164 lines
4.5 KiB
C++
164 lines
4.5 KiB
C++
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourceMod Team Fortress 2 Extension
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* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*
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* Version: $Id$
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*/
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#include "holiday.h"
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SH_DECL_MANUALHOOK1(IsHolidayActive, 0, 0, 0, bool, int);
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SH_DECL_HOOK0_void(IServerGameDLL, LevelShutdown, SH_NOATTRIB, 0);
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HolidayManager g_HolidayManager;
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HolidayManager::HolidayManager() :
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m_iHookID(0),
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m_isHolidayForward(NULL),
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m_bInMap(false)
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{
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}
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void HolidayManager::OnSDKLoad(bool bLate)
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{
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m_bInMap = bLate;
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plsys->AddPluginsListener(this);
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m_isHolidayForward = forwards->CreateForward("TF2_OnIsHolidayActive", ET_Event, 2, NULL, Param_Cell, Param_CellByRef);
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SH_ADD_HOOK(IServerGameDLL, LevelShutdown, gamedll, SH_MEMBER(this, &HolidayManager::Hook_LevelShutdown), false);
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}
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void HolidayManager::OnSDKUnload()
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{
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UnhookIfNecessary();
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SH_REMOVE_HOOK(IServerGameDLL, LevelShutdown, gamedll, SH_MEMBER(this, &HolidayManager::Hook_LevelShutdown), false);
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plsys->RemovePluginsListener(this);
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forwards->ReleaseForward(m_isHolidayForward);
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}
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void HolidayManager::OnServerActivated()
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{
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m_bInMap = true;
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HookIfNecessary();
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}
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void HolidayManager::Hook_LevelShutdown()
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{
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// GameRules is going away momentarily. Unhook before it does.
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UnhookIfNecessary();
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m_bInMap = false;
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}
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void HolidayManager::HookIfNecessary()
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{
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// Already hooked
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if (m_iHookID)
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return;
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// Nothing wants us
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if (m_isHolidayForward->GetFunctionCount() == 0)
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return;
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void *pGameRules = GetGameRules();
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if (!pGameRules)
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{
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if (m_bInMap)
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{
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g_pSM->LogError(myself, "Gamerules ptr not found. TF2_OnIsHolidayActive will not be available.");
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}
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return;
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}
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static int offset = -1;
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if (offset == -1)
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{
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if (!g_pGameConf->GetOffset("IsHolidayActive", &offset))
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{
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g_pSM->LogError(myself, "IsHolidayActive gamedata offset missing. TF2_OnIsHolidayActive will not be available.");
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return;
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}
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SH_MANUALHOOK_RECONFIGURE(IsHolidayActive, offset, 0, 0);
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}
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m_iHookID = SH_ADD_MANUALHOOK(IsHolidayActive, pGameRules, SH_MEMBER(this, &HolidayManager::Hook_IsHolidayActive), false);
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}
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void HolidayManager::UnhookIfNecessary()
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{
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// Not hooked
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if (!m_iHookID)
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return;
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// We're still wanted
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if (m_isHolidayForward->GetFunctionCount() > 0)
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return;
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SH_REMOVE_HOOK_ID(m_iHookID);
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m_iHookID = 0;
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}
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void HolidayManager::OnPluginLoaded(IPlugin *plugin)
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{
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HookIfNecessary();
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}
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void HolidayManager::OnPluginUnloaded(IPlugin *plugin)
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{
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UnhookIfNecessary();
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}
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bool HolidayManager::Hook_IsHolidayActive(int holiday)
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{
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void *pGameRules = META_IFACEPTR(void *);
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bool actualres = SH_MCALL(pGameRules, IsHolidayActive)(holiday);
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if (!m_isHolidayForward)
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{
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g_pSM->LogMessage(myself, "Invalid Forward");
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RETURN_META_VALUE(MRES_IGNORED, true);
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}
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cell_t result = 0;
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cell_t newres = actualres ? 1 : 0;
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m_isHolidayForward->PushCell(holiday);
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m_isHolidayForward->PushCellByRef(&newres);
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m_isHolidayForward->Execute(&result);
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if (result > Pl_Continue)
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{
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RETURN_META_VALUE(MRES_SUPERCEDE, (newres == 0) ? false : true);
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}
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RETURN_META_VALUE(MRES_IGNORED, true);
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}
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