/*
* Copyright (c) 2010 SimpleServer authors (see CONTRIBUTORS)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package simpleserver.events;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Random;
import java.util.concurrent.ConcurrentHashMap;
import simpleserver.Player;
import simpleserver.Server;
import simpleserver.bot.NpcBot;
import simpleserver.config.xml.Event;
public class EventHost {
public HashMap<String, String> colors;
public ConcurrentHashMap<Event, Long> events; // stores events and their last
// calls
public ConcurrentHashMap<String, String> globals; // cache for global event
// vars
public ConcurrentHashMap<String, NpcBot> npcs; // stores the online npcs
protected Server server;
protected Random rng;
protected HashMap<String, RunningEvent> running;
public void loadEvents() {
// try to make old threads shut down if any
try {
if (running != null) {
for (String k : running.keySet()) {
running.get(k).stopping = true;
running.get(k).interrupt();
}
}
} catch (Exception e) {
// ignore failures...
}
// initialize
npcs = new ConcurrentHashMap<String, NpcBot>();
running = new HashMap<String, RunningEvent>();
events = new ConcurrentHashMap<Event, Long>();
globals = new ConcurrentHashMap<String, String>();
Iterator<Event> it = server.config.events.iterator();
while (it.hasNext()) {
Event ev = it.next();
events.put(ev, (long) 0);
globals.put(ev.name, ev.value);
}
}
public void saveGlobalVars() {
Iterator<Event> it = server.config.events.iterator();
while (it.hasNext()) {
Event ev = it.next();
ev.value = globals.get(ev.name);
}
}
public EventHost(Server s) {
server = s;
rng = new Random();
colors = new HashMap<String, String>();
colors.put("BLACK", "0");
colors.put("DARK_BLUE", "1");
colors.put("DARK_GREEN", "2");
colors.put("DARK_CYAN", "3");
colors.put("DARK_RED", "4");
colors.put("PURPLE", "5");
colors.put("GOLD", "6");
colors.put("GRAY", "7");
colors.put("DARK_GRAY", "8");
colors.put("BLUE", "9");
colors.put("GREEN", "a");
colors.put("CYAN", "b");
colors.put("RED", "c");
colors.put("PINK", "d");
colors.put("YELLOW", "e");
colors.put("WHITE", "f");
loadEvents();
Event autorun = findEvent("onServerStart");
if (autorun != null) {
execute(autorun, null, true, null);
}
}
/* General event call */
protected void executeEvent(Event e, Player p, ArrayList<String> stack) {
// DEBUG
// System.out.println(p.getName()
// +"->"+e.name+"@"+System.currentTimeMillis());
if (e == null) { // no event given -> abort
return;
}
// no stack given -> add empty array representing no arguments
if (stack == null) {
stack = new ArrayList<String>();
stack.add(PostfixEvaluator.fromArray(new ArrayList<String>()));
}
// Start top level event in new thread
String threadname = e.name + String.valueOf(System.currentTimeMillis());
RunningEvent rev = new RunningEvent(this, threadname, e, p, 0, stack);
rev.start();
running.put(threadname, rev);
}
/* Execute given event triggered by given player */
public void execute(Event e, Player p, boolean forced, ArrayList<String> args) {
if (e == null) { // no event given -> abort
return;
}
// If it's a player-triggered event, check trigger conditions
if (!forced && p != null) {
if (e.disabled || e.coordinate == null)
{
return; // Not triggerable
}
if (e.allow != null && !e.allow.contains(p))
{
return; // user not allowed for event
}
long currtime = System.currentTimeMillis();
if (e.interval != 0 && currtime < events.get(e) + 1000 * e.interval)
{
return; // Event still has timeout
}
events.put(e, currtime); // Update last event call time
}
/* pack an array with the passed arguments onto the stack for that event */
if (args == null) {
args = new ArrayList<String>();
}
ArrayList<String> stack = new ArrayList<String>();
stack.add(PostfixEvaluator.fromArray(args));
executeEvent(e, p, stack);
}
public Event findEvent(String name) {
for (Event f : events.keySet()) {
if (f.name.equals(name)) {
return f;
}
}
return null;
}
}