core/Entity.h

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// /////////////////////////////////////////////////////////////////////////////
//
// Name:            Entity.h
// Author:          Michael Bartsch (ZCCdark203)
//
// Desc :           Declaration of the Entity class.
//
// License:         Copyright (C) 2009 Michael Bartsch and Contributors
//
//                  This program is free software: you can redistribute it
//                  and/or modify it under the terms of the zlib/libpng License.
//                  See main.cpp for conditions of distribution and use.
//
// /////////////////////////////////////////////////////////////////////////////

#ifndef __ENTITY_H__
#define __ENTITY_H__

// Include files
#include "../dependencies.h"
#include "EntityComponent.h"

// Forward declarations
class EntityComponent;


// Entity class
class Entity : public sigslot::has_slots<>
{
public:

    // Initialisation and deinitialisation
    Entity(const std::string &name, Entity *parent = NULL);
    ~Entity();

    // AngelScript binding
    static Entity* refFactory(const std::string &name);
    void refAdd();
    void refRelease();

    // Methods
    u32 getID() const;
    const std::string& getName() const;

    bool addComponent(EntityComponent *component);

    Entity* getChild(const u32 id);
    Entity* getChild(const std::string &name);
    EntityComponent* getComponent(const u32 id);
    EntityComponent* getComponent(const std::string &name);

    Entity *getParent() const;

    const vector3df& getPosition() const;

    void removeAllChildren();
    void removeAllComponents();
    bool removeChild(Entity *entity);
    bool removeChild(const u32 id);
    bool removeChild(const std::string &name);
    bool removeComponent(EntityComponent *component);
    bool removeComponent(const u32 id);
    bool removeComponent(const std::string &name);

    void setPosition(const vector3df &position);

    // Events
    void onPositionChange(void *p);
    void onUpdate(void *p);
    void onRender(void *p);
    void onPause(void *p);
    void onUnPause(void *p);

private:

    // Private methods
    bool addChild(Entity *entity);

    // Static members
    static u32 mIDCount;

    // Angelscript members
    s32 mRefCount;

    // Normal members
    Entity *pParent;

    u32 mID;
    std::string mName;

    vector3df mPosition;

    vector<Entity*> mChildren;
    vector<EntityComponent*> mComponents;
};


// Entity Angelscript binding.
extern void bindEntity(asIScriptEngine *engine);

#endif

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