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#16 Udemy 2.5D RPG Handle player attacks - make enemy attacks track p…
…layer
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John Ludlow
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Oct 11, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,5 +1,3 @@ | ||
| using Godot; | ||
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| namespace Udemy25dRpg.Scenes.Characters.Enemy; | ||
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| public partial class Enemy : CharacterBase | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,27 +1,70 @@ | ||
| using System; | ||
| using System.Linq; | ||
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| using Godot; | ||
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| namespace Udemy25dRpg.Scenes.Characters.Enemy; | ||
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| public partial class EnemyAttackState : EnemyState | ||
| { | ||
| protected override void ExitState() | ||
| { | ||
| base.ExitState(); | ||
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| CharacterNode.AnimatedSprite3DNode.AnimationFinished -= HandleAnimationFinished; | ||
| } | ||
| private Vector3 _targetPosition; | ||
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| protected override void EnterState() | ||
| { | ||
| base.EnterState(); | ||
| protected override void ExitState() | ||
| { | ||
| base.ExitState(); | ||
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| CharacterNode.AnimatedSprite3DNode.AnimationFinished += HandleAnimationFinished; | ||
| CharacterNode.AnimatedSprite3DNode.Play(nameof(Enemy.EnemyAnimations.Attack)); | ||
| CharacterNode.AnimatedSprite3DNode.AnimationFinished -= HandleAnimationFinished; | ||
| CharacterNode.AnimatedSprite3DNode.FrameChanged -= HandleAnimationFrameChanged; | ||
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| } | ||
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| private void HandleAnimationFrameChanged() | ||
| { | ||
| switch (CharacterNode.AnimatedSprite3DNode.Animation) | ||
| { | ||
| case "Attack" when CharacterNode.AnimatedSprite3DNode.Frame == 3: | ||
| PerformHit(); | ||
| break; | ||
| } | ||
| } | ||
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| private void HandleAnimationFinished() | ||
| protected override void EnterState() | ||
| { | ||
| base.EnterState(); | ||
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| _targetPosition = CharacterNode | ||
| .AttackAreaNode | ||
| .GetOverlappingBodies() | ||
| .First() | ||
| .GlobalPosition; | ||
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| CharacterNode.AnimatedSprite3DNode.AnimationFinished += HandleAnimationFinished; | ||
| CharacterNode.AnimatedSprite3DNode.FrameChanged += HandleAnimationFrameChanged; | ||
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| CharacterNode.HitboxShapeNode.Disabled = true; | ||
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| CharacterNode.AnimatedSprite3DNode.Play(nameof(Enemy.EnemyAnimations.Attack)); | ||
| } | ||
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| private void HandleAnimationFinished() | ||
| { | ||
| if (CharacterNode | ||
| .AttackAreaNode | ||
| .GetOverlappingBodies() | ||
| .OfType<Player.Player>() | ||
| .Any()) | ||
| { | ||
| CharacterNode.StateMachineNode.SwitchState<EnemyChaseState>(); | ||
| EnterState(); | ||
| } | ||
| else | ||
| { | ||
| CharacterNode.StateMachineNode.SwitchState<EnemyChaseState>(); | ||
| } | ||
| } | ||
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| private void PerformHit() | ||
| { | ||
| CharacterNode.HitboxAreaNode.GlobalPosition = _targetPosition; | ||
| CharacterNode.HitboxShapeNode.Disabled = false; | ||
| } | ||
| } |
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