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/* 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 *
 */

/*
 * This code is based on original Hugo Trilogy source code
 *
 * Copyright (c) 1989-1995 David P. Gray
 *
 */

#include "common/system.h"

#include "hugo/hugo.h"
#include "hugo/file.h"
#include "hugo/display.h"
#include "hugo/util.h"

namespace Hugo {
FileManager_v1d::FileManager_v1d(HugoEngine *vm) : FileManager(vm) {
}

FileManager_v1d::~FileManager_v1d() {
}

void FileManager_v1d::openDatabaseFiles() {
	debugC(1, kDebugFile, "openDatabaseFiles");
}

void FileManager_v1d::closeDatabaseFiles() {
	debugC(1, kDebugFile, "closeDatabaseFiles");
}

void FileManager_v1d::readOverlay(int screenNum, image_pt image, ovl_t overlayType) {
// Open and read in an overlay file, close file
	debugC(1, kDebugFile, "readOverlay(%d, ...)", screenNum);

	const char *ovl_ext[] = {".b", ".o", ".ob"};
	char *buf = (char *) malloc(2048 + 1);          // Buffer for file access

	strcat(strcpy(buf, _vm->_screenNames[screenNum]), ovl_ext[overlayType]);

	if (!fileExists(buf)) {
		for (uint32 i = 0; i < OVL_SIZE; i++)
			image[i] = 0;
		return;
	}

	if (!_sceneryArchive1.open(buf))
		Utils::Error(FILE_ERR, "%s", buf);

	image_pt tmpImage = image;                      // temp ptr to overlay file

	_sceneryArchive1.read(tmpImage, OVL_SIZE);
	_sceneryArchive1.close();
}

void FileManager_v1d::readBackground(int screenIndex) {
// Read a PCX image into dib_a
	debugC(1, kDebugFile, "readBackground(%d)", screenIndex);

	char *buf = (char *) malloc(2048 + 1);          // Buffer for file access
	strcat(strcpy(buf, _vm->_screenNames[screenIndex]), ".ART");
	if (!_sceneryArchive1.open(buf))
		Utils::Error(FILE_ERR, "%s", buf);
	// Read the image into dummy seq and static dib_a
	seq_t dummySeq;                                 // Image sequence structure for Read_pcx
	readPCX(_sceneryArchive1, &dummySeq, _vm->_screen->getFrontBuffer(), true, _vm->_screenNames[screenIndex]);

	_sceneryArchive1.close();
}

char *FileManager_v1d::fetchString(int index) {
	debugC(1, kDebugFile, "fetchString(%d)", index);

	return _vm->_stringtData[index];
}

} // End of namespace Hugo