scummvm/engines/sherlock/tattoo/widget_credits.cpp
2016-10-09 14:59:58 +02:00

217 lines
7.9 KiB
C++

/* 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 "sherlock/tattoo/widget_credits.h"
#include "sherlock/tattoo/tattoo.h"
namespace Sherlock {
namespace Tattoo {
WidgetCredits::WidgetCredits(SherlockEngine *vm) : _vm(vm) {
_creditSpeed = 4;
_creditsActive = false;
}
void WidgetCredits::initCredits() {
Resources &res = *_vm->_res;
Screen &screen = *_vm->_screen;
Common::SeekableReadStream *stream = res.load("credits.txt");
int spacing = screen.fontHeight() * 2;
int yp = screen.height();
_creditsActive = true;
_creditLines.clear();
while (stream->pos() < stream->size()) {
Common::String line = stream->readLine();
if (line.hasPrefix("Scroll Speed")) {
const char *p = line.c_str() + 12;
while ((*p < '0') || (*p > '9'))
p++;
_creditSpeed = atoi(p);
} else if (line.hasPrefix("Y Spacing")) {
const char *p = line.c_str() + 12;
while ((*p < '0') || (*p > '9'))
p++;
spacing = atoi(p) + screen.fontHeight() + 1;
} else {
int width = screen.stringWidth(line) + 2;
_creditLines.push_back(CreditLine(line, Common::Point((screen.width() - width) / 2 + 1, yp), width));
yp += spacing;
}
}
// Post-processing for finding split lines
for (int l = 0; l < (int)_creditLines.size(); ++l) {
CreditLine &cl = _creditLines[l];
const char *p = strchr(cl._line.c_str(), '-');
if (p != nullptr && p[1] == '>') {
cl._line2 = Common::String(p + 3);
cl._line = Common::String(cl._line.c_str(), p);
int width = cl._width;
int width1 = screen.stringWidth(cl._line);
int width2 = screen.stringWidth(cl._line2);
int c = 1;
for (int l1 = l + 1; l1 < (int)_creditLines.size(); ++l1) {
if ((p = strchr(_creditLines[l1]._line.c_str(), '-')) != nullptr) {
if (p[1] == '>') {
Common::String line1 = Common::String(_creditLines[l1]._line.c_str(), p);
Common::String line2 = Common::String(p + 3);
width1 = MAX(width1, screen.stringWidth(line1));
if (screen.stringWidth(line2) > width2)
width2 = screen.stringWidth(line2);
++c;
} else {
break;
}
} else {
break;
}
}
width = width1 + width2 + screen.widestChar();
width1 += screen.widestChar();
for (int l1 = l; l1 < l + c; ++l1) {
_creditLines[l1]._width = width;
_creditLines[l1]._xOffset = width1;
}
l += c - 1;
}
}
delete stream;
}
void WidgetCredits::close() {
_creditsActive = false;
_creditLines.clear();
}
void WidgetCredits::drawCredits() {
Screen &screen = *_vm->_screen;
Common::Rect screenRect(0, 0, screen.width(), screen.height());
Surface &bb1 = screen._backBuffer1;
for (uint idx = 0; idx < _creditLines.size() && _creditLines[idx]._position.y < screen.height(); ++idx) {
if (screenRect.contains(_creditLines[idx]._position)) {
if (!_creditLines[idx]._line2.empty()) {
int x1 = _creditLines[idx]._position.x;
int x2 = x1 + _creditLines[idx]._xOffset;
const Common::String &line1 = _creditLines[idx]._line;
const Common::String &line2 = _creditLines[idx]._line2;
bb1.writeString(line1, Common::Point(x1 - 1, _creditLines[idx]._position.y - 1), 0);
bb1.writeString(line1, Common::Point(x1, _creditLines[idx]._position.y - 1), 0);
bb1.writeString(line1, Common::Point(x1 + 1, _creditLines[idx]._position.y - 1), 0);
bb1.writeString(line1, Common::Point(x1 - 1, _creditLines[idx]._position.y), 0);
bb1.writeString(line1, Common::Point(x1 + 1, _creditLines[idx]._position.y), 0);
bb1.writeString(line1, Common::Point(x1 - 1, _creditLines[idx]._position.y + 1), 0);
bb1.writeString(line1, Common::Point(x1, _creditLines[idx]._position.y + 1), 0);
bb1.writeString(line1, Common::Point(x1 + 1, _creditLines[idx]._position.y + 1), 0);
bb1.writeString(line1, Common::Point(x1, _creditLines[idx]._position.y), INFO_TOP);
bb1.writeString(line2, Common::Point(x2 - 1, _creditLines[idx]._position.y - 1), 0);
bb1.writeString(line2, Common::Point(x2, _creditLines[idx]._position.y - 1), 0);
bb1.writeString(line2, Common::Point(x2 + 1, _creditLines[idx]._position.y - 1), 0);
bb1.writeString(line2, Common::Point(x2 - 1, _creditLines[idx]._position.y), 0);
bb1.writeString(line2, Common::Point(x2 + 1, _creditLines[idx]._position.y), 0);
bb1.writeString(line2, Common::Point(x2 - 1, _creditLines[idx]._position.y + 1), 0);
bb1.writeString(line2, Common::Point(x2, _creditLines[idx]._position.y + 1), 0);
bb1.writeString(line2, Common::Point(x2 + 1, _creditLines[idx]._position.y + 1), 0);
bb1.writeString(line2, Common::Point(x2, _creditLines[idx]._position.y), INFO_TOP);
} else {
bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x - 1, _creditLines[idx]._position.y - 1), 0);
bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x, _creditLines[idx]._position.y - 1), 0);
bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x + 1, _creditLines[idx]._position.y - 1), 0);
bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x - 1, _creditLines[idx]._position.y), 0);
bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x + 1, _creditLines[idx]._position.y), 0);
bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x - 1, _creditLines[idx]._position.y + 1), 0);
bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x, _creditLines[idx]._position.y + 1), 0);
bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x + 1, _creditLines[idx]._position.y + 1), 0);
bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x, _creditLines[idx]._position.y), INFO_TOP);
}
}
}
}
void WidgetCredits::blitCredits() {
Screen &screen = *_vm->_screen;
Common::Rect screenRect(0, -_creditSpeed, screen.width(), screen.height() + _creditSpeed);
for (uint idx = 0; idx < _creditLines.size(); ++idx) {
if (screenRect.contains(_creditLines[idx]._position)) {
Common::Rect r(_creditLines[idx]._width, screen.fontHeight() + 2);
r.moveTo(_creditLines[idx]._position.x, _creditLines[idx]._position.y - 1);
screen.slamRect(r);
}
}
}
void WidgetCredits::eraseCredits() {
Screen &screen = *_vm->_screen;
Common::Rect screenRect(0, -_creditSpeed, screen.width(), screen.height() + _creditSpeed);
for (uint idx = 0; idx < _creditLines.size(); ++idx) {
if (screenRect.contains(_creditLines[idx]._position)) {
Common::Rect r(_creditLines[idx]._width, screen.fontHeight() + 3);
r.moveTo(_creditLines[idx]._position.x, _creditLines[idx]._position.y - 1 + _creditSpeed);
screen.restoreBackground(r);
screen.slamRect(r);
}
_creditLines[idx]._position.y -= _creditSpeed;
}
if (_creditLines[_creditLines.size() - 1]._position.y < -_creditSpeed) {
// Completely finished credits display. Note that the credits will still remain flagged as active,
// so that the user interface knows not to allow and standard scene interaction
_creditLines.clear();
}
}
} // End of namespace Tattoo
} // End of namespace Sherlock