Building out Golf Level and mission states and improved AI

2026-09-01 16:33:49 +01:00
parent 04047ddf57
commit 5f76d7b002
63 changed files with 102312 additions and 1834 deletions
--- a/Assets/Scripts/NPCController.cs
+++ b/Assets/Scripts/NPCController.cs
@@ -0,0 +1,176 @@
+using System.Collections;
+using UnityEngine;
+using UnityEngine.AI;
+
+[RequireComponent(typeof(NavMeshAgent), typeof(Animator))]
+public class NPCController : MonoBehaviour
+{
+    public enum NPCState { Walking, Drinking, Golfing, Ragdolled }
+    
+    [Header("Current State")]
+    public NPCState currentState = NPCState.Walking;
+
+    [Header("Wander Settings")]
+    public float wanderRadius = 15f;
+    [Tooltip("How long they stand still to drink or play golf.")]
+    public float minActionTime = 3f;
+    public float maxActionTime = 7f;
+
+    [Header("Impact & Physics")]
+    [Tooltip("How violently they get thrown when hit by a car.")]
+    public float hitForceMultiplier = 1.2f;
+
+    private NavMeshAgent agent;
+    private Animator anim;
+    
+    private Rigidbody[] ragdollBodies;
+    private Collider[] ragdollColliders;
+    private Collider mainCollider;
+
+    void Start()
+    {
+        agent = GetComponent<NavMeshAgent>();
+        anim = GetComponent<Animator>();
+        mainCollider = GetComponent<Collider>();
+
+        // Find all ragdoll bones generated by Unity's Ragdoll Wizard
+        ragdollBodies = GetComponentsInChildren<Rigidbody>();
+        ragdollColliders = GetComponentsInChildren<Collider>();
+
+        // Disable ragdoll physics on spawn so they can walk normally
+        foreach (Rigidbody rb in ragdollBodies)
+        {
+            // Skip the root if it has a rigidbody
+            if (rb.gameObject == this.gameObject) continue; 
+            rb.isKinematic = true;
+        }
+        foreach (Collider col in ragdollColliders)
+        {
+            if (col.gameObject == this.gameObject) continue;
+            col.enabled = false;
+        }
+
+        StartCoroutine(BehaviorRoutine());
+    }
+
+    void Update()
+    {
+        if (currentState == NPCState.Ragdolled) return;
+
+        // Pass the movement speed to the Animator (Make sure you have a "Speed" float parameter in your Animator!)
+        if (anim != null)
+        {
+            anim.SetFloat("Speed", agent.velocity.magnitude);
+        }
+    }
+
+    private IEnumerator BehaviorRoutine()
+    {
+        while (currentState != NPCState.Ragdolled)
+        {
+            if (currentState == NPCState.Walking)
+            {
+                // Pick a random spot on the golf course
+                Vector3 randomDir = Random.insideUnitSphere * wanderRadius;
+                randomDir += transform.position;
+                
+                if (NavMesh.SamplePosition(randomDir, out NavMeshHit hit, wanderRadius, NavMesh.AllAreas))
+                {
+                    agent.SetDestination(hit.position);
+                }
+
+                // Wait until they reach the destination
+                while (agent.pathPending || agent.remainingDistance > 0.5f)
+                {
+                    if (currentState == NPCState.Ragdolled) yield break;
+                    yield return null;
+                }
+
+                // Reached destination! Pick a random action
+                int action = Random.Range(0, 3);
+                if (action == 0) currentState = NPCState.Walking; // Just keep walking
+                else if (action == 1) currentState = NPCState.Drinking;
+                else currentState = NPCState.Golfing;
+            }
+            else if (currentState == NPCState.Drinking)
+            {
+                // Play drink animation
+                if (anim != null) anim.SetTrigger("Drink");
+                
+                yield return new WaitForSeconds(Random.Range(minActionTime, maxActionTime));
+                currentState = NPCState.Walking;
+            }
+            else if (currentState == NPCState.Golfing)
+            {
+                // Play golf swing animation
+                if (anim != null) anim.SetTrigger("GolfSwing");
+                
+                yield return new WaitForSeconds(Random.Range(minActionTime, maxActionTime));
+                currentState = NPCState.Walking;
+            }
+
+            yield return null;
+        }
+    }
+
+    // Detect if a car crashes into them
+    private void OnCollisionEnter(Collision collision)
+    {
+        if (currentState == NPCState.Ragdolled) return;
+
+        // If hit with enough speed (e.g. a car)
+        if (collision.relativeVelocity.magnitude > 4f)
+        {
+            Vector3 impactPoint = collision.GetContact(0).point;
+            EnableRagdoll(collision.relativeVelocity, impactPoint);
+        }
+    }
+
+    // Also support triggers just in case your car uses trigger hitboxes
+    private void OnTriggerEnter(Collider other)
+    {
+        if (currentState == NPCState.Ragdolled) return;
+
+        Rigidbody otherRb = other.GetComponentInParent<Rigidbody>();
+        if (otherRb != null && otherRb.linearVelocity.magnitude > 4f)
+        {
+            EnableRagdoll(otherRb.linearVelocity, transform.position);
+        }
+    }
+
+    private void EnableRagdoll(Vector3 impactVelocity, Vector3 impactPoint)
+    {
+        currentState = NPCState.Ragdolled;
+
+        // Turn off AI and Animations
+        if (agent != null) agent.enabled = false;
+        if (anim != null) anim.enabled = false;
+        if (mainCollider != null) mainCollider.enabled = false;
+
+        StopAllCoroutines();
+
+        // Calculate how hard they get thrown
+        // Add a little upward force so they fly through the air!
+        Vector3 force = (impactVelocity + Vector3.up * 3f) * hitForceMultiplier;
+
+        // Turn ON the ragdoll colliders
+        foreach (Collider col in ragdollColliders)
+        {
+            if (col.gameObject != this.gameObject) col.enabled = true;
+        }
+
+        // Turn ON the ragdoll physics and apply the crash force
+        foreach (Rigidbody rb in ragdollBodies)
+        {
+            if (rb.gameObject != this.gameObject)
+            {
+                rb.isKinematic = false;
+                rb.useGravity = true;
+                
+                // VelocityChange ignores the mass of the bone, guaranteeing they fly away violently
+                rb.AddForceAtPosition(force, impactPoint, ForceMode.VelocityChange);
+            }
+        }
+    }
+}
+