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39c0ce9ddf
When distance between start and end point is greater than max radius of area possibly covered by navmesh there is no way to find path via navmesh. Also if distance is greater than cell size navmesh might not exists withing mentioned area because cell is not loaded therefore navmesh is not generated. So minumum of these values is used to limit max path distance. Assuming that path actually exists it's possible to build path to the edge of a circle. When actor reaches initial edge path is built further. However it will not be optimal.
80 lines
3 KiB
C++
80 lines
3 KiB
C++
#ifndef OPENMW_COMPONENTS_DETOURNAVIGATOR_NAVIGATORIMPL_H
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#define OPENMW_COMPONENTS_DETOURNAVIGATOR_NAVIGATORIMPL_H
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#include "navigator.hpp"
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#include "navmeshmanager.hpp"
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#include <set>
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namespace DetourNavigator
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{
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class NavigatorImpl final : public Navigator
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{
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public:
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/**
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* @brief Navigator constructor initializes all internal data. Constructed object is ready to build a scene.
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* @param settings allows to customize navigator work. Constructor is only place to set navigator settings.
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*/
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explicit NavigatorImpl(const Settings& settings);
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void addAgent(const osg::Vec3f& agentHalfExtents) override;
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void removeAgent(const osg::Vec3f& agentHalfExtents) override;
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bool addObject(const ObjectId id, const btCollisionShape& shape, const btTransform& transform) override;
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bool addObject(const ObjectId id, const ObjectShapes& shapes, const btTransform& transform) override;
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bool addObject(const ObjectId id, const DoorShapes& shapes, const btTransform& transform) override;
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bool updateObject(const ObjectId id, const btCollisionShape& shape, const btTransform& transform) override;
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bool updateObject(const ObjectId id, const ObjectShapes& shapes, const btTransform& transform) override;
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bool updateObject(const ObjectId id, const DoorShapes& shapes, const btTransform& transform) override;
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bool removeObject(const ObjectId id) override;
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bool addWater(const osg::Vec2i& cellPosition, const int cellSize, const btScalar level,
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const btTransform& transform) override;
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bool removeWater(const osg::Vec2i& cellPosition) override;
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void addPathgrid(const ESM::Cell& cell, const ESM::Pathgrid& pathgrid) override;
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void removePathgrid(const ESM::Pathgrid& pathgrid) override;
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void update(const osg::Vec3f& playerPosition) override;
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void setUpdatesEnabled(bool enabled) override;
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void wait() override;
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SharedNavMeshCacheItem getNavMesh(const osg::Vec3f& agentHalfExtents) const override;
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std::map<osg::Vec3f, SharedNavMeshCacheItem> getNavMeshes() const override;
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const Settings& getSettings() const override;
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void reportStats(unsigned int frameNumber, osg::Stats& stats) const override;
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RecastMeshTiles getRecastMeshTiles() override;
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float getMaxNavmeshAreaRealRadius() const override;
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private:
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Settings mSettings;
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NavMeshManager mNavMeshManager;
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bool mUpdatesEnabled;
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std::map<osg::Vec3f, std::size_t> mAgents;
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std::unordered_map<ObjectId, ObjectId> mAvoidIds;
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std::unordered_map<ObjectId, ObjectId> mWaterIds;
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void updateAvoidShapeId(const ObjectId id, const ObjectId avoidId);
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void updateWaterShapeId(const ObjectId id, const ObjectId waterId);
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void updateId(const ObjectId id, const ObjectId waterId, std::unordered_map<ObjectId, ObjectId>& ids);
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void removeUnusedNavMeshes();
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};
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}
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#endif
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