public static Selectable FindNextSelectable(Selectable selectable, Transform transform, List <Selectable> allSelectables, Vector3 direction)
{
RectTransform rectTransform = transform as RectTransform;
if (rectTransform == null)
{
return(null);
}
direction = direction.normalized;
Vector2 vector = Quaternion.Inverse(transform.rotation) * direction;
Vector2 vector2 = transform.TransformPoint(UITools.GetPointOnRectEdge(rectTransform, vector));
bool flag = direction == Vector3.left || direction == Vector3.right;
float num = float.PositiveInfinity;
float num2 = float.PositiveInfinity;
Selectable selectable2 = null;
Selectable selectable3 = null;
Vector2 point = vector2 + vector * 999999f;
for (int i = 0; i < allSelectables.Count; i++)
{
Selectable selectable4 = allSelectables[i];
if (!(selectable4 == selectable) && !(selectable4 == null))
{
if (selectable4.navigation.mode != Navigation.Mode.None)
{
if (selectable4.IsInteractable() || ReflectionTools.GetPrivateField <Selectable, bool>(selectable4, "m_GroupsAllowInteraction"))
{
RectTransform rectTransform2 = selectable4.transform as RectTransform;
if (!(rectTransform2 == null))
{
Rect worldSpaceRect = UITools.GetWorldSpaceRect(rectTransform2);
float num3;
if (MathTools.LineIntersectsRect(vector2, point, worldSpaceRect, out num3))
{
if (flag)
{
num3 *= 0.25f;
}
if (num3 < num2)
{
num2 = num3;
selectable3 = selectable4;
}
}
Vector2 v = rectTransform2.rect.center;
Vector2 to = selectable4.transform.TransformPoint(v) - vector2;
float num4 = Mathf.Abs(Vector2.Angle(vector, to));
if (num4 <= 75f)
{
float sqrMagnitude = to.sqrMagnitude;
if (sqrMagnitude < num)
{
num = sqrMagnitude;
selectable2 = selectable4;
}
}
}
}
}
}
}
if (!(selectable3 != null) || !(selectable2 != null))
{
return(selectable3 ?? selectable2);
}
if (num2 > num)
{
return(selectable2);
}
return(selectable3);
}
public static Selectable FindNextSelectable(
Selectable selectable,
Transform transform,
List <Selectable> allSelectables,
Vector3 direction)
{
RectTransform rectTransform1 = transform as RectTransform;
if (Object.op_Equality((Object)rectTransform1, (Object)null))
{
return((Selectable)null);
}
((Vector3) ref direction).Normalize();
Vector2 dir = Vector2.op_Implicit(direction);
Vector2 vector2_1 = Vector2.op_Implicit(UITools.GetPointOnRectEdge(rectTransform1, dir));
bool flag = Vector2.op_Equality(dir, Vector2.op_Multiply(Vector2.get_right(), -1f)) || Vector2.op_Equality(dir, Vector2.get_right());
float num1 = float.PositiveInfinity;
float num2 = float.PositiveInfinity;
Selectable selectable1 = (Selectable)null;
Selectable selectable2 = (Selectable)null;
Vector2 vector2_2 = Vector2.op_Addition(vector2_1, Vector2.op_Multiply(dir, 999999f));
for (int index = 0; index < allSelectables.Count; ++index)
{
Selectable allSelectable = allSelectables[index];
if (!Object.op_Equality((Object)allSelectable, (Object)selectable) && !Object.op_Equality((Object)allSelectable, (Object)null))
{
Navigation navigation = allSelectable.get_navigation();
if (((Navigation) ref navigation).get_mode() != null && (allSelectable.IsInteractable() || (int)ReflectionTools.GetPrivateField <Selectable, bool>((M0)allSelectable, "m_GroupsAllowInteraction") != 0))
{
RectTransform transform1 = ((Component)allSelectable).get_transform() as RectTransform;
if (!Object.op_Equality((Object)transform1, (Object)null))
{
Rect rect1 = UITools.InvertY(UITools.TransformRectTo((Transform)transform1, transform, transform1.get_rect()));
float num3;
if (MathTools.LineIntersectsRect(vector2_1, vector2_2, rect1, ref num3))
{
if (flag)
{
num3 *= 0.25f;
}
if ((double)num3 < (double)num2)
{
num2 = num3;
selectable2 = allSelectable;
}
}
RectTransform rectTransform2 = transform1;
Transform transform2 = transform;
Rect rect2 = transform1.get_rect();
Vector3 vector3 = Vector2.op_Implicit(((Rect) ref rect2).get_center());
Vector2 vector2_3 = Vector2.op_Subtraction(Vector2.op_Implicit(UnityTools.TransformPoint((Transform)rectTransform2, transform2, vector3)), vector2_1);
if ((double)Mathf.Abs(Vector2.Angle(dir, vector2_3)) <= 75.0)
{
float sqrMagnitude = ((Vector2) ref vector2_3).get_sqrMagnitude();
if ((double)sqrMagnitude < (double)num1)
{
num1 = sqrMagnitude;
selectable1 = allSelectable;
}
}
}
}
}
}
if (!Object.op_Inequality((Object)selectable2, (Object)null) || !Object.op_Inequality((Object)selectable1, (Object)null))
{
return(selectable2 ?? selectable1);
}
return((double)num2 > (double)num1 ? selectable1 : selectable2);
}
