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/*
* Copyright (c) 2009-2011 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.monkeyzone;

import com.jme3.app.Application;
import com.jme3.app.state.AbstractAppState;
import com.jme3.app.state.AppStateManager;
import com.jme3.bullet.control.CharacterControl;
import com.jme3.math.Quaternion;
import com.jme3.math.Vector3f;
import com.jme3.monkeyzone.messages.ActionMessage;
import com.jme3.monkeyzone.messages.StartGameMessage;
import com.jme3.network.physicssync.PhysicsSyncManager;
import com.jme3.scene.Spatial;
import java.io.IOException;
import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
* Manages the actual gameplay on the server side
* @author normenhansen
*/
public class ServerGameManager extends AbstractAppState {

PhysicsSyncManager server;
WorldManager worldManager;
private boolean running;
String mapName;
String[] modelNames;

@Override
public void initialize(AppStateManager stateManager, Application app) {
super.initialize(stateManager, app);
this.worldManager = app.getStateManager().getState(WorldManager.class);
this.server = worldManager.getSyncManager();
}

/**
* starts the game
*/
public synchronized boolean startGame(String map) {
if (running) {
return false;
}
running = true;
mapName = map;
//TODO: parse client side string, create preload model list automatically
modelNames = new String[]{"Models/HoverTank/HoverTank.j3o", "Models/Sinbad/Sinbad.j3o", "Models/Ferrari/Car.j3o"};//, "Models/Buggy/Buggy.j3o"
server.getServer().broadcast(new StartGameMessage(mapName, modelNames));
worldManager.loadLevel(mapName);
worldManager.createNavMesh();
worldManager.preloadModels(modelNames);
worldManager.attachLevel();

//create character entities for all players, then enter the entites
int i = 0;
for (Iterator<PlayerData> it = PlayerData.getPlayers().iterator(); it.hasNext();) {
PlayerData playerData = it.next();
long entityId = worldManager.addNewEntity("Models/Sinbad/Sinbad.j3o", new Vector3f(i * 3, 3, 0), new Quaternion());
playerData.setData("character_entity_id", entityId);
worldManager.enterEntity(playerData.getId(), entityId);

//create new ai player for user
long playearId = worldManager.addNewPlayer(PlayerData.getIntData(playerData.getId(), "group_id"), "AI", 0);
long entitayId = worldManager.addNewEntity("Models/Sinbad/Sinbad.j3o", new Vector3f(i * 3, 3, 3), new Quaternion());
PlayerData.setData(playearId, "character_entity_id", entitayId);
worldManager.enterEntity(playearId, entitayId);

//create a vehicle
worldManager.addNewEntity("Models/Ferrari/Car.j3o", new Vector3f(i * 3, 3, -3), new Quaternion());
i++;
}
return true;
}

/**
* stops the game
*/
public synchronized boolean stopGame() {
if (!running) {
return false;
}
mapName = "null";
modelNames = new String[]{};
server.getServer().broadcast(new StartGameMessage(mapName, modelNames));
worldManager.closeLevel();
running = false;
return true;
}

/**
* checks if the game is running
* @return
*/
public synchronized boolean isRunning() {
return running;
}

/**
* called when an entity (human or AI) performs an action
* @param entityId
* @param action
* @param pressed
*/
public void performAction(long entityId, int action, boolean pressed) {
Spatial myEntity = worldManager.getEntity(entityId);
if (myEntity == null) {
Logger.getLogger(ServerGameManager.class.getName()).log(Level.WARNING, "Cannot find entity performing action!");
return;
}
long player_id = (Long) myEntity.getUserData("player_id");
if (player_id == -1) {
Logger.getLogger(ServerGameManager.class.getName()).log(Level.WARNING, "Cannot find player id for entity performing action!");
return;
}
//enter entity
if (action == ActionMessage.ENTER_ACTION && pressed) {
performEnterEntity(player_id, myEntity);
} else if (action == ActionMessage.SHOOT_ACTION && pressed) {
performShoot(myEntity);
}
}

/**
* handle player performing "enter entity" action
* @param player_id
* @param myEntity
*/
private void performEnterEntity(long player_id, Spatial myEntity) {
long characterId = PlayerData.getLongData(player_id, "character_entity_id");
long curEntityId = (Long) myEntity.getUserData("entity_id");
Spatial entity = worldManager.doRayTest(myEntity, 4, null);
if (entity != null && (Long) entity.getUserData("player_id") == -1l) {
if (curEntityId == characterId) {
worldManager.disableEntity(characterId);
worldManager.enterEntity(player_id, (Long) entity.getUserData("entity_id"));
} else {
worldManager.enterEntity(player_id, characterId);
worldManager.enableEntity(characterId, myEntity.getWorldTranslation().add(Vector3f.UNIT_Y), myEntity.getWorldRotation());
}
} else {
if (curEntityId != characterId) {
worldManager.enterEntity(player_id, characterId);
worldManager.enableEntity(characterId, myEntity.getWorldTranslation().add(Vector3f.UNIT_Y), myEntity.getWorldRotation());
}
}
}

/**
* handle entity shooting
* @param myEntity
*/
private void performShoot(Spatial myEntity) {
CharacterControl control = myEntity.getControl(CharacterControl.class);
if (control == null) {
Logger.getLogger(ServerGameManager.class.getName()).log(Level.WARNING, "Cannot shoot when not character!");
return;
}
worldManager.playWorldEffect("Effects/GunShotA.j3o", myEntity.getWorldTranslation(), 0.1f);
Vector3f hitLocation = new Vector3f();
Spatial hitEntity = worldManager.doRayTest(myEntity, 10, hitLocation);
if (hitEntity != null) {
long targetId = (Long) hitEntity.getUserData("entity_id");
Float hp = (Float) hitEntity.getUserData("HitPoints");
if (hp != null) {
hp -= 10;
worldManager.playWorldEffect("Effects/ExplosionA.j3o", hitLocation, 2.0f);
worldManager.setEntityUserData(targetId, "HitPoints", hp);
if (hp <= 0) {
worldManager.removeEntity(targetId);
worldManager.playWorldEffect("Effects/ExplosionB.j3o", hitEntity.getWorldTranslation(), 2.0f);
}
}
}
}
}

Change log

r115 by roystraver on Jul 21, 2011   Diff
Small changes in UI
Removed loading of Buggy due to error
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Older revisions

r107 by normen667 on Apr 20, 2011   Diff
- use Ferrari as Buggy is broken
somehow
- add "Enter" command, make your Ogre
enter the Ferrari and watch the
vehicle steering AI fail miserably ;)
r103 by normen667 on Mar 18, 2011   Diff
- Move to new SpiderMonkey API
r89 by normen667 on Feb 20, 2011   Diff
- move to AppStates for Managers
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