private float ShowMidpointControls(Ferr2DPath aPath, int i, PathEditorUtil.Selection aSelection, Matrix4x4 aTransform, SerializedProperty aPathProp, float aCurrDistance)
{
EventType eType = Event.current.type;
// calculate distance data for finding the midpoint
float segmentDistance = aPath.GetDistanceBetween(i, PathUtil.WrapIndex(i + 1, aPath.Count, aPath.Closed));
float nextDistance = aCurrDistance + segmentDistance;
float midDist = aCurrDistance + (segmentDistance) / 2;
// if we have no segment on the control vert, skip this midpoint
if (aPath.Count <= 1 || (i == aPath.Count - 1 && !aPath.Closed))
{
return(nextDistance);
}
// find the midpoint of this line
Vector2 midPoint = aPath.GetPointAtDistance(midDist);
Vector2 midNormal = aPath.GetNormalAtDistance(midDist);
Vector3 midWorldPoint = aTransform.MultiplyPoint(midPoint);
Vector3 midWorldNormal = aTransform.MultiplyVector(midNormal);
float midSize = eType == EventType.Layout || eType == EventType.Repaint ? HandleUtility.GetHandleSize(midWorldPoint) : 0;
// edge override button
int direction = aPath.GetData(i).directionOverride;
if (terrain.EdgeMode != Ferr2D_SectionMode.None && (i == activeSegment || aSelection.IsSegmentSelected(i, aPath.Count, aPath.Closed) || direction != (int)Ferr2DT_TerrainDirection.None))
{
if (Event.current.alt)
{
if (direction != (int)Ferr2DT_TerrainDirection.None && Handles.Button(midWorldPoint + midWorldNormal * midSize * sizeLargeHandle * 2, Quaternion.identity, midSize * sizeSmallHandle, midSize * sizeSmallHandle, Ferr2DT_Caps.CapDotReset))
{
aSelection.EachSegment(i, aPath.Count, aPath.Closed, id => {
SerializedProperty overrideProp = aPathProp.FindPropertyRelative("_data").GetArrayElementAtIndex(id).FindPropertyRelative("directionOverride");
overrideProp.intValue = (int)Ferr2DT_TerrainDirection.None;
});
}
}
else
{
if (Handles.Button(midWorldPoint + midWorldNormal * midSize * sizeLargeHandle * 2, Quaternion.identity, midSize * sizeSmallHandle, midSize * sizeSmallHandle, Ferr2DT_Caps.GetEdgeCap(direction)))
{
CycleEdgeOverride(aPathProp, i);
SerializedProperty cycledOverride = aPathProp.FindPropertyRelative("_data").GetArrayElementAtIndex(i).FindPropertyRelative("directionOverride");
aSelection.EachSegment(i, aPath.Count, aPath.Closed, id => {
SerializedProperty overrideProp = aPathProp.FindPropertyRelative("_data").GetArrayElementAtIndex(id).FindPropertyRelative("directionOverride");
overrideProp.intValue = cycledOverride.intValue;
});
}
}
}
// new point button
if (!Event.current.alt && i == activeSegment && Handles.Button(midWorldPoint, Quaternion.identity, midSize * sizeLargeHandle, midSize * sizeLargeHandle, Ferr2DT_Caps.CapDotPlus))
{
PathEditorUtil.AddPoint(aPathProp, midPoint, i + 1);
ProcessNewPoint(aPathProp, i + 1);
}
return(nextDistance);
}
private void ShowPathGUI(Transform aTransform, Ferr2DPath aPath, SerializedProperty aPathProp)
{
EventType eType = Event.current.type;
Matrix4x4 mat = aTransform.localToWorldMatrix;
// show the path and all its standard controls
PathEditorUtil.OnSceneGUI(aTransform.localToWorldMatrix, aTransform.worldToLocalMatrix, aPathProp, aPath, true, ProcessNewPoint, ProcessRemovePoint, Path2D.Plane.XY, Ferr2DT_Menu.PathSnapMode, Ferr2DT_Menu.SmartSnap?Ferr2DT_Menu.SmartSnapDist:0, KeyCode.C, visuals);
PathEditorUtil.Selection selection = PathEditorUtil.GetSelection(aPath);
// find which segments and points are active
FindActiveControls(aPath, mat, aTransform.worldToLocalMatrix);
if (Ferr2DT_SceneOverlay.segmentLockMode)
{
ShowTexSegmentSelect(aPath, aPathProp, mat);
}
else
{
float currDistance = 0;
for (int i = 0; i < aPath.Count; i++)
{
// show all the data at the control points
ShowPointControls(aPath, i, selection, mat, aPathProp);
// show midpoint controls
currDistance = ShowMidpointControls(aPath, i, selection, mat, aPathProp, currDistance);
}
}
// drag select has to happen last, otherwise it steals control ahead of the other handles
ShowDragSelect(aPath, mat);
}
private void ShowDragSelect(Ferr2DPath aPath, Matrix4x4 aTransform)
{
if (!Ferr2DT_Menu.DragSelect)
{
return;
}
// manually make a move widget, since we have to override Unity's widget
Vector3 center = Vector3.zero;
if (Tools.pivotMode == PivotMode.Center)
{
center = PathUtil.Average(aPath.GetPathRaw());
}
Vector3 newPos = Handles.DoPositionHandle(terrain.transform.position + center, Quaternion.identity) - center;
if (newPos != terrain.transform.position)
{
Undo.RecordObject(terrain.transform, "Move Terrain Object");
terrain.transform.position = newPos;
}
// execute the drag-select code
PathEditorUtil.DoDragSelect(aTransform, aPath, new Rect(0, EditorGUIUtility.singleLineHeight, Screen.width, Screen.height - EditorGUIUtility.singleLineHeight), visuals);
}