Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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#include "cbase.h"
#include "props.h"
#include "asw_egg.h"
#include "asw_shareddefs.h"
#include "asw_marine.h"
#include "asw_marine_resource.h"
#include "asw_fx_shared.h"
#include "asw_parasite.h"
#include "asw_gamerules.h"
#include "asw_mission_manager.h"
#include "asw_util_shared.h"
#include "EntityFlame.h"
#include "te_effect_dispatch.h"
#include "asw_marine_speech.h"
#include "asw_burning.h"
#include "asw_game_resource.h"
#include "asw_player.h"
#include "asw_achievements.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
#define EGG_MODEL "models/aliens/egg/egg.mdl"
#define EGG_OPEN_ANIM "open"
#define EGG_CLOSED_ANIM "closed"
#define EGG_JIGGLE_ANIM "closed"
#define EGG_OPENING_ANIM "opening"
#define EGG_ON_FIRE_ANIM "fire_open"
#define EGG_HATCH_ANIM "egg_pop"
#define ASW_EGG_HATCH_DELAY 3.0f
#define ASW_EGG_ALWAYS_BURST_DISTANCE 120.0f
#define ASW_EGG_BURST_DISTANCE_EASY 250.0f
#define ASW_EGG_BURST_DISTANCE 450.0f
#define ASW_EGG_RESET_DELAY 20.0f
LINK_ENTITY_TO_CLASS( asw_egg, CASW_Egg );
IMPLEMENT_SERVERCLASS_ST(CASW_Egg, DT_ASW_Egg)
SendPropBool( SENDINFO( m_bOnFire ) ),
SendPropFloat( SENDINFO( m_fEggAwake ) ),
END_SEND_TABLE()
//---------------------------------------------------------
// Save/Restore
//---------------------------------------------------------
BEGIN_DATADESC( CASW_Egg )
DEFINE_THINKFUNC( AnimThink ),
DEFINE_THINKFUNC( SetupParasiteThink ),
DEFINE_FUNCTION( EggTouch ),
DEFINE_KEYFIELD( m_sParasiteClass, FIELD_STRING, "ParasiteClass" ),
DEFINE_KEYFIELD( m_bFixedJumpDirection, FIELD_BOOLEAN, "FixedJumpDir" ),
DEFINE_KEYFIELD( m_bSkipEggChatter, FIELD_BOOLEAN, "SkipEggChatter" ),
DEFINE_KEYFIELD( m_bSmallOpenRadius, FIELD_BOOLEAN, "SmallOpenRadius" ),
DEFINE_FIELD(m_fNextMarineCheckTime, FIELD_FLOAT),
DEFINE_FIELD(m_bOpen, FIELD_BOOLEAN),
DEFINE_FIELD(m_bOpening, FIELD_BOOLEAN),
DEFINE_FIELD(m_bHatched, FIELD_BOOLEAN),
DEFINE_FIELD(m_fHatchTime, FIELD_TIME),
DEFINE_FIELD(m_bStoredEggSize, FIELD_BOOLEAN),
DEFINE_FIELD(m_vecStartSurroundMins, FIELD_VECTOR),
DEFINE_FIELD(m_vecStartSurroundMaxs, FIELD_VECTOR),
DEFINE_FIELD(m_bMadeParasiteVisible, FIELD_BOOLEAN),
DEFINE_FIELD(m_hParasite, FIELD_EHANDLE),
DEFINE_FIELD( m_bOnFire, FIELD_BOOLEAN ),
DEFINE_FIELD(m_hBurner, FIELD_EHANDLE),
DEFINE_FIELD(m_hBurnerWeapon, FIELD_EHANDLE),
DEFINE_FIELD(m_fEggAwake, FIELD_FLOAT),
DEFINE_FIELD(m_fEggResetTime, FIELD_TIME),
DEFINE_INPUTFUNC( FIELD_VOID, "EggOpen", InputOpen ),
DEFINE_INPUTFUNC( FIELD_VOID, "EggHatch", InputHatch ),
DEFINE_OUTPUT( m_OnOpened, "OnEggOpened" ),
DEFINE_OUTPUT( m_OnHatched, "OnEggHatched" ),
DEFINE_OUTPUT( m_OnDestroyed, "OnEggDestroyed" ),
DEFINE_OUTPUT( m_OnEggReset, "OnEggReset" ),
END_DATADESC()
ConVar asw_egg_respawn( "asw_egg_respawn", "0", FCVAR_CHEAT, "If set, eggs will respawn the parasite inside" );
float CASW_Egg::s_fNextSpottedChatterTime = 0;
CASW_Egg::CASW_Egg()
{
m_bOpen = false;
m_bOpening = false;
m_bHatched = false;
m_bMadeParasiteVisible = false;
m_hParasite = NULL;
m_bSmallOpenRadius = false;
m_hBurner = NULL;
m_fEggAwake = 0;
m_fEggResetTime = 0;
}
CASW_Egg::~CASW_Egg()
{
if (GetParasite())
GetParasite()->SetEgg(NULL);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CASW_Egg::Spawn( void )
{
SetMoveType( MOVETYPE_NONE );
//SetSolid( SOLID_BBOX );
SetSolid( SOLID_VPHYSICS );
CreateVPhysics();
SetCollisionGroup( ASW_COLLISION_GROUP_EGG );
Precache();
SetModel(EGG_MODEL);
ResetSequence( LookupSequence( EGG_CLOSED_ANIM ) );
SetPlaybackRate( RandomFloat( 0.95, 1.05 ) ); // Slightly randomize the playback rate so they don't all match
m_bStoredEggSize = false;
BaseClass::Spawn();
AddEFlags( EFL_NO_DISSOLVE | EFL_NO_MEGAPHYSCANNON_RAGDOLL | EFL_NO_PHYSCANNON_INTERACTION );
//SetCollisionBounds( Vector(-26,-26,0), Vector(26,26,60));
SetThink( &CASW_Egg::SetupParasiteThink );
SetNextThink( gpGlobals->curtime + 0.3f );
SetTouch( &CASW_Egg::EggTouch );
AddFlag( FL_AIMTARGET );
// create our parasite to sit inside and await a hapless marine
QAngle angParasiteFacing = GetAbsAngles();
if (!m_bFixedJumpDirection)
{
angParasiteFacing.y = random->RandomInt(0,360);
}
m_hParasite = dynamic_cast<CASW_Parasite*>(CreateNoSpawn("asw_parasite", GetAbsOrigin(), angParasiteFacing, this));
if (GetParasite())
{
//Msg("Telling parasite to idle in egg\n");
GetParasite()->IdleInEgg(true);
//GetParasite()->AddSpawnFlags(SF_NPC_WAIT_FOR_SCRIPT);
GetParasite()->Spawn();
GetParasite()->SetSleepState(AISS_WAITING_FOR_INPUT);
GetParasite()->SetEgg(this);
GetParasite()->SetParent( this );
}
m_takedamage = DAMAGE_YES;
m_iHealth = 50;
m_iMaxHealth = m_iHealth;
m_fNextMarineCheckTime = gpGlobals->curtime + random->RandomFloat(5.0f, 10.0f);
if ( ASWGameResource() && ASWGameResource()->m_iStartingEggsInMap >= 0 )
{
ASWGameResource()->m_iStartingEggsInMap++;
}
}
bool CASW_Egg::CreateVPhysics()
{
VPhysicsInitStatic();
return true;
}
void CASW_Egg::Precache()
{
PrecacheModel(EGG_MODEL);
PrecacheParticleSystem( "egg_open" );
PrecacheParticleSystem( "egg_hatch" );
PrecacheParticleSystem( "egg_death" );
PrecacheModel ("models/aliens/egg/egggib_1.mdl");
PrecacheModel ("models/aliens/egg/egggib_2.mdl");
PrecacheModel ("models/aliens/egg/egggib_3.mdl");
PrecacheScriptSound("ASW_Egg.Open");
PrecacheScriptSound("ASW_Egg.Gib");
PrecacheScriptSound("ASW_Parasite.EggBurst");
BaseClass::Precache();
UTIL_PrecacheOther( "asw_parasite" );
}
// int CASW_Egg::ShouldTransmit( const CCheckTransmitInfo *pInfo )
// {
// return FL_EDICT_ALWAYS;
// }
//
// int CASW_Egg::UpdateTransmitState()
// {
// return SetTransmitState( FL_EDICT_FULLCHECK );
// }
void CASW_Egg::SetupParasiteThink()
{
if (GetParasite() && GetParasite()->IsEffectActive(EF_NODRAW))
{
GetParasite()->RemoveEffects(EF_NODRAW);
GetParasite()->SetActivity(ACT_IDLE);
m_bMadeParasiteVisible = true;
SetNextThink( gpGlobals->curtime + 0.5f );
return;
}
if (!m_bMadeParasiteVisible)
{
SetNextThink( gpGlobals->curtime + 0.1f );
return;
}
// if we're done setting up the parasite, turn thinking over to the normal egg processing
SetThink(&CASW_Egg::AnimThink);
SetNextThink( gpGlobals->curtime + 0.1f );
}
void CASW_Egg::ReachedEndOfSequence()
{
if ( ( GetSequence() == LookupSequence( EGG_OPENING_ANIM ) ) )
{
ResetSequence( LookupSequence(EGG_OPEN_ANIM) );
m_bOpen = true;
}
if ( ( GetSequence() == LookupSequence( EGG_ON_FIRE_ANIM ) ) )
{
m_bOpen = true;
}
}
void CASW_Egg::AnimThink( void )
{
if ( m_bOnFire )
{
ResetSequence( LookupSequence( EGG_ON_FIRE_ANIM ) );
}
if (m_bOpen && !m_bHatched && gpGlobals->curtime >= m_fHatchTime)
{
Hatch(NULL);
}
if (!m_bStoredEggSize)
{
m_bStoredEggSize = true;
m_vecStartSurroundMins = CollisionProp()->OBBMins();
m_vecStartSurroundMaxs = CollisionProp()->OBBMaxs();
//CollisionProp()->WorldSpaceSurroundingBounds( &m_vecStartSurroundMins, &m_vecStartSurroundMaxs );
//Msg("Storing %f and %f, %f\n", m_vecStartSurroundMaxs.x, m_vecStartSurroundMaxs.y, m_vecStartSurroundMaxs.z);
}
// periodically find the nearest marine and check if we should burst open
if (!m_bOpen && gpGlobals->curtime >= m_fNextMarineCheckTime)
{
float marine_distance = -1;
CBaseEntity *pMarine = UTIL_ASW_NearestMarine(GetAbsOrigin(), marine_distance );
if (!m_bSkipEggChatter && pMarine && marine_distance < 500 && gpGlobals->curtime > s_fNextSpottedChatterTime)
{
CASW_Marine *pSpottedMarine = UTIL_ASW_Marine_Can_Chatter_Spot(this, 500);
if (pSpottedMarine)
{
pSpottedMarine->GetMarineSpeech()->Chatter(CHATTER_EGGS);
s_fNextSpottedChatterTime = gpGlobals->curtime + 30.0f;
}
else
s_fNextSpottedChatterTime = gpGlobals->curtime + 1.0f;
}
float flOpenDist = ASW_EGG_BURST_DISTANCE;
if ( ASWGameRules() && ASWGameRules()->GetSkillLevel() == 1 )
{
flOpenDist = ASW_EGG_BURST_DISTANCE_EASY;
}
if ( pMarine )
{
//Msg( "Egg %d check. Distance = %f\n", entindex(), marine_distance );
if ( marine_distance <= ASW_EGG_ALWAYS_BURST_DISTANCE )
{
Open(pMarine);
}
else if ( marine_distance <= ASW_EGG_BURST_DISTANCE && RandomFloat() < 0.1f )
{
Open(pMarine);
}
}
if ( !m_bOpen )
{
// rethink interval based on how near the marines are
if (marine_distance == -1 || marine_distance > 4096)
{
m_fNextMarineCheckTime = gpGlobals->curtime + 5.0f;
}
else
{
if (ASWGameRules() && ASWGameRules()->GetSkillLevel() >= 4 )
{
m_fNextMarineCheckTime = gpGlobals->curtime + 1.5f;
}
else if (ASWGameRules() && ASWGameRules()->GetSkillLevel() == 3 )
{
m_fNextMarineCheckTime = gpGlobals->curtime + 2.0f;
}
else
{
m_fNextMarineCheckTime = gpGlobals->curtime + 2.4f;
}
}
}
}
// fade in the green lines if we're about to wake up
if ( m_bOpen && !m_bHatched )
{
m_fEggAwake = MIN( 1.0f, m_fEggAwake.Get() + gpGlobals->frametime * 3.0f );
}
else
{
m_fEggAwake = MAX( 0, m_fEggAwake.Get() - gpGlobals->frametime * 0.5f ); // slow power down
if ( m_bHatched && gpGlobals->curtime > m_fEggResetTime && m_fEggResetTime > 0)
{
ResetEgg();
}
}
SetNextThink( gpGlobals->curtime + 0.1f );
StudioFrameAdvance();
}
void CASW_Egg::ResetEgg()
{
if ( m_bOnFire )
{
return;
}
if ( m_bHatched )
{
// spawn a new parasite
QAngle angParasiteFacing = GetAbsAngles();
if (!m_bFixedJumpDirection)
{
angParasiteFacing.y = random->RandomInt(0,360);
}
m_hParasite = dynamic_cast<CASW_Parasite*>(CreateNoSpawn("asw_parasite", GetAbsOrigin(), angParasiteFacing, this));
if (GetParasite())
{
//Msg("Telling parasite to idle in egg\n");
GetParasite()->IdleInEgg(true);
//GetParasite()->AddSpawnFlags(SF_NPC_WAIT_FOR_SCRIPT);
GetParasite()->Spawn();
GetParasite()->SetSleepState(AISS_WAITING_FOR_INPUT);
GetParasite()->SetEgg(this);
GetParasite()->SetParent( this );
}
}
// reset the egg so it can open and hatch again
m_bOpen = false;
m_bHatched = false;
ResetSequence( LookupSequence( EGG_CLOSED_ANIM ) );
SetBodygroup( 1,0 );
SetPlaybackRate( RandomFloat( 0.95, 1.05 ) ); // Slightly randomize the playback rate so they don't all match
m_OnEggReset.FireOutput(this, this);
}
void CASW_Egg::Open(CBaseEntity* pOther)
{
if ( !m_bOpen && !m_bHatched && !m_bOpening )
{
if ( m_bOnFire )
{
ResetSequence( LookupSequence ( EGG_ON_FIRE_ANIM ) );
}
else
{
ResetSequence( LookupSequence ( EGG_OPENING_ANIM ) );
SetCycle( 0 );
}
SpawnEffects(EGG_FLAG_OPEN);
CheckEggSize();
RemoveSolidFlags( FSOLID_NOT_SOLID );
//UTIL_ASW_BloodDrips( GetAbsOrigin()+Vector(0,0,50), Vector(0,0,1), BLOOD_COLOR_GREEN, 4 );
m_fHatchTime = gpGlobals->curtime + (ASW_EGG_HATCH_DELAY * random->RandomFloat(1.0f, 2.0f));
m_OnOpened.FireOutput(pOther, this);
EmitSound("ASW_Egg.Open");
m_bOpening = true;
}
}
void CASW_Egg::Hatch(CBaseEntity* pOther)
{
if (!m_bHatched && m_bOpen)
{
SpawnEffects(EGG_FLAG_HATCH);
SetBodygroup( 1,1 );
ResetSequence( LookupSequence( EGG_HATCH_ANIM ) );
m_bHatched = true;
CheckEggSize();
RemoveSolidFlags( FSOLID_NOT_SOLID );
// todo: make some green goo spurt out
//UTIL_ASW_BloodDrips( GetAbsOrigin()+Vector(0,0,30), Vector(0,0,1), BLOOD_COLOR_GREEN, 4 );
// todo: spawn the parasite
m_OnHatched.FireOutput(pOther, this);
EmitSound("ASW_Parasite.EggBurst");
if (GetParasite())
{
if (IsOnFire())
{
CBaseEntity *pBurner = m_hBurner.Get();
if (!pBurner)
pBurner = this;
GetParasite()->ASW_Ignite( 30, 0, pBurner, m_hBurnerWeapon.Get() );
}
else
{
if ( ASWGameResource() )
{
ASWGameResource()->m_iEggsHatched++;
}
}
GetParasite()->SetJumpFromEgg(true);
GetParasite()->IdleInEgg(false);
GetParasite()->Wake();
}
if ( asw_egg_respawn.GetBool() )
{
m_fEggResetTime = gpGlobals->curtime + ASW_EGG_RESET_DELAY * random->RandomFloat(1.0f, 2.0f);
}
}
}
void CASW_Egg::EggTouch(CBaseEntity* pOther)
{
// egg will open if touched by a marine
CASW_Marine* pMarine = CASW_Marine::AsMarine( pOther );
if (pMarine)
{
if (!m_bOpen)
Open(pOther);
}
}
// inputs
void CASW_Egg::InputOpen( inputdata_t &inputdata )
{
if (!m_bOpen)
Open(inputdata.pActivator);
}
void CASW_Egg::InputHatch( inputdata_t &inputdata )
{
if (!m_bHatched)
{
m_bOpen = true;
Hatch(inputdata.pActivator);
}
}
// check the egg hasn't got any bigger in size, otherwise nearby creatures could get stuck in it
void CASW_Egg::CheckEggSize()
{
Vector vecSurroundMins, vecSurroundMaxs;
vecSurroundMins = CollisionProp()->OBBMins();
vecSurroundMaxs = CollisionProp()->OBBMaxs();
if (vecSurroundMins.x < m_vecStartSurroundMins.x)
vecSurroundMins.x = m_vecStartSurroundMins.x;
if (vecSurroundMins.y < m_vecStartSurroundMins.y)
vecSurroundMins.y = m_vecStartSurroundMins.y;
if (vecSurroundMins.z < m_vecStartSurroundMins.z)
vecSurroundMins.z = m_vecStartSurroundMins.z;
if (vecSurroundMaxs.x > m_vecStartSurroundMaxs.x)
vecSurroundMaxs.x = m_vecStartSurroundMaxs.x;
if (vecSurroundMaxs.y > m_vecStartSurroundMaxs.y)
vecSurroundMaxs.y = m_vecStartSurroundMaxs.y;
if (vecSurroundMaxs.z > m_vecStartSurroundMaxs.z)
vecSurroundMaxs.z = m_vecStartSurroundMaxs.z;
SetCollisionBounds( vecSurroundMins, vecSurroundMaxs );
}
void CASW_Egg::SpawnEffects(int flags)
{
UTIL_ASW_EggGibs( WorldSpaceCenter(), flags, entindex() );
}
int CASW_Egg::OnTakeDamage( const CTakeDamageInfo &info )
{
int result = BaseClass::OnTakeDamage(info);
if (result > 0)
{
CASW_Marine* pMarine = dynamic_cast<CASW_Marine*>(info.GetAttacker());
if (pMarine)
pMarine->HurtAlien(this, info);
if (info.GetDamageType() & DMG_BURN ||
info.GetDamageType() & DMG_BLAST)
{
ASW_Ignite(30.0f, 0, info.GetAttacker(), info.GetWeapon() );
}
}
return result;
}
void CASW_Egg::Event_Killed( const CTakeDamageInfo &info )
{
// make the egg shatter in however many stages are left
//if (m_lifeState == LIFE_DEAD) // already dead?
//return;
if (!m_bHatched)
{
SpawnEffects(EGG_FLAG_DIE);
m_bOpen = true;
CheckEggSize();
RemoveSolidFlags( FSOLID_NOT_SOLID );
}
else
{
SpawnEffects(EGG_FLAG_DIE);
}
// kill the parasite inside
if (GetParasite() && !m_bHatched)
{
CTakeDamageInfo killsite(info.GetInflictor(), info.GetAttacker(), info.GetDamageForce(), info.GetDamagePosition(), 150,
info.GetDamageType());
killsite.SetWeapon( info.GetWeapon() );
GetParasite()->TakeDamage(killsite);
}
if (ASWGameRules() && ASWGameRules()->GetMissionManager())
ASWGameRules()->GetMissionManager()->EggKilled(this);
CASW_Marine *pMarine = dynamic_cast<CASW_Marine*>(info.GetAttacker());
if (pMarine && pMarine->GetMarineResource())
{
pMarine->GetMarineResource()->m_iEggKills++;
}
if ( ASWGameResource() )
{
ASWGameResource()->m_iEggsKilled++;
if ( ASWGameResource()->m_iStartingEggsInMap > 5 && ASWGameResource()->m_iEggsKilled >= ASWGameResource()->m_iStartingEggsInMap && ASWGameResource()->m_iEggsHatched <= 0 )
{
for ( int i = 1; i <= gpGlobals->maxClients; i++ )
{
CASW_Player* pPlayer = dynamic_cast<CASW_Player*>( UTIL_PlayerByIndex( i ) );
if ( !pPlayer || !pPlayer->IsConnected() || !pPlayer->GetMarine() )
continue;
pPlayer->AwardAchievement( ACHIEVEMENT_ASW_EGGS_BEFORE_HATCH );
}
}
}
m_OnDestroyed.FireOutput(info.GetInflictor(), this);
BaseClass::Event_Killed(info);
SetThink(&CASW_Egg::SUB_Remove);
SetNextThink(gpGlobals->curtime + 0.1f);
// break the egg
Vector velocity;
velocity = Vector( RandomFloat( 50, 100 ), RandomFloat( 50, 100 ), RandomFloat( 100, 250 ) );
AngularImpulse angVelocity = RandomAngularImpulse( -500.0f, 500.0f );
breakablepropparams_t params( GetAbsOrigin(), GetAbsAngles(), velocity, angVelocity );
params.impactEnergyScale = 1.0f;
params.defBurstScale = 100.0f;
params.defCollisionGroup = COLLISION_GROUP_DEBRIS;
PropBreakableCreateAll( GetModelIndex(), NULL, params, this, -1, true, true );
EmitSound("ASW_Egg.Gib");
}
void CASW_Egg::ParasiteDied(CASW_Parasite* pParasite)
{
m_hParasite = NULL;
}
void CASW_Egg::ASW_Ignite( float flFlameLifetime, float flSize, CBaseEntity *pAttacker, CBaseEntity *pDamagingWeapon /*= NULL */ )
{
if( IsOnFire() )
return;
AddFlag( FL_ONFIRE );
m_bOnFire = true;
if (ASWBurning())
ASWBurning()->BurnEntity(this, pAttacker, flFlameLifetime, 0.4f, 5.0f * 0.4f, pDamagingWeapon ); // 5 dps, applied every 0.4 seconds
m_hBurner = pAttacker;
m_hBurnerWeapon = pDamagingWeapon;
m_OnIgnite.FireOutput( this, this );
}
void CASW_Egg::Ignite( float flFlameLifetime, bool bNPCOnly, float flSize, bool bCalledByLevelDesigner )
{
return; // use ASW_Ignite instead
}
CASW_Parasite* CASW_Egg::GetParasite()
{
return dynamic_cast<CASW_Parasite*>(m_hParasite.Get());
}
void CASW_Egg::TraceAttack( const CTakeDamageInfo &info, const Vector &vecDir, trace_t *ptr )
{
if ( m_takedamage == DAMAGE_NO )
return;
CTakeDamageInfo subInfo = info;
m_nForceBone = ptr->physicsbone; // save this bone for physics forces
Assert( m_nForceBone > -255 && m_nForceBone < 256 );
if ( subInfo.GetDamage() >= 1.0 && !(subInfo.GetDamageType() & DMG_SHOCK )
&& !( subInfo.GetDamageType() & DMG_BURN ) )
{
Bleed( subInfo, ptr->endpos, vecDir, ptr );
}
if( !info.GetInflictor() )
{
subInfo.SetInflictor( info.GetAttacker() );
}
AddMultiDamage( subInfo, this );
}
void CASW_Egg::Bleed( const CTakeDamageInfo &info, const Vector &vecPos, const Vector &vecDir, trace_t *ptr )
{
UTIL_ASW_DroneBleed( vecPos, -vecDir, 4 );
}