/*
   Copyright (C) 1999-2006 Id Software, Inc. and contributors.
   For a list of contributors, see the accompanying CONTRIBUTORS file.

   This file is part of GtkRadiant.

   GtkRadiant is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   GtkRadiant is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GtkRadiant; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

/// \file ieclass.h
/// \brief Entity Class definition loader API.


#if !defined( INCLUDED_IECLASS_H )
#define INCLUDED_IECLASS_H

#include "generic/constant.h"

#define MAX_FLAGS   16

// eclass show flags

#define     ECLASS_LIGHT      0x00000001
#define     ECLASS_ANGLE      0x00000002
#define     ECLASS_PATH       0x00000004
#define     ECLASS_MISCMODEL  0x00000008

class Shader;

class EntityClass;
class ListAttributeType;

class EntityClassCollector
{
public:
virtual void insert( EntityClass* eclass ) = 0;
virtual void insert( const char* name, const ListAttributeType& list ){
}
};

struct EntityClassScanner
{
	INTEGER_CONSTANT( Version, 1 );
	STRING_CONSTANT( Name, "eclass" );

	void ( *scanFile )( EntityClassCollector& collector, const char* filename );
	const char* ( *getExtension )( );
};

#include "modulesystem.h"

template<typename Type>
class ModuleRef;
typedef ModuleRef<EntityClassScanner> EClassModuleRef;

template<typename Type>
class Modules;
typedef Modules<EntityClassScanner> EClassModules;

template<typename Type>
class ModulesRef;
typedef ModulesRef<EntityClassScanner> EClassModulesRef;






class EntityClassVisitor
{
public:
virtual void visit( EntityClass* eclass ) = 0;
};

class ModuleObserver;


struct EntityClassManager
{
	INTEGER_CONSTANT( Version, 1 );
	STRING_CONSTANT( Name, "eclassmanager" );

	EntityClass* ( *findOrInsert )( const char* name, bool has_brushes );
	const ListAttributeType* ( *findListType )(const char* name);
	void ( *forEach )( EntityClassVisitor& visitor );
	void ( *attach )( ModuleObserver& observer );
	void ( *detach )( ModuleObserver& observer );
	void ( *realise )();
	void ( *unrealise )();
};

template<typename Type>
class GlobalModule;
typedef GlobalModule<EntityClassManager> GlobalEntityClassManagerModule;

template<typename Type>
class GlobalModuleRef;
typedef GlobalModuleRef<EntityClassManager> GlobalEntityClassManagerModuleRef;

inline EntityClassManager& GlobalEntityClassManager(){
	return GlobalEntityClassManagerModule::getTable();
}

#endif
