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OpenMW/apps/openmw/mwphysics/movementsolver.hpp
2022-10-09 10:39:43 +00:00

54 lines
1.5 KiB
C++

#ifndef OPENMW_MWPHYSICS_MOVEMENTSOLVER_H
#define OPENMW_MWPHYSICS_MOVEMENTSOLVER_H
#include <osg/Vec3f>
#include <components/misc/constants.hpp>
class btCollisionWorld;
namespace MWWorld
{
class Ptr;
}
namespace MWPhysics
{
/// Vector projection
static inline osg::Vec3f project(const osg::Vec3f& u, const osg::Vec3f& v)
{
return v * (u * v);
}
/// Vector rejection
static inline osg::Vec3f reject(const osg::Vec3f& direction, const osg::Vec3f& planeNormal)
{
return direction - project(direction, planeNormal);
}
template <class Vec3>
static bool isWalkableSlope(const Vec3& normal)
{
static const float sMaxSlopeCos = std::cos(osg::DegreesToRadians(Constants::sMaxSlope));
return (normal.z() > sMaxSlopeCos);
}
class Actor;
struct ActorFrameData;
struct ProjectileFrameData;
struct WorldFrameData;
class MovementSolver
{
public:
static osg::Vec3f traceDown(const MWWorld::Ptr& ptr, const osg::Vec3f& position, Actor* actor,
btCollisionWorld* collisionWorld, float maxHeight);
static void move(
ActorFrameData& actor, float time, const btCollisionWorld* collisionWorld, const WorldFrameData& worldData);
static void move(ProjectileFrameData& projectile, float time, const btCollisionWorld* collisionWorld);
static void unstuck(ActorFrameData& actor, const btCollisionWorld* collisionWorld);
};
}
#endif