2 Copyright (C) 2003, 2010 - Wolfire Games
4 This file is part of Lugaru.
6 Lugaru is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 Lugaru is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with Lugaru. If not, see <http://www.gnu.org/licenses/>.
20 /**> HEADER FILES <**/
34 QueryPerformanceFrequency( (LARGE_INTEGER*)&counterRate);
35 QueryPerformanceCounter( (LARGE_INTEGER*)&baseCounter);
37 __int64 counterRate; // LARGE_INTEGER type has no math functions so use int64
40 static AppTime g_appTime;
45 QueryPerformanceCounter( (LARGE_INTEGER*)&counter);
47 counter -= g_appTime.baseCounter;
50 time.lo = (unsigned long)counter;
51 time.hi = (unsigned long)(counter >> 32);
56 Duration AbsoluteDeltaToDuration( AbsoluteTime& a, AbsoluteTime& b)
61 __int64 value2 = b.hi;
67 return durationImmediate;
69 __int64 frac = value % g_appTime.counterRate;
70 value /= g_appTime.counterRate;
76 frac /= g_appTime.counterRate;
77 time = (Duration)frac;
80 frac /= g_appTime.counterRate;
83 time = (Duration)value;
90 static char g_filename[ 256];
91 char* ConvertFileName( const char* orgfilename)
93 // translate filename into proper path name
94 if (orgfilename[ 0] == ':')
96 strcpy( g_filename, orgfilename);
98 for (int n = 0; g_filename[ n]; n++) {
99 if (g_filename[ n] == ':')
100 g_filename[ n] = '/';
106 char* ConvertFileName( const char* orgfilename, const char* junk)
108 return ConvertFileName(orgfilename);