1 files changed, 400 insertions, 0 deletions
diff --git a/game/server/hl1/hl1_npc_hornet.cpp b/game/server/hl1/hl1_npc_hornet.cpp
new file mode 100644
index 0000000..d2b09ee
--- /dev/null
+++ b/game/server/hl1/hl1_npc_hornet.cpp
@@ -0,0 +1,400 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include	"cbase.h"
+#include	"ai_default.h"
+#include	"ai_task.h"
+#include	"ai_schedule.h"
+#include	"ai_node.h"
+#include	"ai_hull.h"
+#include	"ai_hint.h"
+#include	"ai_memory.h"
+#include	"ai_route.h"
+#include	"ai_motor.h"
+#include	"ai_senses.h"
+#include	"soundent.h"
+#include	"game.h"
+#include	"npcevent.h"
+#include	"entitylist.h"
+#include	"activitylist.h"
+#include	"animation.h"
+#include	"basecombatweapon.h"
+#include	"IEffects.h"
+#include	"vstdlib/random.h"
+#include	"engine/IEngineSound.h"
+#include	"ammodef.h"
+#include    "te.h"
+#include    "hl1_npc_hornet.h"
+
+int iHornetTrail;
+int iHornetPuff;
+
+LINK_ENTITY_TO_CLASS( hornet, CNPC_Hornet );
+
+extern ConVar sk_npc_dmg_hornet;
+extern ConVar sk_plr_dmg_hornet;
+
+BEGIN_DATADESC( CNPC_Hornet )
+	DEFINE_FIELD( m_flStopAttack, FIELD_TIME ),
+	DEFINE_FIELD( m_iHornetType, FIELD_INTEGER ),
+	DEFINE_FIELD( m_flFlySpeed, FIELD_FLOAT ),
+	DEFINE_FIELD( m_flDamage, FIELD_INTEGER ),
+	DEFINE_FIELD( m_vecEnemyLKP, FIELD_POSITION_VECTOR ),
+
+
+	DEFINE_ENTITYFUNC( DieTouch ),
+	DEFINE_THINKFUNC( StartDart ),
+	DEFINE_THINKFUNC( StartTrack ),
+	DEFINE_ENTITYFUNC( DartTouch ),
+	DEFINE_ENTITYFUNC( TrackTouch ),
+	DEFINE_THINKFUNC( TrackTarget ),
+END_DATADESC()
+
+//=========================================================
+//=========================================================
+void CNPC_Hornet::Spawn( void )
+{
+	Precache();
+
+	SetMoveType( MOVETYPE_FLY );
+	SetSolid( SOLID_BBOX );
+	m_takedamage	= DAMAGE_YES;
+	AddFlag( FL_NPC );
+	m_iHealth		= 1;// weak!
+	m_bloodColor	= DONT_BLEED;
+	
+	if ( g_pGameRules->IsMultiplayer() )
+	{
+		// hornets don't live as long in multiplayer
+		m_flStopAttack = gpGlobals->curtime + 3.5;
+	}
+	else
+	{
+		m_flStopAttack	= gpGlobals->curtime + 5.0;
+	}
+
+	m_flFieldOfView = 0.9; // +- 25 degrees
+
+	if ( random->RandomInt ( 1, 5 ) <= 2 )
+	{
+		m_iHornetType = HORNET_TYPE_RED;
+		m_flFlySpeed = HORNET_RED_SPEED;
+	}
+	else
+	{
+		m_iHornetType = HORNET_TYPE_ORANGE;
+		m_flFlySpeed = HORNET_ORANGE_SPEED;
+	}
+
+	SetModel( "models/hornet.mdl" );
+	UTIL_SetSize( this, Vector( -4, -4, -4 ), Vector( 4, 4, 4 ) );
+
+	SetTouch( &CNPC_Hornet::DieTouch );
+	SetThink( &CNPC_Hornet::StartTrack );
+
+	if ( GetOwnerEntity() && (GetOwnerEntity()->GetFlags() & FL_CLIENT) )
+	{
+		m_flDamage = sk_plr_dmg_hornet.GetFloat();
+	}
+	else
+	{
+		// no real owner, or owner isn't a client. 
+		m_flDamage = sk_npc_dmg_hornet.GetFloat();
+	}
+	
+	SetNextThink( gpGlobals->curtime + 0.1f );
+	ResetSequenceInfo();
+
+	m_vecEnemyLKP = vec3_origin;
+}
+
+
+void CNPC_Hornet::Precache()
+{
+	PrecacheModel("models/hornet.mdl");
+
+	iHornetPuff = PrecacheModel( "sprites/muz1.vmt" );
+	iHornetTrail = PrecacheModel("sprites/laserbeam.vmt");
+
+	PrecacheScriptSound( "Hornet.Die" );
+	PrecacheScriptSound( "Hornet.Buzz" );
+}	
+
+//=========================================================
+// hornets will never get mad at each other, no matter who the owner is.
+//=========================================================
+Disposition_t CNPC_Hornet::IRelationType( CBaseEntity *pTarget )
+{
+	if ( pTarget->GetModelIndex() == GetModelIndex() )
+	{
+		return D_NU;
+	}
+
+	return BaseClass::IRelationType( pTarget );
+}
+
+//=========================================================
+// ID's Hornet as their owner
+//=========================================================
+Class_T CNPC_Hornet::Classify ( void )
+{
+	if ( GetOwnerEntity() && (GetOwnerEntity()->GetFlags() & FL_CLIENT) )
+	{
+		return CLASS_PLAYER_BIOWEAPON;
+	}
+
+	return	CLASS_ALIEN_BIOWEAPON;
+}
+
+//=========================================================
+// StartDart - starts a hornet out just flying straight.
+//=========================================================
+void CNPC_Hornet::StartDart ( void )
+{
+	IgniteTrail();
+
+	SetTouch( &CNPC_Hornet::DartTouch );
+
+	SetThink( &CBaseEntity::SUB_Remove );
+	SetNextThink( gpGlobals->curtime + 4 );
+}
+
+
+void CNPC_Hornet::DieTouch ( CBaseEntity *pOther )
+{
+	if ( !pOther || !pOther->IsSolid() || pOther->IsSolidFlagSet(FSOLID_VOLUME_CONTENTS) )
+	{
+		return;
+	}
+
+	CPASAttenuationFilter filter( this );
+	EmitSound( filter, entindex(), "Hornet.Die" );
+			
+	CTakeDamageInfo info( this, GetOwnerEntity(), m_flDamage, DMG_BULLET );
+	CalculateBulletDamageForce( &info, GetAmmoDef()->Index("Hornet"), GetAbsVelocity(), GetAbsOrigin() );
+	pOther->TakeDamage( info );
+
+	m_takedamage	= DAMAGE_NO;
+
+	AddEffects( EF_NODRAW );
+
+	AddSolidFlags( FSOLID_NOT_SOLID );// intangible
+
+	UTIL_Remove( this );
+	SetTouch( NULL );
+}
+
+
+//=========================================================
+// StartTrack - starts a hornet out tracking its target
+//=========================================================
+void CNPC_Hornet:: StartTrack ( void )
+{
+	IgniteTrail();
+
+	SetTouch( &CNPC_Hornet::TrackTouch );
+	SetThink( &CNPC_Hornet::TrackTarget );
+
+	SetNextThink( gpGlobals->curtime + 0.1f );
+}
+
+void TE_BeamFollow( IRecipientFilter& filter, float delay,
+	int iEntIndex, int modelIndex, int haloIndex, float life, float width, float endWidth, 
+	float fadeLength,float r, float g, float b, float a );
+
+void CNPC_Hornet::IgniteTrail( void )
+{
+	Vector vColor;
+
+	if ( m_iHornetType == HORNET_TYPE_RED )
+		 vColor = Vector ( 179, 39, 14 );
+	else
+		 vColor = Vector ( 255, 128, 0 );
+
+	CBroadcastRecipientFilter filter;
+	TE_BeamFollow( filter, 0.0,
+		entindex(),
+		iHornetTrail,
+		0,
+		1,
+		2,
+		0.5,
+		0.5,
+		vColor.x,
+		vColor.y,
+		vColor.z,
+		128 );
+}
+
+
+unsigned int CNPC_Hornet::PhysicsSolidMaskForEntity( void ) const
+{
+	unsigned int iMask = BaseClass::PhysicsSolidMaskForEntity();
+
+	iMask &= ~CONTENTS_MONSTERCLIP;
+
+	return iMask;
+}
+
+//=========================================================
+// Tracking Hornet hit something
+//=========================================================
+void CNPC_Hornet::TrackTouch ( CBaseEntity *pOther )
+{
+	if ( !pOther->IsSolid() || pOther->IsSolidFlagSet(FSOLID_VOLUME_CONTENTS) )
+	{
+		return;
+	}
+
+	if ( pOther == GetOwnerEntity() || pOther->GetModelIndex() == GetModelIndex() )
+	{// bumped into the guy that shot it.
+		//SetSolid( SOLID_NOT );
+		return;
+	}
+
+	int nRelationship = IRelationType( pOther );
+	if ( (nRelationship == D_FR || nRelationship == D_NU || nRelationship == D_LI) )
+	{
+		// hit something we don't want to hurt, so turn around.
+		Vector vecVel = GetAbsVelocity();
+
+		VectorNormalize( vecVel );
+
+		vecVel.x *= -1;
+		vecVel.y *= -1;
+
+		SetAbsOrigin( GetAbsOrigin() + vecVel * 4 ); // bounce the hornet off a bit.
+		SetAbsVelocity( vecVel * m_flFlySpeed );
+
+		return;
+	}
+
+	DieTouch( pOther );
+}
+
+void CNPC_Hornet::DartTouch( CBaseEntity *pOther )
+{
+	DieTouch( pOther );
+}
+
+//=========================================================
+// Hornet is flying, gently tracking target
+//=========================================================
+void CNPC_Hornet::TrackTarget ( void )
+{
+	Vector	vecFlightDir;
+	Vector	vecDirToEnemy;
+	float	flDelta;
+
+	StudioFrameAdvance( );
+
+	if (gpGlobals->curtime > m_flStopAttack)
+	{
+		SetTouch( NULL );
+		SetThink( &CBaseEntity::SUB_Remove );
+		SetNextThink( gpGlobals->curtime + 0.1f );
+		return;
+	}
+
+	// UNDONE: The player pointer should come back after returning from another level
+	if ( GetEnemy() == NULL )
+	{// enemy is dead.
+		GetSenses()->Look( 1024 );
+		SetEnemy( BestEnemy() );
+	}
+	
+	if ( GetEnemy() != NULL && FVisible( GetEnemy() ))
+	{
+		m_vecEnemyLKP = GetEnemy()->BodyTarget( GetAbsOrigin() );
+	}
+	else
+	{
+		m_vecEnemyLKP = m_vecEnemyLKP + GetAbsVelocity() * m_flFlySpeed * 0.1;
+	}
+
+	vecDirToEnemy = m_vecEnemyLKP - GetAbsOrigin();
+	VectorNormalize( vecDirToEnemy );
+
+	if ( GetAbsVelocity().Length() < 0.1 )
+		vecFlightDir = vecDirToEnemy;
+	else 
+	{
+		vecFlightDir = GetAbsVelocity();
+		VectorNormalize( vecFlightDir );
+	}
+
+	SetAbsVelocity( vecFlightDir + vecDirToEnemy );
+
+	// measure how far the turn is, the wider the turn, the slow we'll go this time.
+	flDelta = DotProduct ( vecFlightDir, vecDirToEnemy );
+	
+	if ( flDelta < 0.5 )
+	{// hafta turn wide again. play sound
+		CPASAttenuationFilter filter( this );
+		EmitSound( filter, entindex(), "Hornet.Buzz" );
+	}
+
+	if ( flDelta <= 0 && m_iHornetType == HORNET_TYPE_RED )
+	{// no flying backwards, but we don't want to invert this, cause we'd go fast when we have to turn REAL far.
+		flDelta = 0.25;
+	}
+
+	Vector vecVel = vecFlightDir + vecDirToEnemy;
+	VectorNormalize( vecVel );
+
+	if ( GetOwnerEntity() && (GetOwnerEntity()->GetFlags() & FL_NPC) )
+	{
+		// random pattern only applies to hornets fired by monsters, not players. 
+
+		vecVel.x += random->RandomFloat ( -0.10, 0.10 );// scramble the flight dir a bit.
+		vecVel.y += random->RandomFloat ( -0.10, 0.10 );
+		vecVel.z += random->RandomFloat ( -0.10, 0.10 );
+	}
+	
+	switch ( m_iHornetType )
+	{
+		case HORNET_TYPE_RED:
+			SetAbsVelocity( vecVel * ( m_flFlySpeed * flDelta ) );// scale the dir by the ( speed * width of turn )
+			SetNextThink( gpGlobals->curtime + random->RandomFloat( 0.1, 0.3 ) );
+			break;
+		default:
+			Assert( false );	//fall through if release
+		case HORNET_TYPE_ORANGE:
+			SetAbsVelocity( vecVel * m_flFlySpeed );// do not have to slow down to turn.
+			SetNextThink( gpGlobals->curtime + 0.1f );// fixed think time
+			break;
+	}
+
+	QAngle angNewAngles;
+	VectorAngles( GetAbsVelocity(), angNewAngles );
+	SetAbsAngles( angNewAngles );
+	
+	SetSolid( SOLID_BBOX );
+
+	// if hornet is close to the enemy, jet in a straight line for a half second.
+	// (only in the single player game)
+	if ( GetEnemy() != NULL && !g_pGameRules->IsMultiplayer() )
+	{
+		if ( flDelta >= 0.4 && ( GetAbsOrigin() - m_vecEnemyLKP ).Length() <= 300 )
+		{
+			CPVSFilter filter( GetAbsOrigin() );
+			te->Sprite( filter, 0.0,
+				&GetAbsOrigin(), // pos
+				iHornetPuff,	// model
+				0.2,				//size
+				128				// brightness
+			);
+
+			CPASAttenuationFilter filter2( this );
+			EmitSound( filter2, entindex(), "Hornet.Buzz" );
+			SetAbsVelocity( GetAbsVelocity() * 2 );
+			SetNextThink( gpGlobals->curtime + 1.0f );
+			// don't attack again
+			m_flStopAttack = gpGlobals->curtime;
+		}
+	}
+}