core/GameState.h

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// /////////////////////////////////////////////////////////////////////////////
//
// Name:            GameState.h
// Author:          Michael Bartsch (ZCCdark203)
//
// Desc :           Declaration of the GameState 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 __GAMESTATE_H__
#define __GAMESTATE_H__

// Include files
#include "GameManager.h"

// Forward declarations
class GameManager;


// GameState class
class GameState
{
    friend class ScriptedGameState;

public:

    // Initialisation, deinitialisation and control...
    GameState();
    virtual ~GameState();

    virtual void init();
    virtual void clear();

    virtual void update(f32 deltaTime);
    virtual void render();

    // AngelScript binding
    static GameState* refFactory();
    void refAdd();
    void refRelease();

    // Public functions
    const Entity* getBaseEntity() const;

    // Event functions
    void onUpdate(f32 deltaTime);
    void onRender();
    void onPause();
    void onUnPause();

protected:

    // Protected members
    Entity *mBaseEntity;

private:

    // Static members
    static u32 mIDCount;

    // Angelscript members
    s32 mRefCount;

    // Private members
    u32 mID;
    std::string mEventGroup;
};


// ScriptedGameState class
class ScriptedGameState : public GameState
{
public:

    // Initialisation, deinitialisation and control...
    ScriptedGameState(asIScriptObject *object);
    virtual ~ScriptedGameState();

    void init();
    void clear();

    void update(f32 deltaTime);
    void render();

private:

    // Private members
    asIScriptObject *mObject;
    asIScriptContext *mContext;

};


// GameState Angelscript binding.
extern void bindGameState(asIScriptEngine *engine);

#endif

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