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