--- /dev/null
+#include "movelib.qh"
+
+#ifdef SVQC
+.vector moveto;
+
+/**
+ Simulate drag
+ this.velocity = movelib_dragvec(this.velocity,0.02,0.5);
+**/
+vector movelib_dragvec(entity this, float drag, float exp_)
+{
+ float lspeed,ldrag;
+
+ lspeed = vlen(this.velocity);
+ ldrag = lspeed * drag;
+ ldrag = ldrag * (drag * exp_);
+ ldrag = 1 - (ldrag / lspeed);
+
+ return this.velocity * ldrag;
+}
+
+/**
+ Simulate drag
+ this.velocity *= movelib_dragflt(somespeed,0.01,0.7);
+**/
+float movelib_dragflt(float fspeed,float drag,float exp_)
+{
+ float ldrag;
+
+ ldrag = fspeed * drag;
+ ldrag = ldrag * ldrag * exp_;
+ ldrag = 1 - (ldrag / fspeed);
+
+ return ldrag;
+}
+
+/**
+ Do a inertia simulation based on velocity.
+ Basicaly, this allows you to simulate loss of steering with higher speed.
+ this.velocity = movelib_inertmove_byspeed(this.velocity,newvel,1000,0.1,0.9);
+**/
+vector movelib_inertmove_byspeed(entity this, vector vel_new, float vel_max,float newmin,float oldmax)
+{
+ float influense;
+
+ influense = vlen(this.velocity) * (1 / vel_max);
+
+ influense = bound(newmin,influense,oldmax);
+
+ return (vel_new * (1 - influense)) + (this.velocity * influense);
+}
+
+vector movelib_inertmove(entity this, vector new_vel,float new_bias)
+{
+ return new_vel * new_bias + this.velocity * (1-new_bias);
+}
+
+void movelib_move(entity this, vector force,float max_velocity,float drag,float theMass,float breakforce)
+{
+ float deltatime;
+ float acceleration;
+ float mspeed;
+ vector breakvec;
+
+ deltatime = time - this.movelib_lastupdate;
+ if (deltatime > 0.15) deltatime = 0;
+ this.movelib_lastupdate = time;
+ if (!deltatime) return;
+
+ mspeed = vlen(this.velocity);
+
+ if (theMass)
+ acceleration = vlen(force) / theMass;
+ else
+ acceleration = vlen(force);
+
+ if (IS_ONGROUND(this))
+ {
+ if (breakforce)
+ {
+ breakvec = (normalize(this.velocity) * (breakforce / theMass) * deltatime);
+ this.velocity = this.velocity - breakvec;
+ }
+
+ this.velocity = this.velocity + force * (acceleration * deltatime);
+ }
+
+ if (drag)
+ this.velocity = movelib_dragvec(this, drag, 1);
+
+ if (this.waterlevel > 1)
+ {
+ this.velocity = this.velocity + force * (acceleration * deltatime);
+ this.velocity = this.velocity + '0 0 0.05' * autocvar_sv_gravity * deltatime;
+ }
+ else
+ this.velocity = this.velocity + '0 0 -1' * autocvar_sv_gravity * deltatime;
+
+ mspeed = vlen(this.velocity);
+
+ if (max_velocity)
+ if (mspeed > max_velocity)
+ this.velocity = normalize(this.velocity) * (mspeed - 50);//* max_velocity;
+}
+
+/*
+.float mass;
+.float side_friction;
+.float ground_friction;
+.float air_friction;
+.float water_friction;
+.float buoyancy;
+float movelib_deltatime;
+
+void movelib_startupdate(entity this)
+{
+ movelib_deltatime = time - this.movelib_lastupdate;
+
+ if (movelib_deltatime > 0.5)
+ movelib_deltatime = 0;
+
+ this.movelib_lastupdate = time;
+}
+
+void movelib_update(entity this, vector dir,float force)
+{
+ vector acceleration;
+ float old_speed;
+ float ffriction,v_z;
+
+ vector breakvec;
+ vector old_dir;
+ vector ggravity;
+ vector old;
+
+ if(!movelib_deltatime)
+ return;
+ v_z = this.velocity_z;
+ old_speed = vlen(this.velocity);
+ old_dir = normalize(this.velocity);
+
+ //ggravity = (autocvar_sv_gravity / this.mass) * '0 0 100';
+ acceleration = (force / this.mass) * dir;
+ //acceleration -= old_dir * (old_speed / this.mass);
+ acceleration -= ggravity;
+
+ if(this.waterlevel > 1)
+ {
+ ffriction = this.water_friction;
+ acceleration += this.buoyancy * '0 0 1';
+ }
+ else
+ if(IS_ONGROUND(this))
+ ffriction = this.ground_friction;
+ else
+ ffriction = this.air_friction;
+
+ acceleration *= ffriction;
+ //this.velocity = this.velocity * (ffriction * movelib_deltatime);
+ this.velocity += acceleration * movelib_deltatime;
+ this.velocity_z = v_z;
+
+}
+*/
+
+void movelib_brake_simple(entity this, float force)
+{
+ float mspeed;
+ vector mdir;
+ float vz;
+
+ mspeed = max(0,vlen(this.velocity) - force);
+ mdir = normalize(this.velocity);
+ vz = this.velocity.z;
+ this.velocity = mdir * mspeed;
+ this.velocity_z = vz;
+}
+
+/**
+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(entity this, float spring_length, float spring_up, float blendrate, float _max)
+{
+ vector a, b, c, d, e, r, push_angle, ahead, side;
+
+ push_angle.y = 0;
+ r = (this.absmax + this.absmin) * 0.5 + (v_up * spring_up);
+ e = v_up * spring_length;
+
+ // Put springs slightly inside bbox
+ ahead = v_forward * (this.maxs.x * 0.8);
+ side = v_right * (this.maxs.y * 0.8);
+
+ a = r + ahead + side;
+ b = r + ahead - side;
+ c = r - ahead + side;
+ d = r - ahead - side;
+
+ traceline(a, a - e,MOVE_NORMAL,this);
+ a.z = (1 - trace_fraction);
+ r = trace_endpos;
+
+ traceline(b, b - e,MOVE_NORMAL,this);
+ b.z = (1 - trace_fraction);
+ r += trace_endpos;
+
+ traceline(c, c - e,MOVE_NORMAL,this);
+ c.z = (1 - trace_fraction);
+ r += trace_endpos;
+
+ traceline(d, d - e,MOVE_NORMAL,this);
+ d.z = (1 - trace_fraction);
+ r += trace_endpos;
+
+ a.x = r.z;
+ r = this.origin;
+ r.z = r.z;
+
+ push_angle.x = (a.z - c.z) * _max;
+ push_angle.x += (b.z - d.z) * _max;
+
+ push_angle.z = (b.z - a.z) * _max;
+ push_angle.z += (d.z - c.z) * _max;
+
+ //this.angles_x += push_angle_x * 0.95;
+ //this.angles_z += push_angle_z * 0.95;
+
+ this.angles_x = ((1-blendrate) * this.angles.x) + (push_angle.x * blendrate);
+ this.angles_z = ((1-blendrate) * this.angles.z) + (push_angle.z * blendrate);
+
+ //a = this.origin;
+ setorigin(this, r);
+}
+
projects / xonotic / xonotic-data.pk3dir.git / blobdiff