Initial commit

backends/fs/atari/atari-fs-factory.cpp

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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 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/>.
+ *
+ */
+
+// Disable symbol overrides so that we can use system headers.
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+
+#include "backends/fs/atari/atari-fs-factory.h"
+#include "backends/fs/atari/atari-fs.h"
+
+#include <mint/osbind.h>
+#include <unistd.h>	// getcwd
+
+AtariFilesystemFactory::AtariFilesystemFactory() {
+	_fileHashMap["cryomni3.dat"] = "cryomni3d.dat";
+	_fileHashMap["neverhoo.dat"] = "neverhood.dat";
+	_fileHashMap["supernov.dat"] = "supernova.dat";
+	_fileHashMap["teenagen.dat"] = "teenagent.dat";
+
+	uint32 drvMap = Drvmap();
+	for (int i = 0; i < 26; i++) {
+		if (drvMap & 1) {
+			char driveRoot[] = "A:";
+			driveRoot[0] += i;
+
+			addDrive(driveRoot);
+		}
+
+		drvMap >>= 1;
+	}
+}
+
+AbstractFSNode *AtariFilesystemFactory::makeRootFileNode() const {
+	return new AtariFilesystemNode(_config, _fileHashMap);
+}
+
+AbstractFSNode *AtariFilesystemFactory::makeCurrentDirectoryFileNode() const {
+	char buf[MAXPATHLEN];
+	if (getcwd(buf, MAXPATHLEN) != NULL) {
+		if (buf[0] == '/') {
+			// de-mintlib'ize the path
+			if (buf[1] == 'd' && buf[2] == 'e' && buf[3] == 'v') {
+				// /dev/<drive>/<path> -> /<drive>/<path>
+				strcpy(buf, &buf[4]);
+			}
+			// /<drive>/<path> -> <DRIVE>:/<path>
+			buf[0] = toupper(buf[1]);
+			buf[1] = ':';
+		}
+		return new AtariFilesystemNode(buf, _config, _fileHashMap);
+	} else {
+		return nullptr;
+	}
+}
+
+AbstractFSNode *AtariFilesystemFactory::makeFileNodePath(const Common::String &path) const {
+	assert(!path.empty());
+	return new AtariFilesystemNode(path, _config, _fileHashMap);
+}

backends/fs/atari/atari-fs-factory.h

@@ -0,0 +1,45 @@
+/* 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/>.
+ *
+ */
+
+#ifndef ATARI_FILESYSTEM_FACTORY_H
+#define ATARI_FILESYSTEM_FACTORY_H
+
+#include "backends/fs/posix-drives/posix-drives-fs-factory.h"
+#include "backends/fs/atari/atari-fs.h"
+
+/**
+ * Creates AtariFilesystemNode objects.
+ *
+ * Parts of this class are documented in the base interface class, FilesystemFactory.
+ */
+class AtariFilesystemFactory final : public DrivesPOSIXFilesystemFactory {
+public:
+	AtariFilesystemFactory();
+
+	AbstractFSNode *makeRootFileNode() const override;
+	AbstractFSNode *makeCurrentDirectoryFileNode() const override;
+	AbstractFSNode *makeFileNodePath(const Common::String &path) const override;
+
+private:
+	AtariFilesystemNode::FileHashMap _fileHashMap;
+};
+
+#endif /*ATARI_FILESYSTEM_FACTORY_H*/

backends/fs/atari/atari-fs.cpp

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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 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/>.
+ *
+ */
+
+// Disable symbol overrides so that we can use system headers.
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+
+#include "backends/fs/atari/atari-fs.h"
+
+void AtariFilesystemNode::setFlags() {
+	DrivePOSIXFilesystemNode::setFlags();
+
+	if (!_displayNameChecked) {
+		if (_fileHashMap.contains(_displayName))
+			_displayName = _fileHashMap[_displayName];
+
+		_displayNameChecked = true;
+	}
+}

backends/fs/atari/atari-fs.h

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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 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/>.
+ *
+ */
+
+#ifndef ATARI_FILESYSTEM_H
+#define ATARI_FILESYSTEM_H
+
+#include "backends/fs/posix-drives/posix-drives-fs.h"
+
+#include "common/hash-str.h"
+#include "common/hashmap.h"
+
+/**
+ * Implementation of the ScummVM file system API based on DrivePOSIX with translation to 8+3 filenames.
+ *
+ * Parts of this class are documented in the base interface class, AbstractFSNode.
+ */
+class AtariFilesystemNode final : public DrivePOSIXFilesystemNode {
+protected:
+	AbstractFSNode *makeNode() const override {
+		return new AtariFilesystemNode(_config, _fileHashMap);
+	}
+	AbstractFSNode *makeNode(const Common::String &path) const override {
+		return new AtariFilesystemNode(path, _config, _fileHashMap);
+	}
+
+public:
+	typedef Common::HashMap<Common::String, Common::String, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> FileHashMap;
+
+	AtariFilesystemNode(const Config &config, const FileHashMap &fileHashMap)
+		: DrivePOSIXFilesystemNode(config)
+		, _fileHashMap(fileHashMap) {
+	}
+	AtariFilesystemNode(const Common::String &path, const Config &config, const FileHashMap &fileHashMap)
+		: DrivePOSIXFilesystemNode(path, config)
+		, _fileHashMap(fileHashMap) {
+	}
+
+protected:
+	void setFlags() override;
+
+private:
+	const FileHashMap &_fileHashMap;
+	bool _displayNameChecked = false;
+};
+
+#endif