624d291f79
- Reorder them so that system libraries come first - Use C++-style headers (`<cmath>`) instead of C-style headers (`<math.h>`)
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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Copyright (c) 2013 yvt
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This file is part of OpenSpades.
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OpenSpades is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenSpades is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenSpades. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <Imports/SDL.h>
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#include "Stopwatch.h"
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#include "Debug.h"
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#ifdef WIN32
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#include <windows.h>
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static double GetSWTicks() {
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LARGE_INTEGER val, freq;
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if (QueryPerformanceFrequency(&freq) == 0 || freq.QuadPart == 0 ||
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QueryPerformanceCounter(&val) == 0 || val.QuadPart == 0) {
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return (uint64_t)GetTickCount() / 1000.;
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}
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return (double)val.QuadPart / (double)freq.QuadPart;
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}
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#else
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#include <sys/time.h>
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static double GetSWTicks() {
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struct timeval val;
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gettimeofday(&val, NULL);
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return (double)val.tv_usec / 1000000. + (double)val.tv_sec;
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}
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#endif
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namespace spades {
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Stopwatch::Stopwatch() { Reset(); }
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void Stopwatch::Reset() { start = GetSWTicks(); }
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double Stopwatch::GetTime() { return GetSWTicks() - start; }
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}
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