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586 lines
14 KiB
586 lines
14 KiB
#include <tqbitmap.h>
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#include <tqcheckbox.h>
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#include <tqlabel.h>
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#include <tqimage.h>
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#include <tqpixmapcache.h>
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#include <tqwhatsthis.h>
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#include <tdeapplication.h>
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#include <kcombobox.h>
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#include <tdeconfig.h>
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#include <knuminput.h>
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#include <kpixmapeffect.h>
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#include <kstandarddirs.h>
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#include "slope.h"
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Slope::Slope(TQRect rect, TQCanvas *canvas)
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: TQCanvasRectangle(rect, canvas), type(KImageEffect::VerticalGradient), grade(4), reversed(false), color(TQColor("#327501"))
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{
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stuckOnGround = false;
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showingInfo = false;
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gradientKeys[KImageEffect::VerticalGradient] = "Vertical";
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gradientKeys[KImageEffect::HorizontalGradient] = "Horizontal";
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gradientKeys[KImageEffect::DiagonalGradient] = "Diagonal";
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gradientKeys[KImageEffect::CrossDiagonalGradient] = "Opposite Diagonal";
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gradientKeys[KImageEffect::EllipticGradient] = "Elliptic";
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gradientI18nKeys[KImageEffect::VerticalGradient] = i18n("Vertical");
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gradientI18nKeys[KImageEffect::HorizontalGradient] = i18n("Horizontal");
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gradientI18nKeys[KImageEffect::DiagonalGradient] = i18n("Diagonal");
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gradientI18nKeys[KImageEffect::CrossDiagonalGradient] = i18n("Opposite Diagonal");
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gradientI18nKeys[KImageEffect::EllipticGradient] = i18n("Circular");
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setZ(-50);
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if (!TQPixmapCache::find("grass", grass))
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{
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grass.load(locate("appdata", "pics/grass.png"));
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TQPixmapCache::insert("grass", grass);
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}
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point = new RectPoint(color.light(), this, canvas);
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TQFont font(kapp->font());
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font.setPixelSize(18);
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text = new TQCanvasText(canvas);
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text->setZ(99999.99);
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text->setFont(font);
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text->setColor(white);
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editModeChanged(false);
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hideInfo();
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// this does updatePixmap
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setGradient("Vertical");
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}
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bool Slope::terrainCollisions() const
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{
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// we are a terrain collision
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return true;
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}
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void Slope::showInfo()
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{
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showingInfo = true;
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Arrow *arrow = 0;
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for (arrow = arrows.first(); arrow; arrow = arrows.next())
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{
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arrow->setZ(z() + .01);
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arrow->setVisible(true);
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}
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text->setVisible(true);
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}
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void Slope::hideInfo()
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{
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showingInfo = false;
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Arrow *arrow = 0;
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for (arrow = arrows.first(); arrow; arrow = arrows.next())
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arrow->setVisible(false);
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text->setVisible(false);
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}
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void Slope::aboutToDie()
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{
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delete point;
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clearArrows();
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delete text;
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}
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void Slope::clearArrows()
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{
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Arrow *arrow = 0;
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for (arrow = arrows.first(); arrow; arrow = arrows.next())
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{
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arrow->setVisible(false);
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arrow->aboutToDie();
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}
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arrows.setAutoDelete(true);
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arrows.clear();
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arrows.setAutoDelete(false);
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}
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TQPtrList<TQCanvasItem> Slope::moveableItems() const
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{
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TQPtrList<TQCanvasItem> ret;
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ret.append(point);
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return ret;
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}
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void Slope::setGrade(double newGrade)
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{
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if (newGrade >= 0 && newGrade < 11)
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{
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grade = newGrade;
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updatePixmap();
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}
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}
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void Slope::setSize(int width, int height)
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{
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newSize(width, height);
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}
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void Slope::newSize(int width, int height)
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{
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if (type == KImageEffect::EllipticGradient)
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{
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TQCanvasRectangle::setSize(width, width);
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// move point back to good spot
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moveBy(0, 0);
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if (game && game->isEditing())
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game->updateHighlighter();
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}
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else
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TQCanvasRectangle::setSize(width, height);
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updatePixmap();
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updateZ();
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}
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void Slope::moveBy(double dx, double dy)
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{
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TQCanvasRectangle::moveBy(dx, dy);
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point->dontMove();
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point->move(x() + width(), y() + height());
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moveArrow();
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updateZ();
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}
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void Slope::moveArrow()
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{
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int xavg = 0, yavg = 0;
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TQPointArray r = areaPoints();
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for (unsigned int i = 0; i < r.size(); ++i)
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{
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xavg += r[i].x();
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yavg += r[i].y();
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}
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xavg /= r.size();
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yavg /= r.size();
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Arrow *arrow = 0;
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for (arrow = arrows.first(); arrow; arrow = arrows.next())
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arrow->move((double)xavg, (double)yavg);
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if (showingInfo)
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showInfo();
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else
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hideInfo();
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text->move((double)xavg - text->boundingRect().width() / 2, (double)yavg - text->boundingRect().height() / 2);
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}
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void Slope::editModeChanged(bool changed)
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{
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point->setVisible(changed);
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moveBy(0, 0);
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}
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void Slope::updateZ(TQCanvasRectangle *vStrut)
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{
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const int area = (height() * width());
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const int defaultz = -50;
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double newZ = 0;
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TQCanvasRectangle *rect = 0;
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if (!stuckOnGround)
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rect = vStrut? vStrut : onVStrut();
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if (rect)
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{
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if (area > (rect->width() * rect->height()))
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newZ = defaultz;
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else
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newZ = rect->z();
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}
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else
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newZ = defaultz;
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setZ(((double)1 / (area == 0? 1 : area)) + newZ);
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}
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void Slope::load(TDEConfig *cfg)
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{
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stuckOnGround = cfg->readBoolEntry("stuckOnGround", stuckOnGround);
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grade = cfg->readDoubleNumEntry("grade", grade);
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reversed = cfg->readBoolEntry("reversed", reversed);
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// bypass updatePixmap which newSize normally does
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TQCanvasRectangle::setSize(cfg->readNumEntry("width", width()), cfg->readNumEntry("height", height()));
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updateZ();
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TQString gradientType = cfg->readEntry("gradient", gradientKeys[type]);
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setGradient(gradientType);
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}
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void Slope::save(TDEConfig *cfg)
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{
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cfg->writeEntry("reversed", reversed);
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cfg->writeEntry("width", width());
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cfg->writeEntry("height", height());
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cfg->writeEntry("gradient", gradientKeys[type]);
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cfg->writeEntry("grade", grade);
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cfg->writeEntry("stuckOnGround", stuckOnGround);
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}
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void Slope::draw(TQPainter &painter)
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{
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painter.drawPixmap(x(), y(), pixmap);
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}
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TQPointArray Slope::areaPoints() const
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{
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switch (type)
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{
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case KImageEffect::CrossDiagonalGradient:
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{
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TQPointArray ret(3);
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ret[0] = TQPoint((int)x(), (int)y());
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ret[1] = TQPoint((int)x() + width(), (int)y() + height());
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ret[2] = reversed? TQPoint((int)x() + width(), y()) : TQPoint((int)x(), (int)y() + height());
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return ret;
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}
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case KImageEffect::DiagonalGradient:
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{
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TQPointArray ret(3);
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ret[0] = TQPoint((int)x() + width(), (int)y());
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ret[1] = TQPoint((int)x(), (int)y() + height());
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ret[2] = !reversed? TQPoint((int)x() + width(), y() + height()) : TQPoint((int)x(), (int)y());
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return ret;
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}
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case KImageEffect::EllipticGradient:
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{
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TQPointArray ret;
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ret.makeEllipse((int)x(), (int)y(), width(), height());
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return ret;
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}
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default:
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return TQCanvasRectangle::areaPoints();
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}
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}
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bool Slope::collision(Ball *ball, long int /*id*/)
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{
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if (grade <= 0)
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return false;
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double vx = ball->xVelocity();
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double vy = ball->yVelocity();
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double addto = 0.013 * grade;
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const bool diag = type == KImageEffect::DiagonalGradient || type == KImageEffect::CrossDiagonalGradient;
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const bool circle = type == KImageEffect::EllipticGradient;
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double slopeAngle = 0;
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if (diag)
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slopeAngle = atan((double)width() / (double)height());
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else if (circle)
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{
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const TQPoint start(x() + (int)width() / 2.0, y() + (int)height() / 2.0);
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const TQPoint end((int)ball->x(), (int)ball->y());
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Vector betweenVector(start, end);
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const double factor = betweenVector.magnitude() / ((double)width() / 2.0);
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slopeAngle = betweenVector.direction();
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// this little bit by Daniel
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addto *= factor * M_PI / 2;
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addto = sin(addto);
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}
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switch (type)
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{
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case KImageEffect::HorizontalGradient:
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reversed? vx += addto : vx -= addto;
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break;
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case KImageEffect::VerticalGradient:
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reversed? vy += addto : vy -= addto;
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break;
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case KImageEffect::DiagonalGradient:
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case KImageEffect::EllipticGradient:
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reversed? vx += cos(slopeAngle) * addto : vx -= cos(slopeAngle) * addto;
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reversed? vy += sin(slopeAngle) * addto : vy -= sin(slopeAngle) * addto;
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break;
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case KImageEffect::CrossDiagonalGradient:
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reversed? vx -= cos(slopeAngle) * addto : vx += cos(slopeAngle) * addto;
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reversed? vy += sin(slopeAngle) * addto : vy -= sin(slopeAngle) * addto;
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break;
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default:
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break;
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}
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ball->setVelocity(vx, vy);
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// check if the ball is at the center of a pit or mound
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// or has otherwise stopped.
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if (vx == 0 && vy ==0)
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ball->setState(Stopped);
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else
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ball->setState(Rolling);
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// do NOT do terrain collisions
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return false;
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}
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void Slope::setGradient(TQString text)
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{
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for (TQMap<KImageEffect::GradientType, TQString>::Iterator it = gradientKeys.begin(); it != gradientKeys.end(); ++it)
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{
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if (it.data() == text)
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{
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setType(it.key());
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return;
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}
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}
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// extra forgiveness ;-) (note it's i18n keys)
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for (TQMap<KImageEffect::GradientType, TQString>::Iterator it = gradientI18nKeys.begin(); it != gradientI18nKeys.end(); ++it)
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{
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if (it.data() == text)
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{
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setType(it.key());
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return;
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}
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}
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}
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void Slope::setType(KImageEffect::GradientType type)
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{
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this->type = type;
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if (type == KImageEffect::EllipticGradient)
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{
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// calls updatePixmap
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newSize(width(), height());
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}
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else
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updatePixmap();
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}
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void Slope::updatePixmap()
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{
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// make a gradient, make grass that's bright or dim
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// merge into this->pixmap. This is drawn in draw()
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// we update the arrows in this function
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clearArrows();
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const bool diag = type == KImageEffect::DiagonalGradient || type == KImageEffect::CrossDiagonalGradient;
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const bool circle = type == KImageEffect::EllipticGradient;
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const TQColor darkColor = color.dark(100 + grade * (circle? 20 : 10));
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const TQColor lightColor = diag || circle? color.light(110 + (diag? 5 : .5) * grade) : color;
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// hack only for circles
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const bool _reversed = circle? !reversed : reversed;
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TQImage gradientImage = KImageEffect::gradient(TQSize(width(), height()), _reversed? darkColor : lightColor, _reversed? lightColor : darkColor, type);
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TQPixmap qpixmap(width(), height());
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TQPainter p(&qpixmap);
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p.drawTiledPixmap(TQRect(0, 0, width(), height()), grass);
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p.end();
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const double length = sqrt(width() * width() + height() * height()) / 4;
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if (circle)
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{
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const TQColor otherLightColor = color.light(110 + 15 * grade);
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const TQColor otherDarkColor = darkColor.dark(110 + 20 * grade);
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TQImage otherGradientImage = KImageEffect::gradient(TQSize(width(), height()), reversed? otherDarkColor : otherLightColor, reversed? otherLightColor : otherDarkColor, KImageEffect::DiagonalGradient);
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TQImage grassImage(qpixmap.convertToImage());
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TQImage finalGradientImage = KImageEffect::blend(otherGradientImage, gradientImage, .60);
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pixmap.convertFromImage(KImageEffect::blend(grassImage, finalGradientImage, .40));
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// make arrows
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double angle = 0;
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for (int i = 0; i < 4; ++i)
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{
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angle += M_PI / 2;
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Arrow *arrow = new Arrow(canvas());
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arrow->setLength(length);
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arrow->setAngle(angle);
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arrow->setReversed(reversed);
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arrow->updateSelf();
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arrows.append(arrow);
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}
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}
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else
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{
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Arrow *arrow = new Arrow(canvas());
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float ratio = 0;
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float factor = 1;
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double angle = 0;
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switch (type)
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{
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case KImageEffect::HorizontalGradient:
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angle = 0;
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factor = .32;
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break;
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case KImageEffect::VerticalGradient:
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angle = M_PI / 2;
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factor = .32;
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break;
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case KImageEffect::DiagonalGradient:
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angle = atan((double)width() / (double)height());
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factor = .45;
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break;
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case KImageEffect::CrossDiagonalGradient:
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angle = atan((double)width() / (double)height());
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angle = M_PI - angle;
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factor = .05;
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break;
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default:
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break;
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}
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float factorPart = factor * 2;
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// gradePart is out of 1
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float gradePart = grade / 8.0;
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ratio = factorPart * gradePart;
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// reverse the reversed ones
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if (reversed)
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ratio *= -1;
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else
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angle += M_PI;
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KPixmap kpixmap = qpixmap;
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(void) KPixmapEffect::intensity(kpixmap, ratio);
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TQImage grassImage(kpixmap.convertToImage());
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// okay, now we have a grass image that's
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// appropriately lit, and a gradient;
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// lets blend..
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pixmap.convertFromImage(KImageEffect::blend(gradientImage, grassImage, .42));
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arrow->setAngle(angle);
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arrow->setLength(length);
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arrow->updateSelf();
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arrows.append(arrow);
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}
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text->setText(TQString::number(grade));
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if (diag || circle)
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{
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// make cleared bitmap
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TQBitmap bitmap(pixmap.width(), pixmap.height(), true);
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TQPainter bpainter(&bitmap);
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bpainter.setBrush(color1);
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TQPointArray r = areaPoints();
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// shift all the points
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for (unsigned int i = 0; i < r.count(); ++i)
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{
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TQPoint &p = r[i];
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p.setX(p.x() - x());
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p.setY(p.y() - y());
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}
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bpainter.drawPolygon(r);
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// mask is drawn
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pixmap.setMask(bitmap);
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}
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moveArrow();
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update();
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}
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/////////////////////////
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SlopeConfig::SlopeConfig(Slope *slope, TQWidget *parent)
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: Config(parent)
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{
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this->slope = slope;
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TQVBoxLayout *layout = new TQVBoxLayout(this, marginHint(), spacingHint());
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KComboBox *gradient = new KComboBox(this);
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TQStringList items;
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TQString curText;
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for (TQMap<KImageEffect::GradientType, TQString>::Iterator it = slope->gradientI18nKeys.begin(); it != slope->gradientI18nKeys.end(); ++it)
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{
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if (it.key() == slope->curType())
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curText = it.data();
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items.append(it.data());
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}
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gradient->insertStringList(items);
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gradient->setCurrentText(curText);
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layout->addWidget(gradient);
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connect(gradient, TQ_SIGNAL(activated(const TQString &)), this, TQ_SLOT(setGradient(const TQString &)));
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layout->addStretch();
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TQCheckBox *reversed = new TQCheckBox(i18n("Reverse direction"), this);
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reversed->setChecked(slope->isReversed());
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layout->addWidget(reversed);
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connect(reversed, TQ_SIGNAL(toggled(bool)), this, TQ_SLOT(setReversed(bool)));
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TQHBoxLayout *hlayout = new TQHBoxLayout(layout, spacingHint());
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hlayout->addWidget(new TQLabel(i18n("Grade:"), this));
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KDoubleNumInput *grade = new KDoubleNumInput(this);
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grade->setRange(0, 8, 1, true);
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grade->setValue(slope->curGrade());
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hlayout->addWidget(grade);
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connect(grade, TQ_SIGNAL(valueChanged(double)), this, TQ_SLOT(gradeChanged(double)));
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TQCheckBox *stuck = new TQCheckBox(i18n("Unmovable"), this);
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TQWhatsThis::add(stuck, i18n("Whether or not this slope can be moved by other objects, like floaters."));
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stuck->setChecked(slope->isStuckOnGround());
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layout->addWidget(stuck);
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connect(stuck, TQ_SIGNAL(toggled(bool)), this, TQ_SLOT(setStuckOnGround(bool)));
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}
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void SlopeConfig::setGradient(const TQString &text)
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{
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slope->setGradient(text);
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changed();
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}
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void SlopeConfig::setReversed(bool yes)
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{
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slope->setReversed(yes);
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changed();
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}
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void SlopeConfig::setStuckOnGround(bool yes)
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{
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slope->setStuckOnGround(yes);
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changed();
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}
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void SlopeConfig::gradeChanged(double newgrade)
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{
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slope->setGrade(newgrade);
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changed();
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}
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#include "slope.moc"
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