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OpenSpace/include/openspace/navigation/waypoint.h
Alexander Bock 820e90eab4 Happy new year
2025-01-14 16:21:08 +01:00

100 lines
4.6 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2025 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#ifndef __OPENSPACE_CORE___WAYPOINT___H__
#define __OPENSPACE_CORE___WAYPOINT___H__
#include <openspace/camera/camerapose.h>
#include <ghoul/glm.h>
#include <optional>
#include <string>
namespace openspace { class SceneGraphNode; }
namespace openspace::interaction {
struct NavigationState;
class Waypoint {
public:
Waypoint() = default;
Waypoint(const glm::dvec3& pos, const glm::dquat& rot, std::string ref);
explicit Waypoint(const NavigationState& ns);
CameraPose pose() const;
glm::dvec3 position() const;
glm::dquat rotation() const;
SceneGraphNode* node() const;
std::string nodeIdentifier() const;
std::optional<std::string> aimIdentifier() const;
double validBoundingSphere() const;
private:
CameraPose _pose;
std::string _nodeIdentifier;
// To be able to handle nodes with faulty bounding spheres
double _validBoundingSphere = 0.0;
// Keep track of if there was an aim node, specified in for example the
// navigation state used to create this waypoint. It may be required in
// certain situations
std::optional<std::string> _aimNodeIdentifier;
};
/**
* Compute a waypoint from the current camera position.
*
* \return The computed WayPoint
*/
Waypoint waypointFromCamera();
struct NodeCameraStateSpec {
std::string identifier;
std::optional<glm::dvec3> position;
std::optional<double> height;
bool useTargetUpDirection = false;
};
// @TODO (2023-05-16, emmbr) Allow different light sources, not only the 'Sun'
/**
* Compute a waypoint from information about a scene graph node and a previous waypoint,
* where the camera will be facing the given node. If there is a 'Sun' node in the scene,
* it will possibly be used to compute a position on the lit side of the object.
*
* \param spec Details about the node and state to create the waypoint from. Minimal
* information is the identifier of the node, but a position or height above
* the bounding sphere may also be given.
* \param startPoint An optional previous waypoint. If not specified, the current camera
* position will be used.
* \param useLinear If `true`, the new waypoint will be computed along a straight line
* from the start waypoint to the scene graph node or position.
* \return The computed WayPoint
*/
Waypoint computeWaypointFromNodeInfo(const NodeCameraStateSpec& spec,
const std::optional<Waypoint>& startPoint = std::nullopt, bool useLinear = false);
} // namespace openspace::interaction
#endif // __OPENSPACE_CORE___WAYPOINT___H__