gcanvas.java

战国3贱客

/////////////////////////////////////////////////////////////////////////////////////
///////////////     Magic.CY            2004-9-16 10:24//////////////////////////////
//////////////                                         //////////////////////////////
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import java.util.*;
import java.io.*;
import com.nokia.mid.ui.*;


public class GCanvas extends FullCanvas
{
	public static int keyStates;
	public static int keyPressingStates;
	public static final int K_UP = 1;
	public static final int K_LEFT = 2;
	public static final int K_DOWN = 4;
	public static final int K_RIGHT = 8;
	public static final int K_FIRE = 16;
	public static final int K_S1 = 32;
	public static final int K_S2 = 64;
	public static final int K_POUND = 128;
	public static final int K_STAR = 256;
	public static final int K_1 = 512;
	public static final int K_2 = 1024;
	public static final int K_3 = 2048;
	public static final int K_4 = 4096;
	public static final int K_5 = 8192;
	public static final int K_6 = 16384;
	public static final int K_7 = 32768;
	public static final int K_8 = 65536;
	public static final int K_9 = 131072;
	public static final int K_0 = 262144;
////////////////////////////////////////////////////////////////	
	public GCanvas()
	{
		
	}
	
	public void paint(Graphics g)
	{
		g.drawImage(GManager.bufferimage,0,0,g.TOP|g.LEFT);
		
	}
	
	
	public static int queueKeyStates()
	{
		 int tempKeyStates = keyStates;  // 缓存keyStates
       		 keyStates = keyPressingStates;  // 清空所有当前不处于按下状态的位
       		 return tempKeyStates;
		
	}
	public static int queueKeyStatesClear()
	{
		 int tempKeyStates = keyStates;  
       		 keyStates = 0;  
       		 return tempKeyStates;
		
	}
	public static int queueNowKeyStates()
	{
		 
       		 return keyPressingStates;
		
	}
	
	
	public void keyPressed(int code)
	{
		switch(code)
		{
			case KEY_NUM0:
			keyStates |=K_0;
			keyPressingStates |=K_0;
			break;
			case KEY_NUM1:
			keyStates |=K_1;
			keyPressingStates |=K_1;
			break;
			case KEY_NUM2:
			keyStates |=K_2;
			keyPressingStates |=K_2;
			break;
			case KEY_NUM3:
			keyStates |=K_3;
			keyPressingStates |=K_3;
			break;
			case KEY_NUM4:
			keyStates |=K_4;
			keyPressingStates |=K_4;
			break;
			case KEY_NUM5:
			keyStates |=K_5;
			keyPressingStates |=K_5;
			break;
			case KEY_NUM6:
			keyStates |=K_6;
			keyPressingStates |=K_6;
			break;
			case KEY_NUM7:
			keyStates |=K_7;
			keyPressingStates |=K_7;
			break;
			case KEY_NUM8:
			keyStates |=K_8;
			keyPressingStates |=K_8;
			break;
			case KEY_NUM9:
			keyStates |=K_9;
			keyPressingStates |=K_9;
			break;
			case KEY_SOFTKEY1:
			keyStates |=K_S1;
			keyPressingStates |=K_S1;
			break;
			case KEY_SOFTKEY2:
			keyStates |=K_S2;
			keyPressingStates |=K_S2;
			break;
			
		}
		switch(getGameAction(code))
		{
			case UP:
			keyStates |=K_UP;
			keyPressingStates |=K_UP;
			
			break;
			case DOWN:
			keyStates |=K_DOWN;
			keyPressingStates |=K_DOWN;
			break;
			
			case LEFT:
			keyStates |=K_LEFT;
			keyPressingStates |=K_LEFT;
			break;
			
			case RIGHT:
			keyStates |=K_RIGHT;
			keyPressingStates |=K_RIGHT;
			break;
			case FIRE:
			keyStates |=K_FIRE;
			keyPressingStates |=K_FIRE;
			break;
		
			
		}
	
	}
		
	
	public void keyReleased(int code)
	{
		switch(code)
		{
			case KEY_NUM0:
			keyPressingStates &= ~K_0;
			
			
			break;
			case KEY_NUM1:
			keyPressingStates &= ~K_1;
			
			break;
			case KEY_NUM2:
			keyPressingStates &= ~K_2;
			
			break;
			case KEY_NUM3:
			keyPressingStates &= ~K_3;
			
			break;
			case KEY_NUM4:
			keyPressingStates &= ~K_4;
			
			break;
			case KEY_NUM5:
			keyPressingStates &= ~K_5;
			
			break;
			case KEY_NUM6:
			keyPressingStates &= ~K_6;
			
			break;
			case KEY_NUM7:
			keyPressingStates &= ~K_7;
			
			break;
			case KEY_NUM8:
			keyPressingStates &= ~K_8;
			
			break;
			case KEY_NUM9:
			keyPressingStates &= ~K_9;
			
			break;
			case KEY_SOFTKEY1:
			keyPressingStates &= ~K_S1;
			
			break;
			case KEY_SOFTKEY2:
			keyPressingStates &= ~K_S2;
			
			break;
			
			
		}
		switch(getGameAction(code))
		{
			case UP:
			keyPressingStates &= ~K_UP;
			break;
			case DOWN:
			keyPressingStates &= ~K_DOWN;
			break;
			case LEFT:
			keyPressingStates &= ~K_LEFT;
			break;
			case RIGHT:
			keyPressingStates &= ~K_RIGHT;
			break;
			case FIRE:
			keyPressingStates &= ~K_FIRE;
			break;
			
		}
		
		
	}
	
	
}