82 lines
2.5 KiB
C#
82 lines
2.5 KiB
C#
using RaceFields.Damage;
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using RaceFields.Damage.VehicleDamage;
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using UnityEngine;
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public sealed class BulletProjectile : MonoBehaviour
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{
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[SerializeField] private float damage = 8f;
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[SerializeField] private float impactForce = 25f;
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[SerializeField] private float lifeTime = 2.5f;
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private Transform ownerRoot;
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private Rigidbody body;
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private bool hasHit;
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private void Awake()
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{
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body = GetComponent<Rigidbody>();
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}
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private void OnEnable()
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{
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hasHit = false;
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}
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public void Launch(Vector3 velocity, float shotDamage, float shotLifeTime, Transform owner)
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{
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damage = shotDamage;
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lifeTime = Mathf.Max(0.05f, shotLifeTime);
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ownerRoot = owner != null ? owner.root : null;
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if (body == null)
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body = GetComponent<Rigidbody>();
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if (body != null)
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body.linearVelocity = velocity;
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Destroy(gameObject, lifeTime);
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}
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private void OnCollisionEnter(Collision collision)
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{
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if (collision.collider == null)
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return;
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Vector3 point = collision.contactCount > 0 ? collision.GetContact(0).point : transform.position;
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HandleHit(collision.collider, point, body != null ? body.linearVelocity.normalized : transform.forward, collision.rigidbody);
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}
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private void OnTriggerEnter(Collider other)
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{
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HandleHit(other, transform.position, body != null ? body.linearVelocity.normalized : transform.forward, other.attachedRigidbody);
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}
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private void HandleHit(Collider hitCollider, Vector3 point, Vector3 direction, Rigidbody hitBody)
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{
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if (hasHit || hitCollider == null)
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return;
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if (ownerRoot != null && hitCollider.transform.root == ownerRoot)
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return;
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hasHit = true;
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DamageHitbox hitbox = hitCollider.GetComponentInParent<DamageHitbox>();
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if (hitbox != null)
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{
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hitbox.ApplyDamage(new DamageHit(damage, DamageType.Projectile, point, direction, gameObject));
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}
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else
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{
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SimpleDamageReceiver damageReceiver = hitCollider.GetComponentInParent<SimpleDamageReceiver>();
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if (damageReceiver != null)
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damageReceiver.ApplyDamage(damage, point, direction, gameObject);
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}
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if (hitBody != null && (ownerRoot == null || hitBody.transform.root != ownerRoot))
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hitBody.AddForceAtPosition(direction * impactForce, point, ForceMode.Impulse);
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Destroy(gameObject);
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}
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}
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