script.java

一个很不错的j2me的rpg游戏的源码

package mobileRPG.client;

import mobileRPG.client.scriptaction.*;

public class Script {
	
	private int indexAction;
	private ScriptAction[] scriptaction;
	public String[] line;
	public Entity entity;
	
	private boolean active;
	
	public Script(Entity e, int lineCount) {
		entity = e;
		line = new String[lineCount];
	}
	
	public boolean isActive() {
		return active;
	}
	
	public void activateScript() {
		// If this script is already running return
		if (isActive()) {return;}
		
		// Start at the top of the action stack
		active = true;
		indexAction = 0;
		scriptaction = new ScriptAction[line.length];
	}
	
	public void printScript() {
		for (int n = 0; n < line.length; n++) {
			System.out.println(line[n]);
		}
	}
	
	public void onTime() {
		// If this is not active, don't start it
		if (!isActive()) {return;}
		
		while (doScriptAction()) {
			indexAction++;
			if (indexAction >= scriptaction.length) {
				active = false;
				break;
			}
		}
		
	}
	
	// Returns true if the next script action should be started
	private boolean doScriptAction() {
		
		// If the script action hasn't been inited yet, do that
		if (scriptaction[indexAction] == null) {
			scriptaction[indexAction] = initScriptAction(line[indexAction].trim());
			// This action failed to init, go to the next one
			if (scriptaction[indexAction] == null) {
				return true;
			}
		}
		
		// Do the action
		scriptaction[indexAction].active = true;
		scriptaction[indexAction].onTime();
		
		// If the action is complete, move to the next one
		if (scriptaction[indexAction].isComplete()) {
			scriptaction[indexAction].active = false;
			return true;
		}
		
		return false;
	}
	
	private ScriptAction initScriptAction(String l) {
		
		if (l.equals("kick")) {
			return new Kick(this);
		}
		
		if (l.length() > 4 && l.substring(0, 4).equals("wait")) {
			String time = l.substring(5);
			int timeCountMax = Integer.parseInt(time);
			return new Wait(this, timeCountMax);
		}
		
		if (l.length() > 4 && l.substring(0, 4).equals("move")) {
			String direction = l.substring(5);
			return new Move(this, direction);
		}
		
		return null;
	}
	
}