Hallucination system

2026-03-16 17:06:47 +01:00
parent 10faf74405
commit 0d968f75ab
44 changed files with 2860 additions and 909 deletions
@@ -0,0 +1,248 @@
+using UnityEngine;
+using System.Collections;
+using System.Collections.Generic;
+using Unheimlich.Features.Dialogue.Data;
+using Unheimlich.Features.Dialogue.UI;
+using Unheimlich.Features.Player;
+using Unheimlich.Core.Utils;
+using RotationAxis = Unheimlich.Features.Dialogue.Data.RotationAxis;
+using ChoiceSpawnMode = Unheimlich.Features.Dialogue.Data.ChoiceSpawnMode;
+
+namespace Unheimlich.Features.Hallucination
+{
+    /// <summary>
+    /// Listens to HallucinationManager.OnHallucinationTriggered and spawns ghost words
+    /// that float in world space and drift toward the player.
+    /// Reuses the existing ChoiceFocusHandler prefab and its organic shake system.
+    /// Add this component to the HallucinationManager GameObject or any persistent scene object.
+    /// </summary>
+    public class HallucinationWordSpawner : MonoBehaviour
+    {
+        private const float CanvasLocalScale = 0.01f;
+
+        [Header("References")]
+        [Tooltip("Prefab used to render each ghost word (ChoiceFocusHandler)")]
+        [SerializeField] private ChoiceFocusHandler _wordPrefab;
+
+        [Header("Ghost Word Behaviour")]
+        [Tooltip("Speed at which the ghost word drifts toward the player")]
+        [SerializeField] private float _driftSpeed = 0.4f;
+
+        [Tooltip("Distance from the player at which the ghost word stops drifting")]
+        [SerializeField] private float _stopDistance = 1.5f;
+
+        [Tooltip("Fade-in duration when a ghost word appears")]
+        [SerializeField] private float _fadeInDuration = 0.5f;
+
+        [Tooltip("Fade-out duration before the ghost word is destroyed")]
+        [SerializeField] private float _fadeOutDuration = 0.8f;
+
+        [Header("Shake Settings")]
+        [Tooltip("Shake radius applied to ghost words (world units)")]
+        [SerializeField] private float _shakeRadius = 15f;
+
+        [Tooltip("Shake speed")]
+        [SerializeField] private float _shakeSpeed = 2f;
+
+        [Tooltip("Shake smoothness")]
+        [SerializeField] private float _shakeSmoothness = 5f;
+
+        private readonly List<GhostWordInstance> _activeWords = new List<GhostWordInstance>();
+
+        // ─── Lifecycle ─────────────────────────────────────────────────────────────
+
+        private void OnEnable()
+        {
+            if (HallucinationManager.Instance != null)
+                HallucinationManager.Instance.OnHallucinationTriggered += OnHallucinationTriggered;
+        }
+
+        private void OnDisable()
+        {
+            if (HallucinationManager.Instance != null)
+                HallucinationManager.Instance.OnHallucinationTriggered -= OnHallucinationTriggered;
+        }
+
+        private void Update()
+        {
+            for (int i = _activeWords.Count - 1; i >= 0; i--)
+            {
+                GhostWordInstance instance = _activeWords[i];
+
+                if (instance.Handler == null)
+                {
+                    _activeWords.RemoveAt(i);
+                    continue;
+                }
+
+                DriftTowardPlayer(instance);
+            }
+        }
+
+        // ─── Event Handler ─────────────────────────────────────────────────────────
+
+        private void OnHallucinationTriggered(HallucinationEvent hallucinationEvent)
+        {
+            if (!hallucinationEvent.SpawnGhostWord || _wordPrefab == null)
+                return;
+
+            SpawnGhostWord(hallucinationEvent);
+        }
+
+        // ─── Spawn ─────────────────────────────────────────────────────────────────
+
+        private void SpawnGhostWord(HallucinationEvent hallucinationEvent)
+        {
+            if (PlayerController.Instance == null)
+            {
+                Debug.LogWarning("[HallucinationWordSpawner] PlayerController not found, cannot spawn ghost word.", this);
+                return;
+            }
+
+            // World-space canvas container — mirrors the pattern in FloatingWordsSpawner
+            GameObject container = new GameObject($"GhostWord_{hallucinationEvent.Label}");
+            Canvas canvas = container.AddComponent<Canvas>();
+            canvas.renderMode = RenderMode.WorldSpace;
+            container.transform.localScale = Vector3.one * CanvasLocalScale;
+
+            // Position relative to player + event offset
+            Vector3 spawnPosition = PlayerController.Instance.transform.position
+                                    + PlayerController.Instance.transform.TransformDirection(hallucinationEvent.GhostWordSpawnOffset);
+            container.transform.position = spawnPosition;
+            container.transform.LookAt(PlayerController.Instance.transform.position);
+
+            // Spawn the word handler
+            ChoiceFocusHandler handler = Instantiate(_wordPrefab, container.transform);
+            handler.transform.localPosition = Vector3.zero;
+            handler.transform.localRotation = Quaternion.identity;
+            handler.transform.localScale = Vector3.one;
+
+            // Build a ghost-only DialogueChoiceData (no NextNode, no localization key)
+            DialogueChoiceData ghostData = new DialogueChoiceData
+            {
+                ChoiceTextOverride = hallucinationEvent.GhostWordText,
+                NextNode = null
+            };
+
+            FloatingWordsSpawner.SpawnConfig config = BuildGhostConfig();
+            handler.Setup(ghostData, config, disableFloatingEffects: false);
+            handler.StartOrganicShake();
+
+            // Fade-in via CanvasGroup
+            CanvasGroup canvasGroup = handler.GetComponent<CanvasGroup>();
+            if (canvasGroup == null)
+                canvasGroup = handler.gameObject.AddComponent<CanvasGroup>();
+
+            canvasGroup.alpha = 0f;
+            TweenHelper.FadeCanvasGroup(canvasGroup, 1f, _fadeInDuration, null, LeanTweenType.easeOutQuad);
+
+            GhostWordInstance instance = new GhostWordInstance
+            {
+                Handler = handler,
+                Container = container,
+                CanvasGroup = canvasGroup,
+                Lifetime = hallucinationEvent.GhostWordLifetime,
+                ElapsedTime = 0f,
+                IsFadingOut = false
+            };
+
+            _activeWords.Add(instance);
+            StartCoroutine(LifetimeRoutine(instance));
+        }
+
+        // ─── Drift ─────────────────────────────────────────────────────────────────
+
+        private void DriftTowardPlayer(GhostWordInstance instance)
+        {
+            if (PlayerController.Instance == null || instance.IsFadingOut)
+                return;
+
+            Transform container = instance.Container.transform;
+            Vector3 playerPos = PlayerController.Instance.transform.position;
+            float distance = Vector3.Distance(container.position, playerPos);
+
+            if (distance > _stopDistance)
+            {
+                Vector3 direction = (playerPos - container.position).normalized;
+                container.position += direction * _driftSpeed * Time.deltaTime;
+            }
+
+            // Always face the player
+            container.LookAt(playerPos);
+        }
+
+        // ─── Lifetime ──────────────────────────────────────────────────────────────
+
+        private IEnumerator LifetimeRoutine(GhostWordInstance instance)
+        {
+            float aliveTime = Mathf.Max(0f, instance.Lifetime - _fadeOutDuration);
+            yield return new WaitForSeconds(aliveTime);
+
+            if (instance.Handler == null)
+                yield break;
+
+            instance.IsFadingOut = true;
+            instance.Handler.StopOrganicShake();
+
+            if (instance.CanvasGroup != null)
+                TweenHelper.FadeCanvasGroup(instance.CanvasGroup, 0f, _fadeOutDuration, null, LeanTweenType.easeInQuad);
+
+            yield return new WaitForSeconds(_fadeOutDuration);
+
+            _activeWords.Remove(instance);
+
+            if (instance.Container != null)
+                Destroy(instance.Container);
+        }
+
+        // ─── Config ────────────────────────────────────────────────────────────────
+
+        private FloatingWordsSpawner.SpawnConfig BuildGhostConfig()
+        {
+            float sanityMultiplier = HallucinationManager.Instance != null
+                ? HallucinationManager.Instance.WordShakeMultiplier
+                : 1f;
+
+            return new FloatingWordsSpawner.SpawnConfig
+            {
+                SpawnRadius = 0f,
+                SpawnHeightOffset = 0f,
+                RotationAxis = RotationAxis.Up,
+                EnableOrganicShake = true,
+                ForwardOffset = 0f,
+                TiltAngle = 0f,
+                RotationSpeed = 0f,
+                EnableRotation = false,
+                SpawnMode = ChoiceSpawnMode.AtAnchorPosition,
+                EnableFloating = false,
+                MergeDuration = 0.3f,
+                MergeScalePulse = 1f,
+                EnableGhostTrail = true,
+                GhostTrailAlpha = 0.25f,
+                GhostTrailDelay = 0.08f,
+                ShakeRadius = _shakeRadius * sanityMultiplier,
+                ShakeSpeed = _shakeSpeed,
+                ShakeSmoothness = _shakeSmoothness,
+                MoveTowardPlayerOnFocus = false,
+                FocusDistanceFromPlayer = _stopDistance,
+                DisableFloatingEffects = false,
+                DefaultScaleMultiplier = 1f,
+                EnableScaleVariation = false,
+                MinScaleVariation = 1f,
+                MaxScaleVariation = 1f
+            };
+        }
+
+        // ─── Internal ──────────────────────────────────────────────────────────────
+
+        private class GhostWordInstance
+        {
+            public ChoiceFocusHandler Handler;
+            public GameObject Container;
+            public CanvasGroup CanvasGroup;
+            public float Lifetime;
+            public float ElapsedTime;
+            public bool IsFadingOut;
+        }
+    }
+}