/***
*
*	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.
*
****/
#if !OEM_BUILD && !HLDEMO_BUILD

//=========================================================
// monster template
//=========================================================

#include	"extdll.h"
#include	"util.h"
#include	"cbase.h"
#include	"monsters.h"
#include	"schedule.h"
#include	"decals.h"
#include	"weapons.h"
#include	"game.h"

//LRC brought in from animation.h
#define ACTIVITY_NOT_AVAILABLE		-1

#define SF_INFOBM_RUN		0x0001
#define SF_INFOBM_WAIT		0x0002

// AI Nodes for Big Momma
class CInfoBM : public CPointEntity
{
public:
	void Spawn( void );
	void KeyValue( KeyValueData* pkvd );

	// name in pev->targetname
	// next in pev->target
	// radius in pev->scale
	// health in pev->health
	// Reach target in pev->message
	// Reach delay in pev->speed
	// Reach sequence in pev->netname
	
	virtual int Save( CSave &save );
	virtual int Restore( CRestore &restore );
	static TYPEDESCRIPTION m_SaveData[];

	string_t m_preSequence;
};

LINK_ENTITY_TO_CLASS( info_bigmomma, CInfoBM )

TYPEDESCRIPTION	CInfoBM::m_SaveData[] =
{
	DEFINE_FIELD( CInfoBM, m_preSequence, FIELD_STRING ),
};

IMPLEMENT_SAVERESTORE( CInfoBM, CPointEntity )

void CInfoBM::Spawn( void )
{
}

void CInfoBM::KeyValue( KeyValueData* pkvd )
{
	if( FStrEq( pkvd->szKeyName, "radius" ) )
	{
		pev->scale = atof( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "reachdelay" ) )
	{
		pev->speed = atof( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "reachtarget" ) )
	{
		pev->message = ALLOC_STRING( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "reachsequence" ) )
	{
		pev->netname = ALLOC_STRING( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else if( FStrEq( pkvd->szKeyName, "presequence" ) )
	{
		m_preSequence = ALLOC_STRING( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else
		CPointEntity::KeyValue( pkvd );
}

//=========================================================
// Mortar shot entity
//=========================================================
class CBMortar : public CBaseEntity
{
public:
	void Spawn( void );

	static CBMortar *Shoot( edict_t *pOwner, Vector vecStart, Vector vecVelocity );
	void Touch( CBaseEntity *pOther );
	void EXPORT Animate( void );

	virtual int Save( CSave &save );
	virtual int Restore( CRestore &restore );
	static TYPEDESCRIPTION m_SaveData[];

	int m_maxFrame;
};

LINK_ENTITY_TO_CLASS( bmortar, CBMortar )

TYPEDESCRIPTION	CBMortar::m_SaveData[] =
{
	DEFINE_FIELD( CBMortar, m_maxFrame, FIELD_INTEGER ),
};

IMPLEMENT_SAVERESTORE( CBMortar, CBaseEntity )

//=========================================================
// Monster's Anim Events Go Here
//=========================================================
#define	BIG_AE_STEP1			1		// Footstep left
#define	BIG_AE_STEP2			2		// Footstep right
#define	BIG_AE_STEP3			3		// Footstep back left
#define	BIG_AE_STEP4			4		// Footstep back right
#define BIG_AE_SACK			5		// Sack slosh
#define BIG_AE_DEATHSOUND		6		// Death sound

#define	BIG_AE_MELEE_ATTACKBR		8		// Leg attack
#define	BIG_AE_MELEE_ATTACKBL		9		// Leg attack
#define	BIG_AE_MELEE_ATTACK1		10		// Leg attack
#define BIG_AE_MORTAR_ATTACK1		11		// Launch a mortar
#define BIG_AE_LAY_CRAB			12		// Lay a headcrab
#define BIG_AE_JUMP_FORWARD		13		// Jump up and forward
#define BIG_AE_SCREAM			14		// alert sound
#define BIG_AE_PAIN_SOUND		15		// pain sound
#define BIG_AE_ATTACK_SOUND		16		// attack sound
#define BIG_AE_BIRTH_SOUND		17		// birth sound
#define BIG_AE_EARLY_TARGET		50		// Fire target early

// User defined conditions
#define bits_COND_NODE_SEQUENCE			( bits_COND_SPECIAL1 )		// pev->netname contains the name of a sequence to play

// Attack distance constants
#define	BIG_ATTACKDIST			170.0f
#define BIG_MORTARDIST			800.0f
#define BIG_MAXCHILDREN			20			// Max # of live headcrab children

#define bits_MEMORY_CHILDPAIR		( bits_MEMORY_CUSTOM1 )
#define bits_MEMORY_ADVANCE_NODE	( bits_MEMORY_CUSTOM2 )
#define bits_MEMORY_COMPLETED_NODE	( bits_MEMORY_CUSTOM3 )
#define bits_MEMORY_FIRED_NODE		( bits_MEMORY_CUSTOM4 )

int gSpitSprite, gSpitDebrisSprite;
Vector VecCheckSplatToss( entvars_t *pev, const Vector &vecSpot1, Vector vecSpot2, float maxHeight );
void MortarSpray( const Vector &position, const Vector &direction, int spriteModel, int count );

// UNDONE:
//
#define BIG_CHILDCLASS		"monster_babycrab"

class CBigMomma : public CBaseMonster
{
public:
	void Spawn( void );
	void Precache( void );
	void KeyValue( KeyValueData *pkvd );
	void Activate( void );
	int TakeDamage( entvars_t *pevInflictor, entvars_t *pevAttacker, float flDamage, int bitsDamageType );

	void RunTask( Task_t *pTask );
	void StartTask( Task_t *pTask );
	Schedule_t *GetSchedule( void );
	Schedule_t *GetScheduleOfType( int Type );
	void TraceAttack( entvars_t *pevAttacker, float flDamage, Vector vecDir, TraceResult *ptr, int bitsDamageType );
	void		SetActivity ( Activity NewActivity );

	void NodeStart( int iszNextNode );
	void NodeReach( void );
	BOOL ShouldGoToNode( void );

	void SetYawSpeed( void );
	int Classify( void );
	void HandleAnimEvent( MonsterEvent_t *pEvent );
	void LayHeadcrab( void );

	int GetNodeSequence( void )
	{
		CBaseEntity *pTarget = m_hTargetEnt;
		if( pTarget )
		{
			return pTarget->pev->netname;	// netname holds node sequence
		}
		return 0;
	}

	int GetNodePresequence( void )
	{
		CInfoBM *pTarget = (CInfoBM *)(CBaseEntity *)m_hTargetEnt;
		if( pTarget )
		{
			return pTarget->m_preSequence;
		}
		return 0;
	}

	float GetNodeDelay( void )
	{
		CBaseEntity *pTarget = m_hTargetEnt;
		if( pTarget )
		{
			return pTarget->pev->speed;	// Speed holds node delay
		}
		return 0;
	}

	float GetNodeRange( void )
	{
		CBaseEntity *pTarget = m_hTargetEnt;
		if( pTarget )
		{
			return pTarget->pev->scale;	// Scale holds node delay
		}
		return 1e6;
	}

	float GetNodeYaw( void )
	{
		CBaseEntity *pTarget = m_hTargetEnt;
		if( pTarget )
		{
			if( pTarget->pev->angles.y != 0 )
				return pTarget->pev->angles.y;
		}
		return pev->angles.y;
	}

	// Restart the crab count on each new level
	void OverrideReset( void )
	{
		m_crabCount = 0;
	}

	void DeathNotice( entvars_t *pevChild );

	BOOL CanLayCrab( void ) 
	{ 
		if( m_crabTime < gpGlobals->time && m_crabCount < BIG_MAXCHILDREN )
		{
			// Don't spawn crabs inside each other
			Vector mins = pev->origin - Vector( 32.0f, 32.0f, 0.0f );
			Vector maxs = pev->origin + Vector( 32.0f, 32.0f, 0.0f );

			CBaseEntity *pList[2];
			int count = UTIL_EntitiesInBox( pList, 2, mins, maxs, FL_MONSTER );
			for( int i = 0; i < count; i++ )
			{
				if( pList[i] != this )	// Don't hurt yourself!
					return FALSE;
			}
			return TRUE;
		}

		return FALSE;
	}

	void LaunchMortar( void );

	void SetObjectCollisionBox( void )
	{
		pev->absmin = pev->origin + Vector( -95.0f, -95.0f, 0.0f );
		pev->absmax = pev->origin + Vector( 95.0f, 95.0f, 190.0f );
	}

	BOOL CheckMeleeAttack1( float flDot, float flDist );	// Slash
	BOOL CheckMeleeAttack2( float flDot, float flDist );	// Lay a crab
	BOOL CheckRangeAttack1( float flDot, float flDist );	// Mortar launch

	virtual int Save( CSave &save );
	virtual int Restore( CRestore &restore );
	static TYPEDESCRIPTION m_SaveData[];

	static const char *pChildDieSounds[];
	static const char *pSackSounds[];
	static const char *pDeathSounds[];
	static const char *pAttackSounds[];
	static const char *pAttackHitSounds[];
	static const char *pBirthSounds[];
	static const char *pAlertSounds[];
	static const char *pPainSounds[];
	static const char *pFootSounds[];

	CUSTOM_SCHEDULES

private:
	float m_nodeTime;
	float m_crabTime;
	float m_mortarTime;
	float m_painSoundTime;
	int m_crabCount;
};

LINK_ENTITY_TO_CLASS( monster_bigmomma, CBigMomma )

TYPEDESCRIPTION	CBigMomma::m_SaveData[] =
{
	DEFINE_FIELD( CBigMomma, m_nodeTime, FIELD_TIME ),
	DEFINE_FIELD( CBigMomma, m_crabTime, FIELD_TIME ),
	DEFINE_FIELD( CBigMomma, m_mortarTime, FIELD_TIME ),
	DEFINE_FIELD( CBigMomma, m_painSoundTime, FIELD_TIME ),
	DEFINE_FIELD( CBigMomma, m_crabCount, FIELD_INTEGER ),
};

IMPLEMENT_SAVERESTORE( CBigMomma, CBaseMonster )

const char *CBigMomma::pChildDieSounds[] =
{
	"gonarch/gon_childdie1.wav",
	"gonarch/gon_childdie2.wav",
	"gonarch/gon_childdie3.wav",
};

const char *CBigMomma::pSackSounds[] =
{
	"gonarch/gon_sack1.wav",
	"gonarch/gon_sack2.wav",
	"gonarch/gon_sack3.wav",
};

const char *CBigMomma::pDeathSounds[] =
{
	"gonarch/gon_die1.wav",
};

const char *CBigMomma::pAttackSounds[] =
{
	"gonarch/gon_attack1.wav",
	"gonarch/gon_attack2.wav",
	"gonarch/gon_attack3.wav",
};

const char *CBigMomma::pAttackHitSounds[] =
{
	"zombie/claw_strike1.wav",
	"zombie/claw_strike2.wav",
	"zombie/claw_strike3.wav",
};

const char *CBigMomma::pBirthSounds[] =
{
	"gonarch/gon_birth1.wav",
	"gonarch/gon_birth2.wav",
	"gonarch/gon_birth3.wav",
};

const char *CBigMomma::pAlertSounds[] =
{
	"gonarch/gon_alert1.wav",
	"gonarch/gon_alert2.wav",
	"gonarch/gon_alert3.wav",
};

const char *CBigMomma::pPainSounds[] =
{
	"gonarch/gon_pain2.wav",
	"gonarch/gon_pain4.wav",
	"gonarch/gon_pain5.wav",
};

const char *CBigMomma::pFootSounds[] =
{
	"gonarch/gon_step1.wav",
	"gonarch/gon_step2.wav",
	"gonarch/gon_step3.wav",
};

void CBigMomma::KeyValue( KeyValueData *pkvd )
{
#if 0
	if( FStrEq( pkvd->szKeyName, "volume" ) )
	{
		m_volume = atof( pkvd->szValue );
		pkvd->fHandled = TRUE;
	}
	else
#endif
		CBaseMonster::KeyValue( pkvd );
}

//=========================================================
// Classify - indicates this monster's place in the 
// relationship table.
//=========================================================
int CBigMomma::Classify( void )
{
	return m_iClass?m_iClass:CLASS_ALIEN_MONSTER;
}

//=========================================================
// SetYawSpeed - allows each sequence to have a different
// turn rate associated with it.
//=========================================================
void CBigMomma::SetYawSpeed( void )
{
	int ys;

	switch( m_Activity )
	{
	case ACT_IDLE:
		ys = 100;
		break;
	default:
		ys = 90;
		break;
	}
	pev->yaw_speed = ys;
}

//=========================================================
// HandleAnimEvent - catches the monster-specific messages
// that occur when tagged animation frames are played.
//
// Returns number of events handled, 0 if none.
//=========================================================
void CBigMomma::HandleAnimEvent( MonsterEvent_t *pEvent )
{
	switch( pEvent->event )
	{
		case BIG_AE_MELEE_ATTACKBR:
		case BIG_AE_MELEE_ATTACKBL:
		case BIG_AE_MELEE_ATTACK1:
		{
			Vector forward, right;

			UTIL_MakeVectorsPrivate( pev->angles, forward, right, NULL );

			Vector center = pev->origin + forward * 128.0f;
			Vector mins = center - Vector( 64.0f, 64.0f, 0.0f );
			Vector maxs = center + Vector( 64.0f, 64.0f, 64.0f );

			CBaseEntity *pList[8];
			int count = UTIL_EntitiesInBox( pList, 8, mins, maxs, FL_MONSTER | FL_CLIENT );
			CBaseEntity *pHurt = NULL;

			for( int i = 0; i < count && !pHurt; i++ )
			{
				if( pList[i] != this )
				{
					if( pList[i]->pev->owner != edict() )
						pHurt = pList[i];
				}
			}

			if( pHurt )
			{
				pHurt->TakeDamage( pev, pev, gSkillData.bigmommaDmgSlash, DMG_CRUSH | DMG_SLASH );
				pHurt->pev->punchangle.x = 15.0f;
				switch( pEvent->event )
				{
					case BIG_AE_MELEE_ATTACKBR:
						pHurt->pev->velocity = pHurt->pev->velocity + ( forward * 150.0f ) + Vector( 0.0f, 0.0f, 250.0f ) - ( right * 200.0f );
						break;
					case BIG_AE_MELEE_ATTACKBL:
						pHurt->pev->velocity = pHurt->pev->velocity + ( forward * 150.0f ) + Vector( 0.0f, 0.0f, 250.0f ) + ( right * 200.0f );
						break;
					case BIG_AE_MELEE_ATTACK1:
						pHurt->pev->velocity = pHurt->pev->velocity + ( forward * 220.0f ) + Vector( 0.0f, 0.0f, 200.0f );
						break;
				}

				pHurt->pev->flags &= ~FL_ONGROUND;
				EMIT_SOUND_DYN( edict(), CHAN_WEAPON, RANDOM_SOUND_ARRAY( pAttackHitSounds ), 1.0f, ATTN_NORM, 0, 100 + RANDOM_LONG( -5, 5 ) );
			}
		}
		break;
		case BIG_AE_SCREAM:
			EMIT_SOUND_ARRAY_DYN( CHAN_VOICE, pAlertSounds );
			break;
		case BIG_AE_PAIN_SOUND:
			EMIT_SOUND_ARRAY_DYN( CHAN_VOICE, pPainSounds );
			break;
		case BIG_AE_ATTACK_SOUND:
			EMIT_SOUND_ARRAY_DYN( CHAN_WEAPON, pAttackSounds );
			break;
		case BIG_AE_BIRTH_SOUND:
			EMIT_SOUND_ARRAY_DYN( CHAN_BODY, pBirthSounds );
			break;
		case BIG_AE_SACK:
			if( RANDOM_LONG( 0, 100 ) < 30 )
				EMIT_SOUND_ARRAY_DYN( CHAN_BODY, pSackSounds );
			break;
		case BIG_AE_DEATHSOUND:
			EMIT_SOUND_ARRAY_DYN( CHAN_VOICE, pDeathSounds );
			break;
		case BIG_AE_STEP1:		// Footstep left
		case BIG_AE_STEP3:		// Footstep back left
			EMIT_SOUND_ARRAY_DYN( CHAN_ITEM, pFootSounds );
			break;
		case BIG_AE_STEP4:		// Footstep back right
		case BIG_AE_STEP2:		// Footstep right
			EMIT_SOUND_ARRAY_DYN( CHAN_BODY, pFootSounds );
			break;
		case BIG_AE_MORTAR_ATTACK1:
			LaunchMortar();
			break;
		case BIG_AE_LAY_CRAB:
			LayHeadcrab();
			break;
		case BIG_AE_JUMP_FORWARD:
			ClearBits( pev->flags, FL_ONGROUND );

			UTIL_SetOrigin( this, pev->origin + Vector( 0.0f, 0.0f, 1.0f ) );// take her off ground so engine doesn't instantly reset onground 
			UTIL_MakeVectors( pev->angles );

			pev->velocity = (gpGlobals->v_forward * 200.0f) + gpGlobals->v_up * 500.0f;
			break;
		case BIG_AE_EARLY_TARGET:
			{
				CBaseEntity *pTarget = m_hTargetEnt;
				if( pTarget && pTarget->pev->message )
					FireTargets( STRING( pTarget->pev->message ), this, this, USE_TOGGLE, 0 );
				Remember( bits_MEMORY_FIRED_NODE );
			}
			break;
		default:
			CBaseMonster::HandleAnimEvent( pEvent );
			break;
	}
}

void CBigMomma::TraceAttack( entvars_t *pevAttacker, float flDamage, Vector vecDir, TraceResult *ptr, int bitsDamageType )
{
	// Bigmomma does not wear armor.
	if( gpGlobals->time > m_painSoundTime )
	{
		m_painSoundTime = gpGlobals->time + RANDOM_LONG( 1, 3 );
		EMIT_SOUND_ARRAY_DYN( CHAN_VOICE, pPainSounds );
	}

	CBaseMonster::TraceAttack( pevAttacker, flDamage, vecDir, ptr, bitsDamageType );
}

int CBigMomma::TakeDamage( entvars_t *pevInflictor, entvars_t *pevAttacker, float flDamage, int bitsDamageType )
{
	// Don't take any acid damage -- BigMomma's mortar is acid
	if( bitsDamageType & DMG_ACID )
		flDamage = 0.0f;

	if( !HasMemory( bits_MEMORY_PATH_FINISHED ) )
	{
		if( pev->health <= flDamage )
		{
			pev->health = flDamage + 1;
			Remember( bits_MEMORY_ADVANCE_NODE | bits_MEMORY_COMPLETED_NODE );
			ALERT( at_aiconsole, "BM: Finished node health!!!\n" );
		}
	}

	return CBaseMonster::TakeDamage( pevInflictor, pevAttacker, flDamage, bitsDamageType );
}

void CBigMomma::LayHeadcrab( void )
{
	CBaseEntity *pChild = CBaseEntity::Create( BIG_CHILDCLASS, pev->origin, pev->angles, edict() );

	pChild->pev->spawnflags |= SF_MONSTER_FALL_TO_GROUND;

	// Is this the second crab in a pair?
	if( HasMemory( bits_MEMORY_CHILDPAIR ) )
	{
		m_crabTime = gpGlobals->time + RANDOM_FLOAT( 5.0f, 10.0f );
		Forget( bits_MEMORY_CHILDPAIR );
	}
	else
	{
		m_crabTime = gpGlobals->time + RANDOM_FLOAT( 0.5f, 2.5f );
		Remember( bits_MEMORY_CHILDPAIR );
	}

	TraceResult tr;
	UTIL_TraceLine( pev->origin, pev->origin - Vector( 0.0f, 0.0f, 100.0f ), ignore_monsters, edict(), &tr );
	UTIL_DecalTrace( &tr, DECAL_MOMMABIRTH );

	EMIT_SOUND_DYN( edict(), CHAN_WEAPON, RANDOM_SOUND_ARRAY( pBirthSounds ), 1.0f, ATTN_NORM, 0, 100 + RANDOM_LONG( -5, 5 ) );
	m_crabCount++;
}

void CBigMomma::DeathNotice( entvars_t *pevChild )
{
	if( m_crabCount > 0 )		// Some babies may cross a transition, but we reset the count then
		m_crabCount--;
	if( IsAlive() )
	{
		// Make the "my baby's dead" noise!
		EMIT_SOUND_ARRAY_DYN( CHAN_WEAPON, pChildDieSounds );
	}
}

void CBigMomma::LaunchMortar( void )
{
	m_mortarTime = gpGlobals->time + RANDOM_FLOAT( 2.0f, 15.0f );

	Vector startPos = pev->origin;
	startPos.z += 180;
	Vector vecLaunch = g_vecZero;

	if (m_pCine) // is a scripted_action making me shoot?
	{
		if (m_hTargetEnt != 0) // don't check m_fTurnType- bigmomma can fire in any direction.
		{
			vecLaunch = VecCheckSplatToss( pev, startPos, m_hTargetEnt->pev->origin, RANDOM_FLOAT( 150, 500 ) );
		}
		if (vecLaunch == g_vecZero)
		{
			vecLaunch = pev->movedir;
		}
	}
	else
	{
		vecLaunch = pev->movedir;
	}

	EMIT_SOUND_DYN( edict(), CHAN_WEAPON, RANDOM_SOUND_ARRAY( pSackSounds ), 1.0, ATTN_NORM, 0, 100 + RANDOM_LONG( -5, 5 ) );
	CBMortar *pBomb = CBMortar::Shoot( edict(), startPos, vecLaunch );
	pBomb->pev->gravity = 1.0f;
	MortarSpray( startPos, Vector( 0.0f, 0.0f, 1.0f ), gSpitSprite, 24 );
}

//=========================================================
// Spawn
//=========================================================
void CBigMomma::Spawn()
{
	Precache();

	if( pev->model )
		SET_MODEL( ENT( pev ), STRING( pev->model ) ); //LRC
	else
		SET_MODEL( ENT( pev ), "models/big_mom.mdl" );
	UTIL_SetSize( pev, Vector( -32.0f, -32.0f, 0.0f ), Vector( 32.0f, 32.0f, 64.0f ) );

	pev->solid = SOLID_SLIDEBOX;
	pev->movetype = MOVETYPE_STEP;

	// Bigmomma's blood color should be red.
	m_bloodColor = BLOOD_COLOR_RED;
	if (pev->health == 0)
		pev->health = 150.0f * gSkillData.bigmommaHealthFactor;
	pev->view_ofs = Vector( 0.0f, 0.0f, 128.0f );// position of the eyes relative to monster's origin.
	m_flFieldOfView = 0.3f;// indicates the width of this monster's forward view cone ( as a dotproduct result )
	m_MonsterState = MONSTERSTATE_NONE;

	MonsterInit();
}

//=========================================================
// Precache - precaches all resources this monster needs
//=========================================================
void CBigMomma::Precache()
{
	if (pev->model)
		PRECACHE_MODEL(STRING(pev->model)); //LRC
	else
		PRECACHE_MODEL( "models/big_mom.mdl" );

	PRECACHE_SOUND_ARRAY( pChildDieSounds );
	PRECACHE_SOUND_ARRAY( pSackSounds );
	PRECACHE_SOUND_ARRAY( pDeathSounds );
	PRECACHE_SOUND_ARRAY( pAttackSounds );
	PRECACHE_SOUND_ARRAY( pAttackHitSounds );
	PRECACHE_SOUND_ARRAY( pBirthSounds );
	PRECACHE_SOUND_ARRAY( pAlertSounds );
	PRECACHE_SOUND_ARRAY( pPainSounds );
	PRECACHE_SOUND_ARRAY( pFootSounds );

	UTIL_PrecacheOther( BIG_CHILDCLASS );

	// TEMP: Squid
	PRECACHE_MODEL( "sprites/mommaspit.spr" );// spit projectile.
	gSpitSprite = PRECACHE_MODEL( "sprites/mommaspout.spr" );// client side spittle.
	gSpitDebrisSprite = PRECACHE_MODEL( "sprites/mommablob.spr" );

	PRECACHE_SOUND( "bullchicken/bc_acid1.wav" );
	PRECACHE_SOUND( "bullchicken/bc_spithit1.wav" );
	PRECACHE_SOUND( "bullchicken/bc_spithit2.wav" );
}	

void CBigMomma::Activate( void )
{
	if( m_hTargetEnt == 0 )
		Remember( bits_MEMORY_ADVANCE_NODE );	// Start 'er up

	CBaseMonster::Activate();
}

void CBigMomma::NodeStart( int iszNextNode )
{
	pev->netname = iszNextNode;

	CBaseEntity *pTarget = NULL;

	if( pev->netname )
	{
		edict_t *pentTarget = FIND_ENTITY_BY_TARGETNAME( NULL, STRING( pev->netname ) );

		if( !FNullEnt( pentTarget ) )
			pTarget = Instance( pentTarget );
	}

	if( !pTarget )
	{
		ALERT( at_aiconsole, "BM: Finished the path!!\n" );
		Remember( bits_MEMORY_PATH_FINISHED );
		return;
	}
	Remember( bits_MEMORY_ON_PATH );
	m_hTargetEnt = pTarget;
}

void CBigMomma::NodeReach( void )
{
	CBaseEntity *pTarget = m_hTargetEnt;

	Forget( bits_MEMORY_ADVANCE_NODE );

	if( !pTarget )
		return;

	if( pTarget->pev->health )
		pev->max_health = pev->health = pTarget->pev->health * gSkillData.bigmommaHealthFactor;

	if( !HasMemory( bits_MEMORY_FIRED_NODE ) )
	{
		if( pTarget->pev->message )
			FireTargets( STRING( pTarget->pev->message ), this, this, USE_TOGGLE, 0 );
	}
	Forget( bits_MEMORY_FIRED_NODE );

	pev->netname = pTarget->pev->target;
	if( pTarget->pev->health == 0 )
		Remember( bits_MEMORY_ADVANCE_NODE );	// Move on if no health at this node
}

// Slash
BOOL CBigMomma::CheckMeleeAttack1( float flDot, float flDist )
{
	if( flDot >= 0.7f )
	{
		if( flDist <= BIG_ATTACKDIST )
			return TRUE;
	}
	return FALSE;
}

// Lay a crab
BOOL CBigMomma::CheckMeleeAttack2( float flDot, float flDist )
{
	return CanLayCrab();
}

// Mortar launch
BOOL CBigMomma::CheckRangeAttack1( float flDot, float flDist )
{
	if( flDist <= BIG_MORTARDIST && m_mortarTime < gpGlobals->time )
	{
		CBaseEntity *pEnemy = m_hEnemy;

		if( pEnemy )
		{
			Vector startPos = pev->origin;
			startPos.z += 180.0f;
			pev->movedir = VecCheckSplatToss( pev, startPos, pEnemy->BodyTarget( pev->origin ), RANDOM_FLOAT( 150.0f, 500.0f ) );
			if( pev->movedir != g_vecZero )
				return TRUE;
		}
	}
	return FALSE;
}

//=========================================================
// AI Schedules Specific to this monster
//=========================================================
enum
{
	SCHED_BIG_NODE = LAST_COMMON_SCHEDULE + 1,
	SCHED_NODE_FAIL
};

enum
{
	TASK_MOVE_TO_NODE_RANGE = LAST_COMMON_TASK + 1,	// Move within node range
	TASK_FIND_NODE,									// Find my next node
	TASK_PLAY_NODE_PRESEQUENCE,						// Play node pre-script
	TASK_PLAY_NODE_SEQUENCE,						// Play node script
	TASK_PROCESS_NODE,								// Fire targets, etc.
	TASK_WAIT_NODE,									// Wait at the node
	TASK_NODE_DELAY,								// Delay walking toward node for a bit. You've failed to get there
	TASK_NODE_YAW									// Get the best facing direction for this node
};

Task_t tlBigNode[] =
{
	{ TASK_SET_FAIL_SCHEDULE, (float)SCHED_NODE_FAIL },
	{ TASK_STOP_MOVING, (float)0 },
	{ TASK_FIND_NODE, (float)0 },	// Find my next node
	{ TASK_PLAY_NODE_PRESEQUENCE, (float)0 },	// Play the pre-approach sequence if any
	{ TASK_MOVE_TO_NODE_RANGE, (float)0 },	// Move within node range
	{ TASK_STOP_MOVING, (float)0 },
	{ TASK_NODE_YAW, (float)0 },
	{ TASK_FACE_IDEAL, (float)0 },
	{ TASK_WAIT_NODE, (float)0 },	// Wait for node delay
	{ TASK_PLAY_NODE_SEQUENCE, (float)0 },	// Play the sequence if one exists
	{ TASK_PROCESS_NODE, (float)0 },	// Fire targets, etc.
	{ TASK_SET_ACTIVITY, (float)ACT_IDLE },
};

Schedule_t slBigNode[] =
{
	{
		tlBigNode,
		ARRAYSIZE( tlBigNode ),
		0,
		0,
		"Big Node"
	},
};

Task_t tlNodeFail[] =
{
	{ TASK_NODE_DELAY, (float)10 },	// Try to do something else for 10 seconds
	{ TASK_SET_ACTIVITY, (float)ACT_IDLE },
};

Schedule_t slNodeFail[] =
{
	{
		tlNodeFail,
		ARRAYSIZE( tlNodeFail ),
		0,
		0,
		"NodeFail"
	},
};

DEFINE_CUSTOM_SCHEDULES( CBigMomma )
{
	slBigNode,
	slNodeFail,
};

IMPLEMENT_CUSTOM_SCHEDULES( CBigMomma, CBaseMonster )

Schedule_t *CBigMomma::GetScheduleOfType( int Type )
{
	switch( Type )
	{
		case SCHED_BIG_NODE:
			return slBigNode;
			break;
		case SCHED_NODE_FAIL:
			return slNodeFail;
			break;
	}

	return CBaseMonster::GetScheduleOfType( Type );
}

BOOL CBigMomma::ShouldGoToNode( void )
{
	if( HasMemory( bits_MEMORY_ADVANCE_NODE ) )
	{
		if( m_nodeTime < gpGlobals->time )
			return TRUE;
	}
	return FALSE;
}

// Overridden to make BigMomma jump on command; the model doesn't support it otherwise.
void CBigMomma :: SetActivity ( Activity NewActivity )
{
	int	iSequence;

	if (NewActivity == ACT_HOP)
	{
		iSequence = LookupSequence( "jump" );
	}
	else
	{
		iSequence = LookupActivity ( NewActivity );
	}

	// Set to the desired anim, or default anim if the desired is not present
	if ( iSequence > ACTIVITY_NOT_AVAILABLE )
	{
		if ( pev->sequence != iSequence || !m_fSequenceLoops )
		{
			// don't reset frame between walk and run
			if ( !(m_Activity == ACT_WALK || m_Activity == ACT_RUN) || !(NewActivity == ACT_WALK || NewActivity == ACT_RUN))
				pev->frame = 0;
		}

		pev->sequence		= iSequence;	// Set to the reset anim (if it's there)
		ResetSequenceInfo( );
		SetYawSpeed();
	}
	else
	{
		// Not available try to get default anim
		ALERT ( at_aiconsole, "%s has no sequence for act:%d\n", STRING(pev->classname), NewActivity );
		pev->sequence		= 0;	// Set to the reset anim (if it's there)
	}

	m_Activity = NewActivity; // Go ahead and set this so it doesn't keep trying when the anim is not present
	
	// In case someone calls this with something other than the ideal activity
	m_IdealActivity = m_Activity;
}

Schedule_t *CBigMomma::GetSchedule( void )
{
	if( ShouldGoToNode() )
	{
		return GetScheduleOfType( SCHED_BIG_NODE );
	}

	return CBaseMonster::GetSchedule();
}

void CBigMomma::StartTask( Task_t *pTask )
{
	switch( pTask->iTask )
	{
	case TASK_FIND_NODE:
		{
			CBaseEntity *pTarget = m_hTargetEnt;
			if( !HasMemory( bits_MEMORY_ADVANCE_NODE ) )
			{
				if( pTarget )
					pev->netname = m_hTargetEnt->pev->target;
			}
			NodeStart( pev->netname );
			TaskComplete();
			ALERT( at_aiconsole, "BM: Found node %s\n", STRING( pev->netname ) );
		}
		break;
	case TASK_NODE_DELAY:
		m_nodeTime = gpGlobals->time + pTask->flData;
		TaskComplete();
		ALERT( at_aiconsole, "BM: FAIL! Delay %.2f\n", (double)pTask->flData );
		break;
	case TASK_PROCESS_NODE:
		ALERT( at_aiconsole, "BM: Reached node %s\n", STRING( pev->netname ) );
		NodeReach();
		TaskComplete();
		break;
	case TASK_PLAY_NODE_PRESEQUENCE:
	case TASK_PLAY_NODE_SEQUENCE:
		{
			int sequence;
			if( pTask->iTask == TASK_PLAY_NODE_SEQUENCE )
				sequence = GetNodeSequence();
			else
				sequence = GetNodePresequence();

			ALERT( at_aiconsole, "BM: Playing node sequence %s\n", STRING( sequence ) );
			if( sequence )
			{
				sequence = LookupSequence( STRING( sequence ) );
				if( sequence != -1 )
				{
					pev->sequence = sequence;
					pev->frame = 0;
					ResetSequenceInfo();
					ALERT( at_aiconsole, "BM: Sequence %s\n", STRING( GetNodeSequence() ) );
					return;
				}
			}
			TaskComplete();
		}
		break;
	case TASK_NODE_YAW:
		pev->ideal_yaw = GetNodeYaw();
		TaskComplete();
		break;
	case TASK_WAIT_NODE:
		m_flWaitFinished = gpGlobals->time + GetNodeDelay();
		if( m_hTargetEnt->pev->spawnflags & SF_INFOBM_WAIT )
			ALERT( at_aiconsole, "BM: Wait at node %s forever\n", STRING( pev->netname ) );
		else
			ALERT( at_aiconsole, "BM: Wait at node %s for %.2f\n", STRING( pev->netname ), (double)GetNodeDelay() );
		break;


	case TASK_MOVE_TO_NODE_RANGE:
		{
			CBaseEntity *pTarget = m_hTargetEnt;
			if( !pTarget )
				TaskFail();
			else
			{
				if( ( pTarget->pev->origin - pev->origin ).Length() < GetNodeRange() )
					TaskComplete();
				else
				{
					Activity act = ACT_WALK;
					if( pTarget->pev->spawnflags & SF_INFOBM_RUN )
						act = ACT_RUN;

					m_vecMoveGoal = pTarget->pev->origin;
					if( !MoveToTarget( act, 2 ) )
					{
						TaskFail();
					}
				}
			}
		}
		ALERT( at_aiconsole, "BM: Moving to node %s\n", STRING( pev->netname ) );
		break;
	case TASK_MELEE_ATTACK1:
		// Play an attack sound here
		EMIT_SOUND_DYN( ENT( pev ), CHAN_VOICE, RANDOM_SOUND_ARRAY( pAttackSounds ), 1.0, ATTN_NORM, 0, PITCH_NORM );
		CBaseMonster::StartTask( pTask );
		break;
	default: 
		CBaseMonster::StartTask( pTask );
		break;
	}
}

//=========================================================
// RunTask
//=========================================================
void CBigMomma::RunTask( Task_t *pTask )
{
	switch( pTask->iTask )
	{
	case TASK_MOVE_TO_NODE_RANGE:
		{
			float distance;

			if( m_hTargetEnt == 0 )
				TaskFail();
			else
			{
				distance = ( m_vecMoveGoal - pev->origin ).Length2D();
				// Set the appropriate activity based on an overlapping range
				// overlap the range to prevent oscillation
				if( (distance < GetNodeRange() ) || MovementIsComplete() )
				{
					ALERT( at_aiconsole, "BM: Reached node!\n" );
					TaskComplete();
					RouteClear();		// Stop moving
				}
			}
		}
		break;
	case TASK_WAIT_NODE:
		if( m_hTargetEnt != 0 && ( m_hTargetEnt->pev->spawnflags & SF_INFOBM_WAIT ) )
			return;

		if( gpGlobals->time > m_flWaitFinished )
		{
			TaskComplete();
			ALERT( at_aiconsole, "BM: The WAIT is over!\n" );
		}
		break;
	case TASK_PLAY_NODE_PRESEQUENCE:
	case TASK_PLAY_NODE_SEQUENCE:
		if( m_fSequenceFinished )
		{
			m_Activity = ACT_RESET;
			TaskComplete();
		}
		break;
	default:
		CBaseMonster::RunTask( pTask );
		break;
	}
}

Vector VecCheckSplatToss( entvars_t *pev, const Vector &vecSpot1, Vector vecSpot2, float maxHeight )
{
	TraceResult tr;
	Vector vecMidPoint;// halfway point between Spot1 and Spot2
	Vector vecApex;// highest point 
	Vector vecScale;
	Vector vecGrenadeVel;
	Vector vecTemp;
	float flGravity = Q_max( g_psv_gravity->value, 0.1f );

	// calculate the midpoint and apex of the 'triangle'
	vecMidPoint = vecSpot1 + ( vecSpot2 - vecSpot1 ) * 0.5f;
	UTIL_TraceLine( vecMidPoint, vecMidPoint + Vector( 0.0f, 0.0f, maxHeight ), ignore_monsters, ENT( pev ), &tr );
	vecApex = tr.vecEndPos;

	UTIL_TraceLine( vecSpot1, vecApex, dont_ignore_monsters, ENT( pev ), &tr );
	if( tr.flFraction != 1.0f )
	{
		// fail!
		return g_vecZero;
	}

	// Don't worry about actually hitting the target, this won't hurt us!

	// TODO: Need another way to calculate height because current calculation is completely wrong
	// and there posible crash.

	// How high should the grenade travel (subtract 15 so the grenade doesn't hit the ceiling)?
	float height = vecApex.z - vecSpot1.z - 15.0f;
	// How fast does the grenade need to travel to reach that height given gravity?
	float speed = sqrt( 2.0f * flGravity * height );
	
	// How much time does it take to get there?
	float time = speed / flGravity;
	vecGrenadeVel = vecSpot2 - vecSpot1;
	vecGrenadeVel.z = 0.0f;
	
	// Travel half the distance to the target in that time (apex is at the midpoint)
	vecGrenadeVel = vecGrenadeVel * ( 0.5f / time );
	// Speed to offset gravity at the desired height
	vecGrenadeVel.z = speed;

	return vecGrenadeVel;
}

// ---------------------------------
//
// Mortar
//
// ---------------------------------
void MortarSpray( const Vector &position, const Vector &direction, int spriteModel, int count )
{
	MESSAGE_BEGIN( MSG_PVS, SVC_TEMPENTITY, position );
		WRITE_BYTE( TE_SPRITE_SPRAY );
		WRITE_COORD( position.x );	// pos
		WRITE_COORD( position.y );	
		WRITE_COORD( position.z );	
		WRITE_COORD( direction.x );	// dir
		WRITE_COORD( direction.y );	
		WRITE_COORD( direction.z );	
		WRITE_SHORT( spriteModel );	// model
		WRITE_BYTE ( count );			// count
		WRITE_BYTE ( 130 );			// speed
		WRITE_BYTE ( 80 );			// noise ( client will divide by 100 )
	MESSAGE_END();
}

// UNDONE: right now this is pretty much a copy of the squid spit with minor changes to the way it does damage
void CBMortar::Spawn( void )
{
	pev->movetype = MOVETYPE_TOSS;
	pev->classname = MAKE_STRING( "bmortar" );
	
	pev->solid = SOLID_BBOX;
	pev->rendermode = kRenderTransAlpha;
	pev->renderamt = 255;

	SET_MODEL( ENT( pev ), "sprites/mommaspit.spr" );
	pev->frame = 0;
	pev->scale = 0.5f;

	UTIL_SetSize( pev, Vector( 0, 0, 0 ), Vector( 0, 0, 0 ) );

	m_maxFrame = MODEL_FRAMES( pev->modelindex ) - 1;
	pev->dmgtime = gpGlobals->time + 0.4f;
}

void CBMortar::Animate( void )
{
	SetNextThink( 0.1f );

	if( gpGlobals->time > pev->dmgtime )
	{
		pev->dmgtime = gpGlobals->time + 0.2f;
		MortarSpray( pev->origin, -pev->velocity.Normalize(), gSpitSprite, 3 );
	}
	if( pev->frame++ )
	{
		if( pev->frame > m_maxFrame )
		{
			pev->frame = 0;
		}
	}
}

CBMortar *CBMortar::Shoot( edict_t *pOwner, Vector vecStart, Vector vecVelocity )
{
	CBMortar *pSpit = GetClassPtr( (CBMortar *)NULL );
	pSpit->Spawn();
	
	UTIL_SetOrigin( pSpit, vecStart );
	pSpit->pev->velocity = vecVelocity;
	pSpit->pev->owner = pOwner;
	pSpit->pev->scale = 2.5f;
	pSpit->SetThink( &CBMortar::Animate );
	pSpit->SetNextThink( 0.1f );

	return pSpit;
}

void CBMortar::Touch( CBaseEntity *pOther )
{
	TraceResult tr;
	int iPitch;

	// splat sound
	iPitch = RANDOM_FLOAT( 90, 110 );

	EMIT_SOUND_DYN( ENT( pev ), CHAN_VOICE, "bullchicken/bc_acid1.wav", 1, ATTN_NORM, 0, iPitch );

	switch( RANDOM_LONG( 0, 1 ) )
	{
	case 0:
		EMIT_SOUND_DYN( ENT( pev ), CHAN_WEAPON, "bullchicken/bc_spithit1.wav", 1, ATTN_NORM, 0, iPitch );
		break;
	case 1:
		EMIT_SOUND_DYN( ENT( pev ), CHAN_WEAPON, "bullchicken/bc_spithit2.wav", 1, ATTN_NORM, 0, iPitch );
		break;
	}

	if( pOther->IsBSPModel() )
	{

		// make a splat on the wall
		UTIL_TraceLine( pev->origin, pev->origin + pev->velocity * 10.0f, dont_ignore_monsters, ENT( pev ), &tr );
		UTIL_DecalTrace( &tr, DECAL_MOMMASPLAT );
	}
	else
	{
		tr.vecEndPos = pev->origin;
		tr.vecPlaneNormal = -1.0f * pev->velocity.Normalize();
	}

	// make some flecks
	MortarSpray( tr.vecEndPos, tr.vecPlaneNormal, gSpitSprite, 24 );

	entvars_t *pevOwner = NULL;
	if( pev->owner )
		pevOwner = VARS(pev->owner);

	RadiusDamage( pev->origin, pev, pevOwner, gSkillData.bigmommaDmgBlast, gSkillData.bigmommaRadiusBlast, CLASS_NONE, DMG_ACID );
	UTIL_Remove( this );
}
#endif