Add GL_ExtensionSupported in vid_null.c because vid_shared.c relies on
[xonotic/darkplaces.git] / sys_win.c
index e5655b6..de1f471 100644 (file)
--- a/sys_win.c
+++ b/sys_win.c
@@ -19,55 +19,28 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 // sys_win.c -- Win32 system interface code
 
+#include <windows.h>
+#include <mmsystem.h>
+#include <direct.h>
+#ifdef SUPPORTDIRECTX
+#include <dsound.h>
+#endif
+
+#include "qtypes.h"
+
 #include "quakedef.h"
-#include "winquake.h"
-#include "errno.h"
+#include <errno.h>
 #include "resource.h"
 #include "conproc.h"
-#include "direct.h"
-
-cvar_t sys_usetimegettime = {CVAR_SAVE, "sys_usetimegettime", "1"};
 
-// # of seconds to wait on Sys_Error running dedicated before exiting
-#define CONSOLE_ERROR_TIMEOUT  60.0
-// sleep time on pause or minimization
-#define PAUSE_SLEEP            50
-// sleep time when not focus
-#define NOT_FOCUS_SLEEP        20
-
-int                    starttime;
-
-static qboolean                sc_return_on_enter = false;
 HANDLE                         hinput, houtput;
 
+#ifdef QHOST
 static HANDLE  tevent;
 static HANDLE  hFile;
 static HANDLE  heventParent;
 static HANDLE  heventChild;
-
-
-/*
-===============================================================================
-
-DLL MANAGEMENT
-
-===============================================================================
-*/
-
-dllhandle_t Sys_LoadLibrary (const char* name)
-{
-       return LoadLibrary (name);
-}
-
-void Sys_UnloadLibrary (dllhandle_t handle)
-{
-       FreeLibrary (handle);
-}
-
-void* Sys_GetProcAddress (dllhandle_t handle, const char* name)
-{
-       return (void *)GetProcAddress (handle, name);
-}
+#endif
 
 
 /*
@@ -78,61 +51,32 @@ SYSTEM IO
 ===============================================================================
 */
 
-void SleepUntilInput (int time);
-
 void Sys_Error (const char *error, ...)
 {
        va_list         argptr;
-       char            text[1024], text2[1024];
-       char            *text3 = "Press Enter to exit\n";
-       char            *text4 = "***********************************\n";
-       char            *text5 = "\n";
-       DWORD           dummy;
-       double          starttime;
+       char            text[MAX_INPUTLINE];
        static int      in_sys_error0 = 0;
        static int      in_sys_error1 = 0;
        static int      in_sys_error2 = 0;
        static int      in_sys_error3 = 0;
 
-       if (!in_sys_error3)
-               in_sys_error3 = 1;
-
        va_start (argptr, error);
-       vsprintf (text, error, argptr);
+       dpvsnprintf (text, sizeof (text), error, argptr);
        va_end (argptr);
 
-       if (cls.state == ca_dedicated)
-       {
-               va_start (argptr, error);
-               vsprintf (text, error, argptr);
-               va_end (argptr);
-
-               sprintf (text2, "ERROR: %s\n", text);
-               WriteFile (houtput, text5, strlen (text5), &dummy, NULL);
-               WriteFile (houtput, text4, strlen (text4), &dummy, NULL);
-               WriteFile (houtput, text2, strlen (text2), &dummy, NULL);
-               WriteFile (houtput, text3, strlen (text3), &dummy, NULL);
-               WriteFile (houtput, text4, strlen (text4), &dummy, NULL);
+       Con_Printf ("Quake Error: %s\n", text);
 
-
-               starttime = Sys_DoubleTime ();
-               sc_return_on_enter = true;      // so Enter will get us out of here
-
-               while (!Sys_ConsoleInput () && ((Sys_DoubleTime () - starttime) < CONSOLE_ERROR_TIMEOUT))
-                       SleepUntilInput(1);
+       // close video so the message box is visible, unless we already tried that
+       if (!in_sys_error0 && cls.state != ca_dedicated)
+       {
+               in_sys_error0 = 1;
+               VID_Shutdown();
        }
-       else
+
+       if (!in_sys_error3 && cls.state != ca_dedicated)
        {
-       // switch to windowed so the message box is visible, unless we already
-       // tried that and failed
-               if (!in_sys_error0)
-               {
-                       in_sys_error0 = 1;
-                       VID_Shutdown();
-                       MessageBox(NULL, text, "Quake Error", MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
-               }
-               else
-                       MessageBox(NULL, text, "Double Quake Error", MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
+               in_sys_error3 = true;
+               MessageBox(NULL, text, "Quake Error", MB_OK | MB_SETFOREGROUND | MB_ICONSTOP);
        }
 
        if (!in_sys_error1)
@@ -145,110 +89,40 @@ void Sys_Error (const char *error, ...)
        if (!in_sys_error2)
        {
                in_sys_error2 = 1;
-               DeinitConProc ();
+               Sys_Shutdown ();
        }
 
        exit (1);
 }
 
-void Sys_Quit (void)
+void Sys_Shutdown (void)
 {
-       Host_Shutdown();
-
+#ifdef QHOST
        if (tevent)
                CloseHandle (tevent);
+#endif
 
        if (cls.state == ca_dedicated)
                FreeConsole ();
 
+#ifdef QHOST
 // shut down QHOST hooks if necessary
        DeinitConProc ();
-
-       exit (0);
+#endif
 }
 
-
-/*
-================
-Sys_DoubleTime
-================
-*/
-double Sys_DoubleTime (void)
+void Sys_PrintToTerminal(const char *text)
 {
-       static int first = true;
-       static double oldtime = 0.0, curtime = 0.0;
-       double newtime;
-       // LordHavoc: note to people modifying this code, DWORD is specifically defined as an unsigned 32bit number, therefore the 65536.0 * 65536.0 is fine.
-       if (sys_usetimegettime.integer)
-       {
-               static int firsttimegettime = true;
-               // timeGetTime
-               // platform:
-               // Windows 95/98/ME/NT/2000/XP
-               // features:
-               // reasonable accuracy (millisecond)
-               // issues:
-               // wraps around every 47 days or so (but this is non-fatal to us, odd times are rejected, only causes a one frame stutter)
-
-               // make sure the timer is high precision, otherwise different versions of windows have varying accuracy
-               if (firsttimegettime)
-               {
-                       timeBeginPeriod (1);
-                       firsttimegettime = false;
-               }
+       DWORD dummy;
+       extern HANDLE houtput;
 
-               newtime = (double) timeGetTime () / 1000.0;
-       }
-       else
-       {
-               // QueryPerformanceCounter
-               // platform:
-               // Windows 95/98/ME/NT/2000/XP
-               // features:
-               // very accurate (CPU cycles)
-               // known issues:
-               // does not necessarily match realtime too well (tends to get faster and faster in win98)
-               // wraps around occasionally on some platforms (depends on CPU speed and probably other unknown factors)
-               double timescale;
-               LARGE_INTEGER PerformanceFreq;
-               LARGE_INTEGER PerformanceCount;
-
-               if (!QueryPerformanceFrequency (&PerformanceFreq))
-                       Sys_Error ("No hardware timer available");
-               QueryPerformanceCounter (&PerformanceCount);
-
-               #ifdef __BORLANDC__
-               timescale = 1.0 / ((double) PerformanceFreq.u.LowPart + (double) PerformanceFreq.u.HighPart * 65536.0 * 65536.0);
-               newtime = ((double) PerformanceCount.u.LowPart + (double) PerformanceCount.u.HighPart * 65536.0 * 65536.0) * timescale;
-               #else
-               timescale = 1.0 / ((double) PerformanceFreq.LowPart + (double) PerformanceFreq.HighPart * 65536.0 * 65536.0);
-               newtime = ((double) PerformanceCount.LowPart + (double) PerformanceCount.HighPart * 65536.0 * 65536.0) * timescale;
-               #endif
-       }
-
-       if (first)
-       {
-               first = false;
-               oldtime = newtime;
-       }
-
-       if (newtime < oldtime)
-       {
-               // warn if it's significant
-               if (newtime - oldtime < -0.01)
-                       Con_Printf("Sys_DoubleTime: time stepped backwards (went from %f to %f, difference %f)\n", oldtime, newtime, newtime - oldtime);
-       }
-       else
-               curtime += newtime - oldtime;
-       oldtime = newtime;
-
-       return curtime;
+       if ((houtput != 0) && (houtput != INVALID_HANDLE_VALUE))
+               WriteFile(houtput, text, (DWORD) strlen(text), &dummy, NULL);
 }
 
-
 char *Sys_ConsoleInput (void)
 {
-       static char text[256];
+       static char text[MAX_INPUTLINE];
        static int len;
        INPUT_RECORD recs[1024];
        int ch;
@@ -257,20 +131,28 @@ char *Sys_ConsoleInput (void)
        if (cls.state != ca_dedicated)
                return NULL;
 
-
        for ( ;; )
        {
                if (!GetNumberOfConsoleInputEvents (hinput, &numevents))
-                       Sys_Error ("Error getting # of console events");
+               {
+                       cls.state = ca_disconnected;
+                       Sys_Error ("Error getting # of console events (error code %x)", (unsigned int)GetLastError());
+               }
 
                if (numevents <= 0)
                        break;
 
                if (!ReadConsoleInput(hinput, recs, 1, &numread))
-                       Sys_Error ("Error reading console input");
+               {
+                       cls.state = ca_disconnected;
+                       Sys_Error ("Error reading console input (error code %x)", (unsigned int)GetLastError());
+               }
 
                if (numread != 1)
-                       Sys_Error ("Couldn't read console input");
+               {
+                       cls.state = ca_disconnected;
+                       Sys_Error ("Couldn't read console input (error code %x)", (unsigned int)GetLastError());
+               }
 
                if (recs[0].EventType == KEY_EVENT)
                {
@@ -289,13 +171,6 @@ char *Sys_ConsoleInput (void)
                                                        len = 0;
                                                        return text;
                                                }
-                                               else if (sc_return_on_enter)
-                                               {
-                                               // special case to allow exiting from the error handler on Enter
-                                                       text[0] = '\r';
-                                                       len = 0;
-                                                       return text;
-                                               }
 
                                                break;
 
@@ -308,7 +183,7 @@ char *Sys_ConsoleInput (void)
                                                break;
 
                                        default:
-                                               if (ch >= ' ')
+                                               if (ch >= (int) (unsigned char) ' ')
                                                {
                                                        WriteFile(houtput, &ch, 1, &dummy, NULL);
                                                        text[len] = ch;
@@ -325,29 +200,91 @@ char *Sys_ConsoleInput (void)
        return NULL;
 }
 
-void Sys_Sleep (void)
+char *Sys_GetClipboardData (void)
 {
-       Sleep (1);
-}
+       char *data = NULL;
+       char *cliptext;
 
+       if (OpenClipboard (NULL) != 0)
+       {
+               HANDLE hClipboardData;
 
-void Sys_SendKeyEvents (void)
+               if ((hClipboardData = GetClipboardData (CF_TEXT)) != 0)
+               {
+                       if ((cliptext = (char *)GlobalLock (hClipboardData)) != 0)
+                       {
+                               size_t allocsize;
+                               allocsize = GlobalSize (hClipboardData) + 1;
+                               data = (char *)Z_Malloc (allocsize);
+                               strlcpy (data, cliptext, allocsize);
+                               GlobalUnlock (hClipboardData);
+                       }
+               }
+               CloseClipboard ();
+       }
+       return data;
+}
+
+void Sys_InitConsole (void)
 {
-       MSG msg;
+#ifdef QHOST
+       int t;
+
+       // initialize the windows dedicated server console if needed
+       tevent = CreateEvent(NULL, false, false, NULL);
+
+       if (!tevent)
+               Sys_Error ("Couldn't create event");
+#endif
+
+       houtput = GetStdHandle (STD_OUTPUT_HANDLE);
+       hinput = GetStdHandle (STD_INPUT_HANDLE);
 
-       while (PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
+       // LordHavoc: can't check cls.state because it hasn't been initialized yet
+       // if (cls.state == ca_dedicated)
+       if (COM_CheckParm("-dedicated"))
        {
-       // we always update if there are any event, even if we're paused
-               scr_skipupdate = 0;
+               //if ((houtput == 0) || (houtput == INVALID_HANDLE_VALUE)) // LordHavoc: on Windows XP this is never 0 or invalid, but hinput is invalid
+               {
+                       if (!AllocConsole ())
+                               Sys_Error ("Couldn't create dedicated server console (error code %x)", (unsigned int)GetLastError());
+                       houtput = GetStdHandle (STD_OUTPUT_HANDLE);
+                       hinput = GetStdHandle (STD_INPUT_HANDLE);
+               }
+               if ((houtput == 0) || (houtput == INVALID_HANDLE_VALUE))
+                       Sys_Error ("Couldn't create dedicated server console");
+
+
+#ifdef QHOST
+#ifdef _WIN64
+#define atoi _atoi64
+#endif
+       // give QHOST a chance to hook into the console
+               if ((t = COM_CheckParm ("-HFILE")) > 0)
+               {
+                       if (t < com_argc)
+                               hFile = (HANDLE)atoi (com_argv[t+1]);
+               }
+
+               if ((t = COM_CheckParm ("-HPARENT")) > 0)
+               {
+                       if (t < com_argc)
+                               heventParent = (HANDLE)atoi (com_argv[t+1]);
+               }
 
-               if (!GetMessage (&msg, NULL, 0, 0))
-                       Sys_Quit ();
+               if ((t = COM_CheckParm ("-HCHILD")) > 0)
+               {
+                       if (t < com_argc)
+                               heventChild = (HANDLE)atoi (com_argv[t+1]);
+               }
 
-               TranslateMessage (&msg);
-               DispatchMessage (&msg);
+               InitConProc (hFile, heventParent, heventChild);
+#endif
        }
-}
 
+// because sound is off until we become active
+       S_BlockSound ();
+}
 
 /*
 ==============================================================================
@@ -358,136 +295,107 @@ WINDOWS CRAP
 */
 
 
-void SleepUntilInput (int time)
-{
-       MsgWaitForMultipleObjects(1, &tevent, false, time, QS_ALLINPUT);
-}
-
-
 /*
 ==================
 WinMain
 ==================
 */
 HINSTANCE      global_hInstance;
-int                    global_nCmdShow;
 const char     *argv[MAX_NUM_ARGVS];
 char           program_name[MAX_OSPATH];
 
 int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
 {
-       double frameoldtime, framenewtime;
        MEMORYSTATUS lpBuffer;
-       int t;
 
        /* previous instances do not exist in Win32 */
        if (hPrevInstance)
                return 0;
 
        global_hInstance = hInstance;
-       global_nCmdShow = nCmdShow;
 
        lpBuffer.dwLength = sizeof(MEMORYSTATUS);
        GlobalMemoryStatus (&lpBuffer);
 
-       com_argc = 1;
        program_name[sizeof(program_name)-1] = 0;
        GetModuleFileNameA(NULL, program_name, sizeof(program_name) - 1);
+
+       com_argc = 1;
+       com_argv = argv;
        argv[0] = program_name;
 
+       // FIXME: this tokenizer is rather redundent, call a more general one
        while (*lpCmdLine && (com_argc < MAX_NUM_ARGVS))
        {
-               while (*lpCmdLine && ((*lpCmdLine <= 32) || (*lpCmdLine > 126)))
+               while (*lpCmdLine && ISWHITESPACE(*lpCmdLine))
                        lpCmdLine++;
 
-               if (*lpCmdLine)
+               if (!*lpCmdLine)
+                       break;
+
+               if (*lpCmdLine == '\"')
                {
+                       // quoted string
+                       lpCmdLine++;
                        argv[com_argc] = lpCmdLine;
                        com_argc++;
-
-                       while (*lpCmdLine && ((*lpCmdLine > 32) && (*lpCmdLine <= 126)))
-                               lpCmdLine++;
-
-                       if (*lpCmdLine)
-                       {
-                               *lpCmdLine = 0;
+                       while (*lpCmdLine && (*lpCmdLine != '\"'))
                                lpCmdLine++;
-                       }
                }
-       }
-       com_argv = argv;
-
-       Sys_Shared_EarlyInit();
-
-       Cvar_RegisterVariable(&sys_usetimegettime);
-
-       tevent = CreateEvent(NULL, false, false, NULL);
-
-       if (!tevent)
-               Sys_Error ("Couldn't create event");
-
-       // LordHavoc: can't check cls.state because it hasn't been initialized yet
-       // if (cls.state == ca_dedicated)
-       if (COM_CheckParm("-dedicated"))
-       {
-               if (!AllocConsole ())
-                       Sys_Error ("Couldn't create dedicated server console");
-
-               hinput = GetStdHandle (STD_INPUT_HANDLE);
-               houtput = GetStdHandle (STD_OUTPUT_HANDLE);
-
-       // give QHOST a chance to hook into the console
-               if ((t = COM_CheckParm ("-HFILE")) > 0)
+               else
                {
-                       if (t < com_argc)
-                               hFile = (HANDLE)atoi (com_argv[t+1]);
+                       // unquoted word
+                       argv[com_argc] = lpCmdLine;
+                       com_argc++;
+                       while (*lpCmdLine && !ISWHITESPACE(*lpCmdLine))
+                               lpCmdLine++;
                }
 
-               if ((t = COM_CheckParm ("-HPARENT")) > 0)
+               if (*lpCmdLine)
                {
-                       if (t < com_argc)
-                               heventParent = (HANDLE)atoi (com_argv[t+1]);
+                       *lpCmdLine = 0;
+                       lpCmdLine++;
                }
+       }
 
-               if ((t = COM_CheckParm ("-HCHILD")) > 0)
-               {
-                       if (t < com_argc)
-                               heventChild = (HANDLE)atoi (com_argv[t+1]);
-               }
+       Sys_ProvideSelfFD();
 
-               InitConProc (hFile, heventParent, heventChild);
-       }
+       Host_Main();
 
-// because sound is off until we become active
-       S_BlockSound ();
+       /* return success of application */
+       return true;
+}
 
-       Host_Init ();
+#if 0
+// unused, this file is only used when building windows client and vid_wgl provides WinMain() instead
+int main (int argc, const char* argv[])
+{
+       MEMORYSTATUS lpBuffer;
 
-       Sys_Shared_LateInit();
+       global_hInstance = GetModuleHandle (0);
 
-       frameoldtime = Sys_DoubleTime ();
+       lpBuffer.dwLength = sizeof(MEMORYSTATUS);
+       GlobalMemoryStatus (&lpBuffer);
 
-       /* main window message loop */
-       while (1)
-       {
-               if (cls.state != ca_dedicated)
-               {
-               // yield the CPU for a little while when paused, minimized, or not the focus
-                       if ((cl.paused && !vid_activewindow) || vid_hidden)
-                       {
-                               SleepUntilInput (PAUSE_SLEEP);
-                               scr_skipupdate = 1;             // no point in bothering to draw
-                       }
-                       else if (!vid_activewindow)
-                               SleepUntilInput (NOT_FOCUS_SLEEP);
-               }
+       program_name[sizeof(program_name)-1] = 0;
+       GetModuleFileNameA(NULL, program_name, sizeof(program_name) - 1);
 
-               framenewtime = Sys_DoubleTime ();
-               Host_Frame (framenewtime - frameoldtime);
-               frameoldtime = framenewtime;
-       }
+       com_argc = argc;
+       com_argv = argv;
+
+       Host_Main();
 
-       /* return success of application */
        return true;
 }
+#endif
 
+qboolean sys_supportsdlgetticks = false;
+unsigned int Sys_SDL_GetTicks (void)
+{
+       Sys_Error("Called Sys_SDL_GetTicks on non-SDL target");
+       return 0;
+}
+void Sys_SDL_Delay (unsigned int milliseconds)
+{
+       Sys_Error("Called Sys_SDL_Delay on non-SDL target");
+}