//-----------------------------------------------------------------------------
// Purpose: Check the weapon LOS for an owner at an arbitrary position
// If bSetConditions is true, LOS related conditions will also be set
//-----------------------------------------------------------------------------
bool CASW_Weapon::WeaponLOSCondition( const Vector &ownerPos, const Vector &targetPos, bool bSetConditions )
{
bool bHasLOS = BaseClass::WeaponLOSCondition(ownerPos, targetPos, bSetConditions);
// if the weapon has LOS, then do another wider trace to check we don't hit any friendlies
// this is to stop the AI marines shooting way too close to other marines, which stops the player thinking about positioning so much
if (bHasLOS && GetOwner() && asw_weapon_safety_hull.GetFloat() > 0)
{
CAI_BaseNPC* npcOwner = GetOwner()->MyNPCPointer();
Vector vecRelativeShootPosition;
VectorSubtract( npcOwner->Weapon_ShootPosition(), npcOwner->GetAbsOrigin(), vecRelativeShootPosition ); // Find its relative shoot position
Vector barrelPos = ownerPos + vecRelativeShootPosition;
CASWWeaponLOSFilter traceFilter( GetOwner(), npcOwner->GetEnemy(), COLLISION_GROUP_BREAKABLE_GLASS ); // Use the custom LOS trace filter
trace_t tr;
UTIL_TraceHull( barrelPos, targetPos, Vector(-asw_weapon_safety_hull.GetFloat(), -asw_weapon_safety_hull.GetFloat(), -asw_weapon_safety_hull.GetFloat()),
Vector(asw_weapon_safety_hull.GetFloat(), asw_weapon_safety_hull.GetFloat(), asw_weapon_safety_hull.GetFloat()), MASK_SHOT, &traceFilter, &tr );
if ( tr.fraction == 1.0 || tr.m_pEnt == npcOwner->GetEnemy() )
return true;
// if a friendly is in the way, then we report failure
CBaseCombatCharacter *pBCC = ToBaseCombatCharacter( tr.m_pEnt );
if ( pBCC )
{
if ( npcOwner->IRelationType( pBCC ) == D_HT )
return true;
if ( bSetConditions )
{
npcOwner->SetCondition( COND_WEAPON_BLOCKED_BY_FRIEND );
}
return false;
}
}
return bHasLOS;
}
//-----------------------------------------------------------------------------
// Purpose: Check the weapon LOS for an owner at an arbitrary position
// If bSetConditions is true, LOS related conditions will also be set
//-----------------------------------------------------------------------------
bool CBaseCombatWeapon::WeaponLOSCondition( const Vector &ownerPos, const Vector &targetPos, bool bSetConditions )
{
// --------------------
// Check for occlusion
// --------------------
CAI_BaseNPC* npcOwner = m_hOwner.Get()->MyNPCPointer();
// Find its relative shoot position
Vector vecRelativeShootPosition;
VectorSubtract( npcOwner->Weapon_ShootPosition(), npcOwner->GetAbsOrigin(), vecRelativeShootPosition );
Vector barrelPos = ownerPos + vecRelativeShootPosition;
// Use the custom LOS trace filter
CWeaponLOSFilter traceFilter( m_hOwner.Get(), npcOwner->GetEnemy(), COLLISION_GROUP_BREAKABLE_GLASS );
trace_t tr;
UTIL_TraceLine( barrelPos, targetPos, MASK_SHOT, &traceFilter, &tr );
// See if we completed the trace without interruption
if ( tr.fraction == 1.0 )
{
if ( ai_debug_shoot_positions.GetBool() )
{
NDebugOverlay::Line( barrelPos, targetPos, 0, 255, 0, false, 1.0 );
}
return true;
}
CBaseEntity *pHitEnt = tr.m_pEnt;
CBasePlayer *pEnemyPlayer = ToBasePlayer( npcOwner->GetEnemy() );
// is player in a vehicle? if so, verify vehicle is target and return if so (so npc shoots at vehicle)
if ( pEnemyPlayer && pEnemyPlayer->IsInAVehicle() )
{
// Ok, player in vehicle, check if vehicle is target we're looking at, fire if it is
// Also, check to see if the owner of the entity is the vehicle, in which case it's valid too.
// This catches vehicles that use bone followers.
CBaseEntity *pVehicle = pEnemyPlayer->GetVehicle()->GetVehicleEnt();
if ( pHitEnt == pVehicle || pHitEnt->GetOwnerEntity() == pVehicle )
return true;
}
// Hitting our enemy is a success case
if ( pHitEnt == npcOwner->GetEnemy() )
{
if ( ai_debug_shoot_positions.GetBool() )
{
NDebugOverlay::Line( barrelPos, targetPos, 0, 255, 0, false, 1.0 );
}
return true;
}
// If a vehicle is blocking the view, grab its driver and use that as the combat character
CBaseCombatCharacter *pBCC;
IServerVehicle *pVehicle = pHitEnt->GetServerVehicle();
if ( pVehicle )
{
pBCC = pVehicle->GetPassenger( );
}
else
{
pBCC = ToBaseCombatCharacter( pHitEnt );
}
if ( pBCC )
{
if ( npcOwner->IRelationType( pBCC ) == D_HT )
return true;
if ( bSetConditions )
{
npcOwner->SetCondition( COND_WEAPON_BLOCKED_BY_FRIEND );
}
}
else if ( bSetConditions )
{
npcOwner->SetCondition( COND_WEAPON_SIGHT_OCCLUDED );
npcOwner->SetEnemyOccluder( pHitEnt );
if( ai_debug_shoot_positions.GetBool() )
{
NDebugOverlay::Line( tr.startpos, tr.endpos, 255, 0, 0, false, 1.0 );
}
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CWeaponAR2::FireNPCSecondaryAttack( CBaseCombatCharacter *pOperator, bool bUseWeaponAngles )
{
WeaponSound( WPN_DOUBLE );
if ( !GetOwner() )
return;
CAI_BaseNPC *pNPC = GetOwner()->MyNPCPointer();
if ( !pNPC )
return;
// Fire!
Vector vecSrc;
Vector vecAiming;
if ( bUseWeaponAngles )
{
QAngle angShootDir;
GetAttachment( LookupAttachment( "muzzle" ), vecSrc, angShootDir );
AngleVectors( angShootDir, &vecAiming );
}
else
{
vecSrc = pNPC->Weapon_ShootPosition( );
Vector vecTarget;
CNPC_Combine *pSoldier = dynamic_cast<CNPC_Combine *>( pNPC );
if ( pSoldier )
{
// In the distant misty past, elite soldiers tried to use bank shots.
// Therefore, we must ask them specifically what direction they are shooting.
vecTarget = pSoldier->GetAltFireTarget();
}
else
{
// All other users of the AR2 alt-fire shoot directly at their enemy.
if ( !pNPC->GetEnemy() )
return;
vecTarget = pNPC->GetEnemy()->BodyTarget( vecSrc );
}
vecAiming = vecTarget - vecSrc;
VectorNormalize( vecAiming );
}
Vector impactPoint = vecSrc + ( vecAiming * MAX_TRACE_LENGTH );
float flAmmoRatio = 1.0f;
float flDuration = RemapValClamped( flAmmoRatio, 0.0f, 1.0f, 0.5f, sk_weapon_ar2_alt_fire_duration.GetFloat() );
float flRadius = RemapValClamped( flAmmoRatio, 0.0f, 1.0f, 4.0f, sk_weapon_ar2_alt_fire_radius.GetFloat() );
// Fire the bullets
Vector vecVelocity = vecAiming * 1000.0f;
// Fire the combine ball
CreateCombineBall( vecSrc,
vecVelocity,
flRadius,
sk_weapon_ar2_alt_fire_mass.GetFloat(),
flDuration,
pNPC );
}
//-----------------------------------------------------------------------------
// Purpose: Override to check throw
// Input :
// Output :
//-----------------------------------------------------------------------------
int CWeaponMolotov::WeaponRangeAttack1Condition( float flDot, float flDist )
{
// If things haven't changed too much since last time
// just return that previously calculated value
if (gpGlobals->curtime < m_fNextThrowCheck )
{
return m_iThrowBits;
}
if ( flDist < m_fMinRange1) {
m_iThrowBits = COND_TOO_CLOSE_TO_ATTACK;
}
else if (flDist > m_fMaxRange1) {
m_iThrowBits = COND_TOO_FAR_TO_ATTACK;
}
else if (flDot < 0.5) {
m_iThrowBits = COND_NOT_FACING_ATTACK;
}
// If moving, can't throw.
else if ( m_flGroundSpeed != 0 )
{
m_iThrowBits = COND_NONE;
}
else {
// Ok we should check again as some time has passed
// This function is only used by NPC's so we can cast to a Base Monster
CAI_BaseNPC *pNPC = GetOwner()->MyNPCPointer();
CBaseEntity *pEnemy = pNPC->GetEnemy();
if (!pEnemy)
{
m_iThrowBits = COND_NONE;
}
// Get Enemy Position
Vector vecTarget;
pEnemy->CollisionProp()->NormalizedToWorldSpace( Vector( 0.5f, 0.5f, 0.0f ), &vecTarget );
// Get Toss Vector
Vector throwStart = pNPC->Weapon_ShootPosition();
Vector vecToss;
CBaseEntity* pBlocker = NULL;
float throwDist = (throwStart - vecTarget).Length();
float fGravity = sv_gravity.GetFloat();
float throwLimit = pNPC->ThrowLimit(throwStart, vecTarget, fGravity, 35, WorldAlignMins(), WorldAlignMaxs(), pEnemy, &vecToss, &pBlocker);
// If I can make the throw (or most of the throw)
if (!throwLimit || (throwLimit != throwDist && throwLimit > 0.8*throwDist))
{
m_vecTossVelocity = vecToss;
m_iThrowBits = COND_CAN_RANGE_ATTACK1;
}
else
{
m_iThrowBits = COND_NONE;
}
}
// don't check again for a while.
m_fNextThrowCheck = gpGlobals->curtime + 0.33; // 1/3 second.
return m_iThrowBits;
}
