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.
 
 
 
 
 
 

861 lines
25 KiB

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//
#include "cbase.h"
#include "tf_weaponbase_grenadeproj.h"
#include "tf_gamerules.h"
// Client specific.
#ifdef CLIENT_DLL
#include "c_tf_player.h"
// Server specific.
#else
#include "soundent.h"
#include "te_effect_dispatch.h"
#include "tf_player.h"
#include "func_break.h"
#include "func_nogrenades.h"
#include "Sprite.h"
#include "tf_fx.h"
#include "halloween/merasmus/merasmus.h"
#endif
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
//=============================================================================
//
// TF Grenade projectile tables.
//
// Server specific.
#ifdef GAME_DLL
BEGIN_DATADESC( CTFWeaponBaseGrenadeProj )
DEFINE_THINKFUNC( DetonateThink ),
END_DATADESC()
#ifdef STAGING_ONLY
ConVar tf_grenade_show_radius( "tf_grenade_show_radius", "0", FCVAR_CHEAT, "Render radius of grenades" );
ConVar tf_grenade_show_radius_time( "tf_grenade_show_radius_time", "5.0", FCVAR_CHEAT, "Time to show grenade radius" );
#endif // STAGING_ONLY
extern void SendProxy_Origin( const SendProp *pProp, const void *pStruct, const void *pData, DVariant *pOut, int iElement, int objectID );
extern void SendProxy_Angles( const SendProp *pProp, const void *pStruct, const void *pData, DVariant *pOut, int iElement, int objectID );
#endif
IMPLEMENT_NETWORKCLASS_ALIASED( TFWeaponBaseGrenadeProj, DT_TFWeaponBaseGrenadeProj )
LINK_ENTITY_TO_CLASS( tf_weaponbase_grenade_proj, CTFWeaponBaseGrenadeProj );
PRECACHE_REGISTER( tf_weaponbase_grenade_proj );
BEGIN_NETWORK_TABLE( CTFWeaponBaseGrenadeProj, DT_TFWeaponBaseGrenadeProj )
#ifdef CLIENT_DLL
RecvPropVector( RECVINFO( m_vInitialVelocity ) ),
RecvPropBool( RECVINFO( m_bCritical ) ),
RecvPropInt( RECVINFO( m_iDeflected ) ),
RecvPropVector( RECVINFO_NAME( m_vecNetworkOrigin, m_vecOrigin ) ),
RecvPropQAngles( RECVINFO_NAME( m_angNetworkAngles, m_angRotation ) ),
RecvPropEHandle( RECVINFO( m_hDeflectOwner )),
#else
SendPropVector( SENDINFO( m_vInitialVelocity ), 20 /*nbits*/, 0 /*flags*/, -3000 /*low value*/, 3000 /*high value*/ ),
SendPropBool( SENDINFO( m_bCritical ) ),
SendPropExclude( "DT_BaseEntity", "m_vecOrigin" ),
SendPropExclude( "DT_BaseEntity", "m_angRotation" ),
SendPropVector (SENDINFO(m_vecOrigin), -1, SPROP_COORD_MP_INTEGRAL|SPROP_CHANGES_OFTEN, 0.0f, HIGH_DEFAULT, SendProxy_Origin ),
SendPropQAngles (SENDINFO(m_angRotation), 6, SPROP_CHANGES_OFTEN, SendProxy_Angles ),
SendPropInt( SENDINFO( m_iDeflected ), 4, SPROP_UNSIGNED ),
SendPropEHandle(SENDINFO( m_hDeflectOwner )),
#endif
END_NETWORK_TABLE()
//-----------------------------------------------------------------------------
// Purpose: Constructor.
//-----------------------------------------------------------------------------
CTFWeaponBaseGrenadeProj::CTFWeaponBaseGrenadeProj()
{
#ifndef CLIENT_DLL
m_bUseImpactNormal = false;
m_vecImpactNormal.Init();
m_iDeflected = 0;
m_flDestroyableTime = 0.0f;
m_bIsMerasmusGrenade = false;
m_iDestroyableHitCount = 0;
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Destructor.
//-----------------------------------------------------------------------------
CTFWeaponBaseGrenadeProj::~CTFWeaponBaseGrenadeProj()
{
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int CTFWeaponBaseGrenadeProj::GetDamageType()
{
int iDmgType = g_aWeaponDamageTypes[ GetWeaponID() ];
if ( m_bCritical )
{
iDmgType |= DMG_CRITICAL;
}
return iDmgType;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int CTFWeaponBaseGrenadeProj::GetDamageCustom()
{
return 0;
}
const float GRENADE_COEFFICIENT_OF_RESTITUTION = 0.2f;
//-----------------------------------------------------------------------------
// Purpose: Bounce backwards
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::BounceOff( IPhysicsObject *pPhysics )
{
if ( !pPhysics )
return;
Vector vecVel;
pPhysics->GetVelocity( &vecVel, NULL );
vecVel *= -GRENADE_COEFFICIENT_OF_RESTITUTION;
pPhysics->SetVelocity( &vecVel, NULL );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
float CTFWeaponBaseGrenadeProj::GetDamageRadius()
{
float flRadius = m_DmgRadius;
CALL_ATTRIB_HOOK_FLOAT_ON_OTHER( m_hLauncher, flRadius, mult_explosion_radius );
return flRadius;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::Precache( void )
{
BaseClass::Precache();
#ifndef CLIENT_DLL
PrecacheModel( NOGRENADE_SPRITE );
PrecacheParticleSystem( "critical_grenade_blue" );
PrecacheParticleSystem( "critical_grenade_red" );
#endif
}
//=============================================================================
//
// Client specific functions.
//
#ifdef CLIENT_DLL
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::Spawn()
{
m_flSpawnTime = gpGlobals->curtime;
BaseClass::Spawn();
AddFlag( FL_GRENADE );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::OnDataChanged( DataUpdateType_t type )
{
BaseClass::OnDataChanged( type );
if ( type == DATA_UPDATE_CREATED )
{
// Now stick our initial velocity into the interpolation history
CInterpolatedVar< Vector > &interpolator = GetOriginInterpolator();
interpolator.ClearHistory();
float changeTime = GetLastChangeTime( LATCH_SIMULATION_VAR );
// Add a sample 1 second back.
Vector vCurOrigin = GetLocalOrigin() - m_vInitialVelocity;
interpolator.AddToHead( changeTime - 1.0, &vCurOrigin, false );
// Add the current sample.
vCurOrigin = GetLocalOrigin();
interpolator.AddToHead( changeTime, &vCurOrigin, false );
}
}
//=============================================================================
//
// Server specific functions.
//
#else
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
CTFWeaponBaseGrenadeProj *CTFWeaponBaseGrenadeProj::Create( const char *szName, const Vector &position, const QAngle &angles,
const Vector &velocity, const AngularImpulse &angVelocity,
CBaseCombatCharacter *pOwner, const CTFWeaponInfo &weaponInfo, int iFlags )
{
CTFWeaponBaseGrenadeProj *pGrenade = static_cast<CTFWeaponBaseGrenadeProj*>( CBaseEntity::Create( szName, position, angles, pOwner ) );
if ( pGrenade )
{
pGrenade->InitGrenade( velocity, angVelocity, pOwner, weaponInfo );
}
return pGrenade;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::InitGrenade( const Vector &velocity, const AngularImpulse &angVelocity,
CBaseCombatCharacter *pOwner, const CTFWeaponInfo &weaponInfo )
{
InitGrenade( velocity, angVelocity, pOwner, weaponInfo.GetWeaponData( TF_WEAPON_PRIMARY_MODE ).m_nDamage, weaponInfo.m_flDamageRadius );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::InitGrenade( const Vector &velocity, const AngularImpulse &angVelocity,
CBaseCombatCharacter *pOwner, const int iDamage, const float flRadius )
{
// We can't use OwnerEntity for grenades, because then the owner can't shoot them with his hitscan weapons (due to collide rules)
// Thrower is used to store the person who threw the grenade, for damage purposes.
SetOwnerEntity( NULL );
SetThrower( pOwner );
SetupInitialTransmittedGrenadeVelocity( velocity );
SetGravity( 0.4f/*BaseClass::GetGrenadeGravity()*/ );
SetFriction( 0.2f/*BaseClass::GetGrenadeFriction()*/ );
SetElasticity( 0.45f/*BaseClass::GetGrenadeElasticity()*/ );
SetDamage( iDamage );
SetDamageRadius( flRadius );
ChangeTeam( pOwner ? pOwner->GetTeamNumber() : TEAM_UNASSIGNED );
IPhysicsObject *pPhysicsObject = VPhysicsGetObject();
if ( pPhysicsObject )
{
pPhysicsObject->AddVelocity( &velocity, &angVelocity );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::Spawn( void )
{
// Base class spawn.
BaseClass::Spawn();
// So it will collide with physics props!
SetSolidFlags( FSOLID_NOT_STANDABLE );
SetSolid( SOLID_BBOX );
AddEffects( EF_NOSHADOW );
// Set the grenade size here.
UTIL_SetSize( this, Vector( -2.0f, -2.0f, -2.0f ), Vector( 2.0f, 2.0f, 2.0f ) );
// Set the movement type.
SetCollisionGroup( TF_COLLISIONGROUP_GRENADES );
VPhysicsInitNormal( SOLID_BBOX, 0, false );
m_takedamage = DAMAGE_EVENTS_ONLY;
// Set the team.
ChangeTeam( GetThrower() ? GetThrower()->GetTeamNumber() : TEAM_UNASSIGNED );
// Set skin based on team ( red = 1, blue = 2 )
m_nSkin = ( GetTeamNumber() == TF_TEAM_BLUE ) ? 1 : 0;
m_flDestroyableTime = gpGlobals->curtime + TF_GRENADE_DESTROYABLE_TIMER;
// Setup the think and touch functions (see CBaseEntity).
SetThink( &CTFWeaponBaseGrenadeProj::DetonateThink );
SetNextThink( gpGlobals->curtime + 0.2 );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
#define TF_GRENADE_JUMP_RADIUS 146
void CTFWeaponBaseGrenadeProj::Explode( trace_t *pTrace, int bitsDamageType )
{
if ( ShouldNotDetonate() )
{
Destroy();
return;
}
SetModelName( NULL_STRING );//invisible
AddSolidFlags( FSOLID_NOT_SOLID );
m_takedamage = DAMAGE_NO;
// Pull out of the wall a bit
if ( pTrace->fraction != 1.0 )
{
SetAbsOrigin( pTrace->endpos + ( pTrace->plane.normal * 1.0f ) );
}
CSoundEnt::InsertSound ( SOUND_COMBAT, GetAbsOrigin(), BASEGRENADE_EXPLOSION_VOLUME, 3.0 );
// Explosion effect on client
Vector vecOrigin = GetAbsOrigin();
CPVSFilter filter( vecOrigin );
item_definition_index_t ownerWeaponDefIndex = INVALID_ITEM_DEF_INDEX;
CTFWeaponBase *pWeapon = dynamic_cast<CTFWeaponBase *>(GetOriginalLauncher());
if (pWeapon)
{
ownerWeaponDefIndex = pWeapon->GetAttributeContainer()->GetItem()->GetItemDefIndex();
}
// Halloween Custom Spell Effect
int iHalloweenSpell = 0;
int iCustomParticleIndex = GetCustomParticleIndex();
if ( TF_IsHolidayActive( kHoliday_HalloweenOrFullMoon ) )
{
CALL_ATTRIB_HOOK_INT_ON_OTHER( m_hLauncher, iHalloweenSpell, halloween_pumpkin_explosions );
if ( iHalloweenSpell > 0 )
{
iCustomParticleIndex = GetParticleSystemIndex( "halloween_explosion" );
}
}
int iLargeExplosion = 0;
CALL_ATTRIB_HOOK_INT_ON_OTHER( m_hLauncher, iLargeExplosion, use_large_smoke_explosion );
if ( iLargeExplosion > 0 )
{
DispatchParticleEffect( "explosionTrail_seeds_mvm", GetAbsOrigin(), GetAbsAngles() );
DispatchParticleEffect( "fluidSmokeExpl_ring_mvm", GetAbsOrigin(), GetAbsAngles() );
}
if ( UseImpactNormal() )
{
if ( pTrace->m_pEnt && pTrace->m_pEnt->IsPlayer() )
{
TE_TFExplosion(filter, 0.0f, vecOrigin, GetImpactNormal(), GetWeaponID(), pTrace->m_pEnt->entindex(), ownerWeaponDefIndex, SPECIAL1, iCustomParticleIndex);
}
else
{
TE_TFExplosion(filter, 0.0f, vecOrigin, GetImpactNormal(), GetWeaponID(), kInvalidEHandleExplosion, ownerWeaponDefIndex, SPECIAL1, iCustomParticleIndex);
}
}
else
{
if ( pTrace->m_pEnt && pTrace->m_pEnt->IsPlayer() )
{
TE_TFExplosion(filter, 0.0f, vecOrigin, pTrace->plane.normal, GetWeaponID(), pTrace->m_pEnt->entindex(), ownerWeaponDefIndex, SPECIAL1, iCustomParticleIndex);
}
else
{
TE_TFExplosion(filter, 0.0f, vecOrigin, pTrace->plane.normal, GetWeaponID(), kInvalidEHandleExplosion, ownerWeaponDefIndex, SPECIAL1, iCustomParticleIndex);
}
}
// Use the thrower's position as the reported position
Vector vecReported = GetThrower() ? GetThrower()->GetAbsOrigin() : vec3_origin;
int nCustomDamage = GetDamageCustom();
CTakeDamageInfo info( this, GetThrower(), m_hLauncher, GetBlastForce(), GetAbsOrigin(), m_flDamage, bitsDamageType, nCustomDamage, &vecReported );
float flRadius = GetDamageRadius();
#ifdef STAGING_ONLY
if ( tf_grenade_show_radius.GetBool() )
{
DrawRadius( flRadius );
}
#endif
CTFRadiusDamageInfo radiusinfo( &info, vecOrigin, flRadius, NULL, TF_GRENADE_JUMP_RADIUS );
TFGameRules()->RadiusDamage( radiusinfo );
// Don't decal players with scorch.
if ( pTrace->m_pEnt && !pTrace->m_pEnt->IsPlayer() )
{
UTIL_DecalTrace( pTrace, "Scorch" );
}
if ( pTrace->m_pEnt && pTrace->m_pEnt->IsPlayer() && GetThrower() )
{
CTFPlayer *pTarget = ToTFPlayer( GetEnemy() );
if ( pTarget )
{
if ( pTarget->GetTeamNumber() != GetThrower()->GetTeamNumber() )
{
IGameEvent *event = gameeventmanager->CreateEvent( "projectile_direct_hit" );
if ( event )
{
event->SetInt( "attacker", GetThrower()->entindex() );
event->SetInt( "victim", pTarget->entindex() );
gameeventmanager->FireEvent( event, true );
}
}
}
}
SetThink( &CBaseGrenade::SUB_Remove );
SetTouch( NULL );
AddEffects( EF_NODRAW );
SetAbsVelocity( vec3_origin );
SetNextThink( gpGlobals->curtime );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int CTFWeaponBaseGrenadeProj::OnTakeDamage( const CTakeDamageInfo &info )
{
CTakeDamageInfo info2 = info;
// Reduce explosion damage so that we don't get knocked too far
if ( info.GetDamageType() & DMG_BLAST )
{
info2.ScaleDamageForce( 0.05 );
}
// We need to skip back to the base entity take damage, because
// CBaseCombatCharacter doesn't, which prevents us from reacting
// to physics impact damage.
return CBaseEntity::OnTakeDamage( info2 );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::DetonateThink( void )
{
if ( !IsInWorld() )
{
Remove( );
return;
}
if ( gpGlobals->curtime > m_flDetonateTime )
{
Detonate();
return;
}
SetNextThink( gpGlobals->curtime + 0.2 );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::Detonate( void )
{
trace_t tr;
Vector vecSpot;// trace starts here!
SetThink( NULL );
vecSpot = GetAbsOrigin() + Vector ( 0 , 0 , 8 );
UTIL_TraceLine ( vecSpot, vecSpot + Vector ( 0, 0, -32 ), MASK_SHOT_HULL, this, COLLISION_GROUP_NONE, & tr);
Explode( &tr, GetDamageType() );
if ( GetShakeAmplitude() )
{
UTIL_ScreenShake( GetAbsOrigin(), GetShakeAmplitude(), 150.0, 1.0, GetShakeRadius(), SHAKE_START );
}
}
//-----------------------------------------------------------------------------
// Purpose: Sets the time at which the grenade will explode.
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::SetDetonateTimerLength( float timer )
{
float fFuseMult = 1.0f;
if ( GetOwnerEntity() )
{
CALL_ATTRIB_HOOK_FLOAT_ON_OTHER( GetOwnerEntity(), fFuseMult, fuse_mult );
}
m_flDetonateTime = gpGlobals->curtime + ( timer * fFuseMult );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::ResolveFlyCollisionCustom( trace_t &trace, Vector &vecVelocity )
{
//Assume all surfaces have the same elasticity
float flSurfaceElasticity = 1.0;
//Don't bounce off of players with perfect elasticity
if( trace.m_pEnt && trace.m_pEnt->IsPlayer() )
{
flSurfaceElasticity = 0.3;
}
#if 0
// if its breakable glass and we kill it, don't bounce.
// give some damage to the glass, and if it breaks, pass
// through it.
bool breakthrough = false;
if( trace.m_pEnt && FClassnameIs( trace.m_pEnt, "func_breakable" ) )
{
breakthrough = true;
}
if( trace.m_pEnt && FClassnameIs( trace.m_pEnt, "func_breakable_surf" ) )
{
breakthrough = true;
}
if (breakthrough)
{
CTakeDamageInfo info( this, this, 10, DMG_CLUB );
trace.m_pEnt->DispatchTraceAttack( info, GetAbsVelocity(), &trace );
ApplyMultiDamage();
if( trace.m_pEnt->m_iHealth <= 0 )
{
// slow our flight a little bit
Vector vel = GetAbsVelocity();
vel *= 0.4;
SetAbsVelocity( vel );
return;
}
}
#endif
float flTotalElasticity = GetElasticity() * flSurfaceElasticity;
flTotalElasticity = clamp( flTotalElasticity, 0.0f, 0.9f );
// NOTE: A backoff of 2.0f is a reflection
Vector vecAbsVelocity;
PhysicsClipVelocity( GetAbsVelocity(), trace.plane.normal, vecAbsVelocity, 2.0f );
vecAbsVelocity *= flTotalElasticity;
// Get the total velocity (player + conveyors, etc.)
VectorAdd( vecAbsVelocity, GetBaseVelocity(), vecVelocity );
float flSpeedSqr = DotProduct( vecVelocity, vecVelocity );
// Stop if on ground.
if ( trace.plane.normal.z > 0.7f ) // Floor
{
// Verify that we have an entity.
CBaseEntity *pEntity = trace.m_pEnt;
Assert( pEntity );
SetAbsVelocity( vecAbsVelocity );
if ( flSpeedSqr < ( 30 * 30 ) )
{
if ( pEntity->IsStandable() )
{
SetGroundEntity( pEntity );
}
// Reset velocities.
SetAbsVelocity( vec3_origin );
SetLocalAngularVelocity( vec3_angle );
//align to the ground so we're not standing on end
QAngle angle;
VectorAngles( trace.plane.normal, angle );
// rotate randomly in yaw
angle[1] = random->RandomFloat( 0, 360 );
// TFTODO: rotate around trace.plane.normal
SetAbsAngles( angle );
}
else
{
Vector vecDelta = GetBaseVelocity() - vecAbsVelocity;
Vector vecBaseDir = GetBaseVelocity();
VectorNormalize( vecBaseDir );
float flScale = vecDelta.Dot( vecBaseDir );
VectorScale( vecAbsVelocity, ( 1.0f - trace.fraction ) * gpGlobals->frametime, vecVelocity );
VectorMA( vecVelocity, ( 1.0f - trace.fraction ) * gpGlobals->frametime, GetBaseVelocity() * flScale, vecVelocity );
PhysicsPushEntity( vecVelocity, &trace );
}
}
else
{
// If we get *too* slow, we'll stick without ever coming to rest because
// we'll get pushed down by gravity faster than we can escape from the wall.
if ( flSpeedSqr < ( 30 * 30 ) )
{
// Reset velocities.
SetAbsVelocity( vec3_origin );
SetLocalAngularVelocity( vec3_angle );
}
else
{
SetAbsVelocity( vecAbsVelocity );
}
}
BounceSound();
#if 0
// tell the bots a grenade has bounced
CCSPlayer *player = ToCSPlayer(GetThrower());
if ( player )
{
KeyValues *event = new KeyValues( "grenade_bounce" );
event->SetInt( "userid", player->GetUserID() );
gameeventmanager->FireEventServerOnly( event );
}
#endif
}
bool CTFWeaponBaseGrenadeProj::ShouldNotDetonate( void )
{
return InNoGrenadeZone( this );
}
void CTFWeaponBaseGrenadeProj::Destroy( bool bBlinkOut, bool bBreak )
{
if ( bBreak )
{
CPVSFilter filter( GetAbsOrigin() );
UserMessageBegin( filter, "BreakModelRocketDud" );
WRITE_SHORT( GetModelIndex() );
WRITE_VEC3COORD( GetAbsOrigin() );
WRITE_ANGLES( GetAbsAngles() );
MessageEnd();
}
// Kill it
SetThink( &BaseClass::SUB_Remove );
SetNextThink( gpGlobals->curtime );
SetTouch( NULL );
AddEffects( EF_NODRAW );
if ( bBlinkOut )
{
// Sprite flash
CSprite *pGlowSprite = CSprite::SpriteCreate( NOGRENADE_SPRITE, GetAbsOrigin(), false );
if ( pGlowSprite )
{
pGlowSprite->SetTransparency( kRenderGlow, 255, 255, 255, 255, kRenderFxFadeFast );
pGlowSprite->SetThink( &CSprite::SUB_Remove );
pGlowSprite->SetNextThink( gpGlobals->curtime + 1.0 );
}
}
}
//-----------------------------------------------------------------------------
// Purpose: This will hit only things that are in newCollisionGroup, but NOT in collisionGroupAlreadyChecked
// Always ignores other grenade projectiles.
//-----------------------------------------------------------------------------
class CTraceFilterCollisionGrenades : public CTraceFilterEntitiesOnly
{
public:
// It does have a base, but we'll never network anything below here..
DECLARE_CLASS_NOBASE( CTraceFilterCollisionGrenades );
CTraceFilterCollisionGrenades( const IHandleEntity *passentity, const IHandleEntity *passentity2 )
: m_pPassEnt(passentity), m_pPassEnt2(passentity2)
{
}
virtual bool ShouldHitEntity( IHandleEntity *pHandleEntity, int contentsMask )
{
if ( !PassServerEntityFilter( pHandleEntity, m_pPassEnt ) )
return false;
CBaseEntity *pEntity = EntityFromEntityHandle( pHandleEntity );
if ( pEntity )
{
if ( pEntity == m_pPassEnt2 )
return false;
if ( pEntity->GetCollisionGroup() == TF_COLLISIONGROUP_GRENADES )
return false;
if ( pEntity->GetCollisionGroup() == TFCOLLISION_GROUP_ROCKETS )
return false;
if ( pEntity->GetCollisionGroup() == COLLISION_GROUP_DEBRIS )
return false;
if ( pEntity->GetCollisionGroup() == TFCOLLISION_GROUP_RESPAWNROOMS )
return false;
if ( pEntity->GetCollisionGroup() == COLLISION_GROUP_NONE )
return false;
return true;
}
return true;
}
protected:
const IHandleEntity *m_pPassEnt;
const IHandleEntity *m_pPassEnt2;
};
//-----------------------------------------------------------------------------
// Purpose: Grenades aren't solid to players, so players don't get stuck on
// them when they're lying on the ground. We still want thrown grenades
// to bounce of players though, so manually trace ahead and see if we'd
// hit something that we'd like the grenade to "collide" with.
//-----------------------------------------------------------------------------
void CTFWeaponBaseGrenadeProj::VPhysicsUpdate( IPhysicsObject *pPhysics )
{
BaseClass::VPhysicsUpdate( pPhysics );
Vector vel;
AngularImpulse angVel;
pPhysics->GetVelocity( &vel, &angVel );
Vector start = GetAbsOrigin();
// find all entities that my collision group wouldn't hit, but COLLISION_GROUP_NONE would and bounce off of them as a ray cast
CTraceFilterCollisionGrenades filter( this, GetThrower() );
ITraceFilter *pFilterChain = NULL;
CTraceFilterIgnoreFriendlyCombatItems filterCombatItems( this, COLLISION_GROUP_NONE, GetTeamNumber(), true );
if ( TFGameRules() && TFGameRules()->GameModeUsesUpgrades() )
{
pFilterChain = &filterCombatItems;
}
CTraceFilterChain filterChain( &filter, pFilterChain );
trace_t tr;
UTIL_TraceLine( start, start + vel * gpGlobals->frametime, CONTENTS_HITBOX|CONTENTS_MONSTER|CONTENTS_SOLID, &filterChain, &tr );
bool bHitEnemy = tr.m_pEnt && tr.m_pEnt->GetTeamNumber() == GetEnemyTeam( GetTeamNumber() );
bool bHitFriendly = tr.m_pEnt && tr.m_pEnt->GetTeamNumber() == GetTeamNumber() && CanCollideWithTeammates();
// Combat items are solid to enemy projectiles and bullets
if ( bHitEnemy && tr.m_pEnt->IsCombatItem() )
{
if ( IsAllowedToExplode() )
{
Explode( &tr, GetDamageType() );
}
else
{
BounceOff( pPhysics );
}
return;
}
if ( tr.startsolid )
{
if ( bHitEnemy )
{
Touch( tr.m_pEnt );
}
else if ( !m_bInSolid && bHitFriendly )
{
BounceOff( pPhysics );
}
m_bInSolid = true;
return;
}
m_bInSolid = false;
if ( tr.DidHit() )
{
Touch( tr.m_pEnt );
if ( bHitFriendly || bHitEnemy )
{
// reflect velocity around normal
vel = -2.0f * tr.plane.normal * DotProduct(vel,tr.plane.normal) + vel;
// absorb 80% in impact
vel *= GetElasticity();
if ( bHitEnemy == true )
{
vel *= 0.5f;
}
angVel *= -0.5f;
pPhysics->SetVelocity( &vel, &angVel );
}
}
}
#ifdef STAGING_ONLY
void CTFWeaponBaseGrenadeProj::DrawRadius( float flRadius )
{
Vector pos = GetAbsOrigin();
int r = 255;
int g = 0, b = 0;
float flLifetime = tf_grenade_show_radius_time.GetFloat();
bool bDepthTest = true;
Vector edge, lastEdge;
NDebugOverlay::Line( pos, pos + Vector( 0, 0, 50 ), r, g, b, !bDepthTest, flLifetime );
lastEdge = Vector( flRadius + pos.x, pos.y, pos.z );
float angle;
for( angle=0.0f; angle <= 360.0f; angle += 22.5f )
{
edge.x = flRadius * cos( DEG2RAD( angle ) ) + pos.x;
edge.y = pos.y;
edge.z = flRadius * sin( DEG2RAD( angle ) ) + pos.z;
NDebugOverlay::Line( edge, lastEdge, r, g, b, !bDepthTest, flLifetime );
lastEdge = edge;
}
lastEdge = Vector( pos.x, flRadius + pos.y, pos.z );
for( angle=0.0f; angle <= 360.0f; angle += 22.5f )
{
edge.x = pos.x;
edge.y = flRadius * cos( DEG2RAD( angle ) ) + pos.y;
edge.z = flRadius * sin( DEG2RAD( angle ) ) + pos.z;
NDebugOverlay::Line( edge, lastEdge, r, g, b, !bDepthTest, flLifetime );
lastEdge = edge;
}
lastEdge = Vector( pos.x, flRadius + pos.y, pos.z );
for( angle=0.0f; angle <= 360.0f; angle += 22.5f )
{
edge.x = flRadius * cos( DEG2RAD( angle ) ) + pos.x;
edge.y = flRadius * sin( DEG2RAD( angle ) ) + pos.y;
edge.z = pos.z;
NDebugOverlay::Line( edge, lastEdge, r, g, b, !bDepthTest, flLifetime );
lastEdge = edge;
}
}
#endif // STAGING_ONLY
#endif