scummvm/engines/hugo/file_v1d.cpp
2011-05-12 01:16:22 +02:00

132 lines
3.7 KiB
C++

/* 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.
*
*/
/*
* This code is based on original Hugo Trilogy source code
*
* Copyright (c) 1989-1995 David P. Gray
*
*/
#include "common/debug.h"
#include "common/system.h"
#include "common/textconsole.h"
#include "hugo/hugo.h"
#include "hugo/file.h"
#include "hugo/display.h"
#include "hugo/text.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");
}
/**
* Open and read in an overlay file, close file
*/
void FileManager_v1d::readOverlay(const int screenNum, image_pt image, const ovl_t overlayType) {
debugC(1, kDebugFile, "readOverlay(%d, ...)", screenNum);
const char *ovl_ext[] = {".b", ".o", ".ob"};
Common::String buf = Common::String(_vm->_text->getScreenNames(screenNum)) + Common::String(ovl_ext[overlayType]);
if (!Common::File::exists(buf)) {
memset(image, 0, sizeof(image));
warning("File not found: %s", buf.c_str());
return;
}
if (!_sceneryArchive1.open(buf))
error("File not found: %s", buf.c_str());
image_pt tmpImage = image; // temp ptr to overlay file
_sceneryArchive1.read(tmpImage, kOvlSize);
_sceneryArchive1.close();
}
/**
* Read a PCX image into dib_a
*/
void FileManager_v1d::readBackground(const int screenIndex) {
debugC(1, kDebugFile, "readBackground(%d)", screenIndex);
Common::String buf;
buf = Common::String(_vm->_text->getScreenNames(screenIndex)) + ".ART";
if (!_sceneryArchive1.open(buf))
error("File not found: %s", buf.c_str());
// Read the image into dummy seq and static dib_a
seq_t *dummySeq; // Image sequence structure for Read_pcx
dummySeq = readPCX(_sceneryArchive1, 0, _vm->_screen->getFrontBuffer(), true, _vm->_text->getScreenNames(screenIndex));
free(dummySeq);
_sceneryArchive1.close();
}
const char *FileManager_v1d::fetchString(const int index) {
debugC(1, kDebugFile, "fetchString(%d)", index);
return _vm->_text->getStringtData(index);
}
/**
* Simple instructions given when F1 pressed twice in a row
* Only in DOS versions
*/
void FileManager_v1d::instructions() const {
Common::File f;
if (!f.open("help.dat")) {
warning("help.dat not found");
return;
}
char readBuf[2];
while (f.read(readBuf, 1)) {
char line[1024], *wrkLine;
wrkLine = line;
wrkLine[0] = readBuf[0];
wrkLine++;
do {
f.read(wrkLine, 1);
} while (*wrkLine++ != '#'); // '#' is EOP
wrkLine[-2] = '\0'; // Remove EOP and previous CR
Utils::notifyBox(line);
wrkLine = line;
f.read(readBuf, 2); // Remove CRLF after EOP
}
f.close();
}
} // End of namespace Hugo