HighGroundRoyaleNetcode/Assets/Scripts/Gameplay/AbilitySystem.cs

using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Unity.BossRoom.Gameplay.GameplayObjects.Character;
using Unity.Netcode;
using UnityEngine;

public class AbilitySystem : NetworkBehaviour
{
    [Header("Assigned Abilities")]
    public List<Ability> abilities = new List<Ability>();

    private Ability activeAbility;
    private bool isAbilityActive = false;
    private HashSet<Ability> abilitiesOnCooldown = new HashSet<Ability>();
    [SerializeField] private GameObject currentAbilityIndicator;

    void Update()
    {
        if (isAbilityActive)
        {
            UpdateIndicatorPosition();

            if (Input.GetMouseButtonDown(0))
            {
                UseActiveAbility();
            }
        }
    }

    public void ActivateAbilityByKey(string key)
    {
        foreach (var ability in abilities)
        {
            if (ability.abilityKey == key)
            {
                if (!abilitiesOnCooldown.Contains(ability))
                {
                    ToggleAbilityMode(ability);
                }
                else
                {
                    Debug.Log($"{ability.abilityName} is on cooldown.");
                }
                return;
            }
        }
        Debug.LogWarning($"No ability assigned to key {key}.");
    }

    public bool IsAbilityModeActive()
    {
        return isAbilityActive;
    }

    private void ToggleAbilityMode(Ability ability)
    {
        if (isAbilityActive && activeAbility == ability)
        {
            DeactivateAbilityMode();
        }
        else
        {
            ActivateAbilityMode(ability);
        }
    }

    private void ActivateAbilityMode(Ability ability)
    {
        isAbilityActive = true;
        activeAbility = ability;
        currentAbilityIndicator?.SetActive(true);
        Debug.Log($"Ability {ability.abilityName} activated! Click to use.");
    }

    private void DeactivateAbilityMode()
    {
        isAbilityActive = false;
        activeAbility = null;
        currentAbilityIndicator?.SetActive(false);
        Debug.Log("Ability mode deactivated.");
    }

    public void UseActiveAbility()
    {
        if (activeAbility != null)
        {
            Debug.Log($"[AbilitySystem] Using active ability {activeAbility.abilityName}.");
            Vector3 targetPosition = currentAbilityIndicator.transform.position;
            RequestAbilityActivationServerRpc(activeAbility.abilityKey, targetPosition);
            StartCoroutine(StartCooldown(activeAbility));
            DeactivateAbilityMode();
        }
        else
        {
            Debug.LogWarning("[AbilitySystem] No active ability to use.");
        }
    }

    [ServerRpc(RequireOwnership = false)]
    private void RequestAbilityActivationServerRpc(string abilityKey, Vector3 targetPosition, ServerRpcParams rpcParams = default)
    {
        ulong ownerClientId = rpcParams.Receive.SenderClientId;

        Debug.Log($"[AbilitySystem] Received activation request for ability '{abilityKey}' from client {ownerClientId} at position {targetPosition}.");

        ExecuteAbilityOnServer(abilityKey, ownerClientId, targetPosition);
    }

    private void ExecuteAbilityOnServer(string abilityKey, ulong ownerClientId, Vector3 targetPosition)
    {
        // Find the player's ServerCharacter
        var playerObject = NetworkManager.Singleton.SpawnManager.SpawnedObjectsList
            .FirstOrDefault(obj => obj.OwnerClientId == ownerClientId && obj.GetComponent<ServerCharacter>());

        if (playerObject == null || !playerObject.TryGetComponent(out ServerCharacter character))
        {
            Debug.LogError($"[AbilitySystem] No ServerCharacter component found for player {ownerClientId}.");
            return;
        }

        // Find the ability
        var ability = abilities.Find(a => a.abilityKey == abilityKey);
        if (ability == null)
        {
            Debug.LogError($"[AbilitySystem] Ability {abilityKey} not found in the Ability System.");
            return;
        }

        // Activate the ability
        Debug.Log($"[AbilitySystem] Activating ability {ability.abilityName} for player {ownerClientId} at {targetPosition}.");
        ability.Execute(character, targetPosition);
    }

    private IEnumerator StartCooldown(Ability ability)
    {
        abilitiesOnCooldown.Add(ability);
        Debug.Log($"{ability.abilityName} is now on cooldown for {ability.abilityCooldownTime} seconds.");

        yield return new WaitForSeconds(ability.abilityCooldownTime);

        abilitiesOnCooldown.Remove(ability);
        Debug.Log($"{ability.abilityName} is off cooldown.");
    }

    private void UpdateIndicatorPosition()
    {
        // Raycast to get the position of the cursor on the ground
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        if (Physics.Raycast(ray, out RaycastHit hit))
        {
            if (currentAbilityIndicator != null)
            {
                currentAbilityIndicator.transform.position = hit.point;
                currentAbilityIndicator.transform.localScale = Vector3.one * activeAbility.abilityRadius;
            }
        }
    }
}