//**************************************************************************
//**
//**    ##   ##    ##    ##   ##   ####     ####   ###     ###
//**    ##   ##  ##  ##  ##   ##  ##  ##   ##  ##  ####   ####
//**     ## ##  ##    ##  ## ##  ##    ## ##    ## ## ## ## ##
//**     ## ##  ########  ## ##  ##    ## ##    ## ##  ###  ##
//**      ###   ##    ##   ###    ##  ##   ##  ##  ##       ##
//**       #    ##    ##    #      ####     ####   ##       ##
//**
//**    $Id: PowerInvulnerable.vc 2600 2007-08-08 21:15:51Z dj_jl $
//**
//**    Copyright (C) 1999-2006 Jānis Legzdiņš
//**
//**    This program is free software; you can redistribute it and/or
//**  modify it under the terms of the GNU General Public License
//**  as published by the Free Software Foundation; either version 2
//**  of the License, or (at your option) any later version.
//**
//**    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.
//**
//**************************************************************************

class PowerInvulnerable : Powerup;

// For cleric's invulnerability effect
bool			bAltShadow;
bool			bShadow;
bool			bDontDraw;
int				PrevTicTime;

//==========================================================================
//
//	InitEffect
//
//==========================================================================

void InitEffect()
{
	if (!BlendColour)
	{
		BlendColour = LineSpecialGameInfo(
			Level.Game).DefaultInvulnBlendColour;
	}
	//	If we don't have any specific mode, set it to the default of the
	// player class.
	if (!Mode && Owner.bIsPlayer)
	{
		Mode = PlayerEx(Owner.Player).GetInvulnerabilityMode();
	}

	EntityEx(Owner).bInvulnerable = true;
	if (Mode == 'Reflective')
	{
		EntityEx(Owner).bReflective = true;
	}
}

//==========================================================================
//
//	DoEffect
//
//==========================================================================

void DoEffect()
{
	::DoEffect();

	if (!Owner)
	{
		return;
	}

	int TicTime = ftoi(Level.XLevel.Time * 35.0);
	if (TicTime == PrevTicTime)
	{
		return;
	}
	PrevTicTime = TicTime;

	if (Mode == 'Ghost')
	{
		if (!(TicTime & 7) && bShadow && !bDontDraw)
		{
			bShadow = false;
			if (!bAltShadow)
			{
				bDontDraw = true;
				EntityEx(Owner).bNonShootable = true;
			}
		}
		if (!(TicTime & 31))
		{
			if (bDontDraw)
			{
				if (!bShadow)
				{
					bShadow = true;
					bAltShadow = true;
				}
				else
				{
					bDontDraw = false;
					EntityEx(Owner).bNonShootable = false;
				}
			}
			else
			{
				bShadow = true;
				bAltShadow = false;
			}
		}
		if (bDontDraw)
		{
			Owner.Alpha = 0.0;
		}
		else if (bShadow)
		{
			Owner.Alpha = 0.333;
		}
		else if (bAltShadow)
		{
			Owner.Alpha = 0.666;
		}
		else
		{
			Owner.Alpha = 1.0;
		}
	}

	/*if (Mode == 'Ghost')
	{
		if (!(TicTime & 7) && Owner.Alpha > 0.0 && Owner.Alpha < 1.0)
		{
			if (Owner.Alpha == 0.666)
			{
				Owner.Alpha = 0.333;
			}
			else
			{
				Owner.Alpha = 0.0;
				EntityEx(Owner).bNonShootable = true;
			}
		}
		if (!(TicTime & 31))
		{
			if (Owner.Alpha == 0.0)
			{
				Owner.Alpha = 0.333;
				EntityEx(Owner).bNonShootable = false;
			}
			else
			{
				Owner.Alpha = 0.666;
			}
		}
	}*/

	if (Mode == 'Initial')
	{
		if (!(TicTime & 1) && Owner.Alpha > 0.0 && Owner.Alpha < 1.0)
		{
			if (Owner.Alpha == 0.666)
			{
				Owner.Alpha = 0.333;
			}
			else
			{
				Owner.Alpha = 0.0;
			}
		}
		if (!(TicTime & 2))
		{
			if (Owner.Alpha == 0.0)
			{
				Owner.Alpha = 0.333;
			}
			else
			{
				Owner.Alpha = 0.666;
			}
		}
		if (!(TicTime & 3) && Owner.Alpha > 0.0 && Owner.Alpha < 1.0)
		{
			if (Owner.Alpha == 0.666)
			{
				Owner.Alpha = 0.333;
			}
			else
			{
				Owner.Alpha = 0.0;
			}
		}
		if (!(TicTime & 4))
		{
			if (Owner.Alpha == 0.0)
			{
				Owner.Alpha = 0.333;
			}
			else
			{
				Owner.Alpha = 0.666;
			}
		}
	}
}

//==========================================================================
//
//	EndEffect
//
//==========================================================================

void EndEffect()
{
	if (!Owner)
	{
		return;
	}

	EntityEx(Owner).bInvulnerable = false;
	if (Mode == 'Reflective')
	{
		EntityEx(Owner).bReflective = false;
	}
	else if (Mode == 'Ghost')
	{
		EntityEx(Owner).bNonShootable = false;
		Owner.Alpha = 1.0;
	}
	else if (Mode == 'Initial')
	{
		Owner.Alpha = 1.0;
	}

	if (Owner.Player)
	{
		Owner.Player.FixedColourmap = 0;
	}
}

defaultproperties
{
	EffectTime = 30.0;
}