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vcmi/AI/Nullkiller/Behaviors/ClusterBehavior.cpp
2021-07-26 21:02:50 +03:00

117 lines
2.8 KiB
C++

/*
* RecruitHeroBehavior.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "ClusterBehavior.h"
#include "../AIGateway.h"
#include "../Engine/Nullkiller.h"
#include "../AIUtility.h"
#include "../Markers/UnlockCluster.h"
#include "../Goals/Composition.h"
#include "../Behaviors/CaptureObjectsBehavior.h"
extern boost::thread_specific_ptr<CCallback> cb;
extern boost::thread_specific_ptr<AIGateway> ai;
using namespace Goals;
std::string ClusterBehavior::toString() const
{
return "Unlock Clusters";
}
Goals::TGoalVec ClusterBehavior::decompose() const
{
Goals::TGoalVec tasks;
auto clusters = ai->nullkiller->objectClusterizer->getLockedClusters();
for(auto cluster : clusters)
{
vstd::concatenate(tasks, decomposeCluster(cluster));
}
return tasks;
}
Goals::TGoalVec ClusterBehavior::decomposeCluster(std::shared_ptr<ObjectCluster> cluster) const
{
auto center = cluster->calculateCenter();
auto paths = ai->nullkiller->pathfinder->getPathInfo(center->visitablePos());
auto blockerPos = cluster->blocker->visitablePos();
std::vector<AIPath> blockerPaths;
blockerPaths.reserve(paths.size());
TGoalVec goals;
#if AI_TRACE_LEVEL >= 2
logAi->trace(
"Checking cluster %s %s, found %d paths",
cluster->blocker->getObjectName(),
cluster->blocker->visitablePos().toString(),
paths.size());
#endif
for(auto path = paths.begin(); path != paths.end();)
{
#if AI_TRACE_LEVEL >= 2
logAi->trace("Checking path %s", path->toString());
#endif
auto blocker = ai->nullkiller->objectClusterizer->getBlocker(*path);
if(blocker != cluster->blocker)
{
path = paths.erase(path);
continue;
}
blockerPaths.push_back(*path);
AIPath & clonedPath = blockerPaths.back();
clonedPath.nodes.clear();
for(auto node = path->nodes.rbegin(); node != path->nodes.rend(); node++)
{
clonedPath.nodes.insert(clonedPath.nodes.begin(), *node);
if(node->coord == blockerPos || cb->getGuardingCreaturePosition(node->coord) == blockerPos)
break;
}
for(auto & node : clonedPath.nodes)
node.parentIndex -= path->nodes.size() - clonedPath.nodes.size();
#if AI_TRACE_LEVEL >= 2
logAi->trace("Unlock path found %s", blockerPaths.back().toString());
#endif
path++;
}
#if AI_TRACE_LEVEL >= 2
logAi->trace("Decompose unlock paths");
#endif
auto unlockTasks = CaptureObjectsBehavior::getVisitGoals(blockerPaths);
for(int i = 0; i < paths.size(); i++)
{
if(unlockTasks[i]->invalid())
continue;
auto path = paths[i];
auto elementarUnlock = sptr(UnlockCluster(cluster, path));
goals.push_back(sptr(Composition().addNext(elementarUnlock).addNext(unlockTasks[i])));
}
return goals;
}