fix world.getPlayerId() in multiuser settings

194/.gradle/gradle.log

@@ -13,15 +13,15 @@
 :compileApiJava UP-TO-DATE
 :processApiResources UP-TO-DATE
 :apiClasses UP-TO-DATE
-:sourceMainJava
+:sourceMainJava UP-TO-DATE
 :compileJavawarning: [options] bootstrap class path not set in conjunction with -source 1.6
 Note: Some input files use or override a deprecated API.
 Note: Recompile with -Xlint:deprecation for details.
 Note: Some input files use unchecked or unsafe operations.
 Note: Recompile with -Xlint:unchecked for details.
 1 warning
 
-:processResources
+:processResources UP-TO-DATE
 :classes
 :jar
 :sourceTestJava UP-TO-DATE
@@ -46,4 +46,4 @@ remapping source...
 
 BUILD SUCCESSFUL
 
-Total time: 35.777 secs
+Total time: 25.598 secs

python2-scripts/mcpipy/mcpi/minecraft.py

@@ -192,19 +192,21 @@ def __init__(self, connection=None, autoId=True):
         self.camera = CmdCamera(self.conn)
         self.entity = CmdEntity(self.conn)
 
+        self.playerId = None
+
         if autoId:
             try:
-                 playerId = int(environ['MINECRAFT_PLAYER_ID'])
-                 self.player = CmdPlayer(self.conn,playerId=playerId)
+                 self.playerId = int(environ['MINECRAFT_PLAYER_ID'])
+                 self.player = CmdPlayer(self.conn,playerId=self.playerId)
             except:
                 try:
-                    playerId = self.getPlayerId(environ['MINECRAFT_PLAYER_NAME'])
-                    self.player = CmdPlayer(self.conn,playerId=playerId)
+                    self.playerId = self.getPlayerId(environ['MINECRAFT_PLAYER_NAME'])
+                    self.player = CmdPlayer(self.conn,playerId=self.playerId)
                 except:
                     if security.AUTHENTICATION_USERNAME:
                         try:
-                            playerId = self.getPlayerId(security.AUTHENTICATION_USERNAME)
-                            self.player = CmdPlayer(self.conn,playerId=playerId)
+                            self.playerId = self.getPlayerId(security.AUTHENTICATION_USERNAME)
+                            self.player = CmdPlayer(self.conn,playerId=self.playerId)
                         except:
                             self.player = CmdPlayer(self.conn)
                     else:
@@ -337,7 +339,11 @@ def getHeight(self, *args):
 
     def getPlayerId(self, *args):
         """Get the id of the current player"""
-        return int(self.conn.sendReceive_flat("world.getPlayerId", flatten(args)))
+        a = flatten(args)
+        if self.playerId is not None and len(a) == 0:
+            return self.playerId
+        else:
+            return int(self.conn.sendReceive_flat("world.getPlayerId", flatten(args)))
 
     def getPlayerEntityIds(self):
         """Get the entity ids of the connected players => [id:int]"""