terom@185: 
terom@185: #include "Engine.hh"
terom@185: #include "Error.hh"
terom@185: 
terom@185: #include <stdexcept>
terom@185: #include <cassert>
terom@185: 
terom@185: #include <ClanLib/core.h>
terom@185: #include <ClanLib/application.h>
terom@185: 
terom@185: class ArgumentError : public Error {
terom@185:     public:
terom@185:         ArgumentError (const std::string &message) : Error(message) { }
terom@185: };
terom@185: 
terom@185: class Main : public CL_ClanApplication {
terom@185:     private:
terom@185:         // arguments
terom@185:         CL_CommandLine args;
terom@185:         
terom@185:         bool arg_graphics;
terom@185:         std::string arg_port;
terom@185:         bool arg_server;
terom@185:         std::string arg_connect;
terom@185: 
terom@185:         void parse_args (int argc, char **argv) {
terom@185:             // set up the options
terom@185:             args.add_option('p', "port", "PORT", "set network port used", true);
terom@185:             args.add_option('s', "server", "", "act as a network server", true);
terom@185:             args.add_option('c', "client", "SERVERHOST", "act as a network client", true);
terom@185:             args.add_option('g', "graphics", "", "run graphics/local input. Implied with --connect", true);
terom@185: 
terom@185:             // set defaults
terom@185:             arg_graphics = false;
terom@185:             arg_port = NETWORK_PORT_STR;
terom@185:             arg_server = false;
terom@185:             arg_connect = "";
terom@267: 
terom@267:             // extra state
terom@267:             bool graphics_default = true;
terom@185:             
terom@185:             try {
terom@185:                 // parse args
terom@185:                 args.parse_args(argc, argv);
terom@185: 
terom@185:             } catch (CL_Error &e) {
terom@185:                 throw ArgumentError(e.message);
terom@185:             }
terom@185: 
terom@185:             while (args.next()) {
terom@185:                 switch (args.get_key()) {
terom@185:                     case 'p':
terom@185:                         arg_port = args.get_argument();
terom@185:                         break;
terom@185: 
terom@185:                     case 's':
terom@185:                         arg_server = true;
terom@185:                         break;
terom@185: 
terom@185:                     case 'c':
terom@185:                         arg_connect = args.get_argument();
terom@185:                         break;
terom@185: 
terom@185:                     case 'g':
terom@185:                         arg_graphics = true;
terom@185:                         break;
terom@185: 
terom@185:                     case CL_CommandLine::REST_ARG:
terom@185:                         throw ArgumentError(args.get_argument());
terom@185: 
terom@185:                     default:
terom@185:                         throw ArgumentError(std::string(1, (char) args.get_key()));
terom@185: 
terom@185:                 }
terom@185:             }
terom@267: 
terom@185:             // check for invalid combinations of arugments
terom@185:             if (arg_server and !arg_connect.empty())
terom@185:                 throw ArgumentError("cannot be both server and client");
terom@267: 
terom@267:             // enable graphics by default unless server
terom@267:             if (!arg_server && graphics_default)
terom@267:                 arg_graphics = true;
terom@185:         }
terom@185: 
terom@185:     public:
terom@185:         virtual int main (int argc, char **argv) {
terom@185:             // initialize the ClanLib components that we use
terom@185:             CL_SetupCore setup_core;
terom@185:             CL_SetupNetwork setup_network;
terom@185:             CL_SetupDisplay setup_disp;
terom@185:             CL_SetupGL setup_gl;
terom@185: 
terom@185:             try {
terom@185:                 // parse arugments
terom@185:                 parse_args(argc, argv);
terom@185: 
terom@185:                 // our engine
terom@185:                 Engine engine;
terom@185:                 
terom@185:                 // setup graphics
terom@185:                 if (arg_graphics)
terom@185:                     engine.setupGraphics();
terom@185: 
terom@185:                 // setup either network server, client or singleplayer
terom@185:                 if (arg_server) {
terom@185:                     engine.setupNetworkServer(arg_port);
terom@185: 
terom@185:                 } else if (!arg_connect.empty()) {
terom@185:                     engine.setupNetworkClient(arg_connect, arg_port);
terom@185:                 
terom@185:                 } else {
terom@185:                     engine.setupSinglePlayer();
terom@185:                 }
terom@185: 
terom@185:                 // run the main loop
terom@185:                 engine.run();
terom@185:                 
terom@185:                 // succesful return
terom@185:                 return 0;
terom@185:             
terom@185:             } catch (ArgumentError &e) {
terom@185:                 std::cerr << e.what() << std::endl;
terom@185:                 args.print_help();
terom@185: 
terom@185:                 // XXX: handle --help
terom@185:                 return 1;
terom@185:             } catch (CL_Error &e) {
terom@185:                 std::cerr << "main: CL_Error:" << e.message << std::endl;
terom@185: 
terom@185:                 return 1;
terom@185: 
terom@185:             } catch (std::exception &e) {
terom@185:                 std::cerr << "FATAL [uncaught_exception] " << e.what() << std::endl;
terom@185: 
terom@185:                 return 1;
terom@185:             }
terom@185:         }
terom@185: } app;
terom@185: