refactor: simplified using building::get_info()

Author: dalerank

src/building/building.h

@@ -510,7 +510,7 @@ class building {
     void industry_add_workers(int fid);
     void industry_remove_worker(int fid);
 
-    static const metainfo &get_info(pcstr type);
+    static const metainfo &get_info(const xstring type);
 
     template<typename T>
     building_impl *acquire_impl() {
@@ -530,7 +530,7 @@ class building_impl {
         bool fire_proof;
         bool damage_proof;
         bool is_draggable;
-        bstring64 meta_id;
+        xstring meta_id;
         metainfo meta;
         e_resource input_resource;
         e_resource input_resource_second;

src/building/building_info.cpp

@@ -5,7 +5,7 @@
 
 #include "js/js_game.h"
 
-std::map<std::string, metainfo> g_building_metainfo;
+std::map<xstring, metainfo> g_building_metainfo;
 
 ANK_REGISTER_CONFIG_ITERATOR(config_load_building_info);
 void config_load_building_info() {
@@ -17,6 +17,6 @@ void config_load_building_info() {
     });
 }
 
-const metainfo &building::get_info(pcstr type) {
+const metainfo &building::get_info(const xstring type) {
     return g_building_metainfo[type];
 }