Marauroa Chat Tutorial/Server: Difference between revisions

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imported>Hendrik Brummermann
imported>Hendrik Brummermann
added missing call to world.initialize() as reported by maxgmer
 
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{{Navigation for Marauroa Top|Using}}
{{Navigation for Marauroa Users}}
{{Marauroa Chat Tutorial}}



== Server ==
=== Code ===
== Code ==
In order to create a Marauroa-based game server you must provide at least implementation of the marauroa.server.game.rp.IRPRuleProcessor interface and a class for zone management, i.e. marauroa.server.game.rp.RPWorld descendant. You can use the marauroa.server.game.rp.RPWorld itself, but it doesn't provide you with any RPZones, while you will almost certainly need at least one.
In order to create a Marauroa-based game server you must provide at least implementation of the marauroa.server.game.rp.IRPRuleProcessor interface and a class for zone management, i.e. marauroa.server.game.rp.RPWorld descendant. You can use the marauroa.server.game.rp.RPWorld itself, but it doesn't provide you with any RPZones, while you will almost certainly need at least one.


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if (instance == null) {
if (instance == null) {
instance = new World();
instance = new World();
instance.initialize();
}
}
return instance;
return instance;
}
}
@Override
public void onInit() {
public void onInit() {
super.onInit();
super.onInit();
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<!-- Please, see details here http://stendhal.game-host.org/wiki/index.php/Refactoring_Database_Access_in_Marauroa. -->
<!-- Please, see details here http://stendhal.game-host.org/wiki/index.php/Refactoring_Database_Access_in_Marauroa. -->
<source lang="java">
<source lang="java">
import java.util.List;
import java.sql.SQLException;
import java.sql.SQLException;


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}
}


@Override
public void setContext(RPServerManager rpman) {
public void setContext(RPServerManager rpman) {
manager = rpman;
manager = rpman;
}
}


@Override
public boolean checkGameVersion(String game, String version) {
public boolean checkGameVersion(String game, String version) {
return game.equals("Chat");
return game.equals("Chat");
}
}


@Override
public synchronized void onTimeout(RPObject object) {
public synchronized void onTimeout(RPObject character) {
onExit(object);
onExit(character);
}
}


@Override
public synchronized boolean onExit(RPObject object) {
public synchronized boolean onExit(RPObject character) {
world.remove(object.getID());
world.remove(character.getID());
return true;
return true;
}
}


@Override
public synchronized boolean onInit(RPObject object) {
public synchronized boolean onInit(RPObject character) {
IRPZone zone = world.getRPZone(new IRPZone.ID("lobby"));
IRPZone zone = world.getRPZone(new IRPZone.ID("lobby"));
zone.add(object);
zone.add(character);
return true;
return true;
}
}


@Override
public synchronized void beginTurn() {
public synchronized void beginTurn() {
}
}


@Override
public boolean onActionAdd(RPObject caster, RPAction action, List<RPAction> actionList) {
public boolean onActionAdd(RPObject caster, RPAction action, List<RPAction> actionList) {
return true;
return true;
}
}


@Override
public synchronized void endTurn() {
public synchronized void endTurn() {
}
}


@Override
public void execute(RPObject caster, RPAction action) {
public void execute(RPObject caster, RPAction action) {
if (action.get("type").equals("chat")) {
if (action.get("type").equals("chat")) {
RPObject chat_entry = new RPObject();
RPObject chatEntry = new RPObject();
chat_entry.put("text", action.get("text"));
chatEntry.put("text", action.get("text"));
chat_entry.put("from", caster.get("nick"));
chatEntry.put("from", caster.get("nick"));
chat_entry.put("turn", manager.getTurn());
chatEntry.put("turn", manager.getTurn());
IRPZone zone = world.getRPZone(new IRPZone.ID(caster.getID().getZoneID()));
IRPZone zone = world.getRPZone(new IRPZone.ID(caster.getID().getZoneID()));
zone.assignRPObjectID(chat_entry);
zone.assignRPObjectID(chatEntry);
zone.add(chat_entry);
zone.add(chatEntry);
}
}
}
}


@Override
public AccountResult createAccount(String username, String password, String email) {
public AccountResult createAccount(String username, String password, String email) {
TransactionPool transactionPool = TransactionPool.get();
TransactionPool transactionPool = TransactionPool.get();
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}
}


@Override
public CharacterResult createCharacter(String username, String character, RPObject template) {
public CharacterResult createCharacter(String username, String characterName, RPObject template) {
TransactionPool transactionPool = TransactionPool.get();
TransactionPool transactionPool = TransactionPool.get();
DBTransaction trans = transactionPool.beginWork();
DBTransaction trans = transactionPool.beginWork();
CharacterDAO characterDAO = DAORegister.get().get(CharacterDAO.class);
CharacterDAO characterDAO = DAORegister.get().get(CharacterDAO.class);
try {
try {
if (characterDAO.hasCharacter(trans, username, character)) {
if (characterDAO.hasCharacter(trans, username, characterName)) {
return new CharacterResult(Result.FAILED_PLAYER_EXISTS, character, template);
return new CharacterResult(Result.FAILED_CHARACTER_EXISTS, characterName, template);
}
}
IRPZone zone = world.getRPZone(new IRPZone.ID("lobby"));
IRPZone zone = world.getRPZone(new IRPZone.ID("lobby"));
RPObject object = new RPObject(template);
RPObject character = new RPObject(template);
object.put("nick", character);
character.put("nick", characterName);
zone.assignRPObjectID(object);
zone.assignRPObjectID(character);
characterDAO.addCharacter(trans, username, character, object);
characterDAO.addCharacter(trans, username, characterName, character);
transactionPool.commit(trans);
transactionPool.commit(trans);
return new CharacterResult(Result.OK_CREATED, character, object);
return new CharacterResult(Result.OK_CREATED, characterName, character);
} catch (Exception e1) {
} catch (Exception e1) {
transactionPool.rollback(trans);
transactionPool.rollback(trans);


return new CharacterResult(Result.FAILED_EXCEPTION, character, template);
return new CharacterResult(Result.FAILED_EXCEPTION, characterName, template);
}
}
}
}
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Functions for creating account and character should find out whether to create a new account/character or not. In our case we just always do it (not for duplicates of course). Result of this actions is instantly written to the database. Note that client can provide a template for the avatar object (an RPObject associated with the character). It is up to you how to use it while constructing the actual avatar object. We take what client provides, add a "nick" property (the same as character name) and use the resulting one as an avatar object.
Functions for creating account and character should find out whether to create a new account/character or not. In our case we just always do it (not for duplicates of course). Result of this actions is instantly written to the database. Note that client can provide a template for the avatar object (an RPObject associated with the character). It is up to you how to use it while constructing the actual avatar object. We take what client provides, add a "nick" property (the same as character name) and use the resulting one as an avatar object.


=== Deployment ===
== Deployment ==
So, we have two files, World.java and Rule.java, which contain the classes mentioned above.
So, we have two files, World.java and Rule.java, which contain the classes mentioned above.


You can compile them using command
On Windows, you can compile them using command
<pre>
<pre>
javac -cp marauroa.jar;log4j.jar;. *.java
javac -cp marauroa.jar;log4j.jar;. *.java
</pre>
On Linux and MacOSX, you have to replace the ";" with ":".
<pre>
javac -cp marauroa.jar:log4j.jar:. *.java
</pre>
</pre>


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<pre>
<pre>
java -cp marauroa.jar;h2.jar;log4j.jar;. marauroa.server.marauroad -c server.ini
java -cp marauroa.jar;h2.jar;log4j.jar;. marauroa.server.marauroad -c server.ini
</pre>
Again, on Linux and MacOSX, you have to replace the ";" with ":".
<pre>
java -cp marauroa.jar:h2.jar:log4j.jar:. marauroa.server.marauroad -c server.ini
</pre>
</pre>


Of course, make sure that all the jars are in the current directory. Marauroa framework will parse server.ini file, find and load your classes World and Rule.
Of course, make sure that all the jars are in the current directory. Marauroa framework will parse server.ini file, find and load your classes World and Rule.

== Next Steps ==

In the next section of this tutorial, we will write the '''[[Marauroa Chat Tutorial/Text Client|client]]''' which will connect to our server.

[[Category:Marauroa]]
{{#breadcrumbs: [[Marauroa]] | [[Navigation for Marauroa Users|Using]] | [[Marauroa Chat Tutorial|Tutorial]] | [[Marauroa Chat Tutorial/Server|Server]]}}
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