1 files changed, 365 insertions, 0 deletions
diff --git a/game/server/hl2/grenade_satchel.cpp b/game/server/hl2/grenade_satchel.cpp
new file mode 100644
index 0000000..d8777f9
--- /dev/null
+++ b/game/server/hl2/grenade_satchel.cpp
@@ -0,0 +1,365 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "grenade_satchel.h"
+#include "player.h"
+#include "soundenvelope.h"
+#include "engine/IEngineSound.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+ConVar    sk_plr_dmg_satchel		( "sk_plr_dmg_satchel","0");
+ConVar    sk_npc_dmg_satchel		( "sk_npc_dmg_satchel","0");
+ConVar    sk_satchel_radius			( "sk_satchel_radius","0");
+
+BEGIN_DATADESC( CSatchelCharge )
+
+	DEFINE_SOUNDPATCH( m_soundSlide ),
+
+	DEFINE_FIELD( m_flSlideVolume, FIELD_FLOAT ),
+	DEFINE_FIELD( m_flNextBounceSoundTime, FIELD_TIME ),
+	DEFINE_FIELD( m_bInAir, FIELD_BOOLEAN ),
+	DEFINE_FIELD( m_vLastPosition, FIELD_POSITION_VECTOR ),
+	DEFINE_FIELD( m_pMyWeaponSLAM, FIELD_CLASSPTR ),
+	DEFINE_FIELD( m_bIsAttached, FIELD_BOOLEAN ),
+
+	// Function Pointers
+	DEFINE_FUNCTION( SatchelTouch ),
+	DEFINE_FUNCTION( SatchelThink ),
+	DEFINE_FUNCTION( SatchelUse ),
+
+END_DATADESC()
+
+LINK_ENTITY_TO_CLASS( npc_satchel, CSatchelCharge );
+
+//=========================================================
+// Deactivate - do whatever it is we do to an orphaned 
+// satchel when we don't want it in the world anymore.
+//=========================================================
+void CSatchelCharge::Deactivate( void )
+{
+	AddSolidFlags( FSOLID_NOT_SOLID );
+	UTIL_Remove( this );
+}
+
+
+void CSatchelCharge::Spawn( void )
+{
+	Precache( );
+	// motor
+	SetMoveType( MOVETYPE_FLYGRAVITY, MOVECOLLIDE_FLY_BOUNCE );
+	SetSolid( SOLID_BBOX ); 
+	SetCollisionGroup( COLLISION_GROUP_PROJECTILE );
+	SetModel( "models/Weapons/w_slam.mdl" );
+
+	UTIL_SetSize(this, Vector( -6, -6, -2), Vector(6, 6, 2));
+
+	SetTouch( SatchelTouch );
+	SetUse( SatchelUse );
+	SetThink( SatchelThink );
+	SetNextThink( gpGlobals->curtime + 0.1f );
+
+	m_flDamage		= sk_plr_dmg_satchel.GetFloat();
+	m_DmgRadius		= sk_satchel_radius.GetFloat();
+	m_takedamage	= DAMAGE_YES;
+	m_iHealth		= 1;
+
+	SetGravity( UTIL_ScaleForGravity( 560 ) );	// slightly lower gravity
+	SetFriction( 1.0 );
+	SetSequence( 1 );
+
+	m_bIsAttached			= false;
+	m_bInAir				= true;
+	m_flSlideVolume			= -1.0;
+	m_flNextBounceSoundTime	= 0;
+
+	m_vLastPosition	= vec3_origin;
+
+	InitSlideSound();
+}
+
+//-----------------------------------------------------------------------------
+
+void CSatchelCharge::InitSlideSound(void)
+{
+	CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
+	CPASAttenuationFilter filter( this );
+	m_soundSlide = controller.SoundCreate( filter, entindex(), CHAN_STATIC, "SatchelCharge.Slide", ATTN_NORM );	
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input  :
+// Output :
+//-----------------------------------------------------------------------------
+void CSatchelCharge::KillSlideSound(void)
+{
+	CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
+	controller.CommandClear( m_soundSlide );
+	controller.SoundFadeOut( m_soundSlide, 0.0 );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input  :
+// Output :
+//-----------------------------------------------------------------------------
+void CSatchelCharge::SatchelUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
+{
+	KillSlideSound();
+	SetThink( Detonate );
+	SetNextThink( gpGlobals->curtime );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input  :
+// Output :
+//-----------------------------------------------------------------------------
+void CSatchelCharge::SatchelTouch( CBaseEntity *pOther )
+{
+	Assert( pOther );
+	if ( !pOther->IsSolid() )
+		return;
+
+	// If successfully thrown and touching the 
+	// NPC that released this grenade, pick it up
+	if ( pOther == GetThrower() && GetOwnerEntity() == NULL )
+	{
+		CBasePlayer *pPlayer = ToBasePlayer( m_pMyWeaponSLAM->GetOwner() );
+		if (pPlayer)
+		{
+			// Give the player ammo
+			pPlayer->GiveAmmo(1, m_pMyWeaponSLAM->m_iSecondaryAmmoType);
+
+			CPASAttenuationFilter filter( pPlayer, "SatchelCharge.Pickup" );
+			EmitSound( filter, pPlayer->entindex(), "SatchelCharge.Pickup" );
+
+			m_bIsLive = false;
+
+			// Take weapon out of detonate mode if necessary
+			if (!m_pMyWeaponSLAM->AnyUndetonatedCharges())
+			{
+				m_pMyWeaponSLAM->m_bDetonatorArmed			= false;
+				m_pMyWeaponSLAM->m_bNeedDetonatorHolster	= true;
+
+				// Put detonator away right away
+				m_pMyWeaponSLAM->SetWeaponIdleTime( gpGlobals->curtime );
+			}
+
+			// Kill any sliding sound
+			KillSlideSound();
+
+			// Remove satchel charge from world
+			UTIL_Remove( this );
+			return;
+		}
+
+	}
+
+	StudioFrameAdvance( );
+
+	// Is it attached to a wall?
+	if (m_bIsAttached)
+	{
+		return;
+	}
+
+	SetGravity( 1 );// normal gravity now
+
+	// HACKHACK - On ground isn't always set, so look for ground underneath
+	trace_t tr;
+	UTIL_TraceLine( GetAbsOrigin(), GetAbsOrigin() - Vector(0,0,10), MASK_SOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &tr );
+
+	if ( tr.fraction < 1.0 )
+	{
+		// add a bit of static friction
+		SetAbsVelocity( GetAbsVelocity() * 0.85 );
+		SetLocalAngularVelocity( GetLocalAngularVelocity() * 0.8 );
+	}
+
+	UpdateSlideSound();
+
+	if (m_bInAir)
+	{
+		BounceSound();
+		m_bInAir = false;
+	}
+
+}
+
+void CSatchelCharge::UpdateSlideSound( void )
+{	
+	if (!m_soundSlide)
+	{
+		return;
+	}
+
+	float volume = GetAbsVelocity().Length2D()/1000;
+	if (volume < 0.01 && m_soundSlide)
+	{
+		KillSlideSound();
+		return;
+	}
+		// HACKHACK - On ground isn't always set, so look for ground underneath
+	trace_t tr;
+	UTIL_TraceLine( GetAbsOrigin(), GetAbsOrigin() - Vector(0,0,10), MASK_SOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &tr );
+
+	CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
+
+	
+	if ( tr.fraction < 1.0 )
+	{
+		if (m_flSlideVolume == -1.0)
+		{
+			controller.CommandClear( m_soundSlide );
+			controller.Play( m_soundSlide, 1.0, 100 );
+			m_flSlideVolume = 1.0;
+		}
+		else 
+		{
+			float volume = GetAbsVelocity().Length()/1000;
+			if ( volume < m_flSlideVolume )
+			{
+				m_flSlideVolume = volume;
+				controller.CommandClear( m_soundSlide );
+				controller.SoundChangeVolume( m_soundSlide, volume, 0.1 );
+			}
+		}
+	}
+	else 
+	{
+		controller.CommandClear( m_soundSlide );
+		controller.SoundChangeVolume( m_soundSlide, 0.0, 0.01 );
+		m_flSlideVolume = -1.0;
+		m_bInAir = true;
+		return;
+	}
+}
+
+void CSatchelCharge::SatchelThink( void )
+{
+	// If attached resize so player can pick up off wall
+	if (m_bIsAttached)
+	{
+		UTIL_SetSize(this, Vector( -2, -2, -6), Vector(2, 2, 6));
+	}
+
+	UpdateSlideSound();
+
+	// See if I can lose my owner (has dropper moved out of way?)
+	// Want do this so owner can shoot the satchel charge
+	if (GetOwnerEntity())
+	{
+		trace_t tr;
+		Vector	vUpABit = GetAbsOrigin();
+		vUpABit.z += 5.0;
+
+		CBaseEntity* saveOwner	= GetOwnerEntity();
+		SetOwnerEntity( NULL );
+		UTIL_TraceEntity( this, GetAbsOrigin(), vUpABit, MASK_SOLID, &tr );
+		if ( tr.startsolid || tr.fraction != 1.0 )
+		{
+			SetOwnerEntity( saveOwner );
+		}
+	}
+	
+	// Bounce movement code gets this think stuck occasionally so check if I've 
+	// succeeded in moving, otherwise kill my motions.
+	else if ((GetAbsOrigin() - m_vLastPosition).LengthSqr()<1)
+	{
+		SetAbsVelocity( vec3_origin );
+
+		QAngle angVel = GetLocalAngularVelocity();
+		angVel.y  = 0;
+		SetLocalAngularVelocity( angVel );
+
+		// Kill any remaining sound
+		KillSlideSound();
+
+		// Clear think function
+		SetThink(NULL);
+		return;
+	}
+	m_vLastPosition= GetAbsOrigin();
+
+	StudioFrameAdvance( );
+	SetNextThink( gpGlobals->curtime + 0.1f );
+
+	if (!IsInWorld())
+	{
+		// Kill any remaining sound
+		KillSlideSound();
+
+		UTIL_Remove( this );
+		return;
+	}
+
+	// Is it attached to a wall?
+	if (m_bIsAttached)
+	{
+		return;
+	}
+
+	Vector vecNewVel = GetAbsVelocity();
+	if (GetWaterLevel() == 3)
+	{
+		SetMoveType( MOVETYPE_FLY );
+		vecNewVel *= 0.8;
+		vecNewVel.z += 8;
+		SetLocalAngularVelocity( GetLocalAngularVelocity() * 0.9 );
+	}
+	else if (GetWaterLevel() == 0)
+	{
+		SetMoveType( MOVETYPE_FLYGRAVITY, MOVECOLLIDE_FLY_BOUNCE );
+	}
+	else
+	{
+		vecNewVel.z -= 8;
+	}
+	SetAbsVelocity( vecNewVel );
+}
+
+void CSatchelCharge::Precache( void )
+{
+	PrecacheModel("models/Weapons/w_slam.mdl");
+
+	PrecacheScriptSound( "SatchelCharge.Pickup" );
+	PrecacheScriptSound( "SatchelCharge.Bounce" );
+
+	PrecacheScriptSound( "SatchelCharge.Slide" );
+}
+
+void CSatchelCharge::BounceSound( void )
+{
+	if (gpGlobals->curtime > m_flNextBounceSoundTime)
+	{
+		EmitSound( "SatchelCharge.Bounce" );
+
+		m_flNextBounceSoundTime = gpGlobals->curtime + 0.1;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+// Input  :
+// Output :
+//-----------------------------------------------------------------------------
+CSatchelCharge::CSatchelCharge(void)
+{
+	m_vLastPosition.Init();
+	m_pMyWeaponSLAM = NULL;
+}
+
+CSatchelCharge::~CSatchelCharge(void)
+{
+	CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
+	controller.SoundDestroy( m_soundSlide );
+}