terom@21: 
terom@21: #include "Engine.hh"
terom@21: 
terom@21: #include <stdexcept>
terom@21: #include <cassert>
terom@21: 
terom@21: #include <ClanLib/core.h>
terom@21: #include <ClanLib/application.h>
terom@21: 
terom@21: class ArgumentError : public std::exception {
terom@21: 	private:
terom@21: 		const char *message;
terom@21: 	
terom@21: 	public:
terom@21: 		ArgumentError (const std::string &message) : message(message.c_str()) { }
terom@21: 
terom@21: 		virtual const char* what() const throw() {
terom@21: 			return message;
terom@21: 		}
terom@21: };
terom@21: 
terom@21: class Main : public CL_ClanApplication {
terom@21: 	private:
terom@21: 		// arguments
terom@21: 		CL_CommandLine args;
terom@21: 
terom@21: 		std::string arg_port;
terom@21: 		bool arg_dedicated;
terom@21: 		std::string arg_connect;
terom@21: 
terom@21: 		void parse_args (int argc, char **argv) {
terom@21: 			// set up the options
terom@21: 			args.add_option('p', "port", "PORT", "set network port used", true);
terom@21: 			args.add_option('D', "dedicated", "", "act as a network server", true);
terom@21: 			args.add_option('c', "connect", "SERVERHOST", "act as a network client", true);
terom@21: 
terom@21: 			// set defaults
terom@21: 			arg_port = NETWORK_PORT_STR;
terom@21: 			arg_dedicated = false;
terom@21: 			arg_connect = "";
terom@21: 			
terom@21: 			try {
terom@21: 				// parse args
terom@21: 				args.parse_args(argc, argv);
terom@21: 			} catch (CL_Error &e) {
terom@21: 				throw ArgumentError(e.message);
terom@21: 			}
terom@21: 
terom@21: 			while (args.next()) {
terom@21: 				switch (args.get_key()) {
terom@21: 					case 'p':
terom@21: 						arg_port = args.get_argument();
terom@21: 						break;
terom@21: 
terom@21: 					case 'D':
terom@21: 						arg_dedicated = true;
terom@21: 						break;
terom@21: 
terom@21: 					case 'c':
terom@21: 						arg_connect = args.get_argument();
terom@21: 						break;
terom@21: 
terom@21: 					case CL_CommandLine::REST_ARG:
terom@21: 						throw ArgumentError(args.get_argument());
terom@21: 
terom@21: 					default:
terom@21: 						throw ArgumentError(std::string(1, (char) args.get_key()));
terom@21: 
terom@21: 				}
terom@21: 			}
terom@21: 			
terom@21: 			// check for valid combinations of arugments
terom@21: 			if (arg_dedicated && !arg_connect.empty())
terom@21: 				throw ArgumentError("-D and -c are mutually exclusive");
terom@21: 			
terom@21: 			if (!arg_dedicated && arg_connect.empty())
terom@21: 				throw ArgumentError("nothing to do");
terom@21: 		}
terom@21: 
terom@21: 	public:
terom@21: 		virtual int main (int argc, char **argv) {
terom@21: 			// initialize core
terom@21: 			CL_SetupCore setup_core;
terom@21: 			
terom@21: 			try {
terom@21: 				// parse arugments
terom@21: 				parse_args(argc, argv);
terom@21: 				
terom@21: 				// run engine based on args
terom@21: 				if (arg_dedicated) {
terom@21: 					Engine::runNetworkServer(arg_port);
terom@21: 
terom@21: 				} else if (!arg_connect.empty()) {
terom@21: 					Engine::runNetworkClient(arg_connect, arg_port);
terom@21: 				
terom@21: 				} else
terom@21: 					assert(false);
terom@21: 				
terom@21: 				// succesful return
terom@21: 				return 0;
terom@21: 			
terom@21: 			} catch (ArgumentError &e) {
terom@21: 				std::cerr << e.what() << std::endl;
terom@21: 				args.print_help();
terom@21: 
terom@21: 				// XXX: handle --help
terom@21: 
terom@21: 			} catch (std::exception &e) {
terom@21: 				std::cerr << e.what() << std::endl;
terom@21: 
terom@21: 				return 1;
terom@21: 			}
terom@21: 		}
terom@21: } app;
terom@21: