void astar_callback(int f){ TangoData tmp=TangoData::GetInstance(); //if ( tmp.is_relocalized==false ) return; trace_astar_sol->ClearVertexArray(); MapSearchNode nodeStart(getNearestPosToPosStar(position_adf)); MapSearchNode nodeEnd(tmp.pos_astar[f]); PlaceMarker(tmp.pos_astar[f]+kHeightOffset); astarsearch.SetStartAndGoalStates( nodeStart, nodeEnd ); unsigned int SearchState; do { SearchState = astarsearch.SearchStep(); MapSearchNode *p = astarsearch.GetOpenListStart(); while( p )p = astarsearch.GetOpenListNext(); p = astarsearch.GetClosedListStart(); while( p )p = astarsearch.GetClosedListNext(); } while( SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SEARCHING ); if( SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SUCCEEDED ) { MapSearchNode *node = astarsearch.GetSolutionStart(); for( ;; ) { node = astarsearch.GetSolutionNext(); if(!node)break; trace_astar_sol->UpdateVertexArray(node->toVec3()); }; astarsearch.FreeSolutionNodes(); } astarsearch.EnsureMemoryFreed(); }
bool ComputeAStar( SpatialGraphKDNode* pSourceNode, SpatialGraphKDNode* pDestNode, Vector2List& path ) { AStarSearch<SearchInterface> search; SearchInterface pStart(pSourceNode); SearchInterface pEnd(pDestNode); search.SetStartAndGoalStates( pStart, pEnd ); while( AStarSearch<SearchInterface>::SEARCH_STATE_SEARCHING == search.SearchStep() ) { } int curState = search.GetState(); if( curState == AStarSearch<SearchInterface>::SEARCH_STATE_SUCCEEDED ) { //Get path for( SearchInterface* pCur = search.GetSolutionStart(); pCur != NULL; pCur = search.GetSolutionNext() ) { path.push_back( pCur->pNode->BBox.Centroid() ); } search.FreeSolutionNodes(); return true; } return false; }
PathPtr WaypointManager::getPath(WaypointPtr source, WaypointPtr destination) { PathPtr path(new Path()); int state; Node s(source,0); Node d(destination,0); AStarSearch<Node> astarsearch; astarsearch.SetStartAndGoalStates(s,d); while((state=astarsearch.SearchStep()) == AStarSearch<Node>::SEARCH_STATE_SEARCHING) { log("Astar search stepped"); } if(state == AStarSearch<Node>::SEARCH_STATE_SUCCEEDED) { log("AStar found path"); Node * n = astarsearch.GetSolutionStart(); while(( n = astarsearch.GetSolutionNext() )!= NULL) path->addWaypoint(n->getWP()); } astarsearch.CancelSearch(); return path; }
int Astar::findPath( int Ax, int Ay, int Bx, int By, int &Cx, int &Cy) { int result = 1; AStarSearch<MapSearchNode> astarsearch; unsigned int SearchCount = 0; const unsigned int NumSearches = 1; while(SearchCount < NumSearches) { //Create a start state MapSearchNode nodeStart; nodeStart.x = Ax; nodeStart.y = Ay; //Define the goal state MapSearchNode nodeEnd; nodeEnd.x = Bx; nodeEnd.y = By; //Set Start and goal states astarsearch.SetStartAndGoalStates(nodeStart, nodeEnd); unsigned int SearchState; unsigned int SearchSteps = 0; do { SearchState = astarsearch.SearchStep(); SearchSteps++; } while (SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SEARCHING); if (SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SUCCEEDED) { MapSearchNode *node = astarsearch.GetSolutionStart(); int steps = 0; for(ever) { node = astarsearch.GetSolutionNext(); if( !node ) break; if (steps == 0) { Cx = node->x; Cy = node->y; } steps ++; } astarsearch.FreeSolutionNodes(); } else if( SearchState == AStarSearch <MapSearchNode>::SEARCH_STATE_FAILED )
int main(int argc, char* argv[]) { cout << "STL A* Search implementation\n(C)2001 Justin Heyes-Jones\n"; // Our sample problem defines the world as a 2d array representing a terrain // Each element contains an integer from 0 to 5 which indicates the cost // of travel across the terrain. Zero means the least possible difficulty // in travelling (think ice rink if you can skate) whilst 5 represents the // most difficult. 9 indicates that we cannot pass. // Create an instance of the search class... AStarSearch<MapSearchNode> astarsearch; unsigned int SearchCount = 0; const unsigned int NumSearches = 1; while (SearchCount < NumSearches) { // Create a start state MapSearchNode nodeStart; nodeStart.x = rand() % MAP_WIDTH; nodeStart.y = rand() % MAP_HEIGHT; // Define the goal state MapSearchNode nodeEnd; nodeEnd.x = rand() % MAP_WIDTH; nodeEnd.y = rand() % MAP_HEIGHT; // Set Start and goal states astarsearch.SetStartAndGoalStates(nodeStart, nodeEnd); unsigned int SearchState; unsigned int SearchSteps = 0; do { SearchState = astarsearch.SearchStep(); SearchSteps++; #if DEBUG_LISTS cout << "Steps:" << SearchSteps << "\n"; int len = 0; cout << "Open:\n"; MapSearchNode* p = astarsearch.GetOpenListStart(); while (p) { len++; #if !DEBUG_LIST_LENGTHS_ONLY ((MapSearchNode*)p)->PrintNodeInfo(); #endif p = astarsearch.GetOpenListNext(); } cout << "Open list has " << len << " nodes\n"; len = 0; cout << "Closed:\n"; p = astarsearch.GetClosedListStart(); while (p) { len++; #if !DEBUG_LIST_LENGTHS_ONLY p->PrintNodeInfo(); #endif p = astarsearch.GetClosedListNext(); } cout << "Closed list has " << len << " nodes\n"; #endif } while (SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SEARCHING); if (SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SUCCEEDED) { cout << "Search found goal state\n"; MapSearchNode* node = astarsearch.GetSolutionStart(); #if DISPLAY_SOLUTION cout << "Displaying solution\n"; #endif int steps = 0; node->PrintNodeInfo(); for (;;) { node = astarsearch.GetSolutionNext(); if (!node) { break; } node->PrintNodeInfo(); steps++; }; cout << "Solution steps " << steps << endl; // Once you're done with the solution you can free the nodes up astarsearch.FreeSolutionNodes(); } else if (SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_FAILED) { cout << "Search terminated. Did not find goal state\n"; } // Display the number of loops the search went through cout << "SearchSteps : " << SearchSteps << "\n"; SearchCount++; astarsearch.EnsureMemoryFreed(); } return 0; }
//------------------------------------------------------------------------------ std::deque<WaypointServer*> WaypointManagerServer::findPath(WaypointSearchNode * start, WaypointSearchNode * end) { std::deque<WaypointServer*> result; // no waypoints loaded here -> bail if(open_wp_.empty() || wp_map_.empty()) return result; AStarSearch<WaypointSearchNode> astarsearch; unsigned int SearchCount = 0; // Set Start and goal states astarsearch.SetStartAndGoalStates( *start, *end ); unsigned int SearchState; unsigned int SearchSteps = 0; do { SearchState = astarsearch.SearchStep(); SearchSteps++; } while( SearchState == AStarSearch<WaypointSearchNode>::SEARCH_STATE_SEARCHING ); if( SearchState == AStarSearch<WaypointSearchNode>::SEARCH_STATE_SUCCEEDED ) { // s_log << "Search found goal state\n"; WaypointSearchNode *node = astarsearch.GetSolutionStart(); result.push_back(&wp_map_[node->x_][node->z_]); int steps = 0; //node->PrintNodeInfo(); for( ;; ) { node = astarsearch.GetSolutionNext(); if( !node ) { break; } result.push_back(&wp_map_[node->x_][node->z_]); //node->PrintNodeInfo(); steps ++; }; //s_log << "Solution steps " << steps << "\n"; // Once you're done with the solution you can free the nodes up astarsearch.FreeSolutionNodes(); } else if( SearchState == AStarSearch<WaypointSearchNode>::SEARCH_STATE_FAILED ) { //s_log << "Search terminated. Did not find goal state\n"; } // Display the number of loops the search went through // s_log << "SearchSteps : " << SearchSteps << "\n"; SearchCount ++; astarsearch.EnsureMemoryFreed(); return result; }
int Ghost::SetTarget(){ // std::cout<<"target set"<<std::endl; AStarSearch<MapSearchNode> astarsearch; unsigned int SearchCount = 0; const unsigned int NumSearches = 1; while(SearchCount < NumSearches) { // Create a start state MapSearchNode nodeStart; nodeStart.x = m_X/30; nodeStart.y = m_Y/30; // Define the goal state MapSearchNode nodeEnd; if(pill==0&&!Dead){ nodeEnd.x = targetFx; nodeEnd.y = targetFy; } if(pill==1&&!Dead){ nodeEnd.x = targetFy; nodeEnd.y = targetFx; } if(Dead){ nodeEnd.x = 12; // targetFx=12; // targetFy=9; nodeEnd.y = 10; } // Set Start and goal states astarsearch.SetStartAndGoalStates( nodeStart, nodeEnd ); unsigned int SearchState; unsigned int SearchSteps = 0; do { SearchState = astarsearch.SearchStep(); SearchSteps++; #if DEBUG_LISTS cout << "Steps:" << SearchSteps << "\n"; int len = 0; cout << "Open:\n"; MapSearchNode *p = astarsearch.GetOpenListStart(); while( p ) { len++; #if !DEBUG_LIST_LENGTHS_ONLY // ((MapSearchNode *)p)->PrintNodeInfo(); #endif p = astarsearch.GetOpenListNext(); } cout << "Open list has " << len << " nodes\n"; len = 0; cout << "Closed:\n"; p = astarsearch.GetClosedListStart(); while( p ) { len++; #if !DEBUG_LIST_LENGTHS_ONLY // p->PrintNodeInfo(); #endif p = astarsearch.GetClosedListNext(); } cout << "Closed list has " << len << " nodes\n"; #endif } while( SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SEARCHING ); if( SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SUCCEEDED ) { // cout << "Search found goal state\n"; MapSearchNode *node = astarsearch.GetSolutionStart(); #if DISPLAY_SOLUTION cout << "Displaying solution\n"; #endif // node->PrintNodeInfo(); node = astarsearch.GetSolutionNext(); if(!node){ return 1; } if(node){ targetNx=node->RetX(); targetNy=node->RetY(); // node->PrintNodeInfo(); if(Dead) if(targetNx==12&&targetNy==10) Reset(); } /* cout << "for reference \n"; for( ;; ) { node = astarsearch.GetSolutionNext(); if( !node ) { break; } node->PrintNodeInfo(); }; */ // Once you're done with the solution you can free the nodes up astarsearch.FreeSolutionNodes(); } else if( SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_FAILED ) { cout << "Search terminated. Did not find goal state\n"; } // Display the number of loops the search went through // cout << "SearchSteps : " << SearchSteps << "\n"; SearchCount ++; astarsearch.EnsureMemoryFreed(); } return 0; }
int main() { MineMap map; //map.openFileForMap("C:\\Users\\Vlad\\Projects\\C++\\Lex200icfp\\Debug\\test.map"); map.ReadMap(); //map.ShortPrint(); vector<Point> lam = map.GetLambdas(); Point start = map.GetRobot(); vector< list<Point> > paths; vector<char> res; vector< vector<Point> > clstrs = GetCluster(lam); Point minp; //cout<<"We get index and route to nearest cluster "<<endl; int clastertomove = GetNearestAA(map, clstrs, start, &minp, 1); AStarSearch as; list<Point>* route = new list<Point>(); bool claster_achieved = false; while (clastertomove != -1) { if(map.Waterproof() == 1) { res.push_back('A'); printvect(res); cout<<'\n'; return 0; } if(!claster_achieved) { route = new list<Point>(); //MOVEROBOT here!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Point ppp = map.GetRobot(); as.getRoute(&map, ppp, minp, *route, isSafeFromRocks, (char*)"*#W@"); if(route->size() == 0) { clastertomove = GetNearestAA(map, clstrs, map.GetRobot(), &minp, 1); continue; } // cout<<"//we get a route to the nearest point of the nearest claster"<<endl; do { MoveRobot(&res, map, route); } while((!map.isChanged()) && (route->size() != 0)); if(map.isChanged()) //if map changed we get route to claster again { if(route->size() == 0) claster_achieved = true; continue; } } //cout<<"//when we achieved claster we achieved it's lambda"<<endl; if(find(clstrs[clastertomove].begin(), clstrs[clastertomove].end(), map.GetRobot()) != clstrs[clastertomove].end()) clstrs[clastertomove].erase(find(clstrs[clastertomove].begin(), clstrs[clastertomove].end(), map.GetRobot())); list<Point> *route_to_nrp = new list<Point>(); //route to nearest point in claster //we running from lambda to lambda in claster Point p = GetNextLam(map, as, map.GetRobot(), clstrs[clastertomove], route_to_nrp); route_to_nrp->clear(); //f*****g kostyl PathSize(map, map.GetRobot(), p, route_to_nrp, as); while(route_to_nrp->size())//!(map.GetRobot() == p)) { do { //if point to move is lambda then remove it from cluster if(find(clstrs[clastertomove].begin(), clstrs[clastertomove].end(), *(route_to_nrp->begin())) != clstrs[clastertomove].end()) clstrs[clastertomove].erase(find(clstrs[clastertomove].begin(), clstrs[clastertomove].end(), *route_to_nrp->begin())); MoveRobot(&res, map, route_to_nrp); } while((route_to_nrp->size() != 0) && (!map.isChanged())); //don't have any thoughts about action when map changes. Now robot continues gather lambdas in claster route_to_nrp->clear(); Point p = GetNextLam(map, as, map.GetRobot(), clstrs[clastertomove], route_to_nrp); route_to_nrp->clear(); PathSize(map, map.GetRobot(), p, route_to_nrp, as); } clstrs.erase(clstrs.begin() + clastertomove); clastertomove = GetNearestAA(map, clstrs, map.GetRobot(), &minp, 1); //we get new claster to move claster_achieved = false; //cout<<"//and repeat our routine"<<endl; } // cout<<"//when all what we can do is done, we find way to exit"<<endl; minp = map.GetLift(); route = new list<Point>(); while(!(map.GetRobot() == map.GetLift())) { route = new list<Point>(); Point ppp = map.GetRobot(); as.getRoute(&map, ppp, minp, *route, isSafeFromRocks, (char*)"*#W@"); if(route->size() == 0) { // cout<<"//if lift is unaccessible we send A"<<endl; res.push_back('A'); printvect( res ); cout <<"\n"; return 0; } //cout<<"//we are going to lift"<<endl; do { MoveRobot(&res, map, route); if(route->size() == 0) { printvect( res ); cout <<"\n"; return 0; } } while(!map.isChanged()); } return 0; }
bool ast::astar( uint8_t* map, uint32_t width, uint32_t height, const point_t start, const point_t goal, std::vector<point_t>& path ) { //cout << "STL A* Search implementation\n(C)2001 Justin Heyes-Jones\n"; // set the static vars _map = map; _map_width = width; _map_height = height; // Our sample problem defines the world as a 2d array representing a terrain // Each element contains an integer from 0 to 5 which indicates the cost // of travel across the terrain. Zero means the least possible difficulty // in travelling (think ice rink if you can skate) whilst 5 represents the // most difficult. 9 indicates that we cannot pass. // Create an instance of the search class... AStarSearch<MapSearchNode> astarsearch; unsigned int SearchCount = 0; const unsigned int NumSearches = 1; bool path_found = false; while(SearchCount < NumSearches) { // Create a start state MapSearchNode nodeStart; nodeStart.x = start.x; nodeStart.y = start.y; // Define the goal state MapSearchNode nodeEnd; nodeEnd.x = goal.x; nodeEnd.y = goal.y; // Set Start and goal states astarsearch.SetStartAndGoalStates( nodeStart, nodeEnd ); unsigned int SearchState; unsigned int SearchSteps = 0; do { SearchState = astarsearch.SearchStep(); SearchSteps++; #if DEBUG_LISTS cout << "Steps:" << SearchSteps << "\n"; int len = 0; cout << "Open:\n"; MapSearchNode *p = astarsearch.GetOpenListStart(); while( p ) { len++; #if !DEBUG_LIST_LENGTHS_ONLY ((MapSearchNode *)p)->PrintNodeInfo(); #endif p = astarsearch.GetOpenListNext(); } cout << "Open list has " << len << " nodes\n"; len = 0; cout << "Closed:\n"; p = astarsearch.GetClosedListStart(); while( p ) { len++; #if !DEBUG_LIST_LENGTHS_ONLY p->PrintNodeInfo(); #endif p = astarsearch.GetClosedListNext(); } cout << "Closed list has " << len << " nodes\n"; #endif } while( SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SEARCHING ); if( SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SUCCEEDED ) { //cout << "Search found goal state\n"; MapSearchNode *node = astarsearch.GetSolutionStart(); #if DISPLAY_SOLUTION cout << "Displaying solution\n"; #endif int steps = 0; //node->PrintNodeInfo(); path.push_back( point_t( node->x, node->y ) ); for( ;; ) { node = astarsearch.GetSolutionNext(); if( !node ) { break; } //node->PrintNodeInfo(); path.push_back( point_t( node->x, node->y ) ); steps ++; }; //cout << "Solution steps " << steps << endl; // Once you're done with the solution you can free the nodes up astarsearch.FreeSolutionNodes(); path_found = true; } else if( SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_FAILED ) { cout << "Search terminated. Did not find goal state\n"; } // Display the number of loops the search went through //cout << "SearchSteps : " << SearchSteps << "\n"; SearchCount ++; astarsearch.EnsureMemoryFreed(); } return path_found; }
int main( int argc, char *argv[] ) { // creating map of Romania for(int i=0; i<MAX_CITIES; i++) for(int j=0; j<MAX_CITIES; j++) RomaniaMap[i][j]=-1.0; RomaniaMap[Arad][Sibiu]=140; RomaniaMap[Arad][Zerind]=75; RomaniaMap[Arad][Timisoara]=118; RomaniaMap[Bucharest][Giurgiu]=90; RomaniaMap[Bucharest][Urziceni]=85; RomaniaMap[Bucharest][Fagaras]=211; RomaniaMap[Bucharest][Pitesti]=101; RomaniaMap[Craiova][Drobeta]=120; RomaniaMap[Craiova][RimnicuVilcea]=146; RomaniaMap[Craiova][Pitesti]=138; RomaniaMap[Drobeta][Craiova]=120; RomaniaMap[Drobeta][Mehadia]=75; RomaniaMap[Eforie][Hirsova]=75; RomaniaMap[Fagaras][Bucharest]=211; RomaniaMap[Fagaras][Sibiu]=99; RomaniaMap[Giurgiu][Bucharest]=90; RomaniaMap[Hirsova][Eforie]=86; RomaniaMap[Hirsova][Urziceni]=98; RomaniaMap[Iasi][Vaslui]=92; RomaniaMap[Iasi][Neamt]=87; RomaniaMap[Lugoj][Timisoara]=111; RomaniaMap[Lugoj][Mehadia]=70; RomaniaMap[Mehadia][Lugoj]=70; RomaniaMap[Mehadia][Drobeta]=75; RomaniaMap[Neamt][Iasi]=87; RomaniaMap[Oradea][Zerind]=71; RomaniaMap[Oradea][Sibiu]=151; RomaniaMap[Pitesti][Bucharest]=101; RomaniaMap[Pitesti][RimnicuVilcea]=97; RomaniaMap[Pitesti][Craiova]=138; RomaniaMap[RimnicuVilcea][Pitesti]=97; RomaniaMap[RimnicuVilcea][Craiova]=146; RomaniaMap[RimnicuVilcea][Sibiu]=80; RomaniaMap[Sibiu][RimnicuVilcea]=80; RomaniaMap[Sibiu][Fagaras]=99; RomaniaMap[Sibiu][Oradea]=151; RomaniaMap[Sibiu][Arad]=140; RomaniaMap[Timisoara][Arad]=118; RomaniaMap[Timisoara][Lugoj]=111; RomaniaMap[Urziceni][Bucharest]=85; RomaniaMap[Urziceni][Hirsova]=98; RomaniaMap[Urziceni][Vaslui]=142; RomaniaMap[Vaslui][Urziceni]=142; RomaniaMap[Vaslui][Iasi]=92; RomaniaMap[Zerind][Arad]=75; RomaniaMap[Zerind][Oradea]=71; // City names CityNames[Arad].assign("Arad"); CityNames[Bucharest].assign("Bucharest"); CityNames[Craiova].assign("Craiova"); CityNames[Drobeta].assign("Drobeta"); CityNames[Eforie].assign("Eforie"); CityNames[Fagaras].assign("Fagaras"); CityNames[Giurgiu].assign("Giurgiu"); CityNames[Hirsova].assign("Hirsova"); CityNames[Iasi].assign("Iasi"); CityNames[Lugoj].assign("Lugoj"); CityNames[Mehadia].assign("Mehadia"); CityNames[Neamt].assign("Neamt"); CityNames[Oradea].assign("Oradea"); CityNames[Pitesti].assign("Pitesti"); CityNames[RimnicuVilcea].assign("RimnicuVilcea"); CityNames[Sibiu].assign("Sibiu"); CityNames[Timisoara].assign("Timisoara"); CityNames[Urziceni].assign("Urziceni"); CityNames[Vaslui].assign("Vaslui"); CityNames[Zerind].assign("Zerind"); ENUM_CITIES initCity = Arad; if(argc == 2) { bool found = false; for(size_t i=0; i<CityNames.size(); i++) if(CityNames[i].compare(argv[1])==0) { initCity = (ENUM_CITIES)i; found = true; break; } if(not found) { cout << "There is no city named "<<argv[1]<<" in the map!\n"; return(1); } } // An instance of A* search class AStarSearch<PathSearchNode> astarsearch; unsigned int SearchCount = 0; const unsigned int NumSearches = 1; while(SearchCount < NumSearches) { // Create a start state PathSearchNode nodeStart; nodeStart.city = initCity; // Define the goal state, always Bucharest! PathSearchNode nodeEnd; nodeEnd.city = Bucharest; // Set Start and goal states astarsearch.SetStartAndGoalStates( nodeStart, nodeEnd ); unsigned int SearchState; unsigned int SearchSteps = 0; do { SearchState = astarsearch.SearchStep(); SearchSteps++; #if DEBUG_LISTS cout << "Steps:" << SearchSteps << "\n"; int len = 0; cout << "Open:\n"; PathSearchNode *p = astarsearch.GetOpenListStart(); while( p ) { len++; #if !DEBUG_LIST_LENGTHS_ONLY ((PathSearchNode *)p)->PrintNodeInfo(); #endif p = astarsearch.GetOpenListNext(); } cout << "Open list has " << len << " nodes\n"; len = 0; cout << "Closed:\n"; p = astarsearch.GetClosedListStart(); while( p ) { len++; #if !DEBUG_LIST_LENGTHS_ONLY p->PrintNodeInfo(); #endif p = astarsearch.GetClosedListNext(); } cout << "Closed list has " << len << " nodes\n"; #endif } while( SearchState == AStarSearch<PathSearchNode>::SEARCH_STATE_SEARCHING ); if( SearchState == AStarSearch<PathSearchNode>::SEARCH_STATE_SUCCEEDED ) { cout << "Search found the goal state\n"; PathSearchNode *node = astarsearch.GetSolutionStart(); cout << "Displaying solution\n"; int steps = 0; node->PrintNodeInfo(); for( ;; ) { node = astarsearch.GetSolutionNext(); if( !node ) break; node->PrintNodeInfo(); steps ++; }; cout << "Solution steps " << steps << endl; // Once you're done with the solution you can free the nodes up astarsearch.FreeSolutionNodes(); } else if( SearchState == AStarSearch<PathSearchNode>::SEARCH_STATE_FAILED ) { cout << "Search terminated. Did not find goal state\n"; } // Display the number of loops the search went through cout << "SearchSteps : " << SearchSteps << "\n"; SearchCount ++; astarsearch.EnsureMemoryFreed(); } return 0; }
void Mystery::step() { if (ended) { return; } AStarSearch<MapSearchNode> astarsearch; std::vector<Character *>::iterator itChars; for (itChars = characters.begin(); itChars < characters.end(); ++itChars) { Character *character = (Character *) *itChars; if (character->dead) { continue; } if (character->idle) { int targetX = 0; int targetY = 0; // Any dead people in the same room? Character *corpseInRoom = NULL; std::vector<Character *>::iterator itOthers; for (itOthers = characters.begin(); itOthers < characters.end(); ++itOthers) { Character *other = (Character *) *itOthers; if (other->currentRoom == character->currentRoom && other->dead) { corpseInRoom = other; } } // Does the character want to chat? bool wantsToTalk = rand() % 2 == 0; if (corpseFound && (character->murderTarget == NULL || (character->murderTarget != NULL && character->carryingWeapon == NULL))) { targetX = victim->position.x; targetY = victim->position.y; character->currentTarget = NULL; } else if (corpseInRoom != NULL && character->murderTarget == NULL) { // Go look at the corpse targetX = corpseInRoom->position.x; targetY = corpseInRoom->position.y; character->currentTarget = NULL; } else if (character->murderTarget != NULL && !character->murderTarget->dead && character->carryingWeapon != NULL && character->timeBeforeTryMurder == 0) { // Murderer goes after its target if he has a weapon and the target is // not dead yet targetX = character->murderTarget->position.x; targetY = character->murderTarget->position.y; character->currentTarget = NULL; } else if (wantsToTalk) { // Goes after another character int idxOption = rand() % characters.size(); Character *option = characters[idxOption]; targetX = option->position.x; targetY = option->position.y; character->currentTarget = NULL; } else { // Looks for a POI matching the characters interest in any room Room *room; std::vector<POI *> points; bool notSearchedOnly = false; Interest interest = character->interest; if (character->murderTarget != NULL && ((character->carryingWeapon == NULL && character->timeBeforeSearchWeapon == 0 && !character->murderTarget->dead) || (character->carryingWeapon != NULL && character->murderTarget->dead))) { // If the character is a murderer and is looking for a weapon, or // if he/she already killed the target, he/she goes to a container // to grab/hide the weapon if (character->carryingWeapon != NULL) { interest = InterestContainerConceiled; } else { interest = InterestContainerVisible; } // If he has no weapon, searches only the containers not // searched yet notSearchedOnly = character->carryingWeapon == NULL; } else { // There's a chance the character wants to see a container int chance = rand() % 100; if (chance < 25) { interest = InterestContainerVisible; } else if (chance < 50) { interest = InterestContainerConceiled; } } do { int roomIdx = rand() % rooms.size(); room = rooms[roomIdx]; points = room->getPointsOfInterest(interest, notSearchedOnly); } while (points.size() == 0); // Goes after an interesting random POI int idx = rand() % points.size(); POI *poi = points[idx]; character->currentTarget = poi; targetX = poi->position.x; targetY = poi->position.y; } character->idle = false; MapSearchNode nodeStart; nodeStart.x = (int) character->position.x; nodeStart.y = (int) character->position.y; nodeStart.mystery = this; MapSearchNode nodeEnd; nodeEnd.x = targetX; nodeEnd.y = targetY; nodeEnd.mystery = this; astarsearch.SetStartAndGoalStates(nodeStart, nodeEnd); unsigned int SearchState; do { SearchState = astarsearch.SearchStep(); } while( SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SEARCHING ); // Found a path to the target if (SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SUCCEEDED) { MapSearchNode *node = astarsearch.GetSolutionStart(); while (node) { // Builds the steps for the character to reach its target Step *step = new Step(); step->position = pointMake(node->x, node->y); step->conversationWith = NULL; step->type = StepTypeWalk; step->duration = STEP_DURATION; if (character->currentTarget != NULL && pointEqualsIntegral(step->position, character->currentTarget->position)) { Step *step = new Step(); step->position = pointMake(node->x, node->y); step->conversationWith = NULL; step->type = StepTypeStartInteractPOI; step->duration = 1; character->addStep(step); step = new Step(); step->position = pointMake(node->x, node->y); step->conversationWith = NULL; step->type = StepTypeInteractPOI; step->duration = rand() % MAX_DURATION_POI_INTERACTION + MIN_DURATION_POI_INTERACTION; character->addStep(step); step = new Step(); step->position = pointMake(node->x, node->y); step->conversationWith = NULL; step->type = StepTypeEndInteractPOI; step->duration = 1; character->addStep(step); } else { Step *step = new Step(); step->position = pointMake(node->x, node->y); step->conversationWith = NULL; step->type = StepTypeWalk; step->duration = STEP_DURATION; character->addStep(step); } node = astarsearch.GetSolutionNext(); } astarsearch.FreeSolutionNodes(); } } else { // Updates the character's path by 1 unit of time character->updatePath(); if (!character->isHavingConversation() && character->conversationInterval > 0) { character->conversationInterval--; } if (character->timeBeforeSearchWeapon > 0) { character->timeBeforeSearchWeapon--; } else { if (character->timeBeforeTryMurder > 0 && character->carryingWeapon != NULL) { character->timeBeforeTryMurder--; } } Room *currentRoom = NULL; // Determines if the character entered or left a room std::vector<Room *>::iterator itRooms; for (itRooms = rooms.begin(); itRooms < rooms.end(); ++itRooms) { Room *room = (Room *) *itRooms; if (rectContainsPoint(room->bounds, character->position)) { currentRoom = room; } } if (currentRoom != character->currentRoom) { if (character->currentRoom != NULL) { printf("%s left %s\n", character->name.c_str(), character->currentRoom->name.c_str()); registerEventForAllInRoom(EventLeftRoom, character, NULL, character->currentRoom, NULL, NULL); } character->currentRoom = currentRoom; if (character->currentRoom != NULL) { printf("%s entered %s\n", character->name.c_str(), character->currentRoom->name.c_str()); registerEventForAllInRoom(EventEnteredRoom, character, NULL, character->currentRoom, NULL, NULL); if (character != murderer) { // Register any weapons saw before but missing std::vector<Memory *>::iterator it; std::vector<Memory *> memories = character->getMemories(); std::vector<Memory *> considered; for (it = memories.begin(); it < memories.end(); ++it) { Memory *memory = (Memory *) *it; if (memory->event == EventSawWeapon && memory->where == character->currentRoom && memory->when < time && !pointEqualsIntegral(memory->whatInside->position, memory->what->visualPosition)) { std::vector<Memory *>::iterator itOther; bool found = false; for (itOther = considered.begin(); itOther < considered.end(); ++itOther) { Memory *other = (Memory *) *itOther; if (other->where == memory->where && other->whatInside == memory->whatInside) { found = true; break; } } if (!found) { registerEventFor(character, EventWeaponMissing, NULL, NULL, character->currentRoom, memory->what, memory->whatInside); considered.push_back(memory); } } } } // Register visible weapons the character sees in the room std::vector<POI *>::iterator itPOI; for (itPOI = character->currentRoom->pointsOfInterest.begin(); itPOI < character->currentRoom->pointsOfInterest.end(); ++itPOI) { POI *poi = (POI *) *itPOI; if (poi->interest == InterestContainerVisible && poi->contents != NULL && poi->contents->isWeapon()) { registerEventFor(character, EventSawWeapon, NULL, NULL, character->currentRoom, poi, poi->contents); } } std::vector<Character *>::iterator itOthers; for (itOthers = characters.begin(); itOthers < characters.end(); ++itOthers) { Character *other = (Character *) *itOthers; if (other != character && other->currentRoom == character->currentRoom) { registerEventFor(character, EventWasInRoom, other, NULL, character->currentRoom, NULL, NULL); // Register others having conversations if (other->isHavingConversation()) { Character *another = other->getCurrentStep()->conversationWith; registerEventFor(character, EventWasHavingConversation, other, another, character->currentRoom, NULL, NULL); } // Register others interacting with POIs if (other->isInteractingWithPOI()) { registerEventFor(character, EventWasInteractingPOI, other, NULL, character->currentRoom, other->currentTarget, NULL); } } } } } if (character->getCurrentStep() != NULL) { Character *another; switch (character->getCurrentStep()->type) { case StepTypeStartInteractPOI: registerEventForAllInRoom(EventStartInteractPOI, character, NULL, character->currentRoom, character->currentTarget, NULL); break; case StepTypeEndInteractPOI: another = character->getCurrentStep()->conversationWith; registerEventForAllInRoom(EventEndInteractPOI, character, another, character->currentRoom, character->currentTarget, NULL); break; case StepTypeEndConversation: another = character->getCurrentStep()->conversationWith; registerEventForAllInRoom(EventEndConversation, character, another, character->currentRoom, NULL, NULL); break; default: break; } } bool aloneInRoom = true; bool aloneInRoomWithVictim = true; bool allNearCorpse = pointEqualsIntegral(character->position, victim->position); std::vector<Character *>::iterator itOthers; for (itOthers = characters.begin(); itOthers < characters.end(); ++itOthers) { Character *other = (Character *) *itOthers; allNearCorpse = allNearCorpse && pointEqualsIntegral(other->position, victim->position); if (other != character) { if (character->currentRoom == other->currentRoom) { aloneInRoom = false; if (other != character->murderTarget) { aloneInRoomWithVictim = false; } } if (victim->dead && other == victim && pointEqualsIntegral(character->position, other->position) && !corpseFound) { printf("*** %s found %s's body in the %s ***\n", character->name.c_str(), victim->name.c_str(), character->currentRoom->name.c_str()); corpseFound = true; corpseFoundTime = time; corpseFoundRoom = character->currentRoom; character->clearPath(); std::vector<Character *>::iterator itAll; for (itAll = characters.begin(); itAll < characters.end(); ++itAll) { registerEventFor(*itAll, EventFoundBody, character, NULL, corpseFoundRoom, NULL, NULL); } } // Looks for: // - adjacent characters // - one of them without a POI in mind // - both not already in a conversation // - both conversation intervals expired if (pointAdjacentIntegral(character->position, other->position) && (character->currentTarget == NULL || other->currentTarget == NULL) && (!character->isHavingConversation() && !other->isHavingConversation()) && (character->conversationInterval == 0 && other->conversationInterval == 0) && !corpseFound) { int duration = rand() % MAX_DURATION_CONVERSATION + MIN_DURATION_CONVERSATION; // If both characters have matching interests, the talk is longer if (character->interest == other->interest) { duration *= CONVERSATION_INTEREST_FACTOR; } character->clearPath(); other->clearPath(); Step *step = new Step(); step->position = character->position; step->duration = duration; step->conversationWith = other; step->type = StepTypeConversation; character->addStep(step); step = new Step(); step->position = character->position; step->duration = 1; step->conversationWith = other; step->type = StepTypeEndConversation; character->addStep(step); step = new Step(); step->position = other->position; step->duration = duration; step->conversationWith = character; step->type = StepTypeConversation; other->addStep(step); step = new Step(); step->position = other->position; step->duration = 1; step->conversationWith = character; step->type = StepTypeEndConversation; other->addStep(step); character->conversationInterval = CONVERSATION_INTERVAL; other->conversationInterval = CONVERSATION_INTERVAL; registerEventForAllInRoom(EventStartConversation, character, other, character->currentRoom, NULL, NULL); registerEventForAllInRoom(EventStartConversation, other, character, character->currentRoom, NULL, NULL); printf("%s and %s are having a conversation\n", character->name.c_str(), other->name.c_str()); } } } if (allNearCorpse && corpseFound) { ended = true; printf("*** Mystery finished ***\n"); } // Murderer-specific actions if (character->murderTarget != NULL) { // Grabs a weapon if: // - interval elapsed // - not carrying a weapon already // - murder target is not dead // - has a target POI // - reached the target POI // - POI has contents // - POI's content is a weapon matching interest // - alone in the room if (character->timeBeforeSearchWeapon == 0 && character->carryingWeapon == NULL && !victim->dead && character->currentTarget != NULL && pointEqualsIntegral(character->position, character->currentTarget->position) && character->currentTarget->contents != NULL && character->currentTarget->contents->interest == character->weaponInterest && aloneInRoom) { character->carryingWeapon = character->currentTarget->contents; character->carryingWeapon->position = pointMake(-20, -20); character->currentTarget->contents = NULL; printf("*** %s got a %s! ***\n", character->name.c_str(), character->carryingWeapon->description.c_str()); } // Kills the victim if: // - interval elapsed // - already got a weapon // - near the victim // - murder target is not dead // - alone in the room with victim if (character->timeBeforeTryMurder == 0 && character->carryingWeapon != NULL && pointAdjacentIntegral(character->position, victim->position) && !victim->dead && aloneInRoomWithVictim) { printf("*** %s murdered %s! ***\n", character->name.c_str(), victim->name.c_str()); victim->dead = true; crimeWeapon = character->carryingWeapon; character->clearPath(); // Murderer will lie int idx = rand() % character->currentRoom->pointsOfInterest.size(); POI *poi = character->currentRoom->pointsOfInterest[idx]; registerEventFor(character, EventStartInteractPOI, character, NULL, character->currentRoom, poi, NULL); registerEventFor(character, EventEndInteractPOI, character, NULL, character->currentRoom, poi, NULL); } // Hides the weapon if: // - carrying a weapon // - murder target is dead // - has a target POI // - reached the target POI // - POI has no contents // - alone in the room if (character->carryingWeapon != NULL && victim->dead && character->currentTarget != NULL && pointEqualsIntegral(character->position, character->currentTarget->position) && character->currentTarget->contents == NULL && aloneInRoom) { character->carryingWeapon->position = character->currentTarget->visualPosition; if (character->currentTarget->interest == InterestContainerConceiled) { character->carryingWeapon->position = pointMake(-20, -20); } character->currentTarget->contents = character->carryingWeapon; character->carryingWeapon = NULL; printf("*** %s hid the %s in the %s, in the %s! ***\n", character->name.c_str(), character->currentTarget->contents->description.c_str(), character->currentTarget->description.c_str(), currentRoom->name.c_str()); } } } } astarsearch.EnsureMemoryFreed(); time++; }
double Navigation::getPath(RobotCommand rc, QList<Vector2D> *points) { Q_UNUSED(points); if(rc.useNav == false) return wm->ourRobot[id].pos.loc.dist(rc.fin_pos.loc); AStarSearch<MapSearchNode> astarsearch; MapSearchNode::wm = wm; MapSearchNode::isBallObs = rc.isBallObs; MapSearchNode::isKickObs = rc.isKickObs; MapSearchNode::selfRobot = id; MapSearchNode nodeStart; MapSearchNode nodeEnd; nodeStart.vec = wm->ourRobot[id].pos.loc; auto obs = MapSearchNode::getObsCircle(); bool is_fin_obs = false; for(int i=0; i<obs.size(); i++) { if(obs[i].contains(rc.fin_pos.loc)) { Circle2D c(obs[i].center(), obs[i].radius() + BALL_RADIUS*3); if(rc.fin_pos.loc == obs[i].center()) rc.fin_pos.loc += Vector2D(-1,0); Line2D l(obs[i].center(), rc.fin_pos.loc); Vector2D ans1, ans2; int ans = c.intersection(l, &ans1, &ans2); switch (ans) { case 0: qDebug() << "NAV 0 !!!"; //qDebug() << c.center().x << c.center().y << c.radius(); //qDebug() << l.a() << l.b() << l.c(); //qDebug() << wm->ball.pos.loc.x << wm->ball.pos.loc.y; //qDebug() << rc.fin_pos.loc.x << rc.fin_pos.loc.y; break; case 1: //qDebug() << "1"; nodeEnd.vec = ans1; is_fin_obs = true; break; case 2: //qDebug() << "2"; if(ans1.dist2(rc.fin_pos.loc) < ans2.dist2(rc.fin_pos.loc)) nodeEnd.vec = ans1; else nodeEnd.vec = ans2; is_fin_obs = true; break; default: qDebug() << "DEF"; break; } //qDebug() << "FIN_POS chaned" << rc.fin_pos.loc.x << rc.fin_pos.loc.y << nodeEnd.vec.x << nodeEnd.vec.y; break; } } if(!is_fin_obs) nodeEnd.vec = rc.fin_pos.loc; //qDebug()<< "----- NAV START -----"; //qDebug()<< "start" << nodeStart.vec.x << nodeStart.vec.y; //qDebug()<< "end " << nodeEnd.vec.x << nodeEnd.vec.y; astarsearch.SetStartAndGoalStates(nodeStart, nodeEnd); unsigned int SearchState; unsigned int SearchSteps = 0; do { //qDebug() << "SearchStep" << SearchSteps; SearchState = astarsearch.SearchStep(); SearchSteps++; } while(SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SEARCHING); double pathL = 0; if(SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_SUCCEEDED) { //qDebug() << "AStarSearch SUCCEEDED"; MapSearchNode *node = astarsearch.GetSolutionStart(); //qDebug() << "SolutionStart" << node->vec.x << node->vec.y; int steps = 0; if(points) points->append(node->vec); //nodeStart Vector2D lastNode = node->vec; for(;;) { node = astarsearch.GetSolutionNext(); if(!node) break; //qDebug() << "SolutionNext" << node->vec.x << node->vec.y; if(points) points->append(node->vec); steps++; pathL += (lastNode - node->vec).length(); lastNode = node->vec; } astarsearch.FreeSolutionNodes(); } else if(SearchState == AStarSearch<MapSearchNode>::SEARCH_STATE_FAILED) { qDebug() << "AStarSearch FAILED" << id; } astarsearch.EnsureMemoryFreed(); //qDebug()<< "----- NAV END -----"; return pathL; //path length }
int main( int argc, char *argv[] ) { cout << "STL A* 8-puzzle solver implementation\n(C)2001 Justin Heyes-Jones\n"; bool bUserBoard = false; if( argc > 1 ) { char *userboard = argv[1]; int i = 0; int c; while( c = argv[1][i] ) { if( isdigit( c ) ) { int num = (c - '0'); PuzzleState::g_start[i] = static_cast<PuzzleState::TILE>(num); } i++; } } // Create an instance of the search class... AStarSearch<PuzzleState> astarsearch; int NumTimesToSearch = NUM_TIMES_TO_RUN_SEARCH; while( NumTimesToSearch-- ) { // Create a start state PuzzleState nodeStart( PuzzleState::g_start ); // Define the goal state PuzzleState nodeEnd( PuzzleState::g_goal ); // Set Start and goal states astarsearch.SetStartAndGoalStates( nodeStart, nodeEnd ); unsigned int SearchState; unsigned int SearchSteps = 0; do { SearchState = astarsearch.SearchStep(); #if DEBUG_LISTS float f,g,h; cout << "Search step " << SearchSteps << endl; cout << "Open:\n"; PuzzleState *p = astarsearch.GetOpenListStart( f,g,h ); while( p ) { ((PuzzleState *)p)->PrintNodeInfo(); cout << "f: " << f << " g: " << g << " h: " << h << "\n\n"; p = astarsearch.GetOpenListNext( f,g,h ); } cout << "Closed:\n"; p = astarsearch.GetClosedListStart( f,g,h ); while( p ) { p->PrintNodeInfo(); cout << "f: " << f << " g: " << g << " h: " << h << "\n\n"; p = astarsearch.GetClosedListNext( f,g,h ); } #endif // Test cancel search #if 0 int StepCount = astarsearch.GetStepCount(); if( StepCount == 10 ) { astarsearch.CancelSearch(); } #endif SearchSteps++; } while( SearchState == AStarSearch<PuzzleState>::SEARCH_STATE_SEARCHING ); if( SearchState == AStarSearch<PuzzleState>::SEARCH_STATE_SUCCEEDED ) { #if DISPLAY_SOLUTION_FORWARDS cout << "Search found goal state\n"; #endif PuzzleState *node = astarsearch.GetSolutionStart(); #if DISPLAY_SOLUTION_FORWARDS cout << "Displaying solution\n"; #endif int steps = 0; #if DISPLAY_SOLUTION_FORWARDS node->PrintNodeInfo(); cout << endl; #endif for( ;; ) { node = astarsearch.GetSolutionNext(); if( !node ) { break; } #if DISPLAY_SOLUTION_FORWARDS node->PrintNodeInfo(); cout << endl; #endif steps ++; }; #if DISPLAY_SOLUTION_FORWARDS // todo move step count into main algorithm cout << "Solution steps " << steps << endl; #endif //////////// node = astarsearch.GetSolutionEnd(); #if DISPLAY_SOLUTION_BACKWARDS cout << "Displaying reverse solution\n"; #endif steps = 0; node->PrintNodeInfo(); cout << endl; for( ;; ) { node = astarsearch.GetSolutionPrev(); if( !node ) { break; } #if DISPLAY_SOLUTION_BACKWARDS node->PrintNodeInfo(); cout << endl; #endif steps ++; }; #if DISPLAY_SOLUTION_BACKWARDS cout << "Solution steps " << steps << endl; #endif ////////////// // Once you're done with the solution you can free the nodes up astarsearch.FreeSolutionNodes(); } else if( SearchState == AStarSearch<PuzzleState>::SEARCH_STATE_FAILED ) { #if DISPLAY_SOLUTION_INFO cout << "Search terminated. Did not find goal state\n"; #endif } else if( SearchState == AStarSearch<PuzzleState>::SEARCH_STATE_OUT_OF_MEMORY ) { #if DISPLAY_SOLUTION_INFO cout << "Search terminated. Out of memory\n"; #endif } // Display the number of loops the search went through #if DISPLAY_SOLUTION_INFO cout << "SearchSteps : " << astarsearch.GetStepCount() << endl; #endif } return 0; }