scripting/ScriptManager.h

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

// Include files
#include "../dependencies.h"
#include "scriptstring.h" // Standard Angelscript add-on.

#include "Script.h"

// Forward declarations.
class Script;


// ScriptManager class
class ScriptManager
{
    friend class Script;

public:

    // Initialisation and deinitialisation
    ScriptManager();
    ~ScriptManager();

    void init();
    void clear();

    // AngelScript binding
    void refAdd();
    void refRelease();

    // Methods
    asIScriptEngine* getEngine() const;

    bool addScript(Script *script);

    bool addScriptSection(const std::string &name, const std::string &section);

    Script* createScript(const std::string &name);
    Script* createScriptFromFile(const std::string &fileName);

    Script* getScript(const u32 id);
    Script* getScript(const std::string &name);

    void removeAllScripts();
    void removeAllScriptSections();
    bool removeScript(Script *script);
    bool removeScript(const u32 id);
    bool removeScript(const std::string &name);
    bool removeScriptSection(const std::string &name);

private:

    // Private methods.
    void addScriptSectionsToScript(Script *script);

    // Private members
    asIScriptEngine *pEngine;

    std::vector<Script*> mScripts;
    std::map<std::string, std::string> mScriptSections;
};


// ScriptManager Angelscript binding.
extern void bindScriptManager(asIScriptEngine *engine);


// AngelScript functions
extern void MessageCallback(const asSMessageInfo *msg, void *param);

template<typename A, typename B>
B* asRefCast(A* a)
{
    // If the handle already is a null handle, then just return the null handle
    if( !a ) return 0;

    // Now try to dynamically cast the pointer to the wanted type
    B* b = dynamic_cast<B*>(a);
    if( b == 0 )
    {
        // Since the cast couldn't be made, we need to release the handle we received
        a->refRelease();
    }
    return b;
}


#endif

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