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authorSven Hesse2012-06-30 00:41:55 +0200
committerSven Hesse2012-07-30 01:44:43 +0200
commit4b3aa88c8aaaec4f13435c46a7a3cf4ef00a08df (patch)
treef0ee4e469c9796df4d331ed737ceb7a5a992b0a2 /engines
parent9af01cd58417e796b82cf6bb36e1bd30b0875f0e (diff)
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GOB: Add a simple class for PreGob TXT files
Diffstat (limited to 'engines')
-rw-r--r--engines/gob/module.mk1
-rw-r--r--engines/gob/pregob/pregob.cpp13
-rw-r--r--engines/gob/pregob/pregob.h4
-rw-r--r--engines/gob/pregob/txtfile.cpp232
-rw-r--r--engines/gob/pregob/txtfile.h91
5 files changed, 341 insertions, 0 deletions
diff --git a/engines/gob/module.mk b/engines/gob/module.mk
index 2169602e1b..f8b477b92b 100644
--- a/engines/gob/module.mk
+++ b/engines/gob/module.mk
@@ -79,6 +79,7 @@ MODULE_OBJS := \
demos/batplayer.o \
detection/detection.o \
pregob/pregob.o \
+ pregob/txtfile.o \
pregob/onceupon/onceupon.o \
pregob/onceupon/abracadabra.o \
pregob/onceupon/babayaga.o \
diff --git a/engines/gob/pregob/pregob.cpp b/engines/gob/pregob/pregob.cpp
index b9c36d7cf8..98b1a2e6b8 100644
--- a/engines/gob/pregob/pregob.cpp
+++ b/engines/gob/pregob/pregob.cpp
@@ -26,6 +26,7 @@
#include "gob/global.h"
#include "gob/util.h"
#include "gob/surface.h"
+#include "gob/dataio.h"
#include "gob/palanim.h"
#include "gob/draw.h"
#include "gob/video.h"
@@ -202,4 +203,16 @@ void PreGob::redrawAnim(ANIObject &ani) {
drawAnim(ani);
}
+TXTFile *PreGob::loadTXT(const Common::String &txtFile, TXTFile::Format format) const {
+ Common::SeekableReadStream *txtStream = _vm->_dataIO->getFile(txtFile);
+ if (!txtStream)
+ error("PreGob::loadTXT(): Failed to open \"%s\"", txtFile.c_str());
+
+ TXTFile *txt = new TXTFile(*txtStream, format);
+
+ delete txtStream;
+
+ return txt;
+}
+
} // End of namespace Gob
diff --git a/engines/gob/pregob/pregob.h b/engines/gob/pregob/pregob.h
index 9efdbe8df6..d087bb0d0c 100644
--- a/engines/gob/pregob/pregob.h
+++ b/engines/gob/pregob/pregob.h
@@ -25,6 +25,8 @@
#include "gob/util.h"
+#include "gob/pregob/txtfile.h"
+
namespace Gob {
class GobEngine;
@@ -77,6 +79,8 @@ protected:
void drawAnim(ANIObject &ani);
void redrawAnim(ANIObject &ani);
+ TXTFile *loadTXT(const Common::String &txtFile, TXTFile::Format format) const;
+
GobEngine *_vm;
diff --git a/engines/gob/pregob/txtfile.cpp b/engines/gob/pregob/txtfile.cpp
new file mode 100644
index 0000000000..3ff0d4b039
--- /dev/null
+++ b/engines/gob/pregob/txtfile.cpp
@@ -0,0 +1,232 @@
+/* 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/stream.h"
+
+#include "gob/draw.h"
+
+#include "gob/pregob/txtfile.h"
+
+namespace Gob {
+
+TXTFile::TXTFile(Common::SeekableReadStream &txt, Format format) {
+ load(txt, format);
+}
+
+TXTFile::~TXTFile() {
+}
+
+TXTFile::LineArray &TXTFile::getLines() {
+ return _lines;
+}
+
+void TXTFile::load(Common::SeekableReadStream &txt, Format format) {
+ if (format == kFormatStringPositionColorFont) {
+ int numLines = getInt(txt);
+
+ _lines.reserve(numLines);
+ }
+
+ while (!txt.eos()) {
+ Line line;
+
+ line.text = getStr(txt);
+ line.x = (format >= kFormatStringPosition) ? getInt(txt) : 0;
+ line.y = (format >= kFormatStringPosition) ? getInt(txt) : 0;
+ line.color = (format >= kFormatStringPositionColor) ? getInt(txt) : 0;
+ line.font = (format >= kFormatStringPositionColorFont) ? getInt(txt) : 0;
+
+ _lines.push_back(line);
+ }
+
+ while (!_lines.empty() && _lines.back().text.empty())
+ _lines.pop_back();
+}
+
+bool TXTFile::draw(Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom,
+ const Font * const *fonts, uint fontCount, int color) {
+
+ trashBuffer();
+
+ if (!getArea(left, top, right, bottom, fonts, fontCount))
+ return false;
+
+ resizeBuffer(right - left + 1, bottom - top + 1);
+ saveScreen(surface, left, top, right, bottom);
+
+ for (LineArray::const_iterator l = _lines.begin(); l != _lines.end(); ++l) {
+ if (l->font >= fontCount)
+ continue;
+
+ fonts[l->font]->drawString(l->text, l->x, l->y, (color < 0) ? l->color : color, 0, true, surface);
+ }
+
+ return true;
+}
+
+bool TXTFile::draw(uint line, Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom,
+ const Font * const *fonts, uint fontCount, int color) {
+
+ trashBuffer();
+
+ if (!getArea(line, left, top, right, bottom, fonts, fontCount))
+ return false;
+
+ resizeBuffer(right - left + 1, bottom - top + 1);
+ saveScreen(surface, left, top, right, bottom);
+
+ const Line &l = _lines[line];
+
+ fonts[l.font]->drawString(l.text, l.x, l.y, (color < 0) ? l.color : color, 0, true, surface);
+
+ return true;
+}
+
+bool TXTFile::draw(Surface &surface, const Font * const *fonts, uint fontCount, int color) {
+ int16 left, top, right, bottom;
+
+ return draw(surface, left, top, right, bottom, fonts, fontCount, color);
+}
+
+bool TXTFile::draw(uint line, Surface &surface, const Font * const *fonts, uint fontCount, int color) {
+ int16 left, top, right, bottom;
+
+ return draw(line, surface, left, top, right, bottom, fonts, fontCount, color);
+}
+
+bool TXTFile::clear(Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom) {
+ return restoreScreen(surface, left, top, right, bottom);
+}
+
+bool TXTFile::getArea(int16 &left, int16 &top, int16 &right, int16 &bottom,
+ const Font * const *fonts, uint fontCount) const {
+
+ bool hasLine = false;
+
+ left = 0x7FFF;
+ top = 0x7FFF;
+ right = 0x0000;
+ bottom = 0x0000;
+
+ for (uint i = 0; i < _lines.size(); i++) {
+ int16 lLeft, lTop, lRight, lBottom;
+
+ if (getArea(i, lLeft, lTop, lRight, lBottom, fonts, fontCount)) {
+ left = MIN(left , lLeft );
+ top = MIN(top , lTop );
+ right = MAX(right , lRight );
+ bottom = MAX(bottom, lBottom);
+
+ hasLine = true;
+ }
+ }
+
+ return hasLine;
+}
+
+bool TXTFile::getArea(uint line, int16 &left, int16 &top, int16 &right, int16 &bottom,
+ const Font * const *fonts, uint fontCount) const {
+
+
+ if ((line >= _lines.size()) || (_lines[line].font >= fontCount))
+ return false;
+
+ const Line &l = _lines[line];
+
+ left = l.x;
+ top = l.y;
+ right = l.x + l.text.size() * fonts[l.font]->getCharWidth() - 1;
+ bottom = l.y + fonts[l.font]->getCharHeight() - 1;
+
+ return true;
+}
+
+Common::String TXTFile::getStr(Common::SeekableReadStream &txt) {
+ // Skip all ' ', '\n' and '\r'
+ while (!txt.eos()) {
+ char c = txt.readByte();
+ if (txt.eos())
+ break;
+
+ if ((c != ' ') && (c != '\n') && (c != '\r')) {
+ txt.seek(-1, SEEK_CUR);
+ break;
+ }
+ }
+
+ if (txt.eos())
+ return "";
+
+ // Read string until ' ', '\n' or '\r'
+ Common::String string;
+ while (!txt.eos()) {
+ char c = txt.readByte();
+ if ((c == ' ') || (c == '\n') || (c == '\r'))
+ break;
+
+ string += c;
+ }
+
+ // Replace all '#' with ' ' and throw out non-printables
+ Common::String cleanString;
+
+ for (uint i = 0; i < string.size(); i++) {
+ if (string[i] == '#')
+ cleanString += ' ';
+ else if ((unsigned char)string[i] >= ' ')
+ cleanString += string[i];
+ }
+
+ return cleanString;
+}
+
+int TXTFile::getInt(Common::SeekableReadStream &txt) {
+ // Skip all [^-0-9]
+ while (!txt.eos()) {
+ char c = txt.readByte();
+ if (txt.eos())
+ break;
+
+ if ((c == '-') || ((c >= '0') && (c <= '9'))) {
+ txt.seek(-1, SEEK_CUR);
+ break;
+ }
+ }
+
+ if (txt.eos())
+ return 0;
+
+ // Read until [^-0-9]
+ Common::String string;
+ while (!txt.eos()) {
+ char c = txt.readByte();
+ if ((c != '-') && ((c < '0') || (c > '9')))
+ break;
+
+ string += c;
+ }
+
+ // Convert to integer
+ return atoi(string.c_str());
+}
+
+} // End of namespace Gob
diff --git a/engines/gob/pregob/txtfile.h b/engines/gob/pregob/txtfile.h
new file mode 100644
index 0000000000..c623b58859
--- /dev/null
+++ b/engines/gob/pregob/txtfile.h
@@ -0,0 +1,91 @@
+/* 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.
+ *
+ */
+
+#ifndef GOB_PREGOB_TXTFILE_H
+#define GOB_PREGOB_TXTFILE_H
+
+#include "common/system.h"
+#include "common/str.h"
+#include "common/array.h"
+
+#include "gob/backbuffer.h"
+
+namespace Common {
+ class SeekableReadStream;
+}
+
+namespace Gob {
+
+class Surface;
+class Font;
+
+class TXTFile : public BackBuffer {
+public:
+ enum Format {
+ kFormatString,
+ kFormatStringPosition,
+ kFormatStringPositionColor,
+ kFormatStringPositionColorFont
+ };
+
+ struct Line {
+ Common::String text;
+ int x, y;
+ int color;
+ uint font;
+ };
+
+ typedef Common::Array<Line> LineArray;
+
+ TXTFile(Common::SeekableReadStream &txt, Format format);
+ ~TXTFile();
+
+ LineArray &getLines();
+
+ bool draw( Surface &surface, const Font * const *fonts, uint fontCount, int color = -1);
+ bool draw(uint line, Surface &surface, const Font * const *fonts, uint fontCount, int color = -1);
+
+ bool draw( Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom,
+ const Font * const *fonts, uint fontCount, int color = -1);
+ bool draw(uint line, Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom,
+ const Font * const *fonts, uint fontCount, int color = -1);
+
+ bool clear(Surface &surface, int16 &left, int16 &top, int16 &right, int16 &bottom);
+
+private:
+ LineArray _lines;
+
+ void load(Common::SeekableReadStream &txt, Format format);
+
+ Common::String getStr(Common::SeekableReadStream &txt);
+ int getInt(Common::SeekableReadStream &txt);
+
+
+ bool getArea( int16 &left, int16 &top, int16 &right, int16 &bottom,
+ const Font * const *fonts, uint fontCount) const;
+ bool getArea(uint line, int16 &left, int16 &top, int16 &right, int16 &bottom,
+ const Font * const *fonts, uint fontCount) const;
+};
+
+} // End of namespace Gob
+
+#endif // GOB_PREGOB_TXTFILE_H