#ifndef MOVELIB_H
#define MOVELIB_H

#ifdef SVQC
.vector moveto;

/**
    Simulate drag
    self.velocity = movelib_dragvec(self.velocity,0.02,0.5);
**/
vector movelib_dragvec(float drag, float exp_);

/**
    Simulate drag
    self.velocity *= movelib_dragflt(somespeed,0.01,0.7);
**/
float movelib_dragflt(float fspeed,float drag,float exp_);

/**
    Do a inertia simulation based on velocity.
    Basicaly, this allows you to simulate loss of steering with higher speed.
    self.velocity = movelib_inertmove_byspeed(self.velocity,newvel,1000,0.1,0.9);
**/
vector movelib_inertmove_byspeed(vector vel_new, float vel_max,float newmin,float oldmax);

vector movelib_inertmove(vector new_vel,float new_bias);

.float  movelib_lastupdate;
void movelib_move(vector force,float max_velocity,float drag,float theMass,float breakforce);

/*
void movelib_move_simple(vector newdir,float velo,float blendrate)
{
    self.velocity = self.velocity * (1 - blendrate) + (newdir * blendrate) * velo;
}
*/
#define movelib_move_simple(newdir,velo,blendrate) \
    self.velocity = self.velocity * (1 - blendrate) + (newdir * blendrate) * velo

#define movelib_move_simple_gravity(newdir,velo,blendrate) \
    if(self.flags & FL_ONGROUND) movelib_move_simple(newdir,velo,blendrate)

void movelib_brake_simple(float force);

/**
Pitches and rolls the entity to match the gound.
Yed need to set v_up and v_forward (generally by calling makevectors) before calling this.
**/
#endif

void movelib_groundalign4point(float spring_length, float spring_up, float blendrate, float _max);

#endif