Set Ruby's ARGV based on the command line

binding/binding-mri.cpp

@@ -1077,6 +1077,13 @@ static void mriBindingExecute() {
 #endif
 #endif
     
+    VALUE rbArgv = rb_get_argv();
+    for (const auto &str : conf.launchArgs)
+        rb_ary_push(rbArgv, rb_utf8_str_new_cstr(str.c_str()));
+    
+    // Duplicates get pushed for some reason
+    rb_funcall(rbArgv, rb_intern("uniq!"), 0);
+    
     VALUE lpaths = rb_gv_get(":");
     if (!conf.rubyLoadpaths.empty()) {
         /* Setup custom load paths */

mkxp.json

@@ -324,4 +324,16 @@
     //
     // "execName": "Game"
     
+    // You can define alternate terminology for the different
+    // inputs recognized by RPG Maker. A, B, C, X, Y, Z, L, and R
+    // can all be set using this dictionary, and will be displayed
+    // on the F1 menu. This is only a cosmetic effect, so it will
+    // have no effect on the game's scripts.
+    //
+    // "bindingNames": {
+    //  "c": "Confirm",
+    //  "b": "Cancel",
+    //  "x": ...
+    // }
+
 }

src/config.cpp

@@ -236,6 +236,11 @@ try { exp } catch (...) {}
             editor.debug = true;
         else if (!strcmp(argv[1], "btest"))
             editor.battleTest = true;
+        
+        for (int i = 1; i < argc; i++) {
+            const char *arg = argv[i];
+            launchArgs.push_back(argv[i]);
+        }
     }
     
     if (mkxp_fs::fileExists(CONF_FILE)) {

src/config.h

@@ -78,6 +78,8 @@ struct Config {
     bool useScriptNames;
     
     std::string customScript;
+    
+    std::vector<std::string> launchArgs;
     std::vector<std::string> preloadScripts;
     std::vector<std::string> rtps;