CBaseEntity *CTalkMonster::EnumFriends( CBaseEntity *pPrevious, int listNumber, const bool bTrace )
{
CBaseEntity *pFriend = pPrevious;
const char* pszFriend;
TraceResult tr;
Vector vecCheck;
pszFriend = m_szFriends[ FriendNumber(listNumber) ];
while( ( pFriend = UTIL_FindEntityByClassname( pFriend, pszFriend ) ) != nullptr )
{
if (pFriend == this || !pFriend->IsAlive())
// don't talk to self or dead people
continue;
if ( bTrace )
{
vecCheck = pFriend->GetAbsOrigin();
vecCheck.z = pFriend->GetAbsMax().z;
UTIL_TraceLine( GetAbsOrigin(), vecCheck, ignore_monsters, ENT(pev), &tr);
}
else
tr.flFraction = 1.0;
if (tr.flFraction == 1.0)
{
return pFriend;
}
}
return NULL;
}
//=========================================================
// FindNearestFriend
// Scan for nearest, visible friend. If fPlayer is true, look for
// nearest player
//=========================================================
CBaseEntity* CTalkMonster::FindNearestFriend( const bool fPlayer ) const
{
CBaseEntity *pFriend = NULL;
CBaseEntity *pNearest = NULL;
float range = 10000000.0;
TraceResult tr;
Vector vecStart = GetAbsOrigin();
Vector vecCheck;
int i;
const char* pszFriend;
int cfriends;
vecStart.z = GetAbsMax().z;
if (fPlayer)
cfriends = 1;
else
cfriends = TLK_CFRIENDS;
// for each type of friend...
for (i = cfriends-1; i > -1; i--)
{
if (fPlayer)
pszFriend = "player";
else
pszFriend = m_szFriends[FriendNumber(i)];
if (!pszFriend)
continue;
// for each friend in this bsp...
while( ( pFriend = UTIL_FindEntityByClassname( pFriend, pszFriend ) ) != nullptr )
{
if (pFriend == this || !pFriend->IsAlive())
// don't talk to self or dead people
continue;
CBaseMonster *pMonster = pFriend->MyMonsterPointer();
// If not a monster for some reason, or in a script, or prone
if ( !pMonster || pMonster->m_MonsterState == MONSTERSTATE_SCRIPT || pMonster->m_MonsterState == MONSTERSTATE_PRONE )
continue;
vecCheck = pFriend->GetAbsOrigin();
vecCheck.z = pFriend->GetAbsMax().z;
// if closer than previous friend, and in range, see if he's visible
if (range > (vecStart - vecCheck).Length())
{
UTIL_TraceLine(vecStart, vecCheck, ignore_monsters, ENT(pev), &tr);
if (tr.flFraction == 1.0)
{
// visible and in range, this is the new nearest scientist
if ((vecStart - vecCheck).Length() < TALKRANGE_MIN)
{
pNearest = pFriend;
range = (vecStart - vecCheck).Length();
}
}
}
}
}
return pNearest;
}