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engines/darkseed/tostext.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/file.h"
+#include "darkseed/darkseed.h"
+#include "darkseed/tostext.h"
+
+namespace Darkseed {
+
+bool TosText::load() {
+	if (g_engine->isDosDemo()) {
+		loadDemoTosEntries();
+		return true;
+	}
+	Common::File tostextFile;
+	if (!tostextFile.open("tostext.bin")) {
+		return false;
+	}
+	_numEntries = tostextFile.readUint16LE() / 2;
+	_textArray.resize(_numEntries);
+
+	for (int i = 0; i < _numEntries; i++) {
+		_textArray[i] = loadString(tostextFile, i);
+	}
+	return true;
+}
+
+void TosText::loadDemoTosEntries() {
+	_numEntries = 973;
+	_textArray.resize(_numEntries);
+	_textArray[10] = "My head is killing me.";
+	_textArray[11] = "My head feels like it is going to explode.";
+	_textArray[12] = "It seems like I've had this headache since I moved here.";
+	_textArray[13] = "I need an asprin or something.";
+
+	_textArray[798] = "You can't touch the horizon!";
+
+	_textArray[802] = "You see the unfortunate victims of the life leech.";
+
+	_textArray[972] = "Holding ";
+}
+
+const Common::U32String &TosText::getText(uint16 textIndex) {
+	assert(textIndex < _numEntries);
+	return _textArray[textIndex];
+}
+
+Common::U32String TosText::loadString(Common::File &file, uint16 index) const {
+	Common::U32String str;
+	file.seek(index * 2, SEEK_SET);
+	auto startOffset = file.readUint16LE();
+	uint16 strLen = index == _numEntries - 1
+						? (uint16)file.size() - startOffset
+						: file.readUint16LE() - startOffset;
+	file.seek(startOffset, SEEK_SET);
+	if (g_engine->getLanguage() == Common::KO_KOR || g_engine->getLanguage() == Common::ZH_ANY) {
+		// handle multi-byte languages
+		for (int i = 0; i < strLen; i++) {
+			uint8 byte = (char)file.readByte();
+			if (byte & 0x80) {
+				if (i < strLen - 1) {
+					uint8 byte2 = (char)file.readByte();
+					str += (int)byte << 8 | byte2;
+					i++;
+				}
+			} else {
+				str += byte;
+			}
+		}
+	} else {
+		for (int i = 0; i < strLen; i++) {
+			str += (char)file.readByte();
+		}
+	}
+	return str;
+}
+
+uint16 TosText::getNumEntries() const {
+	return _numEntries;
+}
+
+} // namespace Darkseed