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Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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source-engine/game/shared/hl1/hl1mp_weapon_gauss.cpp

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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Gauss
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "npcevent.h"
#include "hl1mp_basecombatweapon_shared.h"
//#include "basecombatcharacter.h"
//#include "AI_BaseNPC.h"
#include "takedamageinfo.h"
#ifdef CLIENT_DLL
#include "hl1/hl1_c_player.h"
#else
#include "hl1_player.h"
#endif
#include "gamerules.h"
#include "in_buttons.h"
#ifdef CLIENT_DLL
#else
#include "soundent.h"
#include "game.h"
#endif
#include "vstdlib/random.h"
#include "engine/IEngineSound.h"
#include "soundenvelope.h"
//#include "hl1_player.h"
#include "shake.h"
#include "effect_dispatch_data.h"
#ifdef CLIENT_DLL
#include "c_te_effect_dispatch.h"
#else
#include "te_effect_dispatch.h"
#endif
#include "SoundEmitterSystem/isoundemittersystembase.h"
#define GAUSS_GLOW_SPRITE "sprites/hotglow.vmt"
#define GAUSS_BEAM_SPRITE "sprites/smoke.vmt"
extern ConVar sk_plr_dmg_gauss;
#ifdef CLIENT_DLL
#define CWeaponGauss C_WeaponGauss
#endif
//-----------------------------------------------------------------------------
// CWeaponGauss
//-----------------------------------------------------------------------------
class CWeaponGauss : public CBaseHL1MPCombatWeapon
{
DECLARE_CLASS( CWeaponGauss, CBaseHL1MPCombatWeapon );
public:
DECLARE_NETWORKCLASS();
DECLARE_PREDICTABLE();
CWeaponGauss( void );
void Precache( void );
void PrimaryAttack( void );
void SecondaryAttack( void );
void WeaponIdle( void );
void AddViewKick( void );
bool Deploy( void );
bool Holster( CBaseCombatWeapon *pSwitchingTo = NULL );
// DECLARE_SERVERCLASS();
DECLARE_DATADESC();
private:
void StopSpinSound( void );
float GetFullChargeTime( void );
void StartFire( void );
void Fire( Vector vecOrigSrc, Vector vecDir, float flDamage );
private:
// int m_nAttackState;
// bool m_bPrimaryFire;
CNetworkVar( int, m_nAttackState);
CNetworkVar( bool, m_bPrimaryFire);
CSoundPatch *m_sndCharge;
};
IMPLEMENT_NETWORKCLASS_ALIASED( WeaponGauss, DT_WeaponGauss );
BEGIN_NETWORK_TABLE( CWeaponGauss, DT_WeaponGauss )
#ifdef CLIENT_DLL
RecvPropInt( RECVINFO( m_nAttackState ) ),
RecvPropBool( RECVINFO( m_bPrimaryFire ) ),
#else
SendPropInt( SENDINFO( m_nAttackState ) ),
SendPropBool( SENDINFO( m_bPrimaryFire ) ),
#endif
END_NETWORK_TABLE()
BEGIN_PREDICTION_DATA( CWeaponGauss )
#ifdef CLIENT_DLL
DEFINE_PRED_FIELD( m_nAttackState, FIELD_INTEGER, FTYPEDESC_INSENDTABLE ),
DEFINE_PRED_FIELD( m_bPrimaryFire, FIELD_BOOLEAN, FTYPEDESC_INSENDTABLE ),
#endif
END_PREDICTION_DATA()
LINK_ENTITY_TO_CLASS( weapon_gauss, CWeaponGauss );
PRECACHE_WEAPON_REGISTER( weapon_gauss );
//IMPLEMENT_SERVERCLASS_ST( CWeaponGauss, DT_WeaponGauss )
//END_SEND_TABLE()
BEGIN_DATADESC( CWeaponGauss )
DEFINE_FIELD( m_nAttackState, FIELD_INTEGER ),
DEFINE_FIELD( m_bPrimaryFire, FIELD_BOOLEAN ),
DEFINE_SOUNDPATCH( m_sndCharge ),
END_DATADESC()
//-----------------------------------------------------------------------------
// Purpose: Constructor
//-----------------------------------------------------------------------------
CWeaponGauss::CWeaponGauss( void )
{
m_bReloadsSingly = false;
m_bFiresUnderwater = false;
m_bPrimaryFire = false;
m_nAttackState = 0;
m_sndCharge = NULL;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CWeaponGauss::Precache( void )
{
PrecacheModel( GAUSS_GLOW_SPRITE );
PrecacheModel( GAUSS_BEAM_SPRITE );
PrecacheScriptSound( "Weapon_Gauss.Zap1" );
PrecacheScriptSound( "Weapon_Gauss.Zap2" );
PrecacheScriptSound( "Weapon_Gauss.Fire" );
PrecacheScriptSound( "Weapon_Gauss.StaticDischarge" );
PrecacheScriptSound( "Weapon_Gauss.Spin" );
BaseClass::Precache();
}
float CWeaponGauss::GetFullChargeTime( void )
{
if ( g_pGameRules->IsMultiplayer() )
{
return 1.5;
}
else
{
return 4;
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CWeaponGauss::PrimaryAttack( void )
{
CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
if ( !pPlayer )
{
return;
}
if ( pPlayer->GetAmmoCount( m_iPrimaryAmmoType ) < 2 )
{
WeaponSound( EMPTY );
pPlayer->SetNextAttack( gpGlobals->curtime + 0.5 );
return;
}
//FIXME pPlayer->m_iWeaponVolume = GAUSS_PRIMARY_FIRE_VOLUME;
m_bPrimaryFire = true;
pPlayer->RemoveAmmo( 2, m_iPrimaryAmmoType );
StartFire();
m_nAttackState = 0;
SetWeaponIdleTime( gpGlobals->curtime + 1.0 );
pPlayer->SetNextAttack( gpGlobals->curtime + 0.2 );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CWeaponGauss::SecondaryAttack( void )
{
CHL1_Player *pPlayer = ToHL1Player( GetOwner() );
if ( !pPlayer )
{
return;
}
// don't fire underwater
if ( pPlayer->GetWaterLevel() == 3 )
{
if ( m_nAttackState != 0 )
{
EmitSound( "Weapon_Gauss.Zap1" );
SendWeaponAnim( ACT_VM_IDLE );
m_nAttackState = 0;
}
else
{
WeaponSound( EMPTY );
}
m_flNextSecondaryAttack = m_flNextPrimaryAttack = gpGlobals->curtime + 0.5;
return;
}
if ( m_nAttackState == 0 )
{
if ( pPlayer->GetAmmoCount( m_iPrimaryAmmoType ) <= 0 )
{
WeaponSound( EMPTY );
pPlayer->SetNextAttack( gpGlobals->curtime + 0.5 );
return;
}
m_bPrimaryFire = false;
pPlayer->RemoveAmmo( 1, m_iPrimaryAmmoType ); // take one ammo just to start the spin
pPlayer->m_flNextAmmoBurn = gpGlobals->curtime;
// spin up
//FIXME pPlayer->m_iWeaponVolume = GAUSS_PRIMARY_CHARGE_VOLUME;
SendWeaponAnim( ACT_GAUSS_SPINUP );
m_nAttackState = 1;
SetWeaponIdleTime( gpGlobals->curtime + 0.5 );
pPlayer->m_flStartCharge = gpGlobals->curtime;
pPlayer->m_flAmmoStartCharge = gpGlobals->curtime + GetFullChargeTime();
//Start looping sound
if ( m_sndCharge == NULL )
{
CPASAttenuationFilter filter( this );
m_sndCharge = (CSoundEnvelopeController::GetController()).SoundCreate( filter, entindex(), CHAN_WEAPON, "Weapon_Gauss.Spin", ATTN_NORM );
}
if ( m_sndCharge != NULL )
{
(CSoundEnvelopeController::GetController()).Play( m_sndCharge, 1.0f, 110 );
}
}
else if (m_nAttackState == 1)
{
if ( HasWeaponIdleTimeElapsed() )
{
SendWeaponAnim( ACT_GAUSS_SPINCYCLE );
m_nAttackState = 2;
}
}
else
{
// during the charging process, eat one bit of ammo every once in a while
if ( gpGlobals->curtime >= pPlayer->m_flNextAmmoBurn && pPlayer->m_flNextAmmoBurn != 1000 )
{
pPlayer->RemoveAmmo( 1, m_iPrimaryAmmoType );
if ( g_pGameRules->IsMultiplayer() )
{
pPlayer->m_flNextAmmoBurn = gpGlobals->curtime + 0.1;
}
else
{
pPlayer->m_flNextAmmoBurn = gpGlobals->curtime + 0.3;
}
}
if ( pPlayer->GetAmmoCount( m_iPrimaryAmmoType ) <= 0 )
{
// out of ammo! force the gun to fire
StartFire();
m_nAttackState = 0;
SetWeaponIdleTime( gpGlobals->curtime + 1.0 );
pPlayer->SetNextAttack( gpGlobals->curtime + 1 );
return;
}
if ( gpGlobals->curtime >= pPlayer->m_flAmmoStartCharge )
{
// don't eat any more ammo after gun is fully charged.
pPlayer->m_flNextAmmoBurn = 1000;
}
int pitch = ( gpGlobals->curtime - pPlayer->m_flStartCharge ) * ( 150 / GetFullChargeTime() ) + 100;
if ( pitch > 250 )
pitch = 250;
// ALERT( at_console, "%d %d %d\n", m_nAttackState, m_iSoundState, pitch );
// if ( m_iSoundState == 0 )
// ALERT( at_console, "sound state %d\n", m_iSoundState );
if ( m_sndCharge != NULL )
{
(CSoundEnvelopeController::GetController()).SoundChangePitch( m_sndCharge, pitch, 0 );
}
//FIXME m_pPlayer->m_iWeaponVolume = GAUSS_PRIMARY_CHARGE_VOLUME;
// m_flTimeWeaponIdle = gpGlobals->curtime + 0.1;
if ( pPlayer->m_flStartCharge < gpGlobals->curtime - 10 )
{
// Player charged up too long. Zap him.
EmitSound( "Weapon_Gauss.Zap1" );
EmitSound( "Weapon_Gauss.Zap2" );
m_nAttackState = 0;
SetWeaponIdleTime( gpGlobals->curtime + 1.0 );
pPlayer->SetNextAttack( gpGlobals->curtime + 1.0 );
#if !defined(CLIENT_DLL )
// Add DMG_CRUSH because we don't want any physics force
pPlayer->TakeDamage( CTakeDamageInfo( this, this, 50, DMG_SHOCK | DMG_CRUSH ) );
color32 gaussDamage = {255,128,0,128};
UTIL_ScreenFade( pPlayer, gaussDamage, 2, 0.5, FFADE_IN );
#endif
SendWeaponAnim( ACT_VM_IDLE );
StopSpinSound();
// Player may have been killed and this weapon dropped, don't execute any more code after this!
return;
}
}
}
//=========================================================
// StartFire- since all of this code has to run and then
// call Fire(), it was easier at this point to rip it out
// of weaponidle() and make its own function then to try to
// merge this into Fire(), which has some identical variable names
//=========================================================
void CWeaponGauss::StartFire( void )
{
float flDamage;
CHL1_Player *pPlayer = ToHL1Player( GetOwner() );
if ( !pPlayer )
{
return;
}
Vector vecAiming = pPlayer->GetAutoaimVector( 0 );
Vector vecSrc = pPlayer->Weapon_ShootPosition( );
if ( gpGlobals->curtime - pPlayer->m_flStartCharge > GetFullChargeTime() )
{
flDamage = 200;
}
else
{
flDamage = 200 * (( gpGlobals->curtime - pPlayer->m_flStartCharge) / GetFullChargeTime() );
}
if ( m_bPrimaryFire )
{
flDamage = sk_plr_dmg_gauss.GetFloat() * g_pGameRules->GetDamageMultiplier();
}
//ALERT ( at_console, "Time:%f Damage:%f\n", gpGlobals->curtime - m_pPlayer->m_flStartCharge, flDamage );
Vector vecNewVel = pPlayer->GetAbsVelocity();
float flZVel = vecNewVel.z;
if ( !m_bPrimaryFire )
{
vecNewVel = vecNewVel - vecAiming * flDamage * 5;
pPlayer->SetAbsVelocity( vecNewVel );
}
if ( !g_pGameRules->IsMultiplayer() )
{
// in deathmatch, gauss can pop you up into the air. Not in single play.
vecNewVel.z = flZVel;
pPlayer->SetAbsVelocity( vecNewVel );
}
// player "shoot" animation
pPlayer->SetAnimation( PLAYER_ATTACK1 );
// time until aftershock 'static discharge' sound
pPlayer->m_flPlayAftershock = gpGlobals->curtime + random->RandomFloat( 0.3, 0.8 );
Fire( vecSrc, vecAiming, flDamage );
}
void CWeaponGauss::Fire( Vector vecOrigSrc, Vector vecDir, float flDamage )
{
CBaseEntity *pIgnore;
Vector vecSrc = vecOrigSrc;
Vector vecDest = vecSrc + vecDir * MAX_TRACE_LENGTH;
bool fFirstBeam = true;
bool fHasPunched = false;
float flMaxFrac = 1.0;
int nMaxHits = 10;
CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
if ( !pPlayer )
{
return;
}
//FIXME pPlayer->m_iWeaponVolume = GAUSS_PRIMARY_FIRE_VOLUME;
StopSpinSound();
pIgnore = pPlayer;
// ALERT( at_console, "%f %f\n", tr.flFraction, flMaxFrac );
while ( flDamage > 10 && nMaxHits > 0 )
{
trace_t tr;
nMaxHits--;
// ALERT( at_console, "." );
UTIL_TraceLine( vecSrc, vecDest, MASK_SHOT, pIgnore, COLLISION_GROUP_NONE, &tr );
if ( tr.allsolid )
break;
CBaseEntity *pEntity = tr.m_pEnt;
if (pEntity == NULL)
break;
CBroadcastRecipientFilter filter;
CEffectData data6;
if ( fFirstBeam )
{
pPlayer->DoMuzzleFlash();
fFirstBeam = false;
data6.m_vOrigin = tr.endpos;
// data6.m_nEntIndex = pPlayer->GetViewModel()->entindex();
#ifdef CLIENT_DLL
data6.m_hEntity = pPlayer;
#else
data6.m_nEntIndex = pPlayer->entindex();
#endif
data6.m_fFlags = m_bPrimaryFire;
te->DispatchEffect( filter, 0.0, data6.m_vOrigin, "HL1GaussBeam", data6 );
}
else
{
data6.m_vOrigin = tr.endpos;
data6.m_vStart = vecSrc;
data6.m_fFlags = m_bPrimaryFire;
te->DispatchEffect( filter, 0.0, data6.m_vOrigin, "HL1GaussBeamReflect", data6 );
}
bool fShouldDamageEntity = ( pEntity->m_takedamage != DAMAGE_NO );
if ( fShouldDamageEntity )
{
ClearMultiDamage();
CTakeDamageInfo info( this, pPlayer, flDamage, DMG_ENERGYBEAM );
CalculateMeleeDamageForce( &info, vecDir, tr.endpos );
pEntity->DispatchTraceAttack( info, vecDir, &tr );
ApplyMultiDamage();
}
if ( pEntity->IsBSPModel() && !fShouldDamageEntity )
{
float n;
pIgnore = NULL;
n = -DotProduct( tr.plane.normal, vecDir );
if ( n < 0.5 ) // 60 degrees
{
// ALERT( at_console, "reflect %f\n", n );
// reflect
Vector vecReflect;
vecReflect = 2.0 * tr.plane.normal * n + vecDir;
flMaxFrac = flMaxFrac - tr.fraction;
vecDir = vecReflect;
vecSrc = tr.endpos;// + vecDir * 8;
vecDest = vecSrc + vecDir * MAX_TRACE_LENGTH;
#if !defined(CLIENT_DLL)
// explode a bit
RadiusDamage( CTakeDamageInfo( this, pPlayer, flDamage * n, DMG_BLAST ), tr.endpos, flDamage * n * 2.5, CLASS_NONE, NULL );
#endif
CEffectData data1;
data1.m_vOrigin = tr.endpos;
data1.m_vNormal = tr.plane.normal;
data1.m_flMagnitude = flDamage * n;
DispatchEffect( "HL1GaussReflect", data1 );
// lose energy
if (n == 0)
n = 0.1;
flDamage = flDamage * (1 - n);
}
else
{
// tunnel
UTIL_ImpactTrace( &tr, DMG_ENERGYBEAM );
CEffectData data4;
data4.m_vOrigin = tr.endpos;
data4.m_flMagnitude = flDamage;
DispatchEffect( "HL1GaussWallImpact1", data4 );
// limit it to one hole punch
if ( fHasPunched )
break;
fHasPunched = true;
// try punching through wall if secondary attack (primary is incapable of breaking through)
if ( !m_bPrimaryFire )
{
trace_t punch_tr;
UTIL_TraceLine( tr.endpos + vecDir * 8, vecDest, MASK_SHOT, pIgnore, COLLISION_GROUP_NONE, &punch_tr);
if ( !punch_tr.allsolid )
{
trace_t exit_tr;
// trace backwards to find exit point
UTIL_TraceLine( punch_tr.endpos, tr.endpos, MASK_SHOT, pIgnore, COLLISION_GROUP_NONE, &exit_tr);
float n = (exit_tr.endpos - tr.endpos).Length( );
if ( n < flDamage )
{
if (n == 0)
n = 1;
flDamage -= n;
CEffectData data2;
data2.m_vOrigin = tr.endpos;
data2.m_vNormal = vecDir;
DispatchEffect( "HL1GaussWallPunchEnter", data2 );
UTIL_ImpactTrace( &exit_tr, DMG_ENERGYBEAM );
CEffectData data3;
data3.m_vOrigin = exit_tr.endpos;
data3.m_vNormal = vecDir;
data3.m_flMagnitude = flDamage;
DispatchEffect( "HL1GaussWallPunchExit", data3 );
// ALERT( at_console, "punch %f\n", n );
// exit blast damage
float flDamageRadius;
if ( g_pGameRules->IsMultiplayer() )
{
flDamageRadius = flDamage * 1.75; // Old code == 2.5
}
else
{
flDamageRadius = flDamage * 2.5;
}
#if !defined( CLIENT_DLL)
RadiusDamage( CTakeDamageInfo( this, pPlayer, flDamage, DMG_BLAST ), exit_tr.endpos + vecDir * 8, flDamageRadius, CLASS_NONE, NULL );
CSoundEnt::InsertSound( SOUND_COMBAT, GetAbsOrigin(), 1024, 3.0 );
#endif
vecSrc = exit_tr.endpos + vecDir;
}
}
else
{
//ALERT( at_console, "blocked %f\n", n );
flDamage = 0;
}
}
else
{
//ALERT( at_console, "blocked solid\n" );
if ( m_bPrimaryFire )
{
// slug doesn't punch through ever with primary
// fire, so leave a little glowy bit and make some balls
CEffectData data5;
data5.m_vOrigin = tr.endpos;
data5.m_vNormal = tr.plane.normal;
DispatchEffect( "HL1GaussWallImpact2", data5 );
#if !defined( CLIENT_DLL)
CSoundEnt::InsertSound( SOUND_COMBAT, GetAbsOrigin(), 600, 0.5 );
#endif
}
flDamage = 0;
}
}
}
else
{
vecSrc = tr.endpos + vecDir;
pIgnore = pEntity;
}
}
pPlayer->ViewPunch( QAngle( -2, 0, 0 ) );
SendWeaponAnim( ACT_VM_PRIMARYATTACK );
CPASAttenuationFilter filter( this );
CSoundParameters params;
if ( GetParametersForSound( "Weapon_Gauss.Fire", params, NULL ) )
{
EmitSound_t ep( params );
ep.m_flVolume = 0.5 + flDamage * (1.0 / 400.0);
EmitSound( filter, entindex(), ep );
}
}
void CWeaponGauss::WeaponIdle( void )
{
CHL1_Player *pPlayer = ToHL1Player( GetOwner() );
if ( !pPlayer )
{
return;
}
// play aftershock static discharge
if ( pPlayer->m_flPlayAftershock && pPlayer->m_flPlayAftershock < gpGlobals->curtime )
{
EmitSound( "Weapon_Gauss.StaticDischarge" );
pPlayer->m_flPlayAftershock = 0.0;
}
if ( !HasWeaponIdleTimeElapsed() )
return;
if ( m_nAttackState != 0 )
{
StartFire();
m_nAttackState = 0;
SetWeaponIdleTime( gpGlobals->curtime + 2.0 );
}
else
{
float flRand = random->RandomFloat( 0, 1 );
if ( flRand <= 0.75 )
{
SendWeaponAnim( ACT_VM_IDLE );
SetWeaponIdleTime( gpGlobals->curtime + random->RandomFloat( 10, 15 ) );
}
else
{
SendWeaponAnim( ACT_VM_FIDGET );
SetWeaponIdleTime( gpGlobals->curtime + 3 );
}
}
}
/*
==================================================
AddViewKick
==================================================
*/
void CWeaponGauss::AddViewKick( void )
{
}
bool CWeaponGauss::Deploy( void )
{
if ( DefaultDeploy( (char*)GetViewModel(), (char*)GetWorldModel(), ACT_VM_DRAW, (char*)GetAnimPrefix() ) )
{
CHL1_Player *pPlayer = ToHL1Player( GetOwner() );
if ( pPlayer )
{
pPlayer->m_flPlayAftershock = 0.0;
}
return true;
}
else
{
return false;
}
}
bool CWeaponGauss::Holster( CBaseCombatWeapon *pSwitchingTo )
{
StopSpinSound();
m_nAttackState = 0;
return BaseClass::Holster(pSwitchingTo);
}
void CWeaponGauss::StopSpinSound( void )
{
if ( m_sndCharge != NULL )
{
(CSoundEnvelopeController::GetController()).SoundDestroy( m_sndCharge );
m_sndCharge = NULL;
}
}