diff options
Diffstat (limited to 'engines/zvision/scripting/effects/ttytext_effect.cpp')
| -rw-r--r-- | engines/zvision/scripting/effects/ttytext_effect.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/engines/zvision/scripting/effects/ttytext_effect.cpp b/engines/zvision/scripting/effects/ttytext_effect.cpp new file mode 100644 index 0000000000..c60b3aa8c5 --- /dev/null +++ b/engines/zvision/scripting/effects/ttytext_effect.cpp @@ -0,0 +1,174 @@ +/* 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 "zvision/scripting/effects/ttytext_effect.h" + +#include "zvision/zvision.h" +#include "zvision/scripting/script_manager.h" +#include "zvision/graphics/render_manager.h" +#include "zvision/text/text.h" + +#include "common/stream.h" +#include "common/file.h" + +namespace ZVision { + +ttyTextNode::ttyTextNode(ZVision *engine, uint32 key, const Common::String &file, const Common::Rect &r, int32 delay) : + ScriptingEffect(engine, key, SCRIPTING_EFFECT_TTYTXT), + _fnt(engine) { + _delay = delay; + _r = r; + _txtpos = 0; + _nexttime = 0; + _dx = 0; + _dy = 0; + + Common::File *infile = _engine->getSearchManager()->openFile(file); + if (infile) { + while (!infile->eos()) { + Common::String asciiLine = readWideLine(*infile); + if (asciiLine.empty()) { + continue; + } + _txtbuf += asciiLine; + } + + delete infile; + } + _img.create(_r.width(), _r.height(), _engine->_resourcePixelFormat); + _style._sharp = true; + _style.readAllStyle(_txtbuf); + _style.setFont(_fnt); + _engine->getScriptManager()->setStateValue(_key, 1); +} + +ttyTextNode::~ttyTextNode() { + _engine->getScriptManager()->setStateValue(_key, 2); + _img.free(); +} + +bool ttyTextNode::process(uint32 deltaTimeInMillis) { + _nexttime -= deltaTimeInMillis; + + if (_nexttime < 0) { + if (_txtpos < _txtbuf.size()) { + if (_txtbuf[_txtpos] == '<') { + int32 strt = _txtpos; + int32 endt = 0; + int16 ret = 0; + while (_txtbuf[_txtpos] != '>' && _txtpos < _txtbuf.size()) + _txtpos++; + endt = _txtpos; + if (strt != -1) + if ((endt - strt - 1) > 0) + ret = _style.parseStyle(_txtbuf.c_str() + strt + 1, endt - strt - 1); + + if (ret & (TXT_RET_FNTCHG | TXT_RET_FNTSTL | TXT_RET_NEWLN)) { + if (ret & TXT_RET_FNTCHG) + _style.setFont(_fnt); + if (ret & TXT_RET_FNTSTL) + _style.setFontStyle(_fnt); + + if (ret & TXT_RET_NEWLN) + newline(); + } + + if (ret & TXT_RET_HASSTBOX) { + Common::String buf; + buf = Common::String::format("%d", _engine->getScriptManager()->getStateValue(_style._statebox)); + + for (uint8 j = 0; j < buf.size(); j++) + outchar(buf[j]); + } + + _txtpos++; + } else { + int8 charsz = getUtf8CharSize(_txtbuf[_txtpos]); + + uint16 chr = readUtf8Char(_txtbuf.c_str() + _txtpos); + + if (chr == ' ') { + uint32 i = _txtpos + charsz; + uint16 width = _fnt.getCharWidth(chr); + + while (i < _txtbuf.size() && _txtbuf[i] != ' ' && _txtbuf[i] != '<') { + + int8 chsz = getUtf8CharSize(_txtbuf[i]); + uint16 uchr = readUtf8Char(_txtbuf.c_str() + _txtpos); + + width += _fnt.getCharWidth(uchr); + + i += chsz; + } + + if (_dx + width > _r.width()) + newline(); + else + outchar(chr); + } else + outchar(chr); + + _txtpos += charsz; + } + _nexttime = _delay; + _engine->getRenderManager()->blitSurfaceToBkg(_img, _r.left, _r.top); + } else + return stop(); + } + + return false; +} + +void ttyTextNode::scroll() { + int32 scrl = 0; + while (_dy - scrl > _r.height() - _fnt.getFontHeight()) + scrl += _fnt.getFontHeight(); + int8 *pixels = (int8 *)_img.getPixels(); + for (uint16 h = scrl; h < _img.h; h++) + memcpy(pixels + _img.pitch * (h - scrl), pixels + _img.pitch * h, _img.pitch); + + _img.fillRect(Common::Rect(0, _img.h - scrl, _img.w, _img.h), 0); + _dy -= scrl; +} + +void ttyTextNode::newline() { + _dy += _fnt.getFontHeight(); + _dx = 0; +} + +void ttyTextNode::outchar(uint16 chr) { + uint32 clr = _engine->_resourcePixelFormat.RGBToColor(_style._red, _style._green, _style._blue); + + if (_dx + _fnt.getCharWidth(chr) > _r.width()) + newline(); + + if (_dy + _fnt.getFontHeight() >= _r.height()) + scroll(); + + _fnt.drawChar(&_img, chr, _dx, _dy, clr); + + _dx += _fnt.getCharWidth(chr); +} + +} // End of namespace ZVision |