/**
 * vim: set ts=4 :
 * =============================================================================
 * SourceMod SDKTools Extension
 * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
 * =============================================================================
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, version 3.0, as published by the
 * Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * As a special exception, AlliedModders LLC gives you permission to link the
 * code of this program (as well as its derivative works) to "Half-Life 2," the
 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
 * by the Valve Corporation.  You must obey the GNU General Public License in
 * all respects for all other code used.  Additionally, AlliedModders LLC grants
 * this exception to all derivative works.  AlliedModders LLC defines further
 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
 * or <http://www.sourcemod.net/license.php>.
 *
 * Version: $Id$
 */

#include <extension.h>

#define SPEAK_NORMAL		0
#define SPEAK_MUTED			1
#define SPEAK_ALL			2
#define SPEAK_LISTENALL		4
#define SPEAK_TEAM			8
#define SPEAK_LISTENTEAM	16

size_t g_VoiceFlags[65];
size_t g_VoiceFlagsCount = 0;

SH_DECL_HOOK3(IVoiceServer, SetClientListening, SH_NOATTRIB, 0, bool, int, int, bool);

bool SDKTools::OnSetClientListening(int iReceiver, int iSender, bool bListen)
{
	if (g_VoiceFlags[iSender] & SPEAK_MUTED)
	{
		RETURN_META_VALUE_NEWPARAMS(MRES_IGNORED, bListen, &IVoiceServer::SetClientListening, (iReceiver, iSender, false));
	}

	if ((g_VoiceFlags[iSender] & SPEAK_ALL) || (g_VoiceFlags[iReceiver] & SPEAK_LISTENALL))
	{
		RETURN_META_VALUE_NEWPARAMS(MRES_IGNORED, bListen, &IVoiceServer::SetClientListening, (iReceiver, iSender, true));
	}

	if ((g_VoiceFlags[iSender] & SPEAK_TEAM) || (g_VoiceFlags[iReceiver] & SPEAK_LISTENTEAM))
	{
		IGamePlayer *pReceiver = playerhelpers->GetGamePlayer(iReceiver);
		IGamePlayer *pSender = playerhelpers->GetGamePlayer(iSender);

		if (pReceiver && pSender && pReceiver->IsInGame() && pSender->IsInGame())
		{
			IPlayerInfo *pRInfo = pReceiver->GetPlayerInfo();
			IPlayerInfo *pSInfo = pSender->GetPlayerInfo();

			if (pRInfo && pSInfo && pRInfo->GetTeamIndex() == pSInfo->GetTeamIndex())
			{
				RETURN_META_VALUE_NEWPARAMS(MRES_IGNORED, bListen, &IVoiceServer::SetClientListening, (iReceiver, iSender, true));
			}
		}
	}

	RETURN_META_VALUE(MRES_IGNORED, bListen);
}

void SDKTools::OnClientDisconnecting(int client)
{
	if (g_VoiceFlags[client])
	{
		g_VoiceFlags[client] = 0;
		if (!--g_VoiceFlagsCount)
		{
			SH_REMOVE_HOOK_MEMFUNC(IVoiceServer, SetClientListening, voiceserver, &g_SdkTools, &SDKTools::OnSetClientListening, false);
		}
	}
}

static cell_t SetClientListeningFlags(IPluginContext *pContext, const cell_t *params)
{
	IGamePlayer *player = playerhelpers->GetGamePlayer(params[1]);
	if (player == NULL)
	{
		return pContext->ThrowNativeError("Client index %d is invalid", params[1]);
	} else if (!player->IsConnected()) {
		return pContext->ThrowNativeError("Client %d is not connected", params[1]);
	}

	if (!params[2] && g_VoiceFlags[params[1]])
	{
		if (!--g_VoiceFlagsCount)
		{
			SH_REMOVE_HOOK_MEMFUNC(IVoiceServer, SetClientListening, voiceserver, &g_SdkTools, &SDKTools::OnSetClientListening, false);
		}
	} else if (!g_VoiceFlags[params[1]] && params[2]) {

		if (!g_VoiceFlagsCount++)
		{
			SH_ADD_HOOK_MEMFUNC(IVoiceServer, SetClientListening, voiceserver, &g_SdkTools, &SDKTools::OnSetClientListening, false);
		}
	}

	g_VoiceFlags[params[1]] = params[2];

	return 1;
}

static cell_t GetClientListeningFlags(IPluginContext *pContext, const cell_t *params)
{
	IGamePlayer *player = playerhelpers->GetGamePlayer(params[1]);
	if (player == NULL)
	{
		return pContext->ThrowNativeError("Client index %d is invalid", params[1]);
	} else if (!player->IsConnected()) {
		return pContext->ThrowNativeError("Client %d is not connected", params[1]);
	}

	return g_VoiceFlags[params[1]];
}

static cell_t SetClientListening(IPluginContext *pContext, const cell_t *params)
{
	IGamePlayer *player = playerhelpers->GetGamePlayer(params[1]);
	if (player == NULL)
	{
		return pContext->ThrowNativeError("Client index %d is invalid", params[1]);
	} else if (!player->IsConnected()) {
		return pContext->ThrowNativeError("Client %d is not connected", params[1]);
	}

	bool bListen = !params[3] ? false : true;

	return voiceserver->SetClientListening(params[1], params[2], bListen) ? 1 : 0;
}

static cell_t GetClientListening(IPluginContext *pContext, const cell_t *params)
{
	IGamePlayer *player = playerhelpers->GetGamePlayer(params[1]);
	if (player == NULL)
	{
		return pContext->ThrowNativeError("Client index %d is invalid", params[1]);
	} else if (!player->IsConnected()) {
		return pContext->ThrowNativeError("Client %d is not connected", params[1]);
	}

	return voiceserver->GetClientListening(params[1], params[2]) ? 1 : 0;
}

sp_nativeinfo_t g_VoiceNatives[] =
{
	{"SetClientListeningFlags",		SetClientListeningFlags},
	{"GetClientListeningFlags",		GetClientListeningFlags},
	{"SetClientListening",			SetClientListening},
	{"GetClientListening",			GetClientListening},
	{NULL,							NULL},
};