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game_controller.cpp
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game_controller.cpp
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/*
Copyright (C) 2003 - 2014 by David White <dave@whitevine.net>
Part of the Battle for Wesnoth Project http://www.wesnoth.org/
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY.
See the COPYING file for more details.
*/
#include "game_controller.hpp"
#include "global.hpp" // for false_, bool_
#include "commandline_options.hpp" // for commandline_options
#include "config.hpp" // for config, etc
#include "construct_dialog.hpp" // for dialog
#include "cursor.hpp" // for set, CURSOR_TYPE::NORMAL
#include "exceptions.hpp" // for error
#include "filesystem.hpp" // for get_user_config_dir, etc
#include "game_classification.hpp" // for game_classification, etc
#include "game_config.hpp" // for path, no_delay, revision, etc
#include "game_config_manager.hpp" // for game_config_manager
#include "game_end_exceptions.hpp" // for LEVEL_RESULT, etc
#include "gettext.hpp" // for _
#include "gui/dialogs/campaign_difficulty.hpp"
#include "gui/dialogs/campaign_selection.hpp" // for tcampaign_selection
#include "gui/dialogs/language_selection.hpp" // for tlanguage_selection
#include "gui/dialogs/mp_method_selection.hpp"
#include "gui/dialogs/title_screen.hpp" // for show_debug_clock_button
#include "gui/widgets/settings.hpp" // for new_widgets
#include "gui/widgets/window.hpp" // for twindow, etc
#include "language.hpp" // for language_def, etc
#include "loadscreen.hpp" // for loadscreen, etc
#include "log.hpp" // for LOG_STREAM, logger, general, etc
#include "multiplayer.hpp" // for start_client, etc
#include "network.hpp"
#include "playcampaign.hpp" // for play_game, etc
#include "preferences.hpp" // for disable_preferences_save, etc
#include "preferences_display.hpp" // for detect_video_settings, etc
#include "replay.hpp" // for replay, recorder
#include "resources.hpp" // for config_manager
#include "savegame.hpp" // for clean_saves, etc
#include "sdl/utils.hpp" // for surface
#include "serialization/compression.hpp" // for format::NONE
#include "serialization/string_utils.hpp" // for split
#include "tstring.hpp" // for operator==, operator!=
#include "util.hpp" // for lexical_cast_default
#include "wml_exception.hpp" // for twml_exception
#include <algorithm> // for copy, max, min, stable_sort
#include <boost/foreach.hpp> // for auto_any_base, etc
#include <boost/optional.hpp> // for optional
#include <boost/tuple/tuple.hpp> // for tuple
#include <cstdlib> // for NULL, system
#include <iostream> // for operator<<, basic_ostream, etc
#include <utility> // for pair
#include "SDL.h" // for SDL_INIT_JOYSTICK, etc
#include "SDL_events.h" // for SDL_ENABLE
#include "SDL_joystick.h" // for SDL_JoystickEventState, etc
#include "SDL_timer.h" // for SDL_Delay
#include "SDL_version.h" // for SDL_VERSION_ATLEAST
#include "SDL_video.h" // for SDL_WM_SetCaption, etc
#ifdef DEBUG_WINDOW_LAYOUT_GRAPHS
#include "gui/widgets/debug.hpp"
#endif
struct incorrect_map_format_error;
static lg::log_domain log_config("config");
#define ERR_CONFIG LOG_STREAM(err, log_config)
#define WRN_CONFIG LOG_STREAM(warn, log_config)
#define LOG_CONFIG LOG_STREAM(info, log_config)
#define LOG_GENERAL LOG_STREAM(info, lg::general)
#define WRN_GENERAL LOG_STREAM(warn, lg::general)
#define DBG_GENERAL LOG_STREAM(debug, lg::general)
static lg::log_domain log_mp_create("mp/create");
#define DBG_MP LOG_STREAM(debug, log_mp_create)
static lg::log_domain log_network("network");
#define ERR_NET LOG_STREAM(err, log_network)
static lg::log_domain log_enginerefac("enginerefac");
#define LOG_RG LOG_STREAM(info, log_enginerefac)
static bool less_campaigns_rank(const config &a, const config &b) {
return a["rank"].to_int(1000) < b["rank"].to_int(1000);
}
game_controller::game_controller(const commandline_options& cmdline_opts, const char *appname) :
cmdline_opts_(cmdline_opts),
disp_(NULL),
video_(),
thread_manager(),
font_manager_(),
prefs_manager_(),
image_manager_(),
main_event_context_(),
hotkey_manager_(),
music_thinker_(),
resize_monitor_(),
test_scenario_("test"),
screenshot_map_(),
screenshot_filename_(),
state_(),
multiplayer_server_(),
jump_to_multiplayer_(false),
jump_to_campaign_(false, -1, "", ""),
jump_to_editor_(false)
{
bool no_music = false;
bool no_sound = false;
// The path can be hardcoded and it might be a relative path.
if(!game_config::path.empty() &&
#ifdef _WIN32
// use c_str to ensure that index 1 points to valid element since c_str() returns null-terminated string
game_config::path.c_str()[1] != ':'
#else
game_config::path[0] != '/'
#endif
)
{
game_config::path = get_cwd() + '/' + game_config::path;
font_manager_.update_font_path();
}
const std::string app_basename = file_name(appname);
jump_to_editor_ = app_basename.find("editor") != std::string::npos;
if (cmdline_opts_.campaign) {
jump_to_campaign_.jump_ = true;
jump_to_campaign_.campaign_id_ = *cmdline_opts_.campaign;
std::cerr << "selected campaign id: [" << jump_to_campaign_.campaign_id_ << "]\n";
if (cmdline_opts_.campaign_difficulty) {
jump_to_campaign_.difficulty_ = *cmdline_opts_.campaign_difficulty;
std::cerr << "selected difficulty: [" << jump_to_campaign_.difficulty_ << "]\n";
}
else
jump_to_campaign_.difficulty_ = -1; // let the user choose the difficulty
if (cmdline_opts_.campaign_scenario) {
jump_to_campaign_.scenario_id_ = *cmdline_opts_.campaign_scenario;
std::cerr << "selected scenario id: [" << jump_to_campaign_.scenario_id_ << "]\n";
}
}
if (cmdline_opts_.clock)
gui2::show_debug_clock_button = true;
if (cmdline_opts_.debug) {
game_config::debug = true;
game_config::mp_debug = true;
}
#ifdef DEBUG_WINDOW_LAYOUT_GRAPHS
if (cmdline_opts_.debug_dot_domain)
gui2::tdebug_layout_graph::set_domain (*cmdline_opts_.debug_dot_domain);
if (cmdline_opts_.debug_dot_level)
gui2::tdebug_layout_graph::set_level (*cmdline_opts_.debug_dot_level);
#endif
if (cmdline_opts_.editor)
{
jump_to_editor_ = true;
if(!cmdline_opts_.editor->empty())
game::load_game_exception::game = *cmdline_opts_.editor;
}
if (cmdline_opts_.fps)
preferences::set_show_fps(true);
if (cmdline_opts_.fullscreen)
preferences::set_fullscreen(true);
if (cmdline_opts_.load)
game::load_game_exception::game = *cmdline_opts_.load;
if (cmdline_opts_.max_fps) {
int fps;
//FIXME: remove the next line once the weird util.cpp specialized template lexical_cast_default() linking issue is solved
fps = lexical_cast_default<int>("", 50);
fps = *cmdline_opts_.max_fps;
fps = std::min<int>(fps, 1000);
fps = std::max<int>(fps, 1);
fps = 1000 / fps;
// increase the delay to avoid going above the maximum
if(1000 % fps != 0) {
++fps;
}
preferences::set_draw_delay(fps);
}
if (cmdline_opts_.nogui || cmdline_opts_.headless_unit_test) {
no_sound = true;
preferences::disable_preferences_save();
}
if (cmdline_opts_.new_widgets)
gui2::new_widgets = true;
if (cmdline_opts_.nodelay)
game_config::no_delay = true;
if (cmdline_opts_.nomusic)
no_music = true;
if (cmdline_opts_.nosound)
no_sound = true;
//These commented lines should be used to implement support of connection
//through a proxy via command line options.
//The ANA network module should implement these methods (while the SDL_net won't.)
if (cmdline_opts_.proxy)
network::enable_connection_through_proxy();
if (cmdline_opts_.proxy_address)
{
network::enable_connection_through_proxy();
network::set_proxy_address(*cmdline_opts_.proxy_address);
}
if (cmdline_opts_.proxy_password)
{
network::enable_connection_through_proxy();
network::set_proxy_password(*cmdline_opts_.proxy_password);
}
if (cmdline_opts_.proxy_port)
{
network::enable_connection_through_proxy();
network::set_proxy_port(*cmdline_opts_.proxy_port);
}
if (cmdline_opts_.proxy_user)
{
network::enable_connection_through_proxy();
network::set_proxy_user(*cmdline_opts_.proxy_user);
}
if (cmdline_opts_.resolution) {
const int xres = cmdline_opts_.resolution->get<0>();
const int yres = cmdline_opts_.resolution->get<1>();
if(xres > 0 && yres > 0) {
const std::pair<int,int> resolution(xres,yres);
preferences::set_resolution(resolution);
}
}
if (cmdline_opts_.screenshot) {
//TODO it could be simplified to use cmdline_opts_ directly if there is no other way to enter screenshot mode
screenshot_map_ = *cmdline_opts_.screenshot_map_file;
screenshot_filename_ = *cmdline_opts_.screenshot_output_file;
no_sound = true;
preferences::disable_preferences_save();
}
if (cmdline_opts_.server){
jump_to_multiplayer_ = true;
//Do we have any server specified ?
if (!cmdline_opts_.server->empty())
multiplayer_server_ = *cmdline_opts_.server;
else //Pick the first server in config
{
if (game_config::server_list.size() > 0)
multiplayer_server_ = preferences::network_host();
else
multiplayer_server_ = "";
}
}
if (cmdline_opts_.username) {
preferences::disable_preferences_save();
preferences::set_login(*cmdline_opts_.username);
}
if (cmdline_opts_.password) {
preferences::disable_preferences_save();
preferences::set_password(*cmdline_opts_.password);
}
if (cmdline_opts_.test)
{
if (!cmdline_opts_.test->empty())
test_scenario_ = *cmdline_opts_.test;
}
if (cmdline_opts_.unit_test)
{
if (!cmdline_opts_.unit_test->empty()) {
test_scenario_ = *cmdline_opts_.unit_test;
}
}
if (cmdline_opts_.windowed)
preferences::set_fullscreen(false);
if (cmdline_opts_.with_replay)
game::load_game_exception::show_replay = true;
std::cerr << '\n';
std::cerr << "Data directory: " << game_config::path
<< "\nUser configuration directory: " << get_user_config_dir()
<< "\nUser data directory: " << get_user_data_dir()
<< "\nCache directory: " << get_cache_dir()
<< '\n';
// disable sound in nosound mode, or when sound engine failed to initialize
if (no_sound || ((preferences::sound_on() || preferences::music_on() ||
preferences::turn_bell() || preferences::UI_sound_on()) &&
!sound::init_sound())) {
preferences::set_sound(false);
preferences::set_music(false);
preferences::set_turn_bell(false);
preferences::set_UI_sound(false);
}
else if (no_music) { // else disable the music in nomusic mode
preferences::set_music(false);
}
}
game_display& game_controller::disp()
{
if(disp_.get() == NULL) {
if(get_video_surface() == NULL) {
throw CVideo::error();
}
disp_.assign(game_display::create_dummy_display(video_));
}
return *disp_.get();
}
bool game_controller::init_joystick()
{
if (!preferences::joystick_support_enabled())
return false;
if(SDL_WasInit(SDL_INIT_JOYSTICK) == 0)
if(SDL_InitSubSystem(SDL_INIT_JOYSTICK) == -1)
return false;
int joysticks = SDL_NumJoysticks();
if (joysticks == 0) return false;
SDL_JoystickEventState(SDL_ENABLE);
bool joystick_found = false;
for (int i = 0; i<joysticks; i++) {
if (SDL_JoystickOpen(i))
joystick_found = true;
}
return joystick_found;
}
bool game_controller::init_language()
{
if(!::load_language_list())
return false;
language_def locale;
if(cmdline_opts_.language) {
std::vector<language_def> langs = get_languages();
BOOST_FOREACH(const language_def & def, langs) {
if(def.localename == *cmdline_opts_.language) {
locale = def;
break;
}
}
if(locale.localename.empty()) {
std::cerr << "Language symbol '" << *cmdline_opts_.language << "' not found.\n";
return false;
}
} else {
locale = get_locale();
}
::set_language(locale);
return true;
}
bool game_controller::init_video()
{
if(cmdline_opts_.nogui || cmdline_opts_.headless_unit_test) {
if( !(cmdline_opts_.multiplayer || cmdline_opts_.screenshot || cmdline_opts_.headless_unit_test) ) {
std::cerr << "--nogui flag is only valid with --multiplayer flag or --screenshot flag\n";
return false;
}
video_.make_fake();
game_config::no_delay = true;
return true;
}
std::string wm_title_string = _("The Battle for Wesnoth");
wm_title_string += " - " + game_config::revision;
#if !SDL_VERSION_ATLEAST(2, 0, 0)
SDL_WM_SetCaption(wm_title_string.c_str(), NULL);
#endif
#if !(defined(__APPLE__))
surface icon(image::get_image("game-icon.png", image::UNSCALED));
if(icon != NULL) {
///must be called after SDL_Init() and before setting video mode
#if !SDL_VERSION_ATLEAST(2, 0, 0)
SDL_WM_SetIcon(icon,NULL);
#endif
}
#endif
std::pair<int,int> resolution;
int bpp = 0;
int video_flags = 0;
bool found_matching = preferences::detect_video_settings(video_, resolution, bpp, video_flags);
if (cmdline_opts_.bpp) {
bpp = *cmdline_opts_.bpp;
} else if (cmdline_opts_.screenshot) {
bpp = 32;
}
if(!found_matching && (video_flags & FULL_SCREEN)) {
video_flags ^= FULL_SCREEN;
found_matching = preferences::detect_video_settings(video_, resolution, bpp, video_flags);
if (found_matching) {
std::cerr << "Failed to set " << resolution.first << 'x' << resolution.second << 'x' << bpp << " in fullscreen mode. Using windowed instead.\n";
}
}
if(!found_matching) {
std::cerr << "Video mode " << resolution.first << 'x'
<< resolution.second << 'x' << bpp
<< " is not supported.\n";
return false;
}
std::cerr << "setting mode to " << resolution.first << "x" << resolution.second << "x" << bpp << "\n";
const int res = video_.setMode(resolution.first,resolution.second,bpp,video_flags);
video_.setBpp(bpp);
if(res == 0) {
std::cerr << "required video mode, " << resolution.first << "x"
<< resolution.second << "x" << bpp << " is not supported\n";
return false;
}
#if SDL_VERSION_ATLEAST(2, 0, 0)
CVideo::set_window_title(wm_title_string);
#if !(defined(__APPLE__))
if(icon != NULL) {
CVideo::set_window_icon(icon);
}
#endif
#endif
return true;
}
bool game_controller::play_test()
{
static bool first_time = true;
if(!cmdline_opts_.test) {
return true;
}
if(!first_time)
return false;
first_time = false;
state_.classification().campaign_type = game_classification::TEST;
state_.carryover_sides_start["next_scenario"] = test_scenario_;
state_.classification().campaign_define = "TEST";
resources::config_manager->
load_game_config_for_game(state_.classification());
try {
play_game(disp(),state_,resources::config_manager->game_config());
} catch (game::load_game_exception &) {
return true;
}
return false;
}
// Same as play_test except that we return the results of play_game.
int game_controller::unit_test()
{
static bool first_time_unit = true;
if(!cmdline_opts_.unit_test) {
return 0;
}
if(!first_time_unit)
return 0;
first_time_unit = false;
state_.classification().campaign_type = game_classification::TEST;
state_.carryover_sides_start["next_scenario"] = test_scenario_;
state_.classification().campaign_define = "TEST";
resources::config_manager->
load_game_config_for_game(state_.classification());
try {
LEVEL_RESULT res = play_game(disp(),state_,resources::config_manager->game_config(), IO_NONE, false, false, false, true);
if (!(res == VICTORY || res == NONE) || lg::broke_strict()) {
return 1;
}
} catch (game::load_game_exception &) {
std::cerr << "Load_game_exception encountered while loading the unit test!" << std::endl;
return 1; //failed to load the unit test scenario
} catch(twml_exception& e) {
std::cerr << "Caught WML Exception:" << e.dev_message << std::endl; //e.show(disp());
return 1;
}
savegame::clean_saves(state_.classification().label);
if (cmdline_opts_.noreplaycheck)
return 0; //we passed, huzzah!
savegame::replay_savegame save(state_, compression::NONE);
save.save_game_automatic(disp().video(), false, "unit_test_replay"); //false means don't check for overwrite
clear_loaded_game();
//game::load_game_exception::game = *cmdline_opts_.load
game::load_game_exception::game = "unit_test_replay";
// game::load_game_exception::game = "Unit_test_" + test_scenario_ + "_replay";
game::load_game_exception::show_replay = true;
game::load_game_exception::cancel_orders = true;
if (!load_game()) {
std::cerr << "Failed to load the replay!" << std::endl;
return 3; //failed to load replay
}
try {
//LEVEL_RESULT res = play_game(disp(), state_, resources::config_manager->game_config(), IO_NONE, false,false,false,true);
LEVEL_RESULT res = ::play_replay(disp(), state_, resources::config_manager->game_config(), video_, true);
if (!(res == VICTORY || res == NONE)) {
std::cerr << "Observed failure on replay" << std::endl;
return 4;
}
/*::play_replay(disp(),state_,resources::config_manager->game_config(),
video_);*/
clear_loaded_game();
} catch (game::load_game_exception &) {
std::cerr << "Load_game_exception encountered during play_replay!" << std::endl;
return 3; //failed to load replay
} catch(twml_exception& e) {
std::cerr << "WML Exception while playing replay: " << e.dev_message << std::endl; //e.show(disp());
return 4; //failed with an error during the replay
}
return 0; //we passed, huzzah!
}
bool game_controller::play_screenshot_mode()
{
if(!cmdline_opts_.screenshot) {
return true;
}
resources::config_manager->load_game_config_for_editor();
::init_textdomains(resources::config_manager->game_config());
editor::start(resources::config_manager->game_config(), video_,
screenshot_map_, true, screenshot_filename_);
return false;
}
bool game_controller::is_loading() const
{
return !game::load_game_exception::game.empty();
}
bool game_controller::load_game()
{
savegame::loadgame load(disp(), resources::config_manager->game_config(),
state_);
try {
load.load_game(game::load_game_exception::game, game::load_game_exception::show_replay, game::load_game_exception::cancel_orders, game::load_game_exception::select_difficulty, game::load_game_exception::difficulty);
try {
resources::config_manager->
load_game_config_for_game(state_.classification());
} catch(config::error&) {
return false;
}
load.set_gamestate();
} catch(load_game_cancelled_exception&) {
clear_loaded_game();
return false;
} catch(config::error& e) {
if(e.message.empty()) {
gui2::show_error_message(disp().video(), _("The file you have tried to load is corrupt"));
}
else {
gui2::show_error_message(disp().video(), _("The file you have tried to load is corrupt: '") + e.message + '\'');
}
return false;
} catch(twml_exception& e) {
e.show(disp());
return false;
} catch(io_exception& e) {
if(e.message.empty()) {
gui2::show_error_message(disp().video(), _("File I/O Error while reading the game"));
} else {
gui2::show_error_message(disp().video(), _("File I/O Error while reading the game: '") + e.message + '\'');
}
return false;
} catch(game::error& e) {
if(e.message.empty()) {
gui2::show_error_message(disp().video(), _("The file you have tried to load is corrupt"));
}
else {
gui2::show_error_message(disp().video(), _("The file you have tried to load is corrupt: '") + e.message + '\'');
}
return false;
}
recorder = replay(state_.replay_data);
recorder.start_replay();
recorder.set_skip(false);
LOG_CONFIG << "has is middle game savefile: " << (state_.is_mid_game_save() ? "yes" : "no") << "\n";
if (!state_.is_mid_game_save()) {
//this is a start-of-scenario
if (load.show_replay()) {
// There won't be any turns to replay, but the
// user gets to watch the intro sequence again ...
LOG_CONFIG << "replaying (start of scenario)\n";
} else {
LOG_CONFIG << "skipping...\n";
recorder.set_skip(false);
}
} else {
// We have a snapshot. But does the user want to see a replay?
if(load.show_replay()) {
statistics::clear_current_scenario();
LOG_CONFIG << "replaying (snapshot)\n";
} else {
LOG_CONFIG << "setting replay to end...\n";
recorder.set_to_end();
if(!recorder.at_end()) {
WRN_CONFIG << "recorder is not at the end!!!" << std::endl;
}
}
}
if(state_.classification().campaign_type == game_classification::MULTIPLAYER) {
BOOST_FOREACH(config &side, state_.get_starting_pos().child_range("side"))
{
if (side["controller"] == "network")
side["controller"] = "human";
if (side["controller"] == "network_ai")
side["controller"] = "ai";
}
gui2::show_message(disp().video(), _("Warning") , _("This is a multiplayer scenario. Some parts of it may not work properly in single-player. It is recommended to load this scenario through the <b>Multiplayer</b> → <b>Load Game</b> dialog instead."), "", true, true);
}
if (load.cancel_orders()) {
BOOST_FOREACH(config &side, state_.get_starting_pos().child_range("side"))
{
if (side["controller"] != "human") continue;
BOOST_FOREACH(config &unit, side.child_range("unit"))
{
unit["goto_x"] = -999;
unit["goto_y"] = -999;
}
}
}
return true;
}
void game_controller::set_tutorial()
{
state_ = saved_game();
state_.classification().campaign_type = game_classification::TUTORIAL;
state_.carryover_sides_start["next_scenario"] = "tutorial";
state_.classification().campaign_define = "TUTORIAL";
}
void game_controller::mark_completed_campaigns(std::vector<config> &campaigns)
{
BOOST_FOREACH(config &campaign, campaigns) {
campaign["completed"] = preferences::is_campaign_completed(campaign["id"]);
}
}
bool game_controller::new_campaign()
{
state_ = saved_game();
state_.classification().campaign_type = game_classification::SCENARIO;
std::vector<config> campaigns;
BOOST_FOREACH(const config& campaign,
resources::config_manager->game_config().child_range("campaign")) {
if (campaign["type"] != "mp") {
campaigns.push_back(campaign);
}
}
mark_completed_campaigns(campaigns);
std::stable_sort(campaigns.begin(),campaigns.end(),less_campaigns_rank);
if(campaigns.begin() == campaigns.end()) {
gui2::show_error_message(disp().video(),
_("No campaigns are available.\n"));
return false;
}
int campaign_num = -1;
bool use_deterministic_mode = false;
// No campaign selected from command line
if (jump_to_campaign_.campaign_id_.empty() == true)
{
gui2::tcampaign_selection dlg(campaigns);
try {
dlg.show(disp().video());
} catch(twml_exception& e) {
e.show(disp());
return false;
}
if(dlg.get_retval() != gui2::twindow::OK) {
return false;
}
campaign_num = dlg.get_choice();
use_deterministic_mode = dlg.get_deterministic();
}
else
{
// don't reset the campaign_id_ so we can know
// if we should quit the game or return to the main menu
// checking for valid campaign name
for(size_t i = 0; i < campaigns.size(); ++i)
{
if (campaigns[i]["id"] == jump_to_campaign_.campaign_id_)
{
campaign_num = i;
break;
}
}
// didn't found any campaign with that id
if (campaign_num == -1)
{
std::cerr<<"No such campaign id to jump to: ["<<jump_to_campaign_.campaign_id_<<"]\n";
return false;
}
}
const config &campaign = campaigns[campaign_num];
state_.classification().campaign = campaign["id"].str();
state_.classification().abbrev = campaign["abbrev"].str();
std::string random_mode = use_deterministic_mode ? "deterministic" : "";
state_.carryover_sides_start["random_mode"] = random_mode;
state_.classification().random_mode = random_mode;
// we didn't specify in the command line the scenario to be started
if (jump_to_campaign_.scenario_id_.empty())
state_.carryover_sides_start["next_scenario"] = campaign["first_scenario"].str();
else
state_.carryover_sides_start["next_scenario"] = jump_to_campaign_.scenario_id_;
state_.classification().end_text = campaign["end_text"].str();
state_.classification().end_text_duration = campaign["end_text_duration"];
const std::string difficulty_descriptions = campaign["difficulty_descriptions"];
std::vector<std::string> difficulty_options = utils::split(difficulty_descriptions, ';');
const std::vector<std::string> difficulties = utils::split(campaign["difficulties"]);
if(difficulties.empty() == false) {
int difficulty = 0;
if (jump_to_campaign_.difficulty_ == -1){
if(difficulty_options.size() != difficulties.size()) {
difficulty_options.resize(difficulties.size());
std::copy(difficulties.begin(),difficulties.end(),difficulty_options.begin());
}
gui2::tcampaign_difficulty dlg(difficulty_options);
dlg.show(disp().video());
if(dlg.selected_index() == -1) {
if (jump_to_campaign_.campaign_id_.empty() == false)
{
jump_to_campaign_.campaign_id_ = "";
}
// canceled difficulty dialog, relaunch the campaign selection dialog
return new_campaign();
}
difficulty = dlg.selected_index();
}
else
{
if (jump_to_campaign_.difficulty_
> static_cast<int>(difficulties.size()))
{
std::cerr << "incorrect difficulty number: [" <<
jump_to_campaign_.difficulty_ << "]. maximum is [" <<
difficulties.size() << "].\n";
return false;
}
else if (jump_to_campaign_.difficulty_ < 1)
{
std::cerr << "incorrect difficulty number: [" <<
jump_to_campaign_.difficulty_ << "]. minimum is [1].\n";
return false;
}
else
{
difficulty = jump_to_campaign_.difficulty_ - 1;
}
}
state_.classification().difficulty = difficulties[difficulty];
}
state_.classification().campaign_define = campaign["define"].str();
state_.classification().campaign_xtra_defines = utils::split(campaign["extra_defines"]);
return true;
}
std::string game_controller::jump_to_campaign_id() const
{
return jump_to_campaign_.campaign_id_;
}
bool game_controller::goto_campaign()
{
if(jump_to_campaign_.jump_){
if(new_campaign()) {
jump_to_campaign_.jump_ = false;
launch_game(game_controller::RELOAD_DATA);
}else{
jump_to_campaign_.jump_ = false;
return false;
}
}
return true;
}
bool game_controller::goto_multiplayer()
{
if(jump_to_multiplayer_){
jump_to_multiplayer_ = false;
if(play_multiplayer()){
;
}else{
return false;
}
}
return true;
}
bool game_controller::goto_editor()
{
if(jump_to_editor_){
jump_to_editor_ = false;
if (start_editor(normalize_path(game::load_game_exception::game)) ==
editor::EXIT_QUIT_TO_DESKTOP)
{
return false;
}
clear_loaded_game();
}
return true;
}
void game_controller::start_wesnothd()
{
const std::string wesnothd_program =
preferences::get_mp_server_program_name().empty() ?
get_program_invocation("wesnothd") : preferences::get_mp_server_program_name();
std::string config = get_user_config_dir() + "/lan_server.cfg";
if (!file_exists(config)) {
// copy file if it isn't created yet
write_file(config, read_file(get_wml_location("lan_server.cfg")));
}
#ifndef _WIN32
std::string command = "\"" + wesnothd_program +"\" -c \"" + config + "\" -d -t 2 -T 5";
#else
// start wesnoth as background job
std::string command = "cmd /C start \"wesnoth server\" /B \"" + wesnothd_program + "\" -c \"" + config + "\" -t 2 -T 5";
#endif
LOG_GENERAL << "Starting wesnothd: "<< command << "\n";
if (std::system(command.c_str()) == 0) {
// Give server a moment to start up
SDL_Delay(50);
return;
}
preferences::set_mp_server_program_name("");
// Couldn't start server so throw error
WRN_GENERAL << "Failed to run server start script" << std::endl;
throw game::mp_server_error("Starting MP server failed!");
}
bool game_controller::play_multiplayer()
{
int res;
state_ = saved_game();
state_.classification().campaign_type = game_classification::MULTIPLAYER;
//Print Gui only if the user hasn't specified any server
if( multiplayer_server_.empty() ){
int start_server;
do {
start_server = 0;
gui2::tmp_method_selection dlg;
dlg.show(disp().video());
if(dlg.get_retval() == gui2::twindow::OK) {
res = dlg.get_choice();
} else {
return false;
}
if (res == 2 && preferences::mp_server_warning_disabled() < 2) {
start_server = !gui2::tmp_host_game_prompt::execute(disp().video());
}
} while (start_server);
if (res < 0) {
return false;
}
}else{
res = 4;
}
try {
if (res == 2)
{
try {
start_wesnothd();
} catch(game::mp_server_error&)
{
std::string path = preferences::show_wesnothd_server_search(disp());
if (!path.empty())
{
preferences::set_mp_server_program_name(path);
start_wesnothd();
}
else
{
return false;
}
}
}
resources::config_manager->
load_game_config_for_game(state_.classification());
events::discard_input(); // prevent the "keylogger" effect
cursor::set(cursor::NORMAL);
if(res == 3) {
mp::start_local_game(disp(),
resources::config_manager->game_config(), state_);
} else if((res >= 0 && res <= 2) || res == 4) {
std::string host;
if(res == 0) {
host = preferences::server_list().front().address;
}else if(res == 2) {
host = "localhost";
}else if(res == 4){
host = multiplayer_server_;
multiplayer_server_ = "";
}
mp::start_client(disp(), resources::config_manager->game_config(),
state_, host);
}
} catch(game::mp_server_error& e) {
gui2::show_error_message(disp().video(), _("Error while starting server: ") + e.message);
} catch(game::load_game_failed& e) {
gui2::show_error_message(disp().video(), _("The game could not be loaded: ") + e.message);
} catch(game::game_error& e) {
gui2::show_error_message(disp().video(), _("Error while playing the game: ") + e.message);
} catch(network::error& e) {
if(e.message != "") {
ERR_NET << "caught network::error: " << e.message << std::endl;
gui2::show_transient_message(disp().video()
, ""
, gettext(e.message.c_str()));
} else {
ERR_NET << "caught network::error" << std::endl;
}
} catch(config::error& e) {
if(e.message != "") {