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.
342 Commits
25 Branches
6 Tags
221 MiB
Tree: a7611c481e
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from 'a7611c481e'
${ noResults }
source-engine/game/server/hl2/cbasehelicopter.cpp

1598 lines
46 KiB
Raw Normal View History Unescape

1
5 years ago
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Base class for helicopters & helicopter-type vehicles
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "ai_network.h"
#include "ai_default.h"
#include "ai_schedule.h"
#include "ai_hull.h"
#include "ai_node.h"
#include "ai_task.h"
#include "ai_senses.h"
#include "ai_memory.h"
#include "entitylist.h"
#include "soundenvelope.h"
#include "gamerules.h"
#include "grenade_homer.h"
#include "ndebugoverlay.h"
#include "cbasehelicopter.h"
#include "soundflags.h"
#include "rope.h"
#include "saverestore_utlvector.h"
#include "collisionutils.h"
#include "coordsize.h"
#include "effects.h"
#include "rotorwash.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
void ExpandBBox(Vector &vecMins, Vector &vecMaxs);
#if 0
virtual void NullThink( void );
#endif //0
#define HELICOPTER_THINK_INTERVAL 0.1
#define HELICOPTER_ROTORWASH_THINK_INTERVAL 0.01
#define BASECHOPPER_DEBUG_WASH 1
ConVar g_debug_basehelicopter( "g_debug_basehelicopter", "0", FCVAR_CHEAT );
//---------------------------------------------------------
//---------------------------------------------------------
// TODOs
//
// -Member function: CHANGE MOVE GOAL
//
// -Member function: GET GRAVITY (or GetMaxThrust)
//
//---------------------------------------------------------
//---------------------------------------------------------
static const char *s_pRotorWashThinkContext = "RotorWashThink";
static const char *s_pDelayedKillThinkContext = "DelayedKillThink";
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
BEGIN_DATADESC_NO_BASE( washentity_t )
DEFINE_FIELD( hEntity, FIELD_EHANDLE ),
DEFINE_FIELD( flWashStartTime, FIELD_TIME ),
END_DATADESC()
BEGIN_DATADESC( CBaseHelicopter )
DEFINE_THINKFUNC( HelicopterThink ),
DEFINE_THINKFUNC( RotorWashThink ),
DEFINE_THINKFUNC( CallDyingThink ),
DEFINE_THINKFUNC( DelayedKillThink ),
DEFINE_ENTITYFUNC( CrashTouch ),
DEFINE_ENTITYFUNC( FlyTouch ),
DEFINE_SOUNDPATCH( m_pRotorSound ),
DEFINE_SOUNDPATCH( m_pRotorBlast ),
DEFINE_FIELD( m_flForce, FIELD_FLOAT ),
DEFINE_FIELD( m_fHelicopterFlags, FIELD_INTEGER),
DEFINE_FIELD( m_vecDesiredFaceDir, FIELD_VECTOR ),
DEFINE_FIELD( m_flLastSeen, FIELD_TIME ),
DEFINE_FIELD( m_flPrevSeen, FIELD_TIME ),
// DEFINE_FIELD( m_iSoundState, FIELD_INTEGER ), // Don't save, precached
DEFINE_FIELD( m_vecTargetPosition, FIELD_POSITION_VECTOR ),
DEFINE_FIELD( m_hRotorWash, FIELD_EHANDLE ),
DEFINE_FIELD( m_flMaxSpeed, FIELD_FLOAT ),
DEFINE_FIELD( m_flMaxSpeedFiring, FIELD_FLOAT ),
DEFINE_FIELD( m_flGoalSpeed, FIELD_FLOAT ),
DEFINE_KEYFIELD( m_flInitialSpeed, FIELD_FLOAT, "InitialSpeed" ),
DEFINE_FIELD( m_flRandomOffsetTime, FIELD_TIME ),
DEFINE_FIELD( m_vecRandomOffset, FIELD_VECTOR ),
DEFINE_FIELD( m_flRotorWashEntitySearchTime, FIELD_TIME ),
DEFINE_FIELD( m_bSuppressSound, FIELD_BOOLEAN ),
DEFINE_FIELD( m_flStartupTime, FIELD_TIME ),
DEFINE_FIELD( m_cullBoxMins, FIELD_VECTOR ),
DEFINE_FIELD( m_cullBoxMaxs, FIELD_VECTOR ),
DEFINE_UTLVECTOR( m_hEntitiesPushedByWash, FIELD_EMBEDDED ),
// Inputs
DEFINE_INPUTFUNC( FIELD_VOID, "Activate", InputActivate),
DEFINE_INPUTFUNC( FIELD_VOID, "GunOn", InputGunOn ),
DEFINE_INPUTFUNC( FIELD_VOID, "GunOff", InputGunOff ),
DEFINE_INPUTFUNC( FIELD_VOID, "MissileOn", InputMissileOn ),
DEFINE_INPUTFUNC( FIELD_VOID, "MissileOff", InputMissileOff ),
DEFINE_INPUTFUNC( FIELD_VOID, "EnableRotorWash", InputEnableRotorWash ),
DEFINE_INPUTFUNC( FIELD_VOID, "DisableRotorWash", InputDisableRotorWash ),
DEFINE_INPUTFUNC( FIELD_VOID, "MoveTopSpeed", InputMoveTopSpeed ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "MoveSpecifiedSpeed", InputMoveSpecifiedSpeed ),
DEFINE_INPUTFUNC( FIELD_STRING, "SetAngles", InputSetAngles ),
DEFINE_INPUTFUNC( FIELD_VOID, "EnableRotorSound", InputEnableRotorSound ),
DEFINE_INPUTFUNC( FIELD_VOID, "DisableRotorSound", InputDisableRotorSound ),
DEFINE_INPUTFUNC( FIELD_VOID, "Kill", InputKill ),
END_DATADESC()
IMPLEMENT_SERVERCLASS_ST( CBaseHelicopter, DT_BaseHelicopter )
SendPropTime( SENDINFO( m_flStartupTime ) ),
END_SEND_TABLE()
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CBaseHelicopter::CBaseHelicopter( void )
{
m_cullBoxMins = vec3_origin;
m_cullBoxMaxs = vec3_origin;
m_hRotorWash = NULL;
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
// Notes : Have your derived Helicopter's Spawn() function call this one FIRST
//------------------------------------------------------------------------------
void CBaseHelicopter::Precache( void )
{
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
// Notes : Have your derived Helicopter's Spawn() function call this one FIRST
//------------------------------------------------------------------------------
void CBaseHelicopter::Spawn( void )
{
Precache( );
SetSolid( SOLID_BBOX );
SetMoveType( MOVETYPE_STEP );
AddFlag( FL_FLY );
SetState( NPC_STATE_IDLE );
m_lifeState = LIFE_ALIVE;
// motor
//******
// All of this stuff is specific to the individual type of aircraft. Handle it yourself.
//******
// m_iAmmoType = g_pGameRules->GetAmmoDef()->Index("AR2");
// SetModel( "models/attack_helicopter.mdl" );
// UTIL_SetSize( this, Vector( -32, -32, -64 ), Vector( 32, 32, 0 ) );
// UTIL_SetOrigin( this, GetLocalOrigin() );
// m_iHealth = 100;
// m_flFieldOfView = -0.707; // 270 degrees
// InitBoneControllers();
// m_iRockets = 10;
// Get the rotor sound started up.
// This base class assumes the helicopter has no guns or missiles.
// Set the appropriate flags in your derived class' Spawn() function.
m_fHelicopterFlags &= ~BITS_HELICOPTER_MISSILE_ON;
m_fHelicopterFlags &= ~BITS_HELICOPTER_GUN_ON;
m_pRotorSound = NULL;
m_pRotorBlast = NULL;
SetCycle( 0 );
ResetSequenceInfo();
AddFlag( FL_NPC );
m_flMaxSpeed = BASECHOPPER_MAX_SPEED;
m_flMaxSpeedFiring = BASECHOPPER_MAX_FIRING_SPEED;
m_takedamage = DAMAGE_AIM;
// Don't start up if the level designer has asked the
// helicopter to start disabled.
if ( !(m_spawnflags & SF_AWAITINPUT) )
{
Startup();
SetNextThink( gpGlobals->curtime + 1.0f );
}
else
{
m_flStartupTime = FLT_MAX;
}
InitPathingData( 0, BASECHOPPER_MIN_CHASE_DIST_DIFF, BASECHOPPER_AVOID_DIST );
// Setup collision hull
ExpandBBox( m_cullBoxMins, m_cullBoxMaxs );
CollisionProp()->SetSurroundingBoundsType( USE_SPECIFIED_BOUNDS, &m_cullBoxMins, &m_cullBoxMaxs );
AddSolidFlags( FSOLID_CUSTOMRAYTEST | FSOLID_CUSTOMBOXTEST );
m_flRandomOffsetTime = -1.0f;
m_vecRandomOffset.Init( 0, 0, 0 );
}
//------------------------------------------------------------------------------
// Cleanup
//------------------------------------------------------------------------------
void CBaseHelicopter::UpdateOnRemove()
{
StopRotorWash();
BaseClass::UpdateOnRemove();
}
//------------------------------------------------------------------------------
// Gets the max speed of the helicopter
//------------------------------------------------------------------------------
float CBaseHelicopter::GetMaxSpeed()
{
// If our last path_track has specified a speed, use that instead of ours
if ( GetPathMaxSpeed() )
return GetPathMaxSpeed();
return m_flMaxSpeed;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
float CBaseHelicopter::GetMaxSpeedFiring()
{
// If our last path_track has specified a speed, use that instead of ours
if ( GetPathMaxSpeed() )
return GetPathMaxSpeed();
return m_flMaxSpeedFiring;
}
//------------------------------------------------------------------------------
// Enemy methods
//------------------------------------------------------------------------------
bool CBaseHelicopter::GetTrackPatherTarget( Vector *pPos )
{
if ( GetEnemy() )
{
*pPos = GetEnemy()->BodyTarget( GetAbsOrigin(), false );
return true;
}
return false;
}
CBaseEntity *CBaseHelicopter::GetTrackPatherTargetEnt()
{
return GetEnemy();
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
bool CBaseHelicopter::FireGun( void )
{
return true;
}
//------------------------------------------------------------------------------
// Purpose : The main think function for the helicopters
// Input :
// Output :
//------------------------------------------------------------------------------
void CBaseHelicopter::HelicopterThink( void )
{
CheckPVSCondition();
SetNextThink( gpGlobals->curtime + HELICOPTER_THINK_INTERVAL );
// Don't keep this around for more than one frame.
ClearCondition( COND_ENEMY_DEAD );
// Animate and dispatch animation events.
StudioFrameAdvance( );
DispatchAnimEvents( this );
PrescheduleThink();
if ( IsMarkedForDeletion() )
return;
ShowDamage( );
// -----------------------------------------------
// If AI is disabled, kill any motion and return
// -----------------------------------------------
if (CAI_BaseNPC::m_nDebugBits & bits_debugDisableAI)
{
SetAbsVelocity( vec3_origin );
SetLocalAngularVelocity( vec3_angle );
SetNextThink( gpGlobals->curtime + HELICOPTER_THINK_INTERVAL );
return;
}
Hunt();
// Finally, forget dead enemies, or ones we've been told to ignore.
if( GetEnemy() != NULL && (!GetEnemy()->IsAlive() || GetEnemy()->GetFlags() & FL_NOTARGET || IRelationType( GetEnemy() ) == D_NU ) )
{
SetEnemy( NULL );
}
HelicopterPostThink();
}
//-----------------------------------------------------------------------------
// Rotor wash think
//-----------------------------------------------------------------------------
void CBaseHelicopter::RotorWashThink( void )
{
if ( m_lifeState == LIFE_ALIVE || m_lifeState == LIFE_DYING )
{
DrawRotorWash( BASECHOPPER_WASH_ALTITUDE, GetAbsOrigin() );
SetContextThink( &CBaseHelicopter::RotorWashThink, gpGlobals->curtime + HELICOPTER_ROTORWASH_THINK_INTERVAL, s_pRotorWashThinkContext );
}
else
{
SetContextThink( NULL, gpGlobals->curtime, s_pRotorWashThinkContext );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CBaseHelicopter::DrawRotorWash( float flAltitude, const Vector &vecRotorOrigin )
{
// Shake any ropes nearby
if ( random->RandomInt( 0, 2 ) == 0 )
{
CRopeKeyframe::ShakeRopes( GetAbsOrigin(), flAltitude, 128 );
}
if ( m_spawnflags & SF_NOROTORWASH )
return;
DoRotorPhysicsPush( vecRotorOrigin, flAltitude );
if ( m_flRotorWashEntitySearchTime > gpGlobals->curtime )
return;
// Only push every half second
m_flRotorWashEntitySearchTime = gpGlobals->curtime + 0.5f;
}
//-----------------------------------------------------------------------------
// Purpose: Push an airboat in our wash
//-----------------------------------------------------------------------------
#define MAX_AIRBOAT_ROLL_ANGLE 20.0f
#define MAX_AIRBOAT_ROLL_COSANGLE 0.866f
#define MAX_AIRBOAT_ROLL_COSANGLE_X2 0.5f
void CBaseHelicopter::DoWashPushOnAirboat( CBaseEntity *pAirboat,
const Vector &vecWashToAirboat, float flWashAmount )
{
// For the airboat, simply produce a small roll and a push outwards.
// But don't produce a roll if we're too rolled in that direction already.
// Get the actual up direction vector
Vector vecUp;
pAirboat->GetVectors( NULL, NULL, &vecUp );
if ( vecUp.z < MAX_AIRBOAT_ROLL_COSANGLE )
return;
// Compute roll direction so that we get pushed down on the side where the rotor wash is.
Vector vecRollNormal;
CrossProduct( vecWashToAirboat, Vector( 0, 0, 1 ), vecRollNormal );
// Project it into the plane of the roll normal
VectorMA( vecUp, -DotProduct( vecUp, vecRollNormal ), vecRollNormal, vecUp );
VectorNormalize( vecUp );
// Compute a vector which is the max direction we can roll given the roll constraint
Vector vecExtremeUp;
VMatrix rot;
MatrixBuildRotationAboutAxis( rot, vecRollNormal, MAX_AIRBOAT_ROLL_ANGLE );
MatrixGetColumn( rot, 2, &vecExtremeUp );
// Find the angle between how vertical we are and how vertical we should be
float flCosDelta = DotProduct( vecExtremeUp, vecUp );
float flDelta = acos(flCosDelta) * 180.0f / M_PI;
flDelta = clamp( flDelta, 0.0f, MAX_AIRBOAT_ROLL_ANGLE );
flDelta = SimpleSplineRemapVal( flDelta, 0.0f, MAX_AIRBOAT_ROLL_ANGLE, 0.0f, 1.0f );
float flForce = 12.0f * flWashAmount * flDelta;
Vector vecWashOrigin;
Vector vecForce;
VectorMultiply( Vector( 0, 0, -1 ), flForce, vecForce );
VectorMA( pAirboat->GetAbsOrigin(), -200.0f, vecWashToAirboat, vecWashOrigin );
pAirboat->VPhysicsTakeDamage( CTakeDamageInfo( this, this, vecForce, vecWashOrigin, flWashAmount, DMG_BLAST ) );
}
//-----------------------------------------------------------------------------
// Purpose: Push a physics object in our wash. Return false if it's now out of our wash
//-----------------------------------------------------------------------------
bool CBaseHelicopter::DoWashPush( washentity_t *pWash, const Vector &vecWashOrigin )
{
if ( !pWash || !pWash->hEntity.Get() )
return false;
// Make sure the entity is still within our wash's radius
CBaseEntity *pEntity = pWash->hEntity;
// This can happen because we can dynamically turn this flag on and off
if ( pEntity->IsEFlagSet( EFL_NO_ROTORWASH_PUSH ))
return false;
Vector vecSpot = pEntity->BodyTarget( vecWashOrigin );
Vector vecToSpot = ( vecSpot - vecWashOrigin );
vecToSpot.z = 0;
float flDist = VectorNormalize( vecToSpot );
if ( flDist > BASECHOPPER_WASH_RADIUS )
return false;
IRotorWashShooter *pShooter = GetRotorWashShooter( pEntity );
IPhysicsObject *pPhysObject;
float flPushTime = (gpGlobals->curtime - pWash->flWashStartTime);
flPushTime = clamp( flPushTime, 0, BASECHOPPER_WASH_RAMP_TIME );
float flWashAmount = RemapVal( flPushTime, 0, BASECHOPPER_WASH_RAMP_TIME, BASECHOPPER_WASH_PUSH_MIN, BASECHOPPER_WASH_PUSH_MAX );
if ( pShooter )
{
Vector vecForce = (0.015f / 0.1f) * flWashAmount * vecToSpot * phys_pushscale.GetFloat();
pEntity = pShooter->DoWashPush( pWash->flWashStartTime, vecForce );
if ( !pEntity )
return true;
washentity_t Wash;
Wash.hEntity = pEntity;
Wash.flWashStartTime = pWash->flWashStartTime;
int i = m_hEntitiesPushedByWash.AddToTail( Wash );
pWash = &m_hEntitiesPushedByWash[i];
pPhysObject = pEntity->VPhysicsGetObject();
if ( !pPhysObject )
return true;
}
else
{
// Airboat gets special treatment
if ( FClassnameIs( pEntity, "prop_vehicle_airboat" ) )
{
DoWashPushOnAirboat( pEntity, vecToSpot, flWashAmount );
return true;
}
pPhysObject = pEntity->VPhysicsGetObject();
if ( !pPhysObject )
return false;
}
// Push it away from the center of the wash
float flMass = pPhysObject->GetMass();
// This used to be mass independent, which is a bad idea because it blows 200kg engine blocks
// as much as it blows cardboard and soda cans. Make this force mass-independent, but clamp at
// 30kg.
flMass = MIN( flMass, 30.0f );
Vector vecForce = (0.015f / 0.1f) * flWashAmount * flMass * vecToSpot * phys_pushscale.GetFloat();
pEntity->VPhysicsTakeDamage( CTakeDamageInfo( this, this, vecForce, vecWashOrigin, flWashAmount, DMG_BLAST ) );
// Debug
if ( g_debug_basehelicopter.GetInt() == BASECHOPPER_DEBUG_WASH )
{
NDebugOverlay::Cross3D( pEntity->GetAbsOrigin(), -Vector(4,4,4), Vector(4,4,4), 255, 0, 0, true, 0.1f );
NDebugOverlay::Line( pEntity->GetAbsOrigin(), pEntity->GetAbsOrigin() + vecForce, 255, 255, 0, true, 0.1f );
IPhysicsObject *pPhysObject = pEntity->VPhysicsGetObject();
Msg("Pushed %s (index %d) (mass %f) with force %f (min %.2f max %.2f) at time %.2f\n",
pEntity->GetClassname(), pEntity->entindex(), pPhysObject->GetMass(), flWashAmount,
BASECHOPPER_WASH_PUSH_MIN * flMass, BASECHOPPER_WASH_PUSH_MAX * flMass, gpGlobals->curtime );
}
// If we've pushed this thing for some time, remove it to give us a chance to find lighter things nearby
if ( flPushTime > 2.0 )
return false;
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CBaseHelicopter::DoRotorPhysicsPush( const Vector &vecRotorOrigin, float flAltitude )
{
CBaseEntity *pEntity = NULL;
trace_t tr;
// First, trace down and find out where the was is hitting the ground
UTIL_TraceLine( vecRotorOrigin, vecRotorOrigin+Vector(0,0,-flAltitude), (MASK_SOLID_BRUSHONLY|CONTENTS_WATER), NULL, COLLISION_GROUP_NONE, &tr );
// Always raise the physics origin a bit
Vector vecPhysicsOrigin = tr.endpos + Vector(0,0,64);
// Debug
if ( g_debug_basehelicopter.GetInt() == BASECHOPPER_DEBUG_WASH )
{
NDebugOverlay::Cross3D( vecPhysicsOrigin, -Vector(16,16,16), Vector(16,16,16), 0, 255, 255, true, 0.1f );
}
// Push entities that we've pushed before, and are still within range
// Walk backwards because they may be removed if they're now out of range
int iCount = m_hEntitiesPushedByWash.Count();
bool bWasPushingObjects = (iCount > 0);
for ( int i = (iCount-1); i >= 0; i-- )
{
if ( !DoWashPush( &(m_hEntitiesPushedByWash[i]), vecPhysicsOrigin ) )
{
// Out of range now, so remove
m_hEntitiesPushedByWash.Remove(i);
}
}
if ( m_flRotorWashEntitySearchTime > gpGlobals->curtime )
return;
// Any spare slots?
iCount = m_hEntitiesPushedByWash.Count();
if ( iCount >= BASECHOPPER_WASH_MAX_OBJECTS )
return;
// Find the lightest physics entity below us and add it to our list to push around
CBaseEntity *pLightestEntity = NULL;
float flLightestMass = 9999;
while ((pEntity = gEntList.FindEntityInSphere(pEntity, vecPhysicsOrigin, BASECHOPPER_WASH_RADIUS )) != NULL)
{
IRotorWashShooter *pShooter = GetRotorWashShooter( pEntity );
if ( pEntity->IsEFlagSet( EFL_NO_ROTORWASH_PUSH ))
continue;
if ( pShooter || pEntity->GetMoveType() == MOVETYPE_VPHYSICS || (pEntity->VPhysicsGetObject() && !pEntity->IsPlayer()) )
{
// Make sure it's not already in our wash
bool bAlreadyPushing = false;
for ( int i = 0; i < iCount; i++ )
{
if ( m_hEntitiesPushedByWash[i].hEntity == pEntity )
{
bAlreadyPushing = true;
break;
}
}
if ( bAlreadyPushing )
continue;
float flMass = FLT_MAX;
if ( pShooter )
{
flMass = 1.0f;
}
else
{
// Don't try to push anything too big
IPhysicsObject *pPhysObject = pEntity->VPhysicsGetObject();
if ( pPhysObject )
{
flMass = pPhysObject->GetMass();
if ( flMass > BASECHOPPER_WASH_MAX_MASS )
continue;
}
}
// Ignore anything bigger than the one we've already found
if ( flMass > flLightestMass )
continue;
Vector vecSpot = pEntity->BodyTarget( vecPhysicsOrigin );
// Don't push things too far below our starting point (helps reduce through-roof cases w/o doing a trace)
if ( fabs( vecSpot.z - vecPhysicsOrigin.z ) > 96 )
continue;
Vector vecToSpot = ( vecSpot - vecPhysicsOrigin );
vecToSpot.z = 0;
float flDist = VectorNormalize( vecToSpot );
if ( flDist > BASECHOPPER_WASH_RADIUS )
continue;
// Try to cast to the helicopter; if we can't, then we can't be hit.
if ( pEntity->GetServerVehicle() )
{
UTIL_TraceLine( vecSpot, vecPhysicsOrigin, MASK_SOLID_BRUSHONLY, pEntity, COLLISION_GROUP_NONE, &tr );
if ( tr.fraction != 1.0f )
continue;
}
flLightestMass = flMass;
pLightestEntity = pEntity;
washentity_t Wash;
Wash.hEntity = pLightestEntity;
Wash.flWashStartTime = gpGlobals->curtime;
m_hEntitiesPushedByWash.AddToTail( Wash );
// Can we fit more after adding this one? No? Then we are done.
iCount = m_hEntitiesPushedByWash.Count();
if ( iCount >= BASECHOPPER_WASH_MAX_OBJECTS )
break;
}
}
// Handle sound.
// If we just started pushing objects, ramp the blast sound up.
if ( !bWasPushingObjects && m_hEntitiesPushedByWash.Count() )
{
if ( m_pRotorBlast )
{
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
controller.SoundChangeVolume( m_pRotorBlast, 1.0, 1.0 );
}
}
else if ( bWasPushingObjects && m_hEntitiesPushedByWash.Count() == 0 )
{
if ( m_pRotorBlast )
{
// We just stopped pushing objects, so fade the blast sound out.
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
controller.SoundChangeVolume( m_pRotorBlast, 0, 1.0 );
}
}
}
//------------------------------------------------------------------------------
// Updates the enemy
//------------------------------------------------------------------------------
float CBaseHelicopter::EnemySearchDistance( )
{
return 4092;
}
//------------------------------------------------------------------------------
// Updates the enemy
//------------------------------------------------------------------------------
void CBaseHelicopter::UpdateEnemy()
{
if( HasCondition( COND_ENEMY_DEAD ) )
{
SetEnemy( NULL );
}
// Look for my best enemy. If I change enemies,
// be sure and change my prevseen/lastseen timers.
if( m_lifeState == LIFE_ALIVE )
{
GetSenses()->Look( EnemySearchDistance() );
GetEnemies()->RefreshMemories();
ChooseEnemy();
if( HasEnemy() )
{
CBaseEntity *pEnemy = GetEnemy();
GatherEnemyConditions( pEnemy );
if ( FVisible( pEnemy ) )
{
if (m_flLastSeen < gpGlobals->curtime - 2)
{
m_flPrevSeen = gpGlobals->curtime;
}
m_flLastSeen = gpGlobals->curtime;
m_vecTargetPosition = pEnemy->WorldSpaceCenter();
}
}
else
{
// look at where we're going instead
m_vecTargetPosition = GetDesiredPosition();
}
}
else
{
// If we're dead or dying, forget our enemy and don't look for new ones(sjb)
SetEnemy( NULL );
}
}
//------------------------------------------------------------------------------
// Purpose : Override the desired position if your derived helicopter is doing something special
//------------------------------------------------------------------------------
void CBaseHelicopter::UpdateDesiredPosition( void )
{
}
//------------------------------------------------------------------------------
// Updates the facing direction
//------------------------------------------------------------------------------
void CBaseHelicopter::UpdateFacingDirection()
{
if ( 1 )
{
Vector targetDir = m_vecTargetPosition - GetAbsOrigin();
Vector desiredDir = GetDesiredPosition() - GetAbsOrigin();
VectorNormalize( targetDir );
VectorNormalize( desiredDir );
if ( !IsCrashing() && m_flLastSeen + 5 > gpGlobals->curtime ) //&& DotProduct( targetDir, desiredDir) > 0.25)
{
// If we've seen the target recently, face the target.
//Msg( "Facing Target \n" );
m_vecDesiredFaceDir = targetDir;
}
else
{
// Face our desired position.
// Msg( "Facing Position\n" );
m_vecDesiredFaceDir = desiredDir;
}
}
else
{
// Face the way the path corner tells us to.
//Msg( "Facing my path corner\n" );
m_vecDesiredFaceDir = GetGoalOrientation();
}
}
//------------------------------------------------------------------------------
// Fire weapons
//------------------------------------------------------------------------------
void CBaseHelicopter::FireWeapons()
{
// ALERT( at_console, "%.0f %.0f %.0f\n", gpGlobals->curtime, m_flLastSeen, m_flPrevSeen );
if (m_fHelicopterFlags & BITS_HELICOPTER_GUN_ON)
{
//if ( (m_flLastSeen + 1 > gpGlobals->curtime) && (m_flPrevSeen + 2 < gpGlobals->curtime) )
{
if (FireGun( ))
{
// slow down if we're firing
if (m_flGoalSpeed > GetMaxSpeedFiring() )
{
m_flGoalSpeed = GetMaxSpeedFiring();
}
}
}
}
if (m_fHelicopterFlags & BITS_HELICOPTER_MISSILE_ON)
{
AimRocketGun();
}
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
void CBaseHelicopter::Hunt( void )
{
UpdateEnemy();
UpdateTrackNavigation( );
UpdateDesiredPosition();
UpdateFacingDirection();
Flight();
UpdatePlayerDopplerShift( );
FireWeapons();
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
void CBaseHelicopter::UpdatePlayerDopplerShift( )
{
// -----------------------------
// make rotor, engine sounds
// -----------------------------
if (m_iSoundState == 0)
{
// Sound startup.
InitializeRotorSound();
}
else
{
CBaseEntity *pPlayer = NULL;
// UNDONE: this needs to send different sounds to every player for multiplayer.
// FIXME: this isn't the correct way to find a player!!!
pPlayer = gEntList.FindEntityByName( NULL, "!player" );
if (pPlayer)
{
Vector dir;
VectorSubtract( pPlayer->GetAbsOrigin(), GetAbsOrigin(), dir );
VectorNormalize(dir);
#if 1
float velReceiver = DotProduct( pPlayer->GetAbsVelocity(), dir );
float velTransmitter = -DotProduct( GetAbsVelocity(), dir );
// speed of sound == 13049in/s
int iPitch = 100 * ((1 - velReceiver / 13049) / (1 + velTransmitter / 13049));
#else
// This is a bogus doppler shift, but I like it better
float relV = DotProduct( GetAbsVelocity() - pPlayer->GetAbsVelocity(), dir );
int iPitch = (int)(100 + relV / 50.0);
#endif
// clamp pitch shifts
if (iPitch > 250)
{
iPitch = 250;
}
if (iPitch < 50)
{
iPitch = 50;
}
UpdateRotorSoundPitch( iPitch );
// Msg( "Pitch:%d\n", iPitch );
}
else
{
Msg( "Chopper didn't find a player!\n" );
}
}
}
//-----------------------------------------------------------------------------
// Computes the actual position to fly to
//-----------------------------------------------------------------------------
void CBaseHelicopter::ComputeActualTargetPosition( float flSpeed, float flTime, float flPerpDist, Vector *pDest, bool bApplyNoise )
{
// This is used to make the helicopter drift around a bit.
if ( bApplyNoise && m_flRandomOffsetTime <= gpGlobals->curtime )
{
m_vecRandomOffset.Random( -25.0f, 25.0f );
m_flRandomOffsetTime = gpGlobals->curtime + 1.0f;
}
if ( IsLeading() && GetEnemy() && IsOnPathTrack() )
{
ComputePointAlongCurrentPath( flSpeed * flTime, flPerpDist, pDest );
*pDest += m_vecRandomOffset;
return;
}
*pDest = GetDesiredPosition() - GetAbsOrigin();
float flDistToDesired = pDest->Length();
if (flDistToDesired > flSpeed * flTime)
{
float scale = flSpeed * flTime / flDistToDesired;
*pDest *= scale;
}
else if ( IsOnPathTrack() )
{
// Blend in a fake destination point based on the dest velocity
Vector vecDestVelocity;
ComputeNormalizedDestVelocity( &vecDestVelocity );
vecDestVelocity *= flSpeed;
float flBlendFactor = 1.0f - flDistToDesired / (flSpeed * flTime);
VectorMA( *pDest, flTime * flBlendFactor, vecDestVelocity, *pDest );
}
*pDest += GetAbsOrigin();
if ( bApplyNoise )
{
// ComputePointAlongCurrentPath( flSpeed * flTime, flPerpDist, pDest );
*pDest += m_vecRandomOffset;
}
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void CBaseHelicopter::Flight( void )
{
if( GetFlags() & FL_ONGROUND )
{
//This would be really bad.
SetGroundEntity( NULL );
}
// Generic speed up
if (m_flGoalSpeed < GetMaxSpeed())
{
m_flGoalSpeed += GetAcceleration();
}
//NDebugOverlay::Line(GetAbsOrigin(), m_vecDesiredPosition, 0,0,255, true, 0.1);
// tilt model 5 degrees (why?! sjb)
QAngle vecAdj = QAngle( 5.0, 0, 0 );
// estimate where I'll be facing in one seconds
Vector forward, right, up;
AngleVectors( GetLocalAngles() + GetLocalAngularVelocity() * 2 + vecAdj, &forward, &right, &up );
// Vector vecEst1 = GetLocalOrigin() + GetAbsVelocity() + up * m_flForce - Vector( 0, 0, 384 );
// float flSide = DotProduct( m_vecDesiredPosition - vecEst1, right );
QAngle angVel = GetLocalAngularVelocity();
float flSide = DotProduct( m_vecDesiredFaceDir, right );
if (flSide < 0)
{
if (angVel.y < 60)
{
angVel.y += 8;
}
}
else
{
if (angVel.y > -60)
{
angVel.y -= 8;
}
}
angVel.y *= ( 0.98 ); // why?! (sjb)
// estimate where I'll be in two seconds
AngleVectors( GetLocalAngles() + angVel * 1 + vecAdj, NULL, NULL, &up );
Vector vecEst = GetAbsOrigin() + GetAbsVelocity() * 2.0 + up * m_flForce * 20 - Vector( 0, 0, 384 * 2 );
// add immediate force
AngleVectors( GetLocalAngles() + vecAdj, &forward, &right, &up );
Vector vecImpulse( 0, 0, 0 );
vecImpulse.x += up.x * m_flForce;
vecImpulse.y += up.y * m_flForce;
vecImpulse.z += up.z * m_flForce;
// add gravity
vecImpulse.z -= 38.4; // 32ft/sec
ApplyAbsVelocityImpulse( vecImpulse );
float flSpeed = GetAbsVelocity().Length();
float flDir = DotProduct( Vector( forward.x, forward.y, 0 ), Vector( GetAbsVelocity().x, GetAbsVelocity().y, 0 ) );
if (flDir < 0)
{
flSpeed = -flSpeed;
}
float flDist = DotProduct( GetDesiredPosition() - vecEst, forward );
// float flSlip = DotProduct( GetAbsVelocity(), right );
float flSlip = -DotProduct( GetDesiredPosition() - vecEst, right );
// fly sideways
if (flSlip > 0)
{
if (GetLocalAngles().z > -30 && angVel.z > -15)
angVel.z -= 4;
else
angVel.z += 2;
}
else
{
if (GetLocalAngles().z < 30 && angVel.z < 15)
angVel.z += 4;
else
angVel.z -= 2;
}
// These functions contain code Ken wrote that used to be right here as part of the flight model,
// but we want different helicopter vehicles to have different drag characteristics, so I made
// them virtual functions (sjb)
ApplySidewaysDrag( right );
ApplyGeneralDrag();
// apply power to stay correct height
// FIXME: these need to be per class variables
#define MAX_FORCE 80
#define FORCE_POSDELTA 12
#define FORCE_NEGDELTA 8
if (m_flForce < MAX_FORCE && vecEst.z < GetDesiredPosition().z)
{
m_flForce += FORCE_POSDELTA;
}
else if (m_flForce > 30)
{
if (vecEst.z > GetDesiredPosition().z)
m_flForce -= FORCE_NEGDELTA;
}
// pitch forward or back to get to target
//-----------------------------------------
// Pitch is reversed since Half-Life! (sjb)
//-----------------------------------------
if (flDist > 0 && flSpeed < m_flGoalSpeed /* && flSpeed < flDist */ && GetLocalAngles().x + angVel.x < 40)
{
// ALERT( at_console, "F " );
// lean forward
angVel.x += 12.0;
}
else if (flDist < 0 && flSpeed > -50 && GetLocalAngles().x + angVel.x > -20)
{
// ALERT( at_console, "B " );
// lean backward
angVel.x -= 12.0;
}
else if (GetLocalAngles().x + angVel.x < 0)
{
// ALERT( at_console, "f " );
angVel.x += 4.0;
}
else if (GetLocalAngles().x + angVel.x > 0)
{
// ALERT( at_console, "b " );
angVel.x -= 4.0;
}
SetLocalAngularVelocity( angVel );
// ALERT( at_console, "%.0f %.0f : %.0f %.0f : %.0f %.0f : %.0f\n", GetAbsOrigin().x, GetAbsVelocity().x, flDist, flSpeed, GetLocalAngles().x, m_vecAngVelocity.x, m_flForce );
// ALERT( at_console, "%.0f %.0f : %.0f %0.f : %.0f\n", GetAbsOrigin().z, GetAbsVelocity().z, vecEst.z, m_vecDesiredPosition.z, m_flForce );
}
//------------------------------------------------------------------------------
// Updates the rotor wash volume
//------------------------------------------------------------------------------
void CBaseHelicopter::UpdateRotorWashVolume()
{
if ( !m_pRotorSound )
return;
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
float flVolDelta = GetRotorVolume() - controller.SoundGetVolume( m_pRotorSound );
if ( flVolDelta )
{
// We can change from 0 to 1 in 3 seconds.
// Figure out how many seconds flVolDelta will take.
float flRampTime = fabs( flVolDelta ) * 3.0f;
controller.SoundChangeVolume( m_pRotorSound, GetRotorVolume(), flRampTime );
}
}
//------------------------------------------------------------------------------
// For scripted times where it *has* to shoot
//------------------------------------------------------------------------------
float CBaseHelicopter::GetRotorVolume( void )
{
return m_bSuppressSound ? 0.0f : 1.0f;
}
//-----------------------------------------------------------------------------
// Rotor sound
//-----------------------------------------------------------------------------
void CBaseHelicopter::InputEnableRotorSound( inputdata_t &inputdata )
{
m_bSuppressSound = false;
}
void CBaseHelicopter::InputDisableRotorSound( inputdata_t &inputdata )
{
m_bSuppressSound = true;
}
//-----------------------------------------------------------------------------
// Purpose: Marks the entity for deletion
//-----------------------------------------------------------------------------
void CBaseHelicopter::InputKill( inputdata_t &inputdata )
{
StopRotorWash();
m_bSuppressSound = true;
SetContextThink( &CBaseHelicopter::DelayedKillThink, gpGlobals->curtime + 3.0f, s_pDelayedKillThinkContext );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CBaseHelicopter::StopRotorWash( void )
{
if ( m_hRotorWash )
{
UTIL_Remove( m_hRotorWash );
m_hRotorWash = NULL;
}
}
//-----------------------------------------------------------------------------
// Purpose: Marks the entity for deletion
//-----------------------------------------------------------------------------
void CBaseHelicopter::DelayedKillThink( )
{
// 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 );
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
void CBaseHelicopter::InitializeRotorSound( void )
{
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
if ( m_pRotorSound )
{
// Get the rotor sound started up.
controller.Play( m_pRotorSound, 0.0, 100 );
UpdateRotorWashVolume();
}
if ( m_pRotorBlast )
{
// Start the blast sound and then immediately drop it to 0 (starting it at 0 wouldn't start it)
controller.Play( m_pRotorBlast, 1.0, 100 );
controller.SoundChangeVolume(m_pRotorBlast, 0, 0.0);
}
m_iSoundState = SND_CHANGE_PITCH; // hack for going through level transitions
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
void CBaseHelicopter::UpdateRotorSoundPitch( int iPitch )
{
if (m_pRotorSound)
{
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
controller.SoundChangePitch( m_pRotorSound, iPitch, 0.1 );
UpdateRotorWashVolume();
}
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
void CBaseHelicopter::FlyTouch( CBaseEntity *pOther )
{
// bounce if we hit something solid
if ( pOther->GetSolid() == SOLID_BSP)
{
// trace_t tr;
// tr = CBaseEntity::GetTouchTrace();
// UNDONE, do a real bounce
// FIXME: This causes bad problems, so we just ignore it right now
//ApplyAbsVelocityImpulse( tr.plane.normal * (GetAbsVelocity().Length() + 200) );
}
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
void CBaseHelicopter::CrashTouch( CBaseEntity *pOther )
{
// only crash if we hit something solid
if ( pOther->GetSolid() == SOLID_BSP)
{
SetTouch( NULL );
SetNextThink( gpGlobals->curtime );
}
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
void CBaseHelicopter::DyingThink( void )
{
StudioFrameAdvance( );
SetNextThink( gpGlobals->curtime + 0.1f );
SetLocalAngularVelocity( GetLocalAngularVelocity() * 1.02 );
}
//-----------------------------------------------------------------------------
// Purpose: Override base class to add display of fly direction
// Input :
// Output :
//-----------------------------------------------------------------------------
void CBaseHelicopter::DrawDebugGeometryOverlays(void)
{
if (m_pfnThink!= NULL)
{
// ------------------------------
// Draw route if requested
// ------------------------------
if (m_debugOverlays & OVERLAY_NPC_ROUTE_BIT)
{
NDebugOverlay::Line(GetAbsOrigin(), GetDesiredPosition(), 0,0,255, true, 0);
}
}
BaseClass::DrawDebugGeometryOverlays();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
void CBaseHelicopter::TraceAttack( const CTakeDamageInfo &info, const Vector &vecDir, trace_t *ptr, CDmgAccumulator *pAccumulator )
{
// Take no damage from trace attacks unless it's blast damage. RadiusDamage() sometimes calls
// TraceAttack() as a means for delivering blast damage. Usually when the explosive penetrates
// the target. (RPG missiles do this sometimes).
if( info.GetDamageType() & (DMG_BLAST|DMG_AIRBOAT) )
{
BaseClass::TraceAttack( info, vecDir, ptr, pAccumulator );
}
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
void CBaseHelicopter::NullThink( void )
{
StudioFrameAdvance( );
SetNextThink( gpGlobals->curtime + 0.5f );
}
void CBaseHelicopter::Startup( void )
{
StopRotorWash();
if ( !( m_spawnflags & SF_NOROTORWASH ) )
{
m_hRotorWash = CreateRotorWashEmitter( GetAbsOrigin(), GetAbsAngles(), this, BASECHOPPER_WASH_ALTITUDE );
}
// Fade in the blades
m_flStartupTime = gpGlobals->curtime;
m_flGoalSpeed = m_flInitialSpeed;
SetThink( &CBaseHelicopter::HelicopterThink );
SetTouch( &CBaseHelicopter::FlyTouch );
SetNextThink( gpGlobals->curtime + 0.1f );
m_flRotorWashEntitySearchTime = gpGlobals->curtime;
SetContextThink( &CBaseHelicopter::RotorWashThink, gpGlobals->curtime, s_pRotorWashThinkContext );
}
void CBaseHelicopter::StopLoopingSounds()
{
// Kill the rotor sounds
CSoundEnvelopeController &controller = CSoundEnvelopeController::GetController();
controller.SoundDestroy( m_pRotorSound );
controller.SoundDestroy( m_pRotorBlast );
m_pRotorSound = NULL;
m_pRotorBlast = NULL;
BaseClass::StopLoopingSounds();
}
void CBaseHelicopter::Event_Killed( const CTakeDamageInfo &info )
{
m_lifeState = LIFE_DYING;
SetMoveType( MOVETYPE_FLYGRAVITY );
SetGravity( UTIL_ScaleForGravity( 240 ) ); // use a lower gravity
StopLoopingSounds();
UTIL_SetSize( this, Vector( -32, -32, -64), Vector( 32, 32, 0) );
SetThink( &CBaseHelicopter::CallDyingThink );
SetTouch( &CBaseHelicopter::CrashTouch );
SetNextThink( gpGlobals->curtime + 0.1f );
m_iHealth = 0;
m_takedamage = DAMAGE_NO;
/*
if (m_spawnflags & SF_NOWRECKAGE)
{
m_flNextRocket = gpGlobals->curtime + 4.0;
}
else
{
m_flNextRocket = gpGlobals->curtime + 15.0;
}
*/
StopRotorWash();
m_OnDeath.FireOutput( info.GetAttacker(), this );
}
void CBaseHelicopter::GibMonster( void )
{
}
//-----------------------------------------------------------------------------
// Purpose: Call Startup for a helicopter that's been flagged to start disabled
//-----------------------------------------------------------------------------
void CBaseHelicopter::InputActivate( inputdata_t &inputdata )
{
if( m_spawnflags & SF_AWAITINPUT )
{
Startup();
// Now clear the spawnflag to protect from
// subsequent calls.
m_spawnflags &= ~SF_AWAITINPUT;
}
}
//------------------------------------------------------------------------------
// Purpose : Turn the gun on
//------------------------------------------------------------------------------
void CBaseHelicopter::InputGunOn( inputdata_t &inputdata )
{
m_fHelicopterFlags |= BITS_HELICOPTER_GUN_ON;
}
//-----------------------------------------------------------------------------
// Purpose: Turn the gun off
//-----------------------------------------------------------------------------
void CBaseHelicopter::InputGunOff( inputdata_t &inputdata )
{
m_fHelicopterFlags &= ~BITS_HELICOPTER_GUN_ON;
}
//------------------------------------------------------------------------------
// Purpose : Turn the missile on
//------------------------------------------------------------------------------
void CBaseHelicopter::InputMissileOn( inputdata_t &inputdata )
{
m_fHelicopterFlags |= BITS_HELICOPTER_MISSILE_ON;
}
//-----------------------------------------------------------------------------
// Purpose: Turn the missile off
//-----------------------------------------------------------------------------
void CBaseHelicopter::InputMissileOff( inputdata_t &inputdata )
{
m_fHelicopterFlags &= ~BITS_HELICOPTER_MISSILE_ON;
}
//-----------------------------------------------------------------------------
// Enable, disable rotor wash
//-----------------------------------------------------------------------------
void CBaseHelicopter::InputEnableRotorWash( inputdata_t &inputdata )
{
m_spawnflags &= ~SF_NOROTORWASH;
}
void CBaseHelicopter::InputDisableRotorWash( inputdata_t &inputdata )
{
m_spawnflags |= SF_NOROTORWASH;
}
//-----------------------------------------------------------------------------
// Causes the helicopter to immediately accelerate to its desired velocity
//-----------------------------------------------------------------------------
void CBaseHelicopter::InputMoveTopSpeed( inputdata_t &inputdata )
{
Vector vecVelocity;
ComputeActualTargetPosition( GetMaxSpeed(), 1.0f, 0.0f, &vecVelocity, false );
vecVelocity -= GetAbsOrigin();
float flLength = VectorNormalize( vecVelocity );
if (flLength < 1e-3)
{
GetVectors( &vecVelocity, NULL, NULL );
}
vecVelocity *= GetMaxSpeed();
SetAbsVelocity( vecVelocity );
}
//-----------------------------------------------------------------------------
// Cause helicopter to immediately accelerate to specified velocity
//-----------------------------------------------------------------------------
void CBaseHelicopter::InputMoveSpecifiedSpeed( inputdata_t &inputdata )
{
Vector vecVelocity;
ComputeActualTargetPosition( GetMaxSpeed(), 1.0f, 0.0f, &vecVelocity, false );
vecVelocity -= GetAbsOrigin();
float flLength = VectorNormalize( vecVelocity );
if (flLength < 1e-3)
{
GetVectors( &vecVelocity, NULL, NULL );
}
float flSpeed = inputdata.value.Float();
vecVelocity *= flSpeed;
SetAbsVelocity( vecVelocity );
}
//------------------------------------------------------------------------------
// Input values
//------------------------------------------------------------------------------
void CBaseHelicopter::InputSetAngles( inputdata_t &inputdata )
{
const char *pAngles = inputdata.value.String();
QAngle angles;
UTIL_StringToVector( angles.Base(), pAngles );
SetAbsAngles( angles );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
void CBaseHelicopter::ApplySidewaysDrag( const Vector &vecRight )
{
Vector vecNewVelocity = GetAbsVelocity();
vecNewVelocity.x *= 1.0 - fabs( vecRight.x ) * 0.05;
vecNewVelocity.y *= 1.0 - fabs( vecRight.y ) * 0.05;
vecNewVelocity.z *= 1.0 - fabs( vecRight.z ) * 0.05;
SetAbsVelocity( vecNewVelocity );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
void CBaseHelicopter::ApplyGeneralDrag( void )
{
Vector vecNewVelocity = GetAbsVelocity();
vecNewVelocity *= 0.995;
SetAbsVelocity( vecNewVelocity );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
bool CBaseHelicopter::ChooseEnemy( void )
{
// See if there's a new enemy.
CBaseEntity *pNewEnemy;
pNewEnemy = BestEnemy();
if ( pNewEnemy != GetEnemy() )
{
if ( pNewEnemy != NULL )
{
// New enemy! Clear the timers and set conditions.
SetEnemy( pNewEnemy );
m_flLastSeen = m_flPrevSeen = gpGlobals->curtime;
}
else
{
SetEnemy( NULL );
SetState( NPC_STATE_ALERT );
}
return true;
}
else
{
ClearCondition( COND_NEW_ENEMY );
return false;
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
void CBaseHelicopter::GatherEnemyConditions( CBaseEntity *pEnemy )
{
// -------------------
// If enemy is dead
// -------------------
if ( !pEnemy->IsAlive() )
{
SetCondition( COND_ENEMY_DEAD );
ClearCondition( COND_SEE_ENEMY );
ClearCondition( COND_ENEMY_OCCLUDED );
return;
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pInfo -
// bAlways -
//-----------------------------------------------------------------------------
void CBaseHelicopter::SetTransmit( CCheckTransmitInfo *pInfo, bool bAlways )
{
// Are we already marked for transmission?
if ( pInfo->m_pTransmitEdict->Get( entindex() ) )
return;
BaseClass::SetTransmit( pInfo, bAlways );
// Make our smoke trail always come with us
if ( m_hRotorWash )
{
m_hRotorWash->SetTransmit( pInfo, bAlways );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void ExpandBBox(Vector &vecMins, Vector &vecMaxs)
{
// expand for *any* rotation
float maxval = 0;
for (int i = 0; i < 3; i++)
{
float v = fabs( vecMins[i]);
if (v > maxval)
maxval = v;
v = fabs( vecMaxs[i]);
if (v > maxval)
maxval = v;
}
vecMins.Init(-maxval, -maxval, -maxval);
vecMaxs.Init(maxval, maxval, maxval);
}