Component.h

// Copyright (c) 2016-2018 Kiwano - Nomango
//
// 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.
 
#pragma once
#include <kiwano/core/Time.h>
#include <kiwano/base/ObjectBase.h>
#include <kiwano/render/RenderContext.h>
 
namespace kiwano
{
 
class Actor;
class Event;
class ComponentManager;
 
class KGE_API Component : public ObjectBase
{
    friend class ComponentManager;
 
public:
    bool IsEnable() const;
 
    void SetEnabled(bool enabled);
 
    Actor* GetBoundActor() const;
 
    void RemoveFromActor();
 
protected:
    Component();
 
    virtual ~Component();
 
    virtual void InitComponent(Actor* actor);
 
    virtual void DestroyComponent();
 
    virtual void OnUpdate(Duration dt);
 
    virtual void OnRender(RenderContext& ctx);
 
    virtual void HandleEvent(Event* evt);
 
private:
    bool   enabled_;
    Actor* actor_;
};
 
inline bool Component::IsEnable() const
{
    return enabled_;
}
 
inline void Component::SetEnabled(bool enabled)
{
    enabled_ = enabled;
}
 
inline Actor* Component::GetBoundActor() const
{
    return actor_;
}
 
inline void Component::OnUpdate(Duration dt)
{
    KGE_NOT_USED(dt);
}
 
inline void Component::OnRender(RenderContext& ctx)
{
    KGE_NOT_USED(ctx);
}
 
inline void Component::HandleEvent(Event* evt)
{
    KGE_NOT_USED(evt);
}
 
}  // namespace kiwano