/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * This file is based on WME.
 * http://dead-code.org/redir.php?target=wme
 * Copyright (c) 2003-2013 Jan Nedoma and contributors
 */

#include "engines/wintermute/base/base_game.h"
#include "engines/wintermute/base/base_sprite.h"
#include "engines/wintermute/base/base_surface_storage.h"
#include "engines/wintermute/base/gfx/base_surface.h"
#include "engines/wintermute/base/gfx/xmaterial.h"
#include "engines/wintermute/base/gfx/3deffect.h"
#include "engines/wintermute/base/gfx/xfile_loader.h"
#include "engines/wintermute/dcgf.h"
#include "engines/wintermute/utils/path_util.h"
#include "engines/wintermute/utils/utils.h"
#include "engines/wintermute/video/video_theora_player.h"

namespace Wintermute {

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////
Material::Material(BaseGame *inGame) : BaseNamedObject(inGame) {
	memset(&_material, 0, sizeof(_material));
	_textureFilename = nullptr;
	_surface = nullptr;
	_ownedSurface = false;
	_sprite = nullptr;
	_theora = nullptr;
	_effect = nullptr;
	_params = nullptr;
}

//////////////////////////////////////////////////////////////////////////
Material::~Material() {
	SAFE_DELETE_ARRAY(_textureFilename);
	if (_surface && _ownedSurface) {
		_game->_surfaceStorage->removeSurface(_surface);
	}

	_sprite = nullptr; // ref only
	_theora = nullptr;
	_effect = nullptr;
	_params = nullptr;
}

//////////////////////////////////////////////////////////////////////////
bool Material::invalidateDeviceObjects() {
	if (_effect)
		return _effect->invalidateDeviceObjects();
	return true;
}

//////////////////////////////////////////////////////////////////////////
bool Material::restoreDeviceObjects() {
	if (_effect)
		return _effect->restoreDeviceObjects();
	return true;
}

//////////////////////////////////////////////////////////////////////////
bool Material::setTexture(const char *filename, bool adoptName) {
	if (adoptName) {
		setName(PathUtil::getFileNameWithoutExtension(filename).c_str());
	}

	BaseUtils::setString(&_textureFilename, filename);

	if (_surface && _ownedSurface) {
		_game->_surfaceStorage->removeSurface(_surface);
	}

	_surface = _game->_surfaceStorage->addSurface(_textureFilename, false);
	_ownedSurface = true;
	_sprite = nullptr;

	return _surface != nullptr;
}

//////////////////////////////////////////////////////////////////////////
bool Material::setSprite(BaseSprite *sprite, bool adoptName) {
	if (adoptName) {
		setName(PathUtil::getFileNameWithoutExtension(sprite->_filename).c_str());
	}

	BaseUtils::setString(&_textureFilename, sprite->_filename);
	if (_surface && _ownedSurface) {
		_game->_surfaceStorage->removeSurface(_surface);
	}

	_surface = nullptr;

	_sprite = sprite;
	_ownedSurface = false;
	_theora = nullptr;

	return true;
}

//////////////////////////////////////////////////////////////////////////
bool Material::setTheora(VideoTheoraPlayer *theora, bool adoptName) {
	if (adoptName) {
		setName(PathUtil::getFileNameWithoutExtension(theora->_filename).c_str());
	}
	BaseUtils::setString(&_textureFilename, theora->_filename.c_str());

	if (_surface && _ownedSurface) {
		_game->_surfaceStorage->removeSurface(_surface);
	}

	_surface = nullptr;

	_theora = theora;
	_ownedSurface = false;

	return true;
}

//////////////////////////////////////////////////////////////////////////
bool Material::setEffect(Effect3D *effect, Effect3DParams *params, bool adoptName) {
	if (!effect) {
		_effect = nullptr;
		_params = nullptr;
		return true;
	}

	if (adoptName) {
		setName(PathUtil::getFileNameWithoutExtension(effect->getFileName()).c_str());
	}
	BaseUtils::setString(&_textureFilename, effect->getFileName());

	_effect = effect;
	_params = params;

	return true;
}

//////////////////////////////////////////////////////////////////////////
BaseSurface *Material::getSurface() {
	if (_theora) {
		_theora->update();
		return _theora->getTexture();
	} else if (_sprite) {
		_sprite->getCurrentFrame();
		return _sprite->getSurface();
	} else {
		return _surface;
	}
}

} // namespace Wintermute