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Location: cpp/openttd-patchpack/source/src/misc.cpp
r27371:b9ad4c1bff08
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Feature: opt-in survey when exiting a game
On first start-up, the game will ask if you want to participate
in our automated survey. You have to opt-in, and can easily opt-out
(via the Options) at any time.
When opt-in, whenever you exit a game, a JSON blob will be send
to the survey server hosted by OpenTTD. This JSON blob contains
information that gives a global picture of the game just played:
- What settings were used
- How many humans vs AIs
- How long the game has been played
- Basic information about the OS / CPU
All this information is kept very generic, so there is no
chance we send private information to our survey server.
Nothing in the JSON blob could identify you as a person; it
mostly tells about the game played. At any time you can see
what the JSON blob includes, by pressing the "Preview Survey
Results" button in-game.
On first start-up, the game will ask if you want to participate
in our automated survey. You have to opt-in, and can easily opt-out
(via the Options) at any time.
When opt-in, whenever you exit a game, a JSON blob will be send
to the survey server hosted by OpenTTD. This JSON blob contains
information that gives a global picture of the game just played:
- What settings were used
- How many humans vs AIs
- How long the game has been played
- Basic information about the OS / CPU
All this information is kept very generic, so there is no
chance we send private information to our survey server.
Nothing in the JSON blob could identify you as a person; it
mostly tells about the game played. At any time you can see
what the JSON blob includes, by pressing the "Preview Survey
Results" button in-game.
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* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file misc.cpp Misc functions that shouldn't be here. */
#include "stdafx.h"
#include "landscape.h"
#include "news_func.h"
#include "ai/ai.hpp"
#include "script/script_gui.h"
#include "newgrf.h"
#include "newgrf_house.h"
#include "economy_func.h"
#include "timer/timer_game_calendar.h"
#include "timer/timer_game_tick.h"
#include "texteff.hpp"
#include "gfx_func.h"
#include "gamelog.h"
#include "animated_tile_func.h"
#include "tilehighlight_func.h"
#include "network/network_func.h"
#include "window_func.h"
#include "core/pool_type.hpp"
#include "game/game.hpp"
#include "linkgraph/linkgraphschedule.h"
#include "station_kdtree.h"
#include "town_kdtree.h"
#include "viewport_kdtree.h"
#include "newgrf_profiling.h"
#include "3rdparty/md5/md5.h"
#include "safeguards.h"
std::string _savegame_id; ///< Unique ID of the current savegame.
extern TileIndex _cur_tileloop_tile;
extern void MakeNewgameSettingsLive();
void InitializeSound();
void InitializeMusic();
void InitializeVehicles();
void InitializeRailGui();
void InitializeRoadGui();
void InitializeAirportGui();
void InitializeDockGui();
void InitializeGraphGui();
void InitializeObjectGui();
void InitializeTownGui();
void InitializeIndustries();
void InitializeObjects();
void InitializeTrees();
void InitializeCompanies();
void InitializeCheats();
void InitializeNPF();
void InitializeOldNames();
/**
* Generate an unique ID.
*
* It isn't as much of an unique ID as we would like, but our random generator
* can only produce 32bit random numbers.
* That is why we combine InteractiveRandom with the current (steady) clock.
* The first to add a bit of randomness, the second to ensure you can't get
* the same unique ID when you run it twice from the same state at different
* times.
*
* This makes it unlikely that two users generate the same ID for different
* subjects. But as this is not an UUID, so it can't be ruled out either.
*/
std::string GenerateUid(std::string_view subject)
{
auto current_time = std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
std::string coding_string = fmt::format("{}{}{}", InteractiveRandom(), current_time, subject);
Md5 checksum;
uint8 digest[16];
checksum.Append(coding_string.c_str(), coding_string.length());
checksum.Finish(digest);
return MD5SumToString(digest);
}
/**
* Generate an unique savegame ID.
*/
void GenerateSavegameId()
{
_savegame_id = GenerateUid("OpenTTD Savegame ID");
}
void InitializeGame(uint size_x, uint size_y, bool reset_date, bool reset_settings)
{
/* Make sure there isn't any window that can influence anything
* related to the new game we're about to start/load. */
UnInitWindowSystem();
Map::Allocate(size_x, size_y);
_pause_mode = PM_UNPAUSED;
_game_speed = 100;
TimerGameTick::counter = 0;
_cur_tileloop_tile = 1;
_thd.redsq = INVALID_TILE;
if (reset_settings) MakeNewgameSettingsLive();
_newgrf_profilers.clear();
if (reset_date) {
TimerGameCalendar::SetDate(TimerGameCalendar::ConvertYMDToDate(_settings_game.game_creation.starting_year, 0, 1), 0);
InitializeOldNames();
}
LinkGraphSchedule::Clear();
PoolBase::Clean(PT_NORMAL);
RebuildStationKdtree();
RebuildTownKdtree();
RebuildViewportKdtree();
ResetPersistentNewGRFData();
InitializeSound();
InitializeMusic();
InitializeVehicles();
InitNewsItemStructs();
InitializeLandscape();
InitializeRailGui();
InitializeRoadGui();
InitializeAirportGui();
InitializeDockGui();
InitializeGraphGui();
InitializeObjectGui();
InitializeTownGui();
InitializeScriptGui();
InitializeTrees();
InitializeIndustries();
InitializeObjects();
InitializeBuildingCounts();
InitializeNPF();
InitializeCompanies();
AI::Initialize();
Game::Initialize();
InitializeCheats();
InitTextEffects();
NetworkInitChatMessage();
InitializeAnimatedTiles();
InitializeEconomy();
ResetObjectToPlace();
_gamelog.Reset();
_gamelog.StartAction(GLAT_START);
_gamelog.Revision();
_gamelog.Mode();
_gamelog.GRFAddList(_grfconfig);
_gamelog.StopAction();
}
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