/**

  * vim: set ts=4 :

  * =============================================================================

  * SourceMod

  * 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 "sm_stringutil.h"

 #include "PlayerManager.h"

 #include "MenuStyle_Valve.h"

 #include "Translator.h"

 #include "PlayerManager.h"

 #include "ConCmdManager.h"

 SH_DECL_HOOK4_void(IServerPluginHelpers, CreateMessage, SH_NOATTRIB, false, edict_t *, DIALOG_TYPE, KeyValues *, IServerPluginCallbacks *);

 ValveMenuStyle g_ValveMenuStyle;

 extern const char *g_OptionNumTable[];

 extern const char *g_OptionCmdTable[];

 CallClass<IServerPluginHelpers> *g_pSPHCC = NULL;

 ValveMenuStyle::ValveMenuStyle() : m_players(new CValveMenuPlayer[256+1])

 {

 }

 CBaseMenuPlayer *ValveMenuStyle::GetMenuPlayer(int client)

 {

 	return &m_players[client];

 }

 bool ValveMenuStyle::OnClientCommand(int client, const char *cmdname, const CCommand &cmd)

 {

 	if (strcmp(cmdname, "sm_vmenuselect") == 0)

 	{

 		int key_press = atoi(cmd.Arg(1));

 		g_ValveMenuStyle.ClientPressedKey(client, key_press);

 		return true;

 	}

 	return false;

 }

 void ValveMenuStyle::OnSourceModAllInitialized()

 {

 	g_Players.AddClientListener(this);

 	SH_ADD_HOOK_MEMFUNC(IServerPluginHelpers, CreateMessage, serverpluginhelpers, this, &ValveMenuStyle::HookCreateMessage, false);

 	g_pSPHCC = SH_GET_CALLCLASS(serverpluginhelpers);

 }

 void ValveMenuStyle::OnSourceModShutdown()

 {

 	SH_RELEASE_CALLCLASS(g_pSPHCC);

 	SH_REMOVE_HOOK_MEMFUNC(IServerPluginHelpers, CreateMessage, serverpluginhelpers, this, &ValveMenuStyle::HookCreateMessage, false);

 	g_Players.RemoveClientListener(this);

 }

 void ValveMenuStyle::HookCreateMessage(edict_t *pEdict,

 									   DIALOG_TYPE type,

 									   KeyValues *kv,

 									   IServerPluginCallbacks *plugin)

 {

 	if (type != DIALOG_MENU)

 	{

 		return;

 	}

 	int client = engine->IndexOfEdict(pEdict);

 	if (client < 1 || client > 256)

 	{

 		return;

 	}

 	CValveMenuPlayer *player = &m_players[client];

 	/* We don't care if the player is in a menu because, for all intents and purposes,

 	 * the menu is completely private.  Instead, we just figure out the level we'll need

 	 * in order to override it.

 	 */

 	player->curPrioLevel = kv->GetInt("level", player->curPrioLevel);

 	/* Oh no! What happens if we got a menu that overwrites ours?! */

 	if (player->bInMenu)

 	{

 		/* Okay, let the external menu survive for now.  It may live another 

 		 * day to avenge its grandfather, killed in the great Menu Interruption

 		 * battle.

 		 */

 		_CancelClientMenu(client, MenuCancel_Interrupted, true);

 	}

 }

 IMenuPanel *ValveMenuStyle::CreatePanel()

 {

 	return new CValveMenuDisplay();

 }

 IBaseMenu *ValveMenuStyle::CreateMenu(IMenuHandler *pHandler, IdentityToken_t *pOwner)

 {

 	return new CValveMenu(pHandler, pOwner);

 }

 const char *ValveMenuStyle::GetStyleName()

 {

 	return "valve";

 }

 unsigned int ValveMenuStyle::GetMaxPageItems()

 {

 	return 8;

 }

 void ValveMenuStyle::SendDisplay(int client, IMenuPanel *display)

 {

 	m_players[client].curPrioLevel--;

 	CValveMenuDisplay *vDisplay = (CValveMenuDisplay *)display;

 	vDisplay->SendRawDisplay(client, m_players[client].curPrioLevel, m_players[client].menuHoldTime);

 }

 bool ValveMenuStyle::DoClientMenu(int client, IMenuPanel *menu, IMenuHandler *mh, unsigned int time)

 {

 	if (vsp_interface == NULL)

 	{

 		return false;

 	}

 	return BaseMenuStyle::DoClientMenu(client, menu, mh, time);

 }

 bool ValveMenuStyle::DoClientMenu(int client, CBaseMenu *menu, unsigned int first_item, IMenuHandler *mh, unsigned int time)

 {

 	if (vsp_interface == NULL)

 	{

 		mh->OnMenuStart(menu);

 		mh->OnMenuCancel(menu, client, MenuCancel_NoDisplay);

 		mh->OnMenuEnd(menu, MenuEnd_Cancelled);

 		return false;

 	}

 	return BaseMenuStyle::DoClientMenu(client, menu, first_item, mh, time);

 }

 unsigned int ValveMenuStyle::GetApproxMemUsage()

 {

 	return sizeof(ValveMenuStyle) + (sizeof(CValveMenuPlayer) * 257);

 }

 CValveMenuDisplay::CValveMenuDisplay()

 {

 	m_pKv = NULL;

 	Reset();

 }

 CValveMenuDisplay::CValveMenuDisplay(CValveMenu *pMenu)

 {

 	m_pKv = NULL;

 	Reset();

 	m_pKv->SetColor("color", pMenu->m_IntroColor);

 	m_pKv->SetString("title", pMenu->m_IntroMsg);

 }

 void CValveMenuDisplay::DeleteThis()

 {

 	delete this;

 }

 CValveMenuDisplay::~CValveMenuDisplay()

 {

 	m_pKv->deleteThis();

 }

 IMenuStyle *CValveMenuDisplay::GetParentStyle()

 {

 	return &g_ValveMenuStyle;

 }

 void CValveMenuDisplay::Reset()

 {

 	if (m_pKv)

 	{

 		m_pKv->deleteThis();

 	}

 	m_pKv = new KeyValues("menu");

 	m_NextPos = 1;

 	m_TitleDrawn = false;

 }

 unsigned int CValveMenuDisplay::GetCurrentKey()

 {

 	return m_NextPos;

 }

 bool CValveMenuDisplay::SetCurrentKey(unsigned int key)

 {

 	if (key < m_NextPos || key > 9)

 	{

 		return false;

 	}

 	m_NextPos = key;

 	return true;

 }

 bool CValveMenuDisplay::SetExtOption(MenuOption option, const void *valuePtr)

 {

 	if (option == MenuOption_IntroMessage)

 	{

 		m_pKv->SetString("title", (const char *)valuePtr);

 		return true;

 	} else if (option == MenuOption_IntroColor) {

 		int *array = (int *)valuePtr;

 		m_pKv->SetColor("color", Color(array[0], array[1], array[2], array[3]));

 		return true;

 	} else if (option == MenuOption_Priority) {

 		m_pKv->SetInt("level", *(int *)valuePtr);

 		return true;

 	}

 	return false;

 }

 bool CValveMenuDisplay::CanDrawItem(unsigned int drawFlags)

 {

 	/**

 	 * ITEMDRAW_RAWLINE - We can't draw random text, and this doesn't add a slot,

 	 *  so it's completely safe to ignore it.

 	 * -----------------------------------------

 	 */

 	if (drawFlags & ITEMDRAW_RAWLINE)

 	{

 		return false;

 	}

 	/**

 	 * Special cases, explained in DrawItem()

 	 */

 	if ((drawFlags & ITEMDRAW_NOTEXT)

 		|| (drawFlags & ITEMDRAW_SPACER))

 	{

 		return true;

 	}

 	/**

 	 * We can't draw disabled text.  We could bump the position, but we

 	 * want DirectDraw() to find some actual items to display.

 	 */

 	if (drawFlags & ITEMDRAW_DISABLED)

 	{

 		return false;

 	}

 	return true;

 }

 unsigned int CValveMenuDisplay::DrawItem(const ItemDrawInfo &item)

 {

 	if (m_NextPos > 9 || !CanDrawItem(item.style))

 	{

 		return 0;

 	}

 	/**

 	 * For these cases we can't draw anything at all, but

 	 * we can at least bump the position since we were explicitly asked to.

 	 */

 	if ((item.style & ITEMDRAW_NOTEXT)

 		|| (item.style & ITEMDRAW_SPACER))

 	{

 		return m_NextPos++;

 	}

 	char buffer[255];

 	UTIL_Format(buffer, sizeof(buffer), "%d. %s", m_NextPos, item.display);

 	KeyValues *ki = m_pKv->FindKey(g_OptionNumTable[m_NextPos], true);

 	ki->SetString("command", g_OptionCmdTable[m_NextPos]);

 	ki->SetString("msg", buffer);

 	return m_NextPos++;

 }

 void CValveMenuDisplay::DrawTitle(const char *text, bool onlyIfEmpty/* =false */)

 {

 	if (onlyIfEmpty && m_TitleDrawn)

 	{

 		return;

 	}

 	m_pKv->SetString("msg", text);

 	m_TitleDrawn = true;

 }

 bool CValveMenuDisplay::DrawRawLine(const char *rawline)

 {

 	return false;

 }

 void CValveMenuDisplay::SendRawDisplay(int client, int priority, unsigned int time)

 {

 	m_pKv->SetInt("level", priority);

 	m_pKv->SetInt("time", time ? time : 200);

 	SH_CALL(g_pSPHCC, &IServerPluginHelpers::CreateMessage)(

 		engine->PEntityOfEntIndex(client),

 		DIALOG_MENU,

 		m_pKv,

 		vsp_interface);

 }

 bool CValveMenuDisplay::SendDisplay(int client, IMenuHandler *handler, unsigned int time)

 {

 	return g_ValveMenuStyle.DoClientMenu(client, this, handler, time);

 }

 bool CValveMenuDisplay::SetSelectableKeys(unsigned int keymap)

 {

 	return false;

 }

 int CValveMenuDisplay::GetAmountRemaining()

 {

 	/* :TODO: this is a lie, but nothing really seems meaningful... */

 	return -1;

 }

 unsigned int CValveMenuDisplay::GetApproxMemUsage()

 {

 	return sizeof(CValveMenuDisplay) + (sizeof(KeyValues) * m_NextPos * 10);

 }

 CValveMenu::CValveMenu(IMenuHandler *pHandler, IdentityToken_t *pOwner) : 

 CBaseMenu(pHandler, &g_ValveMenuStyle, pOwner), 

 	m_IntroColor(255, 0, 0, 255)

 {

 	strcpy(m_IntroMsg, "You have a menu, press ESC");

 	m_Pagination = 5;

 }

 void CValveMenu::Cancel_Finally()

 {

 	g_ValveMenuStyle.CancelMenu(this);

 }

 bool CValveMenu::SetPagination(unsigned int itemsPerPage)

 {

 	if (itemsPerPage > 5)

 	{

 		return false;

 	}

 	return CBaseMenu::SetPagination(itemsPerPage);

 }

 bool CValveMenu::SetExtOption(MenuOption option, const void *valuePtr)

 {

 	if (option == MenuOption_IntroMessage)

 	{

 		strncopy(m_IntroMsg, (const char *)valuePtr, sizeof(m_IntroMsg));

 		return true;

 	} else if (option == MenuOption_IntroColor) {

 		unsigned int *array = (unsigned int *)valuePtr;

 		m_IntroColor = Color(array[0], array[1], array[2], array[3]);

 		return true;

 	}

 	return false;

 }

 bool CValveMenu::Display(int client, unsigned int time, IMenuHandler *alt_handler)

 {

 	return DisplayAtItem(client, time, 0, alt_handler);

 }

 bool CValveMenu::DisplayAtItem(int client,

 							   unsigned int time,

 							   unsigned int start_item,

 							   IMenuHandler *alt_handler/* =NULL */)

 {

 	if (m_bCancelling)

 	{

 		return false;

 	}

 	return g_ValveMenuStyle.DoClientMenu(client, this, start_item, alt_handler ? alt_handler : m_pHandler, time);

 }

 IMenuPanel *CValveMenu::CreatePanel()

 {

 	return new CValveMenuDisplay(this);

 }

 void CValveMenu::SetMenuOptionFlags(unsigned int flags)

 {

 	flags |= MENUFLAG_BUTTON_EXIT;

 	CBaseMenu::SetMenuOptionFlags(flags);

 }

 unsigned int CValveMenu::GetApproxMemUsage()

 {

 	return sizeof(CValveMenu) + GetBaseMemUsage();

 }

 const char *g_OptionNumTable[] = 

 {

 	"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10"

 };

 const char *g_OptionCmdTable[] = 

 {

 	"sm_vmenuselect 0", /* INVALID! */

 	"sm_vmenuselect 1",

 	"sm_vmenuselect 2",

 	"sm_vmenuselect 3",

 	"sm_vmenuselect 4",

 	"sm_vmenuselect 5",

 	"sm_vmenuselect 6",

 	"sm_vmenuselect 7",

 	"sm_vmenuselect 8",

 	"sm_vmenuselect 9",

 	"sm_vmenuselect 10"

 };