public bool CanApplyEntireMovement(CapsuleTransform a_Transform)
{
if (a_Transform.GetPosition() != m_Position)
{
if (!a_Transform.CanMove(m_Position - a_Transform.GetPosition(), true))
{
return(false);
}
}
if (a_Transform.GetUpDirection() != m_UpDirection)
{
if (!a_Transform.CanRotate(m_UpDirection, m_RotateMethod))
{
return(false);
}
}
if (a_Transform.GetLength() != m_Length)
{
if (!a_Transform.CanBeResized(m_Length, m_ResizeMethod))
{
return(false);
}
}
return(true);
}
//Calld by GroundedAnimatedAbilityModule to move a capsuletransform along the path
public void ApplyMotion(CapsuleTransform a_Transform, float a_Time)
{
if (m_CurrentPathNode == null)
{
return;
}
if (m_CurrentIndex == 0)
{
m_CurrentPathNode.ApplyEntireMovement(a_Transform);
return;
}
if (m_CurrentPathNode.m_Duration == 0)
{
m_CurrentPathNode.ApplyEntireMovement(a_Transform);
}
else
{
float factor = Mathf.Clamp01(a_Time / m_CurrentPathNode.m_Duration);
CapsuleMovementPathNode newPoint = new CapsuleMovementPathNode();
newPoint.InterpolationBetweenTwoNodes(m_PathNodes[m_CurrentIndex - 1], m_CurrentPathNode, factor);
newPoint.ApplyEntireMovement(a_Transform);
}
}
//Query whether this module can be active, given the current state of the character controller (velocity, isGrounded etc.)
//Called every frame when inactive (to see if it could be) and when active (to see if it should not be)
public override bool IsApplicable()
{
if (m_ControlledCollider.IsGrounded() || (DoesInputExist("Crouch") && GetButtonInput("Crouch").m_IsPressed) || GetDirInput("Move").m_Direction == DirectionInput.Direction.Down || m_CharacterController.DidJustJump())
{
return(false);
}
//Prevent overriding walljumps
if (GetDirInput("Move").IsInThisDirection(m_ControlledCollider.GetEdgeCastInfo().GetWallNormal()))
{
return(false);
}
if ((m_CharacterController.GetJumpIsCached()) && m_ControlledCollider.IsTouchingEdge())
{
//Move up to avoid transitioning into a wallrun.
//Also used to prevent small distance jumps.
CEdgeCastInfo edgeInfo = m_ControlledCollider.GetEdgeCastInfo();
CapsuleTransform copy = m_ControlledCollider.GetCapsuleTransformCopy();
Vector3 headStartDisplacement = edgeInfo.GetEdgeNormal() * (m_ControlledCollider.GetRadius() + 0.1f) + edgeInfo.GetWallNormal() * 0.015f;
if (!copy.CanMove(headStartDisplacement, true))
{
return(false);
}
copy.Move(headStartDisplacement);
m_ProposedNewPosition = copy.GetPosition();
return(true);
}
return(false);
}
//Apply the final transform state (when exiting the path)
public void ApplyFinalNode(CapsuleTransform a_Transform)
{
if (m_PathNodes.Count == 0)
{
return;
}
m_PathNodes[m_PathNodes.Count - 1].ApplyEntireMovement(a_Transform);
}
public CapsuleTransform CreateCopy()
{
CapsuleTransform copy = new CapsuleTransform();
copy.OverrideValues(this);
copy.m_IsCopy = true;
return(copy);
}
//Creation functions for the path
public CapsuleMovementPathNode CreateFirstNode(CapsuleTransform a_Transform)
{
CapsuleMovementPathNode node = new CapsuleMovementPathNode();
node.CopyFromTransform(a_Transform);
AddNode(node);
m_CurrentPathNode = node;
m_CurrentIndex = 0;
return(node);
}
public void OverrideValues(CapsuleTransform a_ToCopyFrom)
{
m_CapsuleCollider = a_ToCopyFrom.m_CapsuleCollider;
m_Position = a_ToCopyFrom.m_Position;
m_UpDirection = a_ToCopyFrom.m_UpDirection;
m_Length = a_ToCopyFrom.m_Length;
m_LastResizeMethod = a_ToCopyFrom.m_LastResizeMethod;
if (!m_IsCopy && m_CapsuleCollider != null)
{
m_CapsuleCollider.transform.position = m_Position;
m_CapsuleCollider.transform.rotation = GetRotation();
}
}
public void ApplyEntireMovement(CapsuleTransform a_Transform)
{
if (a_Transform.GetPosition() != m_Position)
{
a_Transform.SetPosition(m_Position);
}
if (a_Transform.GetUpDirection() != m_UpDirection)
{
a_Transform.Rotate(m_UpDirection, m_RotateMethod);
}
if (a_Transform.GetLength() != m_Length)
{
a_Transform.SetLength(m_Length, m_ResizeMethod);
}
}
//Check if the entire path can be applied
public bool IsPossible(CapsuleTransform a_Transform)
{
CapsuleTransform transform = a_Transform.CreateCopy();
bool isPossible = true;
for (int i = 0; i < m_PathNodes.Count; i++)
{
if (m_PathNodes[i].CanApplyEntireMovement(transform))
{
m_PathNodes[i].ApplyEntireMovement(transform);
}
else
{
return(false);
}
}
return(isPossible);
}
protected override void GeneratePath()
{
CEdgeCastInfo info = m_ControlledCollider.GetEdgeCastInfo();
m_Path.Clear();
CapsuleTransform copy = m_ControlledCollider.GetCapsuleTransformCopy();
//First node is in edgehang alignment, moving away from the edge mildly
CapsuleMovementPathNode newNode = m_Path.CreateFirstNode(copy);
Vector3 upCenter = info.GetProposedHeadPoint();
upCenter += m_ControlledCollider.GetEdgeCastInfo().GetWallNormal() * 0.03f;
copy.SetUpCenter(upCenter);
copy.Rotate(info.GetUpDirection(), RotateMethod.FromTop);
newNode = m_Path.DuplicateAndAddLastNode();
newNode.CopyFromTransform(copy);
//Second node moves up along local up, until the bottom can slide over the edge
newNode = m_Path.DuplicateAndAddLastNode();
newNode.m_Duration = m_MoveUpTime;
float contactDot = Vector3.Dot(info.GetEdgeNormal(), info.GetEdgePoint());
float bottomDot = Vector3.Dot(info.GetEdgeNormal(), copy.GetDownCenter()) - m_ControlledCollider.GetRadius() - m_MoveUpMargin;
float normalDot = Vector3.Dot(info.GetEdgeNormal(), copy.GetUpDirection());
float rawDistance = contactDot - bottomDot;
float distance = rawDistance / normalDot;
newNode.m_Position += copy.GetUpDirection() * distance;
newNode.ApplyEntireMovement(copy);
//Third node snaps the capsule to the "upright" position for the ground it's going to stand on
newNode = m_Path.DuplicateAndAddLastNode();
newNode.m_Duration = 0.0f;
newNode.m_UpDirection = (m_CharacterController.GetAlignsToGround()) ? info.GetEdgeNormal() : Vector3.up;
newNode.m_RotateMethod = RotateMethod.FromBottom;
newNode.ApplyEntireMovement(copy);
newNode.m_Position = copy.GetPosition();
//Final node moves the capsule over the ground
newNode = m_Path.DuplicateAndAddLastNode();
newNode.m_Duration = m_MoveSideTime;
Vector3 direction = CState.GetDirectionAlongNormal(-info.GetWallNormal(), info.GetEdgeNormal());
newNode.m_Position += direction * m_MoveSideDistance;
newNode.ApplyEntireMovement(copy);
}
//Apply a capsule transform to the actual collider object. Update contextual information
public void ApplyCapsuleTransform(CapsuleTransform a_CapsuleTransform)
{
m_CapsuleTransform.OverrideValues(a_CapsuleTransform);
UpdateContextInfo();
}
//Called for every fixedupdate that this module is active
public override void FixedUpdateModule()
{
float currentTransitionTime = Time.time - m_TransitionStartTime;
//A MovingColPoint is used to move and rotate the animation path when the collider it starts on is moved
//This allows animated abilities to work on moving colliders
if (m_ReferencePoint != null)
{
//Position
CapsuleTransform copy = m_ControlledCollider.GetCapsuleTransformCopy();
Vector3 diff = m_ReferencePoint.m_Transform.position - m_ReferencePoint.m_PrevPoint;
copy.Move(diff);
m_Path.Move(diff);
//Rotation
Quaternion rotationDifference = Quaternion.FromToRotation(m_ReferencePoint.m_PrevRot * Vector3.up, m_ReferencePoint.m_Transform.rotation * Vector3.up);
copy.Rotate(rotationDifference * copy.GetUpDirection(), RotateMethod.FromCenter);
m_Path.Rotate(rotationDifference, m_ReferencePoint.m_PrevPoint);
//Offset for rotation
Vector3 newRelativePoint = rotationDifference * m_ReferencePoint.m_PointRelativeToThis;
Vector3 relativeDifference = newRelativePoint - m_ReferencePoint.m_PointRelativeToThis;
copy.Move(relativeDifference);
m_ReferencePoint.m_PrevPoint = m_ReferencePoint.m_Transform.position;
m_ReferencePoint.m_PrevRot = m_ReferencePoint.m_Transform.rotation;
m_ReferencePoint.m_PointRelativeToThis = m_ReferencePoint.m_Transform.position - m_ControlledCollider.GetCapsuleTransform().GetPosition();
m_ReferencePoint.m_Normal = Quaternion.FromToRotation(m_ReferencePoint.m_PrevRot * Vector3.up, m_ReferencePoint.m_Transform.rotation * Vector3.up) * m_ReferencePoint.m_Normal;
if (copy.CanExistHere())
{
m_ControlledCollider.ApplyCapsuleTransform(copy);
}
else
{
m_WasInterrupted = true;
return;
}
}
m_ControlledCollider.SetVelocity(Vector2.zero);
//Move along the nodes as long as they can be applied (either they are finished or their duration is 0)
while (!m_Path.IsDone() && m_Path.m_CurrentPathNode != null && (m_Path.m_CurrentPathNode.m_Duration == 0 || Time.time - m_TransitionStartTime >= m_Path.m_CurrentPathNode.m_Duration))
{
if (m_Path.m_CurrentPathNode.CanApplyEntireMovement(m_ControlledCollider.GetCapsuleTransform()))
{
m_TransitionStartTime += m_Path.m_CurrentPathNode.m_Duration;
currentTransitionTime -= m_Path.m_CurrentPathNode.m_Duration;
m_Path.m_CurrentPathNode.ApplyEntireMovement(m_ControlledCollider.GetCapsuleTransform());
m_Path.IncrementCurrentNode();
}
else
{
m_WasInterrupted = true;
return;
}
}
//Move along the current node
if (m_Path.CanApplyMotion(m_ControlledCollider.GetCapsuleTransform(), currentTransitionTime))
{
m_Path.ApplyMotion(m_ControlledCollider.GetCapsuleTransform(), currentTransitionTime);
}
else
{
m_WasInterrupted = true;
return;
}
m_ControlledCollider.UpdateContextInfo();
}
public void CopyFromTransform(CapsuleTransform a_Transform)
{
m_Position = a_Transform.GetPosition();
m_UpDirection = a_Transform.GetUpDirection();
m_Length = a_Transform.GetLength();
}
//This context uses raycasts to determine if a ledge is present.
//The raycasts originate from above and to the left/right of the character, and are casted downwards
public void UpdateWithCollisions()
{
RaycastHit rightHit;
RaycastHit leftHit;
bool rightHasHit = false;
bool leftHasHit = false;
m_HasHitEdge = false;
Vector3 upCenter = m_CapsuleCollider.GetUpCenter();
Vector3 upDirection = m_CapsuleCollider.GetUpDirection();
Vector3 transformRight = m_CapsuleCollider.transform.right;
//Orient against wall to the side, even if not able to wallsliding
//This allows the character to grab onto ledges on slanted walls
CSideCastInfo sideInfo = m_CapsuleCollider.GetSideCastInfo();
if (sideInfo.m_HasHitSide)
{
Vector3 sideNormal = sideInfo.GetSideNormal();
Vector3 sidePoint = sideInfo.GetSidePoint();
Vector3 sideUp = CState.GetDirectionAlongNormal(Vector3.up, sideNormal);
RaycastHit properSideHit;
if (Physics.Raycast(sidePoint + sideNormal * 0.2f + sideUp * 0.05f, -sideNormal, out properSideHit, 0.3f, m_CapsuleCollider.GetLayerMask()))
{
Vector3 newPoint = properSideHit.point;
Vector3 newNormal = properSideHit.normal;
Vector3 newUp = CState.GetDirectionAlongNormal(Vector3.up, newNormal);
Vector3 pivot = upCenter - newPoint;
Quaternion rotation = Quaternion.FromToRotation(upDirection, newUp);
Vector3 newUpCenter = newPoint + rotation * pivot;
CapsuleTransform transform = m_CapsuleCollider.GetCapsuleTransformCopy();
transform.SetUpDirection(newUp);
transform.SetUpCenter(newUpCenter);
upCenter = newUpCenter;
upDirection = newUp;
transformRight = transform.GetRightDirection();
}
}
//Determine the starting positions of the raycasts
Vector3 centerStart = upCenter + upDirection * (m_CapsuleCollider.GetRadius() + m_CapsuleCollider.GetEdgeCastVerticalMargin());
Vector3 sideOffSet = transformRight * (m_CapsuleCollider.GetRadius() + m_CapsuleCollider.GetEdgeCastHorizontalDistance());
Vector3 grabLength = -upDirection * (m_CapsuleCollider.GetEdgeCastVerticalDistance() + m_CapsuleCollider.GetEdgeCastVerticalMargin());
//The raycasts originate from above and to the left/right of the character, and are casted downwards
//The angle of the slope they hit can't be too steep, or the character will slide off.
if (Physics.Raycast(centerStart + sideOffSet, -upDirection, out rightHit, grabLength.magnitude, m_CapsuleCollider.GetLayerMask()))
{
if (Vector3.Angle(rightHit.normal, upDirection) < m_CapsuleCollider.GetMaxGrabAngle())
{
rightHasHit = true;
}
}
if (Physics.Raycast(centerStart - sideOffSet, -upDirection, out leftHit, grabLength.magnitude, m_CapsuleCollider.GetLayerMask()))
{
if (Vector3.Angle(leftHit.normal, upDirection) < m_CapsuleCollider.GetMaxGrabAngle())
{
leftHasHit = true;
}
}
if (rightHasHit || leftHasHit)
{
RaycastHit castToUse;
Vector3 wallProbeDirection;
if (rightHasHit && leftHasHit)
{
if (leftHit.distance < rightHit.distance)
{
castToUse = leftHit;
wallProbeDirection = -transformRight;
}
else
{
castToUse = rightHit;
wallProbeDirection = transformRight;
}
}
else if (rightHasHit)
{
castToUse = rightHit;
wallProbeDirection = transformRight;
}
else
{
castToUse = leftHit;
wallProbeDirection = -transformRight;
}
//Check if the character can even hold on. The distance between the character and the start of the raycastpoint should not be blocked by a collider (no grabbing on ledges on the other side of walls
if (Physics.Raycast(centerStart, wallProbeDirection, m_CapsuleCollider.GetRadius() + m_CapsuleCollider.GetEdgeCastHorizontalDistance(), m_CapsuleCollider.GetLayerMask()))
{
return;
}
wallProbeDirection = CState.GetDirectionAlongNormal(wallProbeDirection, castToUse.normal);
//After detecting that collider can hang onto edge, orient properly against surface
RaycastHit probeHit;
Vector3 probedNormal = CState.GetDirectionAlongNormal(-wallProbeDirection, Vector3.up);
if (Physics.Raycast(upCenter, wallProbeDirection, out probeHit, m_CapsuleCollider.GetRadius() + m_CapsuleCollider.GetEdgeAlignProbeDistance(), m_CapsuleCollider.GetLayerMask()))
{
float angle = Vector3.Angle(probeHit.normal, Vector3.up);
if (angle < m_CapsuleCollider.GetMaxEdgeAlignAngle())
{
probedNormal = probeHit.normal;
}
}
Vector3 newUpDirection = CState.GetDirectionAlongNormal(Vector3.up, probedNormal);
Vector3 headPoint = castToUse.point + probedNormal * (m_CapsuleCollider.GetRadius() + m_CapsuleCollider.GetEdgeCastHorizontalDistance()) - newUpDirection * m_CapsuleCollider.GetRadius();
//Block check
//Check if something is obstructing the proposed headposition (and fix if so)
RaycastHit blockHit;
if (Physics.Raycast(headPoint, -probedNormal, out blockHit, m_CapsuleCollider.GetRadius(), m_CapsuleCollider.GetLayerMask()))
{
if (blockHit.distance < m_CapsuleCollider.GetRadius())
{
Vector3 alongNormal = -CState.GetDirectionAlongNormal(wallProbeDirection, castToUse.normal);
castToUse.point += alongNormal * (m_CapsuleCollider.GetRadius() - blockHit.distance) / Vector3.Dot(alongNormal, blockHit.normal);
headPoint = castToUse.point + probedNormal * (m_CapsuleCollider.GetRadius() + m_CapsuleCollider.GetEdgeCastHorizontalDistance()) - newUpDirection * m_CapsuleCollider.GetRadius();
}
}
//Rotation check, check if character is aligned to wall or dangling
//then check if that rotation can be achieved
CapsuleTransform copy = m_CapsuleCollider.GetCapsuleTransformCopy();
copy.SetUpCenter(headPoint);
if (Vector3.Angle(Vector3.up, probedNormal) > m_CapsuleCollider.GetMaxWallAngle() || Vector3.Angle(Vector3.up, probedNormal) < m_CapsuleCollider.GetMaxGroundedAngle())
{
return;
}
if (copy.CanRotate(newUpDirection, RotateMethod.FromTop))
{
m_EdgePoint = castToUse.point;
m_EdgeNormal = castToUse.normal;
m_EdgeTransform = castToUse.transform;
m_WallNormal = probedNormal;
m_UpDirection = newUpDirection;
m_ProposedHeadPosition = headPoint;
m_HasHitEdge = true;
}
}
}
