/// <summary>
/// Does the actual rotation and height changes. This method is separate from FixedUpdate so the rotation/height can be determined
/// during server reconciliation on the network.
/// </summary>
public void UpdateRotationHeight()
{
m_CharacterLocomotion.EnableColliderCollisionLayer(false);
// The first end cap may change positions.
if (m_FirstEndCapTarget.localPosition != m_FirstEndCapLocalPosition)
{
m_Transform.position = m_FirstEndCapTarget.position;
m_FirstEndCapLocalPosition = m_FirstEndCapTarget.localPosition;
}
Vector3 localDirection;
if (m_RotateCollider)
{
// Update the rotation of the CapsuleCollider so it is rotated in the same direction as the end cap targets.
var direction = m_SecondEndCapTarget.position - m_FirstEndCapTarget.position;
localDirection = MathUtility.InverseTransformDirection(direction, m_CharacterTransform.rotation);
var targetRotation = m_Transform.localRotation * Quaternion.FromToRotation(m_Transform.localRotation * Vector3.up, localDirection.normalized);
m_Transform.rotation = MathUtility.TransformQuaternion(m_CharacterTransform.rotation, targetRotation);
}
// After the CapsuleCollider has rotated determine the new height of the CapsuleCollider. This can be done by determining the current
// end cap locations and then getting the offset from the start end cap offsets.
Vector3 firstEndCap, secondEndCap;
MathUtility.CapsuleColliderEndCaps(m_CapsuleCollider, m_Transform.position, m_Transform.rotation, out firstEndCap, out secondEndCap);
var firstEndCapOffset = m_Transform.InverseTransformDirection(m_FirstEndCapTarget.position - firstEndCap);
var secondEndCapOffset = m_Transform.InverseTransformDirection(m_SecondEndCapTarget.position - secondEndCap);
var offset = m_SecondEndCapOffset - m_FirstEndCapOffset;
localDirection = ((secondEndCapOffset - firstEndCapOffset) - offset);
// Determine if the new height would cause any collisions. If it does not then apply the height changes. A negative height change will never cause any
// collisions so the OverlapCapsule does not need to be checked. A valid capsule collider height is always greater than 2 times the radius of the collider.
var heightMultiplier = MathUtility.CapsuleColliderHeightMultiplier(m_CapsuleCollider);
var targetHeight = m_CapsuleCollider.height + localDirection.y / heightMultiplier;
if (targetHeight >= m_CapsuleCollider.radius * 2 && (localDirection.y < 0 || !m_CharacterLocomotion.UsingVerticalCollisionDetection ||
Physics.OverlapCapsuleNonAlloc(firstEndCap, secondEndCap + m_CharacterLocomotion.Up * localDirection.y,
m_CapsuleCollider.radius * MathUtility.ColliderRadiusMultiplier(m_CapsuleCollider), m_OverlapColliders, m_CharacterLayerManager.SolidObjectLayers,
QueryTriggerInteraction.Ignore) == 0))
{
// Adjust the CapsuleCollider height and center to account for the new offset.
m_CapsuleCollider.height = targetHeight;
var center = m_CapsuleCollider.center;
center.y += localDirection.y / (heightMultiplier * 2);
m_CapsuleCollider.center = center;
}
m_CharacterLocomotion.EnableColliderCollisionLayer(true);
}
/// <summary>
/// Determines the values of the cast.
/// </summary>
/// <param name="index">The index of the target position to retrieve.</param>
/// <param name="direction">A reference to the target direction.</param>
/// <param name="position">A reference to the target position.</param>
/// <param name="normal">A reference to the target normal.</param>
/// <returns>True if the cast is valid.</returns>
private bool DetermineCastValues(int index, ref Vector3 direction, ref Vector3 position, ref Vector3 normal)
{
if (m_Direction == CastDirection.Forward || m_Direction == CastDirection.Indicate) {
Vector3 castPosition;
if (m_Direction == CastDirection.Forward) {
direction = m_UseLookSource ? m_LookSource.LookDirection(m_MagicItemPerspectiveProperties.OriginLocation.position, false, m_CharacterLayerManager.SolidObjectLayers, true, true) : m_CharacterTransform.forward;
castPosition = m_UseLookSource ? m_LookSource.LookPosition(true) : m_CharacterTransform.position;
} else { // Indicate.
direction = m_LookSource.LookDirection(false);
castPosition = m_LookSource.LookPosition(false);
}
m_CharacterLocomotion.EnableColliderCollisionLayer(false);
if (Physics.SphereCast(castPosition - direction * m_Radius, m_Radius, direction, out var raycastHit, m_MaxDistance, m_DetectLayers, QueryTriggerInteraction.Ignore)) {
// The Cast Actions may indicate that the position is invalid.
if (m_CastActions != null) {
for (int i = 0; i < m_CastActions.Length; ++i) {
if (!m_CastActions[i].IsValidTargetPosition(raycastHit.point, raycastHit.normal)) {
return false;
}
}
}
position = raycastHit.point;
normal = raycastHit.normal;
}
m_CharacterLocomotion.EnableColliderCollisionLayer(true);
return m_Direction == CastDirection.Indicate ? (raycastHit.distance > 0) : true;
} else if (m_Direction == CastDirection.Target) {
if (index >= m_TargetAngles.Length || m_TargetAngles[index] == int.MaxValue) {
return false;
}
var targetTransform = m_TargetColliders[index].transform;
PivotOffset pivotOffset;
if ((pivotOffset = targetTransform.gameObject.GetCachedComponent<PivotOffset>()) != null) {
position = targetTransform.TransformPoint(pivotOffset.Offset);
} else {
position = targetTransform.position;
}
direction = (position - m_MagicItemPerspectiveProperties.OriginLocation.position).normalized;
normal = targetTransform.up;
return true;
}
// None direction.
direction = m_CharacterTransform.forward;
position = m_CharacterTransform.position;
normal = m_CharacterTransform.up;
return true;
}
/// <summary>
/// Returns the direction that the character is looking.
/// </summary>
/// <param name="lookPosition">The position that the character is looking from.</param>
/// <param name="characterLookDirection">Is the character look direction being retrieved?</param>
/// <param name="layerMask">The LayerMask value of the objects that the look direction can hit.</param>
/// <param name="useRecoil">Should recoil be included in the look direction?</param>
/// <returns>The direction that the character is looking.</returns>
public Vector3 LookDirection(Vector3 lookPosition, bool characterLookDirection, int layerMask, bool useRecoil)
{
var collisionLayerEnabled = m_CharacterLocomotion.CollisionLayerEnabled;
m_CharacterLocomotion.EnableColliderCollisionLayer(false);
// Cast a ray from the look source point in the forward direction. The look direction is then the vector from the look position to the hit point.
RaycastHit hit;
Vector3 direction;
if (Physics.Raycast(m_LookPosition, m_LookDirection, out hit, m_LookDirectionDistance, layerMask, QueryTriggerInteraction.Ignore))
{
direction = (hit.point - lookPosition).normalized;
}
else
{
direction = m_LookDirection;
}
m_CharacterLocomotion.EnableColliderCollisionLayer(collisionLayerEnabled);
return(direction);
}
/// <summary>
/// Throws the throwable object.
/// </summary>
public void ThrowItem()
{
if (m_Thrown)
{
return;
}
#if ULTIMATE_CHARACTER_CONTROLLER_MULTIPLAYER
// The object has been thrown. If the ItemAction is on the server then that object should be spawned on the network.
// Non-server actions should disable the mesh renderers so the object can take its place. The mesh renderers will be enabled again in a separate call.
if (m_NetworkInfo != null)
{
EnableObjectMeshRenderers(false);
if (!m_NetworkInfo.IsServer())
{
ObjectPool.Destroy(m_InstantiatedThrownObject);
m_InstantiatedThrownObject = null;
return;
}
}
#endif
m_InstantiatedThrownObject.transform.parent = null;
// The collider was previously disabled. Enable it again when it is thrown.
var collider = m_InstantiatedThrownObject.GetCachedComponent <Collider>();
collider.enabled = true;
// When the item is used the trajectory object should start moving on its own.
// The throwable item may be on the other side of an object (especially in the case of separate arms for the first person perspective). Perform a linecast
// to ensure the throwable item doesn't move through any objects.
var collisionEnabled = m_CharacterLocomotion.CollisionLayerEnabled;
m_CharacterLocomotion.EnableColliderCollisionLayer(false);
if (!m_CharacterLocomotion.ActiveMovementType.UseIndependentLook(false) &&
Physics.Linecast(m_CharacterLocomotion.LookSource.LookPosition(), m_InstantiatedTrajectoryObject.transform.position, out m_RaycastHit,
m_ImpactLayers, QueryTriggerInteraction.Ignore))
{
m_InstantiatedTrajectoryObject.transform.position = m_RaycastHit.point;
}
m_CharacterLocomotion.EnableColliderCollisionLayer(collisionEnabled);
var trajectoryTransform = m_ThrowableItemPerpectiveProperties.TrajectoryLocation != null ? m_ThrowableItemPerpectiveProperties.TrajectoryLocation : m_CharacterTransform;
var lookDirection = m_LookSource.LookDirection(trajectoryTransform.TransformPoint(m_TrajectoryOffset), false, m_ImpactLayers, true, true);
#if ULTIMATE_CHARACTER_CONTROLLER_VR
if (m_VRThrowableItem != null && m_CharacterLocomotion.FirstPersonPerspective)
{
m_Velocity = m_VRThrowableItem.GetVelocity();
}
#endif
var velocity = MathUtility.TransformDirection(m_Velocity, Quaternion.LookRotation(lookDirection, m_CharacterLocomotion.Up));
// Prevent the item from being thrown behind the character. This can happen if the character is looking straight up and there is a positive
// y velocity. Gravity will cause the thrown object to go in the opposite direction.
if (Vector3.Dot(velocity.normalized, m_CharacterTransform.forward) < 0 && m_CharacterTransform.InverseTransformDirection(velocity.normalized).y > 0)
{
velocity = m_CharacterTransform.up * velocity.magnitude;
}
m_InstantiatedTrajectoryObject.Initialize(m_CharacterLocomotion.Alive ? (velocity + (m_CharacterTransform.forward * m_CharacterLocomotion.LocalVelocity.z)) : Vector3.zero, Vector3.zero, m_Character, false);
#if ULTIMATE_CHARACTER_CONTROLLER_MULTIPLAYER
if (m_NetworkInfo != null)
{
NetworkObjectPool.NetworkSpawn(m_ThrownObject, m_InstantiatedThrownObject, true);
}
#endif
// Optionally change the layer after the object has been thrown. This allows the object to change from the first person Overlay layer
// to the Default layer after it has cleared the character's hands.
if (m_StartLayer != m_ThrownLayer)
{
Scheduler.ScheduleFixed(m_LayerChangeDelay, ChangeThrownLayer, m_InstantiatedThrownObject);
}
#if ULTIMATE_CHARACTER_CONTROLLER_MULTIPLAYER
if (m_NetworkInfo != null && !m_NetworkInfo.IsLocalPlayer())
{
m_Thrown = true;
}
#endif
}
/// <summary>
/// Fade any objects that get in the way between the character and the camera.
/// </summary>
/// <param name="immediateFade">Should the fade material be changed immediately?</param>
private void FadeObstructingObjects(bool immediateFade)
{
if (!m_ObstructingObjectsFade)
{
return;
}
// Disable any obstructing colliders so the sphere cast can detect which objects are obstructing.
for (int i = 0; i < m_ObstructingCollidersCount; ++i)
{
m_ObstructingColliders[i].enabled = true;
}
m_ObstructingCollidersCount = 0;
var characterPosition = m_CharacterTransform.TransformPoint(m_TransformOffset);
var direction = (m_Transform.position - characterPosition);
var start = characterPosition - direction.normalized * m_CollisionRadius;
m_CharacterLocomotion.EnableColliderCollisionLayer(false);
// Fire a sphere to prevent the camera from colliding with other objects.
var hitCount = Physics.SphereCastNonAlloc(start, m_CollisionRadius, direction.normalized, m_RaycastsHit,
direction.magnitude, m_CharacterLayerManager.IgnoreInvisibleCharacterWaterLayers, QueryTriggerInteraction.Ignore);
m_CharacterLocomotion.EnableColliderCollisionLayer(true);
m_ObstructionHitSet.Clear();
if (hitCount > 0)
{
// Loop through all of the hit colliders. For any collider that has been hit get all of the renderers. The materials that are used on the
// renderers then need to be checked to determine if they can be faded. If the material can be faded place it in a set which will then
// be checked in the next block to determine if the material should be faded.
for (int i = 0; i < hitCount; ++i)
{
var renderers = m_RaycastsHit[i].transform.gameObject.GetCachedComponents <Renderer>();
var obstructing = false;
for (int j = 0; j < renderers.Length; ++j)
{
var materials = renderers[j].materials;
for (int k = 0; k < materials.Length; ++k)
{
if (!m_CanObstructionFade.TryGetValue(materials[k], out var canFade))
{
// Objects can fade if they have the color property and can be transparent.
canFade = materials[k].HasProperty(m_ColorID) && (m_AutoSetMode || materials[k].renderQueue >= (int)UnityEngine.Rendering.RenderQueue.Transparent);
m_CanObstructionFade.Add(materials[k], canFade);
}
if (canFade)
{
var material = materials[k];
// Any material contained within the hit set should be faded.
m_ObstructionHitSet.Add(material);
if (m_DisableCollider && !obstructing)
{
obstructing = CanMaterialFade(material);
}
// The same material may be applied to multiple renderers.
if (!m_OriginalMaterialValuesMap.ContainsKey(material))
{
// Don't set the mode automatically just because it has the property - not all objects in the environment should fade.
if (m_AutoSetMode && material.HasProperty(OriginalMaterialValue.ModeID))
{
m_MaterialModeSet.Add(material);
}
var originalMaterialValues = GenericObjectPool.Get <OriginalMaterialValue>();
originalMaterialValues.Initialize(material, m_ColorID, m_MaterialModeSet.Contains(material));
m_OriginalMaterialValuesMap.Add(material, originalMaterialValues);
m_ObstructingMaterials[m_ObstructingMaterialsCount] = material;
m_ObstructingMaterialsCount++;
EnableFadeMaterial(material);
}
}
}
}
// If the object is faded then the collider has the option of being disabled to prevent it from causing collisions.
if (m_DisableCollider && obstructing)
{
m_RaycastsHit[i].collider.enabled = false;
m_ObstructingColliders[m_ObstructingCollidersCount] = m_RaycastsHit[i].collider;
m_ObstructingCollidersCount++;
}
}
}
// Once the obstructing objects have been found they should be faded. Note that this can cause a lot of overdraw so the FadeObject method can be
// overridden to provide a custom effect such as the one described on https://madewith.unity.com/stories/dissolving-the-world-part-1.
for (int i = m_ObstructingMaterialsCount - 1; i >= 0; --i)
{
if (!FadeMaterial(m_ObstructingMaterials[i], m_ObstructionHitSet.Contains(m_ObstructingMaterials[i]), immediateFade))
{
RemoveObstructingMaterial(i);
}
}
}
