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[Hgengine-cvs] SF.net SVN: hgengine:[134] Mercury2/src
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From: <axl...@us...> - 2009-01-01 17:01:53
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Revision: 134
http://hgengine.svn.sourceforge.net/hgengine/?rev=134&view=rev
Author: axlecrusher
Date: 2009-01-01 17:01:48 +0000 (Thu, 01 Jan 2009)
Log Message:
-----------
Add timer
Added Paths:
-----------
Mercury2/src/MercuryTimer.cpp
Mercury2/src/MercuryTimer.h
Added: Mercury2/src/MercuryTimer.cpp
===================================================================
--- Mercury2/src/MercuryTimer.cpp (rev 0)
+++ Mercury2/src/MercuryTimer.cpp 2009-01-01 17:01:48 UTC (rev 134)
@@ -0,0 +1,89 @@
+#include <MercuryTimer.h>
+
+#ifndef WIN32
+#include <sys/time.h>
+#else
+#include <windows.h>
+#endif
+
+int64_t GetTimeInMicroSeconds()
+{
+ struct timeval tv;
+ gettimeofday( &tv, 0 );
+
+ return (int64_t(tv.tv_sec) * 1000000) + tv.tv_usec;
+}
+
+MercuryTimer::MercuryTimer()
+ :m_lastTouch(0), m_thisTouch(0)
+{
+ if (m_initTime == 0)
+ m_initTime = GetTimeInMicroSeconds();
+
+ Touch();
+ m_lastTouch = m_thisTouch;
+}
+
+uint64_t MercuryTimer::MicrosecondsSinceInit()
+{
+ return m_thisTouch;
+}
+
+float MercuryTimer::Touch()
+{
+ m_lastTouch = m_thisTouch;
+ m_thisTouch = GetTimeInMicroSeconds() - m_initTime;
+ return Age();
+}
+
+float MercuryTimer::Touch(const MercuryTimer& t)
+{
+ m_thisTouch = t.m_thisTouch;
+ return Age();
+}
+
+float MercuryTimer::Age()
+{
+ return (m_thisTouch - m_lastTouch)/1000000.0f;
+}
+
+const MercuryTimer& MercuryTimer::operator=(const MercuryTimer& t)
+{
+ m_lastTouch = t.m_lastTouch;
+ m_thisTouch = t.m_thisTouch;
+ return *this;
+}
+
+uint64_t MercuryTimer::m_initTime = 0;
+
+/****************************************************************************
+ * Copyright (C) 2008 by Joshua Allen *
+ * *
+ * *
+ * All rights reserved. *
+ * *
+ * Redistribution and use in source and binary forms, with or without *
+ * modification, are permitted provided that the following conditions *
+ * are met: *
+ * * Redistributions of source code must retain the above copyright *
+ * notice, this list of conditions and the following disclaimer. *
+ * * Redistributions in binary form must reproduce the above *
+ * copyright notice, this list of conditions and the following *
+ * disclaimer in the documentation and/or other materials provided *
+ * with the distribution. *
+ * * Neither the name of the Mercury Engine nor the names of its *
+ * contributors may be used to endorse or promote products derived *
+ * from this software without specific prior written permission. *
+ * *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR *
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT *
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY *
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE *
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
+ ***************************************************************************/
Added: Mercury2/src/MercuryTimer.h
===================================================================
--- Mercury2/src/MercuryTimer.h (rev 0)
+++ Mercury2/src/MercuryTimer.h 2009-01-01 17:01:48 UTC (rev 134)
@@ -0,0 +1,62 @@
+#ifndef MERCURYTIMER_H
+#define MERCURYTIMER_H
+
+#include <stdint.h>
+
+class MercuryTimer
+{
+ public:
+ MercuryTimer();
+
+ uint64_t MicrosecondsSinceInit();
+
+ ///returns the age
+ float Touch();
+
+ ///sets this touch equal to t.m_thisTouch, leaves last touch unchanged
+ float Touch(const MercuryTimer& t);
+
+ ///time between last last touch and this touch
+ float Age();
+
+ const MercuryTimer& operator=(const MercuryTimer& t);
+ private:
+ static uint64_t m_initTime;
+
+ uint64_t m_lastTouch;
+ uint64_t m_thisTouch;
+};
+
+#endif
+
+/****************************************************************************
+ * Copyright (C) 2008 by Joshua Allen *
+ * *
+ * *
+ * All rights reserved. *
+ * *
+ * Redistribution and use in source and binary forms, with or without *
+ * modification, are permitted provided that the following conditions *
+ * are met: *
+ * * Redistributions of source code must retain the above copyright *
+ * notice, this list of conditions and the following disclaimer. *
+ * * Redistributions in binary form must reproduce the above *
+ * copyright notice, this list of conditions and the following *
+ * disclaimer in the documentation and/or other materials provided *
+ * with the distribution. *
+ * * Neither the name of the Mercury Engine nor the names of its *
+ * contributors may be used to endorse or promote products derived *
+ * from this software without specific prior written permission. *
+ * *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR *
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT *
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY *
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE *
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
+ ***************************************************************************/
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