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EditView.java
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EditView.java
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import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.Observable;
import java.util.Observer;
import java.util.Random;
import java.awt.geom.Rectangle2D;
// the editable view of the terrain and landing pad
public class EditView extends JPanel implements Observer {
GameModel model;
int draggingObject = 0; // LandingPad = 1, Terrain = 2, Default = 0;
int Ylowerbound;
int Xupperbound;
int peakID;
public EditView(GameModel model_) {
setFocusable(false);
model = model_;
Ylowerbound = (int)model.getWorldBounds().getMaxY();
Xupperbound = (int)model.getWorldBounds().getMaxX();
model.addObserver(this);
setBackground(Color.lightGray);
this.addMouseListener(new MouseAdapter(){
public void mouseClicked(MouseEvent e) {
System.out.print("Mouse Clicked @ " + e.getX() + ", " + e.getY() + "\n");
if (e.getClickCount() == 2){
model.setLandingPadPos(e.getX()-20,e.getY()-5, true);
repaint();
}
}
public void mouseDragged(MouseEvent e){
mouseDraggedHandler(e);
}
public void mouseReleased(MouseEvent e){
int x, y;
if (draggingObject == 1){
x = (int)e.getX()-20;
y = (int)e.getY()-5;
model.setNewXY(1, x, y, 0);
model.setLandingPadPos(x, y, true);
} else if ((draggingObject == 2)&&(peakID!=-1)){
y = model.getYP()[peakID];
model.setNewXY(2, 0, y, peakID);
model.setYP(peakID, y, true);
}
draggingObject = 0;
System.out.print("Now dragging nothing \n");
}
});
this.addMouseMotionListener(new MouseAdapter(){
public void mouseDragged(MouseEvent e){
mouseDraggedHandler(e);
}
});
}
@Override
public void update(Observable o, Object arg) {
repaint();
}
public void mouseDraggedHandler(MouseEvent e){
peakID = peak_hit_test(e.getX(),e.getY());
if ((draggingObject != 2) &&
(model.LandingPadHittest(e.getX(),e.getY()))){
// LandingPad dragging handler
// cannot drag landing pad when dragging terrain
if (draggingObject == 0){
model.setLastXY(1, model.getLandingPadX(), model.getLandingPadY(), 0);
}
draggingObject = 1;
double preciseX = e.getX() - 20;
double preciseY = e.getY() - 5;
if (preciseY+10 > Ylowerbound){
preciseY = Ylowerbound-10;
}
if (preciseY < 0){
preciseY = 0;
}
if (preciseX < 0) {
preciseX = 0;
}
if (preciseX+40 > Xupperbound){
preciseX = Xupperbound-40;
}
model.setLandingPadPos((int)preciseX,(int)preciseY, false);
} else if ((draggingObject != 1)&&(peakID != -1)){
// Terrain dragging handler
// cannot drag terrain when dragging landing pad
int value = (int)e.getY();
if (draggingObject == 0){
model.setLastXY(2, 0, 0,peakID);
}
draggingObject = 2;
if ( value < 0){
value = 0;
}
if ( value > Ylowerbound){
value = Ylowerbound;
}
model.setYP(peakID, value, false);
} else {
}
}
public void drawCenteredCircle(Graphics2D g, int r) {
int x, y;
for (int i = 1; i < 21; i++){
x = model.getXP()[i]-r/2;
y = model.getYP()[i]-r/2;
g.drawOval(x,y,r,r);
}
}
public int peak_hit_test(double x, double y){
double distance;
for (int i = 1; i < 21; i++){
distance = Math.hypot(x-(model.getXP())[i], y-(model.getYP())[i]);
if (distance < 15){
return i;
}
}
return -1;
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g; // cast to get 2D drawing methods
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, // antialiasing look nicer
RenderingHints.VALUE_ANTIALIAS_ON);
g2.setColor(Color.darkGray);
g2.fillPolygon(model.getTerrain());
g2.setColor(Color.GRAY);
drawCenteredCircle(g2, 15);
g2.setColor(Color.RED);
g2.fillRect(model.getLandingPadX(), model.getLandingPadY(), model.getLandingPadW(), model.getLandingPadH());
}
}