nankin.zheng.gatem.view
Class BackgroundView

java.lang.Object
  |
  +--nankin.zheng.gatem.view.RoleView
        |
        +--nankin.zheng.gatem.view.BackgroundView

public abstract class BackgroundView

extends RoleView

RoleView object of game background. It accepts additional viewport information and passes it to DisplayCache.

Version:

1.0, Date 2003-04-11

Author:

ZHENG Zhong

Field Summary

Fields inherited from class nankin.zheng.gatem.view.RoleView

aImages, displayCache, env, roleName

Constructor Summary

BackgroundView(Env environ, DisplayCache dc, java.lang.String rname, AnchoredImage[] aimgs)
Constructor.

Method Summary

void	notifyViewport(Position vp) Pass viewport position information to DisplayCache.

Methods inherited from class nankin.zheng.gatem.view.RoleView

draw, getCreatedInstanceCount, getRoleName, testInitialization

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BackgroundView

public BackgroundView(Env environ,
                      DisplayCache dc,
                      java.lang.String rname,
                      AnchoredImage[] aimgs)
               throws GameException

Constructor.

Parameters:

environ - environment.

dc - DisplayCache, which will be used while drawing.

rname - role name.

aimgs - anchored image array.

Throws:

java.lang.NullPointerException - if any parameter is null.

GameException - if any error occured.

Method Detail

notifyViewport

public void notifyViewport(Position vp)
                    throws GameException

Pass viewport position information to DisplayCache. NOTE that this method should be called before any role is drawn.

Parameters:

vp - position of viewport (logical coordonate)

Throws:

java.lang.NullPointerException - if vp is null.

GameException