/// <summary>
/// Generates a bullet hole decal.
/// </summary>
/// <param name="surface">The surface properties of the hit object.</param>
/// <param name="hitInfo">The information about the projectile impact such as position and rotation.</param>
public virtual void CreateBulletDecal(SurfaceIdentifier surface, RaycastHit hitInfo)
{
SurfaceType surfaceType = surface.GetSurfaceType(hitInfo.point, hitInfo.triangleIndex);
if (surface && surfaceType)
{
if (surface.AllowDecals(hitInfo.triangleIndex) && m_MaxDecals > 0)
{
Material material = surfaceType.GetRandomDecalMaterial();
if (material)
{
GameObject decal = new GameObject("BulletMark_Decal");
decal.transform.position = hitInfo.point;
decal.transform.rotation = Quaternion.FromToRotation(Vector3.back, hitInfo.normal);
decal.transform.Rotate(new Vector3(0, 0, Random.Range(0, 360)));
float scale = surfaceType.GetRandomDecalSize() / 5;
decal.transform.localScale = new Vector3(scale, scale, scale);
decal.transform.parent = hitInfo.transform;
DecalPresets decalPresets = new DecalPresets()
{
maxAngle = 60,
pushDistance = 0.009f + RegisterDecal(decal, scale),
material = material
};
Decal d = decal.AddComponent <Decal>();
d.Calculate(decalPresets, hitInfo.collider.gameObject);
}
}
GameObject particle = surfaceType.GetRandomImpactParticle();
if (particle)
{
Instantiate(particle, hitInfo.point, Quaternion.FromToRotation(Vector3.up, hitInfo.normal));
}
AudioClip clip = surfaceType.GetRandomImpactSound();
if (clip)
{
AudioManager.Instance.PlayClipAtPoint(clip, hitInfo.point, 1, 25, surfaceType.BulletImpactVolume);
}
}
}
protected virtual void Penetrate(RaycastHit lastHitInfo, Vector3 direction, SurfaceIdentifier surf, float range, float damage)
{
Ray ray = new Ray(lastHitInfo.point + direction * 0.1f, direction);
int affectedObjectID = lastHitInfo.collider.GetInstanceID();
if (Physics.Raycast(ray, out RaycastHit hitInfo, range, m_GunData.AffectedLayers, QueryTriggerInteraction.Collide))
{
// Get the surface type of the object.
SurfaceIdentifier newSurf = hitInfo.collider.GetSurface();
// Exit hole
Ray exitRay = new Ray(hitInfo.point, direction * -1);
if (Physics.Raycast(exitRay, out RaycastHit exitInfo, range, m_GunData.AffectedLayers, QueryTriggerInteraction.Collide))
{
float distanceTraveled = Vector3.Distance(lastHitInfo.point, exitInfo.point) * surf.Density(lastHitInfo.triangleIndex);
// Does the bullet gets through?
if (m_GunData.PenetrationPower > distanceTraveled)
{
if (newSurf)
{
BulletDecalsManager.Instance.CreateBulletDecal(newSurf, hitInfo);
}
if (affectedObjectID == exitInfo.collider.GetInstanceID())
{
BulletDecalsManager.Instance.CreateBulletDecal(surf, exitInfo);
}
// If hit a rigid body applies force to push.
Rigidbody rigidBody = hitInfo.collider.GetComponent <Rigidbody>();
if (rigidBody)
{
rigidBody.AddForce(direction * m_GunData.Force, ForceMode.Impulse);
}
if (hitInfo.transform.root != transform.root)
{
IProjectileDamageable damageableTarget = hitInfo.collider.GetComponent <IProjectileDamageable>();
damageableTarget?.ProjectileDamage(damage * (distanceTraveled / m_GunData.PenetrationPower), transform.root.position, exitInfo.point, m_GunData.PenetrationPower - distanceTraveled);
}
}
}
}
protected virtual void Shot()
{
Vector3 direction = m_CameraTransformReference.TransformDirection(m_NextShootDirection);
Vector3 origin = m_CameraTransformReference.transform.position;
Ray ray = new Ray(origin, direction);
float tracerDuration = m_GunEffects.TracerDuration;
if (Physics.Raycast(ray, out RaycastHit hitInfo, m_GunData.Range, m_GunData.AffectedLayers, QueryTriggerInteraction.Collide))
{
SurfaceIdentifier surf = hitInfo.collider.GetSurface();
float damage = m_GunData.DamageType == GunData.DamageMode.Constant ? m_GunData.Damage
: m_GunData.Damage * m_GunData.DamageFalloffCurve.Evaluate(hitInfo.distance / m_GunData.Range);
if (surf)
{
BulletDecalsManager.Instance.CreateBulletDecal(surf, hitInfo);
if (m_GunData.PenetrateObjects && surf.CanPenetrate(hitInfo.triangleIndex))
{
Penetrate(hitInfo, direction, surf, m_GunData.Range - hitInfo.distance, damage);
}
}
// If hit a rigid body applies force to push.
Rigidbody rigidBody = hitInfo.collider.GetComponent <Rigidbody>();
if (rigidBody)
{
rigidBody.AddForce(direction * m_GunData.Force, ForceMode.Impulse);
}
if (hitInfo.transform.root != transform.root)
{
IProjectileDamageable damageableTarget = hitInfo.collider.GetComponent <IProjectileDamageable>();
damageableTarget?.ProjectileDamage(damage, transform.root.position, hitInfo.point, m_GunData.PenetrationPower);
}
tracerDuration = hitInfo.distance / m_GunEffects.TracerSpeed;
}
if (tracerDuration > 0.05f)
{
m_GunEffects.CreateTracer(transform, direction, tracerDuration);
}
}
private void OnEnable()
{
m_Target = (target as SurfaceIdentifier);
m_SurfaceList = serializedObject.FindProperty("m_SurfaceList");
}
private void Start()
{
m_SurfaceIdentifier = GetComponent <SurfaceIdentifier>();
}
