terom@185: 
terom@185: #include "Engine.hh"
terom@185: #include "SinglePlayer.hh"
terom@380: #include "Config.hh"
terom@185: 
terom@417: // XXX: how does this work if we don't have NETWORK_ENABLED?
terom@417: #include "Network/Reactor.hh"
terom@417: 
terom@417: // include the real component definitions
terom@417: #if NETWORK_ENABLED
terom@417:     #include "Network/Client.hh"
terom@417:     #include "Network/Server.hh"
terom@417: #endif
terom@417: 
terom@417: #if GRAPHICS_ENABLED
terom@417:     #include "Graphics/Graphics.hh"
terom@423:     #include "Graphics/GameView.hh"
terom@417: #endif
terom@417: 
terom@185: #include <iostream>
terom@417: #include <cassert>
terom@185: 
terom@418: /*
terom@418:  * Initialize static Engine global state
terom@418:  */
terom@418: LogLevel Engine::log_level = DEBUG;
terom@418: 
terom@418: Engine::Engine (const EngineConfig &config) : 
terom@411:     terrain(NULL), game_state(NULL), graphics(NULL), net_server(NULL), net_client_connect(NULL),
terom@419:     game_view(NULL),
terom@418:     is_running(true), resources(config.resource_path)
terom@233: {
terom@418:     // update global log_level
terom@418:     Engine::log_level = config.log_level;
terom@185: }
terom@185: 
terom@419: void Engine::setupGame (Terrain *terrain) {
terom@408:     // ensure this isn't called in inappropriate ways
terom@408:     assert(!net_server);
terom@408: 
terom@408:     // remember the terrain
terom@408:     this->terrain = terrain;
terom@408: 
terom@408:     // create the GameState
terom@408:     game_state = new GameState(*terrain);
terom@408: }
terom@408:         
terom@409: void Engine::setupGame (const TerrainConfig &config) {
terom@408:     // proxy off to setupGame(Terrain *)
terom@409:     setupGame(new Terrain(config));
terom@408: }
terom@408: 
terom@417: void Engine::setupGraphics (const DisplayConfig &config) {
terom@417: 
terom@417: #if GRAPHICS_ENABLED    
terom@417:     assert(!graphics);
terom@417: 
terom@185:     // create the graphics
terom@411:     graphics = new graphics::Graphics(*this, resources, config);
terom@417: 
terom@417: #else
terom@417:     (void) config;
terom@417: 
terom@417:     throw Error("No Graphics support available");
terom@417: 
terom@417: #endif
terom@417: 
terom@417: }
terom@417:         
terom@417: void Engine::startGameView (LocalPlayer *player) {
terom@417: 
terom@417: #if GRAPHICS_ENABLED    
terom@419:     assert(graphics && !game_view);
terom@417: 
terom@419:     game_view = graphics->displayGameView(*game_state, player);
terom@417: 
terom@417: #else
terom@417:     (void) player;
terom@417: 
terom@417:     throw Error("No Graphics support available");
terom@417: 
terom@417: #endif
terom@417: 
terom@185: }
terom@185: 
terom@185: void Engine::setupNetworkServer (const std::string &listen_port) {
terom@417: 
terom@418: #if NETWORK_ENABLED    
terom@381:     NetworkEndpoint listen_addr(listen_port);
terom@408:     
terom@409:     assert(terrain && game_state);
terom@409:     
terom@185:     // create the server
terom@408:     net_server = new NetworkServer(*game_state, listen_addr);
terom@411: 
terom@411:     // put graphics into GameView mode
terom@411:     if (graphics)
terom@417:         startGameView(NULL);
terom@417: 
terom@417: #else
terom@417:     (void) listen_port;
terom@417: 
terom@417:     throw Error("No Network support available");
terom@417: 
terom@417: #endif    
terom@185: }
terom@185: 
terom@185: void Engine::setupNetworkClient (const std::string &connect_host, const std::string &connect_port) {
terom@417: 
terom@418: #if NETWORK_ENABLED 
terom@423:     // client operation requires graphics
terom@423:     if (!GRAPHICS_ENABLED)
terom@423:         throw Error("Network client mode requires graphics support");
terom@423: 
terom@185:     // connect_to
terom@381:     NetworkEndpoint connect_addr(connect_host, connect_port);
terom@185: 
terom@408:     // begin connecting, the client will callback us with setupGame once it's connected
terom@408:     net_client_connect = new NetworkClientConnect(*this, connect_addr);
terom@417: 
terom@417: #else
terom@417:     (void) connect_host;
terom@417:     (void) connect_port;
terom@417: 
terom@417:     throw Error("No Network support available");
terom@417: 
terom@417: #endif    
terom@417: 
terom@185: }
terom@185: 
terom@185: void Engine::setupSinglePlayer (void) {
terom@409:     assert(terrain && game_state);
terom@408: 
terom@185:     // create player directly
terom@408:  	LocalPlayer* lp = new SinglePlayer(*game_state);
terom@185: 
terom@185:     // add to gamestate
terom@408: 	game_state->setLocalPlayer(lp);
terom@411: 
terom@411:     // put graphics into GameView mode
terom@411:     if (graphics)
terom@417:         startGameView(lp);
terom@419: }
terom@419:         
terom@423: GameState& Engine::onNetworkClientConnected (Terrain *terrain) {
terom@423:     // sanity-check
terom@423:     assert(!terrain && !game_state && graphics);
terom@419: 
terom@419:     // setup the game
terom@419:     setupGame(terrain);
terom@419: 
terom@419:     // start the GameView, but no LocalPlayer yet
terom@419:     startGameView(NULL);
terom@419: 
terom@419:     // return GameState
terom@419:     return *game_state;
terom@419: }
terom@423: 
terom@419: void Engine::onNetworkClientPlayer (LocalPlayer *player) {
terom@423: 
terom@423: #if GRAPHICS_ENABLED
terom@419:     assert(game_view);
terom@419: 
terom@419:     // set the GameView's player
terom@419:     game_view->setPlayer(player);
terom@423: 
terom@423: #else
terom@423:     (void) player;
terom@423: 
terom@423:     assert(graphics);
terom@423: 
terom@423: #endif
terom@423: 
terom@185: }
terom@185: 
terom@185: void Engine::stop (void) {
terom@185:     is_running = false;
terom@185: }
terom@185: 
terom@185: void Engine::run (void) {
terom@424: #if NETWORK_ENABLED 
terom@418:     // timeout for NetworkReactor
terom@418:     timeval timeout;
terom@424: #endif        
terom@418: 
terom@185:     while (is_running) {
terom@417:         /*
terom@417:          * Run internal ClanLib stuff (also includes our timers) until our timeout has elapsed
terom@417:          */
terom@417:         CL_System::keep_alive(ENGINE_TIMEOUT_MS);
terom@380:         
terom@418: #if NETWORK_ENABLED 
terom@418:         // setup timeout to zero
terom@418:         timeout.tv_sec = 0;
terom@418:         timeout.tv_usec = 0;
terom@418: 
terom@380:         /*
terom@380:          * Thursday came and went, I re-wrote clan-event.
terom@380:          *
terom@417:          * (actually, we only use it for zero-timeout polling now... not sure if this is better than using the above
terom@417:          * CL_System::keep_alive)
terom@380:          */
terom@418:         NetworkReactor::current->poll(&timeout);
terom@417: #endif        
terom@185:     }
terom@185: }
terom@185: