From 3e5a87a52cc8355a2a5c2831c60643bf30d41a3a Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Mon, 11 Jan 2010 20:21:56 +0000
Subject: (svn r18783) -Codechange: make CheckCompanyHasMoney set an error on
 the CommandCost it tests when you don't have enough money instead of setting
 a global variable.

---
 src/company_cmd.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/company_cmd.cpp')

diff --git a/src/company_cmd.cpp b/src/company_cmd.cpp
index be4912ff2..2150b43ab 100644
--- a/src/company_cmd.cpp
+++ b/src/company_cmd.cpp
@@ -156,13 +156,13 @@ void InvalidateCompanyWindows(const Company *company)
 	SetWindowDirty(WC_FINANCES, cid);
 }
 
-bool CheckCompanyHasMoney(CommandCost cost)
+bool CheckCompanyHasMoney(CommandCost &cost)
 {
 	if (cost.GetCost() > 0) {
 		const Company *c = Company::GetIfValid(_current_company);
 		if (c != NULL && cost.GetCost() > c->money) {
 			SetDParam(0, cost.GetCost());
-			_error_message = STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY;
+			cost.MakeError(STR_ERROR_NOT_ENOUGH_CASH_REQUIRES_CURRENCY);
 			return false;
 		}
 	}
-- 
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