AnimCurvePathNode FindOrCreateChildPath( string relativePath, AnimCurvePathNode parent )
{
// First see if the path object already exists
foreach( AnimCurvePathNode child in parent.children )
{
if ( child.relativePath.CompareTo(relativePath) == 0 )
return child;
}
// Create the path since it didn't exist
var newPath = new AnimCurvePathNode();
newPath.relativePath = relativePath;
parent.children.Add( newPath );
return newPath;
}
/**
* Draw the tree (populated from the animation curves) rooted at the passed-in 'root' variable
*/
void DrawPathTree( AnimCurvePathNode root )
{
++EditorGUI.indentLevel;
// Do we allow folding out to display the curves?
GUI.enabled = (root.animClipCurves.Count > 0);
root.foldOut = EditorGUILayout.Foldout( GUI.enabled && root.foldOut, root.relativePath );
GUI.enabled = true;
// If we folded out to display all the curves...
if ( root.foldOut )
{
// Display all the curves contained in this node
foreach( AnimationClipCurveData curve in root.animClipCurves )
{
GUIContent pathContent = EditorGUIUtility.ObjectContent( null, curve.type );
pathContent.tooltip = pathContent.text;
pathContent.text = "";
// Begin a row
Rect area = EditorGUILayout.BeginHorizontal( GUILayout.ExpandWidth(true) );
// Stop indenting, since we're drawing horizontally
int oldIndentLevel = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
// Draw the little icon infront of the row
float indentPixels = 10.0f * oldIndentLevel;
GUILayout.Space( indentPixels + pathContent.image.width );
GUI.DrawTexture( new Rect(area.x + indentPixels, area.y, pathContent.image.width, pathContent.image.height), pathContent.image );
// Draw path, property name, then the curve preview
curve.path = EditorGUILayout.TextField( curve.path );
curve.propertyName = EditorGUILayout.TextField( curve.propertyName, GUILayout.MaxWidth(200.0f) );
curve.curve = EditorGUILayout.CurveField( curve.curve, Color.red, GetCurveRect(curve.curve), GUILayout.Width(200.0f) );
// Stop drawing horizontally
EditorGUILayout.EndHorizontal();
EditorGUI.indentLevel = oldIndentLevel;
}
}
// Now display all of the children of this path node
foreach( AnimCurvePathNode node in root.children )
{
DrawPathTree( node );
}
--EditorGUI.indentLevel;
}
