From eb2ff98883f93e4ac13d623fc1703bcf961914b7 Mon Sep 17 00:00:00 2001
From: Atrik <noreje1607@frisbook.com>
Date: Sun, 12 Apr 2026 07:30:00 +0200
Subject: [PATCH] Display aura range overlay during building preview

Fixes #8868
---
 .../data/mods/public/simulation/components/Auras.js | 13 ++++++++++++-
 .../simulation/templates/special/filter/preview.xml |  1 +
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/binaries/data/mods/public/simulation/components/Auras.js b/binaries/data/mods/public/simulation/components/Auras.js
index f3bac47091..9c0501acec 100644
--- a/binaries/data/mods/public/simulation/components/Auras.js
+++ b/binaries/data/mods/public/simulation/components/Auras.js
@@ -84,9 +84,14 @@ Auras.prototype.GetRangeOverlays = function()
 {
 	const rangeOverlays = [];
 
+	// Check if this is a preview entity
+	const cmpVisibility = Engine.QueryInterface(this.entity, IID_Visibility);
+	const isPreview = cmpVisibility && cmpVisibility.GetPreview && cmpVisibility.GetPreview();
+
 	for (const name of this.GetAuraNames())
 	{
-		if (!this.IsRangeAura(name) || !this[name].isApplied)
+		// For preview entities, show auras even if isApplied is false
+		if (!this.IsRangeAura(name) || (!isPreview && !this[name].isApplied))
 			continue;
 
 		const rangeOverlay = AuraTemplates.Get(name).rangeOverlay;
@@ -141,6 +146,12 @@ Auras.prototype.CalculateAffectedPlayers = function(name)
 
 Auras.prototype.CanApply = function(name)
 {
+	// Check if this is a preview entity via Visibility component
+	// If it is, then we don't apply the aura
+	const cmpVisibility = Engine.QueryInterface(this.entity, IID_Visibility);
+	if (cmpVisibility && cmpVisibility.GetPreview && cmpVisibility.GetPreview())
+		return false;
+
 	if (!AuraTemplates.Get(name).requiredTechnology)
 		return true;
 
diff --git a/binaries/data/mods/public/simulation/templates/special/filter/preview.xml b/binaries/data/mods/public/simulation/templates/special/filter/preview.xml
index c5b2fc3f0f..d8c57814ec 100644
--- a/binaries/data/mods/public/simulation/templates/special/filter/preview.xml
+++ b/binaries/data/mods/public/simulation/templates/special/filter/preview.xml
@@ -5,6 +5,7 @@
        to this list should be carefully considered -->
   <!-- Attack is needed for the Actor Viewer and attack range overlay -->
   <Attack merge=""/>
+  <Auras merge=""/>
   <BuildRestrictions merge=""/>
   <Decay merge=""/>
   <Footprint merge=""/>