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Oscar
321
Code/AI/Enemy.cs
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321
Code/AI/Enemy.cs
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using Sandbox;
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using Sandbox.Citizen;
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using System;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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public sealed partial class Enemy : Component
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{
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public enum EnemyState
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{
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Idle,
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Chase,
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Attack,
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Patrol,
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Death
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}
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[Property, Sync] public int Health { get; set; } = 100;
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[Property] public float MaxSpeed { get; set; } = 400;
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[Property] public NavMeshAgent agent;
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[Property] public SkinnedModelRenderer renderer;
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[Property] public CitizenAnimationHelper AnimationHelper;
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[Property, Sync] public EnemyState CurrentState { get; set; } = EnemyState.Idle;
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[Property] public float DetectionRadius = 1000f;
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[Property] public float AttackRadius = 80f;
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[Property] public float AttackCooldown = 1f;
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[Property] public RagdollController RagdollController;
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[Property] public SoundPointComponent HitSound { get; set; }
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[Property] public GameObject bloodParticle { get; set; }
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private TimeSince _timeSinceLastAttack;
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private Dedugan _currentTarget;
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private TimeSince _lastTargetCheck;
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private const float TargetCheckInterval = 1.5f;
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private List<Dedugan> _potentialTargets = new();
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private TimeSince _lastSearchRefresh;
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private TimeSince _stateEnterTime;
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public event Action<EnemyState, EnemyState> OnStateChanged;
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protected override void OnStart()
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{
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renderer.Set( "scale_height", 2f );
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_timeSinceLastAttack = 0;
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_lastTargetCheck = 0;
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RefreshPotentialTargets();
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SwitchState( EnemyState.Idle );
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// if ( !Network.IsOwner ) return;
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if ( renderer is null )
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return;
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renderer.OnFootstepEvent += OnFootstepEvent;
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}
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protected override void OnUpdate()
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{
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// Всегда проверяем ближайшую цель
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if ( _lastTargetCheck > TargetCheckInterval && CurrentState != EnemyState.Death )
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{
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FindClosestTarget();
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_lastTargetCheck = 0;
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}
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switch ( CurrentState )
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{
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case EnemyState.Idle:
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UpdateIdleState();
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break;
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case EnemyState.Chase:
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UpdateChaseState();
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break;
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case EnemyState.Attack:
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UpdateAttackState();
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break;
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case EnemyState.Patrol:
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UpdatePatrolState();
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break;
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case EnemyState.Death:
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UpdateDeathState();
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break;
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}
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}
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private void SwitchState( EnemyState newState )
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{
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if ( CurrentState == newState ) return;
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if ( CurrentState == EnemyState.Death ) return;
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var previousState = CurrentState;
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CurrentState = newState;
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_stateEnterTime = 0;
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OnStateChanged?.Invoke( previousState, newState );
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switch ( newState )
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{
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case EnemyState.Idle:
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agent.Stop();
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AnimationHelper.HoldType = CitizenAnimationHelper.HoldTypes.None;
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AnimationHelper.WithVelocity( Vector3.Zero );
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renderer.Set( "scale_height", 2f );
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break;
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case EnemyState.Chase:
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agent.MaxSpeed = MaxSpeed;
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AnimationHelper.HoldType = CitizenAnimationHelper.HoldTypes.Punch;
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break;
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case EnemyState.Patrol:
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agent.MaxSpeed = MaxSpeed / 4;
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break;
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case EnemyState.Death:
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EnterDeathState();
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break;
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}
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}
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private void RefreshPotentialTargets()
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{
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_potentialTargets.Clear();
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foreach ( var player in Scene.Components.GetAll<Dedugan>() )
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{
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if ( player.IsValid() && player.Health > 0 )
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{
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_potentialTargets.Add( player );
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}
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}
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_lastSearchRefresh = 0;
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}
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private void FindClosestTarget()
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{
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// Обновляем список целей при необходимости
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if ( _lastSearchRefresh > 1f ) RefreshPotentialTargets();
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Dedugan closestTarget = null;
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float closestDistance = float.MaxValue;
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foreach ( var target in _potentialTargets )
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{
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if ( !target.IsValid() || target.Health <= 0 ) continue;
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float distance = Vector3.DistanceBetween( WorldPosition, target.WorldPosition );
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if ( distance <= DetectionRadius && distance < closestDistance )
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{
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closestDistance = distance;
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closestTarget = target;
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}
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else
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{
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_currentTarget = null;
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}
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}
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// Если нашли более близкую цель, переключаемся на нее
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if ( closestTarget != null && closestTarget != _currentTarget )
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{
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_currentTarget = closestTarget;
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// Если мы в состоянии атаки/погони и цель сменилась, перезапускаем движение
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if ( CurrentState == EnemyState.Chase || CurrentState == EnemyState.Attack )
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{
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agent.MoveTo( _currentTarget.WorldPosition );
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}
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}
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}
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private bool HasValidTarget()
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{
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return _currentTarget != null &&
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_currentTarget.IsValid() &&
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_currentTarget.Health > 0;
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}
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private void UpdateIdleState()
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{
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if ( HasValidTarget() )
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{
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Log.Info(_currentTarget);
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SwitchState( EnemyState.Chase );
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return;
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}
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if ( new Random().Next( 0, 100 ) > 90 )
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{
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SwitchState( EnemyState.Patrol );
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}
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SwitchState( EnemyState.Patrol );
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AnimationHelper.WithVelocity( Vector3.Zero );
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}
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private void UpdatePatrolState()
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{
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if ( HasValidTarget() )
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{
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SwitchState( EnemyState.Chase );
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return;
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}
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if ( agent.Velocity.Length <= 10 )
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{
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agent.MoveTo( Scene.NavMesh.GetRandomPoint() ?? WorldPosition );
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}
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AnimationHelper.WithVelocity( agent.Velocity );
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}
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private void UpdateChaseState()
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{
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if ( !HasValidTarget() )
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{
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SwitchState( EnemyState.Idle );
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return;
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}
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float distance = Vector3.DistanceBetween( _currentTarget.WorldPosition, WorldPosition );
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if ( distance <= AttackRadius )
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{
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SwitchState( EnemyState.Attack );
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return;
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}
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if ( distance > DetectionRadius )
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{
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SwitchState( EnemyState.Idle );
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return;
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}
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agent.MoveTo( _currentTarget.WorldPosition );
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AnimationHelper.WithVelocity( agent.Velocity );
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}
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private void UpdateAttackState()
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{
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if ( !HasValidTarget() )
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{
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SwitchState( EnemyState.Idle );
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return;
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}
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float distance = Vector3.DistanceBetween( _currentTarget.WorldPosition, WorldPosition );
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if ( distance > AttackRadius )
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{
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SwitchState( EnemyState.Chase );
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return;
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}
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agent.Stop();
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AnimationHelper.WithVelocity( Vector3.Zero );
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if ( _timeSinceLastAttack >= AttackCooldown )
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{
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var dir = _currentTarget.WorldPosition - WorldPosition;
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renderer.Set( "b_attack", true );
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_timeSinceLastAttack = 0;
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_currentTarget.ReportHit( dir, 1, 15 );
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CreateHitEffects( _currentTarget.WorldPosition + _currentTarget.WorldRotation.Up * 60, dir );
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}
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}
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private void EnterDeathState()
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{
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agent.Stop();
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AnimationHelper.WithVelocity( Vector3.Zero );
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if ( RagdollController != null ) RagdollController.Enabled = true;
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}
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private void UpdateDeathState()
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{
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// Логика состояния смерти
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}
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public void Die()
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{
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SwitchState( EnemyState.Death );
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DestroyAsync( GameObject, 5f );
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}
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[Rpc.Broadcast]
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public void ReportHit( Vector3 dir, int boneIndex, int damage = 25 )
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{
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renderer.Set( "hit", true );
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renderer.Set( "hit_bone", boneIndex );
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renderer.Set( "hit_direction", dir );
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renderer.Set( "hit_offset", dir );
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renderer.Set( "hit_strength", 5 );
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Health -= damage;
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if ( Health <= 0 )
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{
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Die();
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}
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}
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[Rpc.Broadcast]
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private void CreateHitEffects( Vector3 position, Vector3 normal )
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{
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if ( HitSound != null ) HitSound.StartSound();
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if ( bloodParticle != null )
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{
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var rot = Rotation.LookAt( normal );
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DestroyAsync( bloodParticle.Clone( position, rot ), 0.5f );
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}
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}
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async void DestroyAsync( GameObject go, float delay )
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{
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await GameTask.DelaySeconds( delay );
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if ( go != null && go.IsValid() ) go.Destroy();
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}
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}
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