/*
 * Join players in perparation for ScreenGameplayMultiplayer.
 */

#include "global.h"
#include "ScreenJoinMultiplayer.h"
#include "RageInput.h"
class Style;
#include "GameManager.h"
#include "GameState.h"
#include "InputMapper.h"
#include "GameSoundManager.h"
#include "GameCommand.h"

enum MultiPlayerStatus
{
	MultiPlayerStatus_Joined,
	MultiPlayerStatus_NotJoined,
	MultiPlayerStatus_Unplugged,
	MultiPlayerStatus_MissingMultitap,
	NUM_MultiPlayerStatus,
	MultiPlayerStatus_Invalid
};

static const CString MultiPlayerStatusNames[] = {
	"Joined",
	"NotJoined",
	"Unplugged",
	"MissingMultitap",
};
XToString( MultiPlayerStatus, NUM_MultiPlayerStatus );

static bool IsConnected( MultiPlayerStatus s )
{
 	return s == MultiPlayerStatus_Joined || s == MultiPlayerStatus_NotJoined;
}


static MultiPlayerStatus g_MultiPlayerStatus[NUM_MultiPlayer];

REGISTER_SCREEN_CLASS( ScreenJoinMultiplayer );
ScreenJoinMultiplayer::ScreenJoinMultiplayer( CString sClassName ) : ScreenWithMenuElements( sClassName )
{
	FOREACH_MultiPlayer( p )
		g_MultiPlayerStatus[p] = MultiPlayerStatus_Invalid;
}

void ScreenJoinMultiplayer::Init()
{
	ScreenWithMenuElements::Init();

	// Set Style to the first style (should be a one player style)
	vector<const Style*> v;
	GAMEMAN->GetStylesForGame( GAMESTATE->m_pCurGame, v, false );
	GAMESTATE->m_pCurStyle.Set( v[0] );

	FOREACH_MultiPlayer( p )
	{
		GameCommand gc;
		gc.m_iIndex = p;

		Lua *L = LUA->Get();
		gc.PushSelf( L );
		lua_setglobal( L, "ThisGameCommand" );
		LUA->Release( L );

		m_sprPlayer[p].Load( THEME->GetPathG(m_sName, "player") );
		this->AddChild( m_sprPlayer[p] );

		LUA->UnsetGlobal( "ThisGameCommand" );
	}

	m_exprOnCommandFunction.SetFromExpression( THEME->GetMetric(m_sName,"TranformFunction") );

	FOREACH_MultiPlayer( p )
	{
		PositionItem( m_sprPlayer[p], p, NUM_MultiPlayer );
	}

	m_soundPlugIn.Load(	THEME->GetPathS(m_sName,"PlugIn") );
	m_soundUnplug.Load(	THEME->GetPathS(m_sName,"Unplug") );
	m_soundJoin.Load(	THEME->GetPathS(m_sName,"Join") );
	m_soundUnjoin.Load(	THEME->GetPathS(m_sName,"Unjoin") );

	UpdatePlayerStatus();
}

void ScreenJoinMultiplayer::PositionItem( Actor *pActor, int iItemIndex, int iNumItems )
{
	Lua *L = LUA->Get();
	m_exprOnCommandFunction.PushSelf( L );
	ASSERT( !lua_isnil(L, -1) );
	pActor->PushSelf( L );
	LuaHelpers::Push( iItemIndex, L );
	LuaHelpers::Push( iNumItems, L );
	lua_call( L, 3, 0 ); // 3 args, 0 results
	LUA->Release(L);
}

void ScreenJoinMultiplayer::HandleScreenMessage( const ScreenMessage SM )
{
	ScreenWithMenuElements::HandleScreenMessage( SM );
}

void ScreenJoinMultiplayer::Input( const DeviceInput& DeviceI, const InputEventType type, const GameInput &GameI, const MenuInput &MenuI, const StyleInput &StyleI )
{
	if( this->IsTransitioning() )
		return;

	// Translate input and sent to the appropriate player.  Assume that all 
	// joystick devices are mapped the same as the master player.
	if( DeviceI.device >= DEVICE_JOY1  &&  
		DeviceI.device < DEVICE_JOY1 + NUM_MultiPlayer )
	{
		DeviceInput di = DeviceI;
		di.device = DEVICE_JOY1;
		GameInput gi;
		INPUTMAPPER->DeviceToGame( di, gi );

		if( GameI.IsValid() )
		{
			MenuInput mi;
			INPUTMAPPER->GameToMenu( gi, mi );

			MultiPlayer p = (MultiPlayer)(DeviceI.device - DEVICE_JOY1);

			ASSERT( p>=0 && p<NUM_MultiPlayer );
			
			MultiPlayerStatus old = g_MultiPlayerStatus[p];

			switch( mi.button )
			{
			case MENU_BUTTON_UP:
				if( old == MultiPlayerStatus_NotJoined )
				{
					m_soundJoin.Play();
					g_MultiPlayerStatus[p] = MultiPlayerStatus_Joined;
					m_sprPlayer[p]->PlayCommand( MultiPlayerStatusToString(g_MultiPlayerStatus[p]) );
				}
				return;	// input handled
			case MENU_BUTTON_DOWN:
				if( old == MultiPlayerStatus_Joined )
				{
					m_soundUnjoin.Play();
					g_MultiPlayerStatus[p] = MultiPlayerStatus_NotJoined;
					m_sprPlayer[p]->PlayCommand( MultiPlayerStatusToString(g_MultiPlayerStatus[p]) );
				}
				return;	// input handled
			case MENU_BUTTON_BACK:
				MenuBack( GAMESTATE->m_MasterPlayerNumber );
				return;	// input handled
			case MENU_BUTTON_START:
				MenuStart( GAMESTATE->m_MasterPlayerNumber );
				return;	// input handled
			}
		}
	}

	ScreenWithMenuElements::Input( DeviceI, type, GameI, MenuI, StyleI );
}

void ScreenJoinMultiplayer::Update( float fDeltaTime )
{
	ScreenWithMenuElements::Update(fDeltaTime);
}

void ScreenJoinMultiplayer::DrawPrimitives()
{
	ScreenWithMenuElements::DrawPrimitives();
}

void ScreenJoinMultiplayer::UpdatePlayerStatus()
{
	FOREACH_MultiPlayer( p )
	{
		InputDevice id = (InputDevice)p;
	
		MultiPlayerStatus old = g_MultiPlayerStatus[p];
		bool bWasConnected = IsConnected( old );

		MultiPlayerStatus s = MultiPlayerStatus_Invalid;
		switch( INPUTMAN->GetInputDeviceState(id) )
		{
		default:
			ASSERT(0);
		case InputDeviceState_Connected:
			s = MultiPlayerStatus_NotJoined;
			break;
		case InputDeviceState_INVALID:
		case InputDeviceState_Disconnected:
			s = MultiPlayerStatus_Unplugged;
			break;
		case InputDeviceState_MissingMultitap:
			s = MultiPlayerStatus_MissingMultitap;
			break;
		}

		if( old != s )
		{
			m_sprPlayer[p]->PlayCommand( MultiPlayerStatusToString(s) );
			g_MultiPlayerStatus[p] = s;

			bool bIsConnected = IsConnected( s );

			if( !bWasConnected && bIsConnected )
				m_soundPlugIn.Play();
			else if( bWasConnected && !bIsConnected )
				m_soundUnplug.Play();
		}
	}
}

void ScreenJoinMultiplayer::MenuBack( PlayerNumber pn )
{
	SOUND->StopMusic();
	Cancel( SM_GoToPrevScreen );
}

void ScreenJoinMultiplayer::MenuStart( PlayerNumber pn )
{
	this->StartTransitioning( SM_BeginFadingOut );
}


/*
 * (c) 2005 Chris Danford
 * All rights reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, and/or sell copies of the Software, and to permit persons to
 * whom the Software is furnished to do so, provided that the above
 * copyright notice(s) and this permission notice appear in all copies of
 * the Software and that both the above copyright notice(s) and this
 * permission notice appear in supporting documentation.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
 * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
 * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
 * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */