1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/core/HalfLife2.cpp Sun Jul 06 04:49:55 2008 +0000
1.3 @@ -0,0 +1,541 @@
1.4 +/**
1.5 + * vim: set ts=4 :
1.6 + * =============================================================================
1.7 + * SourceMod
1.8 + * Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
1.9 + * =============================================================================
1.10 + *
1.11 + * This program is free software; you can redistribute it and/or modify it under
1.12 + * the terms of the GNU General Public License, version 3.0, as published by the
1.13 + * Free Software Foundation.
1.14 + *
1.15 + * This program is distributed in the hope that it will be useful, but WITHOUT
1.16 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
1.17 + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
1.18 + * details.
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License along with
1.21 + * this program. If not, see <http://www.gnu.org/licenses/>.
1.22 + *
1.23 + * As a special exception, AlliedModders LLC gives you permission to link the
1.24 + * code of this program (as well as its derivative works) to "Half-Life 2," the
1.25 + * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
1.26 + * by the Valve Corporation. You must obey the GNU General Public License in
1.27 + * all respects for all other code used. Additionally, AlliedModders LLC grants
1.28 + * this exception to all derivative works. AlliedModders LLC defines further
1.29 + * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
1.30 + * or <http://www.sourcemod.net/license.php>.
1.31 + *
1.32 + * Version: $Id$
1.33 + */
1.34 +
1.35 +#include "HalfLife2.h"
1.36 +#include "sourcemod.h"
1.37 +#include "sourcemm_api.h"
1.38 +#include "UserMessages.h"
1.39 +#include "PlayerManager.h"
1.40 +#include "sm_stringutil.h"
1.41 +#include "GameConfigs.h"
1.42 +#include <compat_wrappers.h>
1.43 +
1.44 +CHalfLife2 g_HL2;
1.45 +ConVar *sv_lan = NULL;
1.46 +
1.47 +namespace SourceHook
1.48 +{
1.49 + template<>
1.50 + int HashFunction<datamap_t *>(datamap_t * const &k)
1.51 + {
1.52 + return reinterpret_cast<int>(k);
1.53 + }
1.54 +
1.55 + template<>
1.56 + int Compare<datamap_t *>(datamap_t * const &k1, datamap_t * const &k2)
1.57 + {
1.58 + return (k1-k2);
1.59 + }
1.60 +}
1.61 +
1.62 +CHalfLife2::CHalfLife2()
1.63 +{
1.64 + m_pClasses = sm_trie_create();
1.65 +}
1.66 +
1.67 +CHalfLife2::~CHalfLife2()
1.68 +{
1.69 + sm_trie_destroy(m_pClasses);
1.70 +
1.71 + List<DataTableInfo *>::iterator iter;
1.72 + DataTableInfo *pInfo;
1.73 + for (iter=m_Tables.begin(); iter!=m_Tables.end(); iter++)
1.74 + {
1.75 + pInfo = (*iter);
1.76 + delete pInfo;
1.77 + }
1.78 +
1.79 + m_Tables.clear();
1.80 +
1.81 + THash<datamap_t *, DataMapTrie>::iterator h_iter;
1.82 + for (h_iter=m_Maps.begin(); h_iter!=m_Maps.end(); h_iter++)
1.83 + {
1.84 + if (h_iter->val.trie)
1.85 + {
1.86 + sm_trie_destroy(h_iter->val.trie);
1.87 + h_iter->val.trie = NULL;
1.88 + }
1.89 + }
1.90 +
1.91 + m_Maps.clear();
1.92 +}
1.93 +
1.94 +CSharedEdictChangeInfo *g_pSharedChangeInfo = NULL;
1.95 +bool is_original_engine = false;
1.96 +
1.97 +void CHalfLife2::OnSourceModStartup(bool late)
1.98 +{
1.99 + /* The Ship currently is the only known game to use an older version of the engine */
1.100 +#if defined METAMOD_PLAPI_VERSION
1.101 + if (g_SMAPI->GetSourceEngineBuild() == SOURCE_ENGINE_ORIGINAL)
1.102 +#else
1.103 + if (strcasecmp(g_SourceMod.GetGameFolderName(), "ship") == 0)
1.104 +#endif
1.105 + {
1.106 + is_original_engine = true;
1.107 + }
1.108 + else if (g_pSharedChangeInfo == NULL)
1.109 + {
1.110 + g_pSharedChangeInfo = engine->GetSharedEdictChangeInfo();
1.111 + }
1.112 +}
1.113 +
1.114 +void CHalfLife2::OnSourceModAllInitialized()
1.115 +{
1.116 + m_MsgTextMsg = g_UserMsgs.GetMessageIndex("TextMsg");
1.117 + m_HinTextMsg = g_UserMsgs.GetMessageIndex("HintText");
1.118 + m_VGUIMenu = g_UserMsgs.GetMessageIndex("VGUIMenu");
1.119 + g_ShareSys.AddInterface(NULL, this);
1.120 +}
1.121 +
1.122 +#if !defined METAMOD_PLAPI_VERSION
1.123 +bool CHalfLife2::IsOriginalEngine()
1.124 +{
1.125 + return is_original_engine;
1.126 +}
1.127 +#endif
1.128 +
1.129 +IChangeInfoAccessor *CBaseEdict::GetChangeAccessor()
1.130 +{
1.131 + return engine->GetChangeAccessor( (const edict_t *)this );
1.132 +}
1.133 +
1.134 +bool UTIL_FindInSendTable(SendTable *pTable,
1.135 + const char *name,
1.136 + sm_sendprop_info_t *info,
1.137 + unsigned int offset)
1.138 +{
1.139 + const char *pname;
1.140 + int props = pTable->GetNumProps();
1.141 + SendProp *prop;
1.142 +
1.143 + for (int i=0; i<props; i++)
1.144 + {
1.145 + prop = pTable->GetProp(i);
1.146 + pname = prop->GetName();
1.147 + if (pname && strcmp(name, pname) == 0)
1.148 + {
1.149 + info->prop = prop;
1.150 + info->actual_offset = offset + info->prop->GetOffset();
1.151 + return true;
1.152 + }
1.153 + if (prop->GetDataTable())
1.154 + {
1.155 + if (UTIL_FindInSendTable(prop->GetDataTable(),
1.156 + name,
1.157 + info,
1.158 + offset + prop->GetOffset())
1.159 + )
1.160 + {
1.161 + return true;
1.162 + }
1.163 + }
1.164 + }
1.165 +
1.166 + return false;
1.167 +}
1.168 +
1.169 +typedescription_t *UTIL_FindInDataMap(datamap_t *pMap, const char *name)
1.170 +{
1.171 + while (pMap)
1.172 + {
1.173 + for (int i=0; i<pMap->dataNumFields; i++)
1.174 + {
1.175 + if (pMap->dataDesc[i].fieldName == NULL)
1.176 + {
1.177 + continue;
1.178 + }
1.179 + if (strcmp(name, pMap->dataDesc[i].fieldName) == 0)
1.180 + {
1.181 + return &(pMap->dataDesc[i]);
1.182 + }
1.183 + if (pMap->dataDesc[i].td)
1.184 + {
1.185 + typedescription_t *_td;
1.186 + if ((_td=UTIL_FindInDataMap(pMap->dataDesc[i].td, name)) != NULL)
1.187 + {
1.188 + return _td;
1.189 + }
1.190 + }
1.191 + }
1.192 + pMap = pMap->baseMap;
1.193 + }
1.194 +
1.195 + return NULL;
1.196 +}
1.197 +
1.198 +ServerClass *CHalfLife2::FindServerClass(const char *classname)
1.199 +{
1.200 + DataTableInfo *pInfo = _FindServerClass(classname);
1.201 +
1.202 + if (!pInfo)
1.203 + {
1.204 + return NULL;
1.205 + }
1.206 +
1.207 + return pInfo->sc;
1.208 +}
1.209 +
1.210 +DataTableInfo *CHalfLife2::_FindServerClass(const char *classname)
1.211 +{
1.212 + DataTableInfo *pInfo = NULL;
1.213 +
1.214 + if (!sm_trie_retrieve(m_pClasses, classname, (void **)&pInfo))
1.215 + {
1.216 + ServerClass *sc = gamedll->GetAllServerClasses();
1.217 + while (sc)
1.218 + {
1.219 + if (strcmp(classname, sc->GetName()) == 0)
1.220 + {
1.221 + pInfo = new DataTableInfo;
1.222 + pInfo->sc = sc;
1.223 + sm_trie_insert(m_pClasses, classname, pInfo);
1.224 + m_Tables.push_back(pInfo);
1.225 + break;
1.226 + }
1.227 + sc = sc->m_pNext;
1.228 + }
1.229 + if (!pInfo)
1.230 + {
1.231 + return NULL;
1.232 + }
1.233 + }
1.234 +
1.235 + return pInfo;
1.236 +}
1.237 +
1.238 +bool CHalfLife2::FindSendPropInfo(const char *classname, const char *offset, sm_sendprop_info_t *info)
1.239 +{
1.240 + DataTableInfo *pInfo;
1.241 + sm_sendprop_info_t *prop;
1.242 +
1.243 + if ((pInfo = _FindServerClass(classname)) == NULL)
1.244 + {
1.245 + return false;
1.246 + }
1.247 +
1.248 + if ((prop = pInfo->lookup.retrieve(offset)) == NULL)
1.249 + {
1.250 + sm_sendprop_info_t temp_info;
1.251 +
1.252 + if (!UTIL_FindInSendTable(pInfo->sc->m_pTable, offset, &temp_info, 0))
1.253 + {
1.254 + return false;
1.255 + }
1.256 +
1.257 + pInfo->lookup.insert(offset, temp_info);
1.258 + *info = temp_info;
1.259 + }
1.260 + else
1.261 + {
1.262 + *info = *prop;
1.263 + }
1.264 +
1.265 + return true;
1.266 +}
1.267 +
1.268 +SendProp *CHalfLife2::FindInSendTable(const char *classname, const char *offset)
1.269 +{
1.270 + sm_sendprop_info_t info;
1.271 +
1.272 + if (!FindSendPropInfo(classname, offset, &info))
1.273 + {
1.274 + return NULL;
1.275 + }
1.276 +
1.277 + return info.prop;
1.278 +}
1.279 +
1.280 +typedescription_t *CHalfLife2::FindInDataMap(datamap_t *pMap, const char *offset)
1.281 +{
1.282 + typedescription_t *td = NULL;
1.283 + DataMapTrie &val = m_Maps[pMap];
1.284 +
1.285 + if (!val.trie)
1.286 + {
1.287 + val.trie = sm_trie_create();
1.288 + }
1.289 + if (!sm_trie_retrieve(val.trie, offset, (void **)&td))
1.290 + {
1.291 + if ((td = UTIL_FindInDataMap(pMap, offset)) != NULL)
1.292 + {
1.293 + sm_trie_insert(val.trie, offset, td);
1.294 + }
1.295 + }
1.296 +
1.297 + return td;
1.298 +}
1.299 +
1.300 +void CHalfLife2::SetEdictStateChanged(edict_t *pEdict, unsigned short offset)
1.301 +{
1.302 + if (g_pSharedChangeInfo != NULL)
1.303 + {
1.304 + if (offset)
1.305 + {
1.306 + pEdict->StateChanged(offset);
1.307 + }
1.308 + else
1.309 + {
1.310 + pEdict->StateChanged();
1.311 + }
1.312 + }
1.313 + else
1.314 + {
1.315 + pEdict->m_fStateFlags |= FL_EDICT_CHANGED;
1.316 + }
1.317 +}
1.318 +
1.319 +bool CHalfLife2::TextMsg(int client, int dest, const char *msg)
1.320 +{
1.321 + bf_write *pBitBuf = NULL;
1.322 + cell_t players[] = {client};
1.323 +
1.324 + if ((pBitBuf = g_UserMsgs.StartMessage(m_MsgTextMsg, players, 1, USERMSG_RELIABLE)) == NULL)
1.325 + {
1.326 + return false;
1.327 + }
1.328 +
1.329 + pBitBuf->WriteByte(dest);
1.330 + pBitBuf->WriteString(msg);
1.331 + g_UserMsgs.EndMessage();
1.332 +
1.333 + return true;
1.334 +}
1.335 +
1.336 +bool CHalfLife2::HintTextMsg(int client, const char *msg)
1.337 +{
1.338 + bf_write *pBitBuf = NULL;
1.339 + cell_t players[] = {client};
1.340 +
1.341 + if ((pBitBuf = g_UserMsgs.StartMessage(m_HinTextMsg, players, 1, USERMSG_RELIABLE)) == NULL)
1.342 + {
1.343 + return false;
1.344 + }
1.345 +
1.346 + const char *pre_byte = g_pGameConf->GetKeyValue("HintTextPreByte");
1.347 + if (pre_byte != NULL && strcmp(pre_byte, "yes") == 0)
1.348 + {
1.349 + pBitBuf->WriteByte(1);
1.350 + }
1.351 + pBitBuf->WriteString(msg);
1.352 + g_UserMsgs.EndMessage();
1.353 +
1.354 + return true;
1.355 +}
1.356 +
1.357 +bool CHalfLife2::ShowVGUIMenu(int client, const char *name, KeyValues *data, bool show)
1.358 +{
1.359 + bf_write *pBitBuf = NULL;
1.360 + KeyValues *SubKey = NULL;
1.361 + int count = 0;
1.362 + cell_t players[] = {client};
1.363 +
1.364 + if ((pBitBuf = g_UserMsgs.StartMessage(m_VGUIMenu, players, 1, USERMSG_RELIABLE)) == NULL)
1.365 + {
1.366 + return false;
1.367 + }
1.368 +
1.369 + if (data)
1.370 + {
1.371 + SubKey = data->GetFirstSubKey();
1.372 + while (SubKey)
1.373 + {
1.374 + count++;
1.375 + SubKey = SubKey->GetNextKey();
1.376 + }
1.377 + SubKey = data->GetFirstSubKey();
1.378 + }
1.379 +
1.380 + pBitBuf->WriteString(name);
1.381 + pBitBuf->WriteByte((show) ? 1 : 0);
1.382 + pBitBuf->WriteByte(count);
1.383 + while (SubKey)
1.384 + {
1.385 + pBitBuf->WriteString(SubKey->GetName());
1.386 + pBitBuf->WriteString(SubKey->GetString());
1.387 + SubKey = SubKey->GetNextKey();
1.388 + }
1.389 + g_UserMsgs.EndMessage();
1.390 +
1.391 + return true;
1.392 +}
1.393 +
1.394 +void CHalfLife2::AddToFakeCliCmdQueue(int client, int userid, const char *cmd)
1.395 +{
1.396 + DelayedFakeCliCmd *pFake;
1.397 +
1.398 + if (m_FreeCmds.empty())
1.399 + {
1.400 + pFake = new DelayedFakeCliCmd;
1.401 + } else {
1.402 + pFake = m_FreeCmds.front();
1.403 + m_FreeCmds.pop();
1.404 + }
1.405 +
1.406 + pFake->client = client;
1.407 + pFake->userid = userid;
1.408 + pFake->cmd.assign(cmd);
1.409 +
1.410 + m_CmdQueue.push(pFake);
1.411 +}
1.412 +
1.413 +void CHalfLife2::ProcessFakeCliCmdQueue()
1.414 +{
1.415 + while (!m_CmdQueue.empty())
1.416 + {
1.417 + DelayedFakeCliCmd *pFake = m_CmdQueue.first();
1.418 +
1.419 + if (g_Players.GetClientOfUserId(pFake->userid) == pFake->client)
1.420 + {
1.421 + CPlayer *pPlayer = g_Players.GetPlayerByIndex(pFake->client);
1.422 + serverpluginhelpers->ClientCommand(pPlayer->GetEdict(), pFake->cmd.c_str());
1.423 + }
1.424 +
1.425 + m_CmdQueue.pop();
1.426 + }
1.427 +}
1.428 +
1.429 +bool CHalfLife2::IsLANServer()
1.430 +{
1.431 + sv_lan = icvar->FindVar("sv_lan");
1.432 +
1.433 + if (!sv_lan)
1.434 + {
1.435 + return false;
1.436 + }
1.437 +
1.438 + return (sv_lan->GetInt() != 0);
1.439 +}
1.440 +
1.441 +bool CHalfLife2::KVLoadFromFile(KeyValues *kv, IBaseFileSystem *filesystem, const char *resourceName, const char *pathID)
1.442 +{
1.443 +#if defined METAMOD_PLAPI_VERSION
1.444 + if (g_SMAPI->GetSourceEngineBuild() == SOURCE_ENGINE_ORIGINAL)
1.445 +#else
1.446 + if (strcasecmp(g_SourceMod.GetGameFolderName(), "ship") == 0)
1.447 +#endif
1.448 + {
1.449 + Assert(filesystem);
1.450 +#ifdef _MSC_VER
1.451 + Assert(_heapchk() == _HEAPOK);
1.452 +#endif
1.453 +
1.454 + FileHandle_t f = filesystem->Open(resourceName, "rb", pathID);
1.455 + if (!f)
1.456 + return false;
1.457 +
1.458 + // load file into a null-terminated buffer
1.459 + int fileSize = filesystem->Size(f);
1.460 + char *buffer = (char *)MemAllocScratch(fileSize + 1);
1.461 +
1.462 + Assert(buffer);
1.463 +
1.464 + filesystem->Read(buffer, fileSize, f); // read into local buffer
1.465 +
1.466 + buffer[fileSize] = 0; // null terminate file as EOF
1.467 +
1.468 + filesystem->Close( f ); // close file after reading
1.469 +
1.470 + bool retOK = kv->LoadFromBuffer( resourceName, buffer, filesystem );
1.471 +
1.472 + MemFreeScratch();
1.473 +
1.474 + return retOK;
1.475 + }
1.476 + else
1.477 + {
1.478 + return kv->LoadFromFile(filesystem, resourceName, pathID);
1.479 + }
1.480 +}
1.481 +
1.482 +void CHalfLife2::PushCommandStack(const CCommand *cmd)
1.483 +{
1.484 + CachedCommandInfo info;
1.485 +
1.486 + info.args = cmd;
1.487 +#if !defined ORANGEBOX_BUILD
1.488 + strncopy(info.cmd, cmd->Arg(0), sizeof(info.cmd));
1.489 +#endif
1.490 +
1.491 + m_CommandStack.push(info);
1.492 +}
1.493 +
1.494 +const CCommand *CHalfLife2::PeekCommandStack()
1.495 +{
1.496 + if (m_CommandStack.empty())
1.497 + {
1.498 + return NULL;
1.499 + }
1.500 +
1.501 + return m_CommandStack.front().args;
1.502 +}
1.503 +
1.504 +void CHalfLife2::PopCommandStack()
1.505 +{
1.506 + m_CommandStack.pop();
1.507 +}
1.508 +
1.509 +const char *CHalfLife2::CurrentCommandName()
1.510 +{
1.511 +#if defined ORANGEBOX_BUILD
1.512 + return m_CommandStack.front().args->Arg(0);
1.513 +#else
1.514 + return m_CommandStack.front().cmd;
1.515 +#endif
1.516 +}
1.517 +
1.518 +void CHalfLife2::AddDelayedKick(int client, int userid, const char *msg)
1.519 +{
1.520 + DelayedKickInfo kick;
1.521 +
1.522 + kick.client = client;
1.523 + kick.userid = userid;
1.524 + UTIL_Format(kick.buffer, sizeof(kick.buffer), "%s", msg);
1.525 +
1.526 + m_DelayedKicks.push(kick);
1.527 +}
1.528 +
1.529 +void CHalfLife2::ProcessDelayedKicks()
1.530 +{
1.531 + while (!m_DelayedKicks.empty())
1.532 + {
1.533 + DelayedKickInfo info = m_DelayedKicks.first();
1.534 + m_DelayedKicks.pop();
1.535 +
1.536 + CPlayer *player = g_Players.GetPlayerByIndex(info.client);
1.537 + if (player == NULL || player->GetUserId() != info.userid)
1.538 + {
1.539 + continue;
1.540 + }
1.541 +
1.542 + player->Kick(info.buffer);
1.543 + }
1.544 +}