Fixed SceneGroup onInspect call to call up through parent

Adds utility methods and SimGroup onInspect injection to add a select button in inspector to select objects under simgroup

Engine/source/T3D/SceneGroup.cpp

@@ -116,6 +116,8 @@ void SceneGroup::inspectPostApply()
 
 void SceneGroup::onInspect(GuiInspector* inspector)
 {
+   Parent::onInspect(inspector);
+   
    //Put the SubScene group before everything that'd be SubScene-effecting, for orginazational purposes
    GuiInspectorGroup* sceneGroupGrp = inspector->findExistentGroup(StringTable->insert("SceneGroup"));
    if (!sceneGroupGrp)

Templates/BaseGame/game/tools/worldEditor/scripts/editors/worldEditor.ed.tscript

@@ -554,3 +554,77 @@ function simGroup::onInspectPostApply(%this)
     %this.callOnChildren("setHidden",%this.hidden);
     %this.callOnChildren("setLocked",%this.locked);    
 }
+
+function simGroup::SelectFiteredObjects(%this, %min, %max)
+{
+    EWorldEditor.clearSelection();
+    %this.callOnChildren("filteredSelect", %min, %max );
+}
+
+function SceneObject::filteredSelect(%this, %min, %max)
+{
+    %box = %this.getWorldBox();
+    %xlength = mAbs(getWord(%box,0) - getWord(%box,3));
+    %ylength = mAbs(getWord(%box,1) - getWord(%box,4));
+    %Zlength = mAbs(getWord(%box,2) - getWord(%box,5));
+    %diagSq = mPow(%xlength,2)+mPow(%ylength,2)+mPow(%Zlength,2);
+    if (%diagSq > mPow(%min,2) && %diagSq < mPow(%max,2))
+    {
+        EWorldEditor.selectObject(%this);
+    }
+}
+
+function simGroup::onInspect(%obj, %inspector)
+{
+   //Find the 'Editing' group in the inspector
+   %group = %inspector.findExistentGroup("Editing");
+   if(isObject(%group))
+   {
+      //We add a field of the type 'SimGroupSelectionButton'. This isn't a 'real' type, so when the inspector group tries to add it
+      //it will route down through GuiInspectorGroup(the namespace of %group) and call onConstructField in an attemp to see if there's any
+      //script defined functions that can build a field of that type.
+      //We happen to define the required 'build @ <fieldTypeName> @ Field()' function below, allowing us to build out the custom field type
+      %group.addField("minSize", "F32", "min diagonal size of objects");
+      %group.addField("maxSize", "F32", "max diagonal size of objects");
+      %group.addField("select", "SimGroupSelectionButton", "Select filtered objects");
+    }
+}
+
+function GuiInspectorGroup::buildSimGroupSelectionButtonField(%this, %fieldName, %fieldLabel, %fieldDesc,
+                                 %fieldDefaultVal, %fieldDataVals, %callback, %ownerObj)
+{
+   %container = new GuiControl() {
+      canSaveDynamicFields = "0";
+      Profile = "EditorContainerProfile";
+      HorizSizing = "right";
+      VertSizing = "bottom";
+      Position = "0 0";
+      Extent = "300 18";
+      MinExtent = "8 2";
+      canSave = "0";
+      Visible = "1";
+      hovertime = "100";
+      tooltip = "";// %tooltip;
+      tooltipProfile = "EditorToolTipProfile";
+      
+      new GuiButtonCtrl() {
+         canSaveDynamicFields = "0";
+         Profile = "ToolsGuiButtonProfile";
+         HorizSizing = "right";
+         VertSizing = "bottom";
+         Position = "16 3";
+         Extent = "300 18";
+         MinExtent = "8 2";
+         canSave = "0";
+         Visible = "1";
+         hovertime = "100";
+         tooltip = ""; //%tooltip;
+         tooltipProfile = "EditorToolTipProfile";
+         text = %fieldName;
+         maxLength = "1024";
+         command = %ownerObj @ ".SelectFiteredObjects("@ %ownerObj.minSize @","@ %ownerObj.maxSize @");";
+      };
+   };
+
+   %this-->stack.add(%container);
+}