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#include "ConstraintAlgorithm.hpp" |
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#include "ConstraintPair.hpp" |
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#include "SimInfo.hpp" |
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#include "ConstraintManager.hpp" |
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|
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//////////////////////////////////////////////////////////////////////////////// |
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//Implementation of ConstraintAlgorithm |
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//////////////////////////////////////////////////////////////////////////////// |
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ConstraintAlgorithm::ConstraintAlgorithm(SimInfo* rhs){ |
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info = rhs; |
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cpIter = info->consMan->creatPairIterator(); |
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ceIter = info->consMan->creatElementIterator(); |
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} |
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|
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ConstraintAlgorithm::~ConstraintAlgorithm(){ |
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map<TypeInfo, CallbackFunctor*>::iterator callbackIter; |
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|
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//destroy callbackMap |
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for(callbackIter = callbackMap.begin(); callbackIter != callbackMap.end(); ++callbackIter){ |
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delete callbackIter->second; |
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} |
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callbackMap.erase(callbackMap.begin(), callbackMap.end()); |
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|
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//destroy iterators of constraint element and constraint pair |
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delete cpIter; |
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delete ceIter; |
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} |
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|
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void ConstraintAlgorithm::doConstrain(){ |
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const int maxConsIteration = 30; |
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bool done; |
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int iteration; |
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int maxIteration; |
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double tolerance; |
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ConstraintElement* consElem; |
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ConstraintPair* consPair; |
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int exeStatus; |
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|
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|
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|
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for(ceIter->first(); !ceIter->isEnd(); ceIter->next()){ |
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consElem = ceIter->currentItem(); |
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consElem->setMoved(true); |
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consElem->setMoving(false); |
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} |
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|
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done = false; |
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iteration = 0; |
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|
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//main loop of constraint algorithm |
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while(!done && iteration < maxConsIteration){ |
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done = true; |
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|
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//loop over every constraint pair |
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for(cpIter->first(); !cpIter->isEnd(); cpIter->next()){ |
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|
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consPair = cpIter->currentItem(); |
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|
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//dispatch constraint algorithm |
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if(consPair->isMoved()) |
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exeStatus = doConstrainPair(consPair); |
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|
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switch(exeStatus){ |
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case consFail: |
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cerr << "ConstraintAlgorithm::doConstrain() Error: Constraint Fail" << endl; |
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break; |
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case consSuccess: |
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//constrain the pair by moving two elements |
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done = false; |
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consPair->firstElem->setMoving(true); |
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consPair->secondElem->setMoving(true); |
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break; |
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case consAlready: |
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//current pair is already constrained, do not need to move the elements |
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break; |
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case consPairHandlerFail: |
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//can not found call back functor for constraint pair |
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cerr << "ConstraintAlgorithm::doConstrain() Error: can not found callback functor for constraint pair " << endl; |
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break; |
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case consElemHandlerFail: |
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//can not found callback functor for constraint element |
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cerr << "ConstraintAlgorithm::doConstrain() Error: can not found callback functor for constraint element " << endl; |
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break; |
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default: |
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cerr << "ConstraintAlgorithm::doConstrain() Error: unrecognized status" << endl; |
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break; |
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} |
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}//end for(iter->first()) |
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|
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for(ceIter->first(); !ceIter->isEnd(); ceIter->next()){ |
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consElem = ceIter->currentItem(); |
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consElem->setMoved(consElem->getMoving()); |
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consElem->setMoving(false); |
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} |
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|
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iteration++; |
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}//end while |
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|
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} |
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|
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|
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int ConstraintAlgorithm::doConstrainPair(ConstraintPair* consPair){ |
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map<TypeInfo, CallbackFunctor*>::iterator foundResult; |
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CallbackFunctor* functor; |
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|
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//typeid must operate on deferenced, otherwise it will return the type_info of base class |
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foundResult = callbackMap.find(TypeInfo(typeid(*consPair))); |
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if (foundResult != callbackMap.end()){ |
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functor = foundResult->second; |
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return (*functor)(consPair); |
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} |
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else{ |
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//can not found appropriate functor to handle constraint pair in callbackMap |
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return consPairHandlerFail; |
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} |
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|
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} |
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|
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void ConstraintAlgorithm::registerCallback(const TypeInfo& ti, CallbackFunctor* functor){ |
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map<TypeInfo, CallbackFunctor*>::iterator foundResult; |
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|
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foundResult = callbackMap.find(ti); |
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if (foundResult == callbackMap.end()) |
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callbackMap[ti] = functor; |
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else{ |
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delete foundResult->second; |
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foundResult->second = functor; |
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} |
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|
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} |
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void ConstraintAlgorithm::unRegister(TypeInfo& ti){ |
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map<TypeInfo, CallbackFunctor*>::iterator foundResult; |
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|
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foundResult = callbackMap.find(ti); |
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if (foundResult != callbackMap.end()){ |
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delete foundResult->second; |
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callbackMap.erase(foundResult); |
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} |
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} |
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|
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//////////////////////////////////////////////////////////////////////////////// |
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//Implementation of ConsAlgoFramework |
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//////////////////////////////////////////////////////////////////////////////// |
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ConsAlgoFramework::ConsAlgoFramework(SimInfo* rhs){ |
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ceIter = rhs->consMan->creatElementIterator(); |
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} |
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|
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ConsAlgoFramework::~ConsAlgoFramework(){ |
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delete ceIter; |
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} |
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|
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void ConsAlgoFramework::doPreConstraint(){ |
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ConstraintElement* consElem; |
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|
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for(ceIter->first(); !ceIter->isEnd(); ceIter->next()){ |
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consElem = ceIter->currentItem(); |
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consElem->saveOldState(); |
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} |
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} |
