void CSDKPlayer::FireBullet(
Vector vecSrc, // shooting postion
const QAngle &shootAngles, //shooting angle
float vecSpread, // spread vector
int iDamage, // base damage
int iBulletType, // ammo type
CBaseEntity *pevAttacker, // shooter
bool bDoEffects, // create impact effect ?
float x, // spread x factor
float y // spread y factor
)
{
float fCurrentDamage = iDamage; // damage of the bullet at it's current trajectory
float flCurrentDistance = 0.0; //distance that the bullet has traveled so far
Vector vecDirShooting, vecRight, vecUp;
AngleVectors( shootAngles, &vecDirShooting, &vecRight, &vecUp );
if ( !pevAttacker )
pevAttacker = this; // the default attacker is ourselves
// add the spray
Vector vecDir = vecDirShooting +
x * vecSpread * vecRight +
y * vecSpread * vecUp;
VectorNormalize( vecDir );
float flMaxRange = 8000;
Vector vecEnd = vecSrc + vecDir * flMaxRange; // max bullet range is 10000 units
trace_t tr; // main enter bullet trace
UTIL_TraceLine( vecSrc, vecEnd, MASK_SOLID|CONTENTS_DEBRIS|CONTENTS_HITBOX, this, COLLISION_GROUP_NONE, &tr );
if ( tr.fraction == 1.0f )
return; // we didn't hit anything, stop tracing shoot
if ( sv_showimpacts.GetBool() )
{
#ifdef CLIENT_DLL
// draw red client impact markers
debugoverlay->AddBoxOverlay( tr.endpos, Vector(-2,-2,-2), Vector(2,2,2), QAngle( 0, 0, 0), 255,0,0,127, 4 );
if ( tr.m_pEnt && tr.m_pEnt->IsPlayer() )
{
C_BasePlayer *player = ToBasePlayer( tr.m_pEnt );
player->DrawClientHitboxes( 4, true );
}
#else
// draw blue server impact markers
NDebugOverlay::Box( tr.endpos, Vector(-2,-2,-2), Vector(2,2,2), 0,0,255,127, 4 );
if ( tr.m_pEnt && tr.m_pEnt->IsPlayer() )
{
CBasePlayer *player = ToBasePlayer( tr.m_pEnt );
player->DrawServerHitboxes( 4, true );
}
#endif
}
//calculate the damage based on the distance the bullet travelled.
flCurrentDistance += tr.fraction * flMaxRange;
// damage get weaker of distance
fCurrentDamage *= pow ( 0.85f, (flCurrentDistance / 500));
int iDamageType = DMG_BULLET | DMG_NEVERGIB;
if( bDoEffects )
{
// See if the bullet ended up underwater + started out of the water
if ( enginetrace->GetPointContents( tr.endpos ) & (CONTENTS_WATER|CONTENTS_SLIME) )
{
trace_t waterTrace;
UTIL_TraceLine( vecSrc, tr.endpos, (MASK_SHOT|CONTENTS_WATER|CONTENTS_SLIME), this, COLLISION_GROUP_NONE, &waterTrace );
if( waterTrace.allsolid != 1 )
{
CEffectData data;
data.m_vOrigin = waterTrace.endpos;
data.m_vNormal = waterTrace.plane.normal;
data.m_flScale = random->RandomFloat( 8, 12 );
if ( waterTrace.contents & CONTENTS_SLIME )
{
data.m_fFlags |= FX_WATER_IN_SLIME;
}
DispatchEffect( "gunshotsplash", data );
}
}
else
{
//Do Regular hit effects
// Don't decal nodraw surfaces
if ( !( tr.surface.flags & (SURF_SKY|SURF_NODRAW|SURF_HINT|SURF_SKIP) ) )
{
CBaseEntity *pEntity = tr.m_pEnt;
if ( !( !friendlyfire.GetBool() && pEntity && pEntity->IsPlayer() && pEntity->GetTeamNumber() == GetTeamNumber() ) )
{
UTIL_ImpactTrace( &tr, iDamageType );
}
}
}
} // bDoEffects
// add damage to entity that we hit
#ifdef GAME_DLL
ClearMultiDamage();
CTakeDamageInfo info( pevAttacker, pevAttacker, fCurrentDamage, iDamageType );
CalculateBulletDamageForce( &info, iBulletType, vecDir, tr.endpos );
tr.m_pEnt->DispatchTraceAttack( info, vecDir, &tr );
TraceAttackToTriggers( info, tr.startpos, tr.endpos, vecDir );
ApplyMultiDamage();
#endif
}
void CDODPlayer::FireBullets( const FireBulletsInfo_t &info )
{
trace_t tr;
trace_t reverseTr; //Used to find exit points
static int iMaxPenetrations = 6;
int iPenetrations = 0;
float flDamage = info.m_iDamage; //Remaining damage in the bullet
Vector vecSrc = info.m_vecSrc;
Vector vecEnd = vecSrc + info.m_vecDirShooting * info.m_flDistance;
static int iTraceMask = ( ( MASK_SOLID | CONTENTS_DEBRIS | CONTENTS_HITBOX | CONTENTS_PRONE_HELPER ) & ~CONTENTS_GRATE );
CBaseEntity *pLastHitEntity = this; // start with us so we don't trace ourselves
int iDamageType = GetAmmoDef()->DamageType( info.m_iAmmoType );
int iCollisionGroup = COLLISION_GROUP_NONE;
#ifdef GAME_DLL
bool iNumHeadshots = 0;
#endif
while ( flDamage > 0 && iPenetrations < iMaxPenetrations )
{
//DevMsg( 2, "penetration: %d, starting dmg: %.1f\n", iPenetrations, flDamage );
CBaseEntity *pPreviousHit = pLastHitEntity;
// skip the shooter always
CTraceFilterSkipTwoEntities ignoreShooterAndPrevious( this, pPreviousHit, iCollisionGroup );
UTIL_TraceLine( vecSrc, vecEnd, iTraceMask, &ignoreShooterAndPrevious, &tr );
const float rayExtension = 40.0f;
UTIL_ClipTraceToPlayers( vecSrc, vecEnd + info.m_vecDirShooting * rayExtension, iTraceMask, &ignoreShooterAndPrevious, &tr );
if ( tr.fraction == 1.0f )
break; // we didn't hit anything, stop tracing shoot
// New hitbox code that uses hitbox groups instead of trying to trace
// through the player
if ( tr.m_pEnt && tr.m_pEnt->IsPlayer() )
{
switch( tr.hitgroup )
{
#ifdef GAME_DLL
case HITGROUP_HEAD:
{
if ( tr.m_pEnt->GetTeamNumber() != GetTeamNumber() )
{
iNumHeadshots++;
}
}
break;
#endif
case HITGROUP_LEFTARM:
case HITGROUP_RIGHTARM:
{
//DevMsg( 2, "Hit arms, tracing against alt hitboxes.. \n" );
CDODPlayer *pPlayer = ToDODPlayer( tr.m_pEnt );
// set hitbox set to "dod_no_arms"
pPlayer->SetHitboxSet( 1 );
trace_t newTr;
// re-fire the trace
UTIL_TraceLine( vecSrc, vecEnd, iTraceMask, &ignoreShooterAndPrevious, &newTr );
// if we hit the same player in the chest
if ( tr.m_pEnt == newTr.m_pEnt )
{
//DevMsg( 2, ".. and we hit the chest.\n" );
Assert( tr.hitgroup != newTr.hitgroup ); // If we hit this, hitbox sets are broken
// use that damage instead
tr = newTr;
}
// set hitboxes back to "dod"
pPlayer->SetHitboxSet( 0 );
}
break;
default:
break;
}
}
pLastHitEntity = tr.m_pEnt;
if ( sv_showimpacts.GetBool() )
{
#ifdef CLIENT_DLL
// draw red client impact markers
debugoverlay->AddBoxOverlay( tr.endpos, Vector(-1,-1,-1), Vector(1,1,1), QAngle(0,0,0), 255, 0, 0, 127, 4 );
if ( tr.m_pEnt && tr.m_pEnt->IsPlayer() )
{
C_BasePlayer *player = ToBasePlayer( tr.m_pEnt );
player->DrawClientHitboxes( 4, true );
}
#else
// draw blue server impact markers
NDebugOverlay::Box( tr.endpos, Vector(-1,-1,-1), Vector(1,1,1), 0,0,255,127, 4 );
if ( tr.m_pEnt && tr.m_pEnt->IsPlayer() )
{
CBasePlayer *player = ToBasePlayer( tr.m_pEnt );
player->DrawServerHitboxes( 4, true );
}
#endif
}
#ifdef CLIENT_DLL
// See if the bullet ended up underwater + started out of the water
if ( enginetrace->GetPointContents( tr.endpos ) & (CONTENTS_WATER|CONTENTS_SLIME) )
{
trace_t waterTrace;
UTIL_TraceLine( vecSrc, tr.endpos, (MASK_SHOT|CONTENTS_WATER|CONTENTS_SLIME), this, iCollisionGroup, &waterTrace );
if( waterTrace.allsolid != 1 )
{
CEffectData data;
data.m_vOrigin = waterTrace.endpos;
data.m_vNormal = waterTrace.plane.normal;
data.m_flScale = random->RandomFloat( 8, 12 );
if ( waterTrace.contents & CONTENTS_SLIME )
{
data.m_fFlags |= FX_WATER_IN_SLIME;
}
DispatchEffect( "gunshotsplash", data );
}
}
else
{
//Do Regular hit effects
// Don't decal nodraw surfaces
if ( !( tr.surface.flags & (SURF_SKY|SURF_NODRAW|SURF_HINT|SURF_SKIP) ) )
{
CBaseEntity *pEntity = tr.m_pEnt;
if ( !( !friendlyfire.GetBool() && pEntity && pEntity->GetTeamNumber() == GetTeamNumber() ) )
{
UTIL_ImpactTrace( &tr, iDamageType );
}
}
}
#endif
// Get surface where the bullet entered ( if it had different surfaces on enter and exit )
surfacedata_t *pSurfaceData = physprops->GetSurfaceData( tr.surface.surfaceProps );
Assert( pSurfaceData );
float flMaterialMod = GetDensityFromMaterial(pSurfaceData);
if ( iDamageType & DMG_MACHINEGUN )
{
flMaterialMod *= 0.65;
}
// try to penetrate object
Vector penetrationEnd;
float flMaxDistance = flDamage / flMaterialMod;
#ifndef CLIENT_DLL
ClearMultiDamage();
float flActualDamage = flDamage;
CTakeDamageInfo dmgInfo( info.m_pAttacker, info.m_pAttacker, flActualDamage, iDamageType );
CalculateBulletDamageForce( &dmgInfo, info.m_iAmmoType, info.m_vecDirShooting, tr.endpos );
tr.m_pEnt->DispatchTraceAttack( dmgInfo, info.m_vecDirShooting, &tr );
DevMsg( 2, "Giving damage ( %.1f ) to entity of type %s\n", flActualDamage, tr.m_pEnt->GetClassname() );
TraceAttackToTriggers( dmgInfo, tr.startpos, tr.endpos, info.m_vecDirShooting );
#endif
int stepsize = 16;
// displacement always stops the bullet
if ( tr.IsDispSurface() )
{
DevMsg( 2, "bullet was stopped by displacement\n" );
ApplyMultiDamage();
break;
}
// trace through the solid to find the exit point and how much material we went through
if ( !TraceToExit( tr.endpos, info.m_vecDirShooting, penetrationEnd, stepsize, flMaxDistance ) )
{
DevMsg( 2, "bullet was stopped\n" );
ApplyMultiDamage();
break;
}
// find exact penetration exit
CTraceFilterSimple ignoreShooter( this, iCollisionGroup );
UTIL_TraceLine( penetrationEnd, tr.endpos, iTraceMask, &ignoreShooter, &reverseTr );
// Now we can apply the damage, after we have traced the entity
// so it doesn't break or die before we have a change to test against it
#ifndef CLIENT_DLL
ApplyMultiDamage();
#endif
// Continue looking for the exit point
if( reverseTr.m_pEnt != tr.m_pEnt && reverseTr.m_pEnt != NULL )
{
// something was blocking, trace again
CTraceFilterSkipTwoEntities ignoreShooterAndBlocker( this, reverseTr.m_pEnt, iCollisionGroup );
UTIL_TraceLine( penetrationEnd, tr.endpos, iTraceMask, &ignoreShooterAndBlocker, &reverseTr );
}
if ( sv_showimpacts.GetBool() )
{
debugoverlay->AddLineOverlay( penetrationEnd, reverseTr.endpos, 255, 0, 0, true, 3.0 );
}
// penetration was successful
#ifdef CLIENT_DLL
// bullet did penetrate object, exit Decal
if ( !( reverseTr.surface.flags & (SURF_SKY|SURF_NODRAW|SURF_HINT|SURF_SKIP) ) )
{
CBaseEntity *pEntity = reverseTr.m_pEnt;
if ( !( !friendlyfire.GetBool() && pEntity && pEntity->GetTeamNumber() == GetTeamNumber() ) )
{
UTIL_ImpactTrace( &reverseTr, iDamageType );
}
}
#endif
//setup new start end parameters for successive trace
// New start point is our last exit point
vecSrc = reverseTr.endpos + /* 1.0 * */ info.m_vecDirShooting;
// Reduce bullet damage by material and distanced travelled through that material
// if it is < 0 we won't go through the loop again
float flTraceDistance = VectorLength( reverseTr.endpos - tr.endpos );
flDamage -= flMaterialMod * flTraceDistance;
if( flDamage > 0 )
{
DevMsg( 2, "Completed penetration, new damage is %.1f\n", flDamage );
}
else
{
DevMsg( 2, "bullet was stopped\n" );
}
iPenetrations++;
}
#ifdef GAME_DLL
HandleHeadshotAchievement( iNumHeadshots );
#endif
}
void CSDKPlayer::FireBullet(
Vector vecSrc, // shooting postion
const QAngle &shootAngles, //shooting angle
float vecSpread, // spread vector
SDKWeaponID eWeaponID, // weapon that fired this shot
int iDamage, // base damage
int iBulletType, // ammo type
CBaseEntity *pevAttacker, // shooter
bool bDoEffects, // create impact effect ?
float x, // spread x factor
float y // spread y factor
)
{
float flCurrentDistance = 0.0; //distance that the bullet has traveled so far
Vector vecDirShooting, vecRight, vecUp;
AngleVectors( shootAngles, &vecDirShooting, &vecRight, &vecUp );
if ( !pevAttacker )
pevAttacker = this; // the default attacker is ourselves
// add the spray
Vector vecDir = vecDirShooting +
x * vecSpread * vecRight +
y * vecSpread * vecUp;
VectorNormalize( vecDir );
float flMaxRange = 8000;
Vector vecEnd = vecSrc + vecDir * flMaxRange; // max bullet range is 10000 units
CBaseEntity* pIgnore = this;
// initialize these before the penetration loop, we'll need them to make our tracer after
Vector vecTracerSrc = vecSrc;
trace_t tr; // main enter bullet trace
for (size_t i = 0; i < 5; i++)
{
CTraceFilterSimpleList tf(COLLISION_GROUP_NONE);
tf.AddEntityToIgnore(this);
tf.AddEntityToIgnore(pIgnore);
UTIL_TraceLine( vecSrc, vecEnd, MASK_SOLID|CONTENTS_DEBRIS|CONTENTS_HITBOX, &tf, &tr );
if ( tr.fraction == 1.0f )
break; // we didn't hit anything, stop tracing shoot
if ( sv_showimpacts.GetBool() )
{
#ifdef CLIENT_DLL
// draw red client impact markers
debugoverlay->AddBoxOverlay( tr.endpos, Vector(-2,-2,-2), Vector(2,2,2), QAngle( 0, 0, 0), 255,0,0,127, 4 );
if ( tr.m_pEnt && tr.m_pEnt->IsPlayer() )
{
C_BasePlayer *player = ToBasePlayer( tr.m_pEnt );
player->DrawClientHitboxes( 4, true );
}
#else
// draw blue server impact markers
NDebugOverlay::Box( tr.endpos, Vector(-2,-2,-2), Vector(2,2,2), 0,0,255,127, 4 );
if ( tr.m_pEnt && tr.m_pEnt->IsPlayer() )
{
CBasePlayer *player = ToBasePlayer( tr.m_pEnt );
player->DrawServerHitboxes( 4, true );
}
#endif
}
weapontype_t eWeaponType = WT_NONE;
CSDKWeaponInfo *pWeaponInfo = CSDKWeaponInfo::GetWeaponInfo(eWeaponID);
Assert(pWeaponInfo);
if (pWeaponInfo)
eWeaponType = pWeaponInfo->m_eWeaponType;
float flDamageMultiplier = 1;
float flMaxRange = 3000;
// Power formula works like so:
// pow( x, distance/y )
// The damage will be at 1 when the distance is 0 units, and at
// x% when the distance is y units, with a gradual decay approaching zero
switch (eWeaponType)
{
case WT_RIFLE:
flDamageMultiplier = 0.75f;
flMaxRange = 3000;
break;
case WT_SHOTGUN:
flDamageMultiplier = 0.40f;
flMaxRange = 500;
break;
case WT_SMG:
flDamageMultiplier = 0.50f;
flMaxRange = 1000;
break;
case WT_PISTOL:
default:
flDamageMultiplier = 0.55f;
flMaxRange = 1500;
break;
}
//calculate the damage based on the distance the bullet travelled.
flCurrentDistance += tr.fraction * flMaxRange;
// First 500 units, no decrease in damage.
if (eWeaponType == WT_SHOTGUN)
flCurrentDistance -= 350;
else
flCurrentDistance -= 500;
if (flCurrentDistance < 0)
flCurrentDistance = 0;
if (flCurrentDistance > flMaxRange)
flCurrentDistance = flMaxRange;
float flDistanceMultiplier = pow(flDamageMultiplier, (flCurrentDistance / flMaxRange));
int iDamageType = DMG_BULLET | DMG_NEVERGIB | GetAmmoDef()->DamageType(iBulletType);
if (i == 0)
iDamageType |= DMG_DIRECT;
if( bDoEffects )
{
// See if the bullet ended up underwater + started out of the water
if ( enginetrace->GetPointContents( tr.endpos ) & (CONTENTS_WATER|CONTENTS_SLIME) )
{
trace_t waterTrace;
UTIL_TraceLine( vecSrc, tr.endpos, (MASK_SHOT|CONTENTS_WATER|CONTENTS_SLIME), pIgnore, COLLISION_GROUP_NONE, &waterTrace );
if( waterTrace.allsolid != 1 )
{
CEffectData data;
data.m_vOrigin = waterTrace.endpos;
data.m_vNormal = waterTrace.plane.normal;
data.m_flScale = random->RandomFloat( 8, 12 );
if ( waterTrace.contents & CONTENTS_SLIME )
{
data.m_fFlags |= FX_WATER_IN_SLIME;
}
DispatchEffect( "gunshotsplash", data );
}
}
else
{
//Do Regular hit effects
// Don't decal nodraw surfaces
if ( !( tr.surface.flags & (SURF_SKY|SURF_NODRAW|SURF_HINT|SURF_SKIP) ) )
{
CBaseEntity *pEntity = tr.m_pEnt;
//Tony; only while using teams do we check for friendly fire.
if ( pEntity && pEntity->IsPlayer() && (pEntity->GetBaseAnimating() && !pEntity->GetBaseAnimating()->IsRagdoll()) )
{
#if defined ( SDK_USE_TEAMS )
if ( pEntity->GetTeamNumber() == GetTeamNumber() )
{
if ( !friendlyfire.GetBool() )
UTIL_ImpactTrace( &tr, iDamageType );
}
#else
UTIL_ImpactTrace( &tr, iDamageType );
#endif
}
//Tony; non player, just go nuts,
else
{
UTIL_ImpactTrace( &tr, iDamageType );
}
}
}
} // bDoEffects
// add damage to entity that we hit
#ifdef GAME_DLL
float flBulletDamage = iDamage * flDistanceMultiplier / (i+1); // Each iteration the bullet drops in strength
ClearMultiDamage();
CTakeDamageInfo info( pevAttacker, pevAttacker, flBulletDamage, iDamageType );
CalculateBulletDamageForce( &info, iBulletType, vecDir, tr.endpos );
tr.m_pEnt->DispatchTraceAttack( info, vecDir, &tr );
TraceAttackToTriggers( info, tr.startpos, tr.endpos, vecDir );
ApplyMultiDamage();
#else
flDistanceMultiplier = flDistanceMultiplier; // Silence warning.
#endif
pIgnore = tr.m_pEnt;
float flPenetrationDistance;
switch (eWeaponType)
{
case WT_RIFLE:
flPenetrationDistance = 25;
break;
case WT_SHOTGUN:
flPenetrationDistance = 5;
break;
case WT_SMG:
flPenetrationDistance = 15;
break;
case WT_PISTOL:
default:
flPenetrationDistance = 15;
break;
}
Vector vecBackwards = tr.endpos + vecDir * flPenetrationDistance;
if (tr.m_pEnt->IsBSPModel())
UTIL_TraceLine( vecBackwards, tr.endpos, CONTENTS_SOLID|CONTENTS_MOVEABLE, NULL, COLLISION_GROUP_NONE, &tr );
else
UTIL_TraceLine( vecBackwards, tr.endpos, CONTENTS_HITBOX, NULL, COLLISION_GROUP_NONE, &tr );
if (tr.startsolid)
break;
if (tr.m_pEnt)
{
// let's have a bullet exit effect if we penetrated a solid surface
if (tr.m_pEnt->IsBSPModel())
UTIL_ImpactTrace( &tr, iDamageType );
// ignore the entity we just hit for the next trace to avoid weird impact behaviors
pIgnore = tr.m_pEnt;
}
// Set up the next trace.
vecSrc = tr.endpos + vecDir; // One unit in the direction of fire so that we firmly embed ourselves in whatever solid was hit.
}
// the bullet's done penetrating, let's spawn our particle system
if (bDoEffects && (pevAttacker == this))
MakeTracer( vecTracerSrc, tr, TRACER_TYPE_DEFAULT );
}
void CBulletManager::SimulateBullet(CBullet& oBullet, float dt)
{
Vector vecOriginal = oBullet.m_vecOrigin;
Assert(oBullet.m_hShooter.Get());
if (!oBullet.m_hShooter)
return;
bool bHasTraveledBefore = false;
if (oBullet.m_flDistanceTraveled > 0)
bHasTraveledBefore = true;
// initialize these before the penetration loop, we'll need them to make our tracer after
Vector vecTracerSrc = oBullet.m_vecOrigin;
trace_t tr; // main enter bullet trace
float flRange = dt;
if (flRange < 0)
flRange = 8000;
bool bFullPenetrationDistance = false;
Vector vecEnd = oBullet.m_vecOrigin + oBullet.m_vecDirection * flRange;
int i;
for (i = oBullet.m_iPenetrations; i < da_bullet_penetrations.GetInt(); i++)
{
CTraceFilterSimpleList tf(COLLISION_GROUP_NONE);
tf.AddEntityToIgnore(oBullet.m_hShooter);
for (int j = 0; j < oBullet.m_ahObjectsHit.Count(); j++)
tf.AddEntityToIgnore(oBullet.m_ahObjectsHit[j]);
UTIL_TraceLine( oBullet.m_vecOrigin, vecEnd, MASK_SOLID|CONTENTS_DEBRIS|CONTENTS_HITBOX, &tf, &tr );
if (da_bullet_debug.GetBool())
{
#ifdef CLIENT_DLL
DebugDrawLine(oBullet.m_vecOrigin + Vector(0, 0, 1), tr.endpos + Vector(0, 0, 1), 0, 255, 255, true, dt<0?10:0.1);
#else
DebugDrawLine(oBullet.m_vecOrigin + Vector(0, 0, 1), tr.endpos + Vector(0, 0, 1), 255, 255, 0, true, dt<0?10:0.1);
#endif
}
Vector vecTraceEnd = tr.endpos;
bool bBSPModel = tr.DidHitWorld();
if (tr.allsolid)
{
oBullet.m_flDistanceTraveled += (oBullet.m_vecOrigin - vecEnd).Length();
oBullet.m_vecOrigin = vecEnd;
break; // We're inside something. Do nothing.
}
if ( sv_showimpacts.GetBool() && tr.fraction < 1.0f )
{
#ifdef CLIENT_DLL
// draw red client impact markers
debugoverlay->AddBoxOverlay( tr.endpos, Vector(-2,-2,-2), Vector(2,2,2), QAngle( 0, 0, 0), 255,0,0,127, sv_showimpacts.GetFloat() );
if ( tr.m_pEnt && tr.m_pEnt->IsPlayer() )
{
C_BasePlayer *player = ToBasePlayer( tr.m_pEnt );
player->DrawClientHitboxes( sv_showimpacts.GetFloat(), true );
}
#else
// draw blue server impact markers
NDebugOverlay::Box( tr.endpos, Vector(-2,-2,-2), Vector(2,2,2), 0,0,255,127, sv_showimpacts.GetFloat() );
if ( tr.m_pEnt && tr.m_pEnt->IsPlayer() )
{
CBasePlayer *player = ToBasePlayer( tr.m_pEnt );
player->DrawServerHitboxes( sv_showimpacts.GetFloat(), true );
}
#endif
}
Assert(oBullet.m_iBulletType > 0);
int iDamageType = DMG_BULLET | DMG_NEVERGIB | GetAmmoDef()->DamageType(oBullet.m_iBulletType);
if (i == 0)
iDamageType |= DMG_DIRECT;
if (tr.startsolid)
{
trace_t tr2;
UTIL_TraceLine( tr.endpos - oBullet.m_vecDirection, oBullet.m_vecOrigin, CONTENTS_SOLID|CONTENTS_MOVEABLE, NULL, COLLISION_GROUP_NONE, &tr2 );
// let's have a bullet exit effect if we penetrated a solid surface
if (oBullet.m_bDoEffects && tr2.m_pEnt && tr2.m_pEnt->IsBSPModel())
UTIL_ImpactTrace( &tr2, iDamageType );
// ignore the entity we just hit for the next trace to avoid weird impact behaviors
oBullet.m_ahObjectsHit.AddToTail(tr2.m_pEnt);
}
if ( tr.fraction == 1.0f )
{
oBullet.m_flDistanceTraveled += (oBullet.m_vecOrigin - vecEnd).Length();
oBullet.m_vecOrigin = vecEnd;
break; // we didn't hit anything, stop tracing shoot
}
weapontype_t eWeaponType = WT_NONE;
CSDKWeaponInfo *pWeaponInfo = CSDKWeaponInfo::GetWeaponInfo(oBullet.m_eWeaponID);
Assert(pWeaponInfo);
if (pWeaponInfo)
eWeaponType = pWeaponInfo->m_eWeaponType;
float flDamageMultiplier = 1;
float flMaxRange = 3000;
// Power formula works like so:
// pow( x, distance/y )
// The damage will be at 1 when the distance is 0 units, and at
// x% when the distance is y units, with a gradual decay approaching zero
switch (eWeaponType)
{
case WT_RIFLE:
flDamageMultiplier = 0.75f;
flMaxRange = 3000;
break;
case WT_SHOTGUN:
flDamageMultiplier = 0.40f;
flMaxRange = 500;
break;
case WT_SMG:
flDamageMultiplier = 0.50f;
flMaxRange = 1000;
break;
case WT_PISTOL:
default:
flDamageMultiplier = 0.55f;
flMaxRange = 1500;
break;
}
flMaxRange *= oBullet.m_hShooter->m_Shared.ModifySkillValue(1, 0.5f, SKILL_MARKSMAN);
//calculate the damage based on the distance the bullet travelled.
oBullet.m_flDistanceTraveled += tr.fraction * flRange;
float flCurrentDistance = oBullet.m_flDistanceTraveled;
// First 500 units, no decrease in damage.
if (eWeaponType == WT_SHOTGUN)
flCurrentDistance -= 350;
else
flCurrentDistance -= 500;
if (flCurrentDistance < 0)
flCurrentDistance = 0;
if (flCurrentDistance > flMaxRange)
flCurrentDistance = flMaxRange;
float flDistanceMultiplier = pow(flDamageMultiplier, (flCurrentDistance / flMaxRange));
if( oBullet.m_bDoEffects )
{
// See if the bullet ended up underwater + started out of the water
if ( enginetrace->GetPointContents( tr.endpos ) & (CONTENTS_WATER|CONTENTS_SLIME) )
{
CBaseEntity* pIgnore;
if (oBullet.m_ahObjectsHit.Count())
pIgnore = oBullet.m_ahObjectsHit.Tail();
else
pIgnore = oBullet.m_hShooter;
trace_t waterTrace;
UTIL_TraceLine( oBullet.m_vecOrigin, tr.endpos, (MASK_SHOT|CONTENTS_WATER|CONTENTS_SLIME), pIgnore, COLLISION_GROUP_NONE, &waterTrace );
if( waterTrace.allsolid != 1 )
{
CEffectData data;
data.m_vOrigin = waterTrace.endpos;
data.m_vNormal = waterTrace.plane.normal;
data.m_flScale = random->RandomFloat( 8, 12 );
if ( waterTrace.contents & CONTENTS_SLIME )
data.m_fFlags |= FX_WATER_IN_SLIME;
DispatchEffect( "gunshotsplash", data );
}
}
else
{
//Do Regular hit effects
// Don't decal nodraw surfaces
if ( !( tr.surface.flags & (SURF_SKY|SURF_NODRAW|SURF_HINT|SURF_SKIP) ) )
{
CBaseEntity *pEntity = tr.m_pEnt;
//Tony; only while using teams do we check for friendly fire.
if ( DAGameRules()->IsTeamplay() && pEntity && pEntity->IsPlayer() && (pEntity->GetBaseAnimating() && !pEntity->GetBaseAnimating()->IsRagdoll()) )
{
if ( pEntity->GetTeamNumber() != oBullet.m_hShooter->GetTeamNumber() )
UTIL_ImpactTrace( &tr, iDamageType );
}
//Tony; non player, just go nuts,
else
UTIL_ImpactTrace( &tr, iDamageType );
}
}
} // bDoEffects
// add damage to entity that we hit
#ifdef GAME_DLL
float flBulletDamage = oBullet.m_iBulletDamage * flDistanceMultiplier / (i+1); // Each iteration the bullet drops in strength
if (oBullet.m_hShooter->IsStyleSkillActive(SKILL_MARKSMAN))
flBulletDamage = oBullet.m_iBulletDamage * flDistanceMultiplier / (i/2+1); // Each iteration the bullet drops in strength but not nearly as much.
ClearMultiDamage();
CTakeDamageInfo info( oBullet.m_hShooter, oBullet.m_hShooter, oBullet.m_hWeapon, flBulletDamage, iDamageType );
CalculateBulletDamageForce( &info, oBullet.m_iBulletType, oBullet.m_vecDirection, tr.endpos );
tr.m_pEnt->DispatchTraceAttack( info, oBullet.m_vecDirection, &tr );
oBullet.m_hShooter->TraceAttackToTriggers( info, tr.startpos, tr.endpos, oBullet.m_vecDirection );
ApplyMultiDamage();
#else
flDistanceMultiplier = flDistanceMultiplier; // Silence warning.
#endif
if (tr.m_pEnt && !FStrEq(tr.m_pEnt->GetClassname(), "worldspawn"))
oBullet.m_ahObjectsHit.AddToTail(tr.m_pEnt);
float flPenetrationDistance;
switch (eWeaponType)
{
case WT_RIFLE:
flPenetrationDistance = 25;
break;
case WT_SHOTGUN:
flPenetrationDistance = 5;
break;
case WT_SMG:
flPenetrationDistance = 15;
break;
case WT_PISTOL:
default:
flPenetrationDistance = 15;
break;
}
flPenetrationDistance = oBullet.m_hShooter->m_Shared.ModifySkillValue(flPenetrationDistance, 1, SKILL_MARKSMAN);
Vector vecBackwards = tr.endpos + oBullet.m_vecDirection * flPenetrationDistance;
if (tr.m_pEnt->IsBSPModel())
UTIL_TraceLine( vecBackwards, tr.endpos, CONTENTS_SOLID|CONTENTS_MOVEABLE, NULL, COLLISION_GROUP_NONE, &tr );
else
UTIL_TraceLine( vecBackwards, tr.endpos, CONTENTS_HITBOX, NULL, COLLISION_GROUP_NONE, &tr );
if (tr.startsolid)
{
bFullPenetrationDistance = true;
break;
}
// Set up the next trace. One unit in the direction of fire so that we firmly embed
// ourselves in whatever solid was hit, to make sure we don't hit it again on next trace.
if (dt < 0 && bBSPModel)
{
UTIL_TraceLine( vecTraceEnd + oBullet.m_vecDirection, vecTraceEnd + oBullet.m_vecDirection * flPenetrationDistance, CONTENTS_SOLID|CONTENTS_MOVEABLE, NULL, COLLISION_GROUP_NONE, &tr );
if (tr.startsolid)
oBullet.m_vecOrigin = tr.startpos + oBullet.m_vecDirection;
else
oBullet.m_vecOrigin = vecTraceEnd + oBullet.m_vecDirection;
}
else
oBullet.m_vecOrigin = vecTraceEnd + oBullet.m_vecDirection;
}
oBullet.m_iPenetrations = i;
// the bullet's done penetrating, let's spawn our particle system
if (oBullet.m_bDoEffects && dt < 0)
oBullet.m_hShooter->MakeTracer( oBullet.m_vecOrigin, tr, TRACER_TYPE_DEFAULT, !bHasTraveledBefore );
#ifdef CLIENT_DLL
if (oBullet.m_hRenderHandle != INVALID_CLIENT_RENDER_HANDLE)
ClientLeafSystem()->RenderableChanged( oBullet.m_hRenderHandle );
#endif
if (bFullPenetrationDistance || oBullet.m_iPenetrations >= da_bullet_penetrations.GetInt())
oBullet.Deactivate();
if (dt < 0)
oBullet.Deactivate();
if (!bHasTraveledBefore && oBullet.m_flCurrAlpha == 0 && oBullet.m_flGoalAlpha == 0)
oBullet.m_bActive = false;
if (da_bullet_debug.GetBool())
{
#ifdef CLIENT_DLL
DebugDrawLine(vecOriginal, oBullet.m_vecOrigin, 0, 0, 255, true, dt<0?10:0.1);
#else
DebugDrawLine(vecOriginal, oBullet.m_vecOrigin, 255, 0, 0, true, dt<0?10:0.1);
#endif
}
}