IComponent.h

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/*
    Author : Tobias Stein
    Date   : 3rd July, 2016
    File   : IComponent.h
    
    Interface class for component class
 
    All Rights Reserved. (c) Copyright 2016.
*/
 
#pragma once
#ifndef ECS__I_COMPONENT_H__
#define ECS__I_COMPONENT_H__
 
#include "IEntity.h"
 
namespace ECS
{
    struct CustomEvent;
 
    using ComponentId       = ObjectID;
    using ComponentTypeId   = TypeID;
 
    static const ComponentId INVALID_COMPONENT_ID = INVALID_OBJECT_ID;
 
    template<class T>
    class Component;
 
    class ECS_API IComponent
    {
        friend class ComponentManager;
 
    protected:
        
        ComponentId     m_HashValue;
 
        ComponentId     m_ComponentID;
 
        EntityId        m_Owner;
 
        bool            m_Enabled;
 
    public:
 
        IComponent();
 
        virtual ~IComponent();
 
 
        // COMPARE
        inline bool operator==(const IComponent& other) const { return m_HashValue == other.m_HashValue; }
        inline bool operator!=(const IComponent& other) const { return m_HashValue == other.m_HashValue; }
        
 
        // ACCESSOR
 
        inline ComponentId GetComponentId() const { return this->m_ComponentID; }
 
        inline EntityId GetOwner() const { return this->m_Owner; }
 
        inline void SetActive(bool state) { this->m_Enabled = state; }
        inline bool IsActive() const { return this->m_Enabled; }
 
        virtual void OnData(const CustomEvent& data) = 0;
    };
}
 
#endif // ECS__I_COMPONENT_H__