Method OnConVarChanged

core/ConVarManager.cpp:625–665

}

void ConVarManager::OnConVarChanged(ConVar *pConVar, const char *oldValue, float flOldValue)
{
	/* If the values are the same, exit early in order to not trigger callbacks */
	if (strcmp(pConVar->GetString(), oldValue) == 0)
	{
		return;
	}

	ConVarInfo *pInfo;

	/* Find the convar in the lookup trie */
	if (!convar_cache_lookup(pConVar->GetName(), &pInfo))
	{
		return;
	}

	IChangeableForward *pForward = pInfo->pChangeForward;

	if (pInfo->changeListeners.size() != 0)
	{
		for (auto i = pInfo->changeListeners.begin(); i != pInfo->changeListeners.end(); i++)
			(*i)->OnConVarChanged(pConVar, oldValue, flOldValue);
	}

	if (pForward != NULL)
	{
		ConVarReentrancyGuard guard(pConVar);

		/* Copy the new value to a local buffer so it survives reentrant
		 * ChangeStringValue calls that may delete[] + reallocate m_pszString
		 * while the forward is still iterating plugin callbacks. */
		char newValue[512];
		ke::SafeStrcpy(newValue, sizeof(newValue), pConVar->GetString());

		/* Now call forwards in plugins that have hooked this */
		pForward->PushCell(pInfo->handle);
		pForward->PushString(oldValue);
		pForward->PushString(newValue);
		pForward->Execute(NULL);
	}
}

bool ConVarManager::IsQueryingSupported()
{