Initial commit

engines/hugo/text.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/system.h"
+#include "common/stream.h"
+
+#include "hugo/hugo.h"
+#include "hugo/text.h"
+
+namespace Hugo {
+
+TextHandler::TextHandler(HugoEngine *vm) : _vm(vm) {
+	_textData = nullptr;
+	_stringtData = nullptr;
+	_textEngine = nullptr;
+	_textIntro = nullptr;
+	_textMouse = nullptr;
+	_textParser = nullptr;
+	_textUtil = nullptr;
+	_screenNames = nullptr;
+	_arrayNouns = nullptr;
+	_arrayVerbs = nullptr;
+}
+
+TextHandler::~TextHandler() {
+}
+
+const char *TextHandler::getNoun(int idx1, int idx2) const {
+	return _arrayNouns[idx1][idx2];
+}
+
+const char *TextHandler::getScreenNames(int screenIndex) const {
+	return _screenNames[screenIndex];
+}
+
+const char *TextHandler::getStringtData(int stringIndex) const {
+	return _stringtData[stringIndex];
+}
+
+const char *TextHandler::getTextData(int textIndex) const {
+	return _textData[textIndex];
+}
+
+const char *TextHandler::getTextEngine(int engineIndex) const {
+	return _textEngine[engineIndex];
+}
+
+const char *TextHandler::getTextIntro(int introIndex) const {
+	return _textIntro[introIndex];
+}
+
+const char *TextHandler::getTextMouse(int mouseIndex) const {
+	return _textMouse[mouseIndex];
+}
+
+const char *TextHandler::getTextParser(int parserIndex) const {
+	return _textParser[parserIndex];
+}
+
+const char *TextHandler::getTextUtil(int utilIndex) const {
+	return _textUtil[utilIndex];
+}
+
+const char *TextHandler::getVerb(int idx1, int idx2) const {
+	return _arrayVerbs[idx1][idx2];
+}
+
+char **TextHandler::getNounArray(int idx1) const {
+	return _arrayNouns[idx1];
+}
+
+char **TextHandler::getVerbArray(int idx1) const {
+	return _arrayVerbs[idx1];
+}
+
+char **TextHandler::loadTextsVariante(Common::ReadStream &in, uint16 *arraySize) {
+	int  len;
+	char **res = nullptr;
+	char *pos = nullptr;
+	char *posBck = nullptr;
+
+	for (int varnt = 0; varnt < _vm->_numVariant; varnt++) {
+		int numTexts = in.readUint16BE();
+		int entryLen = in.readUint16BE();
+		pos = (char *)malloc(entryLen);
+		if (varnt == _vm->_gameVariant) {
+			if (arraySize)
+				*arraySize = numTexts;
+			res = (char **)malloc(sizeof(char *) * numTexts);
+			res[0] = pos;
+			in.read(res[0], entryLen);
+			res[0] += DATAALIGNMENT;
+		} else {
+			in.read(pos, entryLen);
+			posBck = pos;
+		}
+
+		pos += DATAALIGNMENT;
+
+		for (int i = 1; i < numTexts; i++) {
+			pos -= 2;
+
+			len = READ_BE_UINT16(pos);
+			pos += 2 + len;
+
+			if (varnt == _vm->_gameVariant)
+				res[i] = pos;
+		}
+
+		if (varnt != _vm->_gameVariant)
+			free(posBck);
+	}
+
+	return res;
+}
+
+char ***TextHandler::loadTextsArray(Common::ReadStream &in) {
+	char ***resArray = nullptr;
+	uint16 arraySize;
+
+	for (int varnt = 0; varnt < _vm->_numVariant; varnt++) {
+		arraySize = in.readUint16BE();
+		if (varnt == _vm->_gameVariant) {
+			resArray = (char ***)malloc(sizeof(char **) * (arraySize + 1));
+			resArray[arraySize] = nullptr;
+		}
+		for (int i = 0; i < arraySize; i++) {
+			int numTexts = in.readUint16BE();
+			int entryLen = in.readUint16BE();
+			char *pos = (char *)malloc(entryLen);
+			char *posBck = nullptr;
+			char **res = nullptr;
+			if (varnt == _vm->_gameVariant) {
+				res = (char **)malloc(sizeof(char *) * numTexts);
+				res[0] = pos;
+				in.read(res[0], entryLen);
+				res[0] += DATAALIGNMENT;
+			} else {
+				in.read(pos, entryLen);
+				posBck = pos;
+			}
+
+			pos += DATAALIGNMENT;
+
+			for (int j = 0; j < numTexts; j++) {
+				if (varnt == _vm->_gameVariant)
+					res[j] = pos;
+
+				pos -= 2;
+				int len = READ_BE_UINT16(pos);
+				pos += 2 + len;
+			}
+
+			if (varnt == _vm->_gameVariant)
+				resArray[i] = res;
+			else
+				free(posBck);
+		}
+	}
+
+	return resArray;
+}
+
+char **TextHandler::loadTexts(Common::ReadStream &in) {
+	int numTexts = in.readUint16BE();
+	char **res = (char **)malloc(sizeof(char *) * numTexts);
+	int entryLen = in.readUint16BE();
+	char *pos = (char *)malloc(entryLen);
+
+	in.read(pos, entryLen);
+
+	pos += DATAALIGNMENT;
+	res[0] = pos;
+
+	for (int i = 1; i < numTexts; i++) {
+		pos -= 2;
+		int len = READ_BE_UINT16(pos);
+		pos += 2 + len;
+		res[i] = pos;
+	}
+
+	return res;
+}
+
+void TextHandler::loadAllTexts(Common::ReadStream &in) {
+	// Read textData
+	_textData = loadTextsVariante(in, nullptr);
+
+	// Read stringtData
+	// Only Hugo 1 DOS should use this array
+	_stringtData = loadTextsVariante(in, nullptr);
+
+	// Read arrayNouns
+	_arrayNouns = loadTextsArray(in);
+
+	// Read arrayVerbs
+	_arrayVerbs = loadTextsArray(in);
+
+	// Read screenNames
+	_screenNames = loadTextsVariante(in, &_vm->_numScreens);
+
+	// Read textEngine
+	_textEngine = loadTexts(in);
+
+	// Read textIntro
+	_textIntro = loadTextsVariante(in, nullptr);
+
+	// Read textMouse
+	_textMouse = loadTexts(in);
+
+	// Read textParser
+	_textParser = loadTexts(in);
+
+	// Read textUtil
+	_textUtil = loadTextsVariante(in, nullptr);
+}
+
+void TextHandler::freeTexts(char **ptr) {
+	if (!ptr)
+		return;
+
+	free(*ptr - DATAALIGNMENT);
+	free(ptr);
+	ptr = nullptr;
+}
+
+void TextHandler::freeAllTexts() {
+	freeTexts(_textData);
+	freeTexts(_stringtData);
+
+	if (_arrayNouns) {
+		for (int i = 0; _arrayNouns[i]; i++)
+			freeTexts(_arrayNouns[i]);
+		free(_arrayNouns);
+		_arrayNouns = nullptr;
+	}
+
+	if (_arrayVerbs) {
+		for (int i = 0; _arrayVerbs[i]; i++)
+			freeTexts(_arrayVerbs[i]);
+		free(_arrayVerbs);
+		_arrayVerbs = nullptr;
+	}
+
+	freeTexts(_screenNames);
+	freeTexts(_textEngine);
+	freeTexts(_textIntro);
+	freeTexts(_textMouse);
+	freeTexts(_textParser);
+	freeTexts(_textUtil);
+}
+
+} // End of namespace Hugo