CollisionComponent.hpp

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#pragma once
#include "Engine/Components/Component.hpp"
#include "Engine/Collision/CollisionTypes.hpp"

#include <ThirdParty/Box2D/Box2D/Box2D.h>
#include <ThirdParty/glm/glm/detail/type_vec2.hpp>
#include <ThirdParty/EASTL-master/include/EASTL/shared_ptr.h>

namespace Engine
{
    class TransformComponent;

    class ENGINE_API CollisionComponent : public Component
    {
        // Shortcuts
        typedef eastl::shared_ptr<CollisionComponent> CollPtr;
        friend class CollisionSystem;

        CollisionComponent();
        CollisionComponent(CollisionComponent& collisionComponent);
        CollisionComponent(CollisionShapeType objectType, b2BodyType bodyType);

        void InitializeComponent() override;

        ~CollisionComponent();

        void OnComponentAdded(eastl::weak_ptr<Component> addedComponent) override;
        void OnComponentRemoved(eastl::weak_ptr<Component> removedComponent) override;

        eastl::weak_ptr<TransformComponent> GetTransformComponent() const;

        public:
        // Type
        void SetBodyType(b2BodyType bodyType);

        b2BodyType GetBodyType() const;

        // Shapes
        void SetCircle(const float radius);

        float GetCircleRadius() const;

        void SetAABB(const float sizeX, const float sizeY);

        void SetAABB(const glm::vec2& size);

        glm::vec2 GetAABBSize() const;

        CollisionShapeType GetCollisionShapeType() const;

        // Layers
        void SetCollisionLayer(CollisionLayer layer);

        CollisionLayer GetCollisionLayer() const;

        void SetDetectionLayers(CollisionLayer layers);

        CollisionLayer GetDetectionLayers() const;

        void SetIsSensor(bool isSensor);

        bool GetIsSensor() const;
        template <typename archive>
        void SaveComponent(archive ar);

        template<typename archive>
        void LoadComponent(archive ar);
    private:
        // Body Construction Data
        b2BodyDef bodyDef;          
        b2FixtureDef fixtureDef;        
        b2CircleShape circleShape;      
        b2PolygonShape boxShape;            
        // Body Data
        b2Body* body;               
        CollisionShapeType shapeType;           
        b2Vec2 boxSize;         

        eastl::weak_ptr<TransformComponent> transformComponent;
    };
}