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Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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source-engine/game/server/hl2/prop_combine_ball.cpp

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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: combine ball - can be held by the super physcannon and launched
// by the AR2's alt-fire
//
//=============================================================================//
#include "cbase.h"
#include "prop_combine_ball.h"
#include "props.h"
#include "explode.h"
#include "saverestore_utlvector.h"
#include "hl2_shareddefs.h"
#include "materialsystem/imaterial.h"
#include "beam_flags.h"
#include "physics_prop_ragdoll.h"
#include "soundent.h"
#include "soundenvelope.h"
#include "te_effect_dispatch.h"
#include "ai_basenpc.h"
#include "npc_bullseye.h"
#include "filters.h"
#include "SpriteTrail.h"
#include "decals.h"
#include "hl2_player.h"
#include "eventqueue.h"
#include "physics_collisionevent.h"
#include "gamestats.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
#define PROP_COMBINE_BALL_MODEL "models/effects/combineball.mdl"
#define PROP_COMBINE_BALL_SPRITE_TRAIL "sprites/combineball_trail_black_1.vmt"
#define PROP_COMBINE_BALL_LIFETIME 4.0f // Seconds
#define PROP_COMBINE_BALL_HOLD_DISSOLVE_TIME 8.0f
#define SF_COMBINE_BALL_BOUNCING_IN_SPAWNER 0x10000
#define MAX_COMBINEBALL_RADIUS 12
ConVar sk_npc_dmg_combineball( "sk_npc_dmg_combineball","15", FCVAR_REPLICATED);
ConVar sk_combineball_guidefactor( "sk_combineball_guidefactor","0.5", FCVAR_REPLICATED);
ConVar sk_combine_ball_search_radius( "sk_combine_ball_search_radius", "512", FCVAR_REPLICATED);
ConVar sk_combineball_seek_angle( "sk_combineball_seek_angle","15.0", FCVAR_REPLICATED);
ConVar sk_combineball_seek_kill( "sk_combineball_seek_kill","0", FCVAR_REPLICATED);
// For our ring explosion
int s_nExplosionTexture = -1;
//-----------------------------------------------------------------------------
// Context think
//-----------------------------------------------------------------------------
static const char *s_pWhizThinkContext = "WhizThinkContext";
static const char *s_pHoldDissolveContext = "HoldDissolveContext";
static const char *s_pExplodeTimerContext = "ExplodeTimerContext";
static const char *s_pAnimThinkContext = "AnimThinkContext";
static const char *s_pCaptureContext = "CaptureContext";
static const char *s_pRemoveContext = "RemoveContext";
//-----------------------------------------------------------------------------
// Purpose:
// Input : radius -
// Output : CBaseEntity
//-----------------------------------------------------------------------------
CBaseEntity *CreateCombineBall( const Vector &origin, const Vector &velocity, float radius, float mass, float lifetime, CBaseEntity *pOwner )
{
CPropCombineBall *pBall = static_cast<CPropCombineBall*>( CreateEntityByName( "prop_combine_ball" ) );
pBall->SetRadius( radius );
pBall->SetAbsOrigin( origin );
pBall->SetOwnerEntity( pOwner );
pBall->SetOriginalOwner( pOwner );
pBall->SetAbsVelocity( velocity );
pBall->Spawn();
pBall->SetState( CPropCombineBall::STATE_THROWN );
pBall->SetSpeed( velocity.Length() );
pBall->EmitSound( "NPC_CombineBall.Launch" );
PhysSetGameFlags( pBall->VPhysicsGetObject(), FVPHYSICS_WAS_THROWN );
pBall->StartWhizSoundThink();
pBall->SetMass( mass );
pBall->StartLifetime( lifetime );
pBall->SetWeaponLaunched( true );
return pBall;
}
//-----------------------------------------------------------------------------
// Purpose: Allows game to know if the physics object should kill allies or not
//-----------------------------------------------------------------------------
CBasePlayer *CPropCombineBall::HasPhysicsAttacker( float dt )
{
// Must have an owner
if ( GetOwnerEntity() == NULL )
return NULL;
// Must be a player
if ( GetOwnerEntity()->IsPlayer() == false )
return NULL;
// We don't care about the time passed in
return static_cast<CBasePlayer *>(GetOwnerEntity());
}
//-----------------------------------------------------------------------------
// Purpose: Determines whether a physics object is a combine ball or not
// Input : *pObj - Object to test
// Output : Returns true on success, false on failure.
// Notes : This function cannot identify a combine ball that is held by
// the physcannon because any object held by the physcannon is
// COLLISIONGROUP_DEBRIS.
//-----------------------------------------------------------------------------
bool UTIL_IsCombineBall( CBaseEntity *pEntity )
{
// Must be the correct collision group
if ( pEntity->GetCollisionGroup() != HL2COLLISION_GROUP_COMBINE_BALL )
return false;
//NOTENOTE: This allows ANY combine ball to pass the test
/*
CPropCombineBall *pBall = dynamic_cast<CPropCombineBall *>(pEntity);
if ( pBall && pBall->WasWeaponLaunched() )
return false;
*/
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Determines whether a physics object is an AR2 combine ball or not
// Input : *pEntity -
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool UTIL_IsAR2CombineBall( CBaseEntity *pEntity )
{
// Must be the correct collision group
if ( pEntity->GetCollisionGroup() != HL2COLLISION_GROUP_COMBINE_BALL )
return false;
CPropCombineBall *pBall = dynamic_cast<CPropCombineBall *>(pEntity);
if ( pBall && pBall->WasWeaponLaunched() )
return true;
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Uses a deeper casting check to determine if pEntity is a combine
// ball. This function exists because the normal (much faster) check
// in UTIL_IsCombineBall() can never identify a combine ball held by
// the physcannon because the physcannon changes the held entity's
// collision group.
// Input : *pEntity - Entity to check
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool UTIL_IsCombineBallDefinite( CBaseEntity *pEntity )
{
CPropCombineBall *pBall = dynamic_cast<CPropCombineBall *>(pEntity);
return pBall != NULL;
}
//-----------------------------------------------------------------------------
//
// Spawns combine balls
//
//-----------------------------------------------------------------------------
#define SF_SPAWNER_START_DISABLED 0x1000
#define SF_SPAWNER_POWER_SUPPLY 0x2000
//-----------------------------------------------------------------------------
// Implementation of CPropCombineBall
//-----------------------------------------------------------------------------
LINK_ENTITY_TO_CLASS( prop_combine_ball, CPropCombineBall );
//-----------------------------------------------------------------------------
// Save/load:
//-----------------------------------------------------------------------------
BEGIN_DATADESC( CPropCombineBall )
DEFINE_FIELD( m_flLastBounceTime, FIELD_TIME ),
DEFINE_FIELD( m_flRadius, FIELD_FLOAT ),
DEFINE_FIELD( m_nState, FIELD_CHARACTER ),
DEFINE_FIELD( m_pGlowTrail, FIELD_CLASSPTR ),
DEFINE_SOUNDPATCH( m_pHoldingSound ),
DEFINE_FIELD( m_bFiredGrabbedOutput, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bEmit, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bHeld, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bLaunched, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bStruckEntity, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bWeaponLaunched, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bForward, FIELD_BOOLEAN ),
DEFINE_FIELD( m_flSpeed, FIELD_FLOAT ),
DEFINE_FIELD( m_flNextDamageTime, FIELD_TIME ),
DEFINE_FIELD( m_flLastCaptureTime, FIELD_TIME ),
DEFINE_FIELD( m_bCaptureInProgress, FIELD_BOOLEAN ),
DEFINE_FIELD( m_nBounceCount, FIELD_INTEGER ),
DEFINE_FIELD( m_nMaxBounces, FIELD_INTEGER ),
DEFINE_FIELD( m_bBounceDie, FIELD_BOOLEAN ),
DEFINE_FIELD( m_hSpawner, FIELD_EHANDLE ),
DEFINE_THINKFUNC( ExplodeThink ),
DEFINE_THINKFUNC( WhizSoundThink ),
DEFINE_THINKFUNC( DieThink ),
DEFINE_THINKFUNC( DissolveThink ),
DEFINE_THINKFUNC( DissolveRampSoundThink ),
DEFINE_THINKFUNC( AnimThink ),
DEFINE_THINKFUNC( CaptureBySpawner ),
DEFINE_INPUTFUNC( FIELD_VOID, "Explode", InputExplode ),
DEFINE_INPUTFUNC( FIELD_VOID, "FadeAndRespawn", InputFadeAndRespawn ),
DEFINE_INPUTFUNC( FIELD_VOID, "Kill", InputKill ),
DEFINE_INPUTFUNC( FIELD_VOID, "Socketed", InputSocketed ),
END_DATADESC()
IMPLEMENT_SERVERCLASS_ST( CPropCombineBall, DT_PropCombineBall )
SendPropBool( SENDINFO( m_bEmit ) ),
SendPropFloat( SENDINFO( m_flRadius ), 0, SPROP_NOSCALE ),
SendPropBool( SENDINFO( m_bHeld ) ),
SendPropBool( SENDINFO( m_bLaunched ) ),
END_SEND_TABLE()
//-----------------------------------------------------------------------------
// Gets at the spawner
//-----------------------------------------------------------------------------
CFuncCombineBallSpawner *CPropCombineBall::GetSpawner()
{
return m_hSpawner;
}
//-----------------------------------------------------------------------------
// Precache
//-----------------------------------------------------------------------------
void CPropCombineBall::Precache( void )
{
//NOTENOTE: We don't call into the base class because it chains multiple
// precaches we don't need to incur
PrecacheModel( PROP_COMBINE_BALL_MODEL );
PrecacheModel( PROP_COMBINE_BALL_SPRITE_TRAIL );
s_nExplosionTexture = PrecacheModel( "sprites/lgtning.vmt" );
PrecacheScriptSound( "NPC_CombineBall.Launch" );
PrecacheScriptSound( "NPC_CombineBall.KillImpact" );
if ( hl2_episodic.GetBool() )
{
PrecacheScriptSound( "NPC_CombineBall_Episodic.Explosion" );
PrecacheScriptSound( "NPC_CombineBall_Episodic.WhizFlyby" );
PrecacheScriptSound( "NPC_CombineBall_Episodic.Impact" );
}
else
{
PrecacheScriptSound( "NPC_CombineBall.Explosion" );
PrecacheScriptSound( "NPC_CombineBall.WhizFlyby" );
PrecacheScriptSound( "NPC_CombineBall.Impact" );
}
PrecacheScriptSound( "NPC_CombineBall.HoldingInPhysCannon" );
}
//-----------------------------------------------------------------------------
// Spherical vphysics
//-----------------------------------------------------------------------------
bool CPropCombineBall::OverridePropdata()
{
return true;
}
//-----------------------------------------------------------------------------
// Spherical vphysics
//-----------------------------------------------------------------------------
void CPropCombineBall::SetState( int state )
{
if ( m_nState != state )
{
if ( m_nState == STATE_NOT_THROWN )
{
m_flLastCaptureTime = gpGlobals->curtime;
}
m_nState = state;
}
}
bool CPropCombineBall::IsInField() const
{
return (m_nState == STATE_NOT_THROWN);
}
//-----------------------------------------------------------------------------
// Sets the radius
//-----------------------------------------------------------------------------
void CPropCombineBall::SetRadius( float flRadius )
{
m_flRadius = clamp( flRadius, 1, MAX_COMBINEBALL_RADIUS );
}
//-----------------------------------------------------------------------------
// Create vphysics
//-----------------------------------------------------------------------------
bool CPropCombineBall::CreateVPhysics()
{
SetSolid( SOLID_BBOX );
float flSize = m_flRadius;
SetCollisionBounds( Vector(-flSize, -flSize, -flSize), Vector(flSize, flSize, flSize) );
objectparams_t params = g_PhysDefaultObjectParams;
params.pGameData = static_cast<void *>(this);
int nMaterialIndex = physprops->GetSurfaceIndex("metal_bouncy");
IPhysicsObject *pPhysicsObject = physenv->CreateSphereObject( flSize, nMaterialIndex, GetAbsOrigin(), GetAbsAngles(), &params, false );
if ( !pPhysicsObject )
return false;
VPhysicsSetObject( pPhysicsObject );
SetMoveType( MOVETYPE_VPHYSICS );
pPhysicsObject->Wake();
pPhysicsObject->SetMass( 750.0f );
pPhysicsObject->EnableGravity( false );
pPhysicsObject->EnableDrag( false );
float flDamping = 0.0f;
float flAngDamping = 0.5f;
pPhysicsObject->SetDamping( &flDamping, &flAngDamping );
pPhysicsObject->SetInertia( Vector( 1e30, 1e30, 1e30 ) );
if( WasFiredByNPC() )
{
// Don't do impact damage. Just touch them and do your dissolve damage and move on.
PhysSetGameFlags( pPhysicsObject, FVPHYSICS_NO_NPC_IMPACT_DMG );
}
else
{
PhysSetGameFlags( pPhysicsObject, FVPHYSICS_DMG_DISSOLVE | FVPHYSICS_HEAVY_OBJECT );
}
return true;
}
//-----------------------------------------------------------------------------
// Spawn:
//-----------------------------------------------------------------------------
void CPropCombineBall::Spawn( void )
{
BaseClass::Spawn();
SetModel( PROP_COMBINE_BALL_MODEL );
if( ShouldHitPlayer() )
{
// This allows the combine ball to hit the player.
SetCollisionGroup( HL2COLLISION_GROUP_COMBINE_BALL_NPC );
}
else
{
SetCollisionGroup( HL2COLLISION_GROUP_COMBINE_BALL );
}
CreateVPhysics();
Vector vecAbsVelocity = GetAbsVelocity();
VPhysicsGetObject()->SetVelocity( &vecAbsVelocity, NULL );
m_nState = STATE_NOT_THROWN;
m_flLastBounceTime = -1.0f;
m_bFiredGrabbedOutput = false;
m_bForward = true;
m_bCaptureInProgress = false;
// No shadow!
AddEffects( EF_NOSHADOW );
// Start up the eye trail
m_pGlowTrail = CSpriteTrail::SpriteTrailCreate( PROP_COMBINE_BALL_SPRITE_TRAIL, GetAbsOrigin(), false );
if ( m_pGlowTrail != NULL )
{
m_pGlowTrail->FollowEntity( this );
m_pGlowTrail->SetTransparency( kRenderTransAdd, 0, 0, 0, 255, kRenderFxNone );
m_pGlowTrail->SetStartWidth( m_flRadius );
m_pGlowTrail->SetEndWidth( 0 );
m_pGlowTrail->SetLifeTime( 0.1f );
m_pGlowTrail->TurnOff();
}
m_bEmit = true;
m_bHeld = false;
m_bLaunched = false;
m_bStruckEntity = false;
m_bWeaponLaunched = false;
m_flNextDamageTime = gpGlobals->curtime;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::StartAnimating( void )
{
// Start our animation cycle. Use the random to avoid everything thinking the same frame
SetContextThink( &CPropCombineBall::AnimThink, gpGlobals->curtime + random->RandomFloat( 0.0f, 0.1f), s_pAnimThinkContext );
int nSequence = LookupSequence( "idle" );
SetCycle( 0 );
m_flAnimTime = gpGlobals->curtime;
ResetSequence( nSequence );
ResetClientsideFrame();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::StopAnimating( void )
{
SetContextThink( NULL, gpGlobals->curtime, s_pAnimThinkContext );
}
//-----------------------------------------------------------------------------
// Put it into the spawner
//-----------------------------------------------------------------------------
void CPropCombineBall::CaptureBySpawner( )
{
m_bCaptureInProgress = true;
m_bFiredGrabbedOutput = false;
// Slow down the ball
Vector vecVelocity;
VPhysicsGetObject()->GetVelocity( &vecVelocity, NULL );
float flSpeed = VectorNormalize( vecVelocity );
if ( flSpeed > 25.0f )
{
vecVelocity *= flSpeed * 0.4f;
VPhysicsGetObject()->SetVelocity( &vecVelocity, NULL );
// Slow it down until we can set its velocity ok
SetContextThink( &CPropCombineBall::CaptureBySpawner, gpGlobals->curtime + 0.01f, s_pCaptureContext );
return;
}
// Ok, we're captured
SetContextThink( NULL, gpGlobals->curtime, s_pCaptureContext );
ReplaceInSpawner( GetSpawner()->GetBallSpeed() );
m_bCaptureInProgress = false;
}
//-----------------------------------------------------------------------------
// Put it into the spawner
//-----------------------------------------------------------------------------
void CPropCombineBall::ReplaceInSpawner( float flSpeed )
{
m_bForward = true;
m_nState = STATE_NOT_THROWN;
// Prevent it from exploding
ClearLifetime( );
// Stop whiz noises
SetContextThink( NULL, gpGlobals->curtime, s_pWhizThinkContext );
// Slam velocity to what the field wants
Vector vecTarget, vecVelocity;
GetSpawner()->GetTargetEndpoint( m_bForward, &vecTarget );
VectorSubtract( vecTarget, GetAbsOrigin(), vecVelocity );
VectorNormalize( vecVelocity );
vecVelocity *= flSpeed;
VPhysicsGetObject()->SetVelocity( &vecVelocity, NULL );
// Set our desired speed to the spawner's speed. This will be
// our speed on our first bounce in the field.
SetSpeed( flSpeed );
}
float CPropCombineBall::LastCaptureTime() const
{
if ( IsInField() || IsBeingCaptured() )
return gpGlobals->curtime;
return m_flLastCaptureTime;
}
//-----------------------------------------------------------------------------
// Purpose: Starts the lifetime countdown on the ball
// Input : flDuration - number of seconds to live before exploding
//-----------------------------------------------------------------------------
void CPropCombineBall::StartLifetime( float flDuration )
{
SetContextThink( &CPropCombineBall::ExplodeThink, gpGlobals->curtime + flDuration, s_pExplodeTimerContext );
}
//-----------------------------------------------------------------------------
// Purpose: Stops the lifetime on the ball from expiring
//-----------------------------------------------------------------------------
void CPropCombineBall::ClearLifetime( void )
{
// Prevent it from exploding
SetContextThink( NULL, gpGlobals->curtime, s_pExplodeTimerContext );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : mass -
//-----------------------------------------------------------------------------
void CPropCombineBall::SetMass( float mass )
{
IPhysicsObject *pObj = VPhysicsGetObject();
if ( pObj != NULL )
{
pObj->SetMass( mass );
pObj->SetInertia( Vector( 500, 500, 500 ) );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CPropCombineBall::ShouldHitPlayer() const
{
if ( GetOwnerEntity() )
{
CAI_BaseNPC *pNPC = GetOwnerEntity()->MyNPCPointer();
if ( pNPC && !pNPC->IsPlayerAlly() )
{
return true;
}
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::InputKill( inputdata_t &inputdata )
{
// tell owner ( if any ) that we're dead.This is mostly for NPCMaker functionality.
CBaseEntity *pOwner = GetOwnerEntity();
if ( pOwner )
{
pOwner->DeathNotice( this );
SetOwnerEntity( NULL );
}
UTIL_Remove( this );
NotifySpawnerOfRemoval();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::InputSocketed( inputdata_t &inputdata )
{
// tell owner ( if any ) that we're dead.This is mostly for NPCMaker functionality.
CBaseEntity *pOwner = GetOwnerEntity();
if ( pOwner )
{
pOwner->DeathNotice( this );
SetOwnerEntity( NULL );
}
// if our owner is a player, tell them we were socketed
CHL2_Player *pPlayer = dynamic_cast<CHL2_Player *>( pOwner );
if ( pPlayer )
{
pPlayer->CombineBallSocketed( this );
}
UTIL_Remove( this );
NotifySpawnerOfRemoval();
}
//-----------------------------------------------------------------------------
// Cleanup.
//-----------------------------------------------------------------------------
void CPropCombineBall::UpdateOnRemove()
{
if ( m_pGlowTrail != NULL )
{
UTIL_Remove( m_pGlowTrail );
m_pGlowTrail = NULL;
}
//Sigh... this is the only place where I can get a message after the ball is done dissolving.
if ( hl2_episodic.GetBool() )
{
if ( IsDissolving() )
{
if ( GetSpawner() )
{
GetSpawner()->BallGrabbed( this );
NotifySpawnerOfRemoval();
}
}
}
BaseClass::UpdateOnRemove();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::ExplodeThink( void )
{
DoExplosion();
}
//-----------------------------------------------------------------------------
// Purpose: Tell the respawner to make a new one
//-----------------------------------------------------------------------------
void CPropCombineBall::NotifySpawnerOfRemoval( void )
{
if ( GetSpawner() )
{
GetSpawner()->RespawnBallPostExplosion();
}
}
//-----------------------------------------------------------------------------
// Fade out.
//-----------------------------------------------------------------------------
void CPropCombineBall::DieThink()
{
if ( GetSpawner() )
{
//Let the spawner know we died so it does it's thing
if( hl2_episodic.GetBool() && IsInField() )
{
GetSpawner()->BallGrabbed( this );
}
GetSpawner()->RespawnBall( 0.1 );
}
UTIL_Remove( this );
}
//-----------------------------------------------------------------------------
// Fade out.
//-----------------------------------------------------------------------------
void CPropCombineBall::FadeOut( float flDuration )
{
AddSolidFlags( FSOLID_NOT_SOLID );
// Start up the eye trail
if ( m_pGlowTrail != NULL )
{
m_pGlowTrail->SetBrightness( 0, flDuration );
}
SetThink( &CPropCombineBall::DieThink );
SetNextThink( gpGlobals->curtime + flDuration );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::StartWhizSoundThink( void )
{
SetContextThink( &CPropCombineBall::WhizSoundThink, gpGlobals->curtime + 2.0f * TICK_INTERVAL, s_pWhizThinkContext );
}
//-----------------------------------------------------------------------------
// Danger sounds.
//-----------------------------------------------------------------------------
void CPropCombineBall::WhizSoundThink()
{
Vector vecPosition, vecVelocity;
IPhysicsObject *pPhysicsObject = VPhysicsGetObject();
if ( pPhysicsObject == NULL )
{
//NOTENOTE: We should always have been created at this point
Assert( 0 );
SetContextThink( &CPropCombineBall::WhizSoundThink, gpGlobals->curtime + 2.0f * TICK_INTERVAL, s_pWhizThinkContext );
return;
}
pPhysicsObject->GetPosition( &vecPosition, NULL );
pPhysicsObject->GetVelocity( &vecVelocity, NULL );
if ( gpGlobals->maxClients == 1 )
{
CBasePlayer *pPlayer = UTIL_GetLocalPlayer();
if ( pPlayer )
{
Vector vecDelta;
VectorSubtract( pPlayer->GetAbsOrigin(), vecPosition, vecDelta );
VectorNormalize( vecDelta );
if ( DotProduct( vecDelta, vecVelocity ) > 0.5f )
{
Vector vecEndPoint;
VectorMA( vecPosition, 2.0f * TICK_INTERVAL, vecVelocity, vecEndPoint );
float flDist = CalcDistanceToLineSegment( pPlayer->GetAbsOrigin(), vecPosition, vecEndPoint );
if ( flDist < 200.0f )
{
CPASAttenuationFilter filter( vecPosition, ATTN_NORM );
EmitSound_t ep;
ep.m_nChannel = CHAN_STATIC;
if ( hl2_episodic.GetBool() )
{
ep.m_pSoundName = "NPC_CombineBall_Episodic.WhizFlyby";
}
else
{
ep.m_pSoundName = "NPC_CombineBall.WhizFlyby";
}
ep.m_flVolume = 1.0f;
ep.m_SoundLevel = SNDLVL_NORM;
EmitSound( filter, entindex(), ep );
SetContextThink( &CPropCombineBall::WhizSoundThink, gpGlobals->curtime + 0.5f, s_pWhizThinkContext );
return;
}
}
}
}
SetContextThink( &CPropCombineBall::WhizSoundThink, gpGlobals->curtime + 2.0f * TICK_INTERVAL, s_pWhizThinkContext );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::SetBallAsLaunched( void )
{
// Give the ball a duration
StartLifetime( PROP_COMBINE_BALL_LIFETIME );
m_bHeld = false;
m_bLaunched = true;
SetState( STATE_THROWN );
VPhysicsGetObject()->SetMass( 750.0f );
VPhysicsGetObject()->SetInertia( Vector( 1e30, 1e30, 1e30 ) );
StopLoopingSounds();
EmitSound( "NPC_CombineBall.Launch" );
WhizSoundThink();
}
//-----------------------------------------------------------------------------
// Lighten the mass so it's zippy toget to the gun
//-----------------------------------------------------------------------------
void CPropCombineBall::OnPhysGunPickup( CBasePlayer *pPhysGunUser, PhysGunPickup_t reason )
{
CDefaultPlayerPickupVPhysics::OnPhysGunPickup( pPhysGunUser, reason );
if ( m_nMaxBounces == -1 )
{
m_nMaxBounces = 0;
}
if ( !m_bFiredGrabbedOutput )
{
if ( GetSpawner() )
{
GetSpawner()->BallGrabbed( this );
}
m_bFiredGrabbedOutput = true;
}
if ( m_pGlowTrail )
{
m_pGlowTrail->TurnOff();
m_pGlowTrail->SetRenderColor( 0, 0, 0, 0 );
}
if ( reason != PUNTED_BY_CANNON )
{
SetState( STATE_HOLDING );
CPASAttenuationFilter filter( GetAbsOrigin(), ATTN_NORM );
filter.MakeReliable();
EmitSound_t ep;
ep.m_nChannel = CHAN_STATIC;
if( hl2_episodic.GetBool() )
{
ep.m_pSoundName = "NPC_CombineBall_Episodic.HoldingInPhysCannon";
}
else
{
ep.m_pSoundName = "NPC_CombineBall.HoldingInPhysCannon";
}
ep.m_flVolume = 1.0f;
ep.m_SoundLevel = SNDLVL_NORM;
// Now we own this ball
SetPlayerLaunched( pPhysGunUser );
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
m_pHoldingSound = controller.SoundCreate( filter, entindex(), ep );
controller.Play( m_pHoldingSound, 1.0f, 100 );
// Don't collide with anything we may have to pull the ball through
SetCollisionGroup( COLLISION_GROUP_DEBRIS );
VPhysicsGetObject()->SetMass( 20.0f );
VPhysicsGetObject()->SetInertia( Vector( 100, 100, 100 ) );
// Make it not explode
ClearLifetime( );
m_bHeld = true;
m_bLaunched = false;
//Let the ball know is not being captured by one of those ball fields anymore.
//
m_bCaptureInProgress = false;
SetContextThink( &CPropCombineBall::DissolveRampSoundThink, gpGlobals->curtime + GetBallHoldSoundRampTime(), s_pHoldDissolveContext );
StartAnimating();
}
else
{
Vector vecVelocity;
VPhysicsGetObject()->GetVelocity( &vecVelocity, NULL );
SetSpeed( vecVelocity.Length() );
// Set us as being launched by the player
SetPlayerLaunched( pPhysGunUser );
SetBallAsLaunched();
StopAnimating();
}
}
//-----------------------------------------------------------------------------
// Purpose: Reset the ball to be deadly to NPCs after we've picked it up
//-----------------------------------------------------------------------------
void CPropCombineBall::SetPlayerLaunched( CBasePlayer *pOwner )
{
// Now we own this ball
SetOwnerEntity( pOwner );
SetWeaponLaunched( false );
if( VPhysicsGetObject() )
{
PhysClearGameFlags( VPhysicsGetObject(), FVPHYSICS_NO_NPC_IMPACT_DMG );
PhysSetGameFlags( VPhysicsGetObject(), FVPHYSICS_DMG_DISSOLVE | FVPHYSICS_HEAVY_OBJECT );
}
}
//-----------------------------------------------------------------------------
// Activate death-spin!
//-----------------------------------------------------------------------------
void CPropCombineBall::OnPhysGunDrop( CBasePlayer *pPhysGunUser, PhysGunDrop_t Reason )
{
CDefaultPlayerPickupVPhysics::OnPhysGunDrop( pPhysGunUser, Reason );
SetState( STATE_THROWN );
WhizSoundThink();
m_bHeld = false;
m_bLaunched = true;
// Stop with the dissolving
SetContextThink( NULL, gpGlobals->curtime, s_pHoldDissolveContext );
// We're ready to start colliding again.
SetCollisionGroup( HL2COLLISION_GROUP_COMBINE_BALL );
if ( m_pGlowTrail )
{
m_pGlowTrail->TurnOn();
m_pGlowTrail->SetRenderColor( 255, 255, 255, 255 );
}
// Set our desired speed to be launched at
SetSpeed( 1500.0f );
SetPlayerLaunched( pPhysGunUser );
if ( Reason != LAUNCHED_BY_CANNON )
{
// Choose a random direction (forward facing)
Vector vecForward;
pPhysGunUser->GetVectors( &vecForward, NULL, NULL );
QAngle shotAng;
VectorAngles( vecForward, shotAng );
// Offset by some small cone
shotAng[PITCH] += random->RandomInt( -55, 55 );
shotAng[YAW] += random->RandomInt( -55, 55 );
AngleVectors( shotAng, &vecForward, NULL, NULL );
vecForward *= GetSpeed();
VPhysicsGetObject()->SetVelocity( &vecForward, &vec3_origin );
}
else
{
// This will have the consequence of making it so that the
// ball is launched directly down the crosshair even if the player is moving.
VPhysicsGetObject()->SetVelocity( &vec3_origin, &vec3_origin );
}
SetBallAsLaunched();
StopAnimating();
}
//------------------------------------------------------------------------------
// Stop looping sounds
//------------------------------------------------------------------------------
void CPropCombineBall::StopLoopingSounds()
{
if ( m_pHoldingSound )
{
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
controller.Shutdown( m_pHoldingSound );
controller.SoundDestroy( m_pHoldingSound );
m_pHoldingSound = NULL;
}
}
//------------------------------------------------------------------------------
// Pow!
//------------------------------------------------------------------------------
void CPropCombineBall::DissolveRampSoundThink( )
{
float dt = GetBallHoldDissolveTime() - GetBallHoldSoundRampTime();
if ( m_pHoldingSound )
{
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
controller.SoundChangePitch( m_pHoldingSound, 150, dt );
}
SetContextThink( &CPropCombineBall::DissolveThink, gpGlobals->curtime + dt, s_pHoldDissolveContext );
}
//------------------------------------------------------------------------------
// Pow!
//------------------------------------------------------------------------------
void CPropCombineBall::DissolveThink( )
{
DoExplosion();
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
float CPropCombineBall::GetBallHoldDissolveTime()
{
float flDissolveTime = PROP_COMBINE_BALL_HOLD_DISSOLVE_TIME;
if( g_pGameRules->IsSkillLevel( 1 ) && hl2_episodic.GetBool() )
{
// Give players more time to handle/aim combine balls on Easy.
flDissolveTime *= 1.5f;
}
return flDissolveTime;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
float CPropCombineBall::GetBallHoldSoundRampTime()
{
return GetBallHoldDissolveTime() - 1.0f;
}
//------------------------------------------------------------------------------
// Pow!
//------------------------------------------------------------------------------
void CPropCombineBall::DoExplosion( )
{
// don't do this twice
if ( GetMoveType() == MOVETYPE_NONE )
return;
if ( PhysIsInCallback() )
{
g_PostSimulationQueue.QueueCall( this, &CPropCombineBall::DoExplosion );
return;
}
// Tell the respawner to make a new one
if ( GetSpawner() )
{
GetSpawner()->RespawnBallPostExplosion();
}
//Shockring
CBroadcastRecipientFilter filter2;
if ( OutOfBounces() == false )
{
if ( hl2_episodic.GetBool() )
{
EmitSound( "NPC_CombineBall_Episodic.Explosion" );
}
else
{
EmitSound( "NPC_CombineBall.Explosion" );
}
UTIL_ScreenShake( GetAbsOrigin(), 20.0f, 150.0, 1.0, 1250.0f, SHAKE_START );
CEffectData data;
data.m_vOrigin = GetAbsOrigin();
DispatchEffect( "cball_explode", data );
te->BeamRingPoint( filter2, 0, GetAbsOrigin(), //origin
m_flRadius, //start radius
1024, //end radius
s_nExplosionTexture, //texture
0, //halo index
0, //start frame
2, //framerate
0.2f, //life
64, //width
0, //spread
0, //amplitude
255, //r
255, //g
225, //b
32, //a
0, //speed
FBEAM_FADEOUT
);
//Shockring
te->BeamRingPoint( filter2, 0, GetAbsOrigin(), //origin
m_flRadius, //start radius
1024, //end radius
s_nExplosionTexture, //texture
0, //halo index
0, //start frame
2, //framerate
0.5f, //life
64, //width
0, //spread
0, //amplitude
255, //r
255, //g
225, //b
64, //a
0, //speed
FBEAM_FADEOUT
);
}
else
{
//Shockring
te->BeamRingPoint( filter2, 0, GetAbsOrigin(), //origin
128, //start radius
384, //end radius
s_nExplosionTexture, //texture
0, //halo index
0, //start frame
2, //framerate
0.25f, //life
48, //width
0, //spread
0, //amplitude
255, //r
255, //g
225, //b
64, //a
0, //speed
FBEAM_FADEOUT
);
}
if( hl2_episodic.GetBool() )
{
CSoundEnt::InsertSound( SOUND_COMBAT | SOUND_CONTEXT_EXPLOSION, WorldSpaceCenter(), 180.0f, 0.25, this );
}
// Turn us off and wait because we need our trails to finish up properly
SetAbsVelocity( vec3_origin );
SetMoveType( MOVETYPE_NONE );
AddSolidFlags( FSOLID_NOT_SOLID );
m_bEmit = false;
if( !m_bStruckEntity && hl2_episodic.GetBool() && GetOwnerEntity() != NULL )
{
// Notify the player proxy that this combine ball missed so that it can fire an output.
CHL2_Player *pPlayer = dynamic_cast<CHL2_Player *>( GetOwnerEntity() );
if ( pPlayer )
{
pPlayer->MissedAR2AltFire();
}
}
SetContextThink( &CPropCombineBall::SUB_Remove, gpGlobals->curtime + 0.5f, s_pRemoveContext );
StopLoopingSounds();
}
//-----------------------------------------------------------------------------
// Enable/disable
//-----------------------------------------------------------------------------
void CPropCombineBall::InputExplode( inputdata_t &inputdata )
{
DoExplosion();
}
//-----------------------------------------------------------------------------
// Enable/disable
//-----------------------------------------------------------------------------
void CPropCombineBall::InputFadeAndRespawn( inputdata_t &inputdata )
{
FadeOut( 0.1f );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::CollisionEventToTrace( int index, gamevcollisionevent_t *pEvent, trace_t &tr )
{
UTIL_ClearTrace( tr );
pEvent->pInternalData->GetSurfaceNormal( tr.plane.normal );
pEvent->pInternalData->GetContactPoint( tr.endpos );
tr.plane.dist = DotProduct( tr.plane.normal, tr.endpos );
VectorMA( tr.endpos, -1.0f, pEvent->preVelocity[index], tr.startpos );
tr.m_pEnt = pEvent->pEntities[!index];
tr.fraction = 0.01f; // spoof!
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
bool CPropCombineBall::DissolveEntity( CBaseEntity *pEntity )
{
if( pEntity->IsEFlagSet( EFL_NO_DISSOLVE ) )
return false;
#ifdef HL2MP
if ( pEntity->IsPlayer() )
{
m_bStruckEntity = true;
return false;
}
#endif
if( !pEntity->IsNPC() && !(dynamic_cast<CRagdollProp*>(pEntity)) )
return false;
pEntity->GetBaseAnimating()->Dissolve( "", gpGlobals->curtime, false, ENTITY_DISSOLVE_NORMAL );
// Note that we've struck an entity
m_bStruckEntity = true;
// Force an NPC to not drop their weapon if dissolved
// CBaseCombatCharacter *pBCC = ToBaseCombatCharacter( pEntity );
// if ( pBCC != NULL )
// {
// pEntity->AddSpawnFlags( SF_NPC_NO_WEAPON_DROP );
// }
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::OnHitEntity( CBaseEntity *pHitEntity, float flSpeed, int index, gamevcollisionevent_t *pEvent )
{
// Detonate on the strider + the bone followers in the strider
if ( FClassnameIs( pHitEntity, "npc_strider" ) ||
(pHitEntity->GetOwnerEntity() && FClassnameIs( pHitEntity->GetOwnerEntity(), "npc_strider" )) )
{
DoExplosion();
return;
}
CTakeDamageInfo info( this, GetOwnerEntity(), GetAbsVelocity(), GetAbsOrigin(), sk_npc_dmg_combineball.GetFloat(), DMG_DISSOLVE );
bool bIsDissolving = (pHitEntity->GetFlags() & FL_DISSOLVING) != 0;
bool bShouldHit = pHitEntity->PassesDamageFilter( info );
//One more check
//Combine soldiers are not allowed to hurt their friends with combine balls (they can still shoot and hurt each other with grenades).
CBaseCombatCharacter *pBCC = pHitEntity->MyCombatCharacterPointer();
if ( pBCC )
{
bShouldHit = pBCC->IRelationType( GetOwnerEntity() ) != D_LI;
}
if ( !bIsDissolving && bShouldHit == true )
{
if ( pHitEntity->PassesDamageFilter( info ) )
{
if( WasFiredByNPC() || m_nMaxBounces == -1 )
{
// Since Combine balls fired by NPCs do a metered dose of damage per impact, we have to ignore touches
// for a little while after we hit someone, or the ball will immediately touch them again and do more
// damage.
if( gpGlobals->curtime >= m_flNextDamageTime )
{
EmitSound( "NPC_CombineBall.KillImpact" );
if ( pHitEntity->IsNPC() && pHitEntity->Classify() != CLASS_PLAYER_ALLY_VITAL && hl2_episodic.GetBool() == true )
{
if ( pHitEntity->Classify() != CLASS_PLAYER_ALLY || ( pHitEntity->Classify() == CLASS_PLAYER_ALLY && m_bStruckEntity == false ) )
{
info.SetDamage( pHitEntity->GetMaxHealth() );
m_bStruckEntity = true;
}
}
else
{
// Ignore touches briefly.
m_flNextDamageTime = gpGlobals->curtime + 0.1f;
}
pHitEntity->TakeDamage( info );
}
}
else
{
if ( (m_nState == STATE_THROWN) && (pHitEntity->IsNPC() || dynamic_cast<CRagdollProp*>(pHitEntity) ))
{
EmitSound( "NPC_CombineBall.KillImpact" );
}
if ( (m_nState != STATE_HOLDING) )
{
CBasePlayer *pPlayer = ToBasePlayer( GetOwnerEntity() );
if ( pPlayer && UTIL_IsAR2CombineBall( this ) && ToBaseCombatCharacter( pHitEntity ) )
{
gamestats->Event_WeaponHit( pPlayer, false, "weapon_ar2", info );
}
DissolveEntity( pHitEntity );
if ( pHitEntity->ClassMatches( "npc_hunter" ) )
{
DoExplosion();
return;
}
}
}
}
}
Vector vecFinalVelocity;
if ( IsInField() )
{
// Don't deflect when in a spawner field
vecFinalVelocity = pEvent->preVelocity[index];
}
else
{
// Don't slow down when hitting other entities.
vecFinalVelocity = pEvent->postVelocity[index];
VectorNormalize( vecFinalVelocity );
vecFinalVelocity *= GetSpeed();
}
PhysCallbackSetVelocity( pEvent->pObjects[index], vecFinalVelocity );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::DoImpactEffect( const Vector &preVelocity, int index, gamevcollisionevent_t *pEvent )
{
// Do that crazy impact effect!
trace_t tr;
CollisionEventToTrace( !index, pEvent, tr );
CBaseEntity *pTraceEntity = pEvent->pEntities[index];
UTIL_TraceLine( tr.startpos - preVelocity * 2.0f, tr.startpos + preVelocity * 2.0f, MASK_SOLID, pTraceEntity, COLLISION_GROUP_NONE, &tr );
if ( tr.fraction < 1.0f )
{
// See if we hit the sky
if ( tr.surface.flags & SURF_SKY )
{
DoExplosion();
return;
}
// Send the effect over
CEffectData data;
data.m_flRadius = 16;
data.m_vNormal = tr.plane.normal;
data.m_vOrigin = tr.endpos + tr.plane.normal * 1.0f;
DispatchEffect( "cball_bounce", data );
}
if ( hl2_episodic.GetBool() )
{
EmitSound( "NPC_CombineBall_Episodic.Impact" );
}
else
{
EmitSound( "NPC_CombineBall.Impact" );
}
}
//-----------------------------------------------------------------------------
// Tells whether this combine ball should consider deflecting towards this entity.
//-----------------------------------------------------------------------------
bool CPropCombineBall::IsAttractiveTarget( CBaseEntity *pEntity )
{
if ( !pEntity->IsAlive() )
return false;
if ( pEntity->GetFlags() & EF_NODRAW )
return false;
// Don't guide toward striders
if ( FClassnameIs( pEntity, "npc_strider" ) )
return false;
if( WasFiredByNPC() )
{
// Fired by an NPC
if( !pEntity->IsNPC() && !pEntity->IsPlayer() )
return false;
// Don't seek entities of the same class.
if ( pEntity->m_iClassname == GetOwnerEntity()->m_iClassname )
return false;
}
else
{
#ifndef HL2MP
if ( GetOwnerEntity() )
{
// Things we check if this ball has an owner that's not an NPC.
if( GetOwnerEntity()->IsPlayer() )
{
if( pEntity->Classify() == CLASS_PLAYER ||
pEntity->Classify() == CLASS_PLAYER_ALLY ||
pEntity->Classify() == CLASS_PLAYER_ALLY_VITAL )
{
// Not attracted to other players or allies.
return false;
}
}
}
// The default case.
if ( !pEntity->IsNPC() )
return false;
if( pEntity->Classify() == CLASS_BULLSEYE )
return false;
#else
if ( pEntity->IsPlayer() == false )
return false;
if ( pEntity == GetOwnerEntity() )
return false;
//No tracking teammates in teammode!
if ( g_pGameRules->IsTeamplay() )
{
if ( g_pGameRules->PlayerRelationship( GetOwnerEntity(), pEntity ) == GR_TEAMMATE )
return false;
}
#endif
// We must be able to hit them
trace_t tr;
UTIL_TraceLine( WorldSpaceCenter(), pEntity->BodyTarget( WorldSpaceCenter() ), MASK_SOLID, this, COLLISION_GROUP_NONE, &tr );
if ( tr.fraction < 1.0f && tr.m_pEnt != pEntity )
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Deflects the ball toward enemies in case of a collision
//-----------------------------------------------------------------------------
void CPropCombineBall::DeflectTowardEnemy( float flSpeed, int index, gamevcollisionevent_t *pEvent )
{
// Bounce toward a particular enemy; choose one that's closest to my new velocity.
Vector vecVelDir = pEvent->postVelocity[index];
VectorNormalize( vecVelDir );
CBaseEntity *pBestTarget = NULL;
Vector vecStartPoint;
pEvent->pInternalData->GetContactPoint( vecStartPoint );
float flBestDist = MAX_COORD_FLOAT;
CBaseEntity *list[1024];
Vector vecDelta;
float distance, flDot;
// If we've already hit something, get accurate
bool bSeekKill = m_bStruckEntity && (WasWeaponLaunched() || sk_combineball_seek_kill.GetInt() );
if ( bSeekKill )
{
int nCount = UTIL_EntitiesInSphere( list, 1024, GetAbsOrigin(), sk_combine_ball_search_radius.GetFloat(), FL_NPC | FL_CLIENT );
for ( int i = 0; i < nCount; i++ )
{
if ( !IsAttractiveTarget( list[i] ) )
continue;
VectorSubtract( list[i]->WorldSpaceCenter(), vecStartPoint, vecDelta );
distance = VectorNormalize( vecDelta );
if ( distance < flBestDist )
{
// Check our direction
if ( DotProduct( vecDelta, vecVelDir ) > 0.0f )
{
pBestTarget = list[i];
flBestDist = distance;
}
}
}
}
else
{
float flMaxDot = 0.966f;
if ( !WasWeaponLaunched() )
{
float flMaxDot = sk_combineball_seek_angle.GetFloat();
float flGuideFactor = sk_combineball_guidefactor.GetFloat();
for ( int i = m_nBounceCount; --i >= 0; )
{
flMaxDot *= flGuideFactor;
}
flMaxDot = cos( flMaxDot * M_PI / 180.0f );
if ( flMaxDot > 1.0f )
{
flMaxDot = 1.0f;
}
}
// Otherwise only help out a little
Vector extents = Vector(256, 256, 256);
Ray_t ray;
ray.Init( vecStartPoint, vecStartPoint + 2048 * vecVelDir, -extents, extents );
int nCount = UTIL_EntitiesAlongRay( list, 1024, ray, FL_NPC | FL_CLIENT );
for ( int i = 0; i < nCount; i++ )
{
if ( !IsAttractiveTarget( list[i] ) )
continue;
VectorSubtract( list[i]->WorldSpaceCenter(), vecStartPoint, vecDelta );
distance = VectorNormalize( vecDelta );
flDot = DotProduct( vecDelta, vecVelDir );
if ( flDot > flMaxDot )
{
if ( distance < flBestDist )
{
pBestTarget = list[i];
flBestDist = distance;
}
}
}
}
if ( pBestTarget )
{
Vector vecDelta;
VectorSubtract( pBestTarget->WorldSpaceCenter(), vecStartPoint, vecDelta );
VectorNormalize( vecDelta );
vecDelta *= GetSpeed();
PhysCallbackSetVelocity( pEvent->pObjects[index], vecDelta );
}
}
//-----------------------------------------------------------------------------
// Bounce inside the spawner:
//-----------------------------------------------------------------------------
void CPropCombineBall::BounceInSpawner( float flSpeed, int index, gamevcollisionevent_t *pEvent )
{
GetSpawner()->RegisterReflection( this, m_bForward );
m_bForward = !m_bForward;
Vector vecTarget;
GetSpawner()->GetTargetEndpoint( m_bForward, &vecTarget );
Vector vecVelocity;
VectorSubtract( vecTarget, GetAbsOrigin(), vecVelocity );
VectorNormalize( vecVelocity );
vecVelocity *= flSpeed;
PhysCallbackSetVelocity( pEvent->pObjects[index], vecVelocity );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CPropCombineBall::IsHittableEntity( CBaseEntity *pHitEntity )
{
if ( pHitEntity->IsWorld() )
return false;
if ( pHitEntity->GetMoveType() == MOVETYPE_PUSH )
{
if( pHitEntity->GetOwnerEntity() && FClassnameIs(pHitEntity->GetOwnerEntity(), "npc_strider") )
{
// The Strider's Bone Followers are MOVETYPE_PUSH, and we want the combine ball to hit these.
return true;
}
// If the entity we hit can take damage, we're good
if ( pHitEntity->m_takedamage == DAMAGE_YES )
return true;
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::VPhysicsCollision( int index, gamevcollisionevent_t *pEvent )
{
Vector preVelocity = pEvent->preVelocity[index];
float flSpeed = VectorNormalize( preVelocity );
if ( m_nMaxBounces == -1 )
{
const surfacedata_t *pHit = physprops->GetSurfaceData( pEvent->surfaceProps[!index] );
if( pHit->game.material != CHAR_TEX_FLESH || !hl2_episodic.GetBool() )
{
CBaseEntity *pHitEntity = pEvent->pEntities[!index];
if ( pHitEntity && IsHittableEntity( pHitEntity ) )
{
OnHitEntity( pHitEntity, flSpeed, index, pEvent );
}
// Remove self without affecting the object that was hit. (Unless it was flesh)
NotifySpawnerOfRemoval();
PhysCallbackRemove( this->NetworkProp() );
// disable dissolve damage so we don't kill off the player when he's the one we hit
PhysClearGameFlags( VPhysicsGetObject(), FVPHYSICS_DMG_DISSOLVE );
return;
}
}
// Prevents impact sounds, effects, etc. when it's in the field
if ( !IsInField() )
{
BaseClass::VPhysicsCollision( index, pEvent );
}
if ( m_nState == STATE_HOLDING )
return;
// If we've collided going faster than our desired, then up our desired
if ( flSpeed > GetSpeed() )
{
SetSpeed( flSpeed );
}
// Make sure we don't slow down
Vector vecFinalVelocity = pEvent->postVelocity[index];
VectorNormalize( vecFinalVelocity );
vecFinalVelocity *= GetSpeed();
PhysCallbackSetVelocity( pEvent->pObjects[index], vecFinalVelocity );
CBaseEntity *pHitEntity = pEvent->pEntities[!index];
if ( pHitEntity && IsHittableEntity( pHitEntity ) )
{
OnHitEntity( pHitEntity, flSpeed, index, pEvent );
return;
}
if ( IsInField() )
{
if ( HasSpawnFlags( SF_COMBINE_BALL_BOUNCING_IN_SPAWNER ) && GetSpawner() )
{
BounceInSpawner( GetSpeed(), index, pEvent );
return;
}
PhysCallbackSetVelocity( pEvent->pObjects[index], vec3_origin );
// Delay the fade out so that we don't change our
// collision rules inside a vphysics callback.
variant_t emptyVariant;
g_EventQueue.AddEvent( this, "FadeAndRespawn", 0.01, NULL, NULL );
return;
}
if ( IsBeingCaptured() )
return;
// Do that crazy impact effect!
DoImpactEffect( preVelocity, index, pEvent );
// Only do the bounce so often
if ( gpGlobals->curtime - m_flLastBounceTime < 0.25f )
return;
// Save off our last bounce time
m_flLastBounceTime = gpGlobals->curtime;
// Reset the sound timer
SetContextThink( &CPropCombineBall::WhizSoundThink, gpGlobals->curtime + 0.01, s_pWhizThinkContext );
// Deflect towards nearby enemies
DeflectTowardEnemy( flSpeed, index, pEvent );
// Once more bounce
++m_nBounceCount;
if ( OutOfBounces() && m_bBounceDie == false )
{
StartLifetime( 0.5 );
//Hack: Stop this from being called by doing this.
m_bBounceDie = true;
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPropCombineBall::AnimThink( void )
{
StudioFrameAdvance();
SetContextThink( &CPropCombineBall::AnimThink, gpGlobals->curtime + 0.1f, s_pAnimThinkContext );
}
//-----------------------------------------------------------------------------
//
// Implementation of CPropCombineBall
//
//-----------------------------------------------------------------------------
LINK_ENTITY_TO_CLASS( func_combine_ball_spawner, CFuncCombineBallSpawner );
//-----------------------------------------------------------------------------
// Save/load:
//-----------------------------------------------------------------------------
BEGIN_DATADESC( CFuncCombineBallSpawner )
DEFINE_KEYFIELD( m_nBallCount, FIELD_INTEGER, "ballcount" ),
DEFINE_KEYFIELD( m_flMinSpeed, FIELD_FLOAT, "minspeed" ),
DEFINE_KEYFIELD( m_flMaxSpeed, FIELD_FLOAT, "maxspeed" ),
DEFINE_KEYFIELD( m_flBallRadius, FIELD_FLOAT, "ballradius" ),
DEFINE_KEYFIELD( m_flBallRespawnTime, FIELD_FLOAT, "ballrespawntime" ),
DEFINE_FIELD( m_flRadius, FIELD_FLOAT ),
DEFINE_FIELD( m_nBallsRemainingInField, FIELD_INTEGER ),
DEFINE_FIELD( m_bEnabled, FIELD_BOOLEAN ),
DEFINE_UTLVECTOR( m_BallRespawnTime, FIELD_TIME ),
DEFINE_FIELD( m_flDisableTime, FIELD_TIME ),
DEFINE_INPUTFUNC( FIELD_VOID, "Enable", InputEnable ),
DEFINE_INPUTFUNC( FIELD_VOID, "Disable", InputDisable ),
DEFINE_OUTPUT( m_OnBallGrabbed, "OnBallGrabbed" ),
DEFINE_OUTPUT( m_OnBallReinserted, "OnBallReinserted" ),
DEFINE_OUTPUT( m_OnBallHitTopSide, "OnBallHitTopSide" ),
DEFINE_OUTPUT( m_OnBallHitBottomSide, "OnBallHitBottomSide" ),
DEFINE_OUTPUT( m_OnLastBallGrabbed, "OnLastBallGrabbed" ),
DEFINE_OUTPUT( m_OnFirstBallReinserted, "OnFirstBallReinserted" ),
DEFINE_THINKFUNC( BallThink ),
DEFINE_ENTITYFUNC( GrabBallTouch ),
END_DATADESC()
//-----------------------------------------------------------------------------
// Purpose: Constructor
//-----------------------------------------------------------------------------
CFuncCombineBallSpawner::CFuncCombineBallSpawner()
{
m_flBallRespawnTime = 0.0f;
m_flBallRadius = 20.0f;
m_flDisableTime = 0.0f;
m_bShooter = false;
}
//-----------------------------------------------------------------------------
// Spawn a ball
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::SpawnBall()
{
CPropCombineBall *pBall = static_cast<CPropCombineBall*>( CreateEntityByName( "prop_combine_ball" ) );
float flRadius = m_flBallRadius;
pBall->SetRadius( flRadius );
Vector vecAbsOrigin;
ChoosePointInBox( &vecAbsOrigin );
Vector zaxis;
MatrixGetColumn( EntityToWorldTransform(), 2, zaxis );
VectorMA( vecAbsOrigin, flRadius, zaxis, vecAbsOrigin );
pBall->SetAbsOrigin( vecAbsOrigin );
pBall->SetSpawner( this );
float flSpeed = random->RandomFloat( m_flMinSpeed, m_flMaxSpeed );
zaxis *= flSpeed;
pBall->SetAbsVelocity( zaxis );
if ( HasSpawnFlags( SF_SPAWNER_POWER_SUPPLY ) )
{
pBall->AddSpawnFlags( SF_COMBINE_BALL_BOUNCING_IN_SPAWNER );
}
pBall->Spawn();
}
void CFuncCombineBallSpawner::Precache()
{
BaseClass::Precache();
UTIL_PrecacheOther( "prop_combine_ball" );
}
//-----------------------------------------------------------------------------
// Spawn
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::Spawn()
{
BaseClass::Spawn();
Precache();
AddEffects( EF_NODRAW );
SetModel( STRING( GetModelName() ) );
SetSolid( SOLID_BSP );
AddSolidFlags( FSOLID_NOT_SOLID );
m_nBallsRemainingInField = m_nBallCount;
float flWidth = CollisionProp()->OBBSize().x;
float flHeight = CollisionProp()->OBBSize().y;
m_flRadius = MIN( flWidth, flHeight ) * 0.5f;
if ( m_flRadius <= 0.0f && m_bShooter == false )
{
Warning("Zero dimension func_combine_ball_spawner! Removing...\n");
UTIL_Remove( this );
return;
}
// Compute a respawn time
float flDeltaT = 1.0f;
if ( !( m_flMinSpeed == 0 && m_flMaxSpeed == 0 ) )
{
flDeltaT = (CollisionProp()->OBBSize().z - 2 * m_flBallRadius) / ((m_flMinSpeed + m_flMaxSpeed) * 0.5f);
flDeltaT /= m_nBallCount;
}
m_BallRespawnTime.EnsureCapacity( m_nBallCount );
for ( int i = 0; i < m_nBallCount; ++i )
{
RespawnBall( (float)i * flDeltaT );
}
m_bEnabled = true;
if ( HasSpawnFlags( SF_SPAWNER_START_DISABLED ) )
{
inputdata_t inputData;
InputDisable( inputData );
}
else
{
SetThink( &CFuncCombineBallSpawner::BallThink );
SetNextThink( gpGlobals->curtime + 0.1f );
}
}
//-----------------------------------------------------------------------------
// Enable/disable
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::InputEnable( inputdata_t &inputdata )
{
if ( m_bEnabled )
return;
m_bEnabled = true;
m_flDisableTime = 0.0f;
for ( int i = m_BallRespawnTime.Count(); --i >= 0; )
{
m_BallRespawnTime[i] += gpGlobals->curtime;
}
SetThink( &CFuncCombineBallSpawner::BallThink );
SetNextThink( gpGlobals->curtime + 0.1f );
}
void CFuncCombineBallSpawner::InputDisable( inputdata_t &inputdata )
{
if ( !m_bEnabled )
return;
m_flDisableTime = gpGlobals->curtime;
m_bEnabled = false;
for ( int i = m_BallRespawnTime.Count(); --i >= 0; )
{
m_BallRespawnTime[i] -= gpGlobals->curtime;
}
SetThink( NULL );
}
//-----------------------------------------------------------------------------
// Choose a random point inside the cylinder
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::ChoosePointInBox( Vector *pVecPoint )
{
float flXBoundary = ( CollisionProp()->OBBSize().x != 0 ) ? m_flBallRadius / CollisionProp()->OBBSize().x : 0.0f;
float flYBoundary = ( CollisionProp()->OBBSize().y != 0 ) ? m_flBallRadius / CollisionProp()->OBBSize().y : 0.0f;
if ( flXBoundary > 0.5f )
{
flXBoundary = 0.5f;
}
if ( flYBoundary > 0.5f )
{
flYBoundary = 0.5f;
}
CollisionProp()->RandomPointInBounds(
Vector( flXBoundary, flYBoundary, 0.0f ), Vector( 1.0f - flXBoundary, 1.0f - flYBoundary, 0.0f ), pVecPoint );
}
//-----------------------------------------------------------------------------
// Choose a random point inside the cylinder
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::ChoosePointInCylinder( Vector *pVecPoint )
{
float flXRange = m_flRadius / CollisionProp()->OBBSize().x;
float flYRange = m_flRadius / CollisionProp()->OBBSize().y;
Vector vecEndPoint1, vecEndPoint2;
CollisionProp()->NormalizedToWorldSpace( Vector( 0.5f, 0.5f, 0.0f ), &vecEndPoint1 );
CollisionProp()->NormalizedToWorldSpace( Vector( 0.5f, 0.5f, 1.0f ), &vecEndPoint2 );
// Choose a point inside the cylinder
float flDistSq;
do
{
CollisionProp()->RandomPointInBounds(
Vector( 0.5f - flXRange, 0.5f - flYRange, 0.0f ),
Vector( 0.5f + flXRange, 0.5f + flYRange, 0.0f ),
pVecPoint );
flDistSq = CalcDistanceSqrToLine( *pVecPoint, vecEndPoint1, vecEndPoint2 );
} while ( flDistSq > m_flRadius * m_flRadius );
}
//-----------------------------------------------------------------------------
// Register that a reflection occurred
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::RegisterReflection( CPropCombineBall *pBall, bool bForward )
{
if ( bForward )
{
m_OnBallHitTopSide.FireOutput( pBall, this );
}
else
{
m_OnBallHitBottomSide.FireOutput( pBall, this );
}
}
//-----------------------------------------------------------------------------
// Choose a random point on the
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::GetTargetEndpoint( bool bForward, Vector *pVecEndPoint )
{
float flZValue = bForward ? 1.0f : 0.0f;
CollisionProp()->RandomPointInBounds(
Vector( 0.0f, 0.0f, flZValue ), Vector( 1.0f, 1.0f, flZValue ), pVecEndPoint );
}
//-----------------------------------------------------------------------------
// Fire ball grabbed output
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::BallGrabbed( CBaseEntity *pCombineBall )
{
m_OnBallGrabbed.FireOutput( pCombineBall, this );
--m_nBallsRemainingInField;
if ( m_nBallsRemainingInField == 0 )
{
m_OnLastBallGrabbed.FireOutput( pCombineBall, this );
}
// Wait for another ball to touch this to re-power it up.
if ( HasSpawnFlags( SF_SPAWNER_POWER_SUPPLY ) )
{
AddSolidFlags( FSOLID_TRIGGER );
SetTouch( &CFuncCombineBallSpawner::GrabBallTouch );
}
// Stop the ball thinking in case it was in the middle of being captured (which could re-add incorrectly)
if ( pCombineBall != NULL )
{
pCombineBall->SetContextThink( NULL, gpGlobals->curtime, s_pCaptureContext );
}
}
//-----------------------------------------------------------------------------
// Fire ball grabbed output
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::GrabBallTouch( CBaseEntity *pOther )
{
// Safety net for two balls hitting this at once
if ( m_nBallsRemainingInField >= m_nBallCount )
return;
if ( pOther->GetCollisionGroup() != HL2COLLISION_GROUP_COMBINE_BALL )
return;
CPropCombineBall *pBall = dynamic_cast<CPropCombineBall*>( pOther );
Assert( pBall );
// Don't grab AR2 alt-fire
if ( pBall->WasWeaponLaunched() || !pBall->VPhysicsGetObject() )
return;
// Don't grab balls that are already in the field..
if ( pBall->IsInField() )
return;
// Don't grab fading out balls...
if ( !pBall->IsSolid() )
return;
// Don't capture balls that were very recently in the field (breaks punting)
if ( gpGlobals->curtime - pBall->LastCaptureTime() < 0.5f )
return;
// Now we're bouncing in this spawner
pBall->AddSpawnFlags( SF_COMBINE_BALL_BOUNCING_IN_SPAWNER );
// Tell the respawner we're no longer its ball
pBall->NotifySpawnerOfRemoval();
pBall->SetOwnerEntity( NULL );
pBall->SetSpawner( this );
pBall->CaptureBySpawner();
++m_nBallsRemainingInField;
if ( m_nBallsRemainingInField >= m_nBallCount )
{
RemoveSolidFlags( FSOLID_TRIGGER );
SetTouch( NULL );
}
m_OnBallReinserted.FireOutput( pBall, this );
if ( m_nBallsRemainingInField == 1 )
{
m_OnFirstBallReinserted.FireOutput( pBall, this );
}
}
//-----------------------------------------------------------------------------
// Get a speed for the ball to insert
//-----------------------------------------------------------------------------
float CFuncCombineBallSpawner::GetBallSpeed( ) const
{
return random->RandomFloat( m_flMinSpeed, m_flMaxSpeed );
}
//-----------------------------------------------------------------------------
// Balls call this when they've been removed from the spawner
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::RespawnBall( float flRespawnTime )
{
// Insert the time in sorted order,
// which by definition means to always insert at the start
m_BallRespawnTime.AddToTail( gpGlobals->curtime + flRespawnTime - m_flDisableTime );
}
//-----------------------------------------------------------------------------
//
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::RespawnBallPostExplosion( void )
{
if ( m_flBallRespawnTime < 0 )
return;
if ( m_flBallRespawnTime == 0.0f )
{
m_BallRespawnTime.AddToTail( gpGlobals->curtime + 4.0f - m_flDisableTime );
}
else
{
m_BallRespawnTime.AddToTail( gpGlobals->curtime + m_flBallRespawnTime - m_flDisableTime );
}
}
//-----------------------------------------------------------------------------
// Ball think
//-----------------------------------------------------------------------------
void CFuncCombineBallSpawner::BallThink()
{
for ( int i = m_BallRespawnTime.Count(); --i >= 0; )
{
if ( m_BallRespawnTime[i] < gpGlobals->curtime )
{
SpawnBall();
m_BallRespawnTime.FastRemove( i );
}
}
// There are no more to respawn
SetNextThink( gpGlobals->curtime + 0.1f );
}
BEGIN_DATADESC( CPointCombineBallLauncher )
DEFINE_KEYFIELD( m_flConeDegrees, FIELD_FLOAT, "launchconenoise" ),
DEFINE_KEYFIELD( m_iszBullseyeName, FIELD_STRING, "bullseyename" ),
DEFINE_KEYFIELD( m_iBounces, FIELD_INTEGER, "maxballbounces" ),
DEFINE_INPUTFUNC( FIELD_VOID, "LaunchBall", InputLaunchBall ),
END_DATADESC()
#define SF_COMBINE_BALL_LAUNCHER_ATTACH_BULLSEYE 0x00000001
#define SF_COMBINE_BALL_LAUNCHER_COLLIDE_PLAYER 0x00000002
LINK_ENTITY_TO_CLASS( point_combine_ball_launcher, CPointCombineBallLauncher );
CPointCombineBallLauncher::CPointCombineBallLauncher()
{
m_bShooter = true;
m_flConeDegrees = 0.0f;
m_iBounces = 0;
}
void CPointCombineBallLauncher::Spawn( void )
{
m_bShooter = true;
BaseClass::Spawn();
}
void CPointCombineBallLauncher::InputLaunchBall ( inputdata_t &inputdata )
{
SpawnBall();
}
//-----------------------------------------------------------------------------
// Spawn a ball
//-----------------------------------------------------------------------------
void CPointCombineBallLauncher::SpawnBall()
{
CPropCombineBall *pBall = static_cast<CPropCombineBall*>( CreateEntityByName( "prop_combine_ball" ) );
if ( pBall == NULL )
return;
float flRadius = m_flBallRadius;
pBall->SetRadius( flRadius );
Vector vecAbsOrigin = GetAbsOrigin();
Vector zaxis;
pBall->SetAbsOrigin( vecAbsOrigin );
pBall->SetSpawner( this );
float flSpeed = random->RandomFloat( m_flMinSpeed, m_flMaxSpeed );
Vector vDirection;
QAngle qAngle = GetAbsAngles();
qAngle = qAngle + QAngle ( random->RandomFloat( -m_flConeDegrees, m_flConeDegrees ), random->RandomFloat( -m_flConeDegrees, m_flConeDegrees ), 0 );
AngleVectors( qAngle, &vDirection, NULL, NULL );
vDirection *= flSpeed;
pBall->SetAbsVelocity( vDirection );
DispatchSpawn(pBall);
pBall->Activate();
pBall->SetState( CPropCombineBall::STATE_LAUNCHED );
pBall->SetMaxBounces( m_iBounces );
if ( HasSpawnFlags( SF_COMBINE_BALL_LAUNCHER_COLLIDE_PLAYER ) )
{
pBall->SetCollisionGroup( HL2COLLISION_GROUP_COMBINE_BALL_NPC );
}
if( GetSpawnFlags() & SF_COMBINE_BALL_LAUNCHER_ATTACH_BULLSEYE )
{
CNPC_Bullseye *pBullseye = static_cast<CNPC_Bullseye*>( CreateEntityByName( "npc_bullseye" ) );
if( pBullseye )
{
pBullseye->SetAbsOrigin( pBall->GetAbsOrigin() );
pBullseye->SetAbsAngles( QAngle( 0, 0, 0 ) );
pBullseye->KeyValue( "solid", "6" );
pBullseye->KeyValue( "targetname", STRING(m_iszBullseyeName) );
pBullseye->Spawn();
DispatchSpawn(pBullseye);
pBullseye->Activate();
pBullseye->SetParent(pBall);
pBullseye->SetHealth(10);
}
}
}
// ###################################################################
// > FilterClass
// ###################################################################
class CFilterCombineBall : public CBaseFilter
{
DECLARE_CLASS( CFilterCombineBall, CBaseFilter );
DECLARE_DATADESC();
public:
int m_iBallType;
bool PassesFilterImpl( CBaseEntity *pCaller, CBaseEntity *pEntity )
{
CPropCombineBall *pBall = dynamic_cast<CPropCombineBall*>(pEntity );
if ( pBall )
{
//Playtest HACK: If we have an NPC owner then we were shot from an AR2.
if ( pBall->GetOwnerEntity() && pBall->GetOwnerEntity()->IsNPC() )
return false;
return pBall->GetState() == m_iBallType;
}
return false;
}
};
LINK_ENTITY_TO_CLASS( filter_combineball_type, CFilterCombineBall );
BEGIN_DATADESC( CFilterCombineBall )
// Keyfields
DEFINE_KEYFIELD( m_iBallType, FIELD_INTEGER, "balltype" ),
END_DATADESC()