mirror of
https://github.com/scummvm/scummvm.git
synced 2026-06-20 05:45:29 +00:00
GOB: Add a simple class for PreGob TXT files
This commit is contained in:
Sven Hesse
@@ -79,6 +79,7 @@ MODULE_OBJS := \
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demos/batplayer.o \
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detection/detection.o \
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pregob/pregob.o \
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pregob/txtfile.o \
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pregob/onceupon/onceupon.o \
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pregob/onceupon/abracadabra.o \
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pregob/onceupon/babayaga.o \
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@@ -26,6 +26,7 @@
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#include "gob/global.h"
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#include "gob/util.h"
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#include "gob/surface.h"
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#include "gob/dataio.h"
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#include "gob/palanim.h"
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#include "gob/draw.h"
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#include "gob/video.h"
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@@ -202,4 +203,16 @@ void PreGob::redrawAnim(ANIObject &ani) {
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drawAnim(ani);
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}
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TXTFile *PreGob::loadTXT(const Common::String &txtFile, TXTFile::Format format) const {
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Common::SeekableReadStream *txtStream = _vm->_dataIO->getFile(txtFile);
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if (!txtStream)
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error("PreGob::loadTXT(): Failed to open \"%s\"", txtFile.c_str());
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TXTFile *txt = new TXTFile(*txtStream, format);
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delete txtStream;
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return txt;
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}
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} // End of namespace Gob
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@@ -25,6 +25,8 @@
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#include "gob/util.h"
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#include "gob/pregob/txtfile.h"
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namespace Gob {
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class GobEngine;
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@@ -77,6 +79,8 @@ protected:
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void drawAnim(ANIObject &ani);
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void redrawAnim(ANIObject &ani);
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TXTFile *loadTXT(const Common::String &txtFile, TXTFile::Format format) const;
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GobEngine *_vm;
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@@ -0,0 +1,232 @@
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "common/stream.h"
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#include "gob/draw.h"
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#include "gob/pregob/txtfile.h"
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namespace Gob {
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TXTFile::TXTFile(Common::SeekableReadStream &txt, Format format) {
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load(txt, format);
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}
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TXTFile::~TXTFile() {
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}
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TXTFile::LineArray &TXTFile::getLines() {
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return _lines;
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}
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void TXTFile::load(Common::SeekableReadStream &txt, Format format) {
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if (format == kFormatStringPositionColorFont) {
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int numLines = getInt(txt);
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_lines.reserve(numLines);
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}
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while (!txt.eos()) {
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Line line;
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line.text = getStr(txt);
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line.x = (format >= kFormatStringPosition) ? getInt(txt) : 0;
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line.y = (format >= kFormatStringPosition) ? getInt(txt) : 0;
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line.color = (format >= kFormatStringPositionColor) ? getInt(txt) : 0;
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line.font = (format >= kFormatStringPositionColorFont) ? getInt(txt) : 0;
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_lines.push_back(line);
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}
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while (!_lines.empty() && _lines.back().text.empty())
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_lines.pop_back();
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}
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bool TXTFile::draw(Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom,
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const Font * const *fonts, uint fontCount, int color) {
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trashBuffer();
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if (!getArea(left, top, right, bottom, fonts, fontCount))
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return false;
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resizeBuffer(right - left + 1, bottom - top + 1);
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saveScreen(surface, left, top, right, bottom);
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for (LineArray::const_iterator l = _lines.begin(); l != _lines.end(); ++l) {
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if (l->font >= fontCount)
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continue;
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fonts[l->font]->drawString(l->text, l->x, l->y, (color < 0) ? l->color : color, 0, true, surface);
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}
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return true;
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}
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bool TXTFile::draw(uint line, Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom,
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const Font * const *fonts, uint fontCount, int color) {
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trashBuffer();
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if (!getArea(line, left, top, right, bottom, fonts, fontCount))
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return false;
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resizeBuffer(right - left + 1, bottom - top + 1);
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saveScreen(surface, left, top, right, bottom);
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const Line &l = _lines[line];
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fonts[l.font]->drawString(l.text, l.x, l.y, (color < 0) ? l.color : color, 0, true, surface);
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return true;
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}
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bool TXTFile::draw(Surface &surface, const Font * const *fonts, uint fontCount, int color) {
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int16 left, top, right, bottom;
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return draw(surface, left, top, right, bottom, fonts, fontCount, color);
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}
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bool TXTFile::draw(uint line, Surface &surface, const Font * const *fonts, uint fontCount, int color) {
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int16 left, top, right, bottom;
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return draw(line, surface, left, top, right, bottom, fonts, fontCount, color);
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}
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bool TXTFile::clear(Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom) {
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return restoreScreen(surface, left, top, right, bottom);
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}
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bool TXTFile::getArea(int16 &left, int16 &top, int16 &right, int16 &bottom,
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const Font * const *fonts, uint fontCount) const {
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bool hasLine = false;
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left = 0x7FFF;
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top = 0x7FFF;
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right = 0x0000;
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bottom = 0x0000;
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for (uint i = 0; i < _lines.size(); i++) {
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int16 lLeft, lTop, lRight, lBottom;
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if (getArea(i, lLeft, lTop, lRight, lBottom, fonts, fontCount)) {
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left = MIN(left , lLeft );
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top = MIN(top , lTop );
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right = MAX(right , lRight );
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bottom = MAX(bottom, lBottom);
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hasLine = true;
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}
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}
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return hasLine;
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}
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bool TXTFile::getArea(uint line, int16 &left, int16 &top, int16 &right, int16 &bottom,
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const Font * const *fonts, uint fontCount) const {
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if ((line >= _lines.size()) || (_lines[line].font >= fontCount))
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return false;
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const Line &l = _lines[line];
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left = l.x;
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top = l.y;
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right = l.x + l.text.size() * fonts[l.font]->getCharWidth() - 1;
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bottom = l.y + fonts[l.font]->getCharHeight() - 1;
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return true;
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}
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Common::String TXTFile::getStr(Common::SeekableReadStream &txt) {
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// Skip all ' ', '\n' and '\r'
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while (!txt.eos()) {
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char c = txt.readByte();
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if (txt.eos())
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break;
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if ((c != ' ') && (c != '\n') && (c != '\r')) {
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txt.seek(-1, SEEK_CUR);
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break;
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}
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}
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if (txt.eos())
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return "";
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// Read string until ' ', '\n' or '\r'
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Common::String string;
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while (!txt.eos()) {
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char c = txt.readByte();
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if ((c == ' ') || (c == '\n') || (c == '\r'))
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break;
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string += c;
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}
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// Replace all '#' with ' ' and throw out non-printables
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Common::String cleanString;
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for (uint i = 0; i < string.size(); i++) {
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if (string[i] == '#')
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cleanString += ' ';
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else if ((unsigned char)string[i] >= ' ')
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cleanString += string[i];
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}
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return cleanString;
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}
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int TXTFile::getInt(Common::SeekableReadStream &txt) {
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// Skip all [^-0-9]
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while (!txt.eos()) {
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char c = txt.readByte();
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if (txt.eos())
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break;
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if ((c == '-') || ((c >= '0') && (c <= '9'))) {
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txt.seek(-1, SEEK_CUR);
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break;
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}
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}
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if (txt.eos())
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return 0;
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// Read until [^-0-9]
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Common::String string;
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while (!txt.eos()) {
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char c = txt.readByte();
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if ((c != '-') && ((c < '0') || (c > '9')))
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break;
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string += c;
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}
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// Convert to integer
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return atoi(string.c_str());
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}
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} // End of namespace Gob
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@@ -0,0 +1,91 @@
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef GOB_PREGOB_TXTFILE_H
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#define GOB_PREGOB_TXTFILE_H
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#include "common/system.h"
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#include "common/str.h"
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#include "common/array.h"
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#include "gob/backbuffer.h"
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namespace Common {
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class SeekableReadStream;
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}
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namespace Gob {
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class Surface;
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class Font;
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class TXTFile : public BackBuffer {
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public:
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enum Format {
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kFormatString,
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kFormatStringPosition,
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kFormatStringPositionColor,
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kFormatStringPositionColorFont
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};
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struct Line {
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Common::String text;
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int x, y;
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int color;
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uint font;
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};
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typedef Common::Array<Line> LineArray;
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TXTFile(Common::SeekableReadStream &txt, Format format);
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~TXTFile();
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LineArray &getLines();
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bool draw( Surface &surface, const Font * const *fonts, uint fontCount, int color = -1);
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bool draw(uint line, Surface &surface, const Font * const *fonts, uint fontCount, int color = -1);
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bool draw( Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom,
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const Font * const *fonts, uint fontCount, int color = -1);
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bool draw(uint line, Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom,
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const Font * const *fonts, uint fontCount, int color = -1);
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bool clear(Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom);
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private:
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LineArray _lines;
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void load(Common::SeekableReadStream &txt, Format format);
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Common::String getStr(Common::SeekableReadStream &txt);
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int getInt(Common::SeekableReadStream &txt);
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bool getArea( int16 &left, int16 &top, int16 &right, int16 &bottom,
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const Font * const *fonts, uint fontCount) const;
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bool getArea(uint line, int16 &left, int16 &top, int16 &right, int16 &bottom,
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const Font * const *fonts, uint fontCount) const;
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};
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} // End of namespace Gob
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#endif // GOB_PREGOB_TXTFILE_H
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