client: Allow specifying menu extension name via command line option -m

doc/todo.txt

@@ -5,9 +5,6 @@ Buildat TODO
 - Modules should be run in threads.
 - Implement module depencencies in test/testmodules/__loader
 - There should probably be a builtin/loader that __loader usually wants to call
-- __menu extension support (load when no server address is provided)
-	- Add a parameter to the client for choosing a boot-up extension, which
-	  implements a boot() function that will be called
 - Ask hmmmm/kwolekr for permission to use MT's noise under the Apache 2.0
   license and if allowed, include it in interfaces
 - Design how to manage scenes in a future-proof way
@@ -29,5 +26,3 @@ Buildat TODO
 - Voxel world with arbitrary chunk size and offset, with pluggable loader
   modules. Main world has worldspace_id=1. Try Polyvox.
 - Support Cereal's shared pointer serialization in Lua
-- An extension that provides configuration options that both the main menu and
-  games can open

src/client/app.cpp

@@ -253,14 +253,15 @@ struct CApp: public App, public magic::Application
 		}
 
 		if(g_client_config.boot_to_menu){
-			ss_ script =
+			ss_ extname = g_client_config.menu_extension_name;
-					"local m = require('buildat/extension/__menu')\n"
+			ss_ script = ss_()+
+					"local m = require('buildat/extension/"+extname+"')\n"
 					"if type(m) ~= 'table' then\n"
-					"    error('Failed to load extension __menu')\n"
+					"    error('Failed to load extension "+extname+"')\n"
 					"end\n"
 					"m.boot()\n";
 			if(!run_script_no_sandbox(script)){
-				throw AppStartupError("Failed to load and run extension __menu");
+				throw AppStartupError(ss_()+"Failed to load and run extension "+extname);
 			}
 		}
 	}

src/client/config.h

@@ -12,6 +12,7 @@ namespace client
 		ss_ cache_path = "../cache";
 		ss_ urho3d_path = "../../Urho3D";
 		bool boot_to_menu = false;
+		ss_ menu_extension_name = "__menu";
 
 		bool check_paths();
 	};

src/client/main.cpp

@@ -50,7 +50,7 @@ int main(int argc, char *argv[])
 
 	client::Config &config = g_client_config;
 
-	const char opts[100] = "hs:P:C:U:l:";
+	const char opts[100] = "hs:P:C:U:l:m:";
 	const char usagefmt[1000] =
 			"Usage: %s [OPTION]...\n"
 			"  -h                   Show this help\n"
@@ -59,6 +59,7 @@ int main(int argc, char *argv[])
 			"  -C [cache_path]      Specify cache/ path\n"
 			"  -U [urho3d_path]     Specify Urho3D path\n"
 			"  -l [integer]         Set maximum log level (0...5)\n"
+			"  -m [name]            Choose menu extension name\n"
 	;
 
 	int c;
@@ -88,6 +89,10 @@ int main(int argc, char *argv[])
 		case 'l':
 			log_set_max_level(atoi(c55_optarg));
 			break;
+		case 'm':
+			fprintf(stderr, "INFO: config.menu_extension_name: %s\n", c55_optarg);
+			config.menu_extension_name = c55_optarg;
+			break;
 		default:
 			fprintf(stderr, "ERROR: Invalid command-line argument\n");
 			fprintf(stderr, usagefmt, argv[0]);