00001 /********************************************************************* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2010, Rice University 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * * Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * * Redistributions in binary form must reproduce the above 00014 * copyright notice, this list of conditions and the following 00015 * disclaimer in the documentation and/or other materials provided 00016 * with the distribution. 00017 * * Neither the name of the Rice University nor the names of its 00018 * contributors may be used to endorse or promote products derived 00019 * from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00028 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00031 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00032 * POSSIBILITY OF SUCH DAMAGE. 00033 *********************************************************************/ 00034 00035 /* Author: Ioan Sucan */ 00036 00037 #ifndef OMPL_BASE_MOTION_VALIDATOR_ 00038 #define OMPL_BASE_MOTION_VALIDATOR_ 00039 00040 #include "ompl/base/State.h" 00041 #include "ompl/util/ClassForward.h" 00042 #include <utility> 00043 00044 namespace ompl 00045 { 00046 00047 namespace base 00048 { 00049 00050 ClassForward(SpaceInformation); 00051 00053 ClassForward(MotionValidator); 00054 00062 class MotionValidator 00063 { 00064 public: 00065 00067 MotionValidator(SpaceInformation* si) : si_(si), valid_(0), invalid_(0) 00068 { 00069 } 00070 00072 MotionValidator(const SpaceInformationPtr &si) : si_(si.get()), valid_(0), invalid_(0) 00073 { 00074 } 00075 00076 virtual ~MotionValidator(void) 00077 { 00078 } 00079 00083 virtual bool checkMotion(const State *s1, const State *s2) const = 0; 00084 00093 virtual bool checkMotion(const State *s1, const State *s2, std::pair<State*, double> &lastValid) const = 0; 00094 00096 unsigned int getValidMotionCount(void) const 00097 { 00098 return valid_; 00099 } 00100 00102 unsigned int getInvalidMotionCount(void) const 00103 { 00104 return invalid_; 00105 } 00106 00108 double getValidMotionFraction(void) const 00109 { 00110 return valid_ == 0 ? 0.0 : (double)valid_ / (double)(invalid_ + valid_); 00111 } 00112 00114 void resetMotionCounter(void) 00115 { 00116 valid_ = invalid_ = 0; 00117 } 00118 00119 protected: 00120 00122 SpaceInformation *si_; 00123 00125 mutable unsigned int valid_; 00126 00128 mutable unsigned int invalid_; 00129 00130 }; 00131 00132 } 00133 } 00134 00135 #endif