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OpenMW/apps/openmw/mwmechanics/obstacle.hpp
elsid b4868c6094
Filter evade directions by supported animations
To avoid trying those which will not lead to any actor movement due to absent
animation.
2023-07-22 17:30:40 +02:00

66 lines
1.7 KiB
C++

#ifndef OPENMW_MECHANICS_OBSTACLE_H
#define OPENMW_MECHANICS_OBSTACLE_H
#include "apps/openmw/mwworld/movementdirection.hpp"
#include <osg/Vec3f>
#include <vector>
namespace MWWorld
{
class Ptr;
class ConstPtr;
}
namespace MWMechanics
{
struct Movement;
/// tests actor's proximity to a closed door by default
bool proximityToDoor(const MWWorld::Ptr& actor, float minDist);
/// Returns door pointer within range. No guarantee is given as to which one
/** \return Pointer to the door, or empty pointer if none exists **/
const MWWorld::Ptr getNearbyDoor(const MWWorld::Ptr& actor, float minDist);
bool isAreaOccupiedByOtherActor(const MWWorld::ConstPtr& actor, const osg::Vec3f& destination,
bool ignorePlayer = false, std::vector<MWWorld::Ptr>* occupyingActors = nullptr);
class ObstacleCheck
{
public:
ObstacleCheck();
// Clear the timers and set the state machine to default
void clear();
bool isEvading() const;
// Updates internal state, call each frame for moving actor
void update(const MWWorld::Ptr& actor, const osg::Vec3f& destination, float duration,
MWWorld::MovementDirectionFlags supportedMovementDirection);
// change direction to try to fix "stuck" actor
void takeEvasiveAction(Movement& actorMovement) const;
private:
enum class WalkState
{
Initial,
Norm,
CheckStuck,
Evade,
};
WalkState mWalkState = WalkState::Initial;
float mStateDuration = 0;
float mInitialDistance = 0;
std::size_t mEvadeDirectionIndex;
osg::Vec3f mPrev;
osg::Vec3f mDestination;
};
}
#endif