Files
ggj2026/Assets/Scripts/TrickController.cs
T
2026-02-01 15:41:21 -06:00

795 lines
23 KiB
C#

using System;
using System.Collections.Generic;
using UnityEngine;
using Random = UnityEngine.Random;
[RequireComponent(typeof(Rigidbody2D))]
[RequireComponent(typeof(Collider2D))]
public class TrickController : MonoBehaviour
{
private static readonly List<TrickController> ActiveTricks = new List<TrickController>();
private static PlayerPlatformerController[] cachedPlayers = Array.Empty<PlayerPlatformerController>();
private static float nextPlayerCacheTime;
private static bool hasCanonicalScale;
private static Vector3 canonicalScale;
public static int ActiveCount => ActiveTricks.Count;
[SerializeField] private string treatTag = "Interactable";
[SerializeField] private float moveSpeed = 3.5f;
[SerializeField] private float targetRefreshInterval = 0.4f;
[SerializeField] private float consumeDistance = 0.35f;
[SerializeField] private float wanderInterval = 1.2f;
[SerializeField] private float consumeCooldown = 1.5f;
[SerializeField] private TrickController trickPrefab;
[SerializeField] private float avoidPlayerRadius = 1.2f;
[SerializeField] private float treatSeekWeight = 1f;
[SerializeField] private float wanderWeight = 0.4f;
[SerializeField] private int maxTricks = 50;
[SerializeField] private float jumpImpulse = 6f;
[SerializeField] private float jumpImpulseVariance = 0.25f;
[SerializeField] private float jumpCooldown = 1f;
[SerializeField] private float jumpChancePerSecond = 0.5f;
[SerializeField] private float jumpArcChance = 0.5f;
[SerializeField] private float jumpArcHorizontalImpulse = 2f;
[SerializeField] private float basketSeekRadius = 8f;
[SerializeField] private float basketSeekWeight = 0.9f;
[SerializeField] private float basketMinHeight = 0.5f;
[SerializeField] private float basketRefreshInterval = 0.6f;
[SerializeField] private float basketJumpChance = 0.35f;
[SerializeField] private float basketJumpHorizontalRange = 0.8f;
[SerializeField] private LayerMask groundMask = ~0;
[SerializeField] private float groundCheckDistance = 0.05f;
[SerializeField] private float despawnMinX = -12f;
[SerializeField] private float despawnMaxX = 12f;
[SerializeField] private float despawnMinY = -10f;
[SerializeField] private float despawnMaxY = 20f;
[SerializeField] private float throwControlLockTime = 0.35f;
[SerializeField] private float wallCheckDistance = 0.1f;
[SerializeField] private float wallAvoidDuration = 0.6f;
[SerializeField] private float wallAvoidCooldown = 0.2f;
private Rigidbody2D body;
private Transform target;
private float nextTargetTime;
private Transform basketTarget;
private float nextBasketTime;
private Vector2 wanderDirection;
private float nextWanderTime;
private bool isCarried;
private bool isBasketed;
private float nextConsumeTime;
private float desiredXVelocity;
private float nextJumpTime;
private float movementLockUntil;
private readonly RaycastHit2D[] groundHits = new RaycastHit2D[4];
private readonly RaycastHit2D[] wallHits = new RaycastHit2D[4];
private float wallAvoidUntil;
private float wallAvoidDirection;
private float nextWallAvoidTime;
private RigidbodyType2D basketBodyType;
private float basketGravityScale;
private bool basketSimulated;
private bool hasBasketAnchor;
private Vector2 basketAnchorPosition;
[SerializeField] private string basketSortingLayer = "";
[SerializeField] private int basketSortingOrder = -10;
private SpriteRenderer cachedRenderer;
private string originalSortingLayer;
private int originalSortingOrder;
private Vector3 originalLocalScale;
public bool IsCarried => isCarried;
public bool IsBasketed => isBasketed;
private void Awake()
{
body = GetComponent<Rigidbody2D>();
body.bodyType = RigidbodyType2D.Dynamic;
body.gravityScale = 1f;
body.freezeRotation = true;
body.collisionDetectionMode = CollisionDetectionMode2D.Continuous;
body.interpolation = RigidbodyInterpolation2D.Interpolate;
cachedRenderer = GetComponent<SpriteRenderer>();
originalLocalScale = transform.localScale;
if (!hasCanonicalScale)
{
canonicalScale = transform.localScale;
hasCanonicalScale = true;
}
}
private void OnEnable()
{
if (!ActiveTricks.Contains(this))
{
ActiveTricks.Add(this);
}
nextConsumeTime = Time.time + consumeCooldown;
}
private void OnDisable()
{
ActiveTricks.Remove(this);
}
private void Update()
{
if (isCarried)
{
return;
}
if (isBasketed)
{
return;
}
var position = transform.position;
if (position.x < despawnMinX || position.x > despawnMaxX || position.y < despawnMinY || position.y > despawnMaxY)
{
Destroy(gameObject);
return;
}
if (Time.time >= nextTargetTime)
{
target = FindNearestTreat();
if (target == null)
{
// If we can't find treats while we're tagged Interactable, keep moving.
wanderDirection = Random.insideUnitCircle.normalized;
if (wanderDirection.sqrMagnitude < 0.01f)
{
wanderDirection = Vector2.right;
}
nextWanderTime = Time.time + wanderInterval;
}
nextTargetTime = Time.time + targetRefreshInterval;
}
if (Time.time >= nextBasketTime)
{
basketTarget = FindNearestBasketAbove();
nextBasketTime = Time.time + basketRefreshInterval;
}
if (Time.time >= nextWanderTime)
{
wanderDirection = Random.insideUnitCircle.normalized;
if (wanderDirection.sqrMagnitude < 0.01f)
{
wanderDirection = Vector2.right;
}
nextWanderTime = Time.time + wanderInterval;
}
TryConsumeTreat();
}
private void FixedUpdate()
{
if (isCarried)
{
return;
}
if (isBasketed)
{
if (hasBasketAnchor)
{
transform.position = basketAnchorPosition;
}
var held = body.linearVelocity;
held.x = 0f;
held.y = 0f;
body.linearVelocity = held;
return;
}
if (Time.time < movementLockUntil)
{
return;
}
if (!IsGrounded())
{
return;
}
Vector2 desiredVelocity;
var hasTarget = target != null;
var canConsume = Time.time >= nextConsumeTime;
var desiredX = 0f;
if (hasTarget && canConsume)
{
var direction = ((Vector2)target.position - (Vector2)transform.position).normalized;
desiredX += direction.x * treatSeekWeight;
}
else
{
desiredX += wanderDirection.x * wanderWeight;
}
if (!hasTarget && basketTarget != null)
{
var basketDelta = (Vector2)basketTarget.position - (Vector2)transform.position;
if (basketDelta.y >= basketMinHeight && basketDelta.magnitude <= basketSeekRadius)
{
desiredX += Mathf.Sign(basketDelta.x) * basketSeekWeight;
}
}
// No trick-avoidance bias.
if (Mathf.Abs(desiredX) < 0.01f)
{
desiredX = wanderDirection.x * 0.2f;
}
if (Time.time >= nextWallAvoidTime)
{
var wallDirection = GetWallAvoidDirection(desiredX);
if (wallDirection != 0f)
{
wallAvoidDirection = wallDirection;
wallAvoidUntil = Time.time + wallAvoidDuration;
nextWallAvoidTime = Time.time + wallAvoidDuration + wallAvoidCooldown;
}
}
if (Time.time < wallAvoidUntil && Mathf.Abs(wallAvoidDirection) > 0.01f)
{
desiredX = wallAvoidDirection;
}
desiredVelocity = new Vector2(Mathf.Clamp(desiredX, -1f, 1f) * moveSpeed, 0f);
var velocity = body.linearVelocity;
desiredXVelocity = desiredVelocity.x;
velocity.x = Mathf.Lerp(velocity.x, desiredXVelocity, 0.25f);
body.linearVelocity = velocity;
var isMoving = Mathf.Abs(desiredXVelocity) > 0.1f;
TryJump(isMoving, desiredXVelocity);
}
private Transform FindNearestTreat()
{
var treats = GameObject.FindGameObjectsWithTag(treatTag);
if (treats == null || treats.Length == 0)
{
return null;
}
Transform best = null;
var bestDistance = float.MaxValue;
var origin = transform.position;
for (var i = 0; i < treats.Length; i++)
{
var candidate = treats[i];
if (candidate == gameObject)
{
continue;
}
if (!candidate.activeInHierarchy)
{
continue;
}
if (candidate.GetComponent<TrickController>() != null)
{
continue;
}
if (candidate.GetComponent<PlayerPlatformerController>() != null)
{
continue;
}
if (!candidate.TryGetComponent<Collider2D>(out var collider) || !collider.enabled)
{
continue;
}
var distance = Vector2.Distance(origin, candidate.transform.position);
if (distance < bestDistance)
{
bestDistance = distance;
best = candidate.transform;
}
}
return best;
}
private Transform FindNearestBasketAbove()
{
var baskets = FindObjectsByType<BasketController>(FindObjectsSortMode.None);
if (baskets == null || baskets.Length == 0)
{
return null;
}
Transform best = null;
var bestDistance = float.MaxValue;
var origin = transform.position;
for (var i = 0; i < baskets.Length; i++)
{
var basket = baskets[i];
if (basket == null || !basket.gameObject.activeInHierarchy)
{
continue;
}
var basketPos = basket.transform.position;
var delta = (Vector2)basketPos - (Vector2)origin;
if (delta.y < basketMinHeight)
{
continue;
}
var distance = delta.magnitude;
if (distance > basketSeekRadius)
{
continue;
}
if (distance < bestDistance)
{
bestDistance = distance;
best = basket.transform;
}
}
return best;
}
private void TryConsumeTreat()
{
if (isCarried)
{
return;
}
if (Time.time < nextConsumeTime)
{
return;
}
var hits = Physics2D.OverlapCircleAll(transform.position, consumeDistance);
for (var i = 0; i < hits.Length; i++)
{
var hit = hits[i];
if (hit == null || hit.gameObject == gameObject || !hit.CompareTag(treatTag))
{
continue;
}
var spawnPosition = hit.transform.position;
hit.enabled = false;
hit.gameObject.tag = "Untagged";
Destroy(hit.gameObject);
if (target == hit.transform)
{
target = null;
}
SpawnTrick(spawnPosition);
nextConsumeTime = Time.time + consumeCooldown;
break;
}
}
private bool SpawnTrick(Vector3 position)
{
if (maxTricks > 0 && ActiveTricks.Count >= maxTricks)
{
return false;
}
if (trickPrefab != null)
{
var instance = Instantiate(trickPrefab, position, Quaternion.identity);
if (instance != null)
{
instance.ResetRuntimeState(canonicalScale);
}
return true;
}
var clone = Instantiate(gameObject, position, Quaternion.identity);
if (clone.TryGetComponent<TrickController>(out var spawned))
{
spawned.ResetRuntimeState(canonicalScale);
}
return true;
}
private void ResetRuntimeState(Vector3? forcedScale = null)
{
isCarried = false;
isBasketed = false;
hasBasketAnchor = false;
movementLockUntil = 0f;
wallAvoidUntil = 0f;
wallAvoidDirection = 0f;
if (forcedScale.HasValue)
{
transform.localScale = forcedScale.Value;
}
if (cachedRenderer != null)
{
if (!string.IsNullOrWhiteSpace(basketSortingLayer))
{
cachedRenderer.sortingLayerName = originalSortingLayer;
}
cachedRenderer.sortingOrder = originalSortingOrder;
}
body.simulated = true;
body.bodyType = RigidbodyType2D.Dynamic;
body.gravityScale = 1f;
body.linearVelocity = Vector2.zero;
body.angularVelocity = 0f;
if (TryGetComponent<Collider2D>(out var collider))
{
collider.enabled = true;
}
}
public static bool TrySpawnAt(Vector3 position)
{
if (ActiveTricks.Count == 0)
{
return false;
}
TrickController candidate = null;
TrickController fallback = null;
for (var i = 0; i < ActiveTricks.Count; i++)
{
var trick = ActiveTricks[i];
if (trick == null)
{
continue;
}
if (fallback == null)
{
fallback = trick;
}
if (!trick.isCarried && !trick.isBasketed)
{
if (trick.TryGetComponent<Collider2D>(out var collider) && collider.enabled)
{
candidate = trick;
break;
}
}
}
if (candidate == null)
{
candidate = fallback;
}
return candidate != null && candidate.SpawnTrick(position);
}
public static bool TrySpawnFromPrefabAt(Vector3 position)
{
if (ActiveTricks.Count == 0)
{
return false;
}
for (var i = 0; i < ActiveTricks.Count; i++)
{
var trick = ActiveTricks[i];
if (trick == null)
{
continue;
}
if (trick.trickPrefab == null)
{
continue;
}
return trick.SpawnTrick(position);
}
return false;
}
private float GetAvoidPlayerDirection()
{
if (Time.time >= nextPlayerCacheTime)
{
cachedPlayers = FindObjectsByType<PlayerPlatformerController>(FindObjectsSortMode.None);
nextPlayerCacheTime = Time.time + 0.5f;
}
var players = cachedPlayers;
if (players == null || players.Length == 0)
{
return 0f;
}
Transform closest = null;
var closestDist = float.MaxValue;
var origin = transform.position;
for (var i = 0; i < players.Length; i++)
{
var candidate = players[i];
if (candidate == null || !candidate.gameObject.activeInHierarchy)
{
continue;
}
var dist = Vector2.Distance(origin, candidate.transform.position);
if (dist < closestDist)
{
closestDist = dist;
closest = candidate.transform;
}
}
if (closest == null || closestDist > avoidPlayerRadius)
{
return 0f;
}
return Mathf.Sign(origin.x - closest.position.x);
}
private void TryJump(bool isMoving, float jumpDirection)
{
if (Time.time < nextJumpTime)
{
return;
}
if (!IsGrounded())
{
return;
}
var wantsBasketJump = false;
var basketDir = 0f;
if (basketTarget != null)
{
var delta = (Vector2)basketTarget.position - (Vector2)transform.position;
if (delta.y >= basketMinHeight && Mathf.Abs(delta.x) <= basketJumpHorizontalRange)
{
if (Random.value < basketJumpChance)
{
wantsBasketJump = true;
basketDir = Mathf.Sign(delta.x);
}
}
}
if (!wantsBasketJump)
{
if (!isMoving)
{
return;
}
var chance = jumpChancePerSecond * Time.fixedDeltaTime;
if (Random.value > chance)
{
return;
}
}
if (body.linearVelocity.y > 0.01f)
{
return;
}
var velocity = body.linearVelocity;
velocity.y = 0f;
var jumpDir = wantsBasketJump ? basketDir : Mathf.Sign(jumpDirection);
if (jumpDir == 0f)
{
jumpDir = Random.value < 0.5f ? -1f : 1f;
}
velocity.x = jumpDir * moveSpeed;
body.linearVelocity = velocity;
var minImpulse = Mathf.Max(0f, jumpImpulse * (1f - jumpImpulseVariance));
var maxImpulse = Mathf.Max(minImpulse, jumpImpulse * (1f + jumpImpulseVariance));
var jumpImpulseActual = Random.Range(minImpulse, maxImpulse);
body.AddForce(Vector2.up * jumpImpulseActual, ForceMode2D.Impulse);
if (Random.value < jumpArcChance && jumpArcHorizontalImpulse > 0f)
{
var arcDir = Random.value < 0.5f ? -1f : 1f;
body.AddForce(Vector2.right * arcDir * jumpArcHorizontalImpulse, ForceMode2D.Impulse);
}
nextJumpTime = Time.time + jumpCooldown;
}
private bool IsGrounded()
{
var collider = GetComponent<Collider2D>();
if (collider == null)
{
return false;
}
var filter = new ContactFilter2D();
filter.SetLayerMask(groundMask);
filter.useTriggers = false;
var hitCount = collider.Cast(Vector2.down, filter, groundHits, groundCheckDistance);
for (var i = 0; i < hitCount; i++)
{
var hitCollider = groundHits[i].collider;
if (hitCollider == null || hitCollider == collider)
{
continue;
}
if (hitCollider.GetComponent<TrickController>() != null)
{
continue;
}
if (hitCollider.GetComponent<PlayerPlatformerController>() != null)
{
continue;
}
return true;
}
return false;
}
private float GetWallAvoidDirection(float desiredX)
{
if (Mathf.Abs(desiredX) < 0.01f)
{
return 0f;
}
var collider = GetComponent<Collider2D>();
if (collider == null)
{
return 0f;
}
var filter = new ContactFilter2D();
filter.SetLayerMask(groundMask);
filter.useTriggers = false;
var dir = Mathf.Sign(desiredX);
var hitCount = collider.Cast(Vector2.right * dir, filter, wallHits, wallCheckDistance);
for (var i = 0; i < hitCount; i++)
{
var hitCollider = wallHits[i].collider;
if (hitCollider == null || hitCollider == collider)
{
continue;
}
if (hitCollider.GetComponent<TrickController>() != null)
{
continue;
}
if (hitCollider.GetComponent<PlayerPlatformerController>() != null)
{
continue;
}
return -dir;
}
return 0f;
}
public void SetCarried(bool carried)
{
isCarried = carried;
if (carried && isBasketed)
{
SetBasketed(false);
}
if (carried)
{
target = null;
desiredXVelocity = 0f;
var velocity = body.linearVelocity;
velocity.x = 0f;
velocity.y = 0f;
body.linearVelocity = velocity;
nextJumpTime = Time.time + 0.1f;
if (TryGetComponent<Collider2D>(out var collider))
{
collider.enabled = false;
}
}
else
{
var velocity = body.linearVelocity;
velocity.x = 0f;
velocity.y = 0f;
body.linearVelocity = velocity;
if (TryGetComponent<Collider2D>(out var collider))
{
collider.enabled = true;
}
}
}
public void SetBasketed(bool basketed, Vector2? anchorPosition = null)
{
if (isBasketed == basketed)
{
return;
}
isBasketed = basketed;
if (basketed)
{
if (cachedRenderer != null)
{
originalSortingLayer = cachedRenderer.sortingLayerName;
originalSortingOrder = cachedRenderer.sortingOrder;
if (!string.IsNullOrWhiteSpace(basketSortingLayer))
{
cachedRenderer.sortingLayerName = basketSortingLayer;
}
cachedRenderer.sortingOrder = basketSortingOrder;
}
if (anchorPosition.HasValue)
{
hasBasketAnchor = true;
basketAnchorPosition = anchorPosition.Value;
}
else
{
hasBasketAnchor = false;
}
basketBodyType = body.bodyType;
basketGravityScale = body.gravityScale;
basketSimulated = body.simulated;
body.simulated = true;
body.bodyType = RigidbodyType2D.Kinematic;
body.gravityScale = 0f;
body.linearVelocity = Vector2.zero;
body.angularVelocity = 0f;
nextJumpTime = Time.time + 0.1f;
}
else
{
if (cachedRenderer != null)
{
if (!string.IsNullOrWhiteSpace(basketSortingLayer))
{
cachedRenderer.sortingLayerName = originalSortingLayer;
}
cachedRenderer.sortingOrder = originalSortingOrder;
}
hasBasketAnchor = false;
body.simulated = basketSimulated;
body.bodyType = basketBodyType;
body.gravityScale = basketGravityScale;
}
}
public void OnThrown()
{
movementLockUntil = Time.time + throwControlLockTime;
}
}