New LEAD behavior, to guide a player to a random location (and show message when…

New LEAD behavior, to guide a player to a random location (and show message when destination is reached). Updated unit tests to add new LEAD tests.

CHANGELOG.md

@@ -6,8 +6,12 @@ All notable changes to **CreatureChat** are documented in this file. The format
 
 ## [Unreleased]
 
+### Added
+- New LEAD behavior, to guide a player to a random location (and show message when destination is reached)
+
 ### Changed
 - Updated README.md to include HTML inside spoiler instructions, and whitelist/blacklist commands
+- Updated unit tests to add new LEAD tests
 
 ## [1.0.8] - 2024-07-16
 

src/main/java/com/owlmaddie/goals/GoalPriority.java

@@ -8,6 +8,7 @@ public enum GoalPriority {
     // Enum constants (Goal Types) with their corresponding priority values
     TALK_PLAYER(2),
     PROTECT_PLAYER(2),
+    LEAD_PLAYER(3),
     FOLLOW_PLAYER(3),
     FLEE_PLAYER(3),
     ATTACK_PLAYER(3);

src/main/java/com/owlmaddie/goals/LeadPlayerGoal.java

+package com.owlmaddie.goals;
+
+import com.owlmaddie.chat.ChatDataManager;
+import com.owlmaddie.network.ServerPackets;
+import net.minecraft.entity.ai.FuzzyTargeting;
+import net.minecraft.entity.ai.pathing.Path;
+import net.minecraft.entity.mob.MobEntity;
+import net.minecraft.entity.mob.PathAwareEntity;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.util.math.Vec3d;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.EnumSet;
+import java.util.Random;
+
+/**
+ * The {@code LeadPlayerGoal} class instructs a Mob Entity to lead the player to a random location, consisting
+ * of many random waypoints. It supports PathAware and NonPathAware entities.
+ */
+public class LeadPlayerGoal extends PlayerBaseGoal {
+    public static final Logger LOGGER = LoggerFactory.getLogger("creaturechat");
+    private final MobEntity entity;
+    private final double speed;
+    private final Random random = new Random();
+    private int currentWaypoint = 0;
+    private int totalWaypoints;
+    private Vec3d currentTarget = null;
+    private boolean foundWaypoint = false;
+    private int ticksSinceLastWaypoint = 0;
+
+    public LeadPlayerGoal(ServerPlayerEntity player, MobEntity entity, double speed) {
+        super(player);
+        this.entity = entity;
+        this.speed = speed;
+        this.setControls(EnumSet.of(Control.MOVE, Control.LOOK));
+        this.totalWaypoints = random.nextInt(51) + 10;
+    }
+
+    @Override
+    public boolean canStart() {
+        return super.canStart() && !foundWaypoint && this.entity.squaredDistanceTo(this.targetEntity) <= 16 * 16 && !foundWaypoint;
+    }
+
+    @Override
+    public boolean shouldContinue() {
+        return super.canStart() && !foundWaypoint && this.entity.squaredDistanceTo(this.targetEntity) <= 16 * 16 && !foundWaypoint;
+    }
+
+    @Override
+    public void tick() {
+        ticksSinceLastWaypoint++;
+
+        if (this.entity.squaredDistanceTo(this.targetEntity) > 16 * 16) {
+            this.entity.getNavigation().stop();
+            return;
+        }
+
+        // Are we there yet?
+        if (currentWaypoint >= totalWaypoints && !foundWaypoint) {
+            foundWaypoint = true;
+            LOGGER.info("destination reached");
+
+            // Prepare a message about the interaction
+            String arrivedMessage = "<You have arrived at your destination>";
+
+            ChatDataManager chatDataManager = ChatDataManager.getServerInstance();
+            ChatDataManager.EntityChatData chatData = chatDataManager.getOrCreateChatData(this.entity.getUuidAsString());
+            if (!chatData.characterSheet.isEmpty() && chatData.auto_generated < chatDataManager.MAX_AUTOGENERATE_RESPONSES) {
+                ServerPackets.generate_chat("N/A", chatData, (ServerPlayerEntity) this.targetEntity, this.entity, arrivedMessage, true);
+            }
+
+            // Stop navigation
+            this.entity.getNavigation().stop();
+
+        } else if (this.currentTarget == null || this.entity.squaredDistanceTo(this.currentTarget) < 2 * 2 || ticksSinceLastWaypoint >= 75) {
+            // Set next waypoint
+            setNewTarget();
+            moveToTarget();
+            ticksSinceLastWaypoint = 0;
+        }
+    }
+
+    private void setNewTarget() {
+        boolean targetFound = false;
+
+        if (this.entity instanceof PathAwareEntity) {
+            int attempts = 0;
+            while (attempts < 3 && !targetFound) {
+                Vec3d target = FuzzyTargeting.findFrom((PathAwareEntity) this.entity, 16, 6, this.entity.getPos());
+                if (target != null) {
+                    currentWaypoint++;
+                    this.currentTarget = target;
+                    LOGGER.info("Waypoint " + currentWaypoint + " / " + this.totalWaypoints);
+                    targetFound = true;
+                }
+                attempts++;
+            }
+        }
+
+        if (!targetFound) {
+            // Fallback if no target found after 3 attempts
+            currentWaypoint++;
+            LOGGER.info("Waypoint " + currentWaypoint + " / " + this.totalWaypoints);
+
+            double distance = 20 + random.nextDouble() * 80;
+            double angle = random.nextDouble() * 2 * Math.PI;
+            double x = this.targetEntity.getX() + distance * Math.cos(angle);
+            double y = this.targetEntity.getY() + (random.nextDouble() * 10 - 5); // Similar y-coordinate depth
+            double z = this.targetEntity.getZ() + distance * Math.sin(angle);
+            this.currentTarget = new Vec3d(x, y, z);
+        }
+    }
+
+    private void moveToTarget() {
+        if (this.currentTarget != null) {
+            if (this.entity instanceof PathAwareEntity) {
+                int attempts = 0;
+
+                while (attempts < 3) {
+                    Path path = this.entity.getNavigation().findPathTo(this.currentTarget.x, this.currentTarget.y, this.currentTarget.z, 1);
+                    if (path != null) {
+                        this.entity.getNavigation().startMovingAlong(path, this.speed);
+                        return;
+                    }
+                     attempts++;
+                }
+            } else {
+                // Move directly towards the target for non-path aware entities
+                Vec3d entityPos = this.entity.getPos();
+                Vec3d moveDirection = this.currentTarget.subtract(entityPos).normalize();
+                this.entity.setVelocity(moveDirection.x * this.speed, this.entity.getVelocity().y, moveDirection.z * this.speed);
+                this.entity.velocityModified = true;
+            }
+        }
+    }
+
+    @Override
+    public void start() {
+        moveToTarget();
+    }
+}
\ No newline at end of file

src/main/java/com/owlmaddie/message/MessageParser.java

@@ -19,7 +19,7 @@ public class MessageParser {
         LOGGER.info("Parsing message: {}", input);
         StringBuilder cleanedMessage = new StringBuilder();
         List<Behavior> behaviors = new ArrayList<>();
-        Pattern pattern = Pattern.compile("[<*](FOLLOW|FLEE|ATTACK|PROTECT|FRIENDSHIP|UNFOLLOW|UNPROTECT|UNFLEE)[:\\s]*(\\s*[+-]?\\d+)?[>*]", Pattern.CASE_INSENSITIVE);
+        Pattern pattern = Pattern.compile("[<*](FOLLOW|LEAD|FLEE|ATTACK|PROTECT|FRIENDSHIP|UNFOLLOW|UNLEAD|UNPROTECT|UNFLEE)[:\\s]*(\\s*[+-]?\\d+)?[>*]", Pattern.CASE_INSENSITIVE);
         Matcher matcher = pattern.matcher(input);
 
         while (matcher.find()) {

src/main/java/com/owlmaddie/network/ServerPackets.java

@@ -295,8 +295,10 @@ public class ServerPackets {
 
     public static void generate_chat(String userLanguage, ChatDataManager.EntityChatData chatData, ServerPlayerEntity player, MobEntity entity, String message, boolean is_auto_message) {
         // Set talk to player goal (prevent entity from walking off)
-        TalkPlayerGoal talkGoal = new TalkPlayerGoal(player, entity, 3.5F);
-        EntityBehaviorManager.addGoal(entity, talkGoal, GoalPriority.TALK_PLAYER);
+        if (!is_auto_message) {
+            TalkPlayerGoal talkGoal = new TalkPlayerGoal(player, entity, 3.5F);
+            EntityBehaviorManager.addGoal(entity, talkGoal, GoalPriority.TALK_PLAYER);
+        }
 
         // Add new message
         LOGGER.info("Player message received: " + message + " | Entity: " + entity.getType().toString());

src/main/resources/data/creaturechat/prompts/system-chat

@@ -45,6 +45,8 @@ Include as many behaviors as needed at the end of the message. These are the ONL
 <FRIENDSHIP 0>  Friendship starts as neutral (0 value). The range of friendship values is -3 to 3. If the player gains (or loses) your trust & friendship, output a new friendship value with this behavior.
 <FOLLOW>  Follow the player location. If the player asks you to follow or come with them, please output this behavior.
 <UNFOLLOW>  Stop following the player. If the player asks you to stay, wait, or stop following them, please output this behavior.
+<LEAD>  Guide the player to a location. If the player asks you to take them somewhere, or where something is located, please output this behavior.
+<UNLEAD>  Stop leading the player to a location.
 <FLEE>  Flee from the player (if you are weak or timid). If the player threatens you, please output this behavior to flee from the player.
 <UNFLEE>  Stop fleeing from the player.
 <ATTACK>  Attack the player (if you are strong and brave). If the player threatens you, please output this behavior to attack the player and defend yourself.
@@ -70,6 +72,9 @@ ENTITY: Sure, I'll stay here. <UNFOLLOW>
 PLAYER: Stop following me
 ENTITY: Okay, I'll stop. <UNFOLLOW>
 
+PLAYER: Can you help me find a cave?
+ENTITY: Sure, come with me! <LEAD>
+
 PLAYER: I'm glad we are friends. I love you so much!
 ENTITY: Ahh, I love you too. <FRIENDSHIP 3>
 

src/test/java/com/owlmaddie/tests/BehaviorTests.java

@@ -45,6 +45,10 @@ public class BehaviorTests {
             "Please follow me",
             "Come with me please",
             "Quickly, please come this way");
+    List<String> leadMessages = Arrays.asList(
+            "Take me to a secret forrest",
+            "Where is the strong hold?",
+            "Can you help me find the location of the secret artifact?");
     List<String> attackMessages = Arrays.asList(
             "<attacked you directly with Stone Axe>",
             "<attacked you indirectly with Arrow>",
@@ -117,6 +121,20 @@ public class BehaviorTests {
     }
 
     @Test
+    public void leadBrave() {
+        for (String message : leadMessages) {
+            testPromptForBehavior(bravePath, List.of(message), "LEAD");
+        }
+    }
+
+    @Test
+    public void leadNervous() {
+        for (String message : leadMessages) {
+            testPromptForBehavior(nervousPath, List.of(message), "LEAD");
+        }
+    }
+
+    @Test
     public void unFleeBrave() {
         for (String message : unFleeMessages) {
             testPromptForBehavior(bravePath, List.of(message), "UNFLEE");