DOOM-3-BFG/neo/renderer/ModelManager.h

/*
===========================================================================

Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 

This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  

Doom 3 BFG Edition Source Code 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 3 of the License, or
(at your option) any later version.

Doom 3 BFG Edition Source Code 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 Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/

#ifndef __MODELMANAGER_H__
#define __MODELMANAGER_H__

/*
===============================================================================

	Model Manager

	Temporarily created models do not need to be added to the model manager.

===============================================================================
*/

class idRenderModelManager {
public:
	virtual					~idRenderModelManager() {}

	// registers console commands and clears the list
	virtual	void			Init() = 0;

	// frees all the models
	virtual	void			Shutdown() = 0;

	// called only by renderer::BeginLevelLoad
	virtual void			BeginLevelLoad() = 0;

	// called only by renderer::EndLevelLoad
	virtual void			EndLevelLoad() = 0;

	// called only by renderer::Preload
	virtual void			Preload( const idPreloadManifest &manifest ) = 0;

	// allocates a new empty render model.
	virtual idRenderModel *	AllocModel() = 0;

	// frees a render model
	virtual void			FreeModel( idRenderModel *model ) = 0;

	// returns NULL if modelName is NULL or an empty string, otherwise
	// it will create a default model if not loadable
	virtual	idRenderModel *	FindModel( const char *modelName ) = 0;

	// returns NULL if not loadable
	virtual	idRenderModel *	CheckModel( const char *modelName ) = 0;

	// returns the default cube model
	virtual	idRenderModel *	DefaultModel() = 0;

	// world map parsing will add all the inline models with this call
	virtual	void			AddModel( idRenderModel *model ) = 0;

	// when a world map unloads, it removes its internal models from the list
	// before freeing them.
	// There may be an issue with multiple renderWorlds that share data...
	virtual	void			RemoveModel( idRenderModel *model ) = 0;

	// the reloadModels console command calls this, but it can
	// also be explicitly invoked
	virtual	void			ReloadModels( bool forceAll = false ) = 0;

	// write "touchModel <model>" commands for each non-world-map model
	virtual	void			WritePrecacheCommands( idFile *f ) = 0;

	// called during vid_restart
	virtual	void			FreeModelVertexCaches() = 0;

	// print memory info
	virtual	void			PrintMemInfo( MemInfo_t *mi ) = 0;
};

// this will be statically pointed at a private implementation
extern	idRenderModelManager	*renderModelManager;

#endif /* !__MODELMANAGER_H__ */