Working on AI movement completed UI system etc

Assets/Polyart/PolyartStudio/DreamscapeCastle/Scenes/DemoExterior.unity

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Assets/Prefabs/UI/AbilityUIItem.prefab

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Assets/ScriptableObjects/Abilities/Channel Heal Ability.asset

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+  displayName: Channel Heal
+  icon: {fileID: 10913, guid: 0000000000000000f000000000000000, type: 0}
+  manaCost: 10
+  cooldown: 2
+  description: 
+  channelTime: 5
+  healAmount: 50

Assets/ScriptableObjects/Abilities/Channel Heal Ability.asset.meta

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Assets/ScriptableObjects/Abilities/Fireball Ability.asset

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   displayName: Fireball
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Assets/Scripts/Abilities/AbilityClasses/ChannelHealAbility.cs

@@ -0,0 +1,50 @@
+using System.Collections;
+using UnityEngine;
+
+[CreateAssetMenu(menuName = "Abilities/Channel Heal")]
+public class ChannelHealAbility : Ability
+{
+    public float channelTime = 5f;     // seconds to wait
+    public float healAmount = 50f;     // how much to heal
+
+    public override void Activate(AbilityUser user)
+    {
+        if (!user) return;
+        user.StartCoroutine(ChannelRoutine(user));
+    }
+
+    private IEnumerator ChannelRoutine(AbilityUser user)
+    {
+        float elapsed = 0f;
+
+        while (elapsed < channelTime)
+        {
+            // Cancel if player moves
+            if (IsPlayerMoving())
+            {
+                Debug.Log("Heal cancelled: player moved.");
+                yield break;
+            }
+
+            elapsed += Time.deltaTime;
+            yield return null;
+        }
+
+        // Heal and spend mana on completion
+        if (user.mana && !user.mana.Spend(manaCost))
+        {
+            Debug.Log("Not enough mana to complete heal.");
+            yield break;
+        }
+
+        if (user.health) user.health.Heal(healAmount);
+        Debug.Log($"Healed {healAmount} HP after channel.");
+    }
+
+    private bool IsPlayerMoving()
+    {
+        float h = Input.GetAxisRaw("Horizontal");
+        float v = Input.GetAxisRaw("Vertical");
+        return (Mathf.Abs(h) > 0.01f || Mathf.Abs(v) > 0.01f);
+    }
+}

Assets/Scripts/Abilities/AbilityClasses/ChannelHealAbility.cs.meta

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Assets/Scripts/Abilities/AbilityClasses/FreezeShardAbility.cs

@@ -0,0 +1,39 @@
+using UnityEngine;
+
+[CreateAssetMenu(menuName = "Abilities/Freeze Shard")]
+public class FreezeShardAbility : Ability
+{
+    public GameObject projectilePrefab;
+    public float speed = 20f;
+    public float damage = 0f; // optional direct damage
+    public float freezeDuration = 3f;
+    public float lifeTime = 4f;
+    public float spawnOffset = 0.5f;
+
+    public override void Activate(AbilityUser user)
+    {
+        if (!user || !projectilePrefab) return;
+
+        var pos = user.CastPos() + user.Forward() * spawnOffset;
+        var rot = Quaternion.LookRotation(user.Forward());
+        var go = Instantiate(projectilePrefab, pos, rot);
+
+        var rb = go.GetComponent<Rigidbody>();
+        if (rb) rb.velocity = user.Forward() * speed;
+
+        var shard = go.GetComponent<FreezeShardProjectile>();
+        if (!shard) shard = go.AddComponent<FreezeShardProjectile>();
+        shard.damage = damage;
+        shard.freezeDuration = freezeDuration;
+        shard.ownerRoot = user.transform;
+
+        var projCol = go.GetComponent<Collider>();
+        if (projCol)
+        {
+            foreach (var oc in user.GetComponentsInChildren<Collider>())
+                Physics.IgnoreCollision(projCol, oc, true);
+        }
+
+        Destroy(go, lifeTime);
+    }
+}

Assets/Scripts/Abilities/AbilityClasses/FreezeShardAbility.cs.meta

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Assets/Scripts/Abilities/AbilityInput.cs

@@ -1,3 +1,4 @@
+using System;
 using UnityEngine;
 
 public class AbilityInput : MonoBehaviour
@@ -6,6 +7,17 @@ public class AbilityInput : MonoBehaviour
     public AbilityUser user;
     public AbilitySlot[] slots = new AbilitySlot[4];
 
+    private void Start()
+    {
+        foreach (var slot in slots)
+        {
+            if (slot.abilityUiItem)
+            {
+                slot.abilityUiItem.Init(slot.ability);
+            }
+        }
+    }
+
     void Update()
     {
         foreach (var s in slots) s?.Tick(Time.deltaTime);

Assets/Scripts/Abilities/AbilitySlot.cs

@@ -4,6 +4,7 @@ using UnityEngine;
 public class AbilitySlot
 {
     public Ability ability;
+    public AbilityUIItem abilityUiItem;
     [HideInInspector] public float cdTimer; // counts down at runtime
 
     public bool IsOnCooldown => cdTimer > 0f;

Assets/Scripts/Behvaiours/FreezableNavAgent.cs

@@ -0,0 +1,121 @@
+using UnityEngine;
+using UnityEngine.AI;
+using System.Collections;
+
+[RequireComponent(typeof(NavMeshAgent))]
+public class FreezableNavAgent : MonoBehaviour, IFreezable
+{
+    [Header("Optional")]
+    [SerializeField] Animator animator;          // optional: pause/resume anim
+    [SerializeField] string speedParam = "Speed"; // optional: set 0 while frozen
+
+    // Saved agent settings
+    float _origSpeed, _origAccel, _origAngSpeed;
+    bool _frozen;
+    Coroutine _freezeCo;
+
+    NavMeshAgent _agent;
+
+    void Awake()
+    {
+        _agent = GetComponent<NavMeshAgent>();
+        if (!animator) animator = GetComponentInChildren<Animator>();
+        CacheOriginals();
+    }
+
+    void OnEnable() { CacheOriginals(); }
+
+    void CacheOriginals()
+    {
+        if (_agent == null) return;
+        _origSpeed     = _agent.speed;
+        _origAccel     = _agent.acceleration;
+        _origAngSpeed  = _agent.angularSpeed;
+    }
+
+    public void Freeze(float duration)
+    {
+        // If already frozen, refresh duration
+        if (_freezeCo != null) StopCoroutine(_freezeCo);
+        _freezeCo = StartCoroutine(FreezeRoutine(duration));
+    }
+
+    IEnumerator FreezeRoutine(float duration)
+    {
+        // Enter freeze
+        if (!_frozen) EnterFreeze();
+
+        // Wait for duration
+        float t = duration;
+        while (t > 0f)
+        {
+            t -= Time.deltaTime;
+            yield return null;
+        }
+
+        // Exit
+        ExitFreeze();
+        _freezeCo = null;
+    }
+
+    void EnterFreeze()
+    {
+        _frozen = true;
+
+        // Stop movement immediately
+        if (_agent)
+        {
+            _agent.isStopped = true;       // halts pathfinding updates
+            _agent.ResetPath();            // clear current path
+            _agent.velocity = Vector3.zero;
+
+            // Optional: zero out movement-related params to avoid jitter
+            _agent.speed = 0f;
+            _agent.acceleration = 0f;
+            _agent.angularSpeed = 0f;
+        }
+
+        // Pause animations
+        if (animator)
+        {
+            animator.speed = 0f;
+            if (!string.IsNullOrEmpty(speedParam) && animator.HasParameterOfType(speedParam, AnimatorControllerParameterType.Float))
+                animator.SetFloat(speedParam, 0f);
+        }
+    }
+
+    void ExitFreeze()
+    {
+        _frozen = false;
+
+        if (_agent)
+        {
+            // Restore movement settings
+            _agent.speed         = _origSpeed;
+            _agent.acceleration  = _origAccel;
+            _agent.angularSpeed  = _origAngSpeed;
+            _agent.isStopped     = false;
+        }
+
+        if (animator)
+        {
+            animator.speed = 1f;
+            // (Your AI animation controller will resume updating speedParam from its movement script)
+        }
+    }
+
+    // Handy debug
+    [ContextMenu("Debug/Freeze 2s")]
+    void DebugFreeze2() => Freeze(2f);
+}
+
+// Small helper so we can safely check an Animator param
+static class AnimatorExt
+{
+    public static bool HasParameterOfType(this Animator self, string name, AnimatorControllerParameterType type)
+    {
+        foreach (var p in self.parameters)
+            if (p.type == type && p.name == name) return true;
+        return false;
+    }
+}

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Assets/Scripts/Behvaiours/FreezeShardProjectile.cs

@@ -0,0 +1,31 @@
+using UnityEngine;
+using System.Collections;
+
+public class FreezeShardProjectile : MonoBehaviour
+{
+    public float damage;
+    public float freezeDuration;
+    public Transform ownerRoot;
+    public float armTime = 0.05f;
+    float spawnTime;
+
+    void Awake() => spawnTime = Time.time;
+
+    void OnTriggerEnter(Collider other)
+    {
+        if (Time.time - spawnTime < armTime) return;
+        if (ownerRoot && other.transform.root == ownerRoot) return;
+
+        if (other.TryGetComponent<IDamageable>(out var dmg))
+        {
+            if (damage > 0) dmg.ApplyDamage(damage);
+        }
+
+        if (other.TryGetComponent<IFreezable>(out var freezable))
+        {
+            freezable.Freeze(freezeDuration);
+        }
+
+        Destroy(gameObject);
+    }
+}

Assets/Scripts/Behvaiours/FreezeShardProjectile.cs.meta

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Assets/Scripts/Interfaces/IFreezable.cs

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+public interface IFreezable
+{
+    void Freeze(float duration);
+}

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Assets/Scripts/UI/AbilityUIItem.cs

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+using System.Collections;
+using System.Collections.Generic;
+using TMPro;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class AbilityUIItem : MonoBehaviour
+{
+   [SerializeField] private Image abilityIcon;
+   [SerializeField] private TMP_Text abilityName;
+   [SerializeField] private TMP_Text abilityKeyText;
+   
+   public void Init(Ability ability)
+   {
+      this.abilityIcon.sprite = ability.icon;
+      this.abilityName.text = ability.displayName;
+      this.abilityKeyText = abilityKeyText;
+   }
+}

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