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game/server/tf2/tf_flare.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Auto Repair
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#include "cbase.h"
+#include "tf_flare.h"
+#include "tf_player.h"
+#include "tf_team.h"
+#include "IEffects.h"
+#include "engine/IEngineSound.h"
+
+// Data Description
+BEGIN_DATADESC( CSignalFlare )
+
+	// Function Pointers
+	DEFINE_FUNCTION( FlareTouch ),
+	DEFINE_FUNCTION( FlareThink ),
+
+END_DATADESC()
+
+//Data Table
+IMPLEMENT_SERVERCLASS_ST( CSignalFlare, DT_SignalFlare )
+	SendPropFloat( SENDINFO( m_flDuration ), 0,	SPROP_NOSCALE ),
+	SendPropFloat( SENDINFO( m_flScale ), 0, SPROP_NOSCALE ),
+	SendPropInt( SENDINFO( m_bLight ), 1, SPROP_UNSIGNED ),
+	SendPropInt( SENDINFO( m_bSmoke ), 1, SPROP_UNSIGNED ),
+END_SEND_TABLE()
+
+LINK_ENTITY_TO_CLASS( env_flare, CSignalFlare );
+PRECACHE_REGISTER( env_flare );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CSignalFlare::CSignalFlare( void )
+{
+	m_nBounces = 0;
+	m_flScale = 1.0f;
+
+	m_bFading = false;
+	m_bLight = true;
+	m_bSmoke = true;
+	
+	m_flNextDamage = gpGlobals->curtime;
+	m_lifeState = LIFE_ALIVE;
+	m_iHealth = 100;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CSignalFlare::Precache( void )
+{
+	// Precache model(s).
+	// bug: this model no longer exists:
+	//PrecacheModel("models/flare.mdl" );
+
+	PrecacheScriptSound( "SignalFlare.Impact" );
+	PrecacheScriptSound( "SignalFlare.BurnLower" );
+	PrecacheScriptSound( "SignalFlare.Burn" );
+
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CSignalFlare::Spawn( void )
+{
+	Precache();
+	SetModel( "models/flare.mdl" );
+
+	UTIL_SetSize( this, Vector( -2, -2, -2 ), Vector( 2, 2, 2 ) );
+
+	SetSolid( SOLID_BBOX );
+	AddSolidFlags( FSOLID_NOT_SOLID );
+	SetMoveType( MOVETYPE_NONE );
+	SetFriction( 0.6f );
+	SetGravity( UTIL_ScaleForGravity( 400 ) );
+	m_flDuration = gpGlobals->curtime + 10;
+
+	if ( HasSpawnFlags( SIGNALFLARE_NO_DLIGHT ) )
+	{
+		m_bLight = false;
+	}
+
+	if ( HasSpawnFlags( SIGNALFLARE_NO_SMOKE ) )
+	{
+		m_bSmoke = false;
+	}
+
+	if ( HasSpawnFlags( SIGNALFLARE_INFINITE ) )
+	{
+		m_flDuration = -1.0f;
+	}
+
+	AddFlag( FL_OBJECT | FL_NOTARGET );
+
+	EmitSound( "SignalFlare.Burn" );
+
+	SetThink( FlareThink );
+	SetNextThink( gpGlobals->curtime + 0.1f );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : vecOrigin - 
+//			vecAngles - 
+//			*pOwner - 
+// Output : CSignalFlare
+//-----------------------------------------------------------------------------
+CSignalFlare *CSignalFlare::Create( Vector vecOrigin, QAngle vecAngles, CBaseEntity *pOwner, float lifetime )
+{
+	// Create an instance of a flare.
+	CSignalFlare *pFlare = ( CSignalFlare* )CreateEntityByName( "env_flare" );
+	if ( !pFlare )
+		return NULL;
+
+	// Set the initial origin and angle vectors.
+	UTIL_SetOrigin( pFlare, vecOrigin );
+	pFlare->SetLocalAngles( vecAngles );
+
+	// Spawn the flare.
+	pFlare->Spawn();
+
+	// Set the flare's touch and think functions.
+	pFlare->SetTouch( FlareTouch );
+	pFlare->SetThink( FlareThink );
+	
+	// Don't start sparking immediately.
+	pFlare->SetNextThink( gpGlobals->curtime + 0.5f );
+
+	// Set the burn out time.
+	pFlare->m_flDuration = gpGlobals->curtime + lifetime;
+
+	pFlare->AddSolidFlags( FSOLID_NOT_STANDABLE );
+	pFlare->RemoveSolidFlags( FSOLID_NOT_SOLID );
+
+	pFlare->SetMoveType( MOVETYPE_FLYGRAVITY, MOVECOLLIDE_FLY_BOUNCE );
+
+	pFlare->SetOwnerEntity( pOwner );
+	pFlare->m_pOwner = pOwner;
+
+	return pFlare;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CSignalFlare::FlareThink( void )
+{
+	float deltaTime = ( m_flDuration - gpGlobals->curtime );
+
+	if ( m_flDuration != -1.0f )
+	{
+		//Fading away
+		if ( ( deltaTime <= 2.0f ) && ( m_bFading == false ) )
+		{
+			m_bFading = true;
+
+			// Reduce sound!
+			EmitSound( "SignalFlare.BurnLower" );
+		}
+
+		//Burned out
+		if ( m_flDuration < gpGlobals->curtime )
+		{
+			StopSound( "SignalFlare.Burn" );
+			UTIL_Remove( this );
+			return;
+		}
+	}
+	
+	//Act differently underwater
+	if ( GetWaterLevel() > 1 )
+	{
+		UTIL_Bubbles( GetAbsOrigin() + Vector( -2, -2, -2 ), GetAbsOrigin() + Vector( 2, 2, 2 ), 1 );
+		m_bSmoke = false;
+	}
+	else
+	{
+		//Shoot sparks
+		if ( random->RandomInt( 0, 8 ) == 1 )
+		{
+			g_pEffects->Sparks( GetAbsOrigin() );
+		}
+	}
+
+	//Next update
+	SetNextThink( gpGlobals->curtime + 0.1f );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *pOther - 
+//-----------------------------------------------------------------------------
+void CSignalFlare::FlareTouch( CBaseEntity *pOther )
+{
+	Assert( pOther );
+	if ( !pOther->IsSolid() )
+		return;
+
+	if ( ( m_nBounces < 10 ) && ( GetWaterLevel() < 1 ) )
+	{
+		//Throw some real chunks here
+		g_pEffects->Sparks( GetAbsOrigin() );
+	}
+
+	// hit the world, check the material type here, see if the flare should stick.
+//	const trace_t &tr = CBaseEntity::GetTouchTrace();
+
+	if ( m_nBounces == 0 )
+	{
+		// Emit an impact sound.
+		EmitSound( "SignalFlare.Impact" );
+	}
+	
+	// Change our flight characteristics
+	SetMoveType( MOVETYPE_FLYGRAVITY, MOVECOLLIDE_FLY_BOUNCE );
+	SetGravity( UTIL_ScaleForGravity( 640 ) );
+	
+	m_nBounces++;
+	
+	// After the first bounce, smacking into whoever fired the flare is fair game
+	SetOwnerEntity( this );	
+	
+	//Slow down
+	Vector newVelocity = GetAbsVelocity();
+	newVelocity.x *= 0.8f;
+	newVelocity.y *= 0.8f;
+	
+	// Stopped?
+	if ( newVelocity.Length() < 64.0f )
+	{
+		newVelocity.Init();
+		SetMoveType( MOVETYPE_NONE );
+		RemoveSolidFlags( FSOLID_NOT_SOLID );
+		AddSolidFlags( FSOLID_TRIGGER );
+	}
+
+	SetAbsVelocity( newVelocity );
+}