OpenTTD Source: src/network/core/network_game_info.cpp Source File

OpenTTD Source 15.0-beta1

network_game_info.cpp
1/*
2 * This file is part of OpenTTD.
3 * 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.
4 * 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.
5 * 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/>.
6 */
7
12#include "../../stdafx.h"
13#include "network_game_info.h"
14#include "../../core/bitmath_func.hpp"
15#include "../../company_base.h"
16#include "../../timer/timer_game_calendar.h"
17#include "../../timer/timer_game_tick.h"
18#include "../../debug.h"
19#include "../../map_func.h"
20#include "../../game/game.hpp"
21#include "../../game/game_info.hpp"
22#include "../../settings_type.h"
23#include "../../string_func.h"
24#include "../../rev.h"
25#include "../network_func.h"
26#include "../network.h"
27#include "../network_internal.h"
28#include "packet.h"
29
30#include "../../safeguards.h"
31
32
37static const uint GITHASH_SUFFIX_LEN = 12;
38
39 NetworkServerGameInfo _network_game_info;
40
45std::string_view GetNetworkRevisionString()
46{
47 static std::string network_revision;
48
49 if (network_revision.empty()) {
50#if not defined(NETWORK_INTERNAL_H)
51# error("network_internal.h must be included, otherwise the debug related preprocessor tokens won't be picked up correctly.")
52#elif not defined(ENABLE_NETWORK_SYNC_EVERY_FRAME)
53 /* Just a standard build. */
54 network_revision = _openttd_revision;
55#elif defined(NETWORK_SEND_DOUBLE_SEED)
56 /* Build for debugging that sends both parts of the seeds and by doing that practically syncs every frame. */
57 network_revision = fmt::format("dbg_seed-{}", _openttd_revision);
58#else
59 /* Build for debugging that sends the first part of the seed every frame, practically syncing every frame. */
60 network_revision = fmt::format("dbg_sync-{}", _openttd_revision);
61#endif
62 if (_openttd_revision_tagged) {
63 /* Tagged; do not mangle further, though ensure it's not too long. */
64 if (network_revision.size() >= NETWORK_REVISION_LENGTH) network_revision.resize(NETWORK_REVISION_LENGTH - 1);
65 } else {
66 /* Not tagged; add the githash suffix while ensuring the string does not become too long. */
67 assert(_openttd_revision_modified < 3);
68 std::string githash_suffix = fmt::format("-{}{}", "gum"[_openttd_revision_modified], _openttd_revision_hash);
69 if (githash_suffix.size() > GITHASH_SUFFIX_LEN) githash_suffix.resize(GITHASH_SUFFIX_LEN);
70
71 /* Where did the hash start in the original string? Overwrite from that position, unless that would create a too long string. */
72 size_t hash_end = network_revision.find_last_of('-');
73 if (hash_end == std::string::npos) hash_end = network_revision.size();
74 if (hash_end + githash_suffix.size() >= NETWORK_REVISION_LENGTH) hash_end = NETWORK_REVISION_LENGTH - githash_suffix.size() - 1;
75
76 /* Replace the git hash in revision string. */
77 network_revision.replace(hash_end, std::string::npos, githash_suffix);
78 }
79 assert(network_revision.size() < NETWORK_REVISION_LENGTH); // size does not include terminator, constant does, hence strictly less than
80 Debug(net, 3, "Network revision name: {}", network_revision);
81 }
82
83 return network_revision;
84}
85
91static std::string_view ExtractNetworkRevisionHash(std::string_view revision_string)
92{
93 size_t index = revision_string.find_last_of('-');
94 if (index == std::string::npos) return {};
95 return revision_string.substr(index);
96}
97
103bool IsNetworkCompatibleVersion(std::string_view other)
104{
105 std::string_view our_revision = GetNetworkRevisionString();
106 if (our_revision == other) return true;
107
108 /* If this version is tagged, then the revision string must be a complete match,
109 * since there is no git hash suffix in it.
110 * This is needed to avoid situations like "1.9.0-beta1" comparing equal to "2.0.0-beta1". */
111 if (_openttd_revision_tagged) return false;
112
113 /* One of the versions is for some sort of debugging, but not both. */
114 if (other.starts_with("dbg_seed") != our_revision.starts_with("dbg_seed")) return false;
115 if (other.starts_with("dbg_sync") != our_revision.starts_with("dbg_sync")) return false;
116
117 std::string_view hash1 = ExtractNetworkRevisionHash(our_revision);
118 std::string_view hash2 = ExtractNetworkRevisionHash(other);
119 return hash1 == hash2;
120}
121
125void CheckGameCompatibility(NetworkGameInfo &ngi)
126{
127 /* Check if we are allowed on this server based on the revision-check. */
128 ngi.version_compatible = IsNetworkCompatibleVersion(ngi.server_revision);
129 ngi.compatible = ngi.version_compatible;
130
131 /* Check if we have all the GRFs on the client-system too. */
132 for (const GRFConfig *c = ngi.grfconfig; c != nullptr; c = c->next) {
133 if (c->status == GCS_NOT_FOUND) ngi.compatible = false;
134 }
135}
136
141void FillStaticNetworkServerGameInfo()
142{
143 _network_game_info.use_password = !_settings_client.network.server_password.empty();
144 _network_game_info.calendar_start = TimerGameCalendar::ConvertYMDToDate(_settings_game.game_creation.starting_year, 0, 1);
145 _network_game_info.clients_max = _settings_client.network.max_clients;
146 _network_game_info.companies_max = _settings_client.network.max_companies;
147 _network_game_info.map_width = Map::SizeX();
148 _network_game_info.map_height = Map::SizeY();
149 _network_game_info.landscape = _settings_game.game_creation.landscape;
150 _network_game_info.dedicated = _network_dedicated;
151 _network_game_info.grfconfig = _grfconfig;
152
153 _network_game_info.server_name = _settings_client.network.server_name;
154 _network_game_info.server_revision = GetNetworkRevisionString();
155}
156
161const NetworkServerGameInfo &GetCurrentNetworkServerGameInfo()
162{
163 /* These variables are updated inside _network_game_info as if they are global variables:
164 * - clients_on
165 * - invite_code
166 * These don't need to be updated manually here.
167 */
168 _network_game_info.companies_on = (uint8_t)Company::GetNumItems();
169 _network_game_info.spectators_on = NetworkSpectatorCount();
170 _network_game_info.calendar_date = TimerGameCalendar::date;
171 _network_game_info.ticks_playing = TimerGameTick::counter;
172 return _network_game_info;
173}
174
183static void HandleIncomingNetworkGameInfoGRFConfig(GRFConfig *config, std::string_view name)
184{
185 /* Find the matching GRF file */
186 const GRFConfig *f = FindGRFConfig(config->ident.grfid, FGCM_EXACT, &config->ident.md5sum);
187 if (f == nullptr) {
188 AddGRFTextToList(config->name, name.empty() ? GetString(STR_CONFIG_ERROR_INVALID_GRF_UNKNOWN) : name);
189 config->status = GCS_NOT_FOUND;
190 } else {
191 config->filename = f->filename;
192 config->name = f->name;
193 config->info = f->info;
194 config->url = f->url;
195 }
196 SetBit(config->flags, GCF_COPY);
197}
198
204void SerializeNetworkGameInfo(Packet &p, const NetworkServerGameInfo &info, bool send_newgrf_names)
205{
206 p.Send_uint8 (NETWORK_GAME_INFO_VERSION);
207
208 /*
209 * Please observe the order.
210 * The parts must be read in the same order as they are sent!
211 */
212
213 /* Update the documentation in game_info.h on changes
214 * to the NetworkGameInfo wire-protocol! */
215
216 /* NETWORK_GAME_INFO_VERSION = 7 */
217 p.Send_uint64(info.ticks_playing);
218
219 /* NETWORK_GAME_INFO_VERSION = 6 */
220 p.Send_uint8(send_newgrf_names ? NST_GRFID_MD5_NAME : NST_GRFID_MD5);
221
222 /* NETWORK_GAME_INFO_VERSION = 5 */
223 GameInfo *game_info = Game::GetInfo();
224 p.Send_uint32(game_info == nullptr ? -1 : (uint32_t)game_info->GetVersion());
225 p.Send_string(game_info == nullptr ? "" : game_info->GetName());
226
227 /* NETWORK_GAME_INFO_VERSION = 4 */
228 {
229 /* Only send the GRF Identification (GRF_ID and MD5 checksum) of
230 * the GRFs that are needed, i.e. the ones that the server has
231 * selected in the NewGRF GUI and not the ones that are used due
232 * to the fact that they are in [newgrf-static] in openttd.cfg */
233 const GRFConfig *c;
234 uint count = 0;
235
236 /* Count number of GRFs to send information about */
237 for (c = info.grfconfig; c != nullptr; c = c->next) {
238 if (!HasBit(c->flags, GCF_STATIC)) count++;
239 }
240 p.Send_uint8 (count); // Send number of GRFs
241
242 /* Send actual GRF Identifications */
243 for (c = info.grfconfig; c != nullptr; c = c->next) {
244 if (HasBit(c->flags, GCF_STATIC)) continue;
245
246 SerializeGRFIdentifier(p, c->ident);
247 if (send_newgrf_names) p.Send_string(c->GetName());
248 }
249 }
250
251 /* NETWORK_GAME_INFO_VERSION = 3 */
252 p.Send_uint32(info.calendar_date.base());
253 p.Send_uint32(info.calendar_start.base());
254
255 /* NETWORK_GAME_INFO_VERSION = 2 */
256 p.Send_uint8 (info.companies_max);
257 p.Send_uint8 (info.companies_on);
258 p.Send_uint8 (info.clients_max); // Used to be max-spectators
259
260 /* NETWORK_GAME_INFO_VERSION = 1 */
261 p.Send_string(info.server_name);
262 p.Send_string(info.server_revision);
263 p.Send_bool (info.use_password);
264 p.Send_uint8 (info.clients_max);
265 p.Send_uint8 (info.clients_on);
266 p.Send_uint8 (info.spectators_on);
267 p.Send_uint16(info.map_width);
268 p.Send_uint16(info.map_height);
269 p.Send_uint8 (info.landscape);
270 p.Send_bool (info.dedicated);
271}
272
278void DeserializeNetworkGameInfo(Packet &p, NetworkGameInfo &info, const GameInfoNewGRFLookupTable *newgrf_lookup_table)
279{
280 uint8_t game_info_version = p.Recv_uint8();
281 NewGRFSerializationType newgrf_serialisation = NST_GRFID_MD5;
282
283 /*
284 * Please observe the order.
285 * The parts must be read in the same order as they are sent!
286 */
287
288 /* Update the documentation in game_info.h on changes
289 * to the NetworkGameInfo wire-protocol! */
290
291 switch (game_info_version) {
292 case 7:
293 info.ticks_playing = p.Recv_uint64();
294 [[fallthrough]];
295
296 case 6:
297 newgrf_serialisation = (NewGRFSerializationType)p.Recv_uint8();
298 if (newgrf_serialisation >= NST_END) return;
299 [[fallthrough]];
300
301 case 5: {
302 info.gamescript_version = (int)p.Recv_uint32();
303 info.gamescript_name = p.Recv_string(NETWORK_NAME_LENGTH);
304 [[fallthrough]];
305 }
306
307 case 4: {
308 /* Ensure that the maximum number of NewGRFs and the field in the network
309 * protocol are matched to eachother. If that is not the case anymore a
310 * check must be added to ensure the received data is still valid. */
311 static_assert(std::numeric_limits<uint8_t>::max() == NETWORK_MAX_GRF_COUNT);
312 uint num_grfs = p.Recv_uint8();
313
314 GRFConfig **dst = &info.grfconfig;
315 for (uint i = 0; i < num_grfs; i++) {
316 NamedGRFIdentifier grf;
317 switch (newgrf_serialisation) {
318 case NST_GRFID_MD5:
319 DeserializeGRFIdentifier(p, grf.ident);
320 break;
321
322 case NST_GRFID_MD5_NAME:
323 DeserializeGRFIdentifierWithName(p, grf);
324 break;
325
326 case NST_LOOKUP_ID: {
327 if (newgrf_lookup_table == nullptr) return;
328 auto it = newgrf_lookup_table->find(p.Recv_uint32());
329 if (it == newgrf_lookup_table->end()) return;
330 grf = it->second;
331 break;
332 }
333
334 default:
335 NOT_REACHED();
336 }
337
338 GRFConfig *c = new GRFConfig();
339 c->ident = grf.ident;
340 HandleIncomingNetworkGameInfoGRFConfig(c, grf.name);
341
342 /* Append GRFConfig to the list */
343 *dst = c;
344 dst = &c->next;
345 }
346 [[fallthrough]];
347 }
348
349 case 3:
350 info.calendar_date = Clamp(p.Recv_uint32(), 0, CalendarTime::MAX_DATE.base());
351 info.calendar_start = Clamp(p.Recv_uint32(), 0, CalendarTime::MAX_DATE.base());
352 [[fallthrough]];
353
354 case 2:
355 info.companies_max = p.Recv_uint8 ();
356 info.companies_on = p.Recv_uint8 ();
357 p.Recv_uint8(); // Used to contain max-spectators.
358 [[fallthrough]];
359
360 case 1:
361 info.server_name = p.Recv_string(NETWORK_NAME_LENGTH);
362 info.server_revision = p.Recv_string(NETWORK_REVISION_LENGTH);
363 if (game_info_version < 6) p.Recv_uint8 (); // Used to contain server-lang.
364 info.use_password = p.Recv_bool ();
365 info.clients_max = p.Recv_uint8 ();
366 info.clients_on = p.Recv_uint8 ();
367 info.spectators_on = p.Recv_uint8 ();
368 if (game_info_version < 3) { // 16 bits dates got scrapped and are read earlier
369 info.calendar_date = p.Recv_uint16() + CalendarTime::DAYS_TILL_ORIGINAL_BASE_YEAR;
370 info.calendar_start = p.Recv_uint16() + CalendarTime::DAYS_TILL_ORIGINAL_BASE_YEAR;
371 }
372 if (game_info_version < 6) while (p.Recv_uint8() != 0) {} // Used to contain the map-name.
373 info.map_width = p.Recv_uint16();
374 info.map_height = p.Recv_uint16();
375 info.landscape = p.Recv_uint8 ();
376 info.dedicated = p.Recv_bool ();
377
378 if (info.landscape >= NUM_LANDSCAPE) info.landscape = 0;
379 }
380
381 /* For older servers, estimate the ticks running based on the calendar date. */
382 if (game_info_version < 7) {
383 info.ticks_playing = static_cast<uint64_t>(std::max(0, info.calendar_date.base() - info.calendar_start.base())) * Ticks::DAY_TICKS;
384 }
385}
386
392void SerializeGRFIdentifier(Packet &p, const GRFIdentifier &grf)
393{
394 p.Send_uint32(grf.grfid);
395 p.Send_bytes(grf.md5sum);
396}
397
403void DeserializeGRFIdentifier(Packet &p, GRFIdentifier &grf)
404{
405 grf.grfid = p.Recv_uint32();
406 p.Recv_bytes(grf.md5sum);
407}
408
414void DeserializeGRFIdentifierWithName(Packet &p, NamedGRFIdentifier &grf)
415{
416 DeserializeGRFIdentifier(p, grf.ident);
417 grf.name = p.Recv_string(NETWORK_GRF_NAME_LENGTH);
418}
HasBit
debug_inline constexpr bool HasBit(const T x, const uint8_t y)
Checks if a bit in a value is set.
Definition bitmath_func.hpp:103
SetBit
constexpr T SetBit(T &x, const uint8_t y)
Set a bit in a variable.
Definition bitmath_func.hpp:121
GameInfo
All static information from an Game like name, version, etc.
Definition game_info.hpp:16
Game::GetInfo
static class GameInfo * GetInfo()
Get the current GameInfo.
Definition game.hpp:75
Ticks::DAY_TICKS
static constexpr TimerGameTick::Ticks DAY_TICKS
1 day is 74 ticks; TimerGameCalendar::date_fract used to be uint16_t and incremented by 885.
Definition timer_game_tick.h:75
TimerGameCalendar::ConvertYMDToDate
static Date ConvertYMDToDate(Year year, Month month, Day day)
Converts a tuple of Year, Month and Day to a Date.
Definition timer_game_calendar.cpp:55
TimerGameCalendar::date
static Date date
Current date in days (day counter).
Definition timer_game_calendar.h:33
TimerGameConst< struct Calendar >::MAX_DATE
static constexpr TimerGame< struct Calendar >::Date MAX_DATE
The date of the last day of the max year.
Definition timer_game_common.h:187
TimerGameConst< struct Calendar >::DAYS_TILL_ORIGINAL_BASE_YEAR
static constexpr TimerGame< struct Calendar >::Date DAYS_TILL_ORIGINAL_BASE_YEAR
The date of the first day of the original base year.
Definition timer_game_common.h:184
TimerGameTick::counter
static TickCounter counter
Monotonic counter, in ticks, since start of game.
Definition timer_game_tick.h:60
NETWORK_NAME_LENGTH
static const uint NETWORK_NAME_LENGTH
The maximum length of the server name and map name, in bytes including '\0'.
Definition config.h:53
NETWORK_GRF_NAME_LENGTH
static const uint NETWORK_GRF_NAME_LENGTH
Maximum length of the name of a GRF.
Definition config.h:73
NETWORK_MAX_GRF_COUNT
static const uint NETWORK_MAX_GRF_COUNT
Maximum number of GRFs that can be sent.
Definition config.h:90
NETWORK_REVISION_LENGTH
static const uint NETWORK_REVISION_LENGTH
The maximum length of the revision, in bytes including '\0'.
Definition config.h:56
NETWORK_GAME_INFO_VERSION
static const uint8_t NETWORK_GAME_INFO_VERSION
What version of game-info do we use?
Definition config.h:49
Debug
#define Debug(category, level, format_string,...)
Ouptut a line of debugging information.
Definition debug.h:37
Clamp
constexpr T Clamp(const T a, const T min, const T max)
Clamp a value between an interval.
Definition math_func.hpp:79
_network_dedicated
bool _network_dedicated
are we a dedicated server?
Definition network.cpp:68
_grfconfig
GRFConfig * _grfconfig
First item in list of current GRF set up.
Definition newgrf_config.cpp:157
FindGRFConfig
const GRFConfig * FindGRFConfig(uint32_t grfid, FindGRFConfigMode mode, const MD5Hash *md5sum, uint32_t desired_version)
Find a NewGRF in the scanned list.
Definition newgrf_config.cpp:670
GCF_STATIC
@ GCF_STATIC
GRF file is used statically (can be used in any MP game)
Definition newgrf_config.h:24
GCF_COPY
@ GCF_COPY
The data is copied from a grf in _all_grfs.
Definition newgrf_config.h:26
GCS_NOT_FOUND
@ GCS_NOT_FOUND
GRF file was not found in the local cache.
Definition newgrf_config.h:36
FGCM_EXACT
@ FGCM_EXACT
Only find Grfs matching md5sum.
Definition newgrf_config.h:203
AddGRFTextToList
static void AddGRFTextToList(GRFTextList &list, uint8_t langid, std::string_view text_to_add)
Add a new text to a GRFText list.
Definition newgrf_text.cpp:485
packet.h
Basic functions to create, fill and read packets.
_settings_game
GameSettings _settings_game
Game settings of a running game or the scenario editor.
Definition settings.cpp:57
_settings_client
ClientSettings _settings_client
The current settings for this game.
Definition settings.cpp:56
GetString
std::string GetString(StringID string)
Resolve the given StringID into a std::string with all the associated DParam lookups and formatting.
Definition strings.cpp:333
ClientSettings::network
NetworkSettings network
settings related to the network
Definition settings_type.h:611
GRFConfig
Information about GRF, used in the game and (part of it) in savegames.
Definition newgrf_config.h:154
GRFConfig::url
GRFTextWrapper url
NOSAVE: URL belonging to this GRF.
Definition newgrf_config.h:168
GRFConfig::flags
uint8_t flags
NOSAVE: GCF_Flags, bitset.
Definition newgrf_config.h:173
GRFConfig::info
GRFTextWrapper info
NOSAVE: GRF info (author, copyright, ...) (Action 0x08)
Definition newgrf_config.h:167
GRFConfig::name
GRFTextWrapper name
NOSAVE: GRF name (Action 0x08)
Definition newgrf_config.h:166
GRFConfig::next
struct GRFConfig * next
NOSAVE: Next item in the linked list.
Definition newgrf_config.h:182
GRFConfig::status
GRFStatus status
NOSAVE: GRFStatus, enum.
Definition newgrf_config.h:174
GRFConfig::filename
std::string filename
Filename - either with or without full path.
Definition newgrf_config.h:165
GRFConfig::ident
GRFIdentifier ident
grfid and md5sum to uniquely identify newgrfs
Definition newgrf_config.h:163
GRFConfig::GetName
const char * GetName() const
Get the name of this grf.
Definition newgrf_config.cpp:92
GRFIdentifier
Basic data to distinguish a GRF.
Definition newgrf_config.h:82
GRFIdentifier::grfid
uint32_t grfid
GRF ID (defined by Action 0x08)
Definition newgrf_config.h:83
GRFIdentifier::md5sum
MD5Hash md5sum
MD5 checksum of file to distinguish files with the same GRF ID (eg. newer version of GRF)
Definition newgrf_config.h:84
GameCreationSettings::landscape
uint8_t landscape
the landscape we're currently in
Definition settings_type.h:368
GameCreationSettings::starting_year
TimerGameCalendar::Year starting_year
starting date
Definition settings_type.h:353
GameSettings::game_creation
GameCreationSettings game_creation
settings used during the creation of a game (map)
Definition settings_type.h:593
Map::SizeY
static uint SizeY()
Get the size of the map along the Y.
Definition map_func.h:279
Map::SizeX
static debug_inline uint SizeX()
Get the size of the map along the X.
Definition map_func.h:270
NamedGRFIdentifier
Container to hold the GRF identifier (GRF ID + MD5 checksum) and the name associated with that NewGRF...
Definition network_game_info.h:130
NamedGRFIdentifier::name
std::string name
The name of the NewGRF.
Definition network_game_info.h:132
NamedGRFIdentifier::ident
GRFIdentifier ident
The unique identifier of the NewGRF.
Definition network_game_info.h:131
NetworkGameInfo
The game information that is sent from the server to the clients with extra information only required...
Definition network_game_info.h:121
NetworkGameInfo::version_compatible
bool version_compatible
Can we connect to this server or not? (based on server_revision)
Definition network_game_info.h:122
NetworkGameInfo::compatible
bool compatible
Can we connect to this server or not? (based on server_revision and grf_match.
Definition network_game_info.h:123
NetworkServerGameInfo
The game information that is sent from the server to the client.
Definition network_game_info.h:96
NetworkServerGameInfo::calendar_start
TimerGameCalendar::Date calendar_start
When the game started.
Definition network_game_info.h:98
NetworkServerGameInfo::dedicated
bool dedicated
Is this a dedicated server?
Definition network_game_info.h:105
NetworkServerGameInfo::server_revision
std::string server_revision
The version number the server is using (e.g.: 'r304' or 0.5.0)
Definition network_game_info.h:104
NetworkServerGameInfo::use_password
bool use_password
Is this server passworded?
Definition network_game_info.h:106
NetworkServerGameInfo::clients_max
uint8_t clients_max
Max clients allowed on server.
Definition network_game_info.h:108
NetworkServerGameInfo::spectators_on
uint8_t spectators_on
How many spectators do we have?
Definition network_game_info.h:111
NetworkServerGameInfo::map_height
uint16_t map_height
Map height.
Definition network_game_info.h:102
NetworkServerGameInfo::server_name
std::string server_name
Server name.
Definition network_game_info.h:103
NetworkServerGameInfo::map_width
uint16_t map_width
Map width.
Definition network_game_info.h:101
NetworkServerGameInfo::ticks_playing
TimerGameTick::TickCounter ticks_playing
Amount of ticks the game has been running unpaused.
Definition network_game_info.h:100
NetworkServerGameInfo::grfconfig
GRFConfig * grfconfig
List of NewGRF files used.
Definition network_game_info.h:97
NetworkServerGameInfo::landscape
uint8_t landscape
The used landscape.
Definition network_game_info.h:112
NetworkServerGameInfo::companies_max
uint8_t companies_max
Max companies allowed on server.
Definition network_game_info.h:110
NetworkServerGameInfo::gamescript_name
std::string gamescript_name
Name of the gamescript.
Definition network_game_info.h:114
NetworkServerGameInfo::calendar_date
TimerGameCalendar::Date calendar_date
Current calendar date.
Definition network_game_info.h:99
NetworkServerGameInfo::gamescript_version
int gamescript_version
Version of the gamescript.
Definition network_game_info.h:113
NetworkServerGameInfo::companies_on
uint8_t companies_on
How many started companies do we have.
Definition network_game_info.h:109
NetworkServerGameInfo::clients_on
uint8_t clients_on
Current count of clients on server.
Definition network_game_info.h:107
NetworkSettings::max_clients
uint8_t max_clients
maximum amount of clients
Definition settings_type.h:338
NetworkSettings::max_companies
uint8_t max_companies
maximum amount of companies
Definition settings_type.h:337
NetworkSettings::server_name
std::string server_name
name of the server
Definition settings_type.h:322
NetworkSettings::server_password
std::string server_password
password for joining this server
Definition settings_type.h:323
Packet
Internal entity of a packet.
Definition packet.h:42
Packet::Recv_uint16
uint16_t Recv_uint16()
Read a 16 bits integer from the packet.
Definition packet.cpp:332
Packet::Recv_bytes
size_t Recv_bytes(std::span< uint8_t > span)
Extract at most the length of the span bytes from the packet into the span.
Definition packet.cpp:403
Packet::Recv_uint64
uint64_t Recv_uint64()
Read a 64 bits integer from the packet.
Definition packet.cpp:364
Packet::Recv_bool
bool Recv_bool()
Read a boolean from the packet.
Definition packet.cpp:309
Packet::Recv_uint32
uint32_t Recv_uint32()
Read a 32 bits integer from the packet.
Definition packet.cpp:347
Packet::Send_bool
void Send_bool(bool data)
Package a boolean in the packet.
Definition packet.cpp:111
Packet::Send_bytes
std::span< const uint8_t > Send_bytes(const std::span< const uint8_t > span)
Send as many of the bytes as possible in the packet.
Definition packet.cpp:197
Packet::Recv_uint8
uint8_t Recv_uint8()
Read a 8 bits integer from the packet.
Definition packet.cpp:318
Packet::Send_uint8
void Send_uint8(uint8_t data)
Package a 8 bits integer in the packet.
Definition packet.cpp:120
Packet::Send_uint32
void Send_uint32(uint32_t data)
Package a 32 bits integer in the packet.
Definition packet.cpp:141
Packet::Send_uint16
void Send_uint16(uint16_t data)
Package a 16 bits integer in the packet.
Definition packet.cpp:130
Packet::Recv_string
std::string Recv_string(size_t length, StringValidationSettings settings=SVS_REPLACE_WITH_QUESTION_MARK)
Reads characters (bytes) from the packet until it finds a '\0', or reaches a maximum of length charac...
Definition packet.cpp:425
Packet::Send_string
void Send_string(const std::string_view data)
Sends a string over the network.
Definition packet.cpp:172
Packet::Send_uint64
void Send_uint64(uint64_t data)
Package a 64 bits integer in the packet.
Definition packet.cpp:154
Pool::PoolItem<&_company_pool >::GetNumItems
static size_t GetNumItems()
Returns number of valid items in the pool.
Definition pool_type.hpp:369