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engines/sludge/language.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/>.
+ *
+ */
+
+#include "common/debug.h"
+
+#include "sludge/fileset.h"
+#include "sludge/language.h"
+#include "sludge/moreio.h"
+#include "sludge/newfatal.h"
+#include "sludge/sludge.h"
+#include "sludge/version.h"
+
+namespace Sludge {
+
+LanguageManager::LanguageManager() {
+	init();
+}
+
+LanguageManager::~LanguageManager() {
+	kill();
+}
+
+void LanguageManager::init() {
+	_languageID = 0;
+	_languageIdx = -1;
+	_numLanguages = 0;
+	_languageTable = nullptr;
+	_languageNames = nullptr;
+}
+
+void LanguageManager::kill() {
+	if (_languageTable) {
+		delete []_languageTable;
+		_languageTable = nullptr;
+	}
+
+	if (_languageNames) {
+		delete []_languageNames;
+		_languageNames = nullptr;
+	}
+}
+
+void LanguageManager::createTable(Common::File *fp) {
+	// get number of languages
+	_numLanguages =
+				(gameVersion >= VERSION(1, 3)) ? (fp->readByte()) : 0;
+	debugC(2, kSludgeDebugDataLoad, "numLanguages : %c", _numLanguages);
+
+	// make language table
+	_languageTable = new uint[_numLanguages + 1];
+	if (!checkNew(_languageTable))
+		return;
+
+	_languageNames = new Common::String[_numLanguages + 1];
+	if (!checkNew(_languageNames))
+		return;
+
+	for (uint i = 0; i <= _numLanguages; i++) {
+		_languageTable[i] = i ? fp->readUint16BE() : 0;
+		debugC(2, kSludgeDebugDataLoad, "languageTable %i: %i", i, _languageTable[i]);
+		_languageNames[i].clear();
+		if (gameVersion >= VERSION(2, 0)) {
+			if (_numLanguages) {
+				_languageNames[i] = readString(fp);
+				debugC(2, kSludgeDebugDataLoad, "languageName %i: %s\n", i, _languageNames[i].c_str());
+			}
+		}
+	}
+}
+
+void LanguageManager::setLanguageID(uint id) {
+	_languageID = id;
+	// get index of language
+	setLanguageIndex(getLanguageForFileB());
+}
+
+int LanguageManager::getLanguageForFileB() {
+	int indexNum = -1;
+	for (uint i = 0; i <= _numLanguages; i++) {
+		if (_languageTable[i] == _languageID)
+			indexNum = i;
+	}
+	return indexNum;
+}
+
+void LanguageManager::saveLanguageSetting(Common::WriteStream *writeStream) {
+	writeStream->writeByte(_numLanguages);
+}
+
+void LanguageManager::loadLanguageSetting(Common::SeekableReadStream *readStream) {
+	uint languageIdx = readStream->readByte();
+	setLanguageIndex(languageIdx);
+}
+
+void LanguageManager::setLanguageIndex(int idx) {
+	if (idx < 0)
+		fatal("Can't find the translation data specified!");
+
+	if (idx != _languageIdx) {
+		// Load the saved language!
+		_languageIdx = idx;
+		// Now set file indices properly to the chosen language.
+		g_sludge->_resMan->setFileIndices(_numLanguages, _languageIdx);
+	}
+}
+
+} // End of namespace Sludge