-
Notifications
You must be signed in to change notification settings - Fork 845
/
PreGame.cpp
491 lines (402 loc) · 14.6 KB
/
PreGame.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include <map>
#include <SDL_keysym.h>
#include <set>
#include <cfloat>
#include "PreGame.h"
#include "ClientSetup.h"
#include "System/Sync/FPUCheck.h"
#include "Game.h"
#include "GameData.h"
#include "GameSetup.h"
#include "GameVersion.h"
#include "GlobalUnsynced.h"
#include "LoadScreen.h"
#include "Game/Players/Player.h"
#include "Game/Players/PlayerHandler.h"
#include "Net/GameServer.h"
#include "System/TimeProfiler.h"
#include "UI/InfoConsole.h"
#include "Map/Generation/SimpleMapGenerator.h"
#include "aGui/Gui.h"
#include "ExternalAI/SkirmishAIHandler.h"
#include "Menu/SelectMenu.h"
#include "Rendering/glFont.h"
#include "Sim/Misc/GlobalSynced.h"
#include "Sim/Misc/GlobalConstants.h"
#include "Sim/Misc/TeamHandler.h"
#include "System/Config/ConfigHandler.h"
#include "System/Exceptions.h"
#include "Net/Protocol/NetProtocol.h"
#include "System/TdfParser.h"
#include "System/Input/KeyInput.h"
#include "System/FileSystem/ArchiveScanner.h"
#include "System/FileSystem/FileHandler.h"
#include "System/FileSystem/FileSystem.h"
#include "System/FileSystem/VFSHandler.h"
#include "System/LoadSave/DemoRecorder.h"
#include "System/LoadSave/DemoReader.h"
#include "System/LoadSave/LoadSaveHandler.h"
#include "System/Log/ILog.h"
#include "System/Net/RawPacket.h"
#include "System/Net/UnpackPacket.h"
#include "System/Platform/errorhandler.h"
#include "lib/luasocket/src/restrictions.h"
using netcode::RawPacket;
using std::string;
CONFIG(bool, DemoFromDemo).defaultValue(false);
CPreGame* pregame = NULL;
extern SelectMenu* selectMenu;
CPreGame::CPreGame(const ClientSetup* setup) :
settings(setup),
savefile(NULL),
timer(spring_gettime()),
wantDemo(true)
{
net = new CNetProtocol();
activeController = this;
if (!settings->isHost) {
//don't allow luasocket to connect to the host
luaSocketRestrictions->addRule(CLuaSocketRestrictions::UDP_CONNECT, settings->hostIP, settings->hostPort, false);
net->InitClient(settings->hostIP.c_str(), settings->hostPort, settings->myPlayerName, settings->myPasswd, SpringVersion::GetFull());
} else {
net->InitLocalClient();
}
}
CPreGame::~CPreGame()
{
// don't delete infoconsole, its beeing reused by CGame
agui::gui->Draw(); // delete leftover gui elements (remove once the gui is drawn ingame)
selectMenu = NULL;
pregame = NULL;
}
void CPreGame::LoadSetupscript(const std::string& script)
{
assert(settings->isHost);
StartServer(script);
}
void CPreGame::LoadDemo(const std::string& demo)
{
assert(settings->isHost);
if (!configHandler->GetBool("DemoFromDemo"))
wantDemo = false;
ReadDataFromDemo(demo);
}
void CPreGame::LoadSavefile(const std::string& save)
{
assert(settings->isHost);
savefile = ILoadSaveHandler::Create();
savefile->LoadGameStartInfo(save.c_str());
StartServer(savefile->scriptText);
}
int CPreGame::KeyPressed(unsigned short k,bool isRepeat)
{
if (k == SDLK_ESCAPE) {
if (keyInput->IsKeyPressed(SDLK_LSHIFT)) {
LOG("User exited");
gu->globalQuit = true;
} else {
LOG("Use shift-esc to quit");
}
}
return 0;
}
bool CPreGame::Draw()
{
spring_msecs(10).sleep();
ClearScreen();
agui::gui->Draw();
font->Begin();
if (!net->Connected())
{
if (settings->isHost)
font->glFormat(0.5f, 0.48f, 2.0f, FONT_CENTER | FONT_SCALE | FONT_NORM, "Waiting for server to start");
else
{
font->glFormat(0.5f, 0.48f, 2.0f, FONT_CENTER | FONT_SCALE | FONT_NORM, "Connecting to server (%d s)", (spring_gettime() - timer).toMilliSecsf());
}
}
else
{
font->glPrint(0.5f, 0.48f, 2.0f, FONT_CENTER | FONT_SCALE | FONT_NORM, "Waiting for server response");
}
font->glFormat(0.60f, 0.40f, 1.0f, FONT_SCALE | FONT_NORM, "Connecting to: %s", net->ConnectionStr().c_str());
font->glFormat(0.60f, 0.35f, 1.0f, FONT_SCALE | FONT_NORM, "User name: %s", settings->myPlayerName.c_str());
font->glFormat(0.5f,0.25f,0.8f,FONT_CENTER | FONT_SCALE | FONT_NORM, "Press SHIFT + ESC to quit");
// credits
font->glFormat(0.5f,0.06f,1.0f,FONT_CENTER | FONT_SCALE | FONT_NORM, "Spring %s", SpringVersion::GetFull().c_str());
font->glPrint(0.5f,0.02f,0.6f,FONT_CENTER | FONT_SCALE | FONT_NORM, "This program is distributed under the GNU General Public License, see license.html for more info");
font->End();
return true;
}
bool CPreGame::Update()
{
ENTER_SYNCED_CODE();
good_fpu_control_registers("CPreGame::Update");
net->Update();
UpdateClientNet();
LEAVE_SYNCED_CODE();
return true;
}
void CPreGame::StartServer(const std::string& setupscript)
{
assert(!gameServer);
ScopedOnceTimer startserver("PreGame::StartServer");
GameData* startupData = new GameData();
CGameSetup* setup = new CGameSetup();
setup->Init(setupscript);
startupData->SetRandomSeed(static_cast<unsigned>(gu->RandInt()));
if (setup->mapName.empty()) {
throw content_error("No map selected in startscript");
}
if (setup->mapSeed != 0) {
CSimpleMapGenerator gen(setup);
gen.Generate();
}
// We must map the map into VFS this early, because server needs the start positions.
// Take care that MapInfo isn't loaded here, as map options aren't available to it yet.
vfsHandler->AddArchiveWithDeps(setup->mapName, false);
// Loading the start positions executes the map's Lua.
// This means start positions can NOT be influenced by map options.
// (Which is OK, since unitsync does not have map options available either.)
setup->LoadStartPositions();
const std::string& modArchive = archiveScanner->ArchiveFromName(setup->modName);
const std::string& mapArchive = archiveScanner->ArchiveFromName(setup->mapName);
startupData->SetModChecksum(archiveScanner->GetArchiveCompleteChecksum(modArchive));
startupData->SetMapChecksum(archiveScanner->GetArchiveCompleteChecksum(mapArchive));
good_fpu_control_registers("before CGameServer creation");
startupData->SetSetup(setup->gameSetupText);
gameServer = new CGameServer(settings->hostIP, settings->hostPort, startupData, setup);
delete startupData;
gameServer->AddLocalClient(settings->myPlayerName, SpringVersion::GetFull());
good_fpu_control_registers("after CGameServer creation");
}
void CPreGame::UpdateClientNet()
{
if (net->CheckTimeout(0, true)) {
LOG_L(L_WARNING, "Server not reachable");
SetExitCode(1);
gu->globalQuit = true;
return;
}
boost::shared_ptr<const RawPacket> packet;
while ((packet = net->GetData(gs->frameNum))) {
const unsigned char* inbuf = packet->data;
if (packet->length <= 0) {
LOG_L(L_WARNING, "[CPreGame::%s] zero-length packet (header: %i)", __FUNCTION__, inbuf[0]);
continue;
}
switch (inbuf[0]) {
case NETMSG_QUIT: {
try {
netcode::UnpackPacket pckt(packet, 3);
std::string message;
pckt >> message;
LOG("%s", message.c_str());
handleerror(NULL, "Remote requested quit: " + message, "Quit message", MBF_OK | MBF_EXCL);
} catch (const netcode::UnpackPacketException& ex) {
LOG_L(L_ERROR, "Got invalid QuitMessage: %s", ex.what());
}
break;
}
case NETMSG_CREATE_NEWPLAYER: {
// server will send this first if we're using mid-game join
// feature, to let us know about ourselves (we won't be in
// gamedata), otherwise skip to gamedata
try {
netcode::UnpackPacket pckt(packet, 3);
unsigned char spectator, team, playerNum;
std::string name;
// since the >> operator uses dest size to extract data from
// the packet, we need to use temp variables of the same
// size of the packet, before converting to dest variable
pckt >> playerNum;
pckt >> spectator;
pckt >> team;
pckt >> name;
CPlayer player;
player.name = name;
player.spectator = spectator;
player.team = team;
player.playerNum = playerNum;
// add ourself, to avoid crashing if our player num gets
// queried we will receive the same message later, in the
// game class, which is the global broadcast version
// the global broadcast will overwrite the user with the
// same values as here
playerHandler->AddPlayer(player);
} catch (const netcode::UnpackPacketException& ex) {
LOG_L(L_ERROR, "Got invalid New player message: %s", ex.what());
}
break;
}
case NETMSG_GAMEDATA: {
// server first sends this to let us know about teams, allyteams
// etc.
// (not if we are joining mid-game as extra players)
// see NETMSG_SETPLAYERNUM
if (gameSetup)
throw content_error("Duplicate game data received from server");
GameDataReceived(packet);
break;
}
case NETMSG_SETPLAYERNUM: {
// this is sent after NETMSG_GAMEDATA, to let us know which
// playernum we have
if (!gameSetup)
throw content_error("No game data received from server");
unsigned char playerNum = packet->data[1];
if (!playerHandler->IsValidPlayer(playerNum))
throw content_error("Invalid player number received from server");
gu->SetMyPlayer(playerNum);
LOG("User number %i (team %i, allyteam %i)",
gu->myPlayerNum, gu->myTeam, gu->myAllyTeam);
CLoadScreen::CreateInstance(gameSetup->MapFile(), modArchive, savefile);
pregame = NULL;
delete this;
return;
}
default: {
LOG_L(L_WARNING, "[CPreGame::%s] unknown packet type (header: %i)", __FUNCTION__, inbuf[0]);
break;
}
}
}
}
void CPreGame::ReadDataFromDemo(const std::string& demoName)
{
ScopedOnceTimer startserver("PreGame::ReadDataFromDemo");
assert(!gameServer);
LOG("Pre-scanning demo file for game data...");
CDemoReader scanner(demoName, 0);
boost::shared_ptr<const RawPacket> buf(scanner.GetData(static_cast<float>(FLT_MAX)));
while (buf) {
if (buf->data[0] == NETMSG_GAMEDATA) {
GameData* data = NULL;
try {
data = new GameData(boost::shared_ptr<const RawPacket>(buf));
} catch (const netcode::UnpackPacketException& ex) {
throw content_error(std::string("Demo contains invalid GameData: ") + ex.what());
}
CGameSetup* demoScript = new CGameSetup();
if (!demoScript->Init(data->GetSetup())) {
throw content_error("Demo contains incorrect script");
}
// modify the startscriptscript so it can be used to watch the demo
TdfParser script(data->GetSetup().c_str(), data->GetSetup().size());
TdfParser::TdfSection* tgame = script.GetRootSection()->sections["game"];
tgame->AddPair("MapName", demoScript->mapName);
tgame->AddPair("Gametype", demoScript->modName);
tgame->AddPair("Demofile", demoName);
tgame->AddPair("OnlyLocal", 1);
for (std::map<std::string, TdfParser::TdfSection*>::iterator it = tgame->sections.begin(); it != tgame->sections.end(); ++it) {
if (it->first.size() > 6 && it->first.substr(0, 6) == "player") {
it->second->AddPair("isfromdemo", 1);
}
}
// add local spectator (and assert we didn't already have MAX_PLAYERS players)
int myPlayerNum;
string playerStr;
for (myPlayerNum = MAX_PLAYERS - 1; myPlayerNum >= 0; --myPlayerNum) {
char section[50];
sprintf(section, "game\\player%i", myPlayerNum);
string s(section);
if (script.SectionExist(s)) {
++myPlayerNum;
sprintf(section, "player%i", myPlayerNum);
playerStr = std::string(section);
break;
}
}
assert(!playerStr.empty());
TdfParser::TdfSection* me = tgame->construct_subsection(playerStr);
me->AddPair("name", settings->myPlayerName);
me->AddPair("spectator", 1);
tgame->AddPair("myplayername", settings->myPlayerName);
TdfParser::TdfSection* modopts = tgame->construct_subsection("MODOPTIONS");
modopts->AddPair("MaxSpeed", 20);
std::ostringstream buf;
script.print(buf);
data->SetSetup(buf.str());
CGameSetup* tempSetup = new CGameSetup();
if (!tempSetup->Init(buf.str())) {
throw content_error("Demo contains incorrect script");
}
LOG("Starting GameServer");
good_fpu_control_registers("before CGameServer creation");
gameServer = new CGameServer(settings->hostIP, settings->hostPort, data, tempSetup);
gameServer->AddLocalClient(settings->myPlayerName, SpringVersion::GetFull());
delete data;
good_fpu_control_registers("after CGameServer creation");
LOG("GameServer started");
break;
}
if (scanner.ReachedEnd()) {
throw content_error("End of demo reached and no game data found");
}
buf.reset(scanner.GetData(FLT_MAX));
}
assert(gameServer);
}
void CPreGame::GameDataReceived(boost::shared_ptr<const netcode::RawPacket> packet)
{
ScopedOnceTimer startserver("PreGame::GameDataReceived");
try {
gameData.reset(new GameData(packet));
} catch (const netcode::UnpackPacketException& ex) {
throw content_error(std::string("Server sent us invalid GameData: ") + ex.what());
}
CGameSetup* temp = new CGameSetup();
if (temp->Init(gameData->GetSetup())) {
if (settings->isHost) {
const std::string& setupTextStr = gameData->GetSetup();
std::fstream setupTextFile("_script.txt", std::ios::out);
setupTextFile.write(setupTextStr.c_str(), setupTextStr.size());
setupTextFile.close();
}
gameSetup = temp;
gu->LoadFromSetup(gameSetup);
gs->LoadFromSetup(gameSetup);
CPlayer::UpdateControlledTeams();
} else {
throw content_error("Server sent us incorrect script");
}
// some sanity checks
for (int p = 0; p < playerHandler->ActivePlayers(); ++p) {
const CPlayer* player = playerHandler->Player(p);
if (!playerHandler->IsValidPlayer(player->playerNum)) {
throw content_error("Invalid player in game data");
}
if (!teamHandler->IsValidTeam(player->team)) {
throw content_error("Invalid team in game data");
}
if (!teamHandler->IsValidAllyTeam(teamHandler->AllyTeam(player->team))) { // TODO: seems not to make sense really
throw content_error("Invalid ally team in game data");
}
}
gs->SetRandSeed(gameData->GetRandomSeed(), true);
LOG("Using map: %s", gameSetup->mapName.c_str());
vfsHandler->AddArchiveWithDeps(gameSetup->mapName, false);
try {
archiveScanner->CheckArchive(gameSetup->mapName, gameData->GetMapChecksum());
} catch (const content_error& ex) {
LOG_L(L_WARNING, "Incompatible map-checksum: %s", ex.what());
}
LOG("Using game: %s", gameSetup->modName.c_str());
vfsHandler->AddArchiveWithDeps(gameSetup->modName, false);
modArchive = archiveScanner->ArchiveFromName(gameSetup->modName);
LOG("Using game archive: %s", modArchive.c_str());
try {
archiveScanner->CheckArchive(modArchive, gameData->GetModChecksum());
} catch (const content_error& ex) {
LOG_L(L_WARNING, "Incompatible game-checksum: %s", ex.what());
}
if (net != NULL && wantDemo) {
assert(net->GetDemoRecorder() == NULL);
CDemoRecorder* recorder = new CDemoRecorder(gameSetup->mapName, gameSetup->modName);
recorder->WriteSetupText(gameData->GetSetup());
recorder->SaveToDemo(packet->data, packet->length, net->GetPacketTime(gs->frameNum));
net->SetDemoRecorder(recorder);
LOG("recording demo: %s", (recorder->GetName()).c_str());
}
}