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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/config-manager.h"
#include "mads/mads.h"
#include "mads/screen.h"
#include "mads/msurface.h"
#include "mads/nebular/dialogs_nebular.h"
namespace MADS {
Dialog::Dialog(MADSEngine *vm): _vm(vm), _savedSurface(nullptr),
_position(Common::Point(-1, -1)), _width(0), _height(0) {
TEXTDIALOG_CONTENT1 = 0XF8;
TEXTDIALOG_CONTENT2 = 0XF9;
TEXTDIALOG_EDGE = 0XFA;
TEXTDIALOG_BACKGROUND = 0XFB;
TEXTDIALOG_FC = 0XFC;
TEXTDIALOG_FD = 0XFD;
TEXTDIALOG_FE = 0XFE;
TEXTDIALOG_BLACK = 0;
}
Dialog::~Dialog() {
}
void Dialog::save() {
_savedSurface = new MSurface(_width, _height);
_vm->_screen.copyTo(_savedSurface,
Common::Rect(_position.x, _position.y, _position.x + _width, _position.y + _height),
Common::Point());
_vm->_screen.copyRectToScreen(getBounds());
}
void Dialog::restore() {
if (_savedSurface) {
_savedSurface->copyTo(&_vm->_screen, _position);
delete _savedSurface;
_savedSurface = nullptr;
_vm->_screen.copyRectToScreen(getBounds());
Common::copy(&_dialogPalette[0], &_dialogPalette[8 * 3],
&_vm->_palette->_mainPalette[248 * 3]);
_vm->_palette->setPalette(_vm->_palette->_mainPalette, 248, 8);
}
}
void Dialog::draw() {
// Calculate the dialog positioning
calculateBounds();
// Save the screen portion the dialog will overlap
save();
setDialogPalette();
// Draw the dialog
// Fill entire content of dialog
Common::Rect bounds = getBounds();
_vm->_screen.fillRect(bounds, TEXTDIALOG_BACKGROUND);
// Draw the outer edge lines
_vm->_screen.hLine(_position.x + 1, _position.y + _height - 2,
_position.x + _width - 2, TEXTDIALOG_EDGE);
_vm->_screen.hLine(_position.x, _position.y + _height - 1,
_position.x + _width - 1, TEXTDIALOG_EDGE);
_vm->_screen.vLine(_position.x + _width - 2, _position.y + 2,
_position.y + _height - 2, TEXTDIALOG_EDGE);
_vm->_screen.vLine(_position.x + _width - 1, _position.y + 1,
_position.y + _height - 1, TEXTDIALOG_EDGE);
// Draw the gravelly dialog content
drawContent(Common::Rect(_position.x + 2, _position.y + 2,
_position.x + _width - 2, _position.y + _height - 2), 0,
TEXTDIALOG_CONTENT1, TEXTDIALOG_CONTENT2);
}
void Dialog::setDialogPalette() {
// Save the high end of the palette, and set up the entries for dialog display
Common::copy(&_vm->_palette->_mainPalette[TEXTDIALOG_CONTENT1 * 3],
&_vm->_palette->_mainPalette[TEXTDIALOG_CONTENT1 * 3 + 8 * 3],
&_dialogPalette[0]);
Palette::setGradient(_vm->_palette->_mainPalette, TEXTDIALOG_CONTENT1, 2, 0x90, 0x80);
Palette::setGradient(_vm->_palette->_mainPalette, TEXTDIALOG_EDGE, 2, 0x9C, 0x70);
Palette::setGradient(_vm->_palette->_mainPalette, TEXTDIALOG_FC, 2, 0x90, 0x80);
Palette::setGradient(_vm->_palette->_mainPalette, TEXTDIALOG_FE, 1, 0xDC, 0xDC);
_vm->_palette->setPalette(_vm->_palette->_mainPalette + (TEXTDIALOG_CONTENT1 * 3),
TEXTDIALOG_CONTENT1, 8);
}
void Dialog::calculateBounds() {
}
void Dialog::drawContent(const Common::Rect &r, int seed, byte color1, byte color2) {
uint16 currSeed = seed ? seed : 0xB78E;
for (int yp = 0; yp < r.height(); ++yp) {
byte *destP = _vm->_screen.getBasePtr(r.left, r.top + yp);
for (int xp = 0; xp < r.width(); ++xp) {
uint16 seedAdjust = currSeed;
currSeed += 0x181D;
seedAdjust = (seedAdjust >> 9) | ((seedAdjust & 0x1ff) << 7);
currSeed ^= seedAdjust;
seedAdjust = (seedAdjust >> 3) | ((seedAdjust & 7) << 13);
currSeed += seedAdjust;
*destP++ = (currSeed & 0x10) ? color2 : color1;
}
}
}
/*------------------------------------------------------------------------*/
TextDialog::TextDialog(MADSEngine *vm, const Common::String &fontName,
const Common::Point &pos, int maxChars):
Dialog(vm) {
_vm = vm;
_font = _vm->_font->getFont(fontName);
_position = pos;
_vm->_font->setColors(TEXTDIALOG_BLACK, TEXTDIALOG_BLACK, TEXTDIALOG_BLACK, TEXTDIALOG_BLACK);
_innerWidth = (_font->maxWidth() + 1) * maxChars;
_width = _innerWidth + 10;
_lineSize = maxChars * 2;
_lineWidth = 0;
_currentX = 0;
_numLines = 0;
Common::fill(&_lineXp[0], &_lineXp[TEXT_DIALOG_MAX_LINES], 0);
_askLineNum = -1;
_askXp = 0;
}
TextDialog::~TextDialog() {
}
void TextDialog::addLine(const Common::String &line, bool underline) {
if (_lineWidth > 0 || _currentX > 0)
incNumLines();
int stringWidth = _font->getWidth(line, 1);
if (stringWidth >= _innerWidth || (int)line.size() >= _lineSize) {
wordWrap(line);
} else {
_lineXp[_numLines] = (_innerWidth / 2) - (stringWidth / 2);
_lines[_numLines] = line;
if (underline)
underlineLine();
}
incNumLines();
}
void TextDialog::underlineLine() {
_lineXp[_numLines] |= 0x80;
}
void TextDialog::downPixelLine() {
_lineXp[_numLines] |= 0x40;
}
void TextDialog::incNumLines() {
_lineWidth = 0;
_currentX = 0;
if (++_numLines == TEXT_DIALOG_MAX_LINES)
error("Exceeded text dialog line max");
}
void TextDialog::wordWrap(const Common::String &line) {
Common::String tempLine;
if (!line.empty()) {
const char *srcP = line.c_str();
do {
tempLine = "";
bool endWord = false;
bool newLine = false;
bool continueFlag = true;
do {
if (!*srcP) {
continueFlag = false;
} else {
tempLine += *srcP;
if (*srcP == 10) {
continueFlag = false;
newLine = true;
++srcP;
tempLine.deleteLastChar();
} else if (*srcP == ' ') {
++srcP;
endWord = true;
} else if (!endWord) {
++srcP;
} else {
tempLine.deleteLastChar();
continueFlag = false;
}
}
} while (continueFlag);
if (tempLine.hasSuffix(" "))
tempLine.deleteLastChar();
Common::String tempLine2;
if (_currentX > 0)
tempLine2 += ' ';
tempLine2 += tempLine;
int lineWidth = _font->getWidth(tempLine2, 1);
if (((_currentX + (int)tempLine2.size()) > _lineSize) ||
((_lineWidth + lineWidth) > _innerWidth)) {
incNumLines();
appendLine(tempLine);
} else {
appendLine(tempLine2);
}
if (newLine)
incNumLines();
} while (*srcP);
}
}
void TextDialog::appendLine(const Common::String &line) {
_currentX += line.size();
_lineWidth += _font->getWidth(line, 1) + 1;
_lines[_numLines] += line;
}
void TextDialog::addInput() {
_askXp = _currentX + 1;
_askLineNum = _numLines;
incNumLines();
}
void TextDialog::addBarLine() {
if (_lineWidth > 0 || _currentX > 0)
incNumLines();
_lineXp[_numLines] = 0xFF;
incNumLines();
}
void TextDialog::setLineXp(int xp) {
_lineXp[_numLines] = xp;
}
void TextDialog::draw() {
if (!_lineWidth)
--_numLines;
// Figure out the size and position for the dialog
calculateBounds();
// Draw the underlying dialog
Dialog::draw();
// Draw the text lines
int lineYp = _position.y + 5;
for (int lineNum = 0; lineNum <= _numLines; ++lineNum) {
if (_lineXp[lineNum] == -1) {
// Draw a line across the entire dialog
_vm->_screen.hLine(_position.x + 2,
lineYp + (_font->getHeight() + 1) / 2,
_position.x + _width - 4, TEXTDIALOG_BLACK);
} else {
// Draw a text line
int xp = (_lineXp[lineNum] & 0x7F) + _position.x + 5;
int yp = lineYp;
if (_lineXp[lineNum] & 0x40)
++yp;
_font->writeString(&_vm->_screen, _lines[lineNum],
Common::Point(xp, yp), 1);
if (_lineXp[lineNum] & 0x80) {
// Draw an underline under the text
int lineWidth = _font->getWidth(_lines[lineNum], 1);
_vm->_screen.hLine(xp, yp + _font->getHeight(), xp + lineWidth,
TEXTDIALOG_BLACK);
}
}
lineYp += _font->getHeight() + 1;
}
_vm->_screen.copyRectToScreen(getBounds());
}
void TextDialog::calculateBounds() {
_height = (_font->getHeight() + 1) * (_numLines + 1) + 10;
if (_position.x == -1)
_position.x = 160 - (_width / 2);
if (_position.y == -1)
_position.y = 100 - (_height / 2);
if ((_position.x + _width) > _vm->_screen.getWidth())
_position.x = _vm->_screen.getWidth() - (_position.x + _width);
if ((_position.y + _height) > _vm->_screen.getHeight())
_position.y = _vm->_screen.getHeight() - (_position.y + _height);
}
void TextDialog::drawWithInput() {
//int innerWidth = _innerWidth;
//int lineHeight = _font->getHeight() + 1;
//int xp = _position.x + 5;
// Draw the content of the dialog
drawContent(Common::Rect(_position.x + 2, _position.y + 2,
_position.x + _width - 2, _position.y + _height - 2), 0,
TEXTDIALOG_CONTENT1, TEXTDIALOG_CONTENT2);
error("TODO: drawWithInput");
}
void TextDialog::show() {
// Draw the dialog
draw();
_vm->_events->showCursor();
// Wait for mouse click
do {
_vm->_events->waitForNextFrame();
} while (!_vm->shouldQuit() && !_vm->_events->isKeyPressed() && !_vm->_events->_mouseReleased);
// Allow the mouse release or keypress to be gobbled up
if (!_vm->shouldQuit()) {
_vm->_events->waitForNextFrame();
_vm->_events->_pendingKeys.clear();
}
// Restore the background
restore();
}
/*------------------------------------------------------------------------*/
MessageDialog::MessageDialog(MADSEngine *vm, int maxChars, ...):
TextDialog(vm, FONT_INTERFACE, Common::Point(-1, -1), maxChars) {
// Add in passed line list
va_list va;
va_start(va, maxChars);
const char *line = va_arg(va, const char *);
while (line) {
addLine(line);
line = va_arg(va, const char *);
}
va_end(va);
}
/*------------------------------------------------------------------------*/
Dialogs *Dialogs::init(MADSEngine *vm) {
if (vm->getGameID() == GType_RexNebular)
return new Nebular::DialogsNebular(vm);
// Throw a warning for now, since the associated Dialogs class isn't implemented yet
warning("Dialogs: Unknown game");
// HACK: Reuse the implemented Nebular dialogs for now, to avoid crashing later on
return new Nebular::DialogsNebular(vm);
}
Dialogs::Dialogs(MADSEngine *vm): _vm(vm) {
_pendingDialog = DIALOG_NONE;
}
} // End of namespace MADS
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