From 87caeb6919f5b34ef39193b984e78ef11509d8b9 Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Thu, 24 Apr 2025 18:00:19 +0200
Subject: [PATCH] Add: [NewGRF] Provide random bits in var10 of house callback
 1C 'construction stage changed'.

---
 src/newgrf_house.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/newgrf_house.cpp b/src/newgrf_house.cpp
index 0afa5ddd74..52cb437590 100644
--- a/src/newgrf_house.cpp
+++ b/src/newgrf_house.cpp
@@ -542,7 +542,7 @@ void TriggerHouseAnimation_ConstructionStageChanged(TileIndex tile, bool first_c
 	const HouseSpec *hs = HouseSpec::Get(GetHouseType(tile));
 
 	if (hs->callback_mask.Test(HouseCallbackMask::AnimationTriggerConstructionStageChanged)) {
-		HouseAnimationBase::ChangeAnimationFrame(CBID_HOUSE_ANIMATION_TRIGGER_CONSTRUCTION_STAGE_CHANGED, hs, Town::GetByTile(tile), tile, 0, first_call ? 1 : 0);
+		HouseAnimationBase::ChangeAnimationFrame(CBID_HOUSE_ANIMATION_TRIGGER_CONSTRUCTION_STAGE_CHANGED, hs, Town::GetByTile(tile), tile, Random(), first_call ? 1 : 0);
 	}
 }