firstpersoncontroller.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
#pragma once
 
#include <component.h>
#include <componentptr.h>
#include "perspcameracomponent.h"
#include <glm/gtx/quaternion.hpp>
 
namespace nap
{
    class FirstPersonControllerInstance;
    class KeyPressEvent;
    class KeyReleaseEvent;
    class PointerMoveEvent;
    class PointerPressEvent;
    class PointerReleaseEvent;
    class TransformComponentInstance;
    class TransformComponent;
    class KeyInputComponent;
    class KeyInputComponent;
 
    class NAPAPI FirstPersonController : public Component
    {
        RTTI_ENABLE(Component)
        DECLARE_COMPONENT(FirstPersonController, FirstPersonControllerInstance)
    public:
        virtual void getDependentComponents(std::vector<rtti::TypeInfo>& components) const override;
 
        float mMovementSpeed    = 3.0f;     
        float mRotateSpeed      = 1.0f;     
 
        ComponentPtr<nap::PerspCameraComponent> mPerspCameraComponent;      
    };
 
 
    class NAPAPI FirstPersonControllerInstance : public ComponentInstance
    {
        RTTI_ENABLE(ComponentInstance)
    public:
        FirstPersonControllerInstance(EntityInstance& entity, Component& resource);
 
        virtual bool init(utility::ErrorState& errorState) override;
 
        virtual void update(double deltaTime) override;
 
        void enable(const glm::vec3& translate, const glm::quat& rotate);
 
        void enable();
 
        void disable() { mEnabled = false; }
 
        CameraComponentInstance& getCameraComponent();
 
        float getMovementSpeed() const                          { return mMovementSpeed; }
 
        void setMovementSpeed(float speed)                      { mMovementSpeed = speed; }
 
        float getRotationSpeed() const                          { return mRotateSpeed; }
 
        void setRotationSpeed(float speed)                      { mRotateSpeed = speed; }
 
    private:
        void onKeyPress(const KeyPressEvent& keyPressEvent);
 
        void onKeyRelease(const KeyReleaseEvent& keyReleaseEvent);
 
        void onMouseDown(const PointerPressEvent& pointerPressEvent);
 
        void onMouseUp(const PointerReleaseEvent& pointerReleaseEvent);
 
        void onMouseMove(const PointerMoveEvent& pointerMoveEvent);
 
    private:
        ComponentInstancePtr<PerspCameraComponent> mPerspCameraComponent = { this, &FirstPersonController::mPerspCameraComponent };
 
        TransformComponentInstance*     mTransformComponent = nullptr;      // The transform component used to move the entity
        bool                            mMoveForward        = false;        // Whether we're moving forward
        bool                            mMoveBackward       = false;        // Whether we're moving backwards
        bool                            mMoveLeft           = false;        // Whether we're moving left
        bool                            mMoveRight          = false;        // Whether we're moving right
        bool                            mMoveUp             = false;        // Whether we're moving up
        bool                            mMoveDown           = false;        // Whether we're moving down
        bool                            mEnabled            = true;         // Set if enable() is called
        bool                            mMoving             = false;        // Set if left mouse button is held
        float                           mMovementSpeed      = 1.0f;         // Movement Speed
        float                           mRotateSpeed        = 1.0f;         // Rotate Speed
    };
 
}