BOOL CLocalNav::PathClear(Vector &vecOrigin, Vector &vecDest, int fNoMonsters, TraceResult &tr)
{
	TRACE_MONSTER_HULL(m_pOwner->edict(), vecOrigin, vecDest, fNoMonsters, m_pOwner->edict(), &tr);

	if (tr.fStartSolid)
		return FALSE;

	if (tr.flFraction == 1.0f)
		return TRUE;

	if (tr.pHit == m_pTargetEnt)
	{
		m_fTargetEntHit = TRUE;
		return TRUE;
	}

	return FALSE;
}
int CLocalNav::PathClear(Vector &vecSource, Vector &vecDest, BOOL fNoMonsters, TraceResult &tr)
{
	TRACE_MONSTER_HULL(m_pOwner->edict(), vecSource, vecDest, fNoMonsters, m_pOwner->edict(), &tr);

	if (tr.fStartSolid)
		return 0;

	if (tr.flFraction == 1)
		return 1;

	if (tr.pHit == m_pTargetEnt)
	{
#ifdef _DEBUG
		CONSOLE_ECHO("target edict hit!\n");
#endif
		m_fTargetEntHit = TRUE;
		return 1;
	}

	return 0;
}
Example #3
0
Vector CIchthyosaur::DoProbe(const Vector &Probe)
{
	Vector WallNormal = Vector(0,0,-1); // WATER normal is Straight Down for fish.
	float frac;
	BOOL bBumpedSomething = ProbeZ(pev->origin, Probe, &frac);

	TraceResult tr;
	TRACE_MONSTER_HULL(edict(), pev->origin, Probe, dont_ignore_monsters, edict(), &tr);
	if ( tr.fAllSolid || tr.flFraction < 0.99 )
	{
		if (tr.flFraction < 0.0) tr.flFraction = 0.0;
		if (tr.flFraction > 1.0) tr.flFraction = 1.0;
		if (tr.flFraction < frac)
		{
			frac = tr.flFraction;
			bBumpedSomething = TRUE;
			WallNormal = tr.vecPlaneNormal;
		}
	}

	if (bBumpedSomething && (m_hEnemy == NULL || tr.pHit != m_hEnemy->edict()))
	{
		Vector ProbeDir = Probe - pev->origin;

		Vector NormalToProbeAndWallNormal = CrossProduct(ProbeDir, WallNormal);
		Vector SteeringVector = CrossProduct( NormalToProbeAndWallNormal, ProbeDir);

		float SteeringForce = m_flightSpeed * (1-frac) * (DotProduct(WallNormal.Normalize(), m_SaveVelocity.Normalize()));
		if (SteeringForce < 0.0)
		{
			SteeringForce = -SteeringForce;
		}
		SteeringVector = SteeringForce * SteeringVector.Normalize();
		
		return SteeringVector;
	}
	return Vector(0, 0, 0);
}
Example #4
0
void CHostage::PreThink(void)
{
	Vector vecSrc;
	Vector vecDest;
	TraceResult tr;
	float flOrigDist;
	float flRaisedDist;

	if (m_improv)
		return;

	if (!FBitSet(pev->flags, FL_ONGROUND))
		return;

	if (pev->velocity.Length2D() < 1)
		return;

	vecSrc = pev->origin;
	vecDest = vecSrc + pev->velocity * gpGlobals->frametime;
	vecDest.z = vecSrc.z;

	TRACE_MONSTER_HULL(edict(), vecSrc, vecDest, dont_ignore_monsters, edict(), &tr);

	if (tr.fStartSolid)
		return;

	if (tr.flFraction == 1)
		return;

	if (tr.vecPlaneNormal.z > 0.7)
		return;

	flOrigDist = (tr.vecEndPos - pev->origin).Length2D();
	vecSrc.z += m_LocalNav->s_flStepSize;
	vecDest = vecSrc + (pev->velocity.Normalize() * 0.1);
	vecDest.z = vecSrc.z;

	TRACE_MONSTER_HULL(edict(), vecSrc, vecDest, dont_ignore_monsters, edict(), &tr);

	if (tr.fStartSolid)
		return;

	vecSrc = tr.vecEndPos;
	vecDest = tr.vecEndPos;
	vecDest.z -= m_LocalNav->s_flStepSize;

	TRACE_MONSTER_HULL(edict(), vecSrc, vecDest, dont_ignore_monsters, edict(), &tr);

	if (tr.vecPlaneNormal.z < 0.7)
		return;

	flRaisedDist = (tr.vecEndPos - pev->origin).Length2D();

	if (flRaisedDist > flOrigDist)
	{
		Vector vecOrigin = pev->origin;
		vecOrigin.z = tr.vecEndPos.z;
		UTIL_SetOrigin(pev, vecOrigin);
		pev->velocity.z += pev->gravity * g_psv_gravity->value * gpGlobals->frametime;
	}
}