extensions/tf2/extension.cpp
branchrefac-jit
changeset 2168 c24a6fa957db
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/extensions/tf2/extension.cpp	Sun Jul 06 04:49:55 2008 +0000
     1.3 @@ -0,0 +1,364 @@
     1.4 +/**
     1.5 + * vim: set ts=4 :
     1.6 + * =============================================================================
     1.7 + * SourceMod Team Fortress 2 Extension
     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 "extension.h"
    1.36 +#include "util.h"
    1.37 +#include "RegNatives.h"
    1.38 +#include "iplayerinfo.h"
    1.39 +#include "sm_trie_tpl.h"
    1.40 +#include "criticals.h"
    1.41 +#include "CDetour/detours.h"
    1.42 +
    1.43 +/**
    1.44 + * @file extension.cpp
    1.45 + * @brief Implement extension code here.
    1.46 + */
    1.47 +
    1.48 +
    1.49 +TF2Tools g_TF2Tools;
    1.50 +IGameConfig *g_pGameConf = NULL;
    1.51 +
    1.52 +IBinTools *g_pBinTools = NULL;
    1.53 +
    1.54 +SMEXT_LINK(&g_TF2Tools);
    1.55 +
    1.56 +ICvar *icvar = NULL;
    1.57 +
    1.58 +CGlobalVars *gpGlobals = NULL;
    1.59 +
    1.60 +sm_sendprop_info_t *playerSharedOffset;
    1.61 +
    1.62 +extern sp_nativeinfo_t g_TFNatives[];
    1.63 +
    1.64 +int g_resourceEntity;
    1.65 +
    1.66 +SH_DECL_HOOK3_void(IServerGameDLL, ServerActivate, SH_NOATTRIB, 0, edict_t *, int , int);
    1.67 +
    1.68 +bool TF2Tools::SDK_OnLoad(char *error, size_t maxlength, bool late)
    1.69 +{
    1.70 +	if (strcmp(g_pSM->GetGameFolderName(), "tf") != 0)
    1.71 +	{
    1.72 +		UTIL_Format(error, maxlength, "Cannot Load TF2 Extension on mods other than TF2");
    1.73 +		return false;
    1.74 +	}
    1.75 +
    1.76 +	ServerClass *sc = UTIL_FindServerClass("CTFPlayer");
    1.77 +	if (sc == NULL)
    1.78 +	{
    1.79 +		UTIL_Format(error, maxlength, "Could not find CTFPlayer server class");
    1.80 +		return false;
    1.81 +	}
    1.82 +
    1.83 +	playerSharedOffset = new sm_sendprop_info_t;
    1.84 +
    1.85 +	if (!UTIL_FindDataTable(sc->m_pTable, "DT_TFPlayerShared", playerSharedOffset, 0))
    1.86 +	{
    1.87 +		UTIL_Format(error, maxlength, "Could not find DT_TFPlayerShared data table");
    1.88 +		return false;
    1.89 +	}
    1.90 +
    1.91 +	sharesys->AddDependency(myself, "bintools.ext", true, true);
    1.92 +
    1.93 +	char conf_error[255] = "";
    1.94 +	if (!gameconfs->LoadGameConfigFile("sm-tf2.games", &g_pGameConf, conf_error, sizeof(conf_error)))
    1.95 +	{
    1.96 +		if (conf_error)
    1.97 +		{
    1.98 +			UTIL_Format(error, maxlength, "Could not read sm-tf2.games.txt: %s", conf_error);
    1.99 +		}
   1.100 +		return false;
   1.101 +	}
   1.102 +
   1.103 +	CDetourManager::Init(g_pSM->GetScriptingEngine(), g_pGameConf);
   1.104 +
   1.105 +	sharesys->AddNatives(myself, g_TFNatives);
   1.106 +	sharesys->RegisterLibrary(myself, "tf2");
   1.107 +
   1.108 +	playerhelpers->RegisterCommandTargetProcessor(this);
   1.109 +
   1.110 +	g_critForward = forwards->CreateForward("TF2_CalcIsAttackCritical", ET_Hook, 4, NULL, Param_Cell, Param_Cell, Param_String, Param_CellByRef);
   1.111 +
   1.112 +	g_pCVar = icvar;
   1.113 +
   1.114 +	return true;
   1.115 +}
   1.116 +
   1.117 +bool TF2Tools::SDK_OnMetamodLoad(ISmmAPI *ismm, char *error, size_t maxlen, bool late)
   1.118 +{
   1.119 +	GET_V_IFACE_CURRENT(GetEngineFactory, engine, IVEngineServer, INTERFACEVERSION_VENGINESERVER);
   1.120 +
   1.121 +	gpGlobals = ismm->GetCGlobals();
   1.122 +
   1.123 +	SH_ADD_HOOK(IServerGameDLL, ServerActivate, gamedll, SH_STATIC(OnServerActivate), true);
   1.124 +
   1.125 +	GET_V_IFACE_CURRENT(GetEngineFactory, icvar, ICvar, CVAR_INTERFACE_VERSION);
   1.126 +
   1.127 +	GET_V_IFACE_CURRENT(GetServerFactory, gameents, IServerGameEnts, INTERFACEVERSION_SERVERGAMEENTS);
   1.128 +
   1.129 +	GET_V_IFACE_CURRENT(GetEngineFactory, m_GameEventManager, IGameEventManager2, INTERFACEVERSION_GAMEEVENTSMANAGER2);
   1.130 +	m_GameEventManager->AddListener(this, "teamplay_restart_round", true);
   1.131 +
   1.132 +	return true;
   1.133 +}
   1.134 +
   1.135 +void TF2Tools::SDK_OnUnload()
   1.136 +{
   1.137 +	SH_REMOVE_HOOK(IServerGameDLL, ServerActivate, gamedll, SH_STATIC(OnServerActivate), true);
   1.138 +
   1.139 +	g_RegNatives.UnregisterAll();
   1.140 +	gameconfs->CloseGameConfigFile(g_pGameConf);
   1.141 +	playerhelpers->UnregisterCommandTargetProcessor(this);
   1.142 +
   1.143 +	forwards->ReleaseForward(g_critForward);
   1.144 +
   1.145 +	RemoveDetours();
   1.146 +}
   1.147 +
   1.148 +void TF2Tools::SDK_OnAllLoaded()
   1.149 +{
   1.150 +	SM_GET_LATE_IFACE(BINTOOLS, g_pBinTools);
   1.151 +
   1.152 +	InitialiseDetours();
   1.153 +}
   1.154 +
   1.155 +bool TF2Tools::RegisterConCommandBase(ConCommandBase *pVar)
   1.156 +{
   1.157 +	return g_SMAPI->RegisterConCommandBase(g_PLAPI, pVar);
   1.158 +}
   1.159 +
   1.160 +void TF2Tools::FireGameEvent( IGameEvent *event )
   1.161 +{
   1.162 +	timersys->NotifyOfGameStart();
   1.163 +	timersys->MapTimeLeftChanged();
   1.164 +}
   1.165 +
   1.166 +bool TF2Tools::QueryRunning(char *error, size_t maxlength)
   1.167 +{
   1.168 +	SM_CHECK_IFACE(BINTOOLS, g_pBinTools);
   1.169 +
   1.170 +	return true;
   1.171 +}
   1.172 +
   1.173 +bool TF2Tools::QueryInterfaceDrop(SMInterface *pInterface)
   1.174 +{
   1.175 +	if (pInterface == g_pBinTools)
   1.176 +	{
   1.177 +		return false;
   1.178 +	}
   1.179 +
   1.180 +	return IExtensionInterface::QueryInterfaceDrop(pInterface);
   1.181 +}
   1.182 +
   1.183 +void TF2Tools::NotifyInterfaceDrop(SMInterface *pInterface)
   1.184 +{
   1.185 +	g_RegNatives.UnregisterAll();
   1.186 +}
   1.187 +
   1.188 +void OnServerActivate(edict_t *pEdictList, int edictCount, int clientMax)
   1.189 +{
   1.190 +	g_resourceEntity = FindResourceEntity();
   1.191 +}
   1.192 +
   1.193 +
   1.194 +bool TF2Tools::ProcessCommandTarget(cmd_target_info_t *info)
   1.195 +{
   1.196 +	int max_clients;
   1.197 +	IPlayerInfo *pInfo;
   1.198 +	unsigned int team_index = 0;
   1.199 +	IGamePlayer *pPlayer, *pAdmin;
   1.200 +
   1.201 +	if ((info->flags & COMMAND_FILTER_NO_MULTI) == COMMAND_FILTER_NO_MULTI)
   1.202 +	{
   1.203 +		return false;
   1.204 +	}
   1.205 +
   1.206 +	if (info->admin)
   1.207 +	{
   1.208 +		if ((pAdmin = playerhelpers->GetGamePlayer(info->admin)) == NULL)
   1.209 +		{
   1.210 +			return false;
   1.211 +		}
   1.212 +		if (!pAdmin->IsInGame())
   1.213 +		{
   1.214 +			return false;
   1.215 +		}
   1.216 +	}
   1.217 +	else
   1.218 +	{
   1.219 +		pAdmin = NULL;
   1.220 +	}
   1.221 +
   1.222 +	if (strcmp(info->pattern, "@red") == 0 )
   1.223 +	{
   1.224 +		team_index = 2;
   1.225 +	}
   1.226 +	else if (strcmp(info->pattern, "@blue") == 0)
   1.227 +	{
   1.228 +		team_index = 3;
   1.229 +	}
   1.230 +	else
   1.231 +	{
   1.232 +		return false;
   1.233 +	}
   1.234 +
   1.235 +	info->num_targets = 0;
   1.236 +
   1.237 +	max_clients = playerhelpers->GetMaxClients();
   1.238 +	for (int i = 1; 
   1.239 +		 i <= max_clients && (cell_t)info->num_targets < info->max_targets; 
   1.240 +		 i++)
   1.241 +	{
   1.242 +		if ((pPlayer = playerhelpers->GetGamePlayer(i)) == NULL)
   1.243 +		{
   1.244 +			continue;
   1.245 +		}
   1.246 +		if (!pPlayer->IsInGame())
   1.247 +		{
   1.248 +			continue;
   1.249 +		}
   1.250 +		if ((pInfo = pPlayer->GetPlayerInfo()) == NULL)
   1.251 +		{
   1.252 +			continue;
   1.253 +		}
   1.254 +		if (pInfo->GetTeamIndex() != (int)team_index)
   1.255 +		{
   1.256 +			continue;
   1.257 +		}
   1.258 +		if (playerhelpers->FilterCommandTarget(pAdmin, pPlayer, info->flags) 
   1.259 +			!= COMMAND_TARGET_VALID)
   1.260 +		{
   1.261 +			continue;
   1.262 +		}
   1.263 +		info->targets[info->num_targets] = i;
   1.264 +		info->num_targets++;
   1.265 +	}
   1.266 +
   1.267 +	if (info->num_targets == 0)
   1.268 +	{
   1.269 +		info->reason = COMMAND_TARGET_EMPTY_FILTER;
   1.270 +	}
   1.271 +	else
   1.272 +	{
   1.273 +		info->reason = COMMAND_TARGET_VALID;
   1.274 +	}
   1.275 +
   1.276 +	info->target_name_style = COMMAND_TARGETNAME_RAW;
   1.277 +	if (team_index == 2)
   1.278 +	{
   1.279 +		UTIL_Format(info->target_name, info->target_name_maxlength, "Red Team");
   1.280 +	}
   1.281 +	else if (team_index == 3)
   1.282 +	{
   1.283 +		UTIL_Format(info->target_name, info->target_name_maxlength, "Blue Team");
   1.284 +	}
   1.285 +
   1.286 +	return true;
   1.287 +}
   1.288 +
   1.289 +int FindResourceEntity()
   1.290 +{
   1.291 +	return FindEntityByNetClass(-1, "CTFPlayerResource");
   1.292 +}
   1.293 +
   1.294 +
   1.295 +int FindEntityByNetClass(int start, const char *classname)
   1.296 +{
   1.297 +	edict_t *current;
   1.298 +
   1.299 +	for (int i = ((start != -1) ? start : 0); i < gpGlobals->maxEntities; i++)
   1.300 +	{
   1.301 +		current = engine->PEntityOfEntIndex(i);
   1.302 +		if (current == NULL)
   1.303 +		{
   1.304 +			continue;
   1.305 +		}
   1.306 +
   1.307 +		IServerNetworkable *network = current->GetNetworkable();
   1.308 +
   1.309 +		if (network == NULL)
   1.310 +		{
   1.311 +			continue;
   1.312 +		}
   1.313 +
   1.314 +		ServerClass *sClass = network->GetServerClass();
   1.315 +		const char *name = sClass->GetName();
   1.316 +		
   1.317 +
   1.318 +		if (strcmp(name, classname) == 0)
   1.319 +		{
   1.320 +			return i;
   1.321 +		}
   1.322 +	}
   1.323 +
   1.324 +	return -1;
   1.325 +}
   1.326 +
   1.327 +TFClassType ClassnameToType(const char *classname)
   1.328 +{
   1.329 +	static KTrie<TFClassType> trie;
   1.330 +	static bool filled = false;
   1.331 +	
   1.332 +	if (!filled)
   1.333 +	{
   1.334 +		trie.insert("scout", TFClass_Scout);
   1.335 +		trie.insert("sniper", TFClass_Sniper);
   1.336 +		trie.insert("soldier", TFClass_Soldier);
   1.337 +		trie.insert("demoman", TFClass_DemoMan);
   1.338 +		trie.insert("demo", TFClass_DemoMan);
   1.339 +		trie.insert("medic", TFClass_Medic);
   1.340 +		trie.insert("heavy", TFClass_Heavy);
   1.341 +		trie.insert("hwg", TFClass_Heavy);
   1.342 +		trie.insert("pyro", TFClass_Pyro);
   1.343 +		trie.insert("spy", TFClass_Spy);
   1.344 +		trie.insert("engineer", TFClass_Engineer);
   1.345 +		trie.insert("engy", TFClass_Engineer);
   1.346 +
   1.347 +		filled = true;	
   1.348 +	}
   1.349 +	
   1.350 +	TFClassType *value;
   1.351 +
   1.352 +	if (!(value = trie.retrieve(classname)))
   1.353 +	{
   1.354 +		return TFClass_Unknown;	
   1.355 +	}
   1.356 +
   1.357 +	return *value;
   1.358 +}
   1.359 +
   1.360 +
   1.361 +
   1.362 +/**
   1.363 + * A picture of a blue crab given to me as a gift and stored here for safe keeping
   1.364 + *
   1.365 + * http://www.democracycellproject.net/blog/archives/Clown%20car.jpg
   1.366 + */
   1.367 +