-/*
-* Return a angle within +/- 360.
-*/
-float anglemods(float v)
-{
- v = v - 360 * floor(v / 360);
-
- if(v >= 180)
- return v - 360;
- else if(v <= -180)
- return v + 360;
- else
- return v;
-}
-
-/*
-* Return the short angle
-*/
-float shortangle_f(float ang1, float ang2)
-{
- if(ang1 > ang2)
- {
- if(ang1 > 180)
- return ang1 - 360;
- }
- else
- {
- if(ang1 < -180)
- return ang1 + 360;
- }
-
- return ang1;
-}
-
-vector shortangle_v(vector ang1, vector ang2)
-{
- vector vtmp;
-
- vtmp_x = shortangle_f(ang1_x,ang2_x);
- vtmp_y = shortangle_f(ang1_y,ang2_y);
- vtmp_z = shortangle_f(ang1_z,ang2_z);
-
- return vtmp;
-}
-
-vector shortangle_vxy(vector ang1, vector ang2)
-{
- vector vtmp = '0 0 0';
-
- vtmp_x = shortangle_f(ang1_x,ang2_x);
- vtmp_y = shortangle_f(ang1_y,ang2_y);
-
- return vtmp;
-}
-
-
-/*
-* Get "real" origin, in worldspace, even if ent is attached to something else.
-*/
-vector real_origin(entity ent)
-{
- entity e;
- vector v = ((ent.absmin + ent.absmax) * 0.5);
-
- e = ent.tag_entity;
- while(e)
- {
- v = v + ((e.absmin + e.absmax) * 0.5);
- e = e.tag_entity;
- }
-
- return v;
-}
-
-/*
-* Return the angle between two enteties
-*/
-vector angleofs(entity from, entity to)
-{
- vector v_res;
-
- v_res = normalize(to.origin - from.origin);
- v_res = vectoangles(v_res);
- v_res = v_res - from.angles;
-
- if (v_res_x < 0) v_res_x += 360;
- if (v_res_x > 180) v_res_x -= 360;
-
- if (v_res_y < 0) v_res_y += 360;
- if (v_res_y > 180) v_res_y -= 360;
-
- return v_res;
-}
-
-vector angleofs3(vector from, vector from_a, entity to)
-{
- vector v_res;
-
- v_res = normalize(to.origin - from);
- v_res = vectoangles(v_res);
- v_res = v_res - from_a;
-
- if (v_res_x < 0) v_res_x += 360;
- if (v_res_x > 180) v_res_x -= 360;
-
- if (v_res_y < 0) v_res_y += 360;
- if (v_res_y > 180) v_res_y -= 360;
-
- return v_res;
-}
-
/*
* Update self.tur_shotorg by getting up2date bone info
* NOTICE this func overwrites the global v_forward, v_right and v_up vectors.