terom@185: 
terom@358: #include "Application.hh"
terom@185: 
terom@411: #include <ClanLib/gl.h>
terom@185: #include <stdexcept>
terom@409: #include <sstream>
terom@389: #include <cstdio>
terom@185: #include <cassert>
terom@185: 
terom@389: enum ArgumentCodes {
terom@389:     ARG_HELP        = 'h',
terom@389:     ARG_PORT        = 'p',
terom@389:     ARG_SERVER      = 's',
terom@389:     ARG_CLIENT      = 'c',
terom@389:     ARG_GRAPHICS    = 'g',
terom@389:     ARG_FULLSCREEN  = 'F',
terom@389:     ARG_RESOLUTION  = 'R',
terom@389: 
terom@409:     ARG_LIST_MODES      = 0xff01,
terom@409:     ARG_VERSION         = 0xff02,
terom@409:     ARG_TERRAIN_SEED    = 0xff03,
terom@409:     ARG_TERRAIN_SIZE    = 0xff04,
terom@409: 
terom@389: };
terom@389: 
terom@409:         
terom@409: Main::Main (void) :
terom@409:     graphics_enabled(false),
terom@409:     net_port(NETWORK_PORT_STR),
terom@409:     net_server(false),
terom@409:     net_connect("")
terom@409: {
terom@409: 
terom@409: }
terom@185: 
terom@358: /**
terom@358:  * Set the arg_* members
terom@358:  */
terom@389: bool Main::parse_args (int argc, char **argv) {
terom@358:     // set up the options
terom@389:     args.add_option(ARG_HELP, "help", "",
terom@389:             "display argument help and exit");
terom@389: 
terom@389:     args.add_option(ARG_PORT, "port", "PORT",
terom@389:             "set network port used");
terom@389: 
terom@389:     args.add_option(ARG_SERVER, "server", "",
terom@389:             "act as a network server");
terom@389: 
terom@389:     args.add_option(ARG_CLIENT, "client", "SERVERHOST",
terom@389:             "act as a network client");
terom@389: 
terom@389:     args.add_option(ARG_GRAPHICS, "graphics", "",        
terom@389:             "run graphics/local input. Implied with --connect");
terom@389: 
terom@389:     args.add_option(ARG_FULLSCREEN, "fullscreen", "",
terom@389:             "run graphics in fullscreen mode");
terom@389: 
terom@389:     args.add_option(ARG_RESOLUTION, "resolution", "WIDTHxHEIGHT",
terom@389:             "set graphics resolution");
terom@389:     
terom@389:     args.add_option(ARG_LIST_MODES, "list-modes", "",
terom@389:             "output a list of available display modes and exit");
terom@185: 
terom@409:     args.add_option(ARG_TERRAIN_SEED, "terrain-seed", "SEED",
terom@409:             "set seed for terrain random generator");
terom@409: 
terom@409:     args.add_option(ARG_TERRAIN_SIZE, "terrain-size", "WIDTHxHEIGHT",
terom@409:             "set terrain size for random generator");
terom@409: 
terom@397:     args.add_option(ARG_VERSION, "version", "",
terom@397:             "output application version and exit");
terom@397: 
terom@358:     // extra state
terom@392:     bool resolution_default = true;
terom@358:     
terom@358:     try {
terom@358:         // parse args
terom@358:         args.parse_args(argc, argv);
terom@267: 
terom@358:     } catch (CL_Error &e) {
terom@358:         throw ArgumentError(e.message);
terom@358:     }
terom@267: 
terom@358:     while (args.next()) {
terom@358:         switch (args.get_key()) {
terom@389:             case ARG_HELP:
terom@389:                 args.print_help();
terom@389:                 return false;
terom@389: 
terom@389:             case ARG_PORT:
terom@409:                 net_port = args.get_argument();
terom@358:                 break;
terom@358: 
terom@389:             case ARG_SERVER:
terom@409:                 net_server = true;
terom@358:                 break;
terom@358: 
terom@389:             case ARG_CLIENT:
terom@409:                 net_connect = args.get_argument();
terom@358:                 break;
terom@358: 
terom@389:             case ARG_GRAPHICS:
terom@409:                 graphics_enabled = true;
terom@358:                 break;
terom@358: 
terom@389:             case ARG_FULLSCREEN:
terom@411:                 display.fullscreen = true;
terom@392:                 
terom@392:                 // choose best resolution unless explicitly set
terom@392:                 if (resolution_default) {
terom@411:                     const CL_DisplayMode best_mode = graphics::Display::getBestMode();
terom@392:                     const CL_Size best_resolution = best_mode.get_resolution();
terom@392: 
terom@411:                     display.resolution = PixelDimensions(best_resolution.width, best_resolution.height);
terom@392:                 }
terom@392: 
terom@389:                 break;
terom@389: 
terom@389:             case ARG_RESOLUTION:
terom@411:                 display.resolution = parse_arg_dimensions(args.get_argument(), "--resolution");
terom@392:                 resolution_default = false;
terom@389:                 break;
terom@389: 
terom@389:             case ARG_LIST_MODES:
terom@389:                 dump_display_modes();
terom@389:                 return false;
terom@389: 
terom@397:             case ARG_VERSION:
terom@397:                 dump_version();
terom@397:                 return false;
terom@397: 
terom@409:             case ARG_TERRAIN_SEED:
terom@409:                 terrain.random_seed = parse_arg_int(args.get_argument(), "--terrain-seed");
terom@409:                 break;
terom@409: 
terom@409:             case ARG_TERRAIN_SIZE:
terom@409:                 terrain.dimensions = parse_arg_dimensions(args.get_argument(), "--terrain-size");
terom@409:                 break;
terom@409: 
terom@358:             case CL_CommandLine::REST_ARG:
terom@409:                 throw ArgumentError("Trailing arguments: " + args.get_argument());
terom@358: 
terom@358:             default:
terom@409:                 throw ArgumentError(std::string() + "Unknown argument key: " + (char) args.get_key());
terom@358: 
terom@358:         }
terom@358:     }
terom@358: 
terom@358:     // check for invalid combinations of arugments
terom@409:     if (net_server and !net_connect.empty())
terom@358:         throw ArgumentError("cannot be both server and client");
terom@358: 
terom@358:     // enable graphics by default unless server
terom@409:     if (!net_server)
terom@409:         graphics_enabled = true;
terom@389:     
terom@389:     // continue
terom@389:     return true;
terom@389: }
terom@389:         
terom@409: int Main::parse_arg_int (const std::string &arg_val, const char *arg_name) {
terom@409:     int int_val;
terom@409:     
terom@409:     // read using istringstream
terom@409:     std::istringstream ss(arg_val);
terom@409:     
terom@409:     if (!(ss >> int_val))
terom@409:         throw ArgumentError(std::string() + "invalid integer arugment for " + arg_name + ": " + arg_val);
terom@409: 
terom@409:     return int_val;
terom@409: }
terom@409: 
terom@411: PixelDimensions Main::parse_arg_dimensions (const std::string &arg_val, const char *arg_name) {
terom@389:     unsigned int w, h;
terom@389:     
terom@389:     // sccanf as unsigned
terom@409:     if (sscanf(arg_val.c_str(), "%ux%u", &w, &h) != 2)
terom@409:         throw ArgumentError(std::string() + "invalid format for " + arg_name + ": " + arg_val);
terom@389:     
terom@411:     return PixelDimensions(w, h);
terom@389: }
terom@389:         
terom@389: void Main::dump_display_modes (void) {
terom@411:     const std::vector<CL_DisplayMode> &modes = graphics::Display::getDisplayModes();
terom@389:     
terom@389:     std::cout << "Available display modes:" << std::endl;
terom@389: 
terom@389:     for (std::vector<CL_DisplayMode>::const_iterator it = modes.begin(); it != modes.end(); it++)
terom@389:         std::cout << "\t" << it->get_resolution().width << "x" << it->get_resolution().height << std::endl;
terom@358: }
terom@397:         
terom@397: void Main::dump_version (void) {
terom@397:     std::cout << PROJECT_LONG_NAME << " version " << PROJECT_VERSION << " built " << PROJECT_BUILD_TIMESTAMP << std::endl;
terom@397: }
terom@358: 
terom@358: /**
terom@358:  * IT BEGAN IN AFRIKA
terom@358:  */
terom@358: int Main::main (int argc, char **argv) {
terom@358:     // initialize the ClanLib components that we use
terom@358:     CL_SetupCore setup_core;
terom@358:     CL_SetupDisplay setup_disp;
terom@358:     CL_SetupGL setup_gl;
terom@358: 
terom@358:     try {
terom@389:         // parse arugments, exit if false
terom@389:         if (parse_args(argc, argv) == false)
terom@389:             return 0;
terom@358: 
terom@358:         // our engine
terom@358:         Engine engine;
terom@409: 
terom@409:         // setup game unless client
terom@409:         if (net_connect.empty())
terom@409:             engine.setupGame(terrain);
terom@358:         
terom@358:         // setup graphics
terom@409:         if (graphics_enabled)
terom@411:             engine.setupGraphics(display);
terom@358: 
terom@358:         // setup either network server, client or singleplayer
terom@409:         if (net_server) {
terom@409:             engine.setupNetworkServer(net_port);
terom@358: 
terom@409:         } else if (!net_connect.empty()) {
terom@409:             engine.setupNetworkClient(net_connect, net_port);
terom@358:         
terom@358:         } else {
terom@358:             engine.setupSinglePlayer();
terom@185:         }
terom@185: 
terom@358:         // run the main loop
terom@358:         engine.run();
terom@358:         
terom@358:         // succesful return
terom@358:         return 0;
terom@358:     
terom@358:     } catch (ArgumentError &e) {
terom@358:         std::cerr << e.what() << std::endl;
terom@358:         args.print_help();
terom@185: 
terom@358:         // XXX: handle --help
terom@358:         return 1;
terom@358:     } catch (CL_Error &e) {
terom@358:         std::cerr << "main: CL_Error:" << e.message << std::endl;
terom@185: 
terom@358:         return 1;
terom@185: 
terom@358:     } catch (std::exception &e) {
terom@358:         std::cerr << "FATAL [uncaught_exception] " << e.what() << std::endl;
terom@185: 
terom@358:         return 1;
terom@358:     }
terom@358: }
terom@185: