mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2025-12-31 00:10:44 -06:00
284 lines
10 KiB
C++
284 lines
10 KiB
C++
/*****************************************************************************************
|
|
* *
|
|
* OpenSpace *
|
|
* *
|
|
* Copyright (c) 2014-2016 *
|
|
* *
|
|
* 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___INTERACTIONMODE___H__
|
|
#define __OPENSPACE_CORE___INTERACTIONMODE___H__
|
|
|
|
#include <openspace/interaction/keyboardcontroller.h>
|
|
#include <openspace/network/parallelconnection.h>
|
|
#include <openspace/util/mouse.h>
|
|
#include <openspace/util/keys.h>
|
|
|
|
#ifdef OPENSPACE_MODULE_GLOBEBROWSING_ENABLED
|
|
#include <modules/globebrowsing/tile/tileindex.h>
|
|
#include <modules/globebrowsing/geometry/geodetic2.h>
|
|
#endif
|
|
|
|
#include <list>
|
|
|
|
namespace openspace {
|
|
|
|
class Camera;
|
|
class SceneGraphNode;
|
|
|
|
namespace globebrowsing {
|
|
class RenderableGlobe;
|
|
}
|
|
|
|
namespace interaction {
|
|
|
|
template <typename T>
|
|
class Interpolator
|
|
{
|
|
public:
|
|
Interpolator(std::function<T(double)> transferFunction)
|
|
: _t(0.0)
|
|
, _transferFunction(transferFunction) {};
|
|
~Interpolator() {};
|
|
|
|
void start() { _t = 0.0; };
|
|
void end() { _t = 1.0; };
|
|
void step(double delta) { _t += delta; };
|
|
|
|
T value() { return _transferFunction(_t); };
|
|
bool isInterpolating() { return _t < 1.0; };
|
|
private:
|
|
std::function<T(double)> _transferFunction;
|
|
double _t;
|
|
};
|
|
|
|
class InputState
|
|
{
|
|
public:
|
|
InputState();
|
|
~InputState();
|
|
|
|
// Callback functions
|
|
void keyboardCallback(Key key, KeyModifier modifier, KeyAction action);
|
|
void mouseButtonCallback(MouseButton button, MouseAction action);
|
|
void mousePositionCallback(double mouseX, double mouseY);
|
|
void mouseScrollWheelCallback(double mouseScrollDelta);
|
|
|
|
// Mutators
|
|
void addKeyframe(const datamessagestructures::CameraKeyframe &kf);
|
|
void clearKeyframes();
|
|
void clearOldKeyframes();
|
|
|
|
// Accessors
|
|
const std::list<std::pair<Key, KeyModifier> >& getPressedKeys() const;
|
|
const std::list<MouseButton>& getPressedMouseButtons() const;
|
|
glm::dvec2 getMousePosition() const;
|
|
double getMouseScrollDelta() const;
|
|
const std::vector<datamessagestructures::CameraKeyframe>& keyframes() const;
|
|
|
|
bool isKeyPressed(std::pair<Key, KeyModifier> keyModPair) const;
|
|
bool isKeyPressed(Key key) const;
|
|
bool isMouseButtonPressed(MouseButton mouseButton) const;
|
|
private:
|
|
// Input from keyboard and mouse
|
|
std::list<std::pair<Key, KeyModifier> > _keysDown;
|
|
std::list<MouseButton> _mouseButtonsDown;
|
|
glm::dvec2 _mousePosition;
|
|
double _mouseScrollDelta;
|
|
|
|
// Remote input via keyframes
|
|
std::vector<datamessagestructures::CameraKeyframe> _keyframes;
|
|
};
|
|
|
|
|
|
|
|
class InteractionMode
|
|
{
|
|
public:
|
|
InteractionMode();
|
|
~InteractionMode();
|
|
|
|
// Mutators
|
|
virtual void setFocusNode(SceneGraphNode* focusNode);
|
|
|
|
// Accessors
|
|
SceneGraphNode* focusNode();
|
|
Interpolator<double>& rotateToFocusNodeInterpolator();
|
|
|
|
virtual void updateMouseStatesFromInput(const InputState& inputState, double deltaTime) = 0;
|
|
virtual void updateCameraStateFromMouseStates(Camera& camera, double deltaTime) = 0;
|
|
|
|
protected:
|
|
/**
|
|
Inner class that acts as a smoothing filter to a variable. The filter has a step
|
|
response on a form that resembles the function y = 1-e^(-t/scale). The variable
|
|
will be updates as soon as it is set to a value (calling the set() function).
|
|
*/
|
|
template <typename T, typename ScaleType>
|
|
class DelayedVariable {
|
|
public:
|
|
DelayedVariable(ScaleType scaleFactor, ScaleType friction) {
|
|
_scaleFactor = scaleFactor;
|
|
_friction = glm::max(friction, ScaleType(0.0));
|
|
}
|
|
void set(T value, double dt) {
|
|
_targetValue = value;
|
|
_currentValue = _currentValue + (_targetValue - _currentValue) *
|
|
std::min(_scaleFactor * dt, 1.0); // less or equal to 1.0 keeps it stable
|
|
}
|
|
void decelerate(double dt) {
|
|
_currentValue = _currentValue + (- _currentValue) *
|
|
std::min(_scaleFactor * _friction * dt, 1.0); // less or equal to 1.0 keeps it stable
|
|
}
|
|
void setHard(T value) {
|
|
_targetValue = value;
|
|
_currentValue = value;
|
|
}
|
|
void setFriction(ScaleType friction) {
|
|
_friction = glm::max(friction, ScaleType(0.0));
|
|
}
|
|
void setScaleFactor(ScaleType scaleFactor) {
|
|
_scaleFactor = scaleFactor;
|
|
}
|
|
T get() {
|
|
return _currentValue;
|
|
}
|
|
private:
|
|
ScaleType _scaleFactor;
|
|
ScaleType _friction;
|
|
T _targetValue;
|
|
T _currentValue;
|
|
};
|
|
|
|
struct MouseState {
|
|
MouseState(double scaleFactor)
|
|
: velocity(scaleFactor, 1)
|
|
, previousPosition(0.0, 0.0) {}
|
|
void setFriction(double friction) {
|
|
velocity.setFriction(friction);
|
|
}
|
|
void setVelocityScaleFactor(double scaleFactor) {
|
|
velocity.setScaleFactor(scaleFactor);
|
|
}
|
|
glm::dvec2 previousPosition;
|
|
DelayedVariable<glm::dvec2, double> velocity;
|
|
};
|
|
|
|
SceneGraphNode* _focusNode = nullptr;
|
|
glm::dvec3 _previousFocusNodePosition;
|
|
glm::dquat _previousFocusNodeRotation;
|
|
|
|
|
|
Interpolator<double> _rotateToFocusNodeInterpolator;
|
|
};
|
|
|
|
class KeyframeInteractionMode : public InteractionMode
|
|
{
|
|
public:
|
|
KeyframeInteractionMode();
|
|
~KeyframeInteractionMode();
|
|
|
|
virtual void updateMouseStatesFromInput(const InputState& inputState, double deltaTime);
|
|
virtual void updateCameraStateFromMouseStates(Camera& camera, double deltaTime);
|
|
|
|
private:
|
|
std::vector<datamessagestructures::CameraKeyframe> _keyframes;
|
|
double _currentKeyframeTime;
|
|
};
|
|
|
|
class GlobeBrowsingInteractionMode;
|
|
|
|
class OrbitalInteractionMode : public InteractionMode
|
|
{
|
|
public:
|
|
class MouseStates
|
|
{
|
|
public:
|
|
/**
|
|
\param sensitivity
|
|
\param velocityScaleFactor can be set to 60 to remove the inertia of the
|
|
interaction. Lower value will make it harder to move the camera.
|
|
*/
|
|
MouseStates(double sensitivity, double velocityScaleFactor);
|
|
void updateMouseStatesFromInput(const InputState& inputState, double deltaTime);
|
|
void setRotationalFriction(double friction);
|
|
void setHorizontalFriction(double friction);
|
|
void setVerticalFriction(double friction);
|
|
void setSensitivity(double sensitivity);
|
|
void setVelocityScaleFactor(double scaleFactor);
|
|
|
|
glm::dvec2 synchedGlobalRotationMouseVelocity();
|
|
glm::dvec2 synchedLocalRotationMouseVelocity();
|
|
glm::dvec2 synchedTruckMovementMouseVelocity();
|
|
glm::dvec2 synchedLocalRollMouseVelocity();
|
|
glm::dvec2 synchedGlobalRollMouseVelocity();
|
|
|
|
private:
|
|
double _sensitivity;
|
|
|
|
MouseState _globalRotationMouseState;
|
|
MouseState _localRotationMouseState;
|
|
MouseState _truckMovementMouseState;
|
|
MouseState _localRollMouseState;
|
|
MouseState _globalRollMouseState;
|
|
};
|
|
|
|
OrbitalInteractionMode(std::shared_ptr<MouseStates> mouseStates);
|
|
~OrbitalInteractionMode();
|
|
|
|
//virtual void update(Camera& camera, const InputState& inputState, double deltaTime);
|
|
|
|
virtual void updateMouseStatesFromInput(const InputState& inputState, double deltaTime);
|
|
virtual void updateCameraStateFromMouseStates(Camera& camera, double deltaTime);
|
|
|
|
protected:
|
|
//void updateCameraStateFromMouseStates(Camera& camera, double deltaTime);
|
|
std::shared_ptr<MouseStates> _mouseStates;
|
|
};
|
|
|
|
class GlobeBrowsingInteractionMode : public OrbitalInteractionMode
|
|
{
|
|
public:
|
|
GlobeBrowsingInteractionMode(std::shared_ptr<MouseStates> mouseStates);
|
|
~GlobeBrowsingInteractionMode();
|
|
|
|
virtual void setFocusNode(SceneGraphNode* focusNode);
|
|
//virtual void update(Camera& camera, const InputState& inputState, double deltaTime);
|
|
virtual void updateCameraStateFromMouseStates(Camera& camera, double deltaTime);
|
|
#ifdef OPENSPACE_MODULE_GLOBEBROWSING_ENABLED
|
|
void goToChunk(Camera& camera, globebrowsing::TileIndex ti, glm::vec2 uv,
|
|
bool resetCameraDirection);
|
|
void goToGeodetic2(Camera& camera, globebrowsing::Geodetic2 geo2,
|
|
bool resetCameraDirection);
|
|
|
|
void goToGeodetic3(Camera& camera, globebrowsing::Geodetic3 geo3);
|
|
void resetCameraDirection(Camera& camera, globebrowsing::Geodetic2 geo2);
|
|
#endif
|
|
private:
|
|
//void updateCameraStateFromMouseStates(Camera& camera, double deltaTime);
|
|
#ifdef OPENSPACE_MODULE_GLOBEBROWSING_ENABLED
|
|
globebrowsing::RenderableGlobe* _globe;
|
|
#endif
|
|
};
|
|
|
|
} // namespace interaction
|
|
} // namespace openspace
|
|
|
|
#endif // __OPENSPACE_CORE___INTERACTIONMODE___H__
|