From b0e57c0ca966ca5bd03f2ffe1d7945e8d332b879 Mon Sep 17 00:00:00 2001
From: Ted John <ted@brambles.org>
Date: Sat, 2 Jan 2021 10:27:50 +0000
Subject: [PATCH] Do not allocate vector each time format string legacy is
 called

---
 src/openrct2/localisation/Formatting.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/openrct2/localisation/Formatting.cpp b/src/openrct2/localisation/Formatting.cpp
index aedeac49e5..03264639eb 100644
--- a/src/openrct2/localisation/Formatting.cpp
+++ b/src/openrct2/localisation/Formatting.cpp
@@ -808,7 +808,8 @@ namespace OpenRCT2
 
     size_t FormatStringLegacy(char* buffer, size_t bufferLen, rct_string_id id, const void* args)
     {
-        std::vector<FormatArg_t> anyArgs;
+        thread_local std::vector<FormatArg_t> anyArgs;
+        anyArgs.clear();
         auto fmt = GetFmtStringById(id);
         BuildAnyArgListFromLegacyArgBuffer(fmt, anyArgs, args);
         return FormatStringAny(buffer, bufferLen, fmt, anyArgs);