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Merge remote-tracking branch 'dteviot/Bug2726'

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This commit is contained in:
Marc Zinnschlag 2015-07-06 13:07:40 +02:00
commit 88f1220a77
3 changed files with 5 additions and 45 deletions
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38
apps/openmw/mwmechanics/aiwander.cpp
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@ -267,6 +267,7 @@ namespace MWMechanics
moveNow = false;
walking = false;
chooseAction = true;
mStuckCount = 0;
}
//#endif
}
@ -410,7 +411,7 @@ namespace MWMechanics
ESM::Pathgrid::Point start(PathFinder::MakePathgridPoint(pos));
// don't take shortcuts for wandering
storage.mPathFinder.buildPath(start, dest, actor.getCell(), false);
storage.mPathFinder.buildSyncedPath(start, dest, actor.getCell(), false);
if(storage.mPathFinder.isPathConstructed())
{
@ -510,17 +511,10 @@ namespace MWMechanics
ESM::Pathgrid::Point start(PathFinder::MakePathgridPoint(pos));
// don't take shortcuts for wandering
storage.mPathFinder.buildPath(start, dest, actor.getCell(), false);
storage.mPathFinder.buildSyncedPath(start, dest, actor.getCell(), false);
if(storage.mPathFinder.isPathConstructed())
{
// buildPath inserts dest in case it is not a pathgraph point
// index which is a duplicate for AiWander. However below code
// does not work since getPath() returns a copy of path not a
// reference
//if(storage.mPathFinder.getPathSize() > 1)
//storage.mPathFinder.getPath().pop_back();
// Remove this node as an option and add back the previously used node (stops NPC from picking the same node):
ESM::Pathgrid::Point temp = mAllowedNodes[randNode];
mAllowedNodes.erase(mAllowedNodes.begin() + randNode);
@ -726,36 +720,10 @@ namespace MWMechanics
mCurrentNode = mAllowedNodes[index];
mAllowedNodes.erase(mAllowedNodes.begin() + index);
}
// In vanilla Morrowind, sometimes distance is too small to include at least two points,
// in which case, we will take the two closest points regardless of the wander distance
// This is a backup option, as std::sort is potentially O(n^2) in time.
if (mAllowedNodes.empty())
{
// Start with list of PathGrid nodes, sorted by distance from actor
std::vector<PathDistance> nodeDistances;
for (unsigned int counter = 0; counter < pathgrid->mPoints.size(); counter++)
{
float distance = (npcPos - PathFinder::MakeOsgVec3(pathgrid->mPoints[counter])).length2();
nodeDistances.push_back(std::make_pair(distance, &pathgrid->mPoints.at(counter)));
}
std::sort(nodeDistances.begin(), nodeDistances.end(), sortByDistance);
// make closest node the current node
mCurrentNode = *nodeDistances[0].second;
// give Actor a 2nd node to walk to
mAllowedNodes.push_back(*nodeDistances[1].second);
}
mStoredAvailableNodes = true; // set only if successful in finding allowed nodes
}
}
bool AiWander::sortByDistance(const PathDistance& left, const PathDistance& right)
{
return left.first < right.first;
}
void AiWander::writeState(ESM::AiSequence::AiSequence &sequence) const
{
std::auto_ptr<ESM::AiSequence::AiWander> wander(new ESM::AiSequence::AiWander());

7
apps/openmw/mwmechanics/aiwander.hpp
View file

@ -120,13 +120,6 @@ namespace MWMechanics
/// lookup table for converting idleSelect value to groupName
static const std::string sIdleSelectToGroupName[GroupIndex_MaxIdle - GroupIndex_MinIdle + 1];
/// record distances of pathgrid point nodes to actor
/// first value is distance between actor and node, second value is PathGrid node
typedef std::pair<float, const ESM::Pathgrid::Point*> PathDistance;
/// used to sort array of PathDistance objects into ascending order
static bool sortByDistance(const PathDistance& left, const PathDistance& right);
};

5
apps/openmw/mwmechanics/pathfinding.hpp
View file

@ -35,9 +35,6 @@ namespace MWMechanics
void clearPath();
void buildPath(const ESM::Pathgrid::Point &startPoint, const ESM::Pathgrid::Point &endPoint,
const MWWorld::CellStore* cell, bool allowShortcuts = true);
bool checkPathCompleted(float x, float y, float tolerance=32.f);
///< \Returns true if we are within \a tolerance units of the last path point.
@ -92,6 +89,8 @@ namespace MWMechanics
}
private:
void buildPath(const ESM::Pathgrid::Point &startPoint, const ESM::Pathgrid::Point &endPoint,
const MWWorld::CellStore* cell, bool allowShortcuts = true);
std::list<ESM::Pathgrid::Point> mPath;