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/**
* TDDD86 Robots
* This file contains the implementation of the mainwindow class.
* See mainwindow.h for comments about each member.
*/
#include <algorithm>
#include "mainwindow.h"
#include "Hero.h"
#include "Robot.h"
#include "Junk.h"
MainWindow::MainWindow(QWidget *parent) :
QWidget(parent) {
// set default size and color
scene = new QGraphicsScene(0, 0, SCENE_WIDTH, SCENE_HEIGHT);
scene->setBackgroundBrush(QBrush(QColor(204, 192, 179)));
view = new QGraphicsView(scene);
// create the main layout
mainLayout = new QVBoxLayout();
setLayout(mainLayout);
// add game board to layout
mainLayout->insertWidget(0, view);
// start new game and draw state
gameState.draw(scene);
// create label layout
labelLayout = new QHBoxLayout();
// create the score widget
scoreLabel = new QLabel(QString("SCORE: %1").arg(score));
scoreLabel->setStyleSheet("QLabel { color: rgb(235,224,214); font: 16pt; }");
scoreLabel->setFixedHeight(35);
// create the level widget
levelLabel = new QLabel(QString("LEVEL: %1").arg(level));
levelLabel->setStyleSheet("QLabel { color: rgb(235,224,214); font: 16pt; }");
levelLabel->setFixedHeight(35);
// add score and level widgets to board
labelLayout->insertWidget(0, levelLabel, 0, Qt::AlignLeft);
labelLayout->insertWidget(1, scoreLabel, 0, Qt::AlignRight);
mainLayout->insertLayout(1, labelLayout);
// style sheet of the game board
setStyleSheet("MainWindow { background-color: rgb(187,173,160) }");
// no resizing of game window
setFixedSize(sizeHint());
connect(gameOverWindow.getResetBtn(), SIGNAL(clicked()), this, SLOT(resetGame()));
}
MainWindow::~MainWindow() {
delete scoreLabel;
delete levelLabel;
delete labelLayout;
delete scene;
delete view;
delete mainLayout;
}
/*
* Listens to key press events from the graphical subsystem,
* and handles the events appropriately:
* - '[n]' moves hero in direction [n],
* where n = 1, 2, 3, 4, 6, 7, 8, 9 on the numeric keypad
* - '5' on the numeric keypad makes the hero wait one turn
* - 'T' teleports hero
*/
void MainWindow::keyPressEvent(QKeyEvent *e)
{
if (!gameOver) { // only process key presses while game is not over
Hero hero = gameState.getHero();
Point pt = hero.asPoint();
bool actionTaken = false;
bool waiting = false;
if (e->modifiers() == Qt::KeypadModifier) {
switch (e->key()) {
case Qt::Key_1:
actionTaken = tryMove(hero, Point{pt.x - 1, pt.y + 1});
break;
case Qt::Key_2:
actionTaken = tryMove(hero, Point{pt.x, pt.y + 1});
break;
case Qt::Key_3:
actionTaken = tryMove(hero, Point{pt.x + 1, pt.y + 1});
break;
case Qt::Key_4:
actionTaken = tryMove(hero, Point{pt.x - 1, pt.y});
break;
case Qt::Key_6:
actionTaken = tryMove(hero, Point{pt.x + 1, pt.y});
break;
case Qt::Key_7:
actionTaken = tryMove(hero, Point{pt.x - 1, pt.y - 1});
break;
case Qt::Key_8:
actionTaken = tryMove(hero, Point{pt.x, pt.y - 1});
break;
case Qt::Key_9:
actionTaken = tryMove(hero, Point{pt.x + 1, pt.y - 1});
break;
case Qt::Key_5:
actionTaken = true;
waiting = true;
break;
default:
QWidget::keyPressEvent(e);
}
} else {
switch (e->key()) {
case Qt::Key_T:
gameState.teleportHero();
actionTaken = true;
break;
default:
QWidget::keyPressEvent(e);
}
}
if (actionTaken) { // process results of viable move
processMove(waiting);
}
} else { // game is over - do not process key press
QWidget::keyPressEvent(e);
}
}
/*
* Try to move hero to unit
*/
bool MainWindow::tryMove(Hero hero, const Point& point) {
if (!outsideBorder(point)) {
hero.moveTowards(point);
if (gameState.isSafe(hero)) {
gameState.moveHeroTowards(point);
return true;
}
}
return false;
}
/*
* Process results of viable move
*/
void MainWindow::processMove(bool waiting) {
gameState.moveRobots();
score += gameState.countCollisions() * (POINTS_PER_ROBOT +
(waiting ? WAIT_BONUS : 0));
gameState.draw(scene);
displayScore();
if (!gameState.anyRobotsLeft()) { // won level
numberOfRobots = std::min(MAX_ROBOTS, numberOfRobots + ROBOTS_INC);
gameState = GameState(numberOfRobots);
gameState.draw(scene);
++level;
displayLevel();
} else if (gameState.heroDead()) { // game over
gameOver = true;
gameOverWindow.show();
}
}
/*
* Is point outside of playing field?
*/
bool MainWindow::outsideBorder(Point const& point) const {
return point.x > MAX_X
|| point.y > MAX_Y
|| point.x < MIN_X
|| point.y < MIN_Y;
}
void MainWindow::displayScore() const {
scoreLabel->setText(QString("SCORE: %1").arg(score));
}
void MainWindow::displayLevel() const {
levelLabel->setText(QString("LEVEL: %1").arg(level));
}
void MainWindow::resetGame() {
score = 0;
level = 1;
numberOfRobots = MIN_ROBOTS;
gameState = GameState(numberOfRobots);
gameState.draw(scene);
displayScore();
displayLevel();
gameOver = false;
gameOverWindow.hide();
}
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