void MoveSpline::computeParabolicElevation(float& el) const
{
if (time_passed > effect_start_time)
{
float t_passedf = MSToSec(time_passed - effect_start_time);
float t_durationf = MSToSec(Duration() - effect_start_time); //client use not modified duration here
// -a*x*x + bx + c:
//(dur * v3->z_acceleration * dt)/2 - (v3->z_acceleration * dt * dt)/2 + Z;
el += (t_durationf - t_passedf) * 0.5f * vertical_acceleration * t_passedf;
}
}
void MoveSpline::Initialize(const MoveSplineInitArgs& args)
{
splineflags = args.flags;
facing = args.facing;
m_Id = args.splineId;
point_Idx_offset = args.path_Idx_offset;
initialOrientation = args.initialOrientation;
onTransport = false;
time_passed = 0;
vertical_acceleration = 0.f;
effect_start_time = 0;
// Check if its a stop spline
if (args.flags.done)
{
spline.clear();
return;
}
init_spline(args);
// init parabolic / animation
// spline initialized, duration known and i able to compute parabolic acceleration
if (args.flags & (MoveSplineFlag::Parabolic | MoveSplineFlag::Animation))
{
effect_start_time = Duration() * args.time_perc;
if (args.flags.parabolic && effect_start_time < Duration())
{
float f_duration = MSToSec(Duration() - effect_start_time);
vertical_acceleration = args.parabolic_amplitude * 8.f / (f_duration * f_duration);
}
}
}
void MoveSpline::Initialize(MoveSplineInitArgs const& args)
{
splineflags = args.flags;
facing = args.facing;
m_Id = args.splineId;
point_Idx_offset = args.path_Idx_offset;
initialOrientation = args.initialOrientation;
time_passed = 0;
vertical_acceleration = 0.f;
effect_start_time = 0;
splineIsFacingOnly = args.path.size() == 2 && args.facing.type != MONSTER_MOVE_NORMAL && ((args.path[1] - args.path[0]).length() < 0.1f);
// Check if its a stop spline
if (args.flags.done)
{
spline.clear();
return;
}
init_spline(args);
// init parabolic / animation
// spline initialized, duration known and i able to compute parabolic acceleration
if (args.flags & (MoveSplineFlag::Parabolic | MoveSplineFlag::Animation | MoveSplineFlag::Unknown6))
{
effect_start_time = Duration() * args.time_perc;
if (args.flags.parabolic && effect_start_time < Duration())
{
float f_duration = MSToSec(Duration() - effect_start_time);
vertical_acceleration = args.parabolic_amplitude * 8.f / (f_duration * f_duration);
}
}
}
void MoveSpline::Initialize(const MoveSplineInitArgs& args)
{
splineflags = args.flags;
facing = args.facing;
m_Id = args.splineId;
point_Idx_offset = args.path_Idx_offset;
initialOrientation = args.initialOrientation;
transportGuid = args.transportGuid;
transportSeat = args.transportSeat;
transportPos = args.transportPos;
time_passed = 0;
vertical_acceleration = 0.f;
effect_start_time = 0;
init_spline(args);
// init parabolic / animation
// spline initialized, duration known and i able to compute parabolic acceleration
if (args.flags & (MoveSplineFlag::Trajectory | MoveSplineFlag::Animation))
{
effect_start_time = Duration() * args.time_perc;
if (args.flags.parabolic && effect_start_time < Duration())
{
float f_duration = MSToSec(Duration() - effect_start_time);
vertical_acceleration = args.parabolic_amplitude * 8.f / (f_duration * f_duration);
}
}
}
void MoveSpline::computeFallElevation(float& el) const
{
float z_now = spline.getPoint(spline.first()).z - Movement::computeFallElevation(MSToSec(time_passed));
float final_z = FinalDestination().z;
if (z_now < final_z)
el = final_z;
else
el = z_now;
}
void MoveSpline::computeFallElevation(float& el) const
{
float z_now = spline.getPoint(spline.first()).z - Movement::computeFallElevation(MSToSec(time_passed), false);
float final_z = FinalDestination().z;
el = std::max(z_now, final_z);
}
