VehicleController.h

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// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
// SPDX-License-Identifier: MIT
 
#pragma once
 
#include <Jolt/Physics/Vehicle/VehicleConstraint.h>
#include <Jolt/ObjectStream/SerializableObject.h>
#include <Jolt/Core/StreamIn.h>
#include <Jolt/Core/StreamOut.h>
 
JPH_NAMESPACE_BEGIN
 
class VehicleController;
 
class VehicleControllerSettings : public SerializableObject, public RefTarget<VehicleControllerSettings>
{
public:
    JPH_DECLARE_SERIALIZABLE_ABSTRACT(VehicleControllerSettings)
 
    
    virtual void                SaveBinaryState(StreamOut &inStream) const = 0;
 
    virtual void                RestoreBinaryState(StreamIn &inStream) = 0;
 
    virtual VehicleController * ConstructController(VehicleConstraint &inConstraint) const = 0;
};
 
class VehicleController : public RefTarget<VehicleController>
{
public:
    JPH_OVERRIDE_NEW_DELETE
 
    explicit                    VehicleController(VehicleConstraint &inConstraint) : mConstraint(inConstraint) { }
    virtual                     ~VehicleController() = default;
 
protected:
    // The functions below are only for the VehicleConstraint
    friend class VehicleConstraint;
 
    // Create a new instance of wheel
    virtual Wheel *             ConstructWheel(const WheelSettings &inWheel) const = 0;
 
    // If the vehicle is allowed to go to sleep
    virtual bool                AllowSleep() const = 0;
 
    // Called before the wheel probes have been done
    virtual void                PreCollide(float inDeltaTime, PhysicsSystem &inPhysicsSystem) = 0;
 
    // Called after the wheel probes have been done
    virtual void                PostCollide(float inDeltaTime, PhysicsSystem &inPhysicsSystem) = 0;
 
    // Solve longitudinal and lateral constraint parts for all of the wheels
    virtual bool                SolveLongitudinalAndLateralConstraints(float inDeltaTime) = 0;
 
    // Saving state for replay
    virtual void                SaveState(StateRecorder &inStream) const = 0;
    virtual void                RestoreState(StateRecorder &inStream) = 0;
 
#ifdef JPH_DEBUG_RENDERER
    // Drawing interface
    virtual void                Draw(DebugRenderer *inRenderer) const = 0;
#endif // JPH_DEBUG_RENDERER
 
    VehicleConstraint &         mConstraint;                                
};
 
JPH_NAMESPACE_END