Various graphical tweaks (mainly particle related), some code removed.
[divverent/darkplaces.git] / vid_wgl.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // gl_vidnt.c -- NT GL vid component
21
22 #include "quakedef.h"
23 #include "winquake.h"
24 #include "resource.h"
25 #include <commctrl.h>
26
27 #define MAX_MODE_LIST   30
28 #define VID_ROW_SIZE    3
29 #define WARP_WIDTH              320
30 #define WARP_HEIGHT             200
31 #define MAXWIDTH                10000
32 #define MAXHEIGHT               10000
33 #define BASEWIDTH               320
34 #define BASEHEIGHT              200
35
36 #define MODE_WINDOWED                   0
37 #define NO_MODE                                 (MODE_WINDOWED - 1)
38 #define MODE_FULLSCREEN_DEFAULT (MODE_WINDOWED + 1)
39
40 typedef struct {
41         modestate_t     type;
42         int                     width;
43         int                     height;
44         int                     modenum;
45         int                     dib;
46         int                     fullscreen;
47         int                     bpp;
48         int                     halfscreen;
49         char            modedesc[17];
50 } vmode_t;
51
52 typedef struct {
53         int                     width;
54         int                     height;
55 } lmode_t;
56
57 lmode_t lowresmodes[] = {
58         {320, 200},
59         {320, 240},
60         {400, 300},
61         {512, 384},
62 };
63
64 const char *gl_vendor;
65 const char *gl_renderer;
66 const char *gl_version;
67 const char *gl_extensions;
68
69 qboolean                DDActive;
70 qboolean                scr_skipupdate;
71
72 static vmode_t  modelist[MAX_MODE_LIST];
73 static int              nummodes;
74 static vmode_t  *pcurrentmode;
75 static vmode_t  badmode;
76
77 static DEVMODE  gdevmode;
78 static qboolean vid_initialized = false;
79 static qboolean windowed, leavecurrentmode;
80 static qboolean vid_canalttab = false;
81 static qboolean vid_wassuspended = false;
82 static int              windowed_mouse;
83 extern qboolean mouseactive;  // from in_win.c
84 static HICON    hIcon;
85
86 int                     DIBWidth, DIBHeight;
87 RECT            WindowRect;
88 DWORD           WindowStyle, ExWindowStyle;
89
90 HWND    mainwindow, dibwindow;
91
92 int                     vid_modenum = NO_MODE;
93 int                     vid_realmode;
94 int                     vid_default = MODE_WINDOWED;
95 static int      windowed_default;
96 unsigned char   vid_curpal[256*3];
97
98 HGLRC   baseRC;
99 HDC             maindc;
100
101 glvert_t glv;
102
103 HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
104
105 viddef_t        vid;                            // global video state
106
107 float           gldepthmin, gldepthmax;
108
109 modestate_t     modestate = MS_UNINIT;
110
111 void VID_MenuDraw (void);
112 void VID_MenuKey (int key);
113
114 LONG WINAPI MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
115 void AppActivate(BOOL fActive, BOOL minimize);
116 char *VID_GetModeDescription (int mode);
117 void ClearAllStates (void);
118 void VID_UpdateWindowStatus (void);
119 void GL_Init (void);
120
121 // LordHavoc: ARB multitexture support
122 int gl_mtex_enum = 0;
123
124 qboolean is8bit = false;
125 qboolean isPermedia = false;
126 qboolean isATI = false; // LordHavoc: special differences for ATI's broken drivers
127 qboolean isG200 = false; // LordHavoc: the Matrox G200 can't do per pixel alpha, and it uses a D3D driver for GL... ugh...
128 qboolean isRagePro = false; // LordHavoc: the ATI Rage Pro has limitations with per pixel alpha (the color scaler does not apply to per pixel alpha images...), although not as bad as a G200.
129 qboolean gl_mtexable = false;
130 qboolean gl_arrays = false;
131
132 //====================================
133
134 cvar_t          vid_mode = {"vid_mode","0", false};
135 // Note that 0 is MODE_WINDOWED
136 cvar_t          _vid_default_mode = {"_vid_default_mode","0", true};
137 // Note that 3 is MODE_FULLSCREEN_DEFAULT
138 cvar_t          _vid_default_mode_win = {"_vid_default_mode_win","3", true};
139 cvar_t          vid_wait = {"vid_wait","0"};
140 cvar_t          vid_nopageflip = {"vid_nopageflip","0", true};
141 cvar_t          _vid_wait_override = {"_vid_wait_override", "0", true};
142 cvar_t          vid_config_x = {"vid_config_x","800", true};
143 cvar_t          vid_config_y = {"vid_config_y","600", true};
144 cvar_t          vid_stretch_by_2 = {"vid_stretch_by_2","1", true};
145 cvar_t          _windowed_mouse = {"_windowed_mouse","1", true};
146
147 int                     window_center_x, window_center_y, window_x, window_y, window_width, window_height;
148 RECT            window_rect;
149
150 // direct draw software compatability stuff
151
152 void CenterWindow(HWND hWndCenter, int width, int height, BOOL lefttopjustify)
153 {
154     int     CenterX, CenterY;
155
156         CenterX = (GetSystemMetrics(SM_CXSCREEN) - width) / 2;
157         CenterY = (GetSystemMetrics(SM_CYSCREEN) - height) / 2;
158         if (CenterX > CenterY*2)
159                 CenterX >>= 1;  // dual screens
160         CenterX = (CenterX < 0) ? 0: CenterX;
161         CenterY = (CenterY < 0) ? 0: CenterY;
162         SetWindowPos (hWndCenter, NULL, CenterX, CenterY, 0, 0,
163                         SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW | SWP_DRAWFRAME);
164 }
165
166 qboolean VID_SetWindowedMode (int modenum)
167 {
168         int                             lastmodestate, width, height;
169         RECT                    rect;
170
171         lastmodestate = modestate;
172
173         WindowRect.top = WindowRect.left = 0;
174
175         WindowRect.right = modelist[modenum].width;
176         WindowRect.bottom = modelist[modenum].height;
177
178         DIBWidth = modelist[modenum].width;
179         DIBHeight = modelist[modenum].height;
180
181         WindowStyle = WS_OVERLAPPED | WS_BORDER | WS_CAPTION | WS_SYSMENU |
182                                   WS_MINIMIZEBOX;
183         ExWindowStyle = 0;
184
185         rect = WindowRect;
186         AdjustWindowRectEx(&rect, WindowStyle, FALSE, 0);
187
188         width = rect.right - rect.left;
189         height = rect.bottom - rect.top;
190
191         // Create the DIB window
192         dibwindow = CreateWindowEx (
193                  ExWindowStyle,
194 #ifdef NEHAHRA
195                  "DPNehahraQuake",
196                  "DPNehahraGLQuake",
197 #else
198                  "DarkPlacesQuake",
199                  "DarkPlacesGLQuake",
200 #endif
201                  WindowStyle,
202                  rect.left, rect.top,
203                  width,
204                  height,
205                  NULL,
206                  NULL,
207                  global_hInstance,
208                  NULL);
209
210         if (!dibwindow)
211                 Sys_Error ("Couldn't create DIB window");
212
213         // Center and show the DIB window
214         CenterWindow(dibwindow, WindowRect.right - WindowRect.left,
215                                  WindowRect.bottom - WindowRect.top, false);
216
217         ShowWindow (dibwindow, SW_SHOWDEFAULT);
218         UpdateWindow (dibwindow);
219
220         modestate = MS_WINDOWED;
221
222         // LordHavoc: using GDI functions on an OpenGL window?  bad idea
223         /*
224 // because we have set the background brush for the window to NULL
225 // (to avoid flickering when re-sizing the window on the desktop),
226 // we clear the window to black when created, otherwise it will be
227 // empty while Quake starts up.
228         hdc = GetDC(dibwindow);
229         PatBlt(hdc,0,0,WindowRect.right,WindowRect.bottom,BLACKNESS);
230         ReleaseDC(dibwindow, hdc);
231         */
232
233         if (vid.conheight > modelist[modenum].height)
234                 vid.conheight = modelist[modenum].height;
235         if (vid.conwidth > modelist[modenum].width)
236                 vid.conwidth = modelist[modenum].width;
237         vid.width = vid.conwidth;
238         vid.height = vid.conheight;
239
240         mainwindow = dibwindow;
241
242         SendMessage (mainwindow, WM_SETICON, (WPARAM)TRUE, (LPARAM)hIcon);
243         SendMessage (mainwindow, WM_SETICON, (WPARAM)FALSE, (LPARAM)hIcon);
244
245         return true;
246 }
247
248
249 qboolean VID_SetFullDIBMode (int modenum)
250 {
251         int                             lastmodestate, width, height;
252         RECT                    rect;
253
254         if (!leavecurrentmode)
255         {
256                 gdevmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
257                 gdevmode.dmBitsPerPel = modelist[modenum].bpp;
258                 gdevmode.dmPelsWidth = modelist[modenum].width <<
259                                                            modelist[modenum].halfscreen;
260                 gdevmode.dmPelsHeight = modelist[modenum].height;
261                 gdevmode.dmSize = sizeof (gdevmode);
262
263                 if (ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
264                         Sys_Error ("Couldn't set fullscreen DIB mode");
265         }
266
267         lastmodestate = modestate;
268         modestate = MS_FULLDIB;
269
270         WindowRect.top = WindowRect.left = 0;
271
272         WindowRect.right = modelist[modenum].width;
273         WindowRect.bottom = modelist[modenum].height;
274
275         DIBWidth = modelist[modenum].width;
276         DIBHeight = modelist[modenum].height;
277
278         WindowStyle = WS_POPUP;
279         ExWindowStyle = 0;
280
281         rect = WindowRect;
282         AdjustWindowRectEx(&rect, WindowStyle, FALSE, 0);
283
284         width = rect.right - rect.left;
285         height = rect.bottom - rect.top;
286
287         // Create the DIB window
288         dibwindow = CreateWindowEx (
289                  ExWindowStyle,
290 #ifdef NEHAHRA
291                  "DPNehahraQuake",
292                  "DPNehahraGLQuake",
293 #else
294                  "DarkPlacesQuake",
295                  "DarkPlacesGLQuake",
296 #endif
297                  WindowStyle,
298                  rect.left, rect.top,
299                  width,
300                  height,
301                  NULL,
302                  NULL,
303                  global_hInstance,
304                  NULL);
305
306         if (!dibwindow)
307                 Sys_Error ("Couldn't create DIB window");
308
309         ShowWindow (dibwindow, SW_SHOWDEFAULT);
310         UpdateWindow (dibwindow);
311
312         // LordHavoc: using GDI functions on an OpenGL window?  bad idea
313         /*
314         // Because we have set the background brush for the window to NULL
315         // (to avoid flickering when re-sizing the window on the desktop), we
316         // clear the window to black when created, otherwise it will be
317         // empty while Quake starts up.
318         hdc = GetDC(dibwindow);
319         PatBlt(hdc,0,0,WindowRect.right,WindowRect.bottom,BLACKNESS);
320         ReleaseDC(dibwindow, hdc);
321         */
322
323         if (vid.conheight > modelist[modenum].height)
324                 vid.conheight = modelist[modenum].height;
325         if (vid.conwidth > modelist[modenum].width)
326                 vid.conwidth = modelist[modenum].width;
327         vid.width = vid.conwidth;
328         vid.height = vid.conheight;
329
330 // needed because we're not getting WM_MOVE messages fullscreen on NT
331         window_x = 0;
332         window_y = 0;
333
334         mainwindow = dibwindow;
335
336         SendMessage (mainwindow, WM_SETICON, (WPARAM)TRUE, (LPARAM)hIcon);
337         SendMessage (mainwindow, WM_SETICON, (WPARAM)FALSE, (LPARAM)hIcon);
338
339         return true;
340 }
341
342
343 int VID_SetMode (int modenum, unsigned char *palette)
344 {
345         int                             original_mode, temp;
346         qboolean                stat;
347     MSG                         msg;
348
349         if ((windowed && (modenum != 0)) ||
350                 (!windowed && (modenum < 1)) ||
351                 (!windowed && (modenum >= nummodes)))
352         {
353                 Sys_Error ("Bad video mode\n");
354         }
355
356 // so Con_Printfs don't mess us up by forcing vid and snd updates
357         temp = scr_disabled_for_loading;
358         scr_disabled_for_loading = true;
359
360         CDAudio_Pause ();
361
362         if (vid_modenum == NO_MODE)
363                 original_mode = windowed_default;
364         else
365                 original_mode = vid_modenum;
366
367         // Set either the fullscreen or windowed mode
368         if (modelist[modenum].type == MS_WINDOWED)
369         {
370                 if (_windowed_mouse.value && key_dest == key_game)
371                 {
372                         stat = VID_SetWindowedMode(modenum);
373                         IN_ActivateMouse ();
374                         IN_HideMouse ();
375                 }
376                 else
377                 {
378                         IN_DeactivateMouse ();
379                         IN_ShowMouse ();
380                         stat = VID_SetWindowedMode(modenum);
381                 }
382         }
383         else if (modelist[modenum].type == MS_FULLDIB)
384         {
385                 stat = VID_SetFullDIBMode(modenum);
386                 IN_ActivateMouse ();
387                 IN_HideMouse ();
388         }
389         else
390         {
391                 Sys_Error ("VID_SetMode: Bad mode type in modelist");
392         }
393
394         window_width = DIBWidth;
395         window_height = DIBHeight;
396         VID_UpdateWindowStatus ();
397
398         CDAudio_Resume ();
399         scr_disabled_for_loading = temp;
400
401         if (!stat)
402         {
403                 Sys_Error ("Couldn't set video mode");
404         }
405
406 // now we try to make sure we get the focus on the mode switch, because
407 // sometimes in some systems we don't.  We grab the foreground, then
408 // finish setting up, pump all our messages, and sleep for a little while
409 // to let messages finish bouncing around the system, then we put
410 // ourselves at the top of the z order, then grab the foreground again,
411 // Who knows if it helps, but it probably doesn't hurt
412         SetForegroundWindow (mainwindow);
413         VID_SetPalette (palette);
414         vid_modenum = modenum;
415         Cvar_SetValue ("vid_mode", (float)vid_modenum);
416
417         while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
418         {
419         TranslateMessage (&msg);
420         DispatchMessage (&msg);
421         }
422
423         Sleep (100);
424
425         SetWindowPos (mainwindow, HWND_TOP, 0, 0, 0, 0,
426                                   SWP_DRAWFRAME | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW |
427                                   SWP_NOCOPYBITS);
428
429         SetForegroundWindow (mainwindow);
430
431 // fix the leftover Alt from any Alt-Tab or the like that switched us away
432         ClearAllStates ();
433
434         if (!msg_suppress_1)
435                 Con_SafePrintf ("Video mode %s initialized.\n", VID_GetModeDescription (vid_modenum));
436
437         VID_SetPalette (palette);
438
439         vid.recalc_refdef = 1;
440
441         return true;
442 }
443
444
445 /*
446 ================
447 VID_UpdateWindowStatus
448 ================
449 */
450 void VID_UpdateWindowStatus (void)
451 {
452
453         window_rect.left = window_x;
454         window_rect.top = window_y;
455         window_rect.right = window_x + window_width;
456         window_rect.bottom = window_y + window_height;
457         window_center_x = (window_rect.left + window_rect.right) / 2;
458         window_center_y = (window_rect.top + window_rect.bottom) / 2;
459
460         IN_UpdateClipCursor ();
461 }
462
463
464 //====================================
465
466 void (APIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
467 void (APIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
468 void (APIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
469 void (APIENTRY *qglArrayElement)(GLint i);
470 void (APIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
471 void (APIENTRY *qglMTexCoord2f)(GLenum, GLfloat, GLfloat);
472 void (APIENTRY *qglSelectTexture)(GLenum);
473 void (APIENTRY *glColorTableEXT)(int, int, int, int, int, const void*);
474
475 void CheckVertexArrays (void)
476 {
477         if (COM_CheckParm("-novertex"))
478         {
479                 Con_Printf("...vertex array support disabled\n");
480                 return;
481         }
482         if ((qglArrayElement = (void *) wglGetProcAddress("glArrayElement"))
483          && (qglColorPointer = (void *) wglGetProcAddress("glColorPointer"))
484 //       && (qglDrawArrays = (void *) wglGetProcAddress("glDrawArrays"))
485          && (qglDrawElements = (void *) wglGetProcAddress("glDrawElements"))
486 //       && (qglInterleavedArrays = (void *) wglGetProcAddress("glInterleavedArrays"))
487          && (qglTexCoordPointer = (void *) wglGetProcAddress("glTexCoordPointer"))
488          && (qglVertexPointer = (void *) wglGetProcAddress("glVertexPointer"))
489                 )
490         {
491                 Con_Printf("...vertex array support detected\n");
492                 gl_arrays = true;
493                 return;
494         }
495
496         Con_Printf("...vertex array support disabled (not detected - get a better driver)\n");
497 }
498
499 int             texture_extension_number = 1;
500
501 void CheckMultiTexture(void) 
502 {
503         qglMTexCoord2f = NULL;
504         qglSelectTexture = NULL;
505         // Check to see if multitexture is disabled
506         if (COM_CheckParm("-nomtex"))
507         {
508                 Con_Printf("...multitexture disabled\n");
509                 return;
510         }
511         // Test for ARB_multitexture
512         if (!COM_CheckParm("-SGISmtex") && strstr(gl_extensions, "GL_ARB_multitexture "))
513         {
514                 Con_Printf("...using GL_ARB_multitexture\n");
515                 qglMTexCoord2f = (void *) wglGetProcAddress("glMultiTexCoord2fARB");
516                 qglSelectTexture = (void *) wglGetProcAddress("glActiveTextureARB");
517                 gl_mtexable = true;
518                 gl_mtex_enum = GL_TEXTURE0_ARB;
519         }
520         else if (strstr(gl_extensions, "GL_SGIS_multitexture ")) // Test for SGIS_multitexture (if ARB_multitexture not found)
521         {
522                 Con_Printf("...using GL_SGIS_multitexture\n");
523                 qglMTexCoord2f = (void *) wglGetProcAddress("glMTexCoord2fSGIS");
524                 qglSelectTexture = (void *) wglGetProcAddress("glSelectTextureSGIS");
525                 gl_mtexable = true;
526                 gl_mtex_enum = TEXTURE0_SGIS;
527         }
528         if (!gl_mtexable)
529                 Con_Printf("...multitexture disabled (not detected)\n");
530 }
531
532 /*
533 ===============
534 GL_Init
535 ===============
536 */
537 extern char *QSG_EXTENSIONS;
538 void GL_Init (void)
539 {
540         gl_vendor = glGetString (GL_VENDOR);
541         Con_Printf ("GL_VENDOR: %s\n", gl_vendor);
542         gl_renderer = glGetString (GL_RENDERER);
543         Con_Printf ("GL_RENDERER: %s\n", gl_renderer);
544
545         gl_version = glGetString (GL_VERSION);
546         Con_Printf ("GL_VERSION: %s\n", gl_version);
547         gl_extensions = glGetString (GL_EXTENSIONS);
548         Con_Printf ("GL_EXTENSIONS: %s\n", gl_extensions);
549
550 //      Con_Printf ("%s %s\n", gl_renderer, gl_version);
551
552         if (strncasecmp(gl_renderer,"Permedia",8)==0)
553                 isPermedia = true;
554
555         // LordHavoc: special differences for ATI (broken 8bit color when also using 32bit? weird!)
556         if (strncasecmp(gl_vendor,"ATI",3)==0)
557         {
558                 isATI = true;
559                 if (strncasecmp(gl_renderer,"Rage Pro",8)==0)
560                         isRagePro = true;
561         }
562         if (strncasecmp(gl_renderer,"Matrox G200 Direct3D",20)==0) // a D3D driver for GL? sigh...
563                 isG200 = true;
564
565         CheckMultiTexture ();
566         CheckVertexArrays ();
567
568         // LordHavoc: report supported extensions
569         Con_Printf ("\nQSG extensions: %s\n", QSG_EXTENSIONS);
570
571         // LordHavoc: set up state
572 //      glEnable(GL_DEPTH_TEST);
573 //      glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
574 //      glShadeModel(GL_SMOOTH);
575 //      glEnable(GL_TEXTURE_2D);
576         glAlphaFunc(GL_GREATER, 0.5);
577 //      if (isRagePro || isG200)
578 //      {
579 //              glEnable(GL_ALPHA_TEST);
580 //              glAlphaFunc(GL_GREATER, 0.5);
581 //      }
582 //      else
583 //              glDisable(GL_ALPHA_TEST);
584 //      glDepthMask(1);
585 //      glDisable(GL_DITHER); // LordHavoc: disable dithering
586 //      glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
587 //      glEnable(GL_BLEND);
588
589 //      glClearColor (0,0,0,0); // LordHavoc: changed from red to black
590         glCullFace(GL_FRONT);
591
592 //      glAlphaFunc(GL_GREATER, 0.666);
593 }
594
595 /*
596 =================
597 GL_BeginRendering
598
599 =================
600 */
601 void GL_BeginRendering (int *x, int *y, int *width, int *height)
602 {
603 //      extern cvar_t gl_clear;
604
605         *x = *y = 0;
606         *width = WindowRect.right - WindowRect.left;
607         *height = WindowRect.bottom - WindowRect.top;
608
609 //      if (!wglMakeCurrent( maindc, baseRC ))
610 //              Sys_Error ("wglMakeCurrent failed");
611
612 //      glViewport (*x, *y, *width, *height);
613 }
614
615
616 void GL_EndRendering (void)
617 {
618         if (!scr_skipupdate)
619                 SwapBuffers(maindc);
620
621 // handle the mouse state when windowed if that's changed
622         if (modestate == MS_WINDOWED)
623         {
624                 if (!_windowed_mouse.value)
625                 {
626                         if (windowed_mouse)
627                         {
628                                 IN_DeactivateMouse ();
629                                 IN_ShowMouse ();
630                                 windowed_mouse = false;
631                         }
632                 }
633                 else
634                 {
635                         windowed_mouse = true;
636                         if (key_dest == key_game && !mouseactive && ActiveApp)
637                         {
638                                 IN_ActivateMouse ();
639                                 IN_HideMouse ();
640                         }
641                         else if (mouseactive && key_dest != key_game)
642                         {
643                                 IN_DeactivateMouse ();
644                                 IN_ShowMouse ();
645                         }
646                 }
647         }
648 }
649
650 void VID_SetDefaultMode (void)
651 {
652         IN_DeactivateMouse ();
653 }
654
655
656 void    VID_Shutdown (void)
657 {
658         HGLRC hRC;
659         HDC       hDC;
660         int i;
661         GLuint temp[8192];
662
663         if (vid_initialized)
664         {
665                 vid_canalttab = false;
666                 hRC = wglGetCurrentContext();
667         hDC = wglGetCurrentDC();
668
669         wglMakeCurrent(NULL, NULL);
670
671                 // LordHavoc: free textures before closing (may help NVIDIA)
672                 for (i = 0;i < 8192;i++) temp[i] = i;
673                 glDeleteTextures(8192, temp);
674
675         if (hRC)
676             wglDeleteContext(hRC);
677
678                 if (hDC && dibwindow)
679                         ReleaseDC(dibwindow, hDC);
680
681                 if (modestate == MS_FULLDIB)
682                         ChangeDisplaySettings (NULL, 0);
683
684                 if (maindc && dibwindow)
685                         ReleaseDC (dibwindow, maindc);
686
687                 AppActivate(false, false);
688         }
689 }
690
691
692 //==========================================================================
693
694
695 BOOL bSetupPixelFormat(HDC hDC)
696 {
697     static PIXELFORMATDESCRIPTOR pfd = {
698         sizeof(PIXELFORMATDESCRIPTOR),  // size of this pfd
699         1,                              // version number
700         PFD_DRAW_TO_WINDOW              // support window
701         |  PFD_SUPPORT_OPENGL   // support OpenGL
702         |  PFD_DOUBLEBUFFER ,   // double buffered
703         PFD_TYPE_RGBA,                  // RGBA type
704         24,                             // 24-bit color depth
705         0, 0, 0, 0, 0, 0,               // color bits ignored
706         0,                              // no alpha buffer
707         0,                              // shift bit ignored
708         0,                              // no accumulation buffer
709         0, 0, 0, 0,                     // accum bits ignored
710         32,                             // 32-bit z-buffer      
711         0,                              // no stencil buffer
712         0,                              // no auxiliary buffer
713         PFD_MAIN_PLANE,                 // main layer
714         0,                              // reserved
715         0, 0, 0                         // layer masks ignored
716     };
717     int pixelformat;
718
719     if ( (pixelformat = ChoosePixelFormat(hDC, &pfd)) == 0 )
720     {
721         MessageBox(NULL, "ChoosePixelFormat failed", "Error", MB_OK);
722         return FALSE;
723     }
724
725     if (SetPixelFormat(hDC, pixelformat, &pfd) == FALSE)
726     {
727         MessageBox(NULL, "SetPixelFormat failed", "Error", MB_OK);
728         return FALSE;
729     }
730
731     return TRUE;
732 }
733
734
735
736 byte        scantokey[128] = 
737                                         { 
738 //  0           1       2       3       4       5       6       7 
739 //  8           9       A       B       C       D       E       F 
740         0  ,    27,     '1',    '2',    '3',    '4',    '5',    '6', 
741         '7',    '8',    '9',    '0',    '-',    '=',    K_BACKSPACE, 9, // 0 
742         'q',    'w',    'e',    'r',    't',    'y',    'u',    'i', 
743         'o',    'p',    '[',    ']',    13 ,    K_CTRL,'a',  's',      // 1 
744         'd',    'f',    'g',    'h',    'j',    'k',    'l',    ';', 
745         '\'' ,    '`',    K_SHIFT,'\\',  'z',    'x',    'c',    'v',      // 2 
746         'b',    'n',    'm',    ',',    '.',    '/',    K_SHIFT,'*', 
747         K_ALT,' ',   0  ,    K_F1, K_F2, K_F3, K_F4, K_F5,   // 3 
748         K_F6, K_F7, K_F8, K_F9, K_F10, K_PAUSE  ,    0  , K_HOME, 
749         K_UPARROW,K_PGUP,'-',K_LEFTARROW,'5',K_RIGHTARROW,'+',K_END, //4 
750         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0,0,             0,              K_F11, 
751         K_F12,0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,        // 5 
752         0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0, 
753         0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,        // 6 
754         0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0, 
755         0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0         // 7 
756                                         }; 
757
758 byte        shiftscantokey[128] = 
759                                         { 
760 //  0           1       2       3       4       5       6       7 
761 //  8           9       A       B       C       D       E       F 
762         0  ,    27,     '!',    '@',    '#',    '$',    '%',    '^', 
763         '&',    '*',    '(',    ')',    '_',    '+',    K_BACKSPACE, 9, // 0 
764         'Q',    'W',    'E',    'R',    'T',    'Y',    'U',    'I', 
765         'O',    'P',    '{',    '}',    13 ,    K_CTRL,'A',  'S',      // 1 
766         'D',    'F',    'G',    'H',    'J',    'K',    'L',    ':', 
767         '"' ,    '~',    K_SHIFT,'|',  'Z',    'X',    'C',    'V',      // 2 
768         'B',    'N',    'M',    '<',    '>',    '?',    K_SHIFT,'*', 
769         K_ALT,' ',   0  ,    K_F1, K_F2, K_F3, K_F4, K_F5,   // 3 
770         K_F6, K_F7, K_F8, K_F9, K_F10, K_PAUSE  ,    0  , K_HOME, 
771         K_UPARROW,K_PGUP,'_',K_LEFTARROW,'%',K_RIGHTARROW,'+',K_END, //4 
772         K_DOWNARROW,K_PGDN,K_INS,K_DEL,0,0,             0,              K_F11, 
773         K_F12,0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,        // 5 
774         0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0, 
775         0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0,        // 6 
776         0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0, 
777         0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0  ,    0         // 7 
778                                         }; 
779
780
781 /*
782 =======
783 MapKey
784
785 Map from windows to quake keynums
786 =======
787 */
788 int MapKey (int key)
789 {
790         key = (key>>16)&255;
791         if (key > 127)
792                 return 0;
793         if (scantokey[key] == 0)
794                 Con_DPrintf("key 0x%02x has no translation\n", key);
795         return scantokey[key];
796 }
797
798 /*
799 ===================================================================
800
801 MAIN WINDOW
802
803 ===================================================================
804 */
805
806 /*
807 ================
808 ClearAllStates
809 ================
810 */
811 void ClearAllStates (void)
812 {
813         int             i;
814         
815 // send an up event for each key, to make sure the server clears them all
816         for (i=0 ; i<256 ; i++)
817         {
818                 Key_Event (i, false);
819         }
820
821         Key_ClearStates ();
822         IN_ClearStates ();
823 }
824
825 void AppActivate(BOOL fActive, BOOL minimize)
826 /****************************************************************************
827 *
828 * Function:     AppActivate
829 * Parameters:   fActive - True if app is activating
830 *
831 * Description:  If the application is activating, then swap the system
832 *               into SYSPAL_NOSTATIC mode so that our palettes will display
833 *               correctly.
834 *
835 ****************************************************************************/
836 {
837         static BOOL     sound_active;
838
839         ActiveApp = fActive;
840         Minimized = minimize;
841
842 // enable/disable sound on focus gain/loss
843         if (!ActiveApp && sound_active)
844         {
845                 S_BlockSound ();
846                 sound_active = false;
847         }
848         else if (ActiveApp && !sound_active)
849         {
850                 S_UnblockSound ();
851                 sound_active = true;
852         }
853
854         if (fActive)
855         {
856                 if (modestate == MS_FULLDIB)
857                 {
858                         IN_ActivateMouse ();
859                         IN_HideMouse ();
860                         if (vid_canalttab && vid_wassuspended) {
861                                 vid_wassuspended = false;
862                                 ChangeDisplaySettings (&gdevmode, CDS_FULLSCREEN);
863                                 ShowWindow(mainwindow, SW_SHOWNORMAL);
864                         }
865                 }
866                 else if ((modestate == MS_WINDOWED) && _windowed_mouse.value && key_dest == key_game)
867                 {
868                         IN_ActivateMouse ();
869                         IN_HideMouse ();
870                 }
871         }
872
873         if (!fActive)
874         {
875                 if (modestate == MS_FULLDIB)
876                 {
877                         IN_DeactivateMouse ();
878                         IN_ShowMouse ();
879                         if (vid_canalttab) { 
880                                 ChangeDisplaySettings (NULL, 0);
881                                 vid_wassuspended = true;
882                         }
883                 }
884                 else if ((modestate == MS_WINDOWED) && _windowed_mouse.value)
885                 {
886                         IN_DeactivateMouse ();
887                         IN_ShowMouse ();
888                 }
889         }
890 }
891
892 LONG CDAudio_MessageHandler(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
893
894 /* main window procedure */
895 LONG WINAPI MainWndProc (
896     HWND    hWnd,
897     UINT    uMsg,
898     WPARAM  wParam,
899     LPARAM  lParam)
900 {
901     LONG    lRet = 1;
902         int             fActive, fMinimized, temp;
903         extern unsigned int uiWheelMessage;
904
905         if ( uMsg == uiWheelMessage )
906                 uMsg = WM_MOUSEWHEEL;
907
908     switch (uMsg)
909     {
910                 case WM_KILLFOCUS:
911                         if (modestate == MS_FULLDIB)
912                                 ShowWindow(mainwindow, SW_SHOWMINNOACTIVE);
913                         break;
914
915                 case WM_CREATE:
916                         break;
917
918                 case WM_MOVE:
919                         window_x = (int) LOWORD(lParam);
920                         window_y = (int) HIWORD(lParam);
921                         VID_UpdateWindowStatus ();
922                         break;
923
924                 case WM_KEYDOWN:
925                 case WM_SYSKEYDOWN:
926                         Key_Event (MapKey(lParam), true);
927                         break;
928                         
929                 case WM_KEYUP:
930                 case WM_SYSKEYUP:
931                         Key_Event (MapKey(lParam), false);
932                         break;
933
934                 case WM_SYSCHAR:
935                 // keep Alt-Space from happening
936                         break;
937
938         // this is complicated because Win32 seems to pack multiple mouse events into
939         // one update sometimes, so we always check all states and look for events
940                 case WM_LBUTTONDOWN:
941                 case WM_LBUTTONUP:
942                 case WM_RBUTTONDOWN:
943                 case WM_RBUTTONUP:
944                 case WM_MBUTTONDOWN:
945                 case WM_MBUTTONUP:
946                 case WM_MOUSEMOVE:
947                         temp = 0;
948
949                         if (wParam & MK_LBUTTON)
950                                 temp |= 1;
951
952                         if (wParam & MK_RBUTTON)
953                                 temp |= 2;
954
955                         if (wParam & MK_MBUTTON)
956                                 temp |= 4;
957
958                         IN_MouseEvent (temp);
959
960                         break;
961
962                 // JACK: This is the mouse wheel with the Intellimouse
963                 // Its delta is either positive or neg, and we generate the proper
964                 // Event.
965                 case WM_MOUSEWHEEL: 
966                         if ((short) HIWORD(wParam) > 0) {
967                                 Key_Event(K_MWHEELUP, true);
968                                 Key_Event(K_MWHEELUP, false);
969                         } else {
970                                 Key_Event(K_MWHEELDOWN, true);
971                                 Key_Event(K_MWHEELDOWN, false);
972                         }
973                         break;
974
975         case WM_SIZE:
976             break;
977
978             case WM_CLOSE:
979                         if (MessageBox (mainwindow, "Are you sure you want to quit?", "Confirm Exit",
980                                                 MB_YESNO | MB_SETFOREGROUND | MB_ICONQUESTION) == IDYES)
981                         {
982                                 Sys_Quit ();
983                         }
984
985                 break;
986
987                 case WM_ACTIVATE:
988                         fActive = LOWORD(wParam);
989                         fMinimized = (BOOL) HIWORD(wParam);
990                         AppActivate(!(fActive == WA_INACTIVE), fMinimized);
991
992                 // fix the leftover Alt from any Alt-Tab or the like that switched us away
993                         ClearAllStates ();
994
995                         break;
996
997             case WM_DESTROY:
998         {
999                         if (dibwindow)
1000                                 DestroyWindow (dibwindow);
1001
1002             PostQuitMessage (0);
1003         }
1004         break;
1005
1006                 case MM_MCINOTIFY:
1007             lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
1008                         break;
1009
1010         default:
1011             /* pass all unhandled messages to DefWindowProc */
1012             lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
1013         break;
1014     }
1015
1016     /* return 1 if handled message, 0 if not */
1017     return lRet;
1018 }
1019
1020
1021 /*
1022 =================
1023 VID_NumModes
1024 =================
1025 */
1026 int VID_NumModes (void)
1027 {
1028         return nummodes;
1029 }
1030
1031         
1032 /*
1033 =================
1034 VID_GetModePtr
1035 =================
1036 */
1037 vmode_t *VID_GetModePtr (int modenum)
1038 {
1039
1040         if ((modenum >= 0) && (modenum < nummodes))
1041                 return &modelist[modenum];
1042         else
1043                 return &badmode;
1044 }
1045
1046
1047 /*
1048 =================
1049 VID_GetModeDescription
1050 =================
1051 */
1052 char *VID_GetModeDescription (int mode)
1053 {
1054         char            *pinfo;
1055         vmode_t         *pv;
1056         static char     temp[100];
1057
1058         if ((mode < 0) || (mode >= nummodes))
1059                 return NULL;
1060
1061         if (!leavecurrentmode)
1062         {
1063                 pv = VID_GetModePtr (mode);
1064                 pinfo = pv->modedesc;
1065         }
1066         else
1067         {
1068                 sprintf (temp, "Desktop resolution (%dx%d)",
1069                                  modelist[MODE_FULLSCREEN_DEFAULT].width,
1070                                  modelist[MODE_FULLSCREEN_DEFAULT].height);
1071                 pinfo = temp;
1072         }
1073
1074         return pinfo;
1075 }
1076
1077
1078 // KJB: Added this to return the mode driver name in description for console
1079
1080 char *VID_GetExtModeDescription (int mode)
1081 {
1082         static char     pinfo[40];
1083         vmode_t         *pv;
1084
1085         if ((mode < 0) || (mode >= nummodes))
1086                 return NULL;
1087
1088         pv = VID_GetModePtr (mode);
1089         if (modelist[mode].type == MS_FULLDIB)
1090         {
1091                 if (!leavecurrentmode)
1092                 {
1093                         sprintf(pinfo,"%s fullscreen", pv->modedesc);
1094                 }
1095                 else
1096                 {
1097                         sprintf (pinfo, "Desktop resolution (%dx%d)",
1098                                          modelist[MODE_FULLSCREEN_DEFAULT].width,
1099                                          modelist[MODE_FULLSCREEN_DEFAULT].height);
1100                 }
1101         }
1102         else
1103         {
1104                 if (modestate == MS_WINDOWED)
1105                         sprintf(pinfo, "%s windowed", pv->modedesc);
1106                 else
1107                         sprintf(pinfo, "windowed");
1108         }
1109
1110         return pinfo;
1111 }
1112
1113
1114 /*
1115 =================
1116 VID_DescribeCurrentMode_f
1117 =================
1118 */
1119 void VID_DescribeCurrentMode_f (void)
1120 {
1121         Con_Printf ("%s\n", VID_GetExtModeDescription (vid_modenum));
1122 }
1123
1124
1125 /*
1126 =================
1127 VID_NumModes_f
1128 =================
1129 */
1130 void VID_NumModes_f (void)
1131 {
1132
1133         if (nummodes == 1)
1134                 Con_Printf ("%d video mode is available\n", nummodes);
1135         else
1136                 Con_Printf ("%d video modes are available\n", nummodes);
1137 }
1138
1139
1140 /*
1141 =================
1142 VID_DescribeMode_f
1143 =================
1144 */
1145 void VID_DescribeMode_f (void)
1146 {
1147         int             t, modenum;
1148         
1149         modenum = atoi (Cmd_Argv(1));
1150
1151         t = leavecurrentmode;
1152         leavecurrentmode = 0;
1153
1154         Con_Printf ("%s\n", VID_GetExtModeDescription (modenum));
1155
1156         leavecurrentmode = t;
1157 }
1158
1159
1160 /*
1161 =================
1162 VID_DescribeModes_f
1163 =================
1164 */
1165 void VID_DescribeModes_f (void)
1166 {
1167         int                     i, lnummodes, t;
1168         char            *pinfo;
1169         vmode_t         *pv;
1170
1171         lnummodes = VID_NumModes ();
1172
1173         t = leavecurrentmode;
1174         leavecurrentmode = 0;
1175
1176         for (i=1 ; i<lnummodes ; i++)
1177         {
1178                 pv = VID_GetModePtr (i);
1179                 pinfo = VID_GetExtModeDescription (i);
1180                 Con_Printf ("%2d: %s\n", i, pinfo);
1181         }
1182
1183         leavecurrentmode = t;
1184 }
1185
1186
1187 void VID_InitDIB (HINSTANCE hInstance)
1188 {
1189         WNDCLASS                wc;
1190
1191         /* Register the frame class */
1192     wc.style         = 0;
1193     wc.lpfnWndProc   = (WNDPROC)MainWndProc;
1194     wc.cbClsExtra    = 0;
1195     wc.cbWndExtra    = 0;
1196     wc.hInstance     = hInstance;
1197     wc.hIcon         = 0;
1198     wc.hCursor       = LoadCursor (NULL,IDC_ARROW);
1199         wc.hbrBackground = NULL;
1200     wc.lpszMenuName  = 0;
1201 #ifdef NEHAHRA
1202     wc.lpszClassName = "DPNehahraQuake";
1203 #else
1204     wc.lpszClassName = "DarkPlacesQuake";
1205 #endif
1206
1207     if (!RegisterClass (&wc) )
1208                 Sys_Error ("Couldn't register window class");
1209
1210         modelist[0].type = MS_WINDOWED;
1211
1212         if (COM_CheckParm("-width"))
1213                 modelist[0].width = atoi(com_argv[COM_CheckParm("-width")+1]);
1214         else
1215                 modelist[0].width = 640;
1216
1217         if (modelist[0].width < 320)
1218                 modelist[0].width = 320;
1219
1220         if (COM_CheckParm("-height"))
1221                 modelist[0].height= atoi(com_argv[COM_CheckParm("-height")+1]);
1222         else
1223                 modelist[0].height = modelist[0].width * 240/320;
1224
1225         if (modelist[0].height < 240)
1226                 modelist[0].height = 240;
1227
1228         sprintf (modelist[0].modedesc, "%dx%d",
1229                          modelist[0].width, modelist[0].height);
1230
1231         modelist[0].modenum = MODE_WINDOWED;
1232         modelist[0].dib = 1;
1233         modelist[0].fullscreen = 0;
1234         modelist[0].halfscreen = 0;
1235         modelist[0].bpp = 0;
1236
1237         nummodes = 1;
1238 }
1239
1240
1241 /*
1242 =================
1243 VID_InitFullDIB
1244 =================
1245 */
1246 void VID_InitFullDIB (HINSTANCE hInstance)
1247 {
1248         DEVMODE devmode;
1249         int             i, modenum, originalnummodes, existingmode, numlowresmodes;
1250         int             j, bpp, done;
1251         BOOL    stat;
1252
1253 // enumerate >8 bpp modes
1254         originalnummodes = nummodes;
1255         modenum = 0;
1256
1257         do
1258         {
1259                 stat = EnumDisplaySettings (NULL, modenum, &devmode);
1260
1261                 if ((devmode.dmBitsPerPel >= 15) &&
1262                         (devmode.dmPelsWidth <= MAXWIDTH) &&
1263                         (devmode.dmPelsHeight <= MAXHEIGHT) &&
1264                         (nummodes < MAX_MODE_LIST))
1265                 {
1266                         devmode.dmFields = DM_BITSPERPEL |
1267                                                            DM_PELSWIDTH |
1268                                                            DM_PELSHEIGHT;
1269
1270                         if (ChangeDisplaySettings (&devmode, CDS_TEST | CDS_FULLSCREEN) ==
1271                                         DISP_CHANGE_SUCCESSFUL)
1272                         {
1273                                 modelist[nummodes].type = MS_FULLDIB;
1274                                 modelist[nummodes].width = devmode.dmPelsWidth;
1275                                 modelist[nummodes].height = devmode.dmPelsHeight;
1276                                 modelist[nummodes].modenum = 0;
1277                                 modelist[nummodes].halfscreen = 0;
1278                                 modelist[nummodes].dib = 1;
1279                                 modelist[nummodes].fullscreen = 1;
1280                                 modelist[nummodes].bpp = devmode.dmBitsPerPel;
1281                                 sprintf (modelist[nummodes].modedesc, "%dx%dx%d",
1282                                                  devmode.dmPelsWidth, devmode.dmPelsHeight,
1283                                                  devmode.dmBitsPerPel);
1284
1285                         // if the width is more than twice the height, reduce it by half because this
1286                         // is probably a dual-screen monitor
1287                                 if (!COM_CheckParm("-noadjustaspect"))
1288                                 {
1289                                         if (modelist[nummodes].width > (modelist[nummodes].height << 1))
1290                                         {
1291                                                 modelist[nummodes].width >>= 1;
1292                                                 modelist[nummodes].halfscreen = 1;
1293                                                 sprintf (modelist[nummodes].modedesc, "%dx%dx%d",
1294                                                                  modelist[nummodes].width,
1295                                                                  modelist[nummodes].height,
1296                                                                  modelist[nummodes].bpp);
1297                                         }
1298                                 }
1299
1300                                 for (i=originalnummodes, existingmode = 0 ; i<nummodes ; i++)
1301                                 {
1302                                         if ((modelist[nummodes].width == modelist[i].width)   &&
1303                                                 (modelist[nummodes].height == modelist[i].height) &&
1304                                                 (modelist[nummodes].bpp == modelist[i].bpp))
1305                                         {
1306                                                 existingmode = 1;
1307                                                 break;
1308                                         }
1309                                 }
1310
1311                                 if (!existingmode)
1312                                 {
1313                                         nummodes++;
1314                                 }
1315                         }
1316                 }
1317
1318                 modenum++;
1319         } while (stat);
1320
1321 // see if there are any low-res modes that aren't being reported
1322         numlowresmodes = sizeof(lowresmodes) / sizeof(lowresmodes[0]);
1323         bpp = 16;
1324         done = 0;
1325
1326         do
1327         {
1328                 for (j=0 ; (j<numlowresmodes) && (nummodes < MAX_MODE_LIST) ; j++)
1329                 {
1330                         devmode.dmBitsPerPel = bpp;
1331                         devmode.dmPelsWidth = lowresmodes[j].width;
1332                         devmode.dmPelsHeight = lowresmodes[j].height;
1333                         devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
1334
1335                         if (ChangeDisplaySettings (&devmode, CDS_TEST | CDS_FULLSCREEN) ==
1336                                         DISP_CHANGE_SUCCESSFUL)
1337                         {
1338                                 modelist[nummodes].type = MS_FULLDIB;
1339                                 modelist[nummodes].width = devmode.dmPelsWidth;
1340                                 modelist[nummodes].height = devmode.dmPelsHeight;
1341                                 modelist[nummodes].modenum = 0;
1342                                 modelist[nummodes].halfscreen = 0;
1343                                 modelist[nummodes].dib = 1;
1344                                 modelist[nummodes].fullscreen = 1;
1345                                 modelist[nummodes].bpp = devmode.dmBitsPerPel;
1346                                 sprintf (modelist[nummodes].modedesc, "%dx%dx%d",
1347                                                  devmode.dmPelsWidth, devmode.dmPelsHeight,
1348                                                  devmode.dmBitsPerPel);
1349
1350                                 for (i=originalnummodes, existingmode = 0 ; i<nummodes ; i++)
1351                                 {
1352                                         if ((modelist[nummodes].width == modelist[i].width)   &&
1353                                                 (modelist[nummodes].height == modelist[i].height) &&
1354                                                 (modelist[nummodes].bpp == modelist[i].bpp))
1355                                         {
1356                                                 existingmode = 1;
1357                                                 break;
1358                                         }
1359                                 }
1360
1361                                 if (!existingmode)
1362                                 {
1363                                         nummodes++;
1364                                 }
1365                         }
1366                 }
1367                 switch (bpp)
1368                 {
1369                         case 16:
1370                                 bpp = 32;
1371                                 break;
1372
1373                         case 32:
1374                                 bpp = 24;
1375                                 break;
1376
1377                         case 24:
1378                                 done = 1;
1379                                 break;
1380                 }
1381         } while (!done);
1382
1383         if (nummodes == originalnummodes)
1384                 Con_SafePrintf ("No fullscreen DIB modes found\n");
1385 }
1386
1387 qboolean VID_Is8bit()
1388 {
1389         return is8bit;
1390 }
1391
1392 #define GL_SHARED_TEXTURE_PALETTE_EXT 0x81FB
1393
1394 void VID_Init8bitPalette() 
1395 {
1396         // Check for 8bit Extensions and initialize them.
1397         int i;
1398         char thePalette[256*3];
1399         char *oldPalette, *newPalette;
1400         // LordHavoc: 8bit texture support broke many things...  it now must be specifically stated on the commandline (-no8bit became -8bit)
1401         if (!COM_CheckParm("-8bit"))
1402                 return;
1403         if (strstr(gl_extensions, "GL_EXT_shared_texture_palette"))
1404                 return;
1405         if (!(glColorTableEXT = (void *)wglGetProcAddress("glColorTableEXT")))
1406                 return;
1407
1408         Con_SafePrintf("8-bit GL extensions enabled.\n");
1409         glEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
1410         oldPalette = (char *) d_8to24table;
1411         newPalette = thePalette;
1412         for (i=0;i<256;i++)
1413         {
1414                 *newPalette++ = *oldPalette++;
1415                 *newPalette++ = *oldPalette++;
1416                 *newPalette++ = *oldPalette++;
1417                 oldPalette++;
1418         }
1419         glColorTableEXT(GL_SHARED_TEXTURE_PALETTE_EXT, GL_RGB, 256, GL_RGB, GL_UNSIGNED_BYTE, (void *) thePalette);
1420         is8bit = TRUE;
1421 }
1422
1423 extern void Check_Gamma (unsigned char *pal);
1424 void VID_Setup15to8Palette ();
1425
1426 /*
1427 ===================
1428 VID_Init
1429 ===================
1430 */
1431 void    VID_Init (unsigned char *palette)
1432 {
1433         int             i, existingmode;
1434         int             basenummodes, width, height, bpp, findbpp, done;
1435 //      char    gldir[MAX_OSPATH];
1436         HDC             hdc;
1437         DEVMODE devmode;
1438
1439         memset(&devmode, 0, sizeof(devmode));
1440
1441         Cvar_RegisterVariable (&vid_mode);
1442         Cvar_RegisterVariable (&vid_wait);
1443         Cvar_RegisterVariable (&vid_nopageflip);
1444         Cvar_RegisterVariable (&_vid_wait_override);
1445         Cvar_RegisterVariable (&_vid_default_mode);
1446         Cvar_RegisterVariable (&_vid_default_mode_win);
1447         Cvar_RegisterVariable (&vid_config_x);
1448         Cvar_RegisterVariable (&vid_config_y);
1449         Cvar_RegisterVariable (&vid_stretch_by_2);
1450         Cvar_RegisterVariable (&_windowed_mouse);
1451
1452         Cmd_AddCommand ("vid_nummodes", VID_NumModes_f);
1453         Cmd_AddCommand ("vid_describecurrentmode", VID_DescribeCurrentMode_f);
1454         Cmd_AddCommand ("vid_describemode", VID_DescribeMode_f);
1455         Cmd_AddCommand ("vid_describemodes", VID_DescribeModes_f);
1456
1457         hIcon = LoadIcon (global_hInstance, MAKEINTRESOURCE (IDI_ICON2));
1458
1459         InitCommonControls();
1460
1461         VID_InitDIB (global_hInstance);
1462         basenummodes = nummodes = 1;
1463
1464         VID_InitFullDIB (global_hInstance);
1465
1466         if (COM_CheckParm("-window"))
1467         {
1468                 hdc = GetDC (NULL);
1469
1470                 if (GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)
1471                 {
1472                         Sys_Error ("Can't run in non-RGB mode");
1473                 }
1474
1475                 ReleaseDC (NULL, hdc);
1476
1477                 windowed = true;
1478
1479                 vid_default = MODE_WINDOWED;
1480         }
1481         else
1482         {
1483                 if (nummodes == 1)
1484                         Sys_Error ("No RGB fullscreen modes available");
1485
1486                 windowed = false;
1487
1488                 if (COM_CheckParm("-mode"))
1489                 {
1490                         vid_default = atoi(com_argv[COM_CheckParm("-mode")+1]);
1491                 }
1492                 else
1493                 {
1494                         if (COM_CheckParm("-current"))
1495                         {
1496                                 modelist[MODE_FULLSCREEN_DEFAULT].width =
1497                                                 GetSystemMetrics (SM_CXSCREEN);
1498                                 modelist[MODE_FULLSCREEN_DEFAULT].height =
1499                                                 GetSystemMetrics (SM_CYSCREEN);
1500                                 vid_default = MODE_FULLSCREEN_DEFAULT;
1501                                 leavecurrentmode = 1;
1502                         }
1503                         else
1504                         {
1505                                 if (COM_CheckParm("-width"))
1506                                 {
1507                                         width = atoi(com_argv[COM_CheckParm("-width")+1]);
1508                                 }
1509                                 else
1510                                 {
1511                                         width = 640;
1512                                 }
1513
1514                                 if (COM_CheckParm("-bpp"))
1515                                 {
1516                                         bpp = atoi(com_argv[COM_CheckParm("-bpp")+1]);
1517                                         findbpp = 0;
1518                                 }
1519                                 else
1520                                 {
1521                                         bpp = 15;
1522                                         findbpp = 1;
1523                                 }
1524
1525                                 if (COM_CheckParm("-height"))
1526                                         height = atoi(com_argv[COM_CheckParm("-height")+1]);
1527
1528                         // if they want to force it, add the specified mode to the list
1529                                 if (COM_CheckParm("-force") && (nummodes < MAX_MODE_LIST))
1530                                 {
1531                                         modelist[nummodes].type = MS_FULLDIB;
1532                                         modelist[nummodes].width = width;
1533                                         modelist[nummodes].height = height;
1534                                         modelist[nummodes].modenum = 0;
1535                                         modelist[nummodes].halfscreen = 0;
1536                                         modelist[nummodes].dib = 1;
1537                                         modelist[nummodes].fullscreen = 1;
1538                                         modelist[nummodes].bpp = bpp;
1539                                         sprintf (modelist[nummodes].modedesc, "%dx%dx%d",
1540                                                          devmode.dmPelsWidth, devmode.dmPelsHeight,
1541                                                          devmode.dmBitsPerPel);
1542
1543                                         for (i=nummodes, existingmode = 0 ; i<nummodes ; i++)
1544                                         {
1545                                                 if ((modelist[nummodes].width == modelist[i].width)   &&
1546                                                         (modelist[nummodes].height == modelist[i].height) &&
1547                                                         (modelist[nummodes].bpp == modelist[i].bpp))
1548                                                 {
1549                                                         existingmode = 1;
1550                                                         break;
1551                                                 }
1552                                         }
1553
1554                                         if (!existingmode)
1555                                         {
1556                                                 nummodes++;
1557                                         }
1558                                 }
1559
1560                                 done = 0;
1561
1562                                 do
1563                                 {
1564                                         if (COM_CheckParm("-height"))
1565                                         {
1566                                                 height = atoi(com_argv[COM_CheckParm("-height")+1]);
1567
1568                                                 for (i=1, vid_default=0 ; i<nummodes ; i++)
1569                                                 {
1570                                                         if ((modelist[i].width == width) &&
1571                                                                 (modelist[i].height == height) &&
1572                                                                 (modelist[i].bpp == bpp))
1573                                                         {
1574                                                                 vid_default = i;
1575                                                                 done = 1;
1576                                                                 break;
1577                                                         }
1578                                                 }
1579                                         }
1580                                         else
1581                                         {
1582                                                 for (i=1, vid_default=0 ; i<nummodes ; i++)
1583                                                 {
1584                                                         if ((modelist[i].width == width) && (modelist[i].bpp == bpp))
1585                                                         {
1586                                                                 vid_default = i;
1587                                                                 done = 1;
1588                                                                 break;
1589                                                         }
1590                                                 }
1591                                         }
1592
1593                                         if (!done)
1594                                         {
1595                                                 if (findbpp)
1596                                                 {
1597                                                         switch (bpp)
1598                                                         {
1599                                                         case 15:
1600                                                                 bpp = 16;
1601                                                                 break;
1602                                                         case 16:
1603                                                                 bpp = 32;
1604                                                                 break;
1605                                                         case 32:
1606                                                                 bpp = 24;
1607                                                                 break;
1608                                                         case 24:
1609                                                                 done = 1;
1610                                                                 break;
1611                                                         }
1612                                                 }
1613                                                 else
1614                                                 {
1615                                                         done = 1;
1616                                                 }
1617                                         }
1618                                 }
1619                                 while (!done);
1620
1621                                 if (!vid_default)
1622                                 {
1623                                         Sys_Error ("Specified video mode not available");
1624                                 }
1625                         }
1626                 }
1627         }
1628
1629         vid_initialized = true;
1630
1631         if ((i = COM_CheckParm("-conwidth")) != 0)
1632                 vid.conwidth = atoi(com_argv[i+1]);
1633         else
1634                 vid.conwidth = 640;
1635
1636         vid.conwidth &= 0xfff8; // make it a multiple of eight
1637
1638         if (vid.conwidth < 320)
1639                 vid.conwidth = 320;
1640
1641         // pick a conheight that matches with correct aspect
1642         vid.conheight = vid.conwidth*3 / 4;
1643
1644         if ((i = COM_CheckParm("-conheight")) != 0)
1645                 vid.conheight = atoi(com_argv[i+1]);
1646         if (vid.conheight < 200)
1647                 vid.conheight = 200;
1648
1649         DestroyWindow (hwnd_dialog);
1650
1651         VID_SetPalette (palette);
1652
1653         Check_Gamma(palette);
1654
1655         VID_SetMode (vid_default, palette);
1656
1657         maindc = GetDC(mainwindow);
1658         bSetupPixelFormat(maindc);
1659
1660         baseRC = wglCreateContext( maindc );
1661         if (!baseRC)
1662                 Sys_Error ("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.");
1663         if (!wglMakeCurrent( maindc, baseRC ))
1664                 Sys_Error ("wglMakeCurrent failed");
1665
1666         GL_Init ();
1667
1668 //      sprintf (gldir, "%s/glquake", com_gamedir);
1669 //      Sys_mkdir (gldir);
1670
1671         vid_realmode = vid_modenum;
1672
1673         VID_Init8bitPalette();
1674
1675         if (is8bit) // LordHavoc: avoid calculating 15to8 table if it won't be used
1676                 VID_Setup15to8Palette ();
1677
1678         vid_menudrawfn = VID_MenuDraw;
1679         vid_menukeyfn = VID_MenuKey;
1680
1681         strcpy (badmode.modedesc, "Bad mode");
1682         vid_canalttab = true;
1683 }
1684
1685
1686 //========================================================
1687 // Video menu stuff
1688 //========================================================
1689
1690 extern void M_Menu_Options_f (void);
1691 extern void M_Print (int cx, int cy, char *str);
1692 extern void M_PrintWhite (int cx, int cy, char *str);
1693 extern void M_DrawCharacter (int cx, int line, int num);
1694 extern void M_DrawTransPic (int x, int y, qpic_t *pic);
1695 extern void M_DrawPic (int x, int y, qpic_t *pic);
1696
1697 static int      vid_line, vid_wmodes;
1698
1699 typedef struct
1700 {
1701         int             modenum;
1702         char    *desc;
1703         int             iscur;
1704 } modedesc_t;
1705
1706 #define MAX_COLUMN_SIZE         9
1707 #define MODE_AREA_HEIGHT        (MAX_COLUMN_SIZE + 2)
1708 #define MAX_MODEDESCS           (MAX_COLUMN_SIZE*3)
1709
1710 static modedesc_t       modedescs[MAX_MODEDESCS];
1711
1712 /*
1713 ================
1714 VID_MenuDraw
1715 ================
1716 */
1717 void VID_MenuDraw (void)
1718 {
1719         qpic_t          *p;
1720         char            *ptr;
1721         int                     lnummodes, i, k, column, row;
1722         vmode_t         *pv;
1723
1724         p = Draw_CachePic ("gfx/vidmodes.lmp");
1725         M_DrawPic ( (320-p->width)/2, 4, p);
1726
1727         vid_wmodes = 0;
1728         lnummodes = VID_NumModes ();
1729         
1730         for (i=1 ; (i<lnummodes) && (vid_wmodes < MAX_MODEDESCS) ; i++)
1731         {
1732                 ptr = VID_GetModeDescription (i);
1733                 pv = VID_GetModePtr (i);
1734
1735                 k = vid_wmodes;
1736
1737                 modedescs[k].modenum = i;
1738                 modedescs[k].desc = ptr;
1739                 modedescs[k].iscur = 0;
1740
1741                 if (i == vid_modenum)
1742                         modedescs[k].iscur = 1;
1743
1744                 vid_wmodes++;
1745
1746         }
1747
1748         if (vid_wmodes > 0)
1749         {
1750                 M_Print (2*8, 36+0*8, "Fullscreen Modes (WIDTHxHEIGHTxBPP)");
1751
1752                 column = 8;
1753                 row = 36+2*8;
1754
1755                 for (i=0 ; i<vid_wmodes ; i++)
1756                 {
1757                         if (modedescs[i].iscur)
1758                                 M_PrintWhite (column, row, modedescs[i].desc);
1759                         else
1760                                 M_Print (column, row, modedescs[i].desc);
1761
1762                         column += 13*8;
1763
1764                         if ((i % VID_ROW_SIZE) == (VID_ROW_SIZE - 1))
1765                         {
1766                                 column = 8;
1767                                 row += 8;
1768                         }
1769                 }
1770         }
1771
1772         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*2,
1773                          "Video modes must be set from the");
1774         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*3,
1775                          "command line with -width <width>");
1776         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*4,
1777                          "and -bpp <bits-per-pixel>");
1778         M_Print (3*8, 36 + MODE_AREA_HEIGHT * 8 + 8*6,
1779                          "Select windowed mode with -window");
1780 }
1781
1782
1783 /*
1784 ================
1785 VID_MenuKey
1786 ================
1787 */
1788 void VID_MenuKey (int key)
1789 {
1790         switch (key)
1791         {
1792         case K_ESCAPE:
1793                 S_LocalSound ("misc/menu1.wav");
1794                 M_Menu_Options_f ();
1795                 break;
1796
1797         default:
1798                 break;
1799         }
1800 }