Merge pull request #1856 from Dobby233Liu/Dobby233Liu-UTWithJSON-load…

…er-speedup-1

Use buffer for reading JSON in UndertaleWithJSONs

UndertaleModTool/Scripts/Community Scripts/UndertaleWithJSONs.csx

@@ -36,7 +36,6 @@ Directory.CreateDirectory(langFolder);
 ScriptMessage("JSONifies Undertale versions 1.05+");
 ScriptMessage(@"Switch languages using F11.
 Reload text for curent language from JSON on command using F12.
-Note: reloading from JSON may take about 10 seconds.
 ");
 //this is one of the rare cases when it's better without "ProgressUpdater()"
 await Task.Run(() => {
@@ -121,11 +120,9 @@ ossafe_ini_close()
 
     ImportGMLString("gml_Script_scr_84_load_map_json", @"
 var filename = argument0
-var file = file_text_open_read(filename)
-var json = """"
-while (file_text_eof(file) == 0)
-    json += file_text_readln(file)
-file_text_close(file)
+var file_buffer = buffer_load(filename)
+var json = buffer_read(file_buffer, buffer_string)
+buffer_delete(file_buffer)
 return json_decode(json);
 ");