d4708
/
source-engine
mirror of https://github.com/nillerusr/source-engine.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
230 Commits
25 Branches
6 Tags
221 MiB
Tree: 0aa1fe0b8d
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '0aa1fe0b8d'
${ noResults }
source-engine/game/server/trains.cpp

3379 lines
84 KiB
Raw Normal View History Unescape

1
5 years ago
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Spawn, think, and touch functions for trains, etc.
//
//=============================================================================//
#include "cbase.h"
#include "ai_basenpc.h"
#include "trains.h"
#include "ndebugoverlay.h"
#include "entitylist.h"
#include "engine/IEngineSound.h"
#include "soundenvelope.h"
#include "physics_npc_solver.h"
#include "vphysics/friction.h"
#include "hierarchy.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
static void PlatSpawnInsideTrigger(edict_t *pevPlatform);
#define SF_PLAT_TOGGLE 0x0001
class CBasePlatTrain : public CBaseToggle
{
DECLARE_CLASS( CBasePlatTrain, CBaseToggle );
public:
~CBasePlatTrain();
bool KeyValue( const char *szKeyName, const char *szValue );
void Precache( void );
// This is done to fix spawn flag collisions between this class and a derived class
virtual bool IsTogglePlat( void ) { return (m_spawnflags & SF_PLAT_TOGGLE) ? true : false; }
DECLARE_DATADESC();
void PlayMovingSound();
void StopMovingSound();
string_t m_NoiseMoving; // sound a plat makes while moving
string_t m_NoiseArrived;
CSoundPatch *m_pMovementSound;
#ifdef HL1_DLL
int m_MoveSound;
int m_StopSound;
#endif
float m_volume; // Sound volume
float m_flTWidth;
float m_flTLength;
};
BEGIN_DATADESC( CBasePlatTrain )
DEFINE_KEYFIELD( m_NoiseMoving, FIELD_SOUNDNAME, "noise1" ),
DEFINE_KEYFIELD( m_NoiseArrived, FIELD_SOUNDNAME, "noise2" ),
#ifdef HL1_DLL
DEFINE_KEYFIELD( m_MoveSound, FIELD_INTEGER, "movesnd" ),
DEFINE_KEYFIELD( m_StopSound, FIELD_INTEGER, "stopsnd" ),
#endif
DEFINE_SOUNDPATCH( m_pMovementSound ),
DEFINE_KEYFIELD( m_volume, FIELD_FLOAT, "volume" ),
DEFINE_FIELD( m_flTWidth, FIELD_FLOAT ),
DEFINE_FIELD( m_flTLength, FIELD_FLOAT ),
DEFINE_KEYFIELD( m_flLip, FIELD_FLOAT, "lip" ),
DEFINE_KEYFIELD( m_flWait, FIELD_FLOAT, "wait" ),
DEFINE_KEYFIELD( m_flHeight, FIELD_FLOAT, "height" ),
END_DATADESC()
bool CBasePlatTrain::KeyValue( const char *szKeyName, const char *szValue )
{
if (FStrEq(szKeyName, "rotation"))
{
m_vecFinalAngle.x = atof(szValue);
}
else
{
return BaseClass::KeyValue( szKeyName, szValue );
}
return true;
}
CBasePlatTrain::~CBasePlatTrain()
{
StopMovingSound();
}
void CBasePlatTrain::PlayMovingSound()
{
StopMovingSound();
if(m_NoiseMoving != NULL_STRING )
{
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
CPASAttenuationFilter filter( this );
m_pMovementSound = controller.SoundCreate( filter, entindex(), CHAN_STATIC, STRING(m_NoiseMoving), ATTN_NORM );
controller.Play( m_pMovementSound, m_volume, PITCH_NORM );
}
}
void CBasePlatTrain::StopMovingSound()
{
if ( m_pMovementSound )
{
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
controller.SoundDestroy( m_pMovementSound );
m_pMovementSound = NULL;
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CBasePlatTrain::Precache( void )
{
//Fill in a default value if necessary
UTIL_ValidateSoundName( m_NoiseMoving, "Plat.DefaultMoving" );
UTIL_ValidateSoundName( m_NoiseArrived, "Plat.DefaultArrive" );
#ifdef HL1_DLL
// set the plat's "in-motion" sound
switch (m_MoveSound)
{
default:
case 0:
m_NoiseMoving = MAKE_STRING( "Plat.DefaultMoving" );
break;
case 1:
m_NoiseMoving = MAKE_STRING("Plat.BigElev1");
break;
case 2:
m_NoiseMoving = MAKE_STRING("Plat.BigElev2");
break;
case 3:
m_NoiseMoving = MAKE_STRING("Plat.TechElev1");
break;
case 4:
m_NoiseMoving = MAKE_STRING("Plat.TechElev2");
break;
case 5:
m_NoiseMoving = MAKE_STRING("Plat.TechElev3");
break;
case 6:
m_NoiseMoving = MAKE_STRING("Plat.FreightElev1");
break;
case 7:
m_NoiseMoving = MAKE_STRING("Plat.FreightElev2");
break;
case 8:
m_NoiseMoving = MAKE_STRING("Plat.HeavyElev");
break;
case 9:
m_NoiseMoving = MAKE_STRING("Plat.RackElev");
break;
case 10:
m_NoiseMoving = MAKE_STRING("Plat.RailElev");
break;
case 11:
m_NoiseMoving = MAKE_STRING("Plat.SqueakElev");
break;
case 12:
m_NoiseMoving = MAKE_STRING("Plat.OddElev1");
break;
case 13:
m_NoiseMoving = MAKE_STRING("Plat.OddElev2");
break;
}
// set the plat's 'reached destination' stop sound
switch (m_StopSound)
{
default:
case 0:
m_NoiseArrived = MAKE_STRING( "Plat.DefaultArrive" );
break;
case 1:
m_NoiseArrived = MAKE_STRING("Plat.BigElevStop1");
break;
case 2:
m_NoiseArrived = MAKE_STRING("Plat.BigElevStop2");
break;
case 3:
m_NoiseArrived = MAKE_STRING("Plat.FreightElevStop");
break;
case 4:
m_NoiseArrived = MAKE_STRING("Plat.HeavyElevStop");
break;
case 5:
m_NoiseArrived = MAKE_STRING("Plat.RackStop");
break;
case 6:
m_NoiseArrived = MAKE_STRING("Plat.RailStop");
break;
case 7:
m_NoiseArrived = MAKE_STRING("Plat.SqueakStop");
break;
case 8:
m_NoiseArrived = MAKE_STRING("Plat.QuickStop");
break;
}
#endif // HL1_DLL
//Precache them all
PrecacheScriptSound( (char *) STRING(m_NoiseMoving) );
PrecacheScriptSound( (char *) STRING(m_NoiseArrived) );
}
class CFuncPlat : public CBasePlatTrain
{
DECLARE_CLASS( CFuncPlat, CBasePlatTrain );
public:
void Spawn( void );
void Precache( void );
bool CreateVPhysics();
void Setup( void );
virtual void Blocked( CBaseEntity *pOther );
void PlatUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
void CallGoDown( void ) { GoDown(); }
void CallHitTop( void ) { HitTop(); }
void CallHitBottom( void ) { HitBottom(); }
virtual void GoUp( void );
virtual void GoDown( void );
virtual void HitTop( void );
virtual void HitBottom( void );
void InputToggle(inputdata_t &data);
void InputGoUp(inputdata_t &data);
void InputGoDown(inputdata_t &data);
DECLARE_DATADESC();
private:
string_t m_sNoise;
};
BEGIN_DATADESC( CFuncPlat )
DEFINE_FIELD( m_sNoise, FIELD_STRING ),
// Function Pointers
DEFINE_FUNCTION( PlatUse ),
DEFINE_FUNCTION( CallGoDown ),
DEFINE_FUNCTION( CallHitTop ),
DEFINE_FUNCTION( CallHitBottom ),
// Inputs
DEFINE_INPUTFUNC( FIELD_VOID, "Toggle", InputToggle ),
DEFINE_INPUTFUNC( FIELD_VOID, "GoUp", InputGoUp ),
DEFINE_INPUTFUNC( FIELD_VOID, "GoDown", InputGoDown ),
END_DATADESC()
LINK_ENTITY_TO_CLASS( func_plat, CFuncPlat );
//==================================================
// CPlatTrigger
//==================================================
class CPlatTrigger : public CBaseEntity
{
DECLARE_CLASS( CPlatTrigger, CBaseEntity );
public:
virtual int ObjectCaps( void ) { return BaseClass::ObjectCaps() | FCAP_DONT_SAVE; }
void SpawnInsideTrigger( CFuncPlat *pPlatform );
void Touch( CBaseEntity *pOther );
CFuncPlat *m_pPlatform;
};
void CFuncPlat::Setup( void )
{
if (m_flTLength == 0)
{
m_flTLength = 80;
}
if (m_flTWidth == 0)
{
m_flTWidth = 10;
}
SetLocalAngles( vec3_angle );
SetSolid( SOLID_BSP );
SetMoveType( MOVETYPE_PUSH );
// Set size and link into world
SetModel( STRING( GetModelName() ) );
m_vecPosition1 = GetLocalOrigin(); //Top
m_vecPosition2 = GetLocalOrigin(); //Bottom
if ( m_flHeight != 0 )
{
m_vecPosition2.z = GetLocalOrigin().z - m_flHeight;
}
else
{
// NOTE: This works because the angles were set to vec3_angle above
m_vecPosition2.z = GetLocalOrigin().z - CollisionProp()->OBBSize().z + 8;
}
if (m_flSpeed == 0)
{
m_flSpeed = 150;
}
if ( m_volume == 0.0f )
{
m_volume = 0.85f;
}
}
void CFuncPlat::Precache( )
{
BaseClass::Precache();
if ( IsTogglePlat() == false )
{
// Create the "start moving" trigger
PlatSpawnInsideTrigger( edict() );
}
}
void CFuncPlat::Spawn( )
{
Setup();
Precache();
// If this platform is the target of some button, it starts at the TOP position,
// and is brought down by that button. Otherwise, it starts at BOTTOM.
if ( GetEntityName() != NULL_STRING )
{
UTIL_SetOrigin( this, m_vecPosition1);
m_toggle_state = TS_AT_TOP;
SetUse( &CFuncPlat::PlatUse );
}
else
{
UTIL_SetOrigin( this, m_vecPosition2);
m_toggle_state = TS_AT_BOTTOM;
}
CreateVPhysics();
}
bool CFuncPlat::CreateVPhysics()
{
VPhysicsInitShadow( false, false );
return true;
}
static void PlatSpawnInsideTrigger(edict_t* pevPlatform)
{
// old code: //GetClassPtr( (CPlatTrigger *)NULL)->SpawnInsideTrigger( GetClassPtr( (CFuncPlat *)pevPlatform ) );
CPlatTrigger *plattrig = CREATE_UNSAVED_ENTITY( CPlatTrigger, "plat_trigger" );
plattrig->SpawnInsideTrigger( (CFuncPlat *)GetContainingEntity( pevPlatform ) );
}
//
// Create a trigger entity for a platform.
//
void CPlatTrigger::SpawnInsideTrigger( CFuncPlat *pPlatform )
{
m_pPlatform = pPlatform;
// Create trigger entity, "point" it at the owning platform, give it a touch method
SetSolid( SOLID_BSP );
AddSolidFlags( FSOLID_TRIGGER );
SetMoveType( MOVETYPE_NONE );
SetLocalOrigin( pPlatform->GetLocalOrigin() );
// Establish the trigger field's size
CCollisionProperty *pCollision = m_pPlatform->CollisionProp();
Vector vecTMin = pCollision->OBBMins() + Vector ( 25 , 25 , 0 );
Vector vecTMax = pCollision->OBBMaxs() + Vector ( 25 , 25 , 8 );
vecTMin.z = vecTMax.z - ( m_pPlatform->m_vecPosition1.z - m_pPlatform->m_vecPosition2.z + 8 );
if ( pCollision->OBBSize().x <= 50 )
{
vecTMin.x = (pCollision->OBBMins().x + pCollision->OBBMaxs().x) / 2;
vecTMax.x = vecTMin.x + 1;
}
if ( pCollision->OBBSize().y <= 50 )
{
vecTMin.y = (pCollision->OBBMins().y + pCollision->OBBMaxs().y) / 2;
vecTMax.y = vecTMin.y + 1;
}
UTIL_SetSize ( this, vecTMin, vecTMax );
}
//
// When the platform's trigger field is touched, the platform ???
//
void CPlatTrigger::Touch( CBaseEntity *pOther )
{
// Ignore touches by non-players
if ( !pOther->IsPlayer() )
return;
// Ignore touches by corpses
if (!pOther->IsAlive())
return;
// Make linked platform go up/down.
if (m_pPlatform->m_toggle_state == TS_AT_BOTTOM)
m_pPlatform->GoUp();
else if (m_pPlatform->m_toggle_state == TS_AT_TOP)
m_pPlatform->SetMoveDoneTime( 1 );// delay going down
}
//-----------------------------------------------------------------------------
// Purpose: Used when a platform is the target of a button.
// Start bringing platform down.
// Input : pActivator -
// pCaller -
// useType -
// value -
//-----------------------------------------------------------------------------
void CFuncPlat::InputToggle(inputdata_t &data)
{
if ( IsTogglePlat() )
{
if (m_toggle_state == TS_AT_TOP)
GoDown();
else if ( m_toggle_state == TS_AT_BOTTOM )
GoUp();
}
else
{
SetUse( NULL );
if (m_toggle_state == TS_AT_TOP)
GoDown();
}
}
void CFuncPlat::InputGoUp(inputdata_t &data)
{
if ( m_toggle_state == TS_AT_BOTTOM )
GoUp();
}
void CFuncPlat::InputGoDown(inputdata_t &data)
{
if ( m_toggle_state == TS_AT_TOP )
GoDown();
}
//-----------------------------------------------------------------------------
// Purpose: Used when a platform is the target of a button.
// Start bringing platform down.
// Input : pActivator -
// pCaller -
// useType -
// value -
//-----------------------------------------------------------------------------
void CFuncPlat::PlatUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
if ( IsTogglePlat() )
{
// Top is off, bottom is on
bool on = (m_toggle_state == TS_AT_BOTTOM) ? true : false;
if ( !ShouldToggle( useType, on ) )
return;
if (m_toggle_state == TS_AT_TOP)
GoDown();
else if ( m_toggle_state == TS_AT_BOTTOM )
GoUp();
}
else
{
SetUse( NULL );
if (m_toggle_state == TS_AT_TOP)
GoDown();
}
}
//
// Platform is at top, now starts moving down.
//
void CFuncPlat::GoDown( void )
{
PlayMovingSound();
ASSERT(m_toggle_state == TS_AT_TOP || m_toggle_state == TS_GOING_UP);
m_toggle_state = TS_GOING_DOWN;
SetMoveDone(&CFuncPlat::CallHitBottom);
LinearMove(m_vecPosition2, m_flSpeed);
}
//
// Platform has hit bottom. Stops and waits forever.
//
void CFuncPlat::HitBottom( void )
{
StopMovingSound();
if ( m_NoiseArrived != NULL_STRING )
{
CPASAttenuationFilter filter( this );
EmitSound_t ep;
ep.m_nChannel = CHAN_WEAPON;
ep.m_pSoundName = STRING(m_NoiseArrived);
ep.m_flVolume = m_volume;
ep.m_SoundLevel = SNDLVL_NORM;
EmitSound( filter, entindex(), ep );
}
ASSERT(m_toggle_state == TS_GOING_DOWN);
m_toggle_state = TS_AT_BOTTOM;
}
//
// Platform is at bottom, now starts moving up
//
void CFuncPlat::GoUp( void )
{
PlayMovingSound();
ASSERT(m_toggle_state == TS_AT_BOTTOM || m_toggle_state == TS_GOING_DOWN);
m_toggle_state = TS_GOING_UP;
SetMoveDone(&CFuncPlat::CallHitTop);
LinearMove(m_vecPosition1, m_flSpeed);
}
//
// Platform has hit top. Pauses, then starts back down again.
//
void CFuncPlat::HitTop( void )
{
StopMovingSound();
if ( m_NoiseArrived != NULL_STRING )
{
CPASAttenuationFilter filter( this );
EmitSound_t ep;
ep.m_nChannel = CHAN_WEAPON;
ep.m_pSoundName = STRING(m_NoiseArrived);
ep.m_flVolume = m_volume;
ep.m_SoundLevel = SNDLVL_NORM;
EmitSound( filter, entindex(), ep );
}
ASSERT(m_toggle_state == TS_GOING_UP);
m_toggle_state = TS_AT_TOP;
if ( !IsTogglePlat() )
{
// After a delay, the platform will automatically start going down again.
SetMoveDone( &CFuncPlat::CallGoDown );
SetMoveDoneTime( 3 );
}
}
//-----------------------------------------------------------------------------
// Purpose: Called when we are blocked.
//-----------------------------------------------------------------------------
void CFuncPlat::Blocked( CBaseEntity *pOther )
{
DevMsg( 2, "%s Blocked by %s\n", GetClassname(), pOther->GetClassname() );
// Hurt the blocker a little
pOther->TakeDamage( CTakeDamageInfo( this, this, 1, DMG_CRUSH ) );
if (m_sNoise != NULL_STRING)
{
StopSound(entindex(), CHAN_STATIC, (char*)STRING(m_sNoise));
}
// Send the platform back where it came from
ASSERT(m_toggle_state == TS_GOING_UP || m_toggle_state == TS_GOING_DOWN);
if (m_toggle_state == TS_GOING_UP)
{
GoDown();
}
else if (m_toggle_state == TS_GOING_DOWN)
{
GoUp ();
}
}
class CFuncPlatRot : public CFuncPlat
{
DECLARE_CLASS( CFuncPlatRot, CFuncPlat );
public:
void Spawn( void );
void SetupRotation( void );
virtual void GoUp( void );
virtual void GoDown( void );
virtual void HitTop( void );
virtual void HitBottom( void );
void RotMove( QAngle &destAngle, float time );
DECLARE_DATADESC();
QAngle m_end, m_start;
};
LINK_ENTITY_TO_CLASS( func_platrot, CFuncPlatRot );
BEGIN_DATADESC( CFuncPlatRot )
DEFINE_FIELD( m_end, FIELD_VECTOR ),
DEFINE_FIELD( m_start, FIELD_VECTOR ),
END_DATADESC()
void CFuncPlatRot::SetupRotation( void )
{
if ( m_vecFinalAngle.x != 0 ) // This plat rotates too!
{
CBaseToggle::AxisDir();
m_start = GetLocalAngles();
m_end = GetLocalAngles() + m_vecMoveAng * m_vecFinalAngle.x;
}
else
{
m_start = vec3_angle;
m_end = vec3_angle;
}
if ( GetEntityName() != NULL_STRING ) // Start at top
{
SetLocalAngles( m_end );
}
}
void CFuncPlatRot::Spawn( void )
{
BaseClass::Spawn();
SetupRotation();
}
void CFuncPlatRot::GoDown( void )
{
BaseClass::GoDown();
RotMove( m_start, GetMoveDoneTime() );
}
//
// Platform has hit bottom. Stops and waits forever.
//
void CFuncPlatRot::HitBottom( void )
{
BaseClass::HitBottom();
SetLocalAngularVelocity( vec3_angle );
SetLocalAngles( m_start );
}
//
// Platform is at bottom, now starts moving up
//
void CFuncPlatRot::GoUp( void )
{
BaseClass::GoUp();
RotMove( m_end, GetMoveDoneTime() );
}
//
// Platform has hit top. Pauses, then starts back down again.
//
void CFuncPlatRot::HitTop( void )
{
BaseClass::HitTop();
SetLocalAngularVelocity( vec3_angle );
SetLocalAngles( m_end );
}
void CFuncPlatRot::RotMove( QAngle &destAngle, float time )
{
// set destdelta to the vector needed to move
QAngle vecDestDelta = destAngle - GetLocalAngles();
// Travel time is so short, we're practically there already; so make it so.
if ( time >= 0.1)
SetLocalAngularVelocity( vecDestDelta * (1.0 / time) );
else
{
SetLocalAngularVelocity( vecDestDelta );
SetMoveDoneTime( 1 );
}
}
class CFuncTrain : public CBasePlatTrain
{
DECLARE_CLASS( CFuncTrain, CBasePlatTrain );
public:
void Spawn( void );
void Precache( void );
void Activate( void );
void OnRestore( void );
void SetupTarget( void );
void Blocked( CBaseEntity *pOther );
void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
void Wait( void );
void Next( void );
//Inputs
void InputToggle(inputdata_t &data);
void InputStart(inputdata_t &data);
void InputStop(inputdata_t &data);
void Start( void );
void Stop( void );
DECLARE_DATADESC();
public:
EHANDLE m_hCurrentTarget;
bool m_activated;
EHANDLE m_hEnemy;
float m_flBlockDamage; // Damage to inflict when blocked.
float m_flNextBlockTime;
string_t m_iszLastTarget;
};
LINK_ENTITY_TO_CLASS( func_train, CFuncTrain );
BEGIN_DATADESC( CFuncTrain )
DEFINE_FIELD( m_hCurrentTarget, FIELD_EHANDLE ),
DEFINE_FIELD( m_activated, FIELD_BOOLEAN ),
DEFINE_FIELD( m_hEnemy, FIELD_EHANDLE ),
DEFINE_FIELD( m_iszLastTarget, FIELD_STRING ),
DEFINE_FIELD( m_flNextBlockTime, FIELD_TIME ),
DEFINE_KEYFIELD( m_flBlockDamage, FIELD_FLOAT, "dmg" ),
// Function Pointers
DEFINE_FUNCTION( Wait ),
DEFINE_FUNCTION( Next ),
// Inputs
DEFINE_INPUTFUNC( FIELD_VOID, "Toggle", InputToggle ),
DEFINE_INPUTFUNC( FIELD_VOID, "Start", InputStart ),
DEFINE_INPUTFUNC( FIELD_VOID, "Stop", InputStop ),
END_DATADESC()
//-----------------------------------------------------------------------------
// Purpose: Handles a train being blocked by an entity.
// Input : pOther - What was hit.
//-----------------------------------------------------------------------------
void CFuncTrain::Blocked( CBaseEntity *pOther )
{
if ( gpGlobals->curtime < m_flNextBlockTime )
return;
m_flNextBlockTime = gpGlobals->curtime + 0.5;
//Inflict damage
pOther->TakeDamage( CTakeDamageInfo( this, this, m_flBlockDamage, DMG_CRUSH ) );
}
void CFuncTrain::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
//If we've been waiting to be retriggered, move to the next destination
if ( m_spawnflags & SF_TRAIN_WAIT_RETRIGGER )
{
// Move toward my target
m_spawnflags &= ~SF_TRAIN_WAIT_RETRIGGER;
Next();
}
else
{
m_spawnflags |= SF_TRAIN_WAIT_RETRIGGER;
// Pop back to last target if it's available
if ( m_hEnemy )
{
m_target = m_hEnemy->GetEntityName();
}
SetNextThink( TICK_NEVER_THINK );
SetLocalVelocity( vec3_origin );
if ( m_NoiseArrived != NULL_STRING )
{
CPASAttenuationFilter filter( this );
EmitSound_t ep;
ep.m_nChannel = CHAN_VOICE;
ep.m_pSoundName = STRING(m_NoiseArrived);
ep.m_flVolume = m_volume;
ep.m_SoundLevel = SNDLVL_NORM;
EmitSound( filter, entindex(), ep );
}
}
}
void CFuncTrain::Wait( void )
{
//If we're moving passed a path track, then trip its output
variant_t emptyVariant;
m_hCurrentTarget->AcceptInput( "InPass", this, this, emptyVariant, 0 );
// need pointer to LAST target.
if ( m_hCurrentTarget->HasSpawnFlags( SF_TRAIN_WAIT_RETRIGGER ) || HasSpawnFlags( SF_TRAIN_WAIT_RETRIGGER ) )
{
AddSpawnFlags( SF_TRAIN_WAIT_RETRIGGER );
// Clear the sound channel.
StopMovingSound();
if ( m_NoiseArrived != NULL_STRING )
{
CPASAttenuationFilter filter( this );
EmitSound_t ep;
ep.m_nChannel = CHAN_VOICE;
ep.m_pSoundName = STRING(m_NoiseArrived);
ep.m_flVolume = m_volume;
ep.m_SoundLevel = SNDLVL_NORM;
EmitSound( filter, entindex(), ep );
}
SetMoveDoneTime( -1 );
return;
}
//NOTENOTE: -1 wait will wait forever
if ( m_flWait != 0 )
{
SetMoveDoneTime( m_flWait );
StopMovingSound();
if ( m_NoiseArrived != NULL_STRING )
{
CPASAttenuationFilter filter( this );
EmitSound_t ep;
ep.m_nChannel = CHAN_VOICE;
ep.m_pSoundName = STRING(m_NoiseArrived);
ep.m_flVolume = m_volume;
ep.m_SoundLevel = SNDLVL_NORM;
EmitSound( filter, entindex(), ep );
}
SetMoveDone( &CFuncTrain::Next );
}
else
{
// Do it right now
Next();
}
}
//-----------------------------------------------------------------------------
// Purpose: Advances the train to the next path corner on the path.
//-----------------------------------------------------------------------------
void CFuncTrain::Next( void )
{
//Find our next target
CBaseEntity *pTarg = GetNextTarget();
//If none, we're done
if ( pTarg == NULL )
{
//Stop the moving sound
StopMovingSound();
// Play stop sound
if ( m_NoiseArrived != NULL_STRING )
{
CPASAttenuationFilter filter( this );
EmitSound_t ep;
ep.m_nChannel = CHAN_VOICE;
ep.m_pSoundName = STRING(m_NoiseArrived);
ep.m_flVolume = m_volume;
ep.m_SoundLevel = SNDLVL_NORM;
EmitSound( filter, entindex(), ep );
}
return;
}
// Save last target in case we need to find it again
m_iszLastTarget = m_target;
m_target = pTarg->m_target;
m_flWait = pTarg->GetDelay();
// If our target has a speed, take it
if ( m_hCurrentTarget && m_hCurrentTarget->m_flSpeed != 0 )
{
m_flSpeed = m_hCurrentTarget->m_flSpeed;
DevMsg( 2, "Train %s speed to %4.2f\n", GetDebugName(), m_flSpeed );
}
// Keep track of this since path corners change our target for us
m_hCurrentTarget = pTarg;
m_hEnemy = pTarg;
//Check for teleport
if ( m_hCurrentTarget->HasSpawnFlags( SF_CORNER_TELEPORT ) )
{
IncrementInterpolationFrame();
// This is supposed to place the center of the func_train at the target's origin.
// FIXME: This is totally busted! It's using the wrong space for the computation...
UTIL_SetOrigin( this, pTarg->GetLocalOrigin() - CollisionProp()->OBBCenter() );
// Get on with doing the next path corner.
Wait();
}
else
{
// Normal linear move
PlayMovingSound();
SetMoveDone( &CFuncTrain::Wait );
// This is supposed to place the center of the func_train at the target's origin.
// FIXME: This is totally busted! It's using the wrong space for the computation...
LinearMove ( pTarg->GetLocalOrigin() - CollisionProp()->OBBCenter(), m_flSpeed );
}
}
//-----------------------------------------------------------------------------
// Purpose: Called after all the entities spawn.
//-----------------------------------------------------------------------------
void CFuncTrain::Activate( void )
{
BaseClass::Activate();
// Not yet active, so teleport to first target
if ( m_activated == false )
{
SetupTarget();
m_activated = true;
if ( m_hCurrentTarget.Get() == NULL )
return;
// This is supposed to place the center of the func_train at the target's origin.
// FIXME: This is totally busted! It's using the wrong space for the computation...
UTIL_SetOrigin( this, m_hCurrentTarget->GetLocalOrigin() - CollisionProp()->OBBCenter() );
if ( GetSolid() == SOLID_BSP )
{
VPhysicsInitShadow( false, false );
}
// Start immediately if not triggered
if ( !GetEntityName() )
{
SetMoveDoneTime( 0.1 );
SetMoveDone( &CFuncTrain::Next );
}
else
{
m_spawnflags |= SF_TRAIN_WAIT_RETRIGGER;
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CFuncTrain::SetupTarget( void )
{
// Find our target whenever we don't have one (level transition)
if ( !m_hCurrentTarget )
{
CBaseEntity *pTarg = gEntList.FindEntityByName( NULL, m_target );
if ( pTarg == NULL )
{
Msg( "Can't find target of train %s\n", STRING(m_target) );
return;
}
// Keep track of this since path corners change our target for us
m_target = pTarg->m_target;
m_hCurrentTarget = pTarg;
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CFuncTrain::Spawn( void )
{
Precache();
if ( m_flSpeed == 0 )
{
m_flSpeed = 100;
}
if ( !m_target )
{
Warning("FuncTrain '%s' has no target.\n", GetDebugName());
}
if ( m_flBlockDamage == 0 )
{
m_flBlockDamage = 2;
}
SetMoveType( MOVETYPE_PUSH );
SetSolid( SOLID_BSP );
SetModel( STRING( GetModelName() ) );
if ( m_spawnflags & SF_TRACKTRAIN_PASSABLE )
{
AddSolidFlags( FSOLID_NOT_SOLID );
}
m_activated = false;
if ( m_volume == 0.0f )
{
m_volume = 0.85f;
}
}
void CFuncTrain::Precache( void )
{
BaseClass::Precache();
}
void CFuncTrain::OnRestore( void )
{
BaseClass::OnRestore();
// Are we moving?
if ( IsMoving() )
{
// Continue moving to the same target
m_target = m_iszLastTarget;
}
SetupTarget();
}
void CFuncTrain::InputToggle( inputdata_t &data )
{
//If we've been waiting to be retriggered, move to the next destination
if( HasSpawnFlags( SF_TRAIN_WAIT_RETRIGGER ) )
{
Start();
}
else
{
Stop();
}
}
void CFuncTrain::InputStart( inputdata_t &data )
{
Start();
}
void CFuncTrain::InputStop( inputdata_t &data )
{
Stop();
}
void CFuncTrain::Start( void )
{
//start moving
if( HasSpawnFlags( SF_TRAIN_WAIT_RETRIGGER ) )
{
// Move toward my target
RemoveSpawnFlags( SF_TRAIN_WAIT_RETRIGGER );
Next();
}
}
void CFuncTrain::Stop( void )
{
//stop moving
if( !HasSpawnFlags( SF_TRAIN_WAIT_RETRIGGER ) )
{
AddSpawnFlags( SF_TRAIN_WAIT_RETRIGGER );
// Pop back to last target if it's available
if ( m_hEnemy )
{
m_target = m_hEnemy->GetEntityName();
}
SetNextThink( TICK_NEVER_THINK );
SetAbsVelocity( vec3_origin );
if ( m_NoiseArrived != NULL_STRING )
{
CPASAttenuationFilter filter( this );
EmitSound_t ep;
ep.m_nChannel = CHAN_VOICE;
ep.m_pSoundName = STRING(m_NoiseArrived);
ep.m_flVolume = m_volume;
ep.m_SoundLevel = SNDLVL_NORM;
EmitSound( filter, entindex(), ep );
}
//Do not teleport to our final move destination
SetMoveDone( NULL );
SetMoveDoneTime( -1 );
}
}
BEGIN_DATADESC( CFuncTrackTrain )
DEFINE_KEYFIELD( m_length, FIELD_FLOAT, "wheels" ),
DEFINE_KEYFIELD( m_height, FIELD_FLOAT, "height" ),
DEFINE_KEYFIELD( m_maxSpeed, FIELD_FLOAT, "startspeed" ),
DEFINE_KEYFIELD( m_flBank, FIELD_FLOAT, "bank" ),
DEFINE_KEYFIELD( m_flBlockDamage, FIELD_FLOAT, "dmg" ),
DEFINE_KEYFIELD( m_iszSoundMove, FIELD_SOUNDNAME, "MoveSound" ),
DEFINE_KEYFIELD( m_iszSoundMovePing, FIELD_SOUNDNAME, "MovePingSound" ),
DEFINE_KEYFIELD( m_iszSoundStart, FIELD_SOUNDNAME, "StartSound" ),
DEFINE_KEYFIELD( m_iszSoundStop, FIELD_SOUNDNAME, "StopSound" ),
DEFINE_KEYFIELD( m_nMoveSoundMinPitch, FIELD_INTEGER, "MoveSoundMinPitch" ),
DEFINE_KEYFIELD( m_nMoveSoundMaxPitch, FIELD_INTEGER, "MoveSoundMaxPitch" ),
DEFINE_KEYFIELD( m_flMoveSoundMinTime, FIELD_FLOAT, "MoveSoundMinTime" ),
DEFINE_KEYFIELD( m_flMoveSoundMaxTime, FIELD_FLOAT, "MoveSoundMaxTime" ),
DEFINE_FIELD( m_flNextMoveSoundTime, FIELD_TIME ),
DEFINE_KEYFIELD( m_eVelocityType, FIELD_INTEGER, "velocitytype" ),
DEFINE_KEYFIELD( m_eOrientationType, FIELD_INTEGER, "orientationtype" ),
DEFINE_FIELD( m_ppath, FIELD_CLASSPTR ),
DEFINE_FIELD( m_dir, FIELD_FLOAT ),
DEFINE_FIELD( m_controlMins, FIELD_VECTOR ),
DEFINE_FIELD( m_controlMaxs, FIELD_VECTOR ),
DEFINE_FIELD( m_flVolume, FIELD_FLOAT ),
DEFINE_FIELD( m_oldSpeed, FIELD_FLOAT ),
//DEFINE_FIELD( m_lastBlockPos, FIELD_POSITION_VECTOR ), // temp values for blocking, don't save
//DEFINE_FIELD( m_lastBlockTick, FIELD_INTEGER ),
DEFINE_FIELD( m_bSoundPlaying, FIELD_BOOLEAN ),
DEFINE_KEYFIELD( m_bManualSpeedChanges, FIELD_BOOLEAN, "ManualSpeedChanges" ),
DEFINE_KEYFIELD( m_flAccelSpeed, FIELD_FLOAT, "ManualAccelSpeed" ),
DEFINE_KEYFIELD( m_flDecelSpeed, FIELD_FLOAT, "ManualDecelSpeed" ),
#ifdef HL1_DLL
DEFINE_FIELD( m_bOnTrackChange, FIELD_BOOLEAN ),
#endif
// Inputs
DEFINE_INPUTFUNC( FIELD_VOID, "Stop", InputStop ),
DEFINE_INPUTFUNC( FIELD_VOID, "StartForward", InputStartForward ),
DEFINE_INPUTFUNC( FIELD_VOID, "StartBackward", InputStartBackward ),
DEFINE_INPUTFUNC( FIELD_VOID, "Toggle", InputToggle ),
DEFINE_INPUTFUNC( FIELD_VOID, "Resume", InputResume ),
DEFINE_INPUTFUNC( FIELD_VOID, "Reverse", InputReverse ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "SetSpeed", InputSetSpeed ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "SetSpeedDir", InputSetSpeedDir ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "SetSpeedReal", InputSetSpeedReal ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "SetSpeedDirAccel", InputSetSpeedDirAccel ),
DEFINE_INPUTFUNC( FIELD_STRING, "TeleportToPathTrack", InputTeleportToPathTrack ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "SetSpeedForwardModifier", InputSetSpeedForwardModifier ),
// Outputs
DEFINE_OUTPUT( m_OnStart, "OnStart" ),
DEFINE_OUTPUT( m_OnNext, "OnNextPoint" ),
// Function Pointers
DEFINE_FUNCTION( Next ),
DEFINE_FUNCTION( Find ),
DEFINE_FUNCTION( NearestPath ),
DEFINE_FUNCTION( DeadEnd ),
END_DATADESC()
LINK_ENTITY_TO_CLASS( func_tracktrain, CFuncTrackTrain );
//-----------------------------------------------------------------------------
// Datatable
//-----------------------------------------------------------------------------
IMPLEMENT_SERVERCLASS_ST( CFuncTrackTrain, DT_FuncTrackTrain )
END_SEND_TABLE()
//-----------------------------------------------------------------------------
// Constructor
//-----------------------------------------------------------------------------
CFuncTrackTrain::CFuncTrackTrain()
{
#ifdef _DEBUG
m_controlMins.Init();
m_controlMaxs.Init();
#endif
// These defaults match old func_tracktrains. Changing these defaults would
// require a vmf_tweak of older content to keep it from breaking.
m_eOrientationType = TrainOrientation_AtPathTracks;
m_eVelocityType = TrainVelocity_Instantaneous;
m_lastBlockPos.Init();
m_lastBlockTick = gpGlobals->tickcount;
m_flSpeedForwardModifier = 1.0f;
m_flUnmodifiedDesiredSpeed = 0.0f;
m_bDamageChild = false;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int CFuncTrackTrain::DrawDebugTextOverlays( void )
{
int nOffset = BaseClass::DrawDebugTextOverlays();
if (m_debugOverlays & OVERLAY_TEXT_BIT)
{
char tempstr[512];
Q_snprintf( tempstr,sizeof(tempstr), "angles: %g %g %g", (double)GetLocalAngles()[PITCH], (double)GetLocalAngles()[YAW], (double)GetLocalAngles()[ROLL] );
EntityText( nOffset, tempstr, 0 );
nOffset++;
float flCurSpeed = GetLocalVelocity().Length();
Q_snprintf( tempstr,sizeof(tempstr), "current speed (goal): %g (%g)", (double)flCurSpeed, (double)m_flSpeed );
EntityText( nOffset, tempstr, 0 );
nOffset++;
Q_snprintf( tempstr,sizeof(tempstr), "max speed: %g", (double)m_maxSpeed );
EntityText( nOffset, tempstr, 0 );
nOffset++;
}
return nOffset;
}
void CFuncTrackTrain::DrawDebugGeometryOverlays()
{
BaseClass::DrawDebugGeometryOverlays();
if (m_debugOverlays & OVERLAY_BBOX_BIT)
{
NDebugOverlay::Box( GetAbsOrigin(), -Vector(4,4,4),Vector(4,4,4), 255, 0, 255, 0, 0);
Vector out;
VectorTransform( Vector(m_length,0,0), EntityToWorldTransform(), out );
NDebugOverlay::Box( out, -Vector(4,4,4),Vector(4,4,4), 255, 0, 255, 0, 0);
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CFuncTrackTrain::KeyValue( const char *szKeyName, const char *szValue )
{
if (FStrEq(szKeyName, "volume"))
{
m_flVolume = (float) (atoi(szValue));
m_flVolume *= 0.1f;
}
else
{
return BaseClass::KeyValue( szKeyName, szValue );
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Input handler that stops the train.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::InputStop( inputdata_t &inputdata )
{
Stop();
}
//------------------------------------------------------------------------------
// Purpose: Input handler that starts the train moving.
//------------------------------------------------------------------------------
void CFuncTrackTrain::InputResume( inputdata_t &inputdata )
{
m_flSpeed = m_oldSpeed;
Start();
}
//------------------------------------------------------------------------------
// Purpose: Input handler that reverses the trains current direction of motion.
//------------------------------------------------------------------------------
void CFuncTrackTrain::InputReverse( inputdata_t &inputdata )
{
SetDirForward( !IsDirForward() );
SetSpeed( m_flSpeed );
}
//-----------------------------------------------------------------------------
// Purpose: Returns whether we are travelling forward along our path.
//-----------------------------------------------------------------------------
bool CFuncTrackTrain::IsDirForward()
{
return ( m_dir == 1 );
}
//-----------------------------------------------------------------------------
// Purpose: Sets whether we go forward or backward along our path.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::SetDirForward( bool bForward )
{
if ( bForward && ( m_dir != 1 ) )
{
// Reverse direction.
if ( m_ppath && m_ppath->GetPrevious() )
{
m_ppath = m_ppath->GetPrevious();
}
m_dir = 1;
}
else if ( !bForward && ( m_dir != -1 ) )
{
// Reverse direction.
if ( m_ppath && m_ppath->GetNext() )
{
m_ppath = m_ppath->GetNext();
}
m_dir = -1;
}
}
//------------------------------------------------------------------------------
// Purpose: Input handler that starts the train moving.
//------------------------------------------------------------------------------
void CFuncTrackTrain::InputStartForward( inputdata_t &inputdata )
{
SetDirForward( true );
SetSpeed( m_maxSpeed );
}
//------------------------------------------------------------------------------
// Purpose: Input handler that starts the train moving.
//------------------------------------------------------------------------------
void CFuncTrackTrain::InputStartBackward( inputdata_t &inputdata )
{
SetDirForward( false );
SetSpeed( m_maxSpeed );
}
//------------------------------------------------------------------------------
// Purpose: Starts the train moving.
//------------------------------------------------------------------------------
void CFuncTrackTrain::Start( void )
{
m_OnStart.FireOutput(this,this);
Next();
}
//-----------------------------------------------------------------------------
// Purpose: Toggles the train between moving and not moving.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::InputToggle( inputdata_t &inputdata )
{
if ( m_flSpeed == 0 )
{
SetSpeed( m_maxSpeed );
}
else
{
SetSpeed( 0 );
}
}
//-----------------------------------------------------------------------------
// Purpose: Handles player use so players can control the speed of the train.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
// player +USE
if ( useType == USE_SET )
{
float delta = value;
delta = ((int)(m_flSpeed * 4) / (int)m_maxSpeed)*0.25 + 0.25 * delta;
if ( delta > 1 )
delta = 1;
else if ( delta < -0.25 )
delta = -0.25;
if ( m_spawnflags & SF_TRACKTRAIN_FORWARDONLY )
{
if ( delta < 0 )
delta = 0;
}
SetDirForward( delta >= 0 );
delta = fabs(delta);
SetSpeed( m_maxSpeed * delta );
}
}
//-----------------------------------------------------------------------------
// Purpose: Input handler that sets the speed of the train.
// Input : Float speed from 0 to max speed, in units per second.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::InputSetSpeedReal( inputdata_t &inputdata )
{
SetSpeed( clamp( inputdata.value.Float(), 0.f, m_maxSpeed ) );
}
//-----------------------------------------------------------------------------
// Purpose: Input handler that sets the speed of the train.
// Input : Float speed scale from 0 to 1.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::InputSetSpeed( inputdata_t &inputdata )
{
float flScale = clamp( inputdata.value.Float(), 0.f, 1.f );
SetSpeed( m_maxSpeed * flScale );
}
//-----------------------------------------------------------------------------
// Purpose: Input handler that sets the speed of the train and the direction
// based on the sign of the speed.
// Input : Float speed scale from -1 to 1. Negatives values indicate a reversed
// direction.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::InputSetSpeedDir( inputdata_t &inputdata )
{
float newSpeed = inputdata.value.Float();
SetDirForward( newSpeed >= 0 );
newSpeed = fabs(newSpeed);
float flScale = clamp( newSpeed, 0.f, 1.f );
SetSpeed( m_maxSpeed * flScale );
}
//-----------------------------------------------------------------------------
// Purpose: Input handler that sets the speed of the train and the direction
// based on the sign of the speed, and accels/decels to that speed
// Input : Float speed scale from -1 to 1. Negatives values indicate a reversed
// direction.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::InputSetSpeedDirAccel( inputdata_t &inputdata )
{
SetSpeedDirAccel( inputdata.value.Float() );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CFuncTrackTrain::SetSpeedDirAccel( float flNewSpeed )
{
float newSpeed = flNewSpeed;
SetDirForward( newSpeed >= 0 );
newSpeed = fabs( newSpeed );
float flScale = clamp( newSpeed, 0.f, 1.f );
SetSpeed( m_maxSpeed * flScale, true );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CFuncTrackTrain::InputSetSpeedForwardModifier( inputdata_t &inputdata )
{
SetSpeedForwardModifier( inputdata.value.Float() ) ;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CFuncTrackTrain::SetSpeedForwardModifier( float flModifier )
{
float flSpeedForwardModifier = flModifier;
flSpeedForwardModifier = fabs( flSpeedForwardModifier );
m_flSpeedForwardModifier = clamp( flSpeedForwardModifier, 0.f, 1.f );
SetSpeed( m_flUnmodifiedDesiredSpeed, true );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CFuncTrackTrain::InputTeleportToPathTrack( inputdata_t &inputdata )
{
const char *pszName = inputdata.value.String();
CPathTrack *pTrack = dynamic_cast<CPathTrack*>( gEntList.FindEntityByName( NULL, pszName ) );
if ( pTrack )
{
TeleportToPathTrack( pTrack );
m_ppath = pTrack;
}
}
//-----------------------------------------------------------------------------
// Purpose: Sets the speed of the train to the given value in units per second.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::SetSpeed( float flSpeed, bool bAccel /*= false */ )
{
m_bAccelToSpeed = bAccel;
m_flUnmodifiedDesiredSpeed = flSpeed;
float flOldSpeed = m_flSpeed;
// are we using a speed forward modifier?
if ( m_flSpeedForwardModifier < 1.0 && m_dir > 0 )
{
flSpeed = flSpeed * m_flSpeedForwardModifier;
}
if ( m_bAccelToSpeed )
{
m_flDesiredSpeed = fabs( flSpeed ) * m_dir;
m_flSpeedChangeTime = gpGlobals->curtime;
if ( m_flSpeed == 0 && abs(m_flDesiredSpeed) > 0 )
{
m_flSpeed = 0.1; // little push to get us going
}
Start();
return;
}
m_flSpeed = fabs( flSpeed ) * m_dir;
if ( m_flSpeed != flOldSpeed)
{
// Changing speed.
if ( m_flSpeed != 0 )
{
if ( flOldSpeed == 0 )
{
// Starting to move.
Start();
}
else
{
// Continuing to move.
Next();
}
}
else
{
// Stopping.
Stop();
}
}
DevMsg( 2, "TRAIN(%s), speed to %.2f\n", GetDebugName(), m_flSpeed );
}
//-----------------------------------------------------------------------------
// Purpose: Stops the train.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::Stop( void )
{
SetLocalVelocity( vec3_origin );
SetLocalAngularVelocity( vec3_angle );
m_oldSpeed = m_flSpeed;
m_flSpeed = 0;
SoundStop();
SetThink(NULL);
}
static CBaseEntity *FindPhysicsBlockerForHierarchy( CBaseEntity *pParentEntity )
{
CUtlVector<CBaseEntity *> list;
GetAllInHierarchy( pParentEntity, list );
CBaseEntity *pPhysicsBlocker = NULL;
float maxForce = 0;
for ( int i = 0; i < list.Count(); i++ )
{
IPhysicsObject *pPhysics = list[i]->VPhysicsGetObject();
if ( pPhysics )
{
IPhysicsFrictionSnapshot *pSnapshot = pPhysics->CreateFrictionSnapshot();
while ( pSnapshot->IsValid() )
{
IPhysicsObject *pOther = pSnapshot->GetObject(1);
CBaseEntity *pOtherEntity = static_cast<CBaseEntity *>(pOther->GetGameData());
if ( pOtherEntity && pOtherEntity->GetMoveType() == MOVETYPE_VPHYSICS )
{
Vector normal;
pSnapshot->GetSurfaceNormal(normal);
float dot = DotProduct( pParentEntity->GetAbsVelocity(), pSnapshot->GetNormalForce() * normal );
if ( !pPhysicsBlocker || dot > maxForce )
{
pPhysicsBlocker = pOtherEntity;
maxForce = dot;
}
}
pSnapshot->NextFrictionData();
}
pPhysics->DestroyFrictionSnapshot( pSnapshot );
}
}
return pPhysicsBlocker;
}
//-----------------------------------------------------------------------------
// Purpose: Called when we are blocked by another entity.
// Input : pOther -
//-----------------------------------------------------------------------------
void CFuncTrackTrain::Blocked( CBaseEntity *pOther )
{
// Blocker is on-ground on the train
if ( ( pOther->GetFlags() & FL_ONGROUND ) && pOther->GetGroundEntity() == this )
{
DevMsg( 1, "TRAIN(%s): Blocked by %s\n", GetDebugName(), pOther->GetClassname() );
float deltaSpeed = fabs(m_flSpeed);
if ( deltaSpeed > 50 )
deltaSpeed = 50;
Vector vecNewVelocity;
pOther->GetVelocity( &vecNewVelocity );
if ( !vecNewVelocity.z )
{
pOther->ApplyAbsVelocityImpulse( Vector(0,0,deltaSpeed) );
}
return;
}
else
{
Vector vecNewVelocity;
vecNewVelocity = pOther->GetAbsOrigin() - GetAbsOrigin();
VectorNormalize(vecNewVelocity);
vecNewVelocity *= m_flBlockDamage;
pOther->SetAbsVelocity( vecNewVelocity );
}
if ( HasSpawnFlags(SF_TRACKTRAIN_UNBLOCKABLE_BY_PLAYER) )
{
CBaseEntity *pPhysicsBlocker = FindPhysicsBlockerForHierarchy(this);
if ( pPhysicsBlocker )
{
// This code keeps track of how long this train has been blocked
// The heuristic here is to keep instantaneous blocks from invoking the somewhat
// heavy-handed solver (which will disable collisions until we're clear) in cases
// where physics can solve it easily enough.
int ticksBlocked = gpGlobals->tickcount - m_lastBlockTick;
float dist = 0.0f;
// wait at least 10 ticks and make sure the train isn't actually moving before really blocking
const int MIN_BLOCKED_TICKS = 10;
if ( ticksBlocked > MIN_BLOCKED_TICKS )
{
dist = (GetAbsOrigin() - m_lastBlockPos).Length();
// must have moved at least 10% of normal velocity over the blocking interval, or we're being blocked
float minLength = GetAbsVelocity().Length() * TICK_INTERVAL * MIN_BLOCKED_TICKS * 0.10f;
if ( dist < minLength )
{
// been stuck for more than one tick without moving much?
// yes, disable collisions with the physics object most likely to be blocking us
EntityPhysics_CreateSolver( this, pPhysicsBlocker, true, 4.0f );
}
}
// first time blocking or moved too far since last block, reset
if ( dist > 1.0f || m_lastBlockTick < 0 )
{
m_lastBlockPos = GetAbsOrigin();
m_lastBlockTick = gpGlobals->tickcount;
}
}
// unblockable shouldn't damage the player in this case
if ( pOther->IsPlayer() )
return;
}
DevWarning( 2, "TRAIN(%s): Blocked by %s (dmg:%.2f)\n", GetDebugName(), pOther->GetClassname(), m_flBlockDamage );
if ( m_flBlockDamage <= 0 )
return;
// we can't hurt this thing, so we're not concerned with it
pOther->TakeDamage( CTakeDamageInfo( this, this, m_flBlockDamage, DMG_CRUSH ) );
}
extern void FixupAngles( QAngle &v );
#define TRAIN_MAXSPEED 1000 // approx max speed for sound pitch calculation
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CFuncTrackTrain::SoundStop( void )
{
// if sound playing, stop it
if ( m_bSoundPlaying )
{
if ( m_iszSoundMove != NULL_STRING )
{
StopSound( entindex(), CHAN_STATIC, STRING( m_iszSoundMove ) );
}
if ( m_iszSoundStop != NULL_STRING )
{
CPASAttenuationFilter filter( this );
EmitSound_t ep;
ep.m_nChannel = CHAN_ITEM;
ep.m_pSoundName = STRING(m_iszSoundStop);
ep.m_flVolume = m_flVolume;
ep.m_SoundLevel = SNDLVL_NORM;
EmitSound( filter, entindex(), ep );
}
}
m_bSoundPlaying = false;
}
//-----------------------------------------------------------------------------
// Purpose: Update pitch based on speed, start sound if not playing.
// NOTE: when train goes through transition, m_bSoundPlaying should become
// false, which will cause the looped sound to restart.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::SoundUpdate( void )
{
if ( ( !m_iszSoundMove ) && ( !m_iszSoundStart ) && ( !m_iszSoundMovePing ))
{
return;
}
// In multiplayer, only update the sound once a second
if ( g_pGameRules->IsMultiplayer() && m_bSoundPlaying )
{
if ( m_flNextMPSoundTime > gpGlobals->curtime )
return;
m_flNextMPSoundTime = gpGlobals->curtime + 1.0;
}
float flSpeedRatio = 0;
if ( HasSpawnFlags( SF_TRACKTRAIN_USE_MAXSPEED_FOR_PITCH ) )
{
flSpeedRatio = clamp( fabs( m_flSpeed ) / m_maxSpeed, 0.f, 1.f );
}
else
{
flSpeedRatio = clamp( fabs( m_flSpeed ) / TRAIN_MAXSPEED, 0.f, 1.f );
}
float flpitch = RemapVal( flSpeedRatio, 0, 1, m_nMoveSoundMinPitch, m_nMoveSoundMaxPitch );
CPASAttenuationFilter filter( this );
CPASAttenuationFilter filterReliable( this );
filterReliable.MakeReliable();
Vector vecWorldSpaceCenter = WorldSpaceCenter();
if (!m_bSoundPlaying)
{
if ( m_iszSoundStart != NULL_STRING )
{
EmitSound_t ep;
ep.m_nChannel = CHAN_ITEM;
ep.m_pSoundName = STRING(m_iszSoundStart);
ep.m_flVolume = m_flVolume;
ep.m_SoundLevel = SNDLVL_NORM;
ep.m_pOrigin = &vecWorldSpaceCenter;
EmitSound( filter, entindex(), ep );
}
if ( m_iszSoundMove != NULL_STRING )
{
EmitSound_t ep;
ep.m_nChannel = CHAN_STATIC;
ep.m_pSoundName = STRING(m_iszSoundMove);
ep.m_flVolume = m_flVolume;
ep.m_SoundLevel = SNDLVL_NORM;
ep.m_nPitch = (int)flpitch;
ep.m_pOrigin = &vecWorldSpaceCenter;
EmitSound( filterReliable, entindex(), ep );
}
// We've just started moving. Delay the next move ping sound.
m_flNextMoveSoundTime = gpGlobals->curtime + RemapVal( flSpeedRatio, 0, 1, m_flMoveSoundMaxTime, m_flMoveSoundMinTime );
m_bSoundPlaying = true;
}
else
{
if ( m_iszSoundMove != NULL_STRING )
{
// update pitch
EmitSound_t ep;
ep.m_nChannel = CHAN_STATIC;
ep.m_pSoundName = STRING(m_iszSoundMove);
ep.m_flVolume = m_flVolume;
ep.m_SoundLevel = SNDLVL_NORM;
ep.m_nPitch = (int)flpitch;
ep.m_nFlags = SND_CHANGE_PITCH;
ep.m_pOrigin = &vecWorldSpaceCenter;
// In multiplayer, don't make this reliable
if ( g_pGameRules->IsMultiplayer() )
{
EmitSound( filter, entindex(), ep );
}
else
{
EmitSound( filterReliable, entindex(), ep );
}
}
if ( ( m_iszSoundMovePing != NULL_STRING ) && ( gpGlobals->curtime > m_flNextMoveSoundTime ) )
{
EmitSound(STRING(m_iszSoundMovePing));
m_flNextMoveSoundTime = gpGlobals->curtime + RemapVal( flSpeedRatio, 0, 1, m_flMoveSoundMaxTime, m_flMoveSoundMinTime );
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pNode -
//-----------------------------------------------------------------------------
void CFuncTrackTrain::ArriveAtNode( CPathTrack *pNode )
{
// BUGBUG: This is wrong. We need to fire all targets between the one we've passed and the one
// we've switched to.
FirePassInputs( pNode, pNode->GetNext(), true );
//
// Disable train controls if this path track says to do so.
//
if ( pNode->HasSpawnFlags( SF_PATH_DISABLE_TRAIN ) )
{
m_spawnflags |= SF_TRACKTRAIN_NOCONTROL;
}
//
// Don't override the train speed if it's under user control.
//
if ( m_spawnflags & SF_TRACKTRAIN_NOCONTROL )
{
//
// Don't copy speed from path track if it is 0 (uninitialized).
//
if ( pNode->m_flSpeed != 0 )
{
SetSpeed( pNode->m_flSpeed );
DevMsg( 2, "TrackTrain %s arrived at %s, speed to %4.2f\n", GetDebugName(), pNode->GetDebugName(), pNode->m_flSpeed );
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Controls how the train accelerates as it moves along the path.
//-----------------------------------------------------------------------------
TrainVelocityType_t CFuncTrackTrain::GetTrainVelocityType()
{
return m_eVelocityType;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pnext -
//-----------------------------------------------------------------------------
void CFuncTrackTrain::UpdateTrainVelocity( CPathTrack *pPrev, CPathTrack *pNext, const Vector &nextPos, float flInterval )
{
switch ( GetTrainVelocityType() )
{
case TrainVelocity_Instantaneous:
{
Vector velDesired = nextPos - GetLocalOrigin();
VectorNormalize( velDesired );
velDesired *= fabs( m_flSpeed );
SetLocalVelocity( velDesired );
break;
}
case TrainVelocity_LinearBlend:
case TrainVelocity_EaseInEaseOut:
{
if ( m_bAccelToSpeed )
{
float flPrevSpeed = m_flSpeed;
float flNextSpeed = m_flDesiredSpeed;
if ( flPrevSpeed != flNextSpeed )
{
float flSpeedChangeTime = ( abs(flNextSpeed) > abs(flPrevSpeed) ) ? m_flAccelSpeed : m_flDecelSpeed;
m_flSpeed = UTIL_Approach( m_flDesiredSpeed, m_flSpeed, flSpeedChangeTime * gpGlobals->frametime );
}
}
else if ( pPrev && pNext )
{
// Get the speed to blend from.
float flPrevSpeed = m_flSpeed;
if ( pPrev->m_flSpeed != 0 )
{
flPrevSpeed = pPrev->m_flSpeed;
}
// Get the speed to blend to.
float flNextSpeed = flPrevSpeed;
if ( pNext->m_flSpeed != 0 )
{
flNextSpeed = pNext->m_flSpeed;
}
// If they're different, do the blend.
if ( flPrevSpeed != flNextSpeed )
{
Vector vecSegment = pNext->GetLocalOrigin() - pPrev->GetLocalOrigin();
float flSegmentLen = vecSegment.Length();
if ( flSegmentLen )
{
Vector vecCurOffset = GetLocalOrigin() - pPrev->GetLocalOrigin();
float p = vecCurOffset.Length() / flSegmentLen;
if ( GetTrainVelocityType() == TrainVelocity_EaseInEaseOut )
{
p = SimpleSplineRemapVal( p, 0.0f, 1.0f, 0.0f, 1.0f );
}
m_flSpeed = m_dir * ( flPrevSpeed * ( 1 - p ) + flNextSpeed * p );
}
}
else
{
m_flSpeed = m_dir * flPrevSpeed;
}
}
Vector velDesired = nextPos - GetLocalOrigin();
VectorNormalize( velDesired );
velDesired *= fabs( m_flSpeed );
SetLocalVelocity( velDesired );
break;
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Controls how the train blends angles as it moves along the path.
//-----------------------------------------------------------------------------
TrainOrientationType_t CFuncTrackTrain::GetTrainOrientationType()
{
#ifdef HL1_DLL
return TrainOrientation_AtPathTracks;
#else
return m_eOrientationType;
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : pnext -
//-----------------------------------------------------------------------------
void CFuncTrackTrain::UpdateTrainOrientation( CPathTrack *pPrev, CPathTrack *pNext, const Vector &nextPos, float flInterval )
{
// FIXME: old way of doing fixed orienation trains, remove!
if ( HasSpawnFlags( SF_TRACKTRAIN_FIXED_ORIENTATION ) )
return;
// Trains *can* work in local space, but only if all elements of the track share
// the same move parent as the train.
Assert( !pPrev || (pPrev->GetMoveParent() == GetMoveParent()) );
switch ( GetTrainOrientationType() )
{
case TrainOrientation_Fixed:
{
// Fixed orientation. Do nothing.
break;
}
case TrainOrientation_AtPathTracks:
{
UpdateOrientationAtPathTracks( pPrev, pNext, nextPos, flInterval );
break;
}
case TrainOrientation_EaseInEaseOut:
case TrainOrientation_LinearBlend:
{
UpdateOrientationBlend( GetTrainOrientationType(), pPrev, pNext, nextPos, flInterval );
break;
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Adjusts our angles as we hit each path track. This is for support of
// trains with wheels that round corners a la HL1 trains.
// FIXME: move into path_track, have the angles come back from LookAhead
//-----------------------------------------------------------------------------
void CFuncTrackTrain::UpdateOrientationAtPathTracks( CPathTrack *pPrev, CPathTrack *pNext, const Vector &nextPos, float flInterval )
{
if ( !m_ppath )
return;
Vector nextFront = GetLocalOrigin();
CPathTrack *pNextNode = NULL;
nextFront.z -= m_height;
if ( m_length > 0 )
{
m_ppath->LookAhead( nextFront, IsDirForward() ? m_length : -m_length, 0, &pNextNode );
}
else
{
m_ppath->LookAhead( nextFront, IsDirForward() ? 100 : -100, 0, &pNextNode );
}
nextFront.z += m_height;
Vector vecFaceDir = nextFront - GetLocalOrigin();
if ( !IsDirForward() )
{
vecFaceDir *= -1;
}
QAngle angles;
VectorAngles( vecFaceDir, angles );
// !!! All of this crap has to be done to make the angles not wrap around, revisit this.
FixupAngles( angles );
// Wrapped with this bool so we don't affect old trains
if ( m_bManualSpeedChanges )
{
if ( pNextNode && pNextNode->GetOrientationType() == TrackOrientation_FacePathAngles )
{
angles = pNextNode->GetOrientation( IsDirForward() );
}
}
QAngle curAngles = GetLocalAngles();
FixupAngles( curAngles );
if ( !pPrev || (vecFaceDir.x == 0 && vecFaceDir.y == 0) )
angles = curAngles;
DoUpdateOrientation( curAngles, angles, flInterval );
}
//-----------------------------------------------------------------------------
// Purpose: Blends our angles using one of two orientation blending types.
// ASSUMES that eOrientationType is either LinearBlend or EaseInEaseOut.
// FIXME: move into path_track, have the angles come back from LookAhead
//-----------------------------------------------------------------------------
void CFuncTrackTrain::UpdateOrientationBlend( TrainOrientationType_t eOrientationType, CPathTrack *pPrev, CPathTrack *pNext, const Vector &nextPos, float flInterval )
{
// Get the angles to blend from.
QAngle angPrev = pPrev->GetOrientation( IsDirForward() );
FixupAngles( angPrev );
// Get the angles to blend to.
QAngle angNext;
if ( pNext )
{
angNext = pNext->GetOrientation( IsDirForward() );
FixupAngles( angNext );
}
else
{
// At a dead end, just use the last path track's angles.
angNext = angPrev;
}
if ( m_spawnflags & SF_TRACKTRAIN_NOPITCH )
{
angNext[PITCH] = angPrev[PITCH];
}
// Calculate our parametric distance along the path segment from 0 to 1.
float p = 0;
if ( pPrev && ( angPrev != angNext ) )
{
Vector vecSegment = pNext->GetLocalOrigin() - pPrev->GetLocalOrigin();
float flSegmentLen = vecSegment.Length();
if ( flSegmentLen )
{
Vector vecCurOffset = GetLocalOrigin() - pPrev->GetLocalOrigin();
p = vecCurOffset.Length() / flSegmentLen;
}
}
if ( eOrientationType == TrainOrientation_EaseInEaseOut )
{
p = SimpleSplineRemapVal( p, 0.0f, 1.0f, 0.0f, 1.0f );
}
//Msg( "UpdateOrientationFacePathAngles: %s->%s, p=%f, ", pPrev->GetDebugName(), pNext->GetDebugName(), p );
Quaternion qtPrev;
Quaternion qtNext;
AngleQuaternion( angPrev, qtPrev );
AngleQuaternion( angNext, qtNext );
QAngle angNew = angNext;
float flAngleDiff = QuaternionAngleDiff( qtPrev, qtNext );
if ( flAngleDiff )
{
Quaternion qtNew;
QuaternionSlerp( qtPrev, qtNext, p, qtNew );
QuaternionAngles( qtNew, angNew );
}
if ( m_spawnflags & SF_TRACKTRAIN_NOPITCH )
{
angNew[PITCH] = angPrev[PITCH];
}
DoUpdateOrientation( GetLocalAngles(), angNew, flInterval );
}
//-----------------------------------------------------------------------------
// Purpose: Sets our angular velocity to approach the target angles over the given interval.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::DoUpdateOrientation( const QAngle &curAngles, const QAngle &angles, float flInterval )
{
float vy, vx;
if ( !(m_spawnflags & SF_TRACKTRAIN_NOPITCH) )
{
vx = UTIL_AngleDistance( angles.x, curAngles.x );
}
else
{
vx = 0;
}
vy = UTIL_AngleDistance( angles.y, curAngles.y );
// HACKHACK: Clamp really small angular deltas to avoid rotating movement on things
// that are close enough
if ( fabs(vx) < 0.1 )
{
vx = 0;
}
if ( fabs(vy) < 0.1 )
{
vy = 0;
}
if ( flInterval == 0 )
{
// Avoid dividing by zero
flInterval = 0.1;
}
QAngle vecAngVel( vx / flInterval, vy / flInterval, GetLocalAngularVelocity().z );
if ( m_flBank != 0 )
{
if ( vecAngVel.y < -5 )
{
vecAngVel.z = UTIL_AngleDistance( UTIL_ApproachAngle( -m_flBank, curAngles.z, m_flBank*2 ), curAngles.z);
}
else if ( vecAngVel.y > 5 )
{
vecAngVel.z = UTIL_AngleDistance( UTIL_ApproachAngle( m_flBank, curAngles.z, m_flBank*2 ), curAngles.z);
}
else
{
vecAngVel.z = UTIL_AngleDistance( UTIL_ApproachAngle( 0, curAngles.z, m_flBank*4 ), curAngles.z) * 4;
}
}
SetLocalAngularVelocity( vecAngVel );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : pTeleport -
//-----------------------------------------------------------------------------
void CFuncTrackTrain::TeleportToPathTrack( CPathTrack *pTeleport )
{
QAngle angCur = GetLocalAngles();
Vector nextPos = pTeleport->GetLocalOrigin();
Vector look = nextPos;
pTeleport->LookAhead( look, m_length, 0 );
QAngle nextAngles;
if ( HasSpawnFlags( SF_TRACKTRAIN_FIXED_ORIENTATION ) || ( look == nextPos ) )
{
nextAngles = GetLocalAngles();
}
else
{
nextAngles = pTeleport->GetOrientation( IsDirForward() );
if ( HasSpawnFlags( SF_TRACKTRAIN_NOPITCH ) )
{
nextAngles[PITCH] = angCur[PITCH];
}
}
Teleport( &pTeleport->GetLocalOrigin(), &nextAngles, NULL );
SetLocalAngularVelocity( vec3_angle );
variant_t emptyVariant;
pTeleport->AcceptInput( "InTeleport", this, this, emptyVariant, 0 );
}
//-----------------------------------------------------------------------------
// Purpose: Advances the train to the next path corner on the path.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::Next( void )
{
if ( !m_flSpeed )
{
DevMsg( 2, "TRAIN(%s): Speed is 0\n", GetDebugName() );
SoundStop();
return;
}
if ( !m_ppath )
{
DevMsg( 2, "TRAIN(%s): Lost path\n", GetDebugName() );
SoundStop();
m_flSpeed = 0;
return;
}
SoundUpdate();
//
// Based on our current position and speed, look ahead along our path and see
// where we should be in 0.1 seconds.
//
Vector nextPos = GetLocalOrigin();
float flSpeed = m_flSpeed;
nextPos.z -= m_height;
CPathTrack *pNextNext = NULL;
CPathTrack *pNext = m_ppath->LookAhead( nextPos, flSpeed * 0.1, 1, &pNextNext );
//Assert( pNext != NULL );
// If we're moving towards a dead end, but our desired speed goes in the opposite direction
// this fixes us from stalling
if ( m_bManualSpeedChanges && ( ( flSpeed < 0 ) != ( m_flDesiredSpeed < 0 ) ) )
{
if ( !pNext )
pNext = m_ppath;
}
if (m_debugOverlays & OVERLAY_BBOX_BIT)
{
if ( pNext != NULL )
{
NDebugOverlay::Line( GetAbsOrigin(), pNext->GetAbsOrigin(), 255, 0, 0, true, 0.1 );
NDebugOverlay::Line( pNext->GetAbsOrigin(), pNext->GetAbsOrigin() + Vector( 0,0,32), 255, 0, 0, true, 0.1 );
NDebugOverlay::Box( pNext->GetAbsOrigin(), Vector( -8, -8, -8 ), Vector( 8, 8, 8 ), 255, 0, 0, 0, 0.1 );
}
if ( pNextNext != NULL )
{
NDebugOverlay::Line( GetAbsOrigin(), pNextNext->GetAbsOrigin(), 0, 255, 0, true, 0.1 );
NDebugOverlay::Line( pNextNext->GetAbsOrigin(), pNextNext->GetAbsOrigin() + Vector( 0,0,32), 0, 255, 0, true, 0.1 );
NDebugOverlay::Box( pNextNext->GetAbsOrigin(), Vector( -8, -8, -8 ), Vector( 8, 8, 8 ), 0, 255, 0, 0, 0.1 );
}
}
nextPos.z += m_height;
// Trains *can* work in local space, but only if all elements of the track share
// the same move parent as the train.
Assert( !pNext || (pNext->GetMoveParent() == GetMoveParent()) );
if ( pNext )
{
UpdateTrainVelocity( pNext, pNextNext, nextPos, gpGlobals->frametime );
UpdateTrainOrientation( pNext, pNextNext, nextPos, gpGlobals->frametime );
if ( pNext != m_ppath )
{
//
// We have reached a new path track. Fire its OnPass output.
//
m_ppath = pNext;
ArriveAtNode( pNext );
#ifdef HL1_DLL
m_bOnTrackChange = false;
#endif
//
// See if we should teleport to the next path track.
//
CPathTrack *pTeleport = pNext->GetNext();
if ( ( pTeleport != NULL ) && pTeleport->HasSpawnFlags( SF_PATH_TELEPORT ) )
{
TeleportToPathTrack( pTeleport );
}
}
m_OnNext.FireOutput( pNext, this );
SetThink( &CFuncTrackTrain::Next );
SetMoveDoneTime( 0.5 );
SetNextThink( gpGlobals->curtime );
SetMoveDone( NULL );
}
else
{
//
// We've reached the end of the path, stop.
//
SoundStop();
SetLocalVelocity(nextPos - GetLocalOrigin());
SetLocalAngularVelocity( vec3_angle );
float distance = GetLocalVelocity().Length();
m_oldSpeed = m_flSpeed;
m_flSpeed = 0;
// Move to the dead end
// Are we there yet?
if ( distance > 0 )
{
// no, how long to get there?
float flTime = distance / fabs( m_oldSpeed );
SetLocalVelocity( GetLocalVelocity() * (m_oldSpeed / distance) );
SetMoveDone( &CFuncTrackTrain::DeadEnd );
SetNextThink( TICK_NEVER_THINK );
SetMoveDoneTime( flTime );
}
else
{
DeadEnd();
}
}
}
void CFuncTrackTrain::FirePassInputs( CPathTrack *pStart, CPathTrack *pEnd, bool forward )
{
CPathTrack *pCurrent = pStart;
// swap if going backward
if ( !forward )
{
pCurrent = pEnd;
pEnd = pStart;
}
variant_t emptyVariant;
while ( pCurrent && pCurrent != pEnd )
{
//Msg("Fired pass on %s\n", STRING(pCurrent->GetEntityName()) );
pCurrent->AcceptInput( "InPass", this, this, emptyVariant, 0 );
pCurrent = forward ? pCurrent->GetNext() : pCurrent->GetPrevious();
}
}
void CFuncTrackTrain::DeadEnd( void )
{
// Fire the dead-end target if there is one
CPathTrack *pTrack, *pNext;
pTrack = m_ppath;
DevMsg( 2, "TRAIN(%s): Dead end ", GetDebugName() );
// Find the dead end path node
// HACKHACK -- This is bugly, but the train can actually stop moving at a different node depending on it's speed
// so we have to traverse the list to it's end.
if ( pTrack )
{
if ( m_oldSpeed < 0 )
{
do
{
pNext = pTrack->ValidPath( pTrack->GetPrevious(), true );
if ( pNext )
pTrack = pNext;
} while ( pNext );
}
else
{
do
{
pNext = pTrack->ValidPath( pTrack->GetNext(), true );
if ( pNext )
pTrack = pNext;
} while ( pNext );
}
}
SetLocalVelocity( vec3_origin );
SetLocalAngularVelocity( vec3_angle );
if ( pTrack )
{
DevMsg( 2, "at %s\n", pTrack->GetDebugName() );
variant_t emptyVariant;
pTrack->AcceptInput( "InPass", this, this, emptyVariant, 0 );
}
else
{
DevMsg( 2, "\n" );
}
}
void CFuncTrackTrain::SetControls( CBaseEntity *pControls )
{
Vector offset = pControls->GetLocalOrigin();
m_controlMins = pControls->WorldAlignMins() + offset;
m_controlMaxs = pControls->WorldAlignMaxs() + offset;
}
//-----------------------------------------------------------------------------
// Purpose: Returns true if the entity's origin is within the controls region.
//-----------------------------------------------------------------------------
bool CFuncTrackTrain::OnControls( CBaseEntity *pTest )
{
Vector offset = pTest->GetLocalOrigin() - GetLocalOrigin();
if ( m_spawnflags & SF_TRACKTRAIN_NOCONTROL )
return false;
// Transform offset into local coordinates
VMatrix tmp = SetupMatrixAngles( GetLocalAngles() );
// rotate into local space
Vector local = tmp.VMul3x3Transpose( offset );
/*
NDebugOverlay::Box( GetLocalOrigin(), m_controlMins, m_controlMaxs,
255, 0, 0, 100, 5.0 );
NDebugOverlay::Box( GetLocalOrigin() + local, Vector(-5,-5,-5), Vector(5,5,5),
0, 0, 255, 100, 5.0 );
*/
if ( local.x >= m_controlMins.x && local.y >= m_controlMins.y && local.z >= m_controlMins.z &&
local.x <= m_controlMaxs.x && local.y <= m_controlMaxs.y && local.z <= m_controlMaxs.z )
return true;
return false;
}
void CFuncTrackTrain::Find( void )
{
m_ppath = (CPathTrack *)gEntList.FindEntityByName( NULL, m_target );
if ( !m_ppath )
return;
if ( !FClassnameIs( m_ppath, "path_track" )
#ifndef PORTAL //env_portal_path_track is a child of path_track and would like to get found
&& !FClassnameIs( m_ppath, "env_portal_path_track" )
#endif //#ifndef PORTAL
)
{
Warning( "func_track_train must be on a path of path_track\n" );
Assert(0);
m_ppath = NULL;
return;
}
Vector nextPos = m_ppath->GetLocalOrigin();
Vector look = nextPos;
m_ppath->LookAhead( look, m_length, 0 );
nextPos.z += m_height;
look.z += m_height;
QAngle nextAngles;
if ( HasSpawnFlags( SF_TRACKTRAIN_FIXED_ORIENTATION ) )
{
nextAngles = GetLocalAngles();
}
else
{
VectorAngles( look - nextPos, nextAngles );
if ( HasSpawnFlags( SF_TRACKTRAIN_NOPITCH ) )
{
nextAngles.x = 0;
}
}
Teleport( &nextPos, &nextAngles, NULL );
ArriveAtNode( m_ppath );
if ( m_flSpeed != 0 )
{
SetNextThink( gpGlobals->curtime + 0.1f );
SetThink( &CFuncTrackTrain::Next );
SoundUpdate();
}
}
void CFuncTrackTrain::NearestPath( void )
{
CBaseEntity *pTrack = NULL;
CBaseEntity *pNearest = NULL;
float dist, closest;
closest = 1024;
for ( CEntitySphereQuery sphere( GetAbsOrigin(), 1024 ); ( pTrack = sphere.GetCurrentEntity() ) != NULL; sphere.NextEntity() )
{
// filter out non-tracks
if ( !(pTrack->GetFlags() & (FL_CLIENT|FL_NPC)) && FClassnameIs( pTrack, "path_track" ) )
{
dist = (GetAbsOrigin() - pTrack->GetAbsOrigin()).Length();
if ( dist < closest )
{
closest = dist;
pNearest = pTrack;
}
}
}
if ( !pNearest )
{
Msg( "Can't find a nearby track !!!\n" );
SetThink(NULL);
return;
}
DevMsg( 2, "TRAIN: %s, Nearest track is %s\n", GetDebugName(), pNearest->GetDebugName() );
// If I'm closer to the next path_track on this path, then it's my real path
pTrack = ((CPathTrack *)pNearest)->GetNext();
if ( pTrack )
{
if ( (GetLocalOrigin() - pTrack->GetLocalOrigin()).Length() < (GetLocalOrigin() - pNearest->GetLocalOrigin()).Length() )
pNearest = pTrack;
}
m_ppath = (CPathTrack *)pNearest;
if ( m_flSpeed != 0 )
{
SetMoveDoneTime( 0.1 );
SetMoveDone( &CFuncTrackTrain::Next );
}
}
void CFuncTrackTrain::OnRestore( void )
{
BaseClass::OnRestore();
if ( !m_ppath
#ifdef HL1_DLL
&& !m_bOnTrackChange
#endif
)
{
NearestPath();
SetThink( NULL );
}
}
CFuncTrackTrain *CFuncTrackTrain::Instance( edict_t *pent )
{
CBaseEntity *pEntity = CBaseEntity::Instance( pent );
if ( FClassnameIs( pEntity, "func_tracktrain" ) )
return (CFuncTrackTrain *)pEntity;
return NULL;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CFuncTrackTrain::Spawn( void )
{
if ( m_maxSpeed == 0 )
{
if ( m_flSpeed == 0 )
{
m_maxSpeed = 100;
}
else
{
m_maxSpeed = m_flSpeed;
}
}
if ( m_nMoveSoundMinPitch == 0 )
{
m_nMoveSoundMinPitch = 60;
}
if ( m_nMoveSoundMaxPitch == 0 )
{
m_nMoveSoundMaxPitch = 200;
}
SetLocalVelocity(vec3_origin);
SetLocalAngularVelocity( vec3_angle );
m_dir = 1;
if ( !m_target )
{
Msg("FuncTrackTrain '%s' has no target.\n", GetDebugName());
}
SetModel( STRING( GetModelName() ) );
SetMoveType( MOVETYPE_PUSH );
#ifdef HL1_DLL
// BUGBUG: For now, just force this for testing. Remove if we want to tag all of the trains in the levels
SetSolid( SOLID_BSP );
#else
SetSolid( HasSpawnFlags( SF_TRACKTRAIN_HL1TRAIN ) ? SOLID_BSP : SOLID_VPHYSICS );
//SetSolid( SOLID_VPHYSICS );
#endif
if ( HasSpawnFlags( SF_TRACKTRAIN_UNBLOCKABLE_BY_PLAYER ) )
{
AddFlag( FL_UNBLOCKABLE_BY_PLAYER );
}
if ( m_spawnflags & SF_TRACKTRAIN_PASSABLE )
{
AddSolidFlags( FSOLID_NOT_SOLID );
}
m_controlMins = CollisionProp()->OBBMins();
m_controlMaxs = CollisionProp()->OBBMaxs();
m_controlMaxs.z += 72;
// start trains on the next frame, to make sure their targets have had
// a chance to spawn/activate
SetThink( &CFuncTrackTrain::Find );
SetNextThink( gpGlobals->curtime );
Precache();
CreateVPhysics();
}
bool CFuncTrackTrain::CreateVPhysics( void )
{
VPhysicsInitShadow( false, false );
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Precaches the train sounds.
//-----------------------------------------------------------------------------
void CFuncTrackTrain::Precache( void )
{
if (m_flVolume == 0.0)
{
m_flVolume = 1.0;
}
if ( m_iszSoundMove != NULL_STRING )
{
PrecacheScriptSound( STRING( m_iszSoundMove ) );
}
if ( m_iszSoundMovePing != NULL_STRING )
{
PrecacheScriptSound( STRING( m_iszSoundMovePing ) );
}
if ( m_iszSoundStart != NULL_STRING )
{
PrecacheScriptSound( STRING( m_iszSoundStart ) );
}
if ( m_iszSoundStop != NULL_STRING )
{
PrecacheScriptSound( STRING( m_iszSoundStop ) );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CFuncTrackTrain::UpdateOnRemove()
{
SoundStop();
BaseClass::UpdateOnRemove();
}
void CFuncTrackTrain::MoveDone()
{
m_lastBlockPos.Init();
m_lastBlockTick = -1;
BaseClass::MoveDone();
}
int CFuncTrackTrain::OnTakeDamage( const CTakeDamageInfo &info )
{
if ( m_bDamageChild )
{
if ( FirstMoveChild() )
{
FirstMoveChild()->TakeDamage( info );
}
return 0;
}
else
{
return BaseClass::OnTakeDamage( info );
}
}
//-----------------------------------------------------------------------------
// Purpose: Defines the volume of space that the player must stand in to
// control the train
//-----------------------------------------------------------------------------
class CFuncTrainControls : public CBaseEntity
{
DECLARE_CLASS( CFuncTrainControls, CBaseEntity );
public:
void Spawn( void );
void Find( void );
DECLARE_DATADESC();
};
BEGIN_DATADESC( CFuncTrainControls )
// Function Pointers
DEFINE_FUNCTION( Find ),
END_DATADESC()
LINK_ENTITY_TO_CLASS( func_traincontrols, CFuncTrainControls );
void CFuncTrainControls::Find( void )
{
CBaseEntity *pTarget = NULL;
do
{
pTarget = gEntList.FindEntityByName( pTarget, m_target );
} while ( pTarget && !FClassnameIs(pTarget, "func_tracktrain") );
if ( !pTarget )
{
Msg( "No train %s\n", STRING(m_target) );
return;
}
CFuncTrackTrain *ptrain = (CFuncTrackTrain*) pTarget;
ptrain->SetControls( this );
SetThink( NULL );
}
void CFuncTrainControls::Spawn( void )
{
SetSolid( SOLID_NONE );
SetMoveType( MOVETYPE_NONE );
SetModel( STRING( GetModelName() ) );
AddEffects( EF_NODRAW );
Assert( GetParent() && "func_traincontrols needs parent to properly align to train" );
SetThink( &CFuncTrainControls::Find );
SetNextThink( gpGlobals->curtime );
}
#define SF_TRACK_ACTIVATETRAIN 0x00000001
#define SF_TRACK_RELINK 0x00000002
#define SF_TRACK_ROTMOVE 0x00000004
#define SF_TRACK_STARTBOTTOM 0x00000008
#define SF_TRACK_DONT_MOVE 0x00000010
typedef enum { TRAIN_SAFE, TRAIN_BLOCKING, TRAIN_FOLLOWING } TRAIN_CODE;
//-----------------------------------------------------------------------------
// This entity is a rotating/moving platform that will carry a train to a new track.
// It must be larger in X-Y planar area than the train, since it must contain the
// train within these dimensions in order to operate when the train is near it.
//-----------------------------------------------------------------------------
class CFuncTrackChange : public CFuncPlatRot
{
DECLARE_CLASS( CFuncTrackChange, CFuncPlatRot );
public:
void Spawn( void );
void Precache( void );
// virtual void Blocked( void );
virtual void GoUp( void );
virtual void GoDown( void );
void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
void Find( void );
TRAIN_CODE EvaluateTrain( CPathTrack *pcurrent );
void UpdateTrain( QAngle &dest );
virtual void HitBottom( void );
virtual void HitTop( void );
void Touch( CBaseEntity *pOther );
virtual void UpdateAutoTargets( int toggleState );
virtual bool IsTogglePlat( void ) { return true; }
void DisableUse( void ) { m_use = 0; }
void EnableUse( void ) { m_use = 1; }
int UseEnabled( void ) { return m_use; }
DECLARE_DATADESC();
CPathTrack *m_trackTop;
CPathTrack *m_trackBottom;
CFuncTrackTrain *m_train;
string_t m_trackTopName;
string_t m_trackBottomName;
string_t m_trainName;
TRAIN_CODE m_code;
int m_targetState;
int m_use;
};
LINK_ENTITY_TO_CLASS( func_trackchange, CFuncTrackChange );
BEGIN_DATADESC( CFuncTrackChange )
DEFINE_GLOBAL_FIELD( m_trackTop, FIELD_CLASSPTR ),
DEFINE_GLOBAL_FIELD( m_trackBottom, FIELD_CLASSPTR ),
DEFINE_GLOBAL_FIELD( m_train, FIELD_CLASSPTR ),
DEFINE_GLOBAL_KEYFIELD( m_trackTopName, FIELD_STRING, "toptrack" ),
DEFINE_GLOBAL_KEYFIELD( m_trackBottomName, FIELD_STRING, "bottomtrack" ),
DEFINE_GLOBAL_KEYFIELD( m_trainName, FIELD_STRING, "train" ),
DEFINE_FIELD( m_code, FIELD_INTEGER ),
DEFINE_FIELD( m_targetState, FIELD_INTEGER ),
DEFINE_FIELD( m_use, FIELD_INTEGER ),
// Function Pointers
DEFINE_FUNCTION( Find ),
END_DATADESC()
void CFuncTrackChange::Spawn( void )
{
Setup();
if ( FBitSet( m_spawnflags, SF_TRACK_DONT_MOVE ) )
m_vecPosition2.z = GetLocalOrigin().z;
SetupRotation();
if ( FBitSet( m_spawnflags, SF_TRACK_STARTBOTTOM ) )
{
UTIL_SetOrigin( this, m_vecPosition2);
m_toggle_state = TS_AT_BOTTOM;
SetLocalAngles( m_start );
m_targetState = TS_AT_TOP;
}
else
{
UTIL_SetOrigin( this, m_vecPosition1);
m_toggle_state = TS_AT_TOP;
SetLocalAngles( m_end );
m_targetState = TS_AT_BOTTOM;
}
EnableUse();
SetThink( &CFuncTrackChange::Find );
SetNextThink( gpGlobals->curtime + 2 );
Precache();
}
void CFuncTrackChange::Precache( void )
{
BaseClass::Precache();
PrecacheScriptSound( "FuncTrackChange.Blocking" );
}
// UNDONE: Filter touches before re-evaluating the train.
void CFuncTrackChange::Touch( CBaseEntity *pOther )
{
}
void CFuncTrackChange::Find( void )
{
// Find track entities
CBaseEntity *target;
target = gEntList.FindEntityByName( NULL, m_trackTopName );
if ( target )
{
m_trackTop = (CPathTrack*) target;
target = gEntList.FindEntityByName( NULL, m_trackBottomName );
if ( target )
{
m_trackBottom = (CPathTrack*) target;
target = gEntList.FindEntityByName( NULL, m_trainName );
if ( target )
{
m_train = (CFuncTrackTrain *)gEntList.FindEntityByName( NULL, m_trainName );
if ( !m_train )
{
Warning( "Can't find train for track change! %s\n", STRING(m_trainName) );
Assert(0);
return;
}
Vector center = WorldSpaceCenter();
m_trackBottom = m_trackBottom->Nearest( center );
m_trackTop = m_trackTop->Nearest( center );
UpdateAutoTargets( m_toggle_state );
SetThink( NULL );
return;
}
else
{
Warning( "Can't find train for track change! %s\n", STRING(m_trainName) );
Assert(0);
target = gEntList.FindEntityByName( NULL, m_trainName );
}
}
else
{
Warning( "Can't find bottom track for track change! %s\n", STRING(m_trackBottomName) );
Assert(0);
}
}
else
{
Warning( "Can't find top track for track change! %s\n", STRING(m_trackTopName) );
Assert(0);
}
}
TRAIN_CODE CFuncTrackChange::EvaluateTrain( CPathTrack *pcurrent )
{
// Go ahead and work, we don't have anything to switch, so just be an elevator
if ( !pcurrent || !m_train )
return TRAIN_SAFE;
if ( m_train->m_ppath == pcurrent || (pcurrent->m_pprevious && m_train->m_ppath == pcurrent->m_pprevious) ||
(pcurrent->m_pnext && m_train->m_ppath == pcurrent->m_pnext) )
{
if ( m_train->m_flSpeed != 0 )
return TRAIN_BLOCKING;
Vector dist = GetLocalOrigin() - m_train->GetLocalOrigin();
float length = dist.Length2D();
if ( length < m_train->m_length ) // Empirically determined close distance
return TRAIN_FOLLOWING;
else if ( length > (150 + m_train->m_length) )
return TRAIN_SAFE;
return TRAIN_BLOCKING;
}
return TRAIN_SAFE;
}
void CFuncTrackChange::UpdateTrain( QAngle &dest )
{
float time = GetMoveDoneTime();
m_train->SetAbsVelocity( GetAbsVelocity() );
m_train->SetLocalAngularVelocity( GetLocalAngularVelocity() );
m_train->SetMoveDoneTime( time );
// Attempt at getting the train to rotate properly around the origin of the trackchange
if ( time <= 0 )
return;
Vector offset = m_train->GetLocalOrigin() - GetLocalOrigin();
QAngle delta = dest - GetLocalAngles();
// Transform offset into local coordinates
Vector forward, right, up;
AngleVectorsTranspose( delta, &forward, &right, &up );
Vector local;
local.x = DotProduct( offset, forward );
local.y = DotProduct( offset, right );
local.z = DotProduct( offset, up );
local = local - offset;
m_train->SetAbsVelocity( GetAbsVelocity() + (local * (1.0/time)) );
}
void CFuncTrackChange::GoDown( void )
{
if ( m_code == TRAIN_BLOCKING )
return;
// HitBottom may get called during CFuncPlat::GoDown(), so set up for that
// before you call GoDown()
UpdateAutoTargets( TS_GOING_DOWN );
// If ROTMOVE, move & rotate
if ( FBitSet( m_spawnflags, SF_TRACK_DONT_MOVE ) )
{
SetMoveDone( &CFuncTrackChange::CallHitBottom );
m_toggle_state = TS_GOING_DOWN;
AngularMove( m_start, m_flSpeed );
}
else
{
BaseClass::GoDown();
SetMoveDone( &CFuncTrackChange::CallHitBottom );
RotMove( m_start, GetMoveDoneTime() );
}
// Otherwise, rotate first, move second
// If the train is moving with the platform, update it
if ( m_code == TRAIN_FOLLOWING )
{
UpdateTrain( m_start );
m_train->m_ppath = NULL;
#ifdef HL1_DLL
m_train->m_bOnTrackChange = true;
#endif
}
}
//
// Platform is at bottom, now starts moving up
//
void CFuncTrackChange::GoUp( void )
{
if ( m_code == TRAIN_BLOCKING )
return;
// HitTop may get called during CFuncPlat::GoUp(), so set up for that
// before you call GoUp();
UpdateAutoTargets( TS_GOING_UP );
if ( FBitSet( m_spawnflags, SF_TRACK_DONT_MOVE ) )
{
m_toggle_state = TS_GOING_UP;
SetMoveDone( &CFuncTrackChange::CallHitTop );
AngularMove( m_end, m_flSpeed );
}
else
{
// If ROTMOVE, move & rotate
BaseClass::GoUp();
SetMoveDone( &CFuncTrackChange::CallHitTop );
RotMove( m_end, GetMoveDoneTime() );
}
// Otherwise, move first, rotate second
// If the train is moving with the platform, update it
if ( m_code == TRAIN_FOLLOWING )
{
UpdateTrain( m_end );
m_train->m_ppath = NULL;
}
}
//-----------------------------------------------------------------------------
// Purpose: Normal track change
// Input : toggleState -
//-----------------------------------------------------------------------------
void CFuncTrackChange::UpdateAutoTargets( int toggleState )
{
if ( !m_trackTop || !m_trackBottom )
return;
if ( toggleState == TS_AT_TOP )
{
m_trackTop->RemoveSpawnFlags( SF_PATH_DISABLED );
}
else
{
m_trackTop->AddSpawnFlags( SF_PATH_DISABLED );
}
if ( toggleState == TS_AT_BOTTOM )
{
m_trackBottom->RemoveSpawnFlags( SF_PATH_DISABLED );
}
else
{
m_trackBottom->AddSpawnFlags( SF_PATH_DISABLED );
}
}
void CFuncTrackChange::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
if ( m_toggle_state != TS_AT_TOP && m_toggle_state != TS_AT_BOTTOM )
return;
// If train is in "safe" area, but not on the elevator, play alarm sound
if ( m_toggle_state == TS_AT_TOP )
m_code = EvaluateTrain( m_trackTop );
else if ( m_toggle_state == TS_AT_BOTTOM )
m_code = EvaluateTrain( m_trackBottom );
else
m_code = TRAIN_BLOCKING;
if ( m_code == TRAIN_BLOCKING )
{
// Play alarm and return
EmitSound( "FuncTrackChange.Blocking" );
return;
}
// Otherwise, it's safe to move
// If at top, go down
// at bottom, go up
DisableUse();
if (m_toggle_state == TS_AT_TOP)
GoDown();
else
GoUp();
}
//
// Platform has hit bottom. Stops and waits forever.
//
void CFuncTrackChange::HitBottom( void )
{
BaseClass::HitBottom();
if ( m_code == TRAIN_FOLLOWING )
{
// UpdateTrain();
m_train->SetTrack( m_trackBottom );
}
SetMoveDone( NULL );
SetMoveDoneTime( -1 );
UpdateAutoTargets( m_toggle_state );
EnableUse();
}
//
// Platform has hit bottom. Stops and waits forever.
//
void CFuncTrackChange::HitTop( void )
{
BaseClass::HitTop();
if ( m_code == TRAIN_FOLLOWING )
{
// UpdateTrain();
m_train->SetTrack( m_trackTop );
}
// Don't let the plat go back down
SetMoveDone( NULL );
SetMoveDoneTime( -1 );
UpdateAutoTargets( m_toggle_state );
EnableUse();
}
class CFuncTrackAuto : public CFuncTrackChange
{
DECLARE_CLASS( CFuncTrackAuto, CFuncTrackChange );
public:
void Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value );
virtual void UpdateAutoTargets( int toggleState );
void TriggerTrackChange( inputdata_t &inputdata );
DECLARE_DATADESC();
};
BEGIN_DATADESC( CFuncTrackAuto )
DEFINE_INPUTFUNC( FIELD_VOID, "Trigger", TriggerTrackChange ),
END_DATADESC()
LINK_ENTITY_TO_CLASS( func_trackautochange, CFuncTrackAuto );
// Auto track change
void CFuncTrackAuto::UpdateAutoTargets( int toggleState )
{
CPathTrack *pTarget, *pNextTarget;
if ( !m_trackTop || !m_trackBottom )
return;
if ( m_targetState == TS_AT_TOP )
{
pTarget = m_trackTop->GetNext();
pNextTarget = m_trackBottom->GetNext();
}
else
{
pTarget = m_trackBottom->GetNext();
pNextTarget = m_trackTop->GetNext();
}
if ( pTarget )
{
pTarget->RemoveSpawnFlags( SF_PATH_DISABLED );
if ( m_code == TRAIN_FOLLOWING && m_train && m_train->m_flSpeed == 0 )
{
m_train->SetSpeed( pTarget->m_flSpeed );
m_train->Use( this, this, USE_SET, 0 );
}
}
if ( pNextTarget )
{
pNextTarget->AddSpawnFlags( SF_PATH_DISABLED );
}
}
void CFuncTrackAuto::TriggerTrackChange ( inputdata_t &inputdata )
{
CPathTrack *pTarget;
if ( !UseEnabled() )
return;
if ( m_toggle_state == TS_AT_TOP )
pTarget = m_trackTop;
else if ( m_toggle_state == TS_AT_BOTTOM )
pTarget = m_trackBottom;
else
pTarget = NULL;
if ( inputdata.pActivator && FClassnameIs( inputdata.pActivator, "func_tracktrain" ) )
{
m_code = EvaluateTrain( pTarget );
// Safe to fire?
if ( m_code == TRAIN_FOLLOWING && m_toggle_state != m_targetState )
{
DisableUse();
if (m_toggle_state == TS_AT_TOP)
GoDown();
else
GoUp();
}
}
else
{
if ( pTarget )
pTarget = pTarget->GetNext();
if ( pTarget && m_train->m_ppath != pTarget && ShouldToggle( USE_TOGGLE, m_targetState ) )
{
if ( m_targetState == TS_AT_TOP )
m_targetState = TS_AT_BOTTOM;
else
m_targetState = TS_AT_TOP;
}
UpdateAutoTargets( m_targetState );
}
}
void CFuncTrackAuto::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
CPathTrack *pTarget;
if ( !UseEnabled() )
return;
if ( m_toggle_state == TS_AT_TOP )
pTarget = m_trackTop;
else if ( m_toggle_state == TS_AT_BOTTOM )
pTarget = m_trackBottom;
else
pTarget = NULL;
if ( FClassnameIs( pActivator, "func_tracktrain" ) )
{
m_code = EvaluateTrain( pTarget );
// Safe to fire?
if ( m_code == TRAIN_FOLLOWING && m_toggle_state != m_targetState )
{
DisableUse();
if (m_toggle_state == TS_AT_TOP)
GoDown();
else
GoUp();
}
}
else
{
if ( pTarget )
pTarget = pTarget->GetNext();
if ( pTarget && m_train->m_ppath != pTarget && ShouldToggle( useType, m_targetState ) )
{
if ( m_targetState == TS_AT_TOP )
m_targetState = TS_AT_BOTTOM;
else
m_targetState = TS_AT_TOP;
}
UpdateAutoTargets( m_targetState );
}
}