Fixed Linux build...
authorScott Ehlert <ds@alliedmods.net>
Sun Feb 11 11:20:38 2007 +0000 (2007-02-11)
changeset 466a039a324635b
parent 465 8856d2e7018d
child 467 8192f64d8f57
Fixed Linux build...
core/CConVarManager.cpp
core/Makefile
     1.1 --- a/core/CConVarManager.cpp	Sun Feb 11 11:09:38 2007 +0000
     1.2 +++ b/core/CConVarManager.cpp	Sun Feb 11 11:20:38 2007 +0000
     1.3 @@ -1,364 +1,365 @@
     1.4 -/**
     1.5 -* ===============================================================
     1.6 -* SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.
     1.7 -* ===============================================================
     1.8 -*
     1.9 -* This file is not open source and may not be copied without explicit
    1.10 -* written permission of AlliedModders LLC.  This file may not be redistributed 
    1.11 -* in whole or significant part.
    1.12 -* For information, see LICENSE.txt or http://www.sourcemod.net/license.php
    1.13 -*
    1.14 -* Version: $Id$
    1.15 -*/
    1.16 -
    1.17 -#include "CConVarManager.h"
    1.18 -#include "CLogger.h"
    1.19 -#include "PluginSys.h"
    1.20 -#include "sm_srvcmds.h"
    1.21 -#include "sm_stringutil.h"
    1.22 -
    1.23 -CConVarManager g_ConVarManager;
    1.24 -
    1.25 -CConVarManager::CConVarManager() : m_ConVarType(0)
    1.26 -{
    1.27 -	// Create a convar lookup trie
    1.28 -	m_ConVarCache = sm_trie_create();
    1.29 -}
    1.30 -
    1.31 -CConVarManager::~CConVarManager()
    1.32 -{
    1.33 -	List<ConVarInfo *>::iterator i;
    1.34 -
    1.35 -	// Destroy our convar lookup trie
    1.36 -	sm_trie_destroy(m_ConVarCache);
    1.37 -
    1.38 -	// Destroy all the ConVarInfo structures
    1.39 -	for (i = m_ConVars.begin(); i != m_ConVars.end(); i++)
    1.40 -	{
    1.41 -		delete (*i);
    1.42 -	}
    1.43 -
    1.44 -	m_ConVars.clear();
    1.45 -}
    1.46 -
    1.47 -void CConVarManager::OnSourceModAllInitialized()
    1.48 -{
    1.49 -	HandleAccess sec;
    1.50 -
    1.51 -	// Set up access rights for the 'ConVar' handle type
    1.52 -	sec.access[HandleAccess_Read] = 0;
    1.53 -	sec.access[HandleAccess_Delete] = HANDLE_RESTRICT_IDENTITY | HANDLE_RESTRICT_OWNER;
    1.54 -	sec.access[HandleAccess_Clone] = HANDLE_RESTRICT_IDENTITY | HANDLE_RESTRICT_OWNER;
    1.55 -
    1.56 -	// Create the 'ConVar' handle type
    1.57 -	m_ConVarType = g_HandleSys.CreateType("ConVar", this, 0, NULL, &sec, g_pCoreIdent, NULL);
    1.58 -
    1.59 -	// Add the 'cvars' option to the 'sm' console command
    1.60 -	g_RootMenu.AddRootConsoleCommand("cvars", "View convars created by a plugin", this);
    1.61 -}
    1.62 -
    1.63 -void CConVarManager::OnSourceModShutdown()
    1.64 -{
    1.65 -	IChangeableForward *fwd;
    1.66 -	List<ConVarInfo *>::iterator i;
    1.67 -
    1.68 -	// Iterate list of ConVarInfo structures
    1.69 -	for (i = m_ConVars.begin(); i != m_ConVars.end(); i++)
    1.70 -	{
    1.71 -		fwd = (*i)->changeForward;
    1.72 -
    1.73 -		// Free any convar-change forwards that still exist
    1.74 -		if (fwd)
    1.75 -		{
    1.76 -			g_Forwards.ReleaseForward(fwd);
    1.77 -		}
    1.78 -	}
    1.79 -
    1.80 -	// Remove the 'cvars' option from the 'sm' console command
    1.81 -	g_RootMenu.RemoveRootConsoleCommand("cvars", this);
    1.82 -
    1.83 -	// Remove the 'ConVar' handle type
    1.84 -	g_HandleSys.RemoveType(m_ConVarType, g_pCoreIdent);
    1.85 -}
    1.86 -
    1.87 -void CConVarManager::OnHandleDestroy(HandleType_t type, void *object)
    1.88 -{
    1.89 -	ConVarInfo *info;
    1.90 -	ConCommandBase *cvar = static_cast<ConCommandBase *>(object);
    1.91 -
    1.92 -	// Find convar in lookup trie
    1.93 -	sm_trie_retrieve(m_ConVarCache, cvar->GetName(), reinterpret_cast<void **>(&info));
    1.94 -
    1.95 -	// If convar was created by SourceMod plugin...
    1.96 -	if (info->sourceMod)
    1.97 -	{
    1.98 -		// Then unregister it
    1.99 -		g_SMAPI->UnregisterConCmdBase(g_PLAPI, cvar);
   1.100 -	}
   1.101 -}
   1.102 -
   1.103 -void CConVarManager::OnRootConsoleCommand(const char *command, unsigned int argcount)
   1.104 -{
   1.105 -	if (argcount >= 3)
   1.106 -	{
   1.107 -		int id = 1;
   1.108 -
   1.109 -		// Get plugin index that was passed
   1.110 -		int num = atoi(g_RootMenu.GetArgument(2));
   1.111 -		
   1.112 -		// If invalid plugin index...
   1.113 -		if (num < 1 || num > (int)g_PluginSys.GetPluginCount())
   1.114 -		{
   1.115 -			g_RootMenu.ConsolePrint("[SM] Plugin index not found.");
   1.116 -			return;
   1.117 -		}
   1.118 -
   1.119 -		// Get plugin object
   1.120 -		CPlugin *pl = g_PluginSys.GetPluginByOrder(num);
   1.121 -
   1.122 -		// Get number of convars created by plugin
   1.123 -		int convarnum = pl->GetConVarCount();
   1.124 -
   1.125 -		if (convarnum == 0)
   1.126 -		{
   1.127 -			g_RootMenu.ConsolePrint("[SM] No convars for \"%s\"", pl->GetPublicInfo()->name);
   1.128 -			return;
   1.129 -		}
   1.130 -
   1.131 -		g_RootMenu.ConsolePrint("[SM] Displaying convars for \"%s\":", pl->GetPublicInfo()->name);
   1.132 -
   1.133 -		// Iterate convar list and display each one
   1.134 -		for (int i = 0; i < convarnum; i++, id++)
   1.135 -		{
   1.136 -			ConVar *cvar = pl->GetConVarByIndex(i);
   1.137 -			g_RootMenu.ConsolePrint("  %02d \"%s\" = \"%s\"", id, cvar->GetName(), cvar->GetString()); 
   1.138 -		}
   1.139 -
   1.140 -		return;
   1.141 -	}
   1.142 -
   1.143 -	// Display usage of subcommand
   1.144 -	g_RootMenu.ConsolePrint("[SM] Usage: sm cvars <#>");
   1.145 -}
   1.146 -
   1.147 -Handle_t CConVarManager::CreateConVar(IPluginContext *pContext, const char *name, const char *defaultVal, const char *helpText, int flags, bool hasMin, float min, bool hasMax, float max)
   1.148 -{
   1.149 -	ConVar *cvar = NULL;
   1.150 -	ConVarInfo *info = NULL;
   1.151 -	Handle_t hndl = 0;
   1.152 -
   1.153 -	// Find out if the convar exists already
   1.154 -	cvar = icvar->FindVar(name);
   1.155 -
   1.156 -	// If the convar already exists...
   1.157 -	if (cvar != NULL)
   1.158 -	{
   1.159 -		// First check if we already have a handle to it
   1.160 -		if (sm_trie_retrieve(m_ConVarCache, name, reinterpret_cast<void **>(&info)))
   1.161 -		{
   1.162 -			// If we do, then return that handle
   1.163 -			return info->handle;
   1.164 -		} else {
   1.165 -			// If we don't, then create a new handle from the convar
   1.166 -			hndl = g_HandleSys.CreateHandle(m_ConVarType, cvar, NULL, g_pCoreIdent, NULL);
   1.167 -
   1.168 -			info = new ConVarInfo;
   1.169 -			info->handle = hndl;
   1.170 -			info->sourceMod = false;
   1.171 -			info->changeForward = NULL;
   1.172 -			info->origCallback = cvar->GetCallback();
   1.173 -
   1.174 -			m_ConVars.push_back(info);
   1.175 -
   1.176 -			return hndl;
   1.177 -		}
   1.178 -	}
   1.179 -
   1.180 -	// To prevent creating a convar that has the same name as a console command... ugh
   1.181 -	ConCommandBase *pBase = icvar->GetCommands();
   1.182 -
   1.183 -	while (pBase)
   1.184 -	{
   1.185 -		if (strcmp(pBase->GetName(), name) == 0)
   1.186 -		{
   1.187 -			return pContext->ThrowNativeError("Convar \"%s\" was not created. A console command with the same name already exists.", name);
   1.188 -		}
   1.189 -
   1.190 -		pBase = const_cast<ConCommandBase *>(pBase->GetNext());
   1.191 -	}
   1.192 -
   1.193 -	// Since we didn't find an existing convar (or concmd with the same name), now we can finally create it!
   1.194 -	cvar = new ConVar(name, defaultVal, flags, helpText, hasMin, min, hasMax, max);
   1.195 -
   1.196 -	// Add new convar to plugin's list
   1.197 -	g_PluginSys.GetPluginByCtx(pContext->GetContext())->AddConVar(cvar);
   1.198 -
   1.199 -	// Create a handle from the new convar
   1.200 -	hndl = g_HandleSys.CreateHandle(m_ConVarType, cvar, NULL, g_pCoreIdent, NULL);
   1.201 -
   1.202 -	info = new ConVarInfo;
   1.203 -	info->handle = hndl;
   1.204 -	info->sourceMod = true;
   1.205 -	info->changeForward = NULL;
   1.206 -	info->origCallback = NULL;
   1.207 -
   1.208 -	m_ConVars.push_back(info);
   1.209 -
   1.210 -	// Insert the handle into our lookup trie
   1.211 -	sm_trie_insert(m_ConVarCache, name, info);
   1.212 -
   1.213 -	return hndl;
   1.214 -}
   1.215 -
   1.216 -Handle_t CConVarManager::FindConVar(const char *name)
   1.217 -{
   1.218 -	ConVar *cvar = NULL;
   1.219 -	ConVarInfo *info = NULL;
   1.220 -	Handle_t hndl = 0;
   1.221 -
   1.222 -	// Search for convar
   1.223 -	cvar = icvar->FindVar(name);
   1.224 -
   1.225 -	// If it doesn't exist, then return an invalid handle
   1.226 -	if (cvar == NULL)
   1.227 -	{
   1.228 -		return BAD_HANDLE;
   1.229 -	}
   1.230 -
   1.231 -	// At this point, convar exists, so find out if we already have a handle for it
   1.232 -	if (sm_trie_retrieve(m_ConVarCache, name, reinterpret_cast<void **>(&info)))
   1.233 -	{
   1.234 -		// If we do, then return that handle
   1.235 -		return info->handle;
   1.236 -	}
   1.237 -
   1.238 -	// If we don't, then create a new handle from the convar
   1.239 -	hndl = g_HandleSys.CreateHandle(m_ConVarType, cvar, NULL, g_pCoreIdent, NULL);
   1.240 -
   1.241 -	info = new ConVarInfo;
   1.242 -	info->handle = hndl;
   1.243 -	info->sourceMod = false;
   1.244 -	info->changeForward = NULL;
   1.245 -	info->origCallback = cvar->GetCallback();
   1.246 -
   1.247 -	m_ConVars.push_back(info);
   1.248 -
   1.249 -	// Insert the handle into our cache
   1.250 -	sm_trie_insert(m_ConVarCache, name, info);
   1.251 -
   1.252 -	return hndl;
   1.253 -}
   1.254 -
   1.255 -void CConVarManager::HookConVarChange(IPluginContext *pContext, ConVar *cvar, funcid_t funcid)
   1.256 -{
   1.257 -	IPluginFunction *func = pContext->GetFunctionById(funcid);
   1.258 -	IChangeableForward *fwd = NULL;
   1.259 -	char fwdName[64];
   1.260 -	ConVarInfo *info = NULL;
   1.261 -
   1.262 -	// This shouldn't happen...
   1.263 -	if (func == NULL)
   1.264 -	{
   1.265 -		pContext->ThrowNativeError("Invalid function: %d", funcid);
   1.266 -		return;
   1.267 -	}
   1.268 -
   1.269 -	// Create a forward name
   1.270 -	UTIL_Format(fwdName, sizeof(fwdName), "ConVar.%s", cvar->GetName());
   1.271 -
   1.272 -	// First find out if the forward already exists
   1.273 -	g_Forwards.FindForward(fwdName, &fwd);
   1.274 -
   1.275 -	// If the forward doesn't exist...
   1.276 -	if (fwd == NULL)
   1.277 -	{
   1.278 -		// This is the forward's parameter type list
   1.279 -		ParamType p[] = {Param_Cell, Param_String, Param_String};
   1.280 -
   1.281 -		// Create the forward
   1.282 -		fwd = g_Forwards.CreateForwardEx(fwdName, ET_Ignore, 3, p);
   1.283 -
   1.284 -		// Find the convar in the lookup trie
   1.285 -		if (sm_trie_retrieve(m_ConVarCache, cvar->GetName(), reinterpret_cast<void **>(&info)))
   1.286 -		{
   1.287 -			// Set the convar's forward to the newly created one
   1.288 -			info->changeForward = fwd;
   1.289 -
   1.290 -			// Set the convar's callback to our static one
   1.291 -			cvar->InstallChangeCallback(OnConVarChanged);
   1.292 -		}
   1.293 -	}
   1.294 -
   1.295 -	// Add the function to the forward's list
   1.296 -	fwd->AddFunction(func);
   1.297 -}
   1.298 -
   1.299 -void CConVarManager::UnhookConVarChange(IPluginContext *pContext, ConVar *cvar, funcid_t funcid)
   1.300 -{
   1.301 -	IPluginFunction *func = pContext->GetFunctionById(funcid);
   1.302 -	IChangeableForward *fwd = NULL;
   1.303 -	ConVarInfo *info = NULL;
   1.304 -
   1.305 -	// This shouldn't happen...
   1.306 -	if (func == NULL)
   1.307 -	{
   1.308 -		pContext->ThrowNativeError("Invalid function: %d", funcid);
   1.309 -		return;
   1.310 -	}
   1.311 -
   1.312 -	// Find the convar in the lookup trie
   1.313 -	if (sm_trie_retrieve(m_ConVarCache, cvar->GetName(), reinterpret_cast<void **>(&info)))
   1.314 -	{
   1.315 -		// Get the forward
   1.316 -		fwd = info->changeForward;
   1.317 -
   1.318 -		// If the forward doesn't exist, we can't unhook anything
   1.319 -		if (fwd == NULL)
   1.320 -		{
   1.321 -			pContext->ThrowNativeError("Convar \"%s\" has no active hook.", cvar->GetName());
   1.322 -			return;
   1.323 -		}
   1.324 -
   1.325 -		// Remove the function from the forward's list
   1.326 -		if (!fwd->RemoveFunction(func))
   1.327 -		{
   1.328 -			pContext->ThrowNativeError("Function %d is not a valid hook callback for convar \"%s\"", funcid, cvar->GetName());
   1.329 -			return;
   1.330 -		}
   1.331 -
   1.332 -		// If the forward now has 0 functions in it...
   1.333 -		if (fwd->GetFunctionCount() == 0)
   1.334 -		{
   1.335 -			// Free this forward
   1.336 -			g_Forwards.ReleaseForward(fwd);
   1.337 -			info->changeForward = NULL;
   1.338 -
   1.339 -			// Put the back the original convar callback
   1.340 -			cvar->InstallChangeCallback(info->origCallback);
   1.341 -		}
   1.342 -	}
   1.343 -}
   1.344 -
   1.345 -void CConVarManager::OnConVarChanged(ConVar *cvar, const char *oldValue)
   1.346 -{
   1.347 -	Trie *cache = g_ConVarManager.GetConVarCache();
   1.348 -	ConVarInfo *info;
   1.349 -
   1.350 -	// Find the convar in the lookup trie
   1.351 -	sm_trie_retrieve(cache, cvar->GetName(), reinterpret_cast<void **>(&info));
   1.352 -
   1.353 -	FnChangeCallback origCallback = info->origCallback;
   1.354 -	IChangeableForward *fwd = info->changeForward;
   1.355 -
   1.356 -	// If there was a change callback installed previously, call it
   1.357 -	if (origCallback)
   1.358 -	{
   1.359 -		origCallback(cvar, oldValue);
   1.360 -	}
   1.361 -
   1.362 -	// Now call forwards in plugins that have hooked this
   1.363 -	fwd->PushCell(info->handle);
   1.364 -	fwd->PushString(cvar->GetString());
   1.365 -	fwd->PushString(oldValue);
   1.366 -	fwd->Execute(NULL);
   1.367 -}
   1.368 \ No newline at end of file
   1.369 +/**
   1.370 +* ===============================================================
   1.371 +* SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.
   1.372 +* ===============================================================
   1.373 +*
   1.374 +* This file is not open source and may not be copied without explicit
   1.375 +* written permission of AlliedModders LLC.  This file may not be redistributed 
   1.376 +* in whole or significant part.
   1.377 +* For information, see LICENSE.txt or http://www.sourcemod.net/license.php
   1.378 +*
   1.379 +* Version: $Id$
   1.380 +*/
   1.381 +
   1.382 +#include "CConVarManager.h"
   1.383 +#include "CLogger.h"
   1.384 +#include "PluginSys.h"
   1.385 +#include "sm_srvcmds.h"
   1.386 +#include "sm_stringutil.h"
   1.387 +
   1.388 +CConVarManager g_ConVarManager;
   1.389 +
   1.390 +CConVarManager::CConVarManager() : m_ConVarType(0)
   1.391 +{
   1.392 +	// Create a convar lookup trie
   1.393 +	m_ConVarCache = sm_trie_create();
   1.394 +}
   1.395 +
   1.396 +CConVarManager::~CConVarManager()
   1.397 +{
   1.398 +	List<ConVarInfo *>::iterator i;
   1.399 +
   1.400 +	// Destroy our convar lookup trie
   1.401 +	sm_trie_destroy(m_ConVarCache);
   1.402 +
   1.403 +	// Destroy all the ConVarInfo structures
   1.404 +	for (i = m_ConVars.begin(); i != m_ConVars.end(); i++)
   1.405 +	{
   1.406 +		delete (*i);
   1.407 +	}
   1.408 +
   1.409 +	m_ConVars.clear();
   1.410 +}
   1.411 +
   1.412 +void CConVarManager::OnSourceModAllInitialized()
   1.413 +{
   1.414 +	HandleAccess sec;
   1.415 +
   1.416 +	// Set up access rights for the 'ConVar' handle type
   1.417 +	sec.access[HandleAccess_Read] = 0;
   1.418 +	sec.access[HandleAccess_Delete] = HANDLE_RESTRICT_IDENTITY | HANDLE_RESTRICT_OWNER;
   1.419 +	sec.access[HandleAccess_Clone] = HANDLE_RESTRICT_IDENTITY | HANDLE_RESTRICT_OWNER;
   1.420 +
   1.421 +	// Create the 'ConVar' handle type
   1.422 +	m_ConVarType = g_HandleSys.CreateType("ConVar", this, 0, NULL, &sec, g_pCoreIdent, NULL);
   1.423 +
   1.424 +	// Add the 'cvars' option to the 'sm' console command
   1.425 +	g_RootMenu.AddRootConsoleCommand("cvars", "View convars created by a plugin", this);
   1.426 +}
   1.427 +
   1.428 +void CConVarManager::OnSourceModShutdown()
   1.429 +{
   1.430 +	IChangeableForward *fwd;
   1.431 +	List<ConVarInfo *>::iterator i;
   1.432 +
   1.433 +	// Iterate list of ConVarInfo structures
   1.434 +	for (i = m_ConVars.begin(); i != m_ConVars.end(); i++)
   1.435 +	{
   1.436 +		fwd = (*i)->changeForward;
   1.437 +
   1.438 +		// Free any convar-change forwards that still exist
   1.439 +		if (fwd)
   1.440 +		{
   1.441 +			g_Forwards.ReleaseForward(fwd);
   1.442 +		}
   1.443 +	}
   1.444 +
   1.445 +	// Remove the 'cvars' option from the 'sm' console command
   1.446 +	g_RootMenu.RemoveRootConsoleCommand("cvars", this);
   1.447 +
   1.448 +	// Remove the 'ConVar' handle type
   1.449 +	g_HandleSys.RemoveType(m_ConVarType, g_pCoreIdent);
   1.450 +}
   1.451 +
   1.452 +void CConVarManager::OnHandleDestroy(HandleType_t type, void *object)
   1.453 +{
   1.454 +	ConVarInfo *info;
   1.455 +	ConCommandBase *cvar = static_cast<ConCommandBase *>(object);
   1.456 +
   1.457 +	// Find convar in lookup trie
   1.458 +	sm_trie_retrieve(m_ConVarCache, cvar->GetName(), reinterpret_cast<void **>(&info));
   1.459 +
   1.460 +	// If convar was created by SourceMod plugin...
   1.461 +	if (info->sourceMod)
   1.462 +	{
   1.463 +		// Then unregister it
   1.464 +		g_SMAPI->UnregisterConCmdBase(g_PLAPI, cvar);
   1.465 +	}
   1.466 +}
   1.467 +
   1.468 +void CConVarManager::OnRootConsoleCommand(const char *command, unsigned int argcount)
   1.469 +{
   1.470 +	if (argcount >= 3)
   1.471 +	{
   1.472 +		int id = 1;
   1.473 +
   1.474 +		// Get plugin index that was passed
   1.475 +		int num = atoi(g_RootMenu.GetArgument(2));
   1.476 +		
   1.477 +		// If invalid plugin index...
   1.478 +		if (num < 1 || num > (int)g_PluginSys.GetPluginCount())
   1.479 +		{
   1.480 +			g_RootMenu.ConsolePrint("[SM] Plugin index not found.");
   1.481 +			return;
   1.482 +		}
   1.483 +
   1.484 +		// Get plugin object
   1.485 +		CPlugin *pl = g_PluginSys.GetPluginByOrder(num);
   1.486 +
   1.487 +		// Get number of convars created by plugin
   1.488 +		int convarnum = pl->GetConVarCount();
   1.489 +
   1.490 +		if (convarnum == 0)
   1.491 +		{
   1.492 +			g_RootMenu.ConsolePrint("[SM] No convars for \"%s\"", pl->GetPublicInfo()->name);
   1.493 +			return;
   1.494 +		}
   1.495 +
   1.496 +		g_RootMenu.ConsolePrint("[SM] Displaying convars for \"%s\":", pl->GetPublicInfo()->name);
   1.497 +
   1.498 +		// Iterate convar list and display each one
   1.499 +		for (int i = 0; i < convarnum; i++, id++)
   1.500 +		{
   1.501 +			ConVar *cvar = pl->GetConVarByIndex(i);
   1.502 +			g_RootMenu.ConsolePrint("  %02d \"%s\" = \"%s\"", id, cvar->GetName(), cvar->GetString()); 
   1.503 +		}
   1.504 +
   1.505 +		return;
   1.506 +	}
   1.507 +
   1.508 +	// Display usage of subcommand
   1.509 +	g_RootMenu.ConsolePrint("[SM] Usage: sm cvars <#>");
   1.510 +}
   1.511 +
   1.512 +Handle_t CConVarManager::CreateConVar(IPluginContext *pContext, const char *name, const char *defaultVal, const char *helpText, int flags, bool hasMin, float min, bool hasMax, float max)
   1.513 +{
   1.514 +	ConVar *cvar = NULL;
   1.515 +	ConVarInfo *info = NULL;
   1.516 +	Handle_t hndl = 0;
   1.517 +
   1.518 +	// Find out if the convar exists already
   1.519 +	cvar = icvar->FindVar(name);
   1.520 +
   1.521 +	// If the convar already exists...
   1.522 +	if (cvar != NULL)
   1.523 +	{
   1.524 +		// First check if we already have a handle to it
   1.525 +		if (sm_trie_retrieve(m_ConVarCache, name, reinterpret_cast<void **>(&info)))
   1.526 +		{
   1.527 +			// If we do, then return that handle
   1.528 +			return info->handle;
   1.529 +		} else {
   1.530 +			// If we don't, then create a new handle from the convar
   1.531 +			hndl = g_HandleSys.CreateHandle(m_ConVarType, cvar, NULL, g_pCoreIdent, NULL);
   1.532 +
   1.533 +			info = new ConVarInfo;
   1.534 +			info->handle = hndl;
   1.535 +			info->sourceMod = false;
   1.536 +			info->changeForward = NULL;
   1.537 +			info->origCallback = cvar->GetCallback();
   1.538 +
   1.539 +			m_ConVars.push_back(info);
   1.540 +
   1.541 +			return hndl;
   1.542 +		}
   1.543 +	}
   1.544 +
   1.545 +	// To prevent creating a convar that has the same name as a console command... ugh
   1.546 +	ConCommandBase *pBase = icvar->GetCommands();
   1.547 +
   1.548 +	while (pBase)
   1.549 +	{
   1.550 +		if (strcmp(pBase->GetName(), name) == 0)
   1.551 +		{
   1.552 +			return pContext->ThrowNativeError("Convar \"%s\" was not created. A console command with the same name already exists.", name);
   1.553 +		}
   1.554 +
   1.555 +		pBase = const_cast<ConCommandBase *>(pBase->GetNext());
   1.556 +	}
   1.557 +
   1.558 +	// Since we didn't find an existing convar (or concmd with the same name), now we can finally create it!
   1.559 +	cvar = new ConVar(name, defaultVal, flags, helpText, hasMin, min, hasMax, max);
   1.560 +
   1.561 +	// Add new convar to plugin's list
   1.562 +	g_PluginSys.GetPluginByCtx(pContext->GetContext())->AddConVar(cvar);
   1.563 +
   1.564 +	// Create a handle from the new convar
   1.565 +	hndl = g_HandleSys.CreateHandle(m_ConVarType, cvar, NULL, g_pCoreIdent, NULL);
   1.566 +
   1.567 +	info = new ConVarInfo;
   1.568 +	info->handle = hndl;
   1.569 +	info->sourceMod = true;
   1.570 +	info->changeForward = NULL;
   1.571 +	info->origCallback = NULL;
   1.572 +
   1.573 +	m_ConVars.push_back(info);
   1.574 +
   1.575 +	// Insert the handle into our lookup trie
   1.576 +	sm_trie_insert(m_ConVarCache, name, info);
   1.577 +
   1.578 +	return hndl;
   1.579 +}
   1.580 +
   1.581 +Handle_t CConVarManager::FindConVar(const char *name)
   1.582 +{
   1.583 +	ConVar *cvar = NULL;
   1.584 +	ConVarInfo *info = NULL;
   1.585 +	Handle_t hndl = 0;
   1.586 +
   1.587 +	// Search for convar
   1.588 +	cvar = icvar->FindVar(name);
   1.589 +
   1.590 +	// If it doesn't exist, then return an invalid handle
   1.591 +	if (cvar == NULL)
   1.592 +	{
   1.593 +		return BAD_HANDLE;
   1.594 +	}
   1.595 +
   1.596 +	// At this point, convar exists, so find out if we already have a handle for it
   1.597 +	if (sm_trie_retrieve(m_ConVarCache, name, reinterpret_cast<void **>(&info)))
   1.598 +	{
   1.599 +		// If we do, then return that handle
   1.600 +		return info->handle;
   1.601 +	}
   1.602 +
   1.603 +	// If we don't, then create a new handle from the convar
   1.604 +	hndl = g_HandleSys.CreateHandle(m_ConVarType, cvar, NULL, g_pCoreIdent, NULL);
   1.605 +
   1.606 +	info = new ConVarInfo;
   1.607 +	info->handle = hndl;
   1.608 +	info->sourceMod = false;
   1.609 +	info->changeForward = NULL;
   1.610 +	info->origCallback = cvar->GetCallback();
   1.611 +
   1.612 +	m_ConVars.push_back(info);
   1.613 +
   1.614 +	// Insert the handle into our cache
   1.615 +	sm_trie_insert(m_ConVarCache, name, info);
   1.616 +
   1.617 +	return hndl;
   1.618 +}
   1.619 +
   1.620 +void CConVarManager::HookConVarChange(IPluginContext *pContext, ConVar *cvar, funcid_t funcid)
   1.621 +{
   1.622 +	IPluginFunction *func = pContext->GetFunctionById(funcid);
   1.623 +	IChangeableForward *fwd = NULL;
   1.624 +	char fwdName[64];
   1.625 +	ConVarInfo *info = NULL;
   1.626 +
   1.627 +	// This shouldn't happen...
   1.628 +	if (func == NULL)
   1.629 +	{
   1.630 +		pContext->ThrowNativeError("Invalid function: %d", funcid);
   1.631 +		return;
   1.632 +	}
   1.633 +
   1.634 +	// Create a forward name
   1.635 +	UTIL_Format(fwdName, sizeof(fwdName), "ConVar.%s", cvar->GetName());
   1.636 +
   1.637 +	// First find out if the forward already exists
   1.638 +	g_Forwards.FindForward(fwdName, &fwd);
   1.639 +
   1.640 +	// If the forward doesn't exist...
   1.641 +	if (fwd == NULL)
   1.642 +	{
   1.643 +		// This is the forward's parameter type list
   1.644 +		ParamType p[] = {Param_Cell, Param_String, Param_String};
   1.645 +
   1.646 +		// Create the forward
   1.647 +		fwd = g_Forwards.CreateForwardEx(fwdName, ET_Ignore, 3, p);
   1.648 +
   1.649 +		// Find the convar in the lookup trie
   1.650 +		if (sm_trie_retrieve(m_ConVarCache, cvar->GetName(), reinterpret_cast<void **>(&info)))
   1.651 +		{
   1.652 +			// Set the convar's forward to the newly created one
   1.653 +			info->changeForward = fwd;
   1.654 +
   1.655 +			// Set the convar's callback to our static one
   1.656 +			cvar->InstallChangeCallback(OnConVarChanged);
   1.657 +		}
   1.658 +	}
   1.659 +
   1.660 +	// Add the function to the forward's list
   1.661 +	fwd->AddFunction(func);
   1.662 +}
   1.663 +
   1.664 +void CConVarManager::UnhookConVarChange(IPluginContext *pContext, ConVar *cvar, funcid_t funcid)
   1.665 +{
   1.666 +	IPluginFunction *func = pContext->GetFunctionById(funcid);
   1.667 +	IChangeableForward *fwd = NULL;
   1.668 +	ConVarInfo *info = NULL;
   1.669 +
   1.670 +	// This shouldn't happen...
   1.671 +	if (func == NULL)
   1.672 +	{
   1.673 +		pContext->ThrowNativeError("Invalid function: %d", funcid);
   1.674 +		return;
   1.675 +	}
   1.676 +
   1.677 +	// Find the convar in the lookup trie
   1.678 +	if (sm_trie_retrieve(m_ConVarCache, cvar->GetName(), reinterpret_cast<void **>(&info)))
   1.679 +	{
   1.680 +		// Get the forward
   1.681 +		fwd = info->changeForward;
   1.682 +
   1.683 +		// If the forward doesn't exist, we can't unhook anything
   1.684 +		if (fwd == NULL)
   1.685 +		{
   1.686 +			pContext->ThrowNativeError("Convar \"%s\" has no active hook.", cvar->GetName());
   1.687 +			return;
   1.688 +		}
   1.689 +
   1.690 +		// Remove the function from the forward's list
   1.691 +		if (!fwd->RemoveFunction(func))
   1.692 +		{
   1.693 +			pContext->ThrowNativeError("Function %d is not a valid hook callback for convar \"%s\"", funcid, cvar->GetName());
   1.694 +			return;
   1.695 +		}
   1.696 +
   1.697 +		// If the forward now has 0 functions in it...
   1.698 +		if (fwd->GetFunctionCount() == 0)
   1.699 +		{
   1.700 +			// Free this forward
   1.701 +			g_Forwards.ReleaseForward(fwd);
   1.702 +			info->changeForward = NULL;
   1.703 +
   1.704 +			// Put the back the original convar callback
   1.705 +			cvar->InstallChangeCallback(info->origCallback);
   1.706 +		}
   1.707 +	}
   1.708 +}
   1.709 +
   1.710 +void CConVarManager::OnConVarChanged(ConVar *cvar, const char *oldValue)
   1.711 +{
   1.712 +	Trie *cache = g_ConVarManager.GetConVarCache();
   1.713 +	ConVarInfo *info;
   1.714 +
   1.715 +	// Find the convar in the lookup trie
   1.716 +	sm_trie_retrieve(cache, cvar->GetName(), reinterpret_cast<void **>(&info));
   1.717 +
   1.718 +	FnChangeCallback origCallback = info->origCallback;
   1.719 +	IChangeableForward *fwd = info->changeForward;
   1.720 +
   1.721 +	// If there was a change callback installed previously, call it
   1.722 +	if (origCallback)
   1.723 +	{
   1.724 +		origCallback(cvar, oldValue);
   1.725 +	}
   1.726 +
   1.727 +	// Now call forwards in plugins that have hooked this
   1.728 +	fwd->PushCell(info->handle);
   1.729 +	fwd->PushString(cvar->GetString());
   1.730 +	fwd->PushString(oldValue);
   1.731 +	fwd->Execute(NULL);
   1.732 +}
   1.733 +
     2.1 --- a/core/Makefile	Sun Feb 11 11:09:38 2007 +0000
     2.2 +++ b/core/Makefile	Sun Feb 11 11:20:38 2007 +0000
     2.3 @@ -19,8 +19,8 @@
     2.4  HL2PUB = $(HL2SDK)/public
     2.5  HL2LIB = $(HL2SDK)/linux_sdk
     2.6  
     2.7 -OBJECTS = sourcemm_api.cpp sourcemod.cpp AdminCache.cpp CDbgReporter.cpp CLogger.cpp \
     2.8 -	  CPlayerManager.cpp CTextParsers.cpp CTranslator.cpp \
     2.9 +OBJECTS = sourcemm_api.cpp sourcemod.cpp AdminCache.cpp CConVarManager.cpp CDbgReporter.cpp \
    2.10 +	  CLogger.cpp CPlayerManager.cpp CTextParsers.cpp CTranslator.cpp \
    2.11  	  sm_autonatives.cpp sm_memtable.cpp sm_srvcmds.cpp sm_trie.cpp \
    2.12  	  sm_stringutil.cpp smn_filesystem.cpp smn_float.cpp smn_handles.cpp \
    2.13  	  smn_player.cpp smn_string.cpp smn_textparse.cpp smn_convar.cpp smn_admin.cpp \