1HEADmaster

1 files changed, 176 insertions, 0 deletions

diff --git a/game/shared/tf2/grenade_rocket.cpp b/game/shared/tf2/grenade_rocket.cpp
new file mode 100644
index 0000000..881ed74
--- /dev/null
+++ b/game/shared/tf2/grenade_rocket.cpp
@@ -0,0 +1,176 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "tf_player.h"
+#include "engine/IEngineSound.h"
+#include "grenade_rocket.h"
+
+extern short	g_sModelIndexFireball;
+
+IMPLEMENT_SERVERCLASS_ST( CGrenadeRocket, DT_GrenadeRocket)
+END_SEND_TABLE()
+
+BEGIN_DATADESC( CGrenadeRocket )
+
+	DEFINE_FIELD( m_flDamage, FIELD_FLOAT ),
+
+	// Function Pointers
+	DEFINE_FUNCTION( MissileTouch ),
+	DEFINE_FUNCTION( FollowThink ),
+
+END_DATADESC()
+LINK_ENTITY_TO_CLASS( grenade_rocket, CGrenadeRocket );
+PRECACHE_REGISTER(grenade_rocket);
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CGrenadeRocket::CGrenadeRocket()
+{
+	m_pRealOwner = NULL;
+	m_hLockTarget = NULL;
+	UseClientSideAnimation();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CGrenadeRocket::Precache( void )
+{
+	PrecacheModel( "models/weapons/w_missile.mdl" );
+
+	PrecacheScriptSound( "GrenadeRocket.FlyLoop" );
+
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CGrenadeRocket::Spawn( void )
+{
+	Precache();
+
+	SetMoveType( MOVETYPE_FLY );
+	SetSolid( SOLID_BBOX );
+	SetModel( "models/weapons/w_missile.mdl" );
+	UTIL_SetSize( this, vec3_origin, vec3_origin );
+
+	SetCollisionGroup( TFCOLLISION_GROUP_WEAPON );
+	SetTouch( MissileTouch );
+
+	SetDamage( 50 );
+
+	// Forward!
+	Vector forward;
+	AngleVectors( GetLocalAngles(), &forward, NULL, NULL );
+	SetAbsVelocity( forward * ROCKET_VELOCITY );
+
+	EmitSound( "GrenadeRocket.FlyLoop" );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CGrenadeRocket::MissileTouch( CBaseEntity *pOther )
+{
+	Assert( pOther );
+	if ( !pOther->IsSolid() )
+		return;
+
+	Vector vecAbsOrigin = GetAbsOrigin();
+	CPASFilter filter( vecAbsOrigin );
+	te->Explosion( filter, 0.0,	&vecAbsOrigin, g_sModelIndexFireball, 2.0, 15, TE_EXPLFLAG_NONE, 100, m_flDamage );
+
+	StopSound( "GrenadeRocket.FlyLoop" );
+
+	// Don't apply explosive damage if it hit a shield of any kind...
+	bool bHittingShield = false;
+	if (pOther->GetCollisionGroup() == TFCOLLISION_GROUP_SHIELD)
+	{
+		bHittingShield = true;
+	}
+	else if ( pOther->IsPlayer() )
+	{
+		CBaseTFPlayer *pPlayer = static_cast<CBaseTFPlayer*>(pOther);
+
+		trace_t tr;
+		float flDamage = m_flDamage;
+		bHittingShield = pPlayer->IsHittingShield( GetAbsVelocity(), &flDamage );
+	}
+
+	if (!bHittingShield)
+	{
+		RadiusDamage( CTakeDamageInfo( this, m_pRealOwner, m_flDamage, DMG_BLAST ), vecAbsOrigin, 100, CLASS_NONE, NULL );
+	}
+
+	UTIL_Remove( this );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Make this rocket lock onto it's target and track it
+//-----------------------------------------------------------------------------
+void CGrenadeRocket::LockOnto( CBaseEntity *pTarget )
+{
+	m_hLockTarget = pTarget;
+	SetThink( FollowThink );
+	SetNextThink( gpGlobals->curtime + 0.1f );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Try and turn towards the target point
+//-----------------------------------------------------------------------------
+void CGrenadeRocket::FollowThink( void )
+{
+	if ( m_hLockTarget == NULL )
+		return;
+
+	// Weave slightly drunkenly to target
+	Vector vecTarget = m_hLockTarget->GetAbsOrigin() - GetLocalOrigin();
+	VectorNormalize( vecTarget );
+
+	QAngle angles;
+	VectorAngles( vecTarget, angles );
+	SetLocalAngles( angles );
+	
+	Vector vecVelocity = GetAbsVelocity();
+	float flSpeed = vecVelocity.Length();
+	vecVelocity = vecVelocity * 0.2 + vecTarget * flSpeed * 1.2;
+	// Clip to maxspeed
+	if ( vecVelocity.Length() > ROCKET_VELOCITY )
+	{
+		VectorNormalize( vecVelocity );
+		vecVelocity *= ROCKET_VELOCITY;
+	}
+	SetAbsVelocity( vecVelocity );
+
+	SetNextThink( gpGlobals->curtime + 0.1f );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Create a missile
+//-----------------------------------------------------------------------------
+CGrenadeRocket *CGrenadeRocket::Create( const Vector &vecOrigin, const Vector &vecForward, edict_t *pentOwner = NULL, CBaseEntity *pRealOwner = NULL )
+{
+	CGrenadeRocket *pRocket = (CGrenadeRocket *)CreateEntityByName("grenade_rocket" );
+
+	UTIL_SetOrigin( pRocket, vecOrigin );
+	QAngle angles;
+	VectorAngles( vecForward, angles );
+	pRocket->SetLocalAngles( angles );
+	pRocket->Spawn();
+	pRocket->SetOwnerEntity( Instance( pentOwner ) );
+	pRocket->m_pRealOwner = pRealOwner;
+
+	if (pentOwner)
+	{
+		CBaseEntity *pOwnerEnt = GetContainingEntity( pentOwner );
+		pRocket->ChangeTeam( pOwnerEnt->GetTeamNumber() );
+	}
+
+	return pRocket;
+}