gamescreen.java

经典的超级玛丽游戏

								bul.bul_life=false;
								num num=new num(Image_num,npc.npc_curspX,npc.npc_curspY-10,npc.npc_kind);
								nums.addElement(num);
								npc.npc_life=false;
								npc.setFrame(9);
								npc.npc_kind=4;
							}
						}
					}
				}
				
				npc.npc_curspX-=(currentViewPosX-npc.npc_curViewPosX);
				npc.npc_curViewPosX=currentViewPosX;
			}
			
			if(npc.npc_bjump)
			{
				npc.t+=2;
				switch(npc.npc_way)
				{
					case(0):
						if(npc.npc_kind==10)
							;//npc.npc_curspX--;
						else
							npc.npc_curspX-=2;
					break;
					case(1):
						if(npc.npc_kind==10)
							;//npc.npc_curspX++;
						else
							npc.npc_curspX+=2;
					break;
				}
				npc.jump();
				npc.npc_dead=10;
			}
			
			if(npc.npc_curspX>(getWidth()+100)||npc.npc_curspX<-100||npc.npc_curspY>getHeight())//当npc的坐标超出某一范围则删除该npc
				npcs.removeElementAt(i);
			if(npc.npc_life==false&&npc.npc_kind!=2&&npc.npc_kind!=8)//除了鸭子壳以外的npc如果没有生命并且死了10轮以上则删除
			{
				if(npc.npc_dead<0)
					npcs.removeElementAt(i);
				else
					npc.npc_dead--;
			}
		}
		
	}
	public void mn_action()//mario和npc之间的运动（踩、碰撞）
	{
		for(int i=0;i<npcs.size();i++)
		{
			NpcSprite npc=(NpcSprite)npcs.elementAt(i);
			
			
			if(npc.npc_kind==10||npc.npc_kind==8)//吃长大蘑菇或者花
			{
				if((mariosprite.curspX+mariosprite.spwidth)>(npc.npc_curspX+1)&&mariosprite.curspX<(npc.npc_curspX+npc.npc_width-1))
				{
					if((mariosprite.curspY+mariosprite.spheight)>npc.npc_curspY&&mariosprite.curspY<(npc.npc_curspY+npc.npc_height))
					{
						if(npc.npc_kind==10)//吃到长大蘑菇
						{
							//判读向上13个像素的tile能否通过
							mariosprite.CanMove(currentViewPosX-getWidth()/2+mariosprite.curspX,currentViewPosY-getHeight()/2+mariosprite.curspY-10);//判断可以向哪些方向移动
							
							mariosprite.ChangeSize(Image_bigmario,mariosprite.curspX,mariosprite.curspY,13,26,1);
							mariosprite.state=1;//变成big mario
							
						}
						else//吃到花
						{
							if(mariosprite.state==1)//如果是big mario则变成带子弹的mario
								mariosprite.state=2;
							else if(mariosprite.state==0)//如果是small mario则长大
							{
								mariosprite.CanMove(currentViewPosX-getWidth()/2+mariosprite.curspX,currentViewPosY-getHeight()/2+mariosprite.curspY-10);//判断可以向哪些方向移动
								mariosprite.ChangeSize(Image_bigmario,mariosprite.curspX,mariosprite.curspY,13,26,1);
								mariosprite.state=1;//变成big mario
							}
						}
						npcs.removeElementAt(i);
						num num=new num(Image_num,npc.npc_curspX,npc.npc_curspY-10,npc.npc_kind);
						nums.addElement(num);
					}
				}
			}
			else//mario与怪兽们发生碰撞
			{
				if(mariosprite.xiajiang==false)//mario在行走过程中与怪兽npc发生碰撞
				{
					if((mariosprite.curspX+mariosprite.spwidth)>=npc.npc_curspX&&mariosprite.curspX<=(npc.npc_curspX+npc.npc_width))
					{
						if((mariosprite.curspY+mariosprite.spheight)==(npc.npc_curspY+npc.npc_height))
						{
							if(npc.npc_kind==2&&npc.npc_life==false)//碰到静止不动的鸭子壳,则将鸭子壳踢开
							{
								if(mariosprite.curspX>=npc.npc_curspX)
								{
									npc.npc_way=0;
									for(int j=0;j<=7;j++)
									{
										npc.npc_curspX--;
										npc.CanMove((currentViewPosX-getWidth()/2+npc.npc_curspX),(currentViewPosY-getHeight()/2+npc.npc_curspY));
										if(npc.left_canmove==false)
										{
											npc.npc_way=1;
											break;
										}
									}
								}
								else
								{
									npc.npc_way=1;
									for(int j=0;j<=7;j++)
									{
										npc.npc_curspX++;
										npc.CanMove((currentViewPosX-getWidth()/2+npc.npc_curspX),(currentViewPosY-getHeight()/2+npc.npc_curspY));
										if(npc.right_canmove==false)
										{
											npc.npc_way=0;
											break;
										}
									}
								}
								npc.npc_life=true;
								num num=new num(Image_num,npc.npc_curspX,npc.npc_curspY-10,npc.npc_kind);
								nums.addElement(num);
							}
							else if(npc.npc_life==true)
							{
								if(mariosprite.state==0)//如果是small mario的话：死亡
								{
									mariosprite.setFrame(12);
									mariosprite.life=false;
								}
								else if(mariosprite.state==1||mariosprite.state==2)//如果是big mario的话：状态是由大变小过程中
								{
									mariosprite.ChangeSize(Image_smallmario,mariosprite.curspX,mariosprite.curspY,13,13,0);
									mariosprite.state=6;
									mariosprite.statetimes=100;
								}
							}
						}
					}		
				}	
				else//mario踩到怪兽后，怪兽牺牲	
				{
					if(npc.npc_kind==0||npc.npc_kind==1)//踩到mario或duck
					{
						if((mariosprite.curspX+mariosprite.spwidth)>=npc.npc_curspX&&mariosprite.curspX<=(npc.npc_curspX+npc.npc_width))
						{
							if((mariosprite.curspY+mariosprite.spheight)>=npc.npc_curspY&&mariosprite.curspY<=npc.npc_curspY)
							{
								if(npc.npc_life==true)
								{
									mariosprite.whichjump(2);
									mariosprite.t=0;
									walkdown=false;
								
									mariosprite.y1=0;
									mariosprite.y2=0;
									mariosprite.y0=-1;
									mariosprite.stopcurspY=-1;
									mariosprite.bjump=true;
								
									npc.npc_life=false;
									num num=new num(Image_num,npc.npc_curspX,npc.npc_curspY-10,npc.npc_kind);
									nums.addElement(num);
							
									if(npc.npc_kind==0)//ghost
										npc.setFrame(2);
										
									else if(npc.npc_kind==1)//duck
									{
										npc.npc_kind=2;	
										npc.setFrame(8);
									}
								}
							}
						}
					}
					else if(npc.npc_kind==2)//踩到duck壳
					{
						if((mariosprite.curspX+mariosprite.spwidth)>npc.npc_curspX&&mariosprite.curspX<(npc.npc_curspX+npc.npc_width))
						{
							if((mariosprite.curspY+mariosprite.spheight)>=(npc.npc_curspY+8)&&mariosprite.curspY<=(npc.npc_curspY+8))
							{
								int cha;
								cha=(mariosprite.curspX+mariosprite.spwidth/2)-(npc.npc_curspX+npc.npc_width/2);
							
								if(npc.npc_life==false)
								{
									if(cha>=0)
									{
										npc.npc_way=0;
										for(int j=0;j<=7;j++)
										{
											npc.npc_curspX--;
											npc.CanMove((currentViewPosX-getWidth()/2+npc.npc_curspX),(currentViewPosY-getHeight()/2+npc.npc_curspY));
											if(npc.left_canmove==false)
											{
												npc.npc_way=1;
												break;
											}
										}
									}
									else
									{
										npc.npc_way=1;
										for(int j=0;j<=7;j++)
										{
											npc.npc_curspX++;
											npc.CanMove((currentViewPosX-getWidth()/2+npc.npc_curspX),(currentViewPosY-getHeight()/2+npc.npc_curspY));
											if(npc.right_canmove==false)
											{
												npc.npc_way=0;
												break;
											}
										}
									}
								
									npc.npc_life=true;
								}
								else
								{
									npc.npc_life=false;
								
									mariosprite.whichjump(2);
									mariosprite.t=0;
									walkdown=false;
								
									mariosprite.y1=0;
									mariosprite.y2=0;
									mariosprite.y0=-1;
									mariosprite.stopcurspY=-1;
						
									mariosprite.bjump=true;
								}
								num num=new num(Image_num,npc.npc_curspX,npc.npc_curspY-10,npc.npc_kind);
								nums.addElement(num);
							}
						}
					}
				}
			}
		}
	}
}

class num
{
	public int curX0,curX,curY,num,weishu=0,fentimes=0;
	public Image Image_num;
	
	public num(Image img,int x,int y,int num)
	{
		this.Image_num=img;
		this.curX=x;
		this.curY=y;
		this.num=num;
		
		if(num==0||num==2||num==1)
			GameScreen.score+=100;
		else if(num==100)
			GameScreen.score+=200;
		else if(num==10||num==8)
			GameScreen.score+=1000;
	}
	
	public void draw(Graphics g)
	{
		if(num==0||num==2||num==1)//毒蘑菇:100分,鸭子壳:100分,鸭子:100分
		{	
			g.setClip(curX,curY-fentimes,4,7);
			g.drawImage(Image_num,curX-0*4,curY-fentimes,g.TOP|g.LEFT);
			
			g.setClip(curX+5,curY-fentimes,4,7);
			g.drawImage(Image_num,curX+5-9*4,curY-fentimes,g.TOP|g.LEFT);
		
			g.setClip(curX+10,curY-fentimes,4,7);
			g.drawImage(Image_num,curX+10-9*4,curY-fentimes,g.TOP|g.LEFT);
		}
		else if(num==100)//鸭子:200分
		{
			g.setClip(curX,curY-fentimes,4,7);
			g.drawImage(Image_num,curX-1*4,curY-fentimes,g.TOP|g.LEFT);
			
			g.setClip(curX+5,curY-fentimes,4,7);
			g.drawImage(Image_num,curX+5-9*4,curY-fentimes,g.TOP|g.LEFT);
		
			g.setClip(curX+10,curY-fentimes,4,7);
			g.drawImage(Image_num,curX+10-9*4,curY-fentimes,g.TOP|g.LEFT);
		}
		else if(num==10||num==8)//长大蘑菇:1000分；花：1000分
		{
			g.setClip(curX,curY-fentimes,4,7);
			g.drawImage(Image_num,curX-0*4,curY-fentimes,g.TOP|g.LEFT);
			
			g.setClip(curX+5,curY-fentimes,4,7);
			g.drawImage(Image_num,curX+5-9*4,curY-fentimes,g.TOP|g.LEFT);
		
			g.setClip(curX+10,curY-fentimes,4,7);
			g.drawImage(Image_num,curX+10-9*4,curY-fentimes,g.TOP|g.LEFT);
			
			g.setClip(curX+15,curY-fentimes,4,7);
			g.drawImage(Image_num,curX+15-9*4,curY-fentimes,g.TOP|g.LEFT);
		}
		fentimes++;
	}
}

class bullet
{
	public int curspX,curspY,way,curFrame=0,viewposX,curspX0;
	private Image Image_bullet,Image_explode;
	private int yy=4;
	private int left_u_tile,left_d_tile,right_u_tile,right_d_tile,up_l_tile,up_r_tile,down_l_tile,down_r_tile,width=6,height=6;
	public boolean left_canmove,left_u_canmove,left_d_canmove,right_canmove,right_u_canmove,right_d_canmove,up_canmove,up_l_canmove,up_r_canmove,down_canmove,down_l_canmove,down_r_canmove;
	public boolean xiajiang=true,bul_life=true;
	public int explode_time=30,explode_curFrame=0;
	
	public bullet(Image img1,Image img2,int x,int y,int way,int vpX)
	{
		this.Image_bullet=img1;
		this.Image_explode=img2;
		this.curspX0=x+13;
		this.curspX=x+13;
		this.curspY=y+8;
		this.way=way;
		this.viewposX=vpX;
	}
	
	public void draw(Graphics g,int x)
	{
		curspX+=viewposX-x;
		viewposX=x;
		if(bul_life==true)
		{
			if(curFrame==3)
				curFrame=0;
			curFrame++;
		
			g.setClip(curspX,curspY,6,6);
			g.drawImage(Image_bullet,curspX-curFrame*6,curspY,g.TOP|g.LEFT);
		}
		else
		{
			explode_curFrame=2-explode_time/10;
			g.setClip(curspX,curspY,10,10);
			g.drawImage(Image_explode,curspX-explode_curFrame*10,curspY,g.TOP|g.LEFT);
		}
	}
	
	public void CanMove(int x,int y)
	{
		this.left_u_tile=World.tileMap[y/World.TILE_HEIGHT][(x-1)/World.TILE_WIDTH];
		this.left_d_tile=World.tileMap[(y+height-1)/World.TILE_HEIGHT][(x-1)/World.TILE_WIDTH];
		
		this.right_u_tile=World.tileMap[y/World.TILE_HEIGHT][(x+width)/World.TILE_WIDTH];
		this.right_d_tile=World.tileMap[(y+height-1)/World.TILE_HEIGHT][(x+width)/World.TILE_WIDTH];
		
		this.up_l_tile=World.tileMap[(y-1)/World.TILE_HEIGHT][(x+1)/World.TILE_WIDTH];
		this.up_r_tile=World.tileMap[(y-1)/World.TILE_HEIGHT][(x+width-2)/World.TILE_WIDTH];
		
		this.down_l_tile=World.tileMap[(y+height)/World.TILE_HEIGHT][(x+1)/World.TILE_WIDTH];
		this.down_r_tile=World.tileMap[(y+height)/World.TILE_HEIGHT][(x+width-2)/World.TILE_WIDTH];
		
		//假设各个方向均不能移动
		this.left_canmove=false;
		this.left_u_canmove=false;
		this.left_d_canmove=false;
		
		this.right_canmove=false;
		this.right_u_canmove=false;
		this.right_d_canmove=false;
		
		this.up_canmove=false;
		this.up_l_canmove=false;
		this.up_r_canmove=false;
		
		this.down_canmove=false;
		this.down_l_canmove=false;
		this.down_r_canmove=false;
		
		//判断那些方向可以移动
		for(int i=0;i<World.CANPASS_TILE.length;i++)
		{
			if(this.left_u_tile==World.CANPASS_TILE[i])
				this.left_u_canmove=true;
			if(this.left_d_tile==World.CANPASS_TILE[i])
				this.left_d_canmove=true;
			
			if(this.right_u_tile==World.CANPASS_TILE[i])
				this.right_u_canmove=true;
			if(this.right_d_tile==World.CANPASS_TILE[i])
				this.right_d_canmove=true;
				
			if(this.up_l_tile==World.CANPASS_TILE[i])
				this.up_l_canmove=true;
			if(this.up_r_tile==World.CANPASS_TILE[i])
				this.up_r_canmove=true;
			
			if(this.down_l_tile==World.CANPASS_TILE[i])
				this.down_l_canmove=true;
			if(this.down_r_tile==World.CANPASS_TILE[i])
				this.down_r_canmove=true;
		}
		if(left_u_canmove==true&&left_d_canmove==true)
			this.left_canmove=true;
		if(right_u_canmove==true&&right_d_canmove==true)
			this.right_canmove=true;
		if(up_l_canmove==true&&up_r_canmove==true)
			this.up_canmove=true;
		if(down_l_canmove==true&&down_r_canmove==true)
			this.down_canmove=true;
		
		if(this.down_canmove==false)
			xiajiang=false;
		
		if(xiajiang==false)
		{
			if(yy==0)
			{
				xiajiang=true;
				yy=4;
			}
			yy--;
		}
	}
	
	public void shot(GameScreen gs)
	{
		switch(this.way)
		{
			case(0)://子弹向左移动
				curspX-=4;
			break;
			case(1)://子弹向右移动
				curspX+=4;
			break;
		}
		if(xiajiang==true)
			curspY+=3;
		else
			curspY-=3;
	}
}