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#include <QtWidgets>#include "window.h"#include "movementtransition.h"
Window::Window()
{
pX =5;
pY =5;
QFontDatabase database;
QFont font;
if (database.families().contains("Monospace")) {
font =QFont("Monospace");
}
else {
foreach (QString family, database.families()) {
if (database.isFixedPitch(family)) {
font =QFont(family);
break;
}
}
}
font.setPointSize(12);
setFont(font);
setupMap();
buildMachine();
}
void Window::setStatus(constQString&status)
{
myStatus = status;
repaint();
}
QString Window::status() const
{
return myStatus;
}
void Window::paintEvent(QPaintEvent*/* event */)
{
QFontMetrics metrics(font());
QPainter painter(this);
int fontHeight = metrics.height();
int fontWidth = metrics.horizontalAdvance('X');
int yPos = fontHeight;
int xPos;
painter.fillRect(rect(),Qt::black);
painter.setPen(Qt::white);
painter.drawText(QPoint(0, yPos), status());
for (int y =0; y < HEIGHT; ++y) {
yPos += fontHeight;
xPos =0;
for (int x =0; x < WIDTH; ++x) {
if (y == pY && x == pX) {
xPos += fontWidth;
continue;
}
painter.setPen(Qt::white);
double x1 =static_cast<double>(pX);
double y1 =static_cast<double>(pY);
double x2 =static_cast<double>(x);
double y2 =static_cast<double>(y);
if (x2<x1) {
x2+=0.5;
} elseif (x2>x1) {
x2-=0.5;
}
if (y2<y1) {
y2+=0.5;
} elseif (y2>y1) {
y2-=0.5;
}
double dx = x2 - x1;
double dy = y2 - y1;
double length =qSqrt(dx*dx+dy*dy);
dx /= length;
dy /= length;
double xi = x1;
double yi = y1;
while (length >0) {
int cx =static_cast<int>(xi+0.5);
int cy =static_cast<int>(yi+0.5);
if (x2 == cx && y2 == cy)
break;
if (!(x1==cx && y1==cy)
&& (map[cx][cy]=='#'|| (length-10) >0)) {
painter.setPen(QColor(60,60,60));
break;
}
xi += dx;
yi += dy;
--length;
}
painter.drawText(QPoint(xPos, yPos), map[x][y]);
xPos += fontWidth;
}
}
painter.setPen(Qt::white);
painter.drawText(QPoint(pX * fontWidth, (pY +2) * fontHeight),QChar('@'));
}
QSize Window::sizeHint() const
{
QFontMetrics metrics(font());
returnQSize(metrics.horizontalAdvance('X') * WIDTH, metrics.height() * (HEIGHT +1));
}
void Window::buildMachine()
{
machine =newQStateMachine;
QState*inputState =newQState(machine);
inputState->assignProperty(this,"status","Move the rogue with 2, 4, 6, and 8");
MovementTransition *transition =new MovementTransition(this);
inputState->addTransition(transition);
QState*quitState =newQState(machine);
quitState->assignProperty(this,"status","Really quit(y/n)?");
QKeyEventTransition*yesTransition =newQKeyEventTransition(this,QEvent::KeyPress,Qt::Key_Y);
yesTransition->setTargetState(newQFinalState(machine));
quitState->addTransition(yesTransition);
QKeyEventTransition*noTransition =newQKeyEventTransition(this,QEvent::KeyPress,Qt::Key_N);
noTransition->setTargetState(inputState);
quitState->addTransition(noTransition);
QKeyEventTransition*quitTransition =newQKeyEventTransition(this,QEvent::KeyPress,Qt::Key_Q);
quitTransition->setTargetState(quitState);
inputState->addTransition(quitTransition);
machine->setInitialState(inputState);
connect(machine, SIGNAL(finished()),qApp, SLOT(quit()));
machine->start();
}
void Window::movePlayer(Direction direction)
{
switch (direction) {
case Left:
if (map[pX -1][pY]!='#')
--pX;
break;
case Right:
if (map[pX +1][pY]!='#')
++pX;
break;
case Up:
if (map[pX][pY -1]!='#')
--pY;
break;
case Down:
if (map[pX][pY +1]!='#')
++pY;
break;
}
repaint();
}
void Window::setupMap()
{
for (int x =0; x < WIDTH; ++x)
for (int y =0; y < HEIGHT; ++y) {
if (x ==0|| x == WIDTH -1|| y ==0|| y == HEIGHT -1||QRandomGenerator::global()->bounded(40) ==0)
map[x][y]='#';
else
map[x][y]='.';
}
}
