1 files changed, 257 insertions, 0 deletions
diff --git a/engines/zvision/string_manager.cpp b/engines/zvision/string_manager.cpp
new file mode 100644
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+++ b/engines/zvision/string_manager.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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "common/scummsys.h"
+
+#include "common/file.h"
+#include "common/tokenizer.h"
+#include "common/debug.h"
+
+#include "graphics/fontman.h"
+
+#include "zvision/string_manager.h"
+#include "zvision/truetype_font.h"
+
+
+namespace ZVision {
+
+const Graphics::PixelFormat StringManager::_pixelFormat565 = Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0);
+
+StringManager::StringManager(ZVision *engine) 
+	: _engine(engine) {
+}
+
+StringManager::~StringManager() {
+	for (Common::HashMap<Common::String, TruetypeFont *>::iterator iter = _fonts.begin(); iter != _fonts.end(); iter++) {
+		delete (*iter)._value;
+	}
+}
+
+void StringManager::initialize(ZVisionGameId gameId) {
+	if (gameId == ZorkNemesis) {
+		// TODO: Check this hardcoded filename against all versions of Nemesis
+		parseStrFile("nemesis.str");
+	} else if (gameId == ZorkGrandInquisitor) {
+		// TODO: Check this hardcoded filename against all versions of Grand Inquisitor
+		parseStrFile("inquis.str");
+	}
+}
+
+void StringManager::parseStrFile(const Common::String &fileName) {
+	Common::File file;
+	if (!file.open(fileName)) {
+		warning("%s does not exist. String parsing failed", fileName.c_str());
+		return;
+	}
+
+	uint lineNumber = 0;
+	while (!file.eos()) {
+		_lastStyle.align = Graphics::kTextAlignLeft;
+		_lastStyle.color = 0;
+		_lastStyle.font = nullptr;
+
+		Common::String asciiLine = readWideLine(file);
+		if (asciiLine.empty()) {
+			continue;
+		}
+
+		char tagString[150];
+		uint tagStringCursor = 0;
+		char textString[150];
+		uint textStringCursor = 0;
+		bool inTag = false;
+
+		for (uint i = 0; i < asciiLine.size(); i++) {
+			switch (asciiLine[i]) {
+			case '<':
+				inTag = true;
+				if (!_inGameText[lineNumber].fragments.empty()) {
+					_inGameText[lineNumber].fragments.back().text = Common::String(textString, textStringCursor);
+					textStringCursor = 0;
+				}
+				break;
+			case '>':
+				inTag = false;
+				parseTag(Common::String(tagString, tagStringCursor), lineNumber);
+				tagStringCursor = 0;
+				break;
+			default:
+				if (inTag) {
+					tagString[tagStringCursor] = asciiLine[i];
+					tagStringCursor++;
+				} else {
+					textString[textStringCursor] = asciiLine[i];
+					textStringCursor++;
+				}
+				break;
+			}
+		}
+
+		if (textStringCursor > 0) {
+			_inGameText[lineNumber].fragments.back().text = Common::String(textString, textStringCursor);
+		}
+
+		lineNumber++;
+	}
+}
+
+void StringManager::parseTag(const Common::String &tagString, uint lineNumber) {
+	Common::StringTokenizer tokenizer(tagString);
+
+	Common::String token = tokenizer.nextToken();
+
+	Common::String fontName;
+	bool bold = false;
+	Graphics::TextAlign align = _lastStyle.align;
+	int point = _lastStyle.font != nullptr ? _lastStyle.font->_fontHeight : 12;
+	int red = 0;
+	int green = 0;
+	int blue = 0;
+
+	while (!token.empty()) {
+		if (token.matchString("font", true)) {
+			fontName = tokenizer.nextToken();
+		} else if (token.matchString("bold", true)) {
+			token = tokenizer.nextToken();
+			if (token.matchString("on", false)) {
+				bold = true;
+			}
+		} else if (token.matchString("justify", true)) {
+			token = tokenizer.nextToken();
+			if (token.matchString("center", false)) {
+				align = Graphics::kTextAlignCenter;
+			} else if (token.matchString("right", false)) {
+				align = Graphics::kTextAlignRight;
+			}
+		} else if (token.matchString("point", true)) {
+			point = atoi(tokenizer.nextToken().c_str());
+		} else if (token.matchString("red", true)) {
+			red = atoi(tokenizer.nextToken().c_str());
+		} else if (token.matchString("green", true)) {
+			green = atoi(tokenizer.nextToken().c_str());
+		} else if (token.matchString("blue", true)) {
+			blue = atoi(tokenizer.nextToken().c_str());
+		}
+
+		token = tokenizer.nextToken();
+	}
+
+	TextFragment fragment = _inGameText->fragments.back();
+
+	if (fontName.empty()) {
+		fragment.style.font = _lastStyle.font;
+	} else {
+		Common::String newFontName;
+		if (fontName.matchString("*times new roman*", true)) {
+			if (bold) {
+				newFontName = "timesbd.ttf";
+			} else {
+				newFontName = "times.ttf";
+			}
+		} else if (fontName.matchString("*courier new*", true)) {
+			if (bold) {
+				newFontName = "courbd.ttf";
+			} else {
+				newFontName = "cour.ttf";
+			}
+		} else if (fontName.matchString("*century schoolbook*", true)) {
+			if (bold) {
+				newFontName = "censcbkbd.ttf";
+			} else {
+				newFontName = "censcbk.ttf";
+			}
+		} else if (fontName.matchString("*garamond*", true)) {
+			if (bold) {
+				newFontName = "garabd.ttf";
+			} else {
+				newFontName = "gara.ttf";
+			}
+		} else {
+			debug("Could not identify font: %s. Reverting to Arial", fontName.c_str());
+			if (bold) {
+				newFontName = "zorknorm.ttf";
+			} else {
+				newFontName = "arial.ttf";
+			}
+		}
+
+		Common::String fontKey = Common::String::format("%s-%d", newFontName.c_str(), point);
+		if (_fonts.contains(fontKey)) {
+			fragment.style.font = _fonts[fontKey];
+		} else {
+			fragment.style.font = new TruetypeFont(_engine, point);
+			fragment.style.font->loadFile(newFontName);
+			_fonts[fontKey] = fragment.style.font;
+		}
+	}
+
+	fragment.style.align = align;
+	fragment.style.color = _pixelFormat565.ARGBToColor(0, red, green, blue);
+	_inGameText[lineNumber].fragments.push_back(fragment);
+
+	_lastStyle = fragment.style;
+}
+
+Common::String StringManager::readWideLine(Common::SeekableReadStream &stream) {
+	// NOTE: Hardcoded size. All strings I've checked are less than 290 chars
+	char asciiString[300];
+
+	// Don't spam the user with warnings about UTF-16 support.
+	// Just do one warning per String
+	bool charOverflowWarning = false;
+	
+	uint16 value = stream.readUint16LE();
+	uint i = 0;
+	while (!stream.eos()) {
+		// Check for CRLF
+		if (value == 0x0A0D) {
+			// Read in the extra NULL char
+			stream.readByte(); // \0
+			// End of the line. Break
+			break;
+		}
+
+		// Crush each octet pair to a single octet with a simple cast
+		if (value > 255) {
+			charOverflowWarning = true;
+			value = 255;
+		}
+		char charValue = (char)value;
+		
+		asciiString[i] = charValue;
+		i++;
+
+		value = stream.readUint16LE();
+	}
+
+	if (charOverflowWarning) {
+		warning("UTF-16 is not supported. Characters greater than 255 are clamped to 255");
+	}
+
+	return Common::String(asciiString, i);
+}
+
+StringManager::TextStyle StringManager::getTextStyle(uint stringNumber) {
+	return _inGameText[stringNumber].fragments.front().style;
+}
+
+} // End of namespace ZVision