Improve performance of string lookup in AddGRFString

2022-05-30 23:51:44 +01:00
parent 9a131a90ca
commit d71e38446e
3 changed files with 35 additions and 12 deletions
--- a/src/newgrf.h
+++ b/src/newgrf.h
@@ -348,6 +348,8 @@ struct GRFFile : ZeroedMemoryAllocator {

 	byte ctrl_flags;                         ///< General GRF control flags

+	btree::btree_map<uint16, uint> string_map; ///< Map of local GRF string ID to string ID
+
 	GRFFile(const struct GRFConfig *config);
 	~GRFFile();