594 lines
22 KiB
C#
594 lines
22 KiB
C#
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using UnityEngine;
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namespace UnityEditor.U2D.Animation
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{
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internal class SkeletonView : ISkeletonView
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{
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internal const string deleteCommandName = "Delete";
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internal const string softDeleteCommandName = "SoftDelete";
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const float k_PickingRadius = 5f;
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static readonly int k_BodyHashCode = "Body".GetHashCode();
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static readonly int k_JointHashCode = "Joint".GetHashCode();
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static readonly int k_TailHashCode = "Tail".GetHashCode();
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static readonly int k_CreateBoneHashCode = "CreateBone".GetHashCode();
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public int InvalidID { get; set; }
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public SkeletonMode mode { get; set; }
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public int defaultControlID { get; set; }
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public int hoveredBoneID => m_HoveredBoneID;
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public int hoveredJointID => m_HoveredJointID;
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public int hoveredBodyID => m_HoveredBodyID;
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public int hoveredTailID => m_HoveredTailID;
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public int hotBoneID => m_HotBoneID;
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IGUIWrapper m_GUIWrapper;
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int m_RotateControlID = -1;
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int m_MoveControlID = -1;
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int m_FreeMoveControlID = -1;
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int m_MoveJointControlID = -1;
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int m_MoveEndPositionControlID = -1;
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int m_ChangeLengthControlID = -1;
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int m_CreateBoneControlID = -1;
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int m_HoveredBoneID = 0;
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int m_PrevHoveredBoneID = 0;
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int m_HoveredBodyID = 0;
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int m_HoveredJointID = 0;
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int m_HoveredTailID = 0;
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int m_HotBoneID = 0;
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int m_HoveredBodyControlID = -1;
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int m_HoveredJointControlID = -1;
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int m_HoveredTailControlID = -1;
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float m_NearestDistance;
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float m_NearestBodyDistance;
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float m_NearestJointDistance;
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float m_NearestTailDistance;
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int m_NearestBodyId = 0;
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int m_NearestJointId = 0;
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int m_NearestTailId = 0;
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SliderData m_HoveredSliderData = SliderData.zero;
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SliderData m_HotSliderData = SliderData.zero;
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public SkeletonView(IGUIWrapper gw)
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{
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m_GUIWrapper = gw;
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}
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public void BeginLayout()
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{
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m_HoveredBodyControlID = m_GUIWrapper.GetControlID(k_BodyHashCode, FocusType.Passive);
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m_HoveredJointControlID = m_GUIWrapper.GetControlID(k_JointHashCode, FocusType.Passive);
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m_HoveredTailControlID = m_GUIWrapper.GetControlID(k_TailHashCode, FocusType.Passive);
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m_CreateBoneControlID = m_GUIWrapper.GetControlID(k_CreateBoneHashCode, FocusType.Passive);
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if (m_GUIWrapper.eventType == EventType.Layout)
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{
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m_PrevHoveredBoneID = m_HoveredBoneID;
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m_NearestDistance = float.MaxValue;
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m_NearestBodyDistance = float.MaxValue;
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m_NearestJointDistance = float.MaxValue;
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m_NearestTailDistance = float.MaxValue;
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m_NearestBodyId = InvalidID;
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m_NearestJointId = InvalidID;
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m_NearestTailId = InvalidID;
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m_HoveredBoneID = InvalidID;
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m_HoveredBodyID = InvalidID;
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m_HoveredJointID = InvalidID;
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m_HoveredTailID = InvalidID;
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m_HoveredSliderData = SliderData.zero;
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if (m_GUIWrapper.IsControlHot(0))
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{
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m_RotateControlID = -1;
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m_MoveControlID = -1;
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m_FreeMoveControlID = -1;
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m_MoveJointControlID = -1;
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m_MoveEndPositionControlID = -1;
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m_ChangeLengthControlID = -1;
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m_HotBoneID = InvalidID;
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}
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}
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}
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public void EndLayout()
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{
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m_GUIWrapper.LayoutControl(m_HoveredBodyControlID, m_NearestBodyDistance * 0.25f);
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m_GUIWrapper.LayoutControl(m_HoveredJointControlID, m_NearestJointDistance);
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m_GUIWrapper.LayoutControl(m_HoveredTailControlID, m_NearestTailDistance);
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if (m_GUIWrapper.IsControlNearest(m_HoveredBodyControlID))
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{
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m_HoveredBoneID = m_NearestBodyId;
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m_HoveredBodyID = m_NearestBodyId;
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}
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if (m_GUIWrapper.IsControlNearest(m_HoveredJointControlID))
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{
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m_HoveredBoneID = m_NearestJointId;
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m_HoveredJointID = m_NearestJointId;
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}
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if (m_GUIWrapper.IsControlNearest(m_HoveredTailControlID))
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{
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m_HoveredBoneID = m_NearestTailId;
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m_HoveredTailID = m_NearestTailId;
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}
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if ((m_GUIWrapper.eventType == EventType.Layout && m_PrevHoveredBoneID != m_HoveredBoneID) || m_GUIWrapper.eventType == EventType.MouseMove)
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m_GUIWrapper.Repaint();
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}
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public bool CanLayout()
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{
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return m_GUIWrapper.eventType == EventType.Layout;
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}
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public void LayoutBone(int id, Vector3 position, Vector3 endPosition, Vector3 forward, Vector3 up, Vector3 right, bool isChainEnd)
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{
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if (mode == SkeletonMode.Disabled)
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return;
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SliderData sliderData = new SliderData()
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{
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position = GetMouseWorldPosition(forward, position),
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forward = forward,
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up = up,
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right = right
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};
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{
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float distance = m_GUIWrapper.DistanceToSegmentClamp(position, endPosition);
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if (distance <= m_NearestDistance)
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{
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m_NearestDistance = distance;
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m_NearestBodyDistance = distance;
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m_NearestBodyId = id;
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m_HoveredSliderData = sliderData;
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}
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}
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{
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float distance = m_GUIWrapper.DistanceToCircle(position, GetBoneRadiusForPicking(position) * 2f);
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if (distance <= m_NearestDistance)
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{
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m_NearestDistance = distance;
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m_NearestJointDistance = distance;
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m_NearestJointId = id;
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m_HoveredSliderData = sliderData;
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}
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}
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if (isChainEnd &&
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(IsCapable(SkeletonAction.ChangeLength) ||
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IsCapable(SkeletonAction.MoveEndPosition) ||
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IsCapable(SkeletonAction.CreateBone)))
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{
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float distance = m_GUIWrapper.DistanceToCircle(endPosition, GetBoneRadiusForPicking(endPosition));
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if (distance <= m_NearestDistance)
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{
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m_NearestDistance = distance;
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m_NearestTailDistance = distance;
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m_NearestTailId = id;
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m_HoveredSliderData = sliderData;
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}
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}
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}
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public Vector3 GetMouseWorldPosition(Vector3 planeNormal, Vector3 planePosition)
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{
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return m_GUIWrapper.GUIToWorld(m_GUIWrapper.mousePosition, planeNormal, planePosition);
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}
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float GetBoneRadiusForPicking(Vector3 position)
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{
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if (m_GUIWrapper.HasCurrentCamera())
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return 0.1f * m_GUIWrapper.GetHandleSize(position);
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return k_PickingRadius;
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}
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public bool DoSelectBone(out int id, out bool additive)
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{
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id = 0;
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additive = false;
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if (IsActionTriggering(SkeletonAction.Select))
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{
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id = m_HoveredBoneID;
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additive = m_GUIWrapper.isActionKeyDown;
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if (mode == SkeletonMode.Selection)
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{
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m_GUIWrapper.UseCurrentEvent();
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m_GUIWrapper.SetGuiChanged(true);
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}
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return true;
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}
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return false;
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}
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public bool DoRotateBone(Vector3 pivot, Vector3 normal, out float deltaAngle)
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{
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deltaAngle = 0f;
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Vector3 oldPosition = m_HotSliderData.position;
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if (DoSliderAction(SkeletonAction.RotateBone, m_HoveredBodyControlID, ref m_RotateControlID, out Vector3 newPosition))
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{
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deltaAngle = Vector3.SignedAngle(oldPosition - pivot, (Vector3)newPosition - pivot, normal);
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return true;
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}
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return false;
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}
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public bool DoMoveBone(out Vector3 deltaPosition)
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{
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deltaPosition = Vector3.zero;
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Vector3 oldPosition = m_HotSliderData.position;
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if (DoSliderAction(SkeletonAction.MoveBone, m_HoveredJointControlID, ref m_MoveControlID, out Vector3 newPosition))
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{
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deltaPosition = newPosition - oldPosition;
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return true;
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}
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return false;
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}
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public bool DoFreeMoveBone(out Vector3 deltaPosition)
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{
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deltaPosition = Vector3.zero;
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Vector3 oldPosition = m_HotSliderData.position;
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if (DoSliderAction(SkeletonAction.FreeMoveBone, m_HoveredBodyControlID, ref m_FreeMoveControlID, out Vector3 newPosition))
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{
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deltaPosition = newPosition - oldPosition;
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return true;
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}
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return false;
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}
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public bool DoMoveJoint(out Vector3 deltaPosition)
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{
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deltaPosition = Vector3.zero;
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Vector3 oldPosition = m_HotSliderData.position;
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if (DoSliderAction(SkeletonAction.MoveJoint, m_HoveredJointControlID, ref m_MoveJointControlID, out Vector3 newPosition))
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{
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deltaPosition = newPosition - oldPosition;
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return true;
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}
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return false;
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}
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public bool DoMoveEndPosition(out Vector3 endPosition)
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{
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return DoSliderAction(SkeletonAction.MoveEndPosition, m_HoveredTailControlID, ref m_MoveEndPositionControlID, out endPosition);
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}
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public bool DoChangeLength(out Vector3 endPosition)
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{
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return DoSliderAction(SkeletonAction.ChangeLength, m_HoveredTailControlID, ref m_ChangeLengthControlID, out endPosition);
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}
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bool DoSliderAction(SkeletonAction action, int controlID, ref int actionControlID, out Vector3 newPosition)
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{
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newPosition = m_HoveredSliderData.position;
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if (IsActionTriggering(action))
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{
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actionControlID = controlID;
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m_HotSliderData = m_HoveredSliderData;
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m_HotBoneID = hoveredBoneID;
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}
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if (m_GUIWrapper.DoSlider(actionControlID, m_HotSliderData, out newPosition))
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{
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m_HotSliderData.position = newPosition;
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return true;
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}
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return false;
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}
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public bool DoCreateBoneStart(out Vector3 position)
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{
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position = GetMouseWorldPosition(m_HoveredSliderData.forward, m_HoveredSliderData.position);
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if (CanCreateBone())
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m_GUIWrapper.LayoutControl(m_CreateBoneControlID, 0f);
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if (IsActionActive(SkeletonAction.CreateBone))
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ConsumeMouseMoveEvents();
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if (IsActionTriggering(SkeletonAction.CreateBone))
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{
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m_HotBoneID = hoveredBoneID;
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m_GUIWrapper.SetMultiStepControlHot(m_CreateBoneControlID);
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m_GUIWrapper.UseCurrentEvent();
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return true;
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}
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return false;
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}
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public bool CanCreateBone()
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{
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return mode == SkeletonMode.CreateBone && (m_GUIWrapper.IsControlNearest(defaultControlID) || m_GUIWrapper.IsControlNearest(m_HoveredTailControlID));
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}
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public bool DoCreateBone(out Vector3 position)
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{
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position = GetMouseWorldPosition(m_HoveredSliderData.forward, m_HoveredSliderData.position);
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if (IsActionHot(SkeletonAction.CreateBone))
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ConsumeMouseMoveEvents();
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if (IsActionFinishing(SkeletonAction.CreateBone))
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{
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m_GUIWrapper.UseCurrentEvent();
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m_GUIWrapper.SetGuiChanged(true);
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return true;
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}
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return false;
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}
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public bool DoSplitBone(out int id, out Vector3 position)
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{
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id = m_HoveredBodyID;
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position = GetMouseWorldPosition(m_HoveredSliderData.forward, m_HoveredSliderData.position);
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if (IsActionActive(SkeletonAction.SplitBone))
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ConsumeMouseMoveEvents();
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if (IsActionTriggering(SkeletonAction.SplitBone))
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{
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m_GUIWrapper.UseCurrentEvent();
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m_GUIWrapper.SetGuiChanged(true);
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return true;
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}
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return false;
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}
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public bool DoRemoveBone()
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{
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if (IsActionTriggering(SkeletonAction.Remove))
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{
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m_GUIWrapper.UseCurrentEvent();
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m_GUIWrapper.SetGuiChanged(true);
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return true;
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}
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return false;
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}
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public bool DoCancelMultistepAction(bool force)
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{
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if (force)
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{
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m_GUIWrapper.SetMultiStepControlHot(0);
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return true;
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}
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if ((!m_GUIWrapper.IsMultiStepControlHot(0) && (m_GUIWrapper.IsMouseDown(1) || m_GUIWrapper.IsKeyDown(KeyCode.Escape))))
|
||
|
|
{
|
||
|
|
m_GUIWrapper.SetMultiStepControlHot(0);
|
||
|
|
m_GUIWrapper.UseCurrentEvent();
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public bool IsActionActive(SkeletonAction action)
|
||
|
|
{
|
||
|
|
if (m_GUIWrapper.isAltDown || !m_GUIWrapper.IsControlHot(0) || !m_GUIWrapper.IsMultiStepControlHot(0))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
if (action == SkeletonAction.None)
|
||
|
|
return m_GUIWrapper.IsControlNearest(defaultControlID);
|
||
|
|
|
||
|
|
if (!IsCapable(action))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
if (action == SkeletonAction.RotateBone)
|
||
|
|
return m_GUIWrapper.IsControlNearest(m_HoveredBodyControlID);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.ChangeLength)
|
||
|
|
return m_GUIWrapper.IsControlNearest(m_HoveredTailControlID) && !m_GUIWrapper.isShiftDown;
|
||
|
|
|
||
|
|
if (action == SkeletonAction.MoveJoint)
|
||
|
|
return m_GUIWrapper.IsControlNearest(m_HoveredJointControlID);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.MoveEndPosition)
|
||
|
|
return m_GUIWrapper.IsControlNearest(m_HoveredTailControlID) && !m_GUIWrapper.isShiftDown;
|
||
|
|
|
||
|
|
if (action == SkeletonAction.FreeMoveBone)
|
||
|
|
return m_GUIWrapper.IsControlNearest(m_HoveredBodyControlID);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.MoveBone)
|
||
|
|
return m_GUIWrapper.IsControlNearest(m_HoveredJointControlID);
|
||
|
|
|
||
|
|
bool canCreateBone = IsCapable(SkeletonAction.CreateBone) && m_GUIWrapper.IsControlNearest(m_CreateBoneControlID);
|
||
|
|
bool canSplitBone = IsCapable(SkeletonAction.SplitBone) && m_GUIWrapper.IsControlNearest(m_HoveredBodyControlID);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.CreateBone)
|
||
|
|
return canCreateBone;
|
||
|
|
|
||
|
|
if (action == SkeletonAction.SplitBone)
|
||
|
|
return canSplitBone;
|
||
|
|
|
||
|
|
if (action == SkeletonAction.Select)
|
||
|
|
return (m_GUIWrapper.IsControlNearest(m_HoveredBodyControlID) && !canSplitBone) ||
|
||
|
|
m_GUIWrapper.IsControlNearest(m_HoveredJointControlID) ||
|
||
|
|
(m_GUIWrapper.IsControlNearest(m_HoveredTailControlID) && !canCreateBone);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.Remove)
|
||
|
|
return true;
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public bool IsActionHot(SkeletonAction action)
|
||
|
|
{
|
||
|
|
if (action == SkeletonAction.None)
|
||
|
|
return m_GUIWrapper.IsControlHot(0) && m_GUIWrapper.IsMultiStepControlHot(0);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.RotateBone)
|
||
|
|
return m_GUIWrapper.IsControlHot(m_RotateControlID);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.MoveBone)
|
||
|
|
return m_GUIWrapper.IsControlHot(m_MoveControlID);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.FreeMoveBone)
|
||
|
|
return m_GUIWrapper.IsControlHot(m_FreeMoveControlID);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.MoveJoint)
|
||
|
|
return m_GUIWrapper.IsControlHot(m_MoveJointControlID);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.MoveEndPosition)
|
||
|
|
return m_GUIWrapper.IsControlHot(m_MoveEndPositionControlID);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.ChangeLength)
|
||
|
|
return m_GUIWrapper.IsControlHot(m_ChangeLengthControlID);
|
||
|
|
|
||
|
|
if (action == SkeletonAction.CreateBone)
|
||
|
|
return m_GUIWrapper.IsMultiStepControlHot(m_CreateBoneControlID) && !m_GUIWrapper.isAltDown;
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
public bool IsActionTriggering(SkeletonAction action)
|
||
|
|
{
|
||
|
|
if (!IsActionActive(action))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
if (action == SkeletonAction.Remove)
|
||
|
|
{
|
||
|
|
if ((m_GUIWrapper.eventType == EventType.ValidateCommand || m_GUIWrapper.eventType == EventType.ExecuteCommand)
|
||
|
|
&& (m_GUIWrapper.commandName == softDeleteCommandName || m_GUIWrapper.commandName == deleteCommandName))
|
||
|
|
{
|
||
|
|
if (m_GUIWrapper.eventType == EventType.ExecuteCommand)
|
||
|
|
return true;
|
||
|
|
|
||
|
|
m_GUIWrapper.UseCurrentEvent();
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return m_GUIWrapper.IsMouseDown(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
public bool IsActionFinishing(SkeletonAction action)
|
||
|
|
{
|
||
|
|
if (!IsActionHot(action) || !IsCapable(action))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
if (m_GUIWrapper.IsEventOutsideWindow())
|
||
|
|
return true;
|
||
|
|
|
||
|
|
if (action == SkeletonAction.CreateBone)
|
||
|
|
return m_GUIWrapper.IsMouseDown(0);
|
||
|
|
|
||
|
|
return m_GUIWrapper.IsMouseUp(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
public bool IsRepainting()
|
||
|
|
{
|
||
|
|
return m_GUIWrapper.IsRepainting();
|
||
|
|
}
|
||
|
|
|
||
|
|
public void DrawBone(Vector3 position, Vector3 right, Vector3 forward, float length, Color color, bool isChained, bool isSelected, bool isJointHovered, bool isTailHovered, bool isHot)
|
||
|
|
{
|
||
|
|
Vector3 endPosition = position + right * length;
|
||
|
|
Quaternion rotation = Quaternion.LookRotation(forward, Vector3.Cross(right, forward));
|
||
|
|
Color boneJointColor = new Color(0f, 0f, 0f, 0.75f * color.a);
|
||
|
|
Color tailColor = new Color(0f, 0f, 0f, 0.75f * color.a);
|
||
|
|
Color hoveredColor = Handles.preselectionColor;
|
||
|
|
Color selectedColor = Handles.selectedColor;
|
||
|
|
bool drawRectCap = false;
|
||
|
|
|
||
|
|
if (isJointHovered)
|
||
|
|
boneJointColor = hoveredColor;
|
||
|
|
if (isHot && (IsActionHot(SkeletonAction.MoveBone) || IsActionHot(SkeletonAction.MoveJoint)))
|
||
|
|
boneJointColor = selectedColor;
|
||
|
|
|
||
|
|
if (mode == SkeletonMode.EditPose || mode == SkeletonMode.CreateBone)
|
||
|
|
{
|
||
|
|
if (isJointHovered || isSelected)
|
||
|
|
drawRectCap = true;
|
||
|
|
}
|
||
|
|
else if (mode == SkeletonMode.EditJoints || mode == SkeletonMode.SplitBone)
|
||
|
|
{
|
||
|
|
rotation = Quaternion.identity;
|
||
|
|
drawRectCap = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (drawRectCap)
|
||
|
|
Handles.RectangleHandleCap(0, position, rotation, BoneDrawingUtility.GetBoneRadius(position), EventType.Repaint);
|
||
|
|
|
||
|
|
BoneDrawingUtility.DrawBone(position, endPosition, forward, color);
|
||
|
|
BoneDrawingUtility.DrawBoneNode(position, forward, boneJointColor);
|
||
|
|
|
||
|
|
if (!isChained &&
|
||
|
|
(IsCapable(SkeletonAction.ChangeLength) ||
|
||
|
|
IsCapable(SkeletonAction.MoveEndPosition)))
|
||
|
|
{
|
||
|
|
if (isTailHovered)
|
||
|
|
tailColor = hoveredColor;
|
||
|
|
|
||
|
|
if (isHot && (IsActionHot(SkeletonAction.ChangeLength) || IsActionHot(SkeletonAction.MoveEndPosition)))
|
||
|
|
tailColor = selectedColor;
|
||
|
|
|
||
|
|
BoneDrawingUtility.DrawBoneNode(endPosition, forward, tailColor);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void DrawBoneParentLink(Vector3 parentPosition, Vector3 position, Vector3 forward, Color color)
|
||
|
|
{
|
||
|
|
BoneDrawingUtility.DrawBone(position, parentPosition, forward, color);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void DrawBoneOutline(Vector3 position, Vector3 right, Vector3 forward, float length, Color color, float outlineScale)
|
||
|
|
{
|
||
|
|
BoneDrawingUtility.DrawBoneOutline(position, position + right * length, forward, color, outlineScale);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void DrawCursors(bool canBeActive)
|
||
|
|
{
|
||
|
|
Rect mouseScreenRect = new Rect(m_GUIWrapper.mousePosition.x - 100f, m_GUIWrapper.mousePosition.y - 100f, 200f, 200f);
|
||
|
|
|
||
|
|
bool isRotateHot = IsActionHot(SkeletonAction.RotateBone);
|
||
|
|
if ((canBeActive && IsActionActive(SkeletonAction.RotateBone)) || isRotateHot)
|
||
|
|
EditorGUIUtility.AddCursorRect(mouseScreenRect, MouseCursor.RotateArrow);
|
||
|
|
|
||
|
|
if ((canBeActive && IsActionActive(SkeletonAction.MoveBone)) || IsActionHot(SkeletonAction.MoveBone) ||
|
||
|
|
(canBeActive && IsActionActive(SkeletonAction.FreeMoveBone)) || IsActionHot(SkeletonAction.FreeMoveBone) ||
|
||
|
|
(canBeActive && IsActionActive(SkeletonAction.MoveJoint)) || IsActionHot(SkeletonAction.MoveJoint) ||
|
||
|
|
(canBeActive && IsActionActive(SkeletonAction.MoveEndPosition)) || IsActionHot(SkeletonAction.MoveEndPosition))
|
||
|
|
EditorGUIUtility.AddCursorRect(mouseScreenRect, MouseCursor.MoveArrow);
|
||
|
|
}
|
||
|
|
|
||
|
|
void ConsumeMouseMoveEvents()
|
||
|
|
{
|
||
|
|
if (m_GUIWrapper.eventType == EventType.MouseMove || (m_GUIWrapper.eventType == EventType.MouseDrag && m_GUIWrapper.mouseButton == 0))
|
||
|
|
m_GUIWrapper.UseCurrentEvent();
|
||
|
|
}
|
||
|
|
|
||
|
|
bool IsCapable(SkeletonAction action)
|
||
|
|
{
|
||
|
|
return ((int)mode & (int)action) != 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|