1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/extensions/tf2/teleporter.cpp	Mon May 28 01:14:46 2012 +0100
     1.3 @@ -0,0 +1,96 @@
     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 "teleporter.h"
    1.36 +
    1.37 +CDetour *canPlayerTeleportDetour = NULL;
    1.38 +
    1.39 +IForward *g_teleportForward = NULL;
    1.40 +
    1.41 +class CTFPlayer;
    1.42 +
    1.43 +DETOUR_DECL_MEMBER1(CanPlayerBeTeleported, bool, CTFPlayer *, pPlayer)
    1.44 +{
    1.45 +	bool origCanTeleport = DETOUR_MEMBER_CALL(CanPlayerBeTeleported)(pPlayer);
    1.46 +
    1.47 +	cell_t teleporterCell = gamehelpers->EntityToBCompatRef((CBaseEntity *)this);
    1.48 +	cell_t playerCell = gamehelpers->EntityToBCompatRef((CBaseEntity *)pPlayer);
    1.49 +
    1.50 +	if (!g_teleportForward)
    1.51 +	{
    1.52 +		g_pSM->LogMessage(myself, "Teleport forward is invalid");
    1.53 +		return origCanTeleport;
    1.54 +	}
    1.55 +
    1.56 +	cell_t returnValue = origCanTeleport ? 1 : 0;
    1.57 +
    1.58 +	g_teleportForward->PushCell(playerCell); // client
    1.59 +	g_teleportForward->PushCell(teleporterCell); // teleporter
    1.60 +	g_teleportForward->PushCellByRef(&returnValue); // return value
    1.61 +
    1.62 +	cell_t result = 0;
    1.63 +
    1.64 +	g_teleportForward->Execute(&result);
    1.65 +
    1.66 +	if (result > Pl_Continue)
    1.67 +	{
    1.68 +		// plugin wants to override the game (returned something other than Plugin_Continue)
    1.69 +		return returnValue == 1;
    1.70 +	}
    1.71 +	else
    1.72 +	{
    1.73 +		return origCanTeleport; // let the game decide
    1.74 +	}
    1.75 +}
    1.76 +
    1.77 +bool InitialiseTeleporterDetour()
    1.78 +{
    1.79 +	canPlayerTeleportDetour = DETOUR_CREATE_MEMBER(CanPlayerBeTeleported, "CanPlayerTeleport");
    1.80 +
    1.81 +	if (canPlayerTeleportDetour != NULL)
    1.82 +	{
    1.83 +		canPlayerTeleportDetour->EnableDetour();
    1.84 +		return true;
    1.85 +	}
    1.86 +
    1.87 +	g_pSM->LogError(myself, "Teleport forward could not be initialized - Disabled hook");
    1.88 +
    1.89 +	return false;
    1.90 +}
    1.91 +
    1.92 +void RemoveTeleporterDetour()
    1.93 +{
    1.94 +	if (canPlayerTeleportDetour != NULL)
    1.95 +	{
    1.96 +		canPlayerTeleportDetour->Destroy();
    1.97 +		canPlayerTeleportDetour = NULL;
    1.98 +	}
    1.99 +}