#include "global.h"
#include "DifficultyIcon.h"
#include "RageUtil.h"
#include "GameConstantsAndTypes.h"
#include "RageLog.h"
#include "Steps.h"
#include "GameState.h"
#include "RageDisplay.h"
#include "arch/Dialog/Dialog.h"
#include "Trail.h"
#include "ActorUtil.h"
#include "XmlFile.h"
#include "LuaManager.h"

REGISTER_ACTOR_CLASS(DifficultyIcon);

DifficultyIcon::DifficultyIcon()
{
	m_bBlank = false;
	m_PlayerNumber = PLAYER_1;
}

bool DifficultyIcon::Load( RString sPath )
{
	Sprite::Load( sPath );
	int iStates = GetNumStates();
	bool bWarn = iStates != NUM_Difficulty  &&  iStates != NUM_Difficulty*2;
	if( sPath.find("_blank") != string::npos )
		bWarn = false;
	if( bWarn )
	{
		RString sError = ssprintf(
			"The difficulty icon graphic '%s' must have %d or %d frames.  It has %d states.", 
			sPath.c_str(), 
			NUM_Difficulty,
			NUM_Difficulty*2,
			iStates );
		Dialog::OK( sError );
	}
	StopAnimating();
	return true;
}

void DifficultyIcon::LoadFromNode( const XNode* pNode )
{
	RString sFile;
	if( !ActorUtil::GetAttrPath(pNode, "File", sFile) )
		RageException::Throw( "%s: DifficultyIcon: missing the \"File\" attribute.", ActorUtil::GetWhere(pNode).c_str() );

	Load( sFile );

	// skip Sprite::LoadFromNode
	Actor::LoadFromNode( pNode );
}

void DifficultyIcon::SetPlayer( PlayerNumber pn )
{
	m_PlayerNumber = pn;
}

void DifficultyIcon::SetFromSteps( PlayerNumber pn, const Steps* pSteps )
{
	SetPlayer( pn );
	if( pSteps == NULL )
		Unset();
	else
		SetFromDifficulty( pSteps->GetDifficulty() );
}

void DifficultyIcon::SetFromTrail( PlayerNumber pn, const Trail* pTrail )
{
	SetPlayer( pn );
	if( pTrail == NULL )
		Unset();
	else
		SetFromDifficulty( pTrail->m_CourseDifficulty );
}

void DifficultyIcon::Unset()
{
	m_bBlank = true;
}

void DifficultyIcon::SetFromDifficulty( Difficulty dc )
{
	m_bBlank = false;
	switch( GetNumStates() )
	{
	case NUM_Difficulty:		SetState( dc );				break;
	case NUM_Difficulty*2:		SetState( dc*2+m_PlayerNumber );	break;
	default:			m_bBlank = true;			break;
	}	
}

// lua start
#include "LuaBinding.h"

/** @brief Allow Lua to have access to the DifficultyIcon. */ 
class LunaDifficultyIcon: public Luna<DifficultyIcon>
{
public:
	static int SetFromSteps( T* p, lua_State *L )
	{ 
		if( lua_isnil(L,1) )
		{
			p->Unset();
		}
		else
		{
			Steps *pS = Luna<Steps>::check(L,1);
			p->SetFromSteps( PLAYER_1, pS );
		}
		return 0;
	}
	static int SetFromTrail( T* p, lua_State *L )
	{ 
		if( lua_isnil(L,1) )
		{
			p->Unset();
		}
		else
		{
			Trail *pT = Luna<Trail>::check(L,1);
			p->SetFromTrail( PLAYER_1, pT );
		}
		return 0;
	}
	static int Unset( T* p, lua_State *L )				{ p->Unset(); return 0; }
	static int SetPlayer( T* p, lua_State *L )			{ p->SetPlayer( Enum::Check<PlayerNumber>(L, 1) ); return 0; }
	static int SetFromDifficulty( T* p, lua_State *L )		{ p->SetFromDifficulty( Enum::Check<Difficulty>(L, 1) ); return 0; }

	LunaDifficultyIcon()
	{
		ADD_METHOD( Unset );
		ADD_METHOD( SetPlayer );
		ADD_METHOD( SetFromSteps );
		ADD_METHOD( SetFromTrail );
		ADD_METHOD( SetFromDifficulty );
	}
};

LUA_REGISTER_DERIVED_CLASS( DifficultyIcon, Sprite )
// lua end

/*
 * (c) 2001-2004 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.
 */
