Added initial support for discrete movement (#81)

* Added discrete movement support (north, south, west and east)

* moved oping agents into ServerStateMachine class

src/main/java/io/singularitynet/MissionHandlers/CommandForDiscreteRobotNavigationImplementation.java

@@ -0,0 +1,71 @@
+package io.singularitynet.MissionHandlers;
+
+import io.singularitynet.projectmalmo.MissionInit;
+import net.minecraft.client.MinecraftClient;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+import java.util.Map;
+
+
+public class CommandForDiscreteRobotNavigationImplementation extends CommandBase {
+
+    private static final Logger LOGGER = LogManager.getLogger(CommandForDiscreteRobotNavigationImplementation.class.getName());
+
+    private boolean moveAgent(String movement){
+        try {
+            MinecraftClient client = MinecraftClient.getInstance();
+            LOGGER.debug("moving agent to " + movement);
+            client.player.networkHandler.sendCommand("tp " + movement);
+            return true;
+        }  catch (Exception e) {
+            LogManager.getLogger().warn("Failed to move agent to " + movement);
+            LogManager.getLogger().warn(e);
+            return false;
+        }
+    }
+
+
+    @Override
+    protected boolean onExecute(String verb, String parameter, MissionInit missionInit) {
+
+        if (verb == null || verb.length() == 0)
+        {
+            return false;
+        }
+        Map<String, String> moveMap = Map.of(
+                "movewest", "~-1 ~ ~",
+                "moveeast", "~1 ~ ~",
+                "movenorth", "~ ~ ~-1",
+                "movesouth", "~ ~ ~1"
+        );
+        String parameters[] = parameter.split(" ");
+        if (parameters.length != 1) return false;
+        // Now parse the command:
+        String lowerVerb = verb.toLowerCase();
+        if (!moveMap.containsKey(lowerVerb)){
+            return false;
+        }
+        return moveAgent(moveMap.get(lowerVerb));
+    }
+
+    @Override
+    public boolean isOverriding() {
+        return false;
+    }
+
+    @Override
+    public void setOverriding(boolean b) {
+
+    }
+
+    @Override
+    public void install(MissionInit currentMissionInit) {
+
+    }
+
+    @Override
+    public void deinstall(MissionInit currentMissionInit) {
+
+    }
+}

src/main/java/io/singularitynet/MissionHandlers/DiscreteMovementCommandsImplementation.java

@@ -0,0 +1,34 @@
+package io.singularitynet.MissionHandlers;
+
+import io.singularitynet.MissionHandlerInterfaces.ICommandHandler;
+import io.singularitynet.projectmalmo.DiscreteMovementCommands;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+public class DiscreteMovementCommandsImplementation extends CommandGroup implements ICommandHandler {
+
+    private static final Logger LOGGER = LogManager.getLogger(DiscreteMovementCommandsImplementation.class.getName());
+
+    public DiscreteMovementCommandsImplementation(){
+        setShareParametersWithChildren(true);	// Pass our parameter block on to the following children:
+        this.addCommandHandler(new CommandForAttackAndUseImplementation());
+        this.addCommandHandler(new CommandForDiscreteRobotNavigationImplementation());
+    }
+
+    @Override
+    public boolean parseParameters(Object params)
+    {
+        super.parseParameters(params);
+
+        if (params == null || !(params instanceof DiscreteMovementCommands))
+            return false;
+
+        DiscreteMovementCommands dmparams = (DiscreteMovementCommands)params;
+        setUpAllowAndDenyLists(dmparams.getModifierList());
+        return true;
+    }
+
+    @Override
+    public boolean isFixed() { return true; }
+
+}

src/main/java/io/singularitynet/Server/ServerStateMachine.java

@@ -18,6 +18,7 @@
 // --------------------------------------------------------------------------------------------------
 package io.singularitynet.Server;
 
+import com.mojang.authlib.GameProfile;
 import io.singularitynet.*;
 import io.singularitynet.MissionHandlers.MissionBehaviour;
 import io.singularitynet.events.ServerEntityEventsVereya;
@@ -40,6 +41,7 @@
 
 import net.minecraft.item.ItemStack;
 import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.OperatorEntry;
 import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.server.world.ServerWorld;
 import net.minecraft.util.ActionResult;
@@ -783,6 +785,15 @@ else if (messageType == VereyaMessageType.CLIENT_AGENTRUNNING)
                         episodeHasCompleted(ServerState.RUNNING);
                     }
                 }
+                MinecraftServer minecraftServer = server.get();
+                if (minecraftServer == null){
+                    LOGGER.error("WaitingForAgentsEpisode.onMessage: server is null");
+                    return;
+                }
+                GameProfile gameProfile = player.getGameProfile();
+                OperatorEntry operatorEntry = new OperatorEntry(gameProfile, 4, true);
+                minecraftServer.getPlayerManager().getOpList().add(operatorEntry);
+                LOGGER.info(player.getName() + " was given op permissions");
             }
         }
 

src/main/java/io/singularitynet/Server/VereyaModServer.java

@@ -76,6 +76,7 @@ public void onInitialize() {
                 this.stateMachine.queueStateChange(ServerState.WAITING_FOR_MOD_READY);
             }
         });
+
     }
 
     public void sendMissionInitDirectToServer(MissionInit minit) throws Exception