Position MoveSpline::ComputePosition() const
{
MANGOS_ASSERT(Initialized());
float u = 1.f;
int32 seg_time = spline.length(point_Idx, point_Idx + 1);
if (seg_time > 0)
u = (time_passed - spline.length(point_Idx)) / (float)seg_time;
Position c;
c.orientation = initialOrientation;
spline.evaluate_percent(point_Idx, u, c);
if (splineflags.animation)
;// MoveSplineFlag::Animation disables falling or parabolic movement
else if (splineflags.parabolic)
computeParabolicElevation(c.z);
else if (splineflags.falling)
computeFallElevation(c.z);
if (splineflags.done && splineflags.isFacing())
{
if (splineflags.final_angle)
c.orientation = facing.angle;
else if (splineflags.final_point)
c.orientation = atan2(facing.f.y - c.y, facing.f.x - c.x);
// nothing to do for MoveSplineFlag::Final_Target flag
}
else
{
if (!splineflags.hasFlag(MoveSplineFlag::OrientationFixed | MoveSplineFlag::Falling))
{
Vector3 hermite;
spline.evaluate_derivative(point_Idx, u, hermite);
c.orientation = atan2(hermite.y, hermite.x);
}
if (splineflags.orientationInversed)
c.orientation = -c.orientation;
}
c.orientation = G3D::wrap(c.orientation, 0.0f, float(G3D::twoPi()));
return c;
}
Location MoveSpline::ComputePosition() const
{
ASSERT(Initialized());
float u = 1.f;
int32 seg_time = spline.length(point_Idx, point_Idx+1);
if (seg_time > 0)
u = (time_passed - spline.length(point_Idx)) / (float)seg_time;
Location c;
c.orientation = initialOrientation;
spline.evaluate_percent(point_Idx, u, c);
if (splineflags.animation)
;// MoveSplineFlag::Animation disables falling or parabolic movement
else if (splineflags.parabolic)
computeParabolicElevation(c.z);
else if (splineflags.falling)
computeFallElevation(c.z);
if (splineflags.done && facing.type != MONSTER_MOVE_NORMAL)
{
if (facing.type == MONSTER_MOVE_FACING_ANGLE)
c.orientation = facing.angle;
else if (facing.type == MONSTER_MOVE_FACING_SPOT)
c.orientation = std::atan2(facing.f.y - c.y, facing.f.x - c.x);
//nothing to do for MoveSplineFlag::Final_Target flag
}
else
{
if (!splineflags.hasFlag(MoveSplineFlag::OrientationFixed | MoveSplineFlag::Falling | MoveSplineFlag::Unknown0))
{
Vector3 hermite;
spline.evaluate_derivative(point_Idx, u, hermite);
c.orientation = std::atan2(hermite.y, hermite.x);
}
if (splineflags.orientationInversed)
c.orientation = -c.orientation;
}
return c;
}
