From a57cfc7d408b94c5a11786da23be34c1d087b18b Mon Sep 17 00:00:00 2001
From: Andre Mohren <andremohren@gmail.com>
Date: Thu, 26 Jul 2018 01:23:18 +0200
Subject: [PATCH] Fixed ProductionItem costs calculation.

---
 OpenRA.Mods.Common/Traits/Player/ProductionQueue.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/OpenRA.Mods.Common/Traits/Player/ProductionQueue.cs b/OpenRA.Mods.Common/Traits/Player/ProductionQueue.cs
index 80a98fef4c..e8c8a9f908 100644
--- a/OpenRA.Mods.Common/Traits/Player/ProductionQueue.cs
+++ b/OpenRA.Mods.Common/Traits/Player/ProductionQueue.cs
@@ -582,7 +582,8 @@ namespace OpenRA.Mods.Common.Traits
 					return;
 			}
 
-			var costThisFrame = RemainingCost / RemainingTime;
+			var expectedRemainingCost = RemainingTime == 1 ? 0 : TotalCost * RemainingTime / Math.Max(1, TotalTime);
+			var costThisFrame = RemainingCost - expectedRemainingCost;
 			if (costThisFrame != 0 && !pr.TakeCash(costThisFrame, true))
 				return;