sys_win.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 // sys_win.c -- Win32 system interface code
  21
  22 #include "quakedef.h"
  23 #include <windows.h>
  24 #include <mmsystem.h>
  25 #ifdef SUPPORTDIRECTX
  26 #include <dsound.h>
  27 #endif
  28 #include "errno.h"
  29 #include "resource.h"
  30 #include "conproc.h"
  31 #include "direct.h"
  32
  33 cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1", "use windows timeGetTime function (which has issues on some motherboards) for timing rather than QueryPerformanceCounter timer (which has issues on multicore/multiprocessor machines and processors which are designed to conserve power)"};
  34
  35 HANDLE                          hinput, houtput;
  36
  37 #ifdef QHOST
  38 static HANDLE   tevent;
  39 static HANDLE   hFile;
  40 static HANDLE   heventParent;
  41 static HANDLE   heventChild;
  42 #endif
  43
  44
  45 /*
  46 ===============================================================================
  47
  48 SYSTEM IO
  49
  50 ===============================================================================
  51 */
  52
  53 void Sys_Error (const char *error, ...)
  54 {
  55         va_list         argptr;
  56         char            text[MAX_INPUTLINE];
  57         static int      in_sys_error0 = 0;
  58         static int      in_sys_error1 = 0;
  59         static int      in_sys_error2 = 0;
  60         static int      in_sys_error3 = 0;
  61
  62         va_start (argptr, error);
  63         dpvsnprintf (text, sizeof (text), error, argptr);
  64         va_end (argptr);
  65
  66         Con_Printf ("Quake Error: %s\n", text);
  67
  68         // close video so the message box is visible, unless we already tried that
  69         if (!in_sys_error0 && cls.state != ca_dedicated)
  70         {
  71                 in_sys_error0 = 1;
  72                 VID_Shutdown();
  73         }
  74
  75         if (!in_sys_error3 && cls.state != ca_dedicated)
  76         {
  77                 in_sys_error3 = true;
  78                 MessageBox(NULL, text, "Quake Error", MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
  79         }
  80
  81         if (!in_sys_error1)
  82         {
  83                 in_sys_error1 = 1;
  84                 Host_Shutdown ();
  85         }
  86
  87 // shut down QHOST hooks if necessary
  88         if (!in_sys_error2)
  89         {
  90                 in_sys_error2 = 1;
  91                 Sys_Shutdown ();
  92         }
  93
  94         exit (1);
  95 }
  96
  97 void Sys_Shutdown (void)
  98 {
  99 #ifdef QHOST
 100         if (tevent)
 101                 CloseHandle (tevent);
 102 #endif
 103
 104         if (cls.state == ca_dedicated)
 105                 FreeConsole ();
 106
 107 #ifdef QHOST
 108 // shut down QHOST hooks if necessary
 109         DeinitConProc ();
 110 #endif
 111 }
 112
 113 void Sys_PrintToTerminal(const char *text)
 114 {
 115         DWORD dummy;
 116         extern HANDLE houtput;
 117
 118         if ((houtput != 0) && (houtput != INVALID_HANDLE_VALUE))
 119                 WriteFile(houtput, text, (DWORD) strlen(text), &dummy, NULL);
 120 }
 121
 122 char *Sys_ConsoleInput (void)
 123 {
 124         static char text[MAX_INPUTLINE];
 125         static int len;
 126         INPUT_RECORD recs[1024];
 127         int ch;
 128         DWORD numread, numevents, dummy;
 129
 130         if (cls.state != ca_dedicated)
 131                 return NULL;
 132
 133         for ( ;; )
 134         {
 135                 if (!GetNumberOfConsoleInputEvents (hinput, &numevents))
 136                 {
 137                         cls.state = ca_disconnected;
 138                         Sys_Error ("Error getting # of console events (error code %x)", (unsigned int)GetLastError());
 139                 }
 140
 141                 if (numevents <= 0)
 142                         break;
 143
 144                 if (!ReadConsoleInput(hinput, recs, 1, &numread))
 145                 {
 146                         cls.state = ca_disconnected;
 147                         Sys_Error ("Error reading console input (error code %x)", (unsigned int)GetLastError());
 148                 }
 149
 150                 if (numread != 1)
 151                 {
 152                         cls.state = ca_disconnected;
 153                         Sys_Error ("Couldn't read console input (error code %x)", (unsigned int)GetLastError());
 154                 }
 155
 156                 if (recs[0].EventType == KEY_EVENT)
 157                 {
 158                         if (!recs[0].Event.KeyEvent.bKeyDown)
 159                         {
 160                                 ch = recs[0].Event.KeyEvent.uChar.AsciiChar;
 161
 162                                 switch (ch)
 163                                 {
 164                                         case '\r':
 165                                                 WriteFile(houtput, "\r\n", 2, &dummy, NULL);
 166
 167                                                 if (len)
 168                                                 {
 169                                                         text[len] = 0;
 170                                                         len = 0;
 171                                                         return text;
 172                                                 }
 173
 174                                                 break;
 175
 176                                         case '\b':
 177                                                 WriteFile(houtput, "\b \b", 3, &dummy, NULL);
 178                                                 if (len)
 179                                                 {
 180                                                         len--;
 181                                                 }
 182                                                 break;
 183
 184                                         default:
 185                                                 if (ch >= (int) (unsigned char) ' ')
 186                                                 {
 187                                                         WriteFile(houtput, &ch, 1, &dummy, NULL);
 188                                                         text[len] = ch;
 189                                                         len = (len + 1) & 0xff;
 190                                                 }
 191
 192                                                 break;
 193
 194                                 }
 195                         }
 196                 }
 197         }
 198
 199         return NULL;
 200 }
 201
 202 double Sys_DoubleTime (void)
 203 {
 204         return Sys_DoubleTime_Shared();
 205 }
 206
 207 void Sys_Sleep(int microseconds)
 208 {
 209         Sys_Sleep_Shared(microseconds);
 210 }
 211
 212 char *Sys_GetClipboardData (void)
 213 {
 214         char *data = NULL;
 215         char *cliptext;
 216
 217         if (OpenClipboard (NULL) != 0)
 218         {
 219                 HANDLE hClipboardData;
 220
 221                 if ((hClipboardData = GetClipboardData (CF_TEXT)) != 0)
 222                 {
 223                         if ((cliptext = (char *)GlobalLock (hClipboardData)) != 0)
 224                         {
 225                                 size_t allocsize;
 226                                 allocsize = GlobalSize (hClipboardData) + 1;
 227                                 data = (char *)Z_Malloc (allocsize);
 228                                 strlcpy (data, cliptext, allocsize);
 229                                 GlobalUnlock (hClipboardData);
 230                         }
 231                 }
 232                 CloseClipboard ();
 233         }
 234         return data;
 235 }
 236
 237 void Sys_InitConsole (void)
 238 {
 239 #ifdef QHOST
 240         int t;
 241
 242         // initialize the windows dedicated server console if needed
 243         tevent = CreateEvent(NULL, false, false, NULL);
 244
 245         if (!tevent)
 246                 Sys_Error ("Couldn't create event");
 247 #endif
 248
 249         houtput = GetStdHandle (STD_OUTPUT_HANDLE);
 250         hinput = GetStdHandle (STD_INPUT_HANDLE);
 251
 252         // LordHavoc: can't check cls.state because it hasn't been initialized yet
 253         // if (cls.state == ca_dedicated)
 254         if (COM_CheckParm("-dedicated"))
 255         {
 256                 //if ((houtput == 0) || (houtput == INVALID_HANDLE_VALUE)) // LordHavoc: on Windows XP this is never 0 or invalid, but hinput is invalid
 257                 {
 258                         if (!AllocConsole ())
 259                                 Sys_Error ("Couldn't create dedicated server console (error code %x)", (unsigned int)GetLastError());
 260                         houtput = GetStdHandle (STD_OUTPUT_HANDLE);
 261                         hinput = GetStdHandle (STD_INPUT_HANDLE);
 262                 }
 263                 if ((houtput == 0) || (houtput == INVALID_HANDLE_VALUE))
 264                         Sys_Error ("Couldn't create dedicated server console");
 265
 266
 267 #ifdef QHOST
 268 #ifdef _WIN64
 269 #define atoi _atoi64
 270 #endif
 271         // give QHOST a chance to hook into the console
 272                 if ((t = COM_CheckParm ("-HFILE")) > 0)
 273                 {
 274                         if (t < com_argc)
 275                                 hFile = (HANDLE)atoi (com_argv[t+1]);
 276                 }
 277
 278                 if ((t = COM_CheckParm ("-HPARENT")) > 0)
 279                 {
 280                         if (t < com_argc)
 281                                 heventParent = (HANDLE)atoi (com_argv[t+1]);
 282                 }
 283
 284                 if ((t = COM_CheckParm ("-HCHILD")) > 0)
 285                 {
 286                         if (t < com_argc)
 287                                 heventChild = (HANDLE)atoi (com_argv[t+1]);
 288                 }
 289
 290                 InitConProc (hFile, heventParent, heventChild);
 291 #endif
 292         }
 293
 294 // because sound is off until we become active
 295         S_BlockSound ();
 296 }
 297
 298 /*
 299 ==============================================================================
 300
 301 WINDOWS CRAP
 302
 303 ==============================================================================
 304 */
 305
 306
 307 /*
 308 ==================
 309 WinMain
 310 ==================
 311 */
 312 HINSTANCE       global_hInstance;
 313 const char      *argv[MAX_NUM_ARGVS];
 314 char            program_name[MAX_OSPATH];
 315
 316 int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
 317 {
 318         MEMORYSTATUS lpBuffer;
 319
 320         /* previous instances do not exist in Win32 */
 321         if (hPrevInstance)
 322                 return 0;
 323
 324         global_hInstance = hInstance;
 325
 326         lpBuffer.dwLength = sizeof(MEMORYSTATUS);
 327         GlobalMemoryStatus (&lpBuffer);
 328
 329         program_name[sizeof(program_name)-1] = 0;
 330         GetModuleFileNameA(NULL, program_name, sizeof(program_name) - 1);
 331
 332         com_argc = 1;
 333         com_argv = argv;
 334         argv[0] = program_name;
 335
 336         // FIXME: this tokenizer is rather redundent, call a more general one
 337         while (*lpCmdLine && (com_argc < MAX_NUM_ARGVS))
 338         {
 339                 while (*lpCmdLine && ISWHITESPACE(*lpCmdLine))
 340                         lpCmdLine++;
 341
 342                 if (!*lpCmdLine)
 343                         break;
 344
 345                 if (*lpCmdLine == '\"')
 346                 {
 347                         // quoted string
 348                         lpCmdLine++;
 349                         argv[com_argc] = lpCmdLine;
 350                         com_argc++;
 351                         while (*lpCmdLine && (*lpCmdLine != '\"'))
 352                                 lpCmdLine++;
 353                 }
 354                 else
 355                 {
 356                         // unquoted word
 357                         argv[com_argc] = lpCmdLine;
 358                         com_argc++;
 359                         while (*lpCmdLine && !ISWHITESPACE(*lpCmdLine))
 360                                 lpCmdLine++;
 361                 }
 362
 363                 if (*lpCmdLine)
 364                 {
 365                         *lpCmdLine = 0;
 366                         lpCmdLine++;
 367                 }
 368         }
 369
 370         Host_Main();
 371
 372         /* return success of application */
 373         return true;
 374 }
 375
 376 #if 0
 377 // unused, this file is only used when building windows client and vid_wgl provides WinMain() instead
 378 int main (int argc, const char* argv[])
 379 {
 380         MEMORYSTATUS lpBuffer;
 381
 382         global_hInstance = GetModuleHandle (0);
 383
 384         lpBuffer.dwLength = sizeof(MEMORYSTATUS);
 385         GlobalMemoryStatus (&lpBuffer);
 386
 387         program_name[sizeof(program_name)-1] = 0;
 388         GetModuleFileNameA(NULL, program_name, sizeof(program_name) - 1);
 389
 390         com_argc = argc;
 391         com_argv = argv;
 392
 393         Host_Main();
 394
 395         return true;
 396 }
 397 #endif
 398
 399 qboolean sys_supportsdlgetticks = false;
 400 unsigned int Sys_SDL_GetTicks (void)
 401 {
 402         Sys_Error("Called Sys_SDL_GetTicks on non-SDL target");
 403         return 0;
 404 }
 405 void Sys_SDL_Delay (unsigned int milliseconds)
 406 {
 407         Sys_Error("Called Sys_SDL_Delay on non-SDL target");
 408 }