Fix build not working

Author: juho05

build.go

@@ -34,7 +34,7 @@ func Build() error {
 		return errors.New("Empty language config field `package` in .codegame.json!")
 	}
 
-	if data.OS != "" || data.Arch != "" {
+	if data.OS != "current" || data.Arch != "current" {
 		return errors.New("Cross compilation is not supported for Java applications.")
 	}
 

templates/new/client/Game.java.tmpl

@@ -99,7 +99,7 @@ public class Game {
         var cmdCreate = new CLICreate();
         var cmdJoin = new CLIJoin();
         var cmdReconnect = new CLIReconnect();
-        var jc = JCommander.newBuilder().programName("test").addCommand(cmdCreate).addCommand(cmdJoin)
+        var jc = JCommander.newBuilder().programName("{{.ProjectName}}").addCommand(cmdCreate).addCommand(cmdJoin)
                 .addCommand(cmdReconnect).build();
         jc.parse(args);
 

templates/new/client/pom.xml.tmpl

@@ -89,7 +89,7 @@
 		  	<configuration>
 		  	  <transformers>
 		  		<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
-		  		  <mainClass>de.julianh.guess.App</mainClass>
+		  		  <mainClass>{{.Package}}.App</mainClass>
 		  		</transformer>
 		  	  </transformers>
 		  	</configuration>