Add command line switch for ascii art

src/main.cpp

@@ -264,6 +264,7 @@ struct cli_opts {
     dump_mode dmode = dump_mode::TSV;
     std::vector<std::string> opts;
     std::string world; /** if set try to load first save in this world on startup */
+    bool disable_ascii_art = false;
 };
 
 cli_opts parse_commandline( int argc, const char **argv )
@@ -273,7 +274,8 @@ cli_opts parse_commandline( int argc, const char **argv )
     const char *section_default = nullptr;
     const char *section_map_sharing = "Map sharing";
     const char *section_user_directory = "User directories";
-    const std::array<arg_handler, 12> first_pass_arguments = {{
+    const char *section_accessibility = "Accessibility";
+    const std::array<arg_handler, 13> first_pass_arguments = {{
             {
                 "--seed", "<string of letters and or numbers>",
                 "Sets the random number generator's seed value",
@@ -423,6 +425,16 @@ cli_opts parse_commandline( int argc, const char **argv )
                     PATH_INFO::set_standard_filenames();
                     return 1;
                 }
+            },
+            {
+                "--disable-ascii-art", nullptr,
+                "Disable aesthetic ascii art in menus and descriptions.",
+                section_accessibility,
+                0,
+                [&result]( int, const char ** ) -> int {
+                    result.disable_ascii_art = true;
+                    return 0;
+                }
             }
         }
     };
@@ -705,6 +717,12 @@ int main( int argc, const char *argv[] )
         exit_handler( -999 );
     }
 
+    // Override existing settings from cli  options
+    if( cli.disable_ascii_art ) {
+        get_options().get_option( "ENABLE_ASCII_ART" ).setValue( false );
+        get_options().get_option( "ENABLE_ASCII_TITLE" ).setValue( false );
+    }
+
     // Now we do the actual game.
 
     // I have no clue what this comment is on about