From ce18309a7867b2587e7561109c58dac980c2dec6 Mon Sep 17 00:00:00 2001
From: Joonas Rikkonen <poe.regalis@gmail.com>
Date: Thu, 26 Jul 2018 16:42:11 +0300
Subject: [PATCH] Fixed crashing when attempting to increase buy quantity in
 campaign UI when money is at zero, fixed capping the number input to the
 value the player can afford (the previous calculation only clamped it above
 zero). Closes #531

---
 Barotrauma/BarotraumaClient/Source/Screens/CampaignUI.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Barotrauma/BarotraumaClient/Source/Screens/CampaignUI.cs b/Barotrauma/BarotraumaClient/Source/Screens/CampaignUI.cs
index 6ac7b4783..99a3b3a45 100644
--- a/Barotrauma/BarotraumaClient/Source/Screens/CampaignUI.cs
+++ b/Barotrauma/BarotraumaClient/Source/Screens/CampaignUI.cs
@@ -270,7 +270,8 @@ namespace Barotrauma
                     {
                         int quantity = numberInput.IntValue - purchasedItem.quantity;
                         //Cap the numberbox based on the amount we can afford.
-                        quantity = Math.Max((quantity * (purchasedItem.itemPrefab.Price / Campaign.Money)), quantity);
+                        quantity = campaign.Money <= 0 ? 
+                            0 : Math.Min((int)(Campaign.Money / (float)purchasedItem.itemPrefab.Price), quantity);
                         for (int i = 0; i < quantity; i++)
                         {
                             BuyItem(numberInput, purchasedItem);