJoyHats
- 1, HAT_LEFT
..HAT_DOWN
] of Boolean;
56 JoystickZeroAxes
: array [0..e_MaxJoys
- 1, 0..e_MaxJoyAxes
- 1] of Integer;
58 (* --------- Utils --------- *)
60 function sys_GetTicks (): Int64;
62 result
:= SDL_GetTicks()
65 procedure sys_Delay (ms
: Integer);
70 (* --------- Graphics --------- *)
72 procedure UpdateSize (w
, h
: Integer);
80 {$IFDEF ENABLE_HOLMES}
86 g_Game_SetupScreenSize
;
91 function InitWindow (w
, h
, bpp
: Integer; fullScreen
: Boolean): Boolean;
94 e_LogWritefln('InitWindow %s %s %s %s', [w
, h
, bpp
, fullScreen
]);
96 SDL_GL_SetAttribute(SDL_GL_RED_SIZE
, 8);
97 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE
, 8);
98 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE
, 8);
99 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE
, 16);
100 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER
, 1);
101 SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE
, 8); // lights; it is enough to have 1-bit stencil buffer for lighting, but...
103 if fullScreen
then flags
:= flags
or SDL_FULLSCREEN
;
104 if userResize
then flags
:= flags
or SDL_VIDEORESIZE
;
105 if (screen
= nil) or (SDL_VideoModeOk(w
, h
, bpp
, flags
) <> 0) then
107 SDL_FreeSurface(screen
);
108 screen
:= SDL_SetVideoMode(w
, h
, bpp
, flags
);
109 if screen
<> nil then
111 SDL_WM_SetCaption(GameTitle
, nil);
118 e_LogWritefln('SDL: video mode not supported', [])
122 procedure sys_Repaint
;
127 procedure sys_EnableVSync (yes
: Boolean);
132 function sys_GetDispalyModes (bpp
: Integer): SSArray
;
133 var m
: PPSDL_Rect
; f
: TSDL_PixelFormat
; i
, count
: Integer;
135 SetLength(result
, 0);
136 FillChar(f
, sizeof(f
), 0);
138 f
.BitsPerPixel
:= bpp
;
139 f
.BytesPerPixel
:= (bpp
+ 7) div 8;
140 m
:= SDL_ListModes(@f
, SDL_OPENGL
or SDL_FULLSCREEN
);
141 if (m
<> NIL) and (IntPtr(m
) <> -1) then
144 while m
[count
] <> nil do inc(count
);
145 SetLength(result
, count
);
146 for i
:= 0 to count
- 1 do
147 result
[i
] := IntToStr(m
[i
].w
) + 'x' + IntToStr(m
[i
].h
);
151 function sys_SetDisplayMode (w
, h
, bpp
: Integer; fullscreen
: Boolean): Boolean;
153 result
:= InitWindow(w
, h
, bpp
, fullscreen
)
156 (* --------- Joystick --------- *)
158 procedure HandleJoyButton (var ev
: TSDL_JoyButtonEvent
);
159 var down
: Boolean; key
: Integer;
161 if (ev
.which
< e_MaxJoys
) and (ev
.button
< e_MaxJoyBtns
) then
163 key
:= e_JoyButtonToKey(ev
.which
, ev
.button
);
164 down
:= ev
.type_
= SDL_JOYBUTTONDOWN
;
166 e_LogWritefln('Input Debug: jbutton, joy=%s, button=%s, keycode=%s, press=%s', [ev
.which
, ev
.button
, key
, down
]);
167 e_KeyUpDown(key
, down
);
168 g_Console_ProcessBind(key
, down
)
174 down
:= ev
.type_
= SDL_JOYBUTTONDOWN
;
175 e_LogWritefln('Input Debug: NOT IN RANGE! jbutton, joy=%s, button=%s, press=%s', [ev
.which
, ev
.button
, down
])
180 procedure HandleJoyAxis (var ev
: TSDL_JoyAxisEvent
);
181 var key
, minuskey
: Integer;
183 if (ev
.which
< e_MaxJoys
) and (ev
.axis
< e_MaxJoyAxes
) then
185 key
:= e_JoyAxisToKey(ev
.which
, ev
.axis
, AX_PLUS
);
186 minuskey
:= e_JoyAxisToKey(ev
.which
, ev
.axis
, AX_MINUS
);
189 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
]]);
191 if ev
.value
< JoystickZeroAxes
[ev
.which
, ev
.axis
] - e_JoystickDeadzones
[ev
.which
] then
193 if (e_KeyPressed(key
)) then
195 e_KeyUpDown(key
, False);
196 g_Console_ProcessBind(key
, False)
198 e_KeyUpDown(minuskey
, True);
199 g_Console_ProcessBind(minuskey
, True)
201 else if ev
.value
> JoystickZeroAxes
[ev
.which
, ev
.axis
] + e_JoystickDeadzones
[ev
.which
] then
203 if (e_KeyPressed(minuskey
)) then
205 e_KeyUpDown(minuskey
, False);
206 g_Console_ProcessBind(minuskey
, False)
208 e_KeyUpDown(key
, True);
209 g_Console_ProcessBind(key
, True)
213 if (e_KeyPressed(minuskey
)) then
215 e_KeyUpDown(minuskey
, False);
216 g_Console_ProcessBind(minuskey
, False)
218 if (e_KeyPressed(key
)) then
220 e_KeyUpDown(key
, False);
221 g_Console_ProcessBind(key
, False)
228 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
]])
232 procedure HandleJoyHat (var ev
: TSDL_JoyHatEvent
);
236 hat
: array [HAT_LEFT
..HAT_DOWN
] of Boolean;
238 if (ev
.which
< e_MaxJoys
) and (ev
.hat
< e_MaxJoyHats
) then
241 e_LogWritefln('Input Debug: jhat, joy=%s, hat=%s, value=%s', [ev
.which
, ev
.hat
, ev
.value
]);
242 hat
[HAT_UP
] := LongBool(ev
.value
and SDL_HAT_UP
);
243 hat
[HAT_DOWN
] := LongBool(ev
.value
and SDL_HAT_DOWN
);
244 hat
[HAT_LEFT
] := LongBool(ev
.value
and SDL_HAT_LEFT
);
245 hat
[HAT_RIGHT
] := LongBool(ev
.value
and SDL_HAT_RIGHT
);
246 for i
:= HAT_LEFT
to HAT_DOWN
do
248 if JoystickHatState
[ev
.which
, ev
.hat
, i
] <> hat
[i
] then
251 key
:= e_JoyHatToKey(ev
.which
, ev
.hat
, i
);
252 e_KeyUpDown(key
, down
);
253 g_Console_ProcessBind(key
, down
)
256 JoystickHatState
[ev
.which
, ev
.hat
] := hat
261 e_LogWritefln('Input Debug: NOT IN RANGE! jhat, joy=%s, hat=%s, value=%s', [ev
.which
, ev
.hat
, ev
.value
])
265 procedure AddJoystick (which
: Integer);
268 assert(which
< e_MaxJoys
);
269 JoystickHandle
[which
] := SDL_JoystickOpen(which
);
270 if JoystickHandle
[which
] <> nil then
272 e_LogWritefln('Added Joystick %s', [which
]);
273 e_JoystickAvailable
[which
] := True;
274 for i
:= 0 to Min(SDL_JoystickNumAxes(JoystickHandle
[which
]), e_MaxJoyAxes
) - 1 do
275 JoystickZeroAxes
[which
, i
] := SDL_JoystickGetAxis(JoystickHandle
[which
], i
)
279 e_LogWritefln('Failed to open Joystick %s', [which
])
283 procedure RemoveJoystick (which
: Integer);
285 assert(which
< e_MaxJoys
);
286 e_LogWritefln('Remove Joystick %s', [which
]);
287 e_JoystickAvailable
[which
] := False;
288 if JoystickHandle
[which
] <> nil then
289 SDL_JoystickClose(JoystickHandle
[which
]);
290 JoystickHandle
[which
] := nil
293 (* --------- Input --------- *)
295 function Key2Stub (key
: Integer): Integer;
299 SDLK_ESCAPE
: x
:= IK_ESCAPE
;
300 SDLK_RETURN
: x
:= IK_RETURN
;
301 SDLK_KP_ENTER
: x
:= IK_KPRETURN
;
302 SDLK_KP0
: x
:= IK_KPINSERT
;
304 SDLK_KP8
: x
:= IK_KPUP
;
305 SDLK_DOWN
: x
:= IK_DOWN
;
306 SDLK_KP2
: x
:= IK_KPDOWN
;
307 SDLK_LEFT
: x
:= IK_LEFT
;
308 SDLK_KP4
: x
:= IK_KPLEFT
;
309 SDLK_RIGHT
: x
:= IK_RIGHT
;
310 SDLK_KP6
: x
:= IK_KPRIGHT
;
311 SDLK_DELETE
: x
:= IK_DELETE
;
312 SDLK_HOME
: x
:= IK_HOME
;
313 SDLK_KP7
: x
:= IK_KPHOME
;
314 SDLK_INSERT
: x
:= IK_INSERT
;
315 SDLK_SPACE
: x
:= IK_SPACE
;
316 SDLK_LSHIFT
: x
:= IK_SHIFT
;
317 SDLK_LALT
: x
:= IK_ALT
;
318 SDLK_TAB
: x
:= IK_TAB
;
319 SDLK_PAGEUP
: x
:= IK_PAGEUP
;
320 SDLK_KP9
: x
:= IK_KPPAGEUP
;
321 SDLK_PAGEDOWN
: x
:= IK_PAGEDN
;
322 SDLK_KP3
: x
:= IK_KPPAGEDN
;
323 SDLK_KP5
: x
:= IK_KP5
;
324 SDLK_NUMLOCK
: x
:= IK_NUMLOCK
;
325 SDLK_KP_DIVIDE
: x
:= IK_KPDIVIDE
;
326 SDLK_KP_MULTIPLY
: x
:= IK_KPMULTIPLE
;
327 SDLK_KP_MINUS
: x
:= IK_KPMINUS
;
328 SDLK_KP_PLUS
: x
:= IK_KPPLUS
;
329 SDLK_KP_PERIOD
: x
:= IK_KPDOT
;
330 SDLK_CAPSLOCK
: x
:= IK_CAPSLOCK
;
331 SDLK_RSHIFT
: x
:= IK_RSHIFT
;
332 SDLK_LCTRL
: x
:= IK_CTRL
;
333 SDLK_RCTRL
: x
:= IK_RCTRL
;
334 SDLK_RALT
: x
:= IK_RALT
;
335 SDLK_LSUPER
: x
:= IK_WIN
;
336 SDLK_RSUPER
: x
:= IK_RWIN
;
337 SDLK_MENU
: x
:= IK_MENU
;
338 SDLK_PRINT
: x
:= IK_PRINTSCR
;
339 SDLK_SCROLLOCK
: x
:= IK_SCROLLLOCK
;
340 SDLK_LEFTBRACKET
: x
:= IK_LBRACKET
;
341 SDLK_RIGHTBRACKET
: x
:= IK_RBRACKET
;
342 SDLK_SEMICOLON
: x
:= IK_SEMICOLON
;
343 SDLK_QUOTE
: x
:= IK_QUOTE
;
344 SDLK_BACKSLASH
: x
:= IK_BACKSLASH
;
345 SDLK_SLASH
: x
:= IK_SLASH
;
346 SDLK_COMMA
: x
:= IK_COMMA
;
347 SDLK_PERIOD
: x
:= IK_DOT
;
348 SDLK_EQUALS
: x
:= IK_EQUALS
;
368 SDLK_F10
: x
:= IK_F10
;
369 SDLK_F11
: x
:= IK_F11
;
370 SDLK_F12
: x
:= IK_F12
;
371 SDLK_END
: x
:= IK_END
;
372 SDLK_KP1
: x
:= IK_KPEND
;
373 SDLK_BACKSPACE
: x
:= IK_BACKSPACE
;
374 SDLK_BACKQUOTE
: x
:= IK_BACKQUOTE
;
375 SDLK_PAUSE
: x
:= IK_PAUSE
;
376 SDLK_A
..SDLK_Z
: x
:= IK_A
+ (key
- SDLK_A
);
377 SDLK_MINUS
: x
:= IK_MINUS
;
378 SDLK_RMETA
: x
:= IK_RMETA
;
379 SDLK_LMETA
: x
:= IK_LMETA
;
386 procedure HandleKeyboard (var ev
: TSDL_KeyboardEvent
);
387 var down
, repeated
: Boolean; key
: Integer; ch
: Char;
389 key
:= Key2Stub(ev
.keysym
.sym
);
390 down
:= (ev
.type_
= SDL_KEYDOWN
);
391 repeated
:= down
and e_KeyPressed(key
);
392 ch
:= wchar2win(WideChar(ev
.keysym
.unicode
));
394 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
)]);
397 e_KeyUpDown(key
, down
);
398 g_Console_ProcessBind(key
, down
);
400 else if gConsoleShow
or gChatShow
or (g_ActiveWindow
<> nil) then
402 KeyPress(key
) // key repeat in menus and shit
404 if down
and IsValid1251(ev
.keysym
.unicode
) and IsPrintable1251(ch
) then
408 procedure HandleResize (var ev
: TSDL_ResizeEvent
);
411 e_LogWritefln('Input Debug: SDL_VIDEORESIZE %s %s', [ev
.w
, ev
.h
]);
412 if modeResize
= 1 then
413 UpdateSize(ev
.w
, ev
.h
)
414 else if modeResize
> 1 then
415 InitWindow(ev
.w
, ev
.h
, gBPP
, gFullscreen
)
418 function sys_HandleInput (): Boolean;
422 while SDL_PollEvent(@ev
) <> 0 do
425 SDL_QUITEV
: result
:= true;
426 SDL_VIDEORESIZE
: HandleResize(ev
.resize
);
427 SDL_KEYUP
, SDL_KEYDOWN
: HandleKeyboard(ev
.key
);
428 SDL_JOYBUTTONDOWN
, SDL_JOYBUTTONUP
: HandleJoyButton(ev
.jbutton
);
429 SDL_JOYAXISMOTION
: HandleJoyAxis(ev
.jaxis
);
430 SDL_JOYHATMOTION
: HandleJoyHat(ev
.jhat
);
431 SDL_VIDEOEXPOSE
: sys_Repaint
;
432 SDL_ACTIVEEVENT
: e_MuteChannels((ev
.active
.gain
= 0) and gMuteWhenInactive
);
437 procedure sys_RequestQuit
;
440 ev
.quit
.type_
:= SDL_QUITEV
;
444 (* --------- Init --------- *)
447 var flags
: Uint32
; ok
: Boolean; i
: Integer;
449 e_WriteLog('Init SDL', TMsgType
.Notify
);
450 flags
:= SDL_INIT_VIDEO
or SDL_INIT_AUDIO
or
451 SDL_INIT_TIMER
or SDL_INIT_JOYSTICK
452 (*or SDL_INIT_NOPARACHUTE*);
453 if SDL_Init(flags
) <> 0 then
454 raise Exception
.Create('SDL: Init failed: ' + SDL_GetError
);
455 ok
:= InitWindow(gScreenWidth
, gScreenHeight
, gBPP
, gFullScreen
);
457 raise Exception
.Create('SDL: Failed to set videomode: ' + SDL_GetError
);
458 SDL_EnableUNICODE(1);
459 SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY
, SDL_DEFAULT_REPEAT_INTERVAL
);
460 for i
:= 0 to e_MaxJoys
- 1 do
467 e_WriteLog('Releasing SDL', TMsgType
.Notify
);
468 for i
:= 0 to e_MaxJoys
- 1 do
470 SDL_FreeSurface(screen
);
475 (* window resize are broken both on linux and osx, so disabled by default *)
476 conRegVar('sdl_allow_resize', @userResize
, 'allow to resize window by user', 'allow to resize window by user');
477 conRegVar('sdl_resize_action', @modeResize
, 'set window resize mode (0: ignore, 1: change, 2: reset)', '');