Cache IKCtrlData

Noticed that there are IKCtrlData other than "左手." Regardless, it
seems like it doesn't matter which IKCtrlData is used.

Need to look into it some more though.

COM3D2.MeidoPhotoStudio.Plugin/MeidoPhotoStudio/DragPoint/DragPointMeido.cs

@@ -11,6 +11,7 @@ namespace COM3D2.MeidoPhotoStudio.Plugin
         protected const int jointLower = 2;
         protected Meido meido;
         protected Maid maid;
+        protected IKCtrlData IkCtrlData => meido.Body.IKCtrl.GetIKData("左手");
         protected bool isPlaying;
         private bool isBone;
         public bool IsBone
@@ -55,9 +56,8 @@ namespace COM3D2.MeidoPhotoStudio.Plugin
             iKCmo.Init(upper, middle, lower, maid.body0);
         }
 
-        protected void Porc(TBody.IKCMO ikCmo, Transform upper, Transform middle, Transform lower)
+        protected void Porc(TBody.IKCMO ikCmo, IKCtrlData ikData, Transform upper, Transform middle, Transform lower)
         {
-            IKCtrlData ikData = maid.body0.IKCtrl.GetIKData("左手");
             ikCmo.Porc(upper, middle, lower, CursorPosition(), Vector3.zero, ikData);
         }
     }

COM3D2.MeidoPhotoStudio.Plugin/MeidoPhotoStudio/Meido/IK/DragPointChain.cs

@@ -7,6 +7,7 @@ namespace COM3D2.MeidoPhotoStudio.Plugin
     {
         private readonly TBody.IKCMO IK = new TBody.IKCMO();
         private readonly Quaternion[] jointRotation = new Quaternion[3];
+        private IKCtrlData ikCtrlData;
         private Transform[] ikChain;
         private int foot = 1;
         private bool isLower;
@@ -28,6 +29,8 @@ namespace COM3D2.MeidoPhotoStudio.Plugin
                 myObject
             };
             if (isLower) ikChain[0] = ikChain[0].parent;
+
+            ikCtrlData = IkCtrlData;
         }
 
         private void InitializeRotation()
@@ -115,7 +118,7 @@ namespace COM3D2.MeidoPhotoStudio.Plugin
             {
                 int upperJoint = altRotation ? jointMiddle : jointUpper;
 
-                Porc(IK, ikChain[upperJoint], ikChain[jointMiddle], ikChain[jointLower]);
+                Porc(IK, ikCtrlData, ikChain[upperJoint], ikChain[jointMiddle], ikChain[jointLower]);
 
                 InitializeRotation();
             }

COM3D2.MeidoPhotoStudio.Plugin/MeidoPhotoStudio/Meido/IK/DragPointFinger.cs

@@ -5,11 +5,12 @@ namespace COM3D2.MeidoPhotoStudio.Plugin
     using Input = InputManager;
     internal class DragPointFinger : DragPointMeido
     {
+        private static readonly Color dragpointColour = new Color(0.1f, 0.4f, 0.95f, defaultAlpha);
         private readonly TBody.IKCMO IK = new TBody.IKCMO();
         private readonly Quaternion[] jointRotation = new Quaternion[2];
+        private IKCtrlData ikCtrlData;
         private Transform[] ikChain;
         private bool baseFinger;
-        private static readonly Color dragpointColour = new Color(0.1f, 0.4f, 0.95f, defaultAlpha);
 
         public override void Set(Transform myObject)
         {
@@ -21,6 +22,7 @@ namespace COM3D2.MeidoPhotoStudio.Plugin
                 myObject.parent,
                 myObject
             };
+            ikCtrlData = IkCtrlData;
         }
 
         private void SetRotation(int joint)
@@ -61,7 +63,7 @@ namespace COM3D2.MeidoPhotoStudio.Plugin
 
             if (CurrentDragType == DragType.MoveXZ)
             {
-                Porc(IK, ikChain[jointUpper], ikChain[jointUpper], ikChain[jointMiddle]);
+                Porc(IK, ikCtrlData, ikChain[jointUpper], ikChain[jointUpper], ikChain[jointMiddle]);
                 if (!baseFinger)
                 {
                     SetRotation(jointUpper);