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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;
}
Common::String line = file.readLine();
uint lineNumber = 0;
while (!file.eos()) {
Common::String asciiLine = wideToASCII(line.c_str(), line.size());
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;
break;
case '>':
inTag = false;
parseTag(Common::String(tagString, tagStringCursor), Common::String(textString, textStringCursor), i);
tagStringCursor = 0;
textStringCursor = 0;
break;
default:
if (inTag) {
textString[tagStringCursor] = asciiLine[i];
tagStringCursor++;
} else {
textString[textStringCursor] = asciiLine[i];
textStringCursor++;
}
break;
}
}
// STR files add a null character after the CR/LF. We need to skip over that before we can read another line
file.readByte();
line = file.readLine();
lineNumber++;
}
}
void StringManager::parseTag(const Common::String &tagString, const Common::String &textString, uint lineNumber) {
Common::StringTokenizer tokenizer(tagString);
Common::String token = tokenizer.nextToken();
Common::String fontName;
bool bold = false;
Graphics::TextAlign align = Graphics::kTextAlignLeft;
int point = 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();
}
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("times new roman", true)) {
if (bold) {
newFontName = "courbd.ttf";
} else {
newFontName = "cour.ttf";
}
} else {
debug("Could not identify font: %s. Reverting to Arial", fontName.c_str());
if (bold) {
newFontName = "zorknorm.ttf";
} else {
newFontName = "arial.ttf";
}
}
// Push an empty TextFragment onto the end of the list
// Creating the TextFragement before filling it prevents extra data copying during creation
_inGameText->fragments.push_back(TextFragment());
TextFragment *fragment = &_inGameText->fragments.back();
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);
}
fragment->style.align = align;
fragment->style.color = _pixelFormat565.ARGBToColor(0, red, green, blue);
fragment->text = textString;
}
Common::String StringManager::wideToASCII(const char *wideStr, uint arrayLength) {
// TODO: Contemplate using a largish static buffer instead of a dynamic heap buffer
uint newSize = arrayLength / 2;
char *asciiString = new char[newSize];
// Don't spam the user with warnings about UTF-16 support.
// Just do one warning per String
bool charOverflowWarning = false;
// Crush each octet pair to a single octet with a simple cast
for (uint i = 0; i < newSize; i++) {
uint16 value = READ_LE_UINT16(wideStr + (i * 2));
if (value > 255) {
charOverflowWarning = true;
value = 255;
}
asciiString[i] = (char)value;
}
if (charOverflowWarning) {
warning("UTF-16 is not supported. Characters greater than 255 are clamped to 255");
}
Common::String returnString(asciiString, newSize);
// Cleanup. Common::String constructor does a memmove() internally so we can safely delete
delete[] asciiString;
return returnString;
}
StringManager::TextStyle StringManager::getTextStyle(uint stringNumber) {
return _inGameText[stringNumber].fragments.front().style;
}
} // End of namespace ZVision
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