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https://github.com/libretro/scummvm.git
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058592794f
The game is completable but 3 arcade sequences at the end of Minotaur, Medusa and Troy quests. Probably full of bugs but I already publish it for consideration
125 lines
3.3 KiB
C++
125 lines
3.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright 2020 Google
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*
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*/
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#include "common/debug.h"
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#include "common/file.h"
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#include "common/memstream.h"
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#include "hadesch/hadesch.h"
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#include "hadesch/pod_file.h"
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namespace Hadesch {
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PodFile::PodFile(const Common::String &debugName) {
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_debugName = debugName;
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}
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Common::String PodFile::getDebugName() const {
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return _debugName;
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}
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bool PodFile::openStore(const Common::SharedPtr<Common::SeekableReadStream> &parentStream) {
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byte buf[16];
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if (!parentStream) {
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return false;
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}
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if (parentStream->read(buf, 12) != 12) {
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return false;
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}
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if (memcmp(buf, "Pod File\0\0\0\0", 12) != 0 &&
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memcmp(buf, "Pod\0file\0\0\0\0", 12) != 0 &&
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memcmp(buf, "Pod\0\0\0\0\0\0\0\0\0", 12) != 0) {
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return false;
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}
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const uint32 numFiles = parentStream->readUint32LE();
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uint32 offset = 16 + 16 * numFiles;
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_descriptions.resize(numFiles);
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for (uint i = 0; i < _descriptions.size(); ++i) {
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parentStream->read(buf, 12);
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buf[12] = '\0';
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const uint32 size = parentStream->readUint32LE();
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_descriptions[i].name = (const char *) buf;
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_descriptions[i].offset = offset;
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_descriptions[i].size = size;
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offset += size;
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}
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_file = parentStream;
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return true;
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}
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bool PodFile::openStore(const Common::String &name) {
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Common::SharedPtr<Common::File> file(new Common::File());
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if (name.empty() || !file->open(name)) {
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return false;
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}
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return openStore(file);
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}
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// It's tempting to use substream but substream is not thread safe
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Common::SeekableReadStream *memSubstream(Common::SharedPtr<Common::SeekableReadStream> file,
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uint32 offset, uint32 size) {
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byte *contents = (byte *) malloc(size);
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if (!contents)
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return nullptr;
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file->seek(offset);
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file->read(contents, size);
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return new Common::MemoryReadStream(contents, size, DisposeAfterUse::YES);
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}
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Common::SeekableReadStream *PodFile::getFileStream(const Common::String &name) const {
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for (uint j = 0; j < _descriptions.size(); ++j) {
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const Description &desc = _descriptions[j];
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if (desc.name.compareToIgnoreCase(name) == 0) {
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return memSubstream(
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_file, desc.offset, desc.size);
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}
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}
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debugC(kHadeschDebugResources, "PodFile: %s not found", name.c_str());
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return nullptr;
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}
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Common::Array <PodImage> PodFile::loadImageArray() const {
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Common::Array <PodImage> pis;
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for (int idx = 1; ; idx++) {
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PodImage pi;
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if (!pi.loadImage(*this, idx)) {
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break;
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}
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pis.push_back(pi);
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}
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return pis;
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}
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} // End of namespace Hadesch
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