src/code/kalter/longflight/screen/Screen.java

   1 package code.kalter.longflight.screen;
   2
   3 import code.kalter.longflight.Area;
   4 import code.kalter.longflight.FPS;
   5 import code.kalter.longflight.Font;
   6 import code.kalter.longflight.Pointer;
   7 import code.kalter.longflight.Time;
   8 import code.kalter.longflight.space.Space;
   9 import java.io.IOException;
  10 import javax.microedition.lcdui.Graphics;
  11 import javax.microedition.lcdui.game.GameCanvas;
  12
  13 /**
  14  * Абстрактный класс для всех экранов
  15  *
  16  * @author KalterFive
  17  */
  18 public abstract class Screen extends GameCanvas implements Runnable {
  19
  20     // софт-кнопки
  21     public final int LEFT_SOFT = -6;
  22     public final int RIGHT_SOFT = -7;
  23
  24     // некоторые свойства, характерные каждому экрану
  25     protected final Graphics graphics;
  26     protected final FPS fps;
  27     protected final Space space;
  28     protected final Font font;
  29     protected final int screenW;
  30     protected final int screenH;
  31
  32     // нажатие и области нажатия
  33     private final Pointer pointer;
  34     private final Area upArea;
  35     private final Area downArea;
  36     private final Area leftArea;
  37     private final Area rightArea;
  38     private final Area fireArea;
  39
  40     // текущее время и его координаты
  41     private final Time time;
  42     private int timeXPosition;
  43     private int timeYPosition;
  44
  45     private Thread thread;
  46     protected boolean gameLoop;
  47
  48     public Screen() throws IOException {
  49         super(false);
  50         setFullScreenMode(true);
  51         graphics = getGraphics();
  52         screenW = getWidth();
  53         screenH = getHeight();
  54         fps = FPS.getInstance(30);
  55         space = Space.getInstance(screenW, screenH);
  56         font = Font.getInstance();
  57         time = Time.getInstance(60000);
  58         pointer = new Pointer();
  59         upArea = new Area(screenW / 3, 0, screenW - screenW / 3, screenH / 3);
  60         downArea = new Area(screenW / 3, screenH - screenH / 3,
  61                 screenW - screenW / 3, screenH);
  62         leftArea = new Area(0, 0, screenW / 3, screenH);
  63         rightArea = new Area(screenW - screenW / 3, 0, screenW, screenH);
  64         fireArea = new Area(screenW / 3, screenH / 3,
  65                 screenW - screenW / 3, screenH - screenH / 3);
  66     }
  67
  68     public void start() {
  69         showNotify();
  70         space.paint(graphics);
  71         gameLoop = true;
  72         thread = new Thread(this);
  73         thread.start();
  74     }
  75
  76     public void stop() {
  77         hideNotify();
  78         gameLoop = false;
  79     }
  80
  81     // override
  82     public void pointerPressed(int x, int y) {
  83         pointer.setPressed(x, y);
  84     }
  85
  86     // override
  87     public void pointerReleased(int x, int y) {
  88         pointer.setReleased(x, y);
  89     }
  90
  91     public final boolean getGameLoop() {
  92         return gameLoop;
  93     }
  94
  95     public int getXPressed() {
  96         return pointer.getXPressed();
  97     }
  98
  99     public int getYPressed() {
 100         return pointer.getYPressed();
 101     }
 102
 103     public int getXReleased() {
 104         return pointer.getXReleased();
 105     }
 106
 107     public int getYReleased() {
 108         return pointer.getYReleased();
 109     }
 110
 111     public boolean isPointerUp() {
 112         return isPointerArea(upArea);
 113     }
 114
 115     public boolean isPointerDown() {
 116         return isPointerArea(downArea);
 117     }
 118
 119     public boolean isPointerLeft() {
 120         return isPointerArea(leftArea);
 121     }
 122
 123     public boolean isPointerRight() {
 124         return isPointerArea(rightArea);
 125     }
 126
 127     public boolean isPointerFire() {
 128         return isPointerArea(fireArea);
 129     }
 130
 131     public boolean isPointerArea(Area area) {
 132         return area.isEntry(pointer.getXPressed(), pointer.getYPressed());
 133     }
 134
 135     protected final void setDate(int x, int y) {
 136         this.timeXPosition = x;
 137         this.timeYPosition = y;
 138     }
 139
 140     protected final void paintDate() {
 141         font.paint(graphics, time.toString(), timeXPosition, timeYPosition);
 142     }
 143 }