/***
*
*	Copyright (c) 1996-2002, Valve LLC. All rights reserved.
*	
*	This product contains software technology licensed from Id 
*	Software, Inc. ("Id Technology").  Id Technology (c) 1996 Id Software, Inc. 
*	All Rights Reserved.
*
*   This source code contains proprietary and confidential information of
*   Valve LLC and its suppliers.  Access to this code is restricted to
*   persons who have executed a written SDK license with Valve.  Any access,
*   use or distribution of this code by or to any unlicensed person is illegal.
*
****/

#include "extdll.h"
#include "util.h"
#include "cbase.h"
#include "monsters.h"
#include "weapons.h"
#include "nodes.h"
#include "soundent.h"
#include "effects.h"
#include "customentity.h"
#include "osprey.h"

typedef struct 
{
	int isValid;
	EHANDLE hGrunt;
	Vector	vecOrigin;
	Vector  vecAngles;
} t_ospreygrunt;

#define SF_WAITFORTRIGGER	0x40

LINK_ENTITY_TO_CLASS( monster_osprey, COsprey )

TYPEDESCRIPTION	COsprey::m_SaveData[] =
{
	DEFINE_FIELD( COsprey, m_pGoalEnt, FIELD_CLASSPTR ),
	DEFINE_FIELD( COsprey, m_vel1, FIELD_VECTOR ),
	DEFINE_FIELD( COsprey, m_vel2, FIELD_VECTOR ),
	DEFINE_FIELD( COsprey, m_pos1, FIELD_POSITION_VECTOR ),
	DEFINE_FIELD( COsprey, m_pos2, FIELD_POSITION_VECTOR ),
	DEFINE_FIELD( COsprey, m_ang1, FIELD_VECTOR ),
	DEFINE_FIELD( COsprey, m_ang2, FIELD_VECTOR ),

	DEFINE_FIELD( COsprey, m_startTime, FIELD_TIME ),
	DEFINE_FIELD( COsprey, m_dTime, FIELD_FLOAT ),
	DEFINE_FIELD( COsprey, m_velocity, FIELD_VECTOR ),

	DEFINE_FIELD( COsprey, m_flIdealtilt, FIELD_FLOAT ),
	DEFINE_FIELD( COsprey, m_flRotortilt, FIELD_FLOAT ),

	DEFINE_FIELD( COsprey, m_flRightHealth, FIELD_FLOAT ),
	DEFINE_FIELD( COsprey, m_flLeftHealth, FIELD_FLOAT ),

	DEFINE_FIELD( COsprey, m_iUnits, FIELD_INTEGER ),
	DEFINE_ARRAY( COsprey, m_hGrunt, FIELD_EHANDLE, OSPREY_MAX_CARRY ),
	DEFINE_ARRAY( COsprey, m_vecOrigin, FIELD_POSITION_VECTOR, OSPREY_MAX_CARRY ),
	DEFINE_ARRAY( COsprey, m_hRepel, FIELD_EHANDLE, 4 ),

	// DEFINE_FIELD( COsprey, m_iSoundState, FIELD_INTEGER ),
	// DEFINE_FIELD( COsprey, m_iSpriteTexture, FIELD_INTEGER ),
	// DEFINE_FIELD( COsprey, m_iPitch, FIELD_INTEGER ),

	DEFINE_FIELD( COsprey, m_iDoLeftSmokePuff, FIELD_INTEGER ),
	DEFINE_FIELD( COsprey, m_iDoRightSmokePuff, FIELD_INTEGER ),
};

IMPLEMENT_SAVERESTORE( COsprey, CBaseMonster )

void COsprey::Spawn( void )
{
	Precache();
	// motor
	pev->movetype = MOVETYPE_FLY;
	pev->solid = SOLID_BBOX;

	SET_MODEL( ENT( pev ), "models/osprey.mdl" );
	UTIL_SetSize( pev, Vector( -400, -400, -100 ), Vector( 400, 400, 32 ) );
	UTIL_SetOrigin( pev, pev->origin );

	pev->flags |= FL_MONSTER;
	pev->takedamage = DAMAGE_YES;
	m_flRightHealth = 200;
	m_flLeftHealth = 200;
	pev->health = 400;

	m_flFieldOfView = 0; // 180 degrees

	pev->sequence = 0;
	ResetSequenceInfo();
	pev->frame = RANDOM_LONG( 0, 0xFF );

	InitBoneControllers();

	SetThink( &COsprey::FindAllThink );
	SetUse( &COsprey::CommandUse );

	if( !( pev->spawnflags & SF_WAITFORTRIGGER ) )
	{
		pev->nextthink = gpGlobals->time + 1.0f;
	}

	m_pos2 = pev->origin;
	m_ang2 = pev->angles;
	m_vel2 = pev->velocity;
}

void COsprey::Precache( void )
{
	UTIL_PrecacheOther( "monster_human_grunt" );

	PRECACHE_MODEL( "models/osprey.mdl" );
	PRECACHE_MODEL( "models/HVR.mdl" );

	PRECACHE_SOUND( "apache/ap_rotor4.wav" );
	PRECACHE_SOUND( "weapons/mortarhit.wav" );

	m_iSpriteTexture = PRECACHE_MODEL( "sprites/rope.spr" );

	m_iExplode = PRECACHE_MODEL( "sprites/fexplo.spr" );
	m_iTailGibs = PRECACHE_MODEL( "models/osprey_tailgibs.mdl" );
	m_iBodyGibs = PRECACHE_MODEL( "models/osprey_bodygibs.mdl" );
	m_iEngineGibs = PRECACHE_MODEL( "models/osprey_enginegibs.mdl" );
}

void COsprey::CommandUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
	pev->nextthink = gpGlobals->time + 0.1f;
}

void COsprey::FindAllThink( void )
{
	CBaseEntity *pEntity = NULL;
	const char *pszName = "monster_human_grunt";

	if( FClassnameIs( pev, "monster_blkop_osprey" ) )
		pszName = "monster_male_assassin";

	m_iUnits = 0;
	while( m_iUnits < OSPREY_MAX_CARRY && ( pEntity = UTIL_FindEntityByClassname( pEntity, pszName ) ) != NULL )
	{
		if( pEntity->IsAlive() )
		{
			m_hGrunt[m_iUnits] = pEntity;
			m_vecOrigin[m_iUnits] = pEntity->pev->origin;
			m_iUnits++;
		}
	}

	if( m_iUnits == 0 )
	{
		ALERT( at_console, "osprey error: no grunts to resupply\n" );
		UTIL_Remove( this );
		return;
	}
	SetThink( &COsprey::FlyThink );
	pev->nextthink = gpGlobals->time + 0.1f;
	m_startTime = gpGlobals->time;
}

void COsprey::DeployThink( void )
{
	UTIL_MakeAimVectors( pev->angles );

	Vector vecForward = gpGlobals->v_forward;
	Vector vecRight = gpGlobals->v_right;
	Vector vecUp = gpGlobals->v_up;

	Vector vecSrc;

	TraceResult tr;
	UTIL_TraceLine( pev->origin, pev->origin + Vector( 0.0f, 0.0f, -4096.0f ), ignore_monsters, ENT( pev ), &tr );
	CSoundEnt::InsertSound( bits_SOUND_DANGER, tr.vecEndPos, 400, 0.3f );

	vecSrc = pev->origin + vecForward *  32 + vecRight *  100 + vecUp * -96;
	m_hRepel[0] = MakeGrunt( vecSrc );

	vecSrc = pev->origin + vecForward * -64 + vecRight *  100 + vecUp * -96;
	m_hRepel[1] = MakeGrunt( vecSrc );

	vecSrc = pev->origin + vecForward *  32 + vecRight * -100 + vecUp * -96;
	m_hRepel[2] = MakeGrunt( vecSrc );

	vecSrc = pev->origin + vecForward * -64 + vecRight * -100 + vecUp * -96;
	m_hRepel[3] = MakeGrunt( vecSrc );

	SetThink( &COsprey::HoverThink );
	pev->nextthink = gpGlobals->time + 0.1f;
}

BOOL COsprey::HasDead()
{
	for( int i = 0; i < m_iUnits; i++ )
	{
		if( m_hGrunt[i] == 0 || !m_hGrunt[i]->IsAlive() )
		{
			return TRUE;
		}
		else
		{
			m_vecOrigin[i] = m_hGrunt[i]->pev->origin;  // send them to where they died
		}
	}
	return FALSE;
}

CBaseMonster *COsprey::MakeGrunt( Vector vecSrc )
{
	CBaseEntity *pEntity;
	CBaseMonster *pGrunt;
	const char *pszName = "monster_human_grunt";

	if( FClassnameIs( pev, "monster_blkop_osprey" ) )
		pszName = "monster_male_assassin";

	TraceResult tr;
	UTIL_TraceLine( vecSrc, vecSrc + Vector( 0.0f, 0.0f, -4096.0f ), dont_ignore_monsters, ENT( pev ), &tr );
	if( tr.pHit && Instance( tr.pHit )->pev->solid != SOLID_BSP )
		return NULL;

	for( int i = 0; i < m_iUnits; i++ )
	{
		if( m_hGrunt[i] == 0 || !m_hGrunt[i]->IsAlive() )
		{
			if( m_hGrunt[i] != 0 && m_hGrunt[i]->pev->rendermode == kRenderNormal )
			{
				m_hGrunt[i]->SUB_StartFadeOut();
			}
			pEntity = Create( pszName, vecSrc, pev->angles );
			pGrunt = pEntity->MyMonsterPointer();
			pGrunt->pev->movetype = MOVETYPE_FLY;
			pGrunt->pev->velocity = Vector( 0, 0, RANDOM_FLOAT( -196, -128 ) );
			pGrunt->SetActivity( ACT_GLIDE );

			CBeam *pBeam = CBeam::BeamCreate( "sprites/rope.spr", 10 );
			pBeam->PointEntInit( vecSrc + Vector(0,0,112), pGrunt->entindex() );
			pBeam->SetFlags( BEAM_FSOLID );
			pBeam->SetColor( 255, 255, 255 );
			pBeam->SetThink( &CBaseEntity::SUB_Remove );
			pBeam->pev->nextthink = gpGlobals->time + -4096.0f * tr.flFraction / pGrunt->pev->velocity.z + 0.5f;

			// ALERT( at_console, "%d at %.0f %.0f %.0f\n", i, m_vecOrigin[i].x, m_vecOrigin[i].y, m_vecOrigin[i].z );  
			pGrunt->m_vecLastPosition = m_vecOrigin[i];
			m_hGrunt[i] = pGrunt;
			return pGrunt;
		}
	}
	// ALERT( at_console, "none dead\n");
	return NULL;
}

void COsprey::HoverThink( void )
{
	int i;
	for( i = 0; i < 4; i++ )
	{
		if( m_hRepel[i] != 0 && m_hRepel[i]->pev->health > 0 && !( m_hRepel[i]->pev->flags & FL_ONGROUND ) )
		{
			break;
		}
	}

	if( i == 4 )
	{
		m_startTime = gpGlobals->time;
		SetThink( &COsprey::FlyThink );
	}

	pev->nextthink = gpGlobals->time + 0.1f;
	UTIL_MakeAimVectors( pev->angles );
	ShowDamage();
}

void COsprey::UpdateGoal()
{
	if( m_pGoalEnt )
	{
		m_pos1 = m_pos2;
		m_ang1 = m_ang2;
		m_vel1 = m_vel2;
		m_pos2 = m_pGoalEnt->pev->origin;
		m_ang2 = m_pGoalEnt->pev->angles;
		UTIL_MakeAimVectors( Vector( 0, m_ang2.y, 0 ) );
		m_vel2 = gpGlobals->v_forward * m_pGoalEnt->pev->speed;

		m_startTime = m_startTime + m_dTime;
		m_dTime = 2.0f * ( m_pos1 - m_pos2 ).Length() / ( m_vel1.Length() + m_pGoalEnt->pev->speed );

		if( m_ang1.y - m_ang2.y < -180 )
		{
			m_ang1.y += 360;
		}
		else if( m_ang1.y - m_ang2.y > 180 )
		{
			m_ang1.y -= 360;
		}

		if( m_pGoalEnt->pev->speed < 400 )
			m_flIdealtilt = 0;
		else
			m_flIdealtilt = -90;
	}
	else
	{
		ALERT( at_console, "osprey missing target" );
	}
}

void COsprey::FlyThink( void )
{
	StudioFrameAdvance();
	pev->nextthink = gpGlobals->time + 0.1f;

	if( m_pGoalEnt == NULL && !FStringNull( pev->target) )// this monster has a target
	{
		m_pGoalEnt = CBaseEntity::Instance( FIND_ENTITY_BY_TARGETNAME( NULL, STRING( pev->target ) ) );
		UpdateGoal();
	}

	if( gpGlobals->time > m_startTime + m_dTime )
	{
		if( m_pGoalEnt )
		{
			if( m_pGoalEnt->pev->speed == 0 )
			{
				SetThink( &COsprey::DeployThink );
			}

			do{
				m_pGoalEnt = CBaseEntity::Instance( FIND_ENTITY_BY_TARGETNAME( NULL, STRING( m_pGoalEnt->pev->target ) ) );
			} while( m_pGoalEnt && m_pGoalEnt->pev->speed < 400 && !HasDead() );
		}

		UpdateGoal();
	}

	Flight();
	ShowDamage();
}

void COsprey::Flight()
{
	float t = ( gpGlobals->time - m_startTime );
	float scale = 1.0f / m_dTime;

	float f = UTIL_SplineFraction( t * scale, 1.0f );

	Vector pos = ( m_pos1 + m_vel1 * t ) * ( 1.0f - f ) + ( m_pos2 - m_vel2 * ( m_dTime - t ) ) * f;
	Vector ang = ( m_ang1 ) * ( 1.0f - f ) + ( m_ang2 ) * f;
	m_velocity = m_vel1 * ( 1.0f - f ) + m_vel2 * f;

	UTIL_SetOrigin( pev, pos );
	pev->angles = ang;
	UTIL_MakeAimVectors( pev->angles );
	float flSpeed = DotProduct( gpGlobals->v_forward, m_velocity );

	// float flSpeed = DotProduct( gpGlobals->v_forward, pev->velocity );

	float m_flIdealtilt = ( 160.0f - flSpeed ) / 10.0f;

	// ALERT( at_console, "%f %f\n", flSpeed, flIdealtilt );
	if( m_flRotortilt < m_flIdealtilt )
	{
		m_flRotortilt += 0.5f;
		if ( m_flRotortilt > 0 )
			m_flRotortilt = 0;
	}
	if( m_flRotortilt > m_flIdealtilt )
	{
		m_flRotortilt -= 0.5f;
		if( m_flRotortilt < -90 )
			m_flRotortilt = -90;
	}
	SetBoneController( 0, m_flRotortilt );

	if( m_iSoundState == 0 )
	{
		EMIT_SOUND_DYN( ENT( pev ), CHAN_STATIC, "apache/ap_rotor4.wav", 1.0, 0.15, 0, 110 );
		// EMIT_SOUND_DYN( ENT( pev ), CHAN_STATIC, "apache/ap_whine1.wav", 0.5, 0.2, 0, 110 );

		m_iSoundState = SND_CHANGE_PITCH; // hack for going through level transitions
	}
	else
	{
		CBaseEntity *pPlayer = NULL;

		pPlayer = UTIL_FindEntityByClassname( NULL, "player" );
		// UNDONE: this needs to send different sounds to every player for multiplayer.	
		if( pPlayer )
		{
			float pitch = DotProduct( m_velocity - pPlayer->pev->velocity, ( pPlayer->pev->origin - pev->origin ).Normalize() );

			pitch = (int)( 100 + pitch / 75.0f );

			if( pitch > 250 ) 
				pitch = 250;
			if( pitch < 50 )
				pitch = 50;

			if( pitch == 100 )
				pitch = 101;

			if( pitch != m_iPitch )
			{
				m_iPitch = pitch;
				EMIT_SOUND_DYN( ENT( pev ), CHAN_STATIC, "apache/ap_rotor4.wav", 1.0, 0.15, SND_CHANGE_PITCH | SND_CHANGE_VOL, pitch );
				// ALERT( at_console, "%.0f\n", pitch );
			}
		}
		// EMIT_SOUND_DYN( ENT( pev ), CHAN_STATIC, "apache/ap_whine1.wav", flVol, 0.2, SND_CHANGE_PITCH | SND_CHANGE_VOL, pitch );
	}

}

void COsprey::HitTouch( CBaseEntity *pOther )
{
	pev->nextthink = gpGlobals->time + 2.0f;
}

/*
int COsprey::TakeDamage( entvars_t *pevInflictor, entvars_t *pevAttacker, float flDamage, int bitsDamageType )
{
	if( m_flRotortilt <= -90 )
	{
		m_flRotortilt = 0;
	}
	else
	{
		m_flRotortilt -= 45;
	}
	SetBoneController( 0, m_flRotortilt );
	return 0;
}
*/

void COsprey::Killed( entvars_t *pevAttacker, int iGib )
{
	pev->movetype = MOVETYPE_TOSS;
	pev->gravity = 0.3f;
	pev->velocity = m_velocity;
	pev->avelocity = Vector( RANDOM_FLOAT( -20, 20 ), 0, RANDOM_FLOAT( -50, 50 ) );
	STOP_SOUND( ENT( pev ), CHAN_STATIC, "apache/ap_rotor4.wav" );

	UTIL_SetSize( pev, Vector( -32, -32, -64 ), Vector( 32, 32, 0 ) );
	SetThink( &COsprey::DyingThink );
	SetTouch( &COsprey::CrashTouch );
	pev->nextthink = gpGlobals->time + 0.1f;
	pev->health = 0;
	pev->takedamage = DAMAGE_NO;

	m_startTime = gpGlobals->time + 4.0f;
}

void COsprey::CrashTouch( CBaseEntity *pOther )
{
	// only crash if we hit something solid
	if( pOther->pev->solid == SOLID_BSP )
	{
		SetTouch( NULL );
		m_startTime = gpGlobals->time;
		pev->nextthink = gpGlobals->time;
		m_velocity = pev->velocity;
	}
}

void COsprey::DyingThink( void )
{
	StudioFrameAdvance();
	pev->nextthink = gpGlobals->time + 0.1f;

	pev->avelocity = pev->avelocity * 1.02f;

	// still falling?
	if( m_startTime > gpGlobals->time )
	{
		UTIL_MakeAimVectors( pev->angles );
		ShowDamage();

		Vector vecSpot = pev->origin + pev->velocity * 0.2f;

		// random explosions
		MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, vecSpot );
			WRITE_BYTE( TE_EXPLOSION );		// This just makes a dynamic light now
			WRITE_COORD( vecSpot.x + RANDOM_FLOAT( -150.0f, 150.0f ) );
			WRITE_COORD( vecSpot.y + RANDOM_FLOAT( -150.0f, 150.0f ) );
			WRITE_COORD( vecSpot.z + RANDOM_FLOAT( -150.0f, -50.0f ) );
			WRITE_SHORT( g_sModelIndexFireball );
			WRITE_BYTE( RANDOM_LONG( 0, 29 ) + 30 ); // scale * 10
			WRITE_BYTE( 12 ); // framerate
			WRITE_BYTE( TE_EXPLFLAG_NONE );
		MESSAGE_END();

		// lots of smoke
		MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, vecSpot );
			WRITE_BYTE( TE_SMOKE );
			WRITE_COORD( vecSpot.x + RANDOM_FLOAT( -150.0f, 150.0f ) );
			WRITE_COORD( vecSpot.y + RANDOM_FLOAT( -150.0f, 150.0f ) );
			WRITE_COORD( vecSpot.z + RANDOM_FLOAT( -150.0f, -50.0f ) );
			WRITE_SHORT( g_sModelIndexSmoke );
			WRITE_BYTE( 100 ); // scale * 10
			WRITE_BYTE( 10 ); // framerate
		MESSAGE_END();

		vecSpot = pev->origin + ( pev->mins + pev->maxs ) * 0.5f;
		MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, vecSpot );
			WRITE_BYTE( TE_BREAKMODEL);

			// position
			WRITE_COORD( vecSpot.x );
			WRITE_COORD( vecSpot.y );
			WRITE_COORD( vecSpot.z );

			// size
			WRITE_COORD( 800 );
			WRITE_COORD( 800 );
			WRITE_COORD( 132 );

			// velocity
			WRITE_COORD( pev->velocity.x ); 
			WRITE_COORD( pev->velocity.y );
			WRITE_COORD( pev->velocity.z );

			// randomization
			WRITE_BYTE( 50 ); 

			// Model
			WRITE_SHORT( m_iTailGibs );	//model id#

			// # of shards
			WRITE_BYTE( 8 );	// let client decide

			// duration
			WRITE_BYTE( 200 );// 10.0 seconds

			// flags
			WRITE_BYTE( BREAK_METAL );
		MESSAGE_END();

		// don't stop it we touch a entity
		pev->flags &= ~FL_ONGROUND;
		pev->nextthink = gpGlobals->time + 0.2f;
		return;
	}
	else
	{
		Vector vecSpot = pev->origin + ( pev->mins + pev->maxs ) * 0.5f;

		/*
		MESSAGE_BEGIN( MSG_BROADCAST, SVC_TEMPENTITY );
			WRITE_BYTE( TE_EXPLOSION);		// This just makes a dynamic light now
			WRITE_COORD( vecSpot.x );
			WRITE_COORD( vecSpot.y );
			WRITE_COORD( vecSpot.z + 512 );
			WRITE_SHORT( m_iExplode );
			WRITE_BYTE( 250 ); // scale * 10
			WRITE_BYTE( 10 ); // framerate
		MESSAGE_END();
		*/

		// gibs
		MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, vecSpot );
			WRITE_BYTE( TE_SPRITE );
			WRITE_COORD( vecSpot.x );
			WRITE_COORD( vecSpot.y );
			WRITE_COORD( vecSpot.z + 512 );
			WRITE_SHORT( m_iExplode );
			WRITE_BYTE( 250 ); // scale * 10
			WRITE_BYTE( 255 ); // brightness
		MESSAGE_END();

		/*
		MESSAGE_BEGIN( MSG_BROADCAST, SVC_TEMPENTITY );
			WRITE_BYTE( TE_SMOKE );
			WRITE_COORD( vecSpot.x );
			WRITE_COORD( vecSpot.y );
			WRITE_COORD( vecSpot.z + 300 );
			WRITE_SHORT( g_sModelIndexSmoke );
			WRITE_BYTE( 250 ); // scale * 10
			WRITE_BYTE( 6 ); // framerate
		MESSAGE_END();
		*/

		// blast circle
		MESSAGE_BEGIN( MSG_PAS, SVC_TEMPENTITY, pev->origin );
			WRITE_BYTE( TE_BEAMCYLINDER );
			WRITE_COORD( pev->origin.x);
			WRITE_COORD( pev->origin.y);
			WRITE_COORD( pev->origin.z);
			WRITE_COORD( pev->origin.x);
			WRITE_COORD( pev->origin.y);
			WRITE_COORD( pev->origin.z + 2000 ); // reach damage radius over .2 seconds
			WRITE_SHORT( m_iSpriteTexture );
			WRITE_BYTE( 0 ); // startframe
			WRITE_BYTE( 0 ); // framerate
			WRITE_BYTE( 4 ); // life
			WRITE_BYTE( 32 );  // width
			WRITE_BYTE( 0 );   // noise
			WRITE_BYTE( 255 );   // r, g, b
			WRITE_BYTE( 255 );   // r, g, b
			WRITE_BYTE( 192 );   // r, g, b
			WRITE_BYTE( 128 ); // brightness
			WRITE_BYTE( 0 );		// speed
		MESSAGE_END();

		EMIT_SOUND( ENT( pev ), CHAN_STATIC, "weapons/mortarhit.wav", 1.0, 0.3f );

		RadiusDamage( pev->origin, pev, pev, 300, CLASS_NONE, DMG_BLAST );

		// gibs
		vecSpot = pev->origin + ( pev->mins + pev->maxs ) * 0.5f;
		MESSAGE_BEGIN( MSG_PAS, SVC_TEMPENTITY, vecSpot );
			WRITE_BYTE( TE_BREAKMODEL);

			// position
			WRITE_COORD( vecSpot.x );
			WRITE_COORD( vecSpot.y );
			WRITE_COORD( vecSpot.z + 64 );

			// size
			WRITE_COORD( 800 );
			WRITE_COORD( 800 );
			WRITE_COORD( 128 );

			// velocity
			WRITE_COORD( m_velocity.x ); 
			WRITE_COORD( m_velocity.y );
			WRITE_COORD( fabs( m_velocity.z ) * 0.25f );

			// randomization
			WRITE_BYTE( 40 ); 

			// Model
			WRITE_SHORT( m_iBodyGibs );	//model id#

			// # of shards
			WRITE_BYTE( 128 );

			// duration
			WRITE_BYTE( 200 );// 10.0 seconds

			// flags
			WRITE_BYTE( BREAK_METAL );
		MESSAGE_END();

		UTIL_Remove( this );
	}
}

void COsprey::ShowDamage( void )
{
	if( m_iDoLeftSmokePuff > 0 || RANDOM_LONG( 0, 99 ) > m_flLeftHealth )
	{
		Vector vecSrc = pev->origin + gpGlobals->v_right * -340;
		MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, vecSrc );
			WRITE_BYTE( TE_SMOKE );
			WRITE_COORD( vecSrc.x );
			WRITE_COORD( vecSrc.y );
			WRITE_COORD( vecSrc.z );
			WRITE_SHORT( g_sModelIndexSmoke );
			WRITE_BYTE( RANDOM_LONG( 0, 9 ) + 20 ); // scale * 10
			WRITE_BYTE( 12 ); // framerate
		MESSAGE_END();
		if( m_iDoLeftSmokePuff > 0 )
			m_iDoLeftSmokePuff--;
	}
	if( m_iDoRightSmokePuff > 0 || RANDOM_LONG( 0, 99 ) > m_flRightHealth )
	{
		Vector vecSrc = pev->origin + gpGlobals->v_right * 340;
		MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, vecSrc );
			WRITE_BYTE( TE_SMOKE );
			WRITE_COORD( vecSrc.x );
			WRITE_COORD( vecSrc.y );
			WRITE_COORD( vecSrc.z );
			WRITE_SHORT( g_sModelIndexSmoke );
			WRITE_BYTE( RANDOM_LONG( 0, 9 ) + 20 ); // scale * 10
			WRITE_BYTE( 12 ); // framerate
		MESSAGE_END();
		if( m_iDoRightSmokePuff > 0 )
			m_iDoRightSmokePuff--;
	}
}

void COsprey::TraceAttack( entvars_t *pevAttacker, float flDamage, Vector vecDir, TraceResult *ptr, int bitsDamageType )
{
	// ALERT( at_console, "%d %.0f\n", ptr->iHitgroup, flDamage );

	// only so much per engine
	if( ptr->iHitgroup == 3 )
	{
		if( m_flRightHealth < 0 )
			return;
		else
			m_flRightHealth -= flDamage;
		m_iDoLeftSmokePuff = 3 + ( flDamage / 5.0f );
	}

	if( ptr->iHitgroup == 2 )
	{
		if( m_flLeftHealth < 0 )
			return;
		else
			m_flLeftHealth -= flDamage;
		m_iDoRightSmokePuff = 3 + ( flDamage / 5.0f );
	}

	// hit hard, hits cockpit, hits engines
	if( flDamage > 50 || ptr->iHitgroup == 1 || ptr->iHitgroup == 2 || ptr->iHitgroup == 3 )
	{
		// ALERT( at_console, "%.0f\n", flDamage );
		AddMultiDamage( pevAttacker, this, flDamage, bitsDamageType );
	}
	else
	{
		UTIL_Sparks( ptr->vecEndPos );
	}
}