81 lines
2.6 KiB
Plaintext
81 lines
2.6 KiB
Plaintext
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2007 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library 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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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_STATS
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#define OSG_STATS 1
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#include <osg/Referenced>
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#include <string>
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#include <map>
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#include <vector>
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#include <ostream>
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namespace osg {
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class Stats : public osg::Referenced
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{
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public:
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Stats(const std::string& name, unsigned int numberOfFrames=100);
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void setName(const std::string& name) { _name = name; }
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const std::string& getName() const { return _name; }
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void allocate(unsigned int numberOfFrames);
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int getEarliestFrameNumber() const { return _latestFrameNumber < static_cast<int>(_attributeMapList.size()) ? 0 : _latestFrameNumber - _attributeMapList.size() + 1; }
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int getLatestFrameNumber() const { return _latestFrameNumber; }
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typedef std::map<std::string, double> AttributeMap;
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typedef std::vector<AttributeMap> AttributeMapList;
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bool setAttribute(int frameNumber, const std::string& attributeName, double value);
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bool getAttribute(int frameNumber, const std::string& attributeName, double& value) const;
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AttributeMap& getAttributeMap(int frameNumber);
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const AttributeMap& getAttributeMap(int frameNumber) const;
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void report(std::ostream& out);
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protected:
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virtual ~Stats() {}
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int getIndex(int frameNumber) const
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{
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// reject frame that are in the future
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if (frameNumber > _latestFrameNumber) return -1;
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// reject frames that are too early
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if (frameNumber < getEarliestFrameNumber()) return -1;
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if (frameNumber >= _baseFrameNumber) return frameNumber - _baseFrameNumber;
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else return _attributeMapList.size() - (_baseFrameNumber-frameNumber);
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}
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std::string _name;
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int _baseFrameNumber;
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int _latestFrameNumber;
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AttributeMapList _attributeMapList;
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AttributeMap _invalidAttributeMap;
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};
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}
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#endif
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