EntityTool.c

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[WorkbenchPluginAttribute("Change absolute Y to relative", "Modifies entity Y position from absolute value to relative.", "", "", {"WorldEditor"},"",0xf548)]
class EntityRelativePlugin: WorkbenchPlugin
{
    override void Run()
    {
        WorldEditor we = Workbench.GetModule(WorldEditor);
        if (!we)
        {
            Print("World editor module is not available.", LogLevel.ERROR);
            return;
        }
 
        WorldEditorAPI api = we.GetApi();
        int selectedCount = api.GetSelectedEntitiesCount();
        if (selectedCount == 0)
        {
            Print("You need to select at least one entity.", LogLevel.ERROR);
            return;
        }
 
        WBProgressDialog progress = new WBProgressDialog("Processing entities", we);
        
        api.BeginEntityAction("Changing entity Y from absolute to relative");
 
        Print("EntityRelativePlugin: processing " + selectedCount + " entities...");
        for (int i = 0; i < selectedCount; i++)
        {
            progress.SetProgress(i / selectedCount);
            
            IEntitySource src = api.GetSelectedEntity(i);
            IEntity e = api.SourceToEntity(src);
            
            vector pos;
            src.Get("coords", pos);
            
            float y;
            if (api.TryGetTerrainSurfaceY(pos[0], pos[2], y))
            {
                pos[1] = pos[1] - y;
                api.SetVariableValue(src, null, "coords", pos.ToString(false));
            }
            else
            {
                Print("Entity " + e.GetID() + " can't relatively positioned to the terrain.", LogLevel.WARNING);
            }
        }
        
        api.EndEntityAction();
    }
 
    override void Configure() { }
}