--- /dev/null
+/**
+ Uniform pull towards a point
+**/
+vector steerlib_pull(vector point)
+{SELFPARAM();
+ return normalize(point - self.origin);
+}
+
+/**
+ Uniform push from a point
+**/
+#define steerlib_push(point) normalize(self.origin - point)
+/*
+vector steerlib_push(vector point)
+{
+ return normalize(self.origin - point);
+}
+*/
+/**
+ Pull toward a point, The further away, the stronger the pull.
+**/
+vector steerlib_arrive(vector point,float maximal_distance)
+{SELFPARAM();
+ float distance;
+ vector direction;
+
+ distance = bound(0.001,vlen(self.origin - point),maximal_distance);
+ direction = normalize(point - self.origin);
+ return direction * (distance / maximal_distance);
+}
+
+/**
+ Pull toward a point increasing the pull the closer we get
+**/
+vector steerlib_attract(vector point, float maximal_distance)
+{SELFPARAM();
+ float distance;
+ vector direction;
+
+ distance = bound(0.001,vlen(self.origin - point),maximal_distance);
+ direction = normalize(point - self.origin);
+
+ return direction * (1-(distance / maximal_distance));
+}
+
+vector steerlib_attract2(vector point, float min_influense,float max_distance,float max_influense)
+{SELFPARAM();
+ float distance;
+ vector direction;
+ float influense;
+
+ distance = bound(0.00001,vlen(self.origin - point),max_distance);
+ direction = normalize(point - self.origin);
+
+ influense = 1 - (distance / max_distance);
+ influense = min_influense + (influense * (max_influense - min_influense));
+
+ return direction * influense;
+}
+
+/*
+vector steerlib_attract2(vector point, float maximal_distance,float min_influense,float max_influense,float distance)
+{
+ //float distance;
+ vector current_direction;
+ vector target_direction;
+ float i_target,i_current;
+
+ if(!distance)
+ distance = vlen(self.origin - point);
+
+ distance = bound(0.001,distance,maximal_distance);
+
+ target_direction = normalize(point - self.origin);
+ current_direction = normalize(self.velocity);
+
+ i_target = bound(min_influense,(1-(distance / maximal_distance)),max_influense);
+ i_current = 1 - i_target;
+
+ // i_target = bound(min_influense,(1-(distance / maximal_distance)),max_influense);
+
+ string s;
+ s = ftos(i_target);
+ bprint("IT: ",s,"\n");
+ s = ftos(i_current);
+ bprint("IC : ",s,"\n");
+
+ return normalize((target_direction * i_target) + (current_direction * i_current));
+}
+*/
+/**
+ Move away from a point.
+**/
+vector steerlib_repell(vector point,float maximal_distance)
+{SELFPARAM();
+ float distance;
+ vector direction;
+
+ distance = bound(0.001,vlen(self.origin - point),maximal_distance);
+ direction = normalize(self.origin - point);
+
+ return direction * (1-(distance / maximal_distance));
+}
+
+/**
+ Try to keep at ideal_distance away from point
+**/
+vector steerlib_standoff(vector point,float ideal_distance)
+{SELFPARAM();
+ float distance;
+ vector direction;
+
+ distance = vlen(self.origin - point);
+
+
+ if(distance < ideal_distance)
+ {
+ direction = normalize(self.origin - point);
+ return direction * (distance / ideal_distance);
+ }
+
+ direction = normalize(point - self.origin);
+ return direction * (ideal_distance / distance);
+
+}
+
+/**
+ A random heading in a forward halfcicrle
+
+ use like:
+ self.target = steerlib_wander(256,32,self.target)
+
+ where range is the cicrle radius and tresh is how close we need to be to pick a new heading.
+**/
+vector steerlib_wander(float range,float tresh,vector oldpoint)
+{SELFPARAM();
+ vector wander_point;
+ wander_point = v_forward - oldpoint;
+
+ if (vlen(wander_point) > tresh)
+ return oldpoint;
+
+ range = bound(0,range,1);
+
+ wander_point = self.origin + v_forward * 128;
+ wander_point = wander_point + randomvec() * (range * 128) - randomvec() * (range * 128);
+
+ return normalize(wander_point - self.origin);
+}
+
+/**
+ Dodge a point. dont work to well.
+**/
+vector steerlib_dodge(vector point,vector dodge_dir,float min_distance)
+{SELFPARAM();
+ float distance;
+
+ distance = max(vlen(self.origin - point),min_distance);
+ if (min_distance < distance)
+ return '0 0 0';
+
+ return dodge_dir * (min_distance/distance);
+}
+
+/**
+ flocking by .flock_id
+ Group will move towards the unified direction while keeping close to eachother.
+**/
+.float flock_id;
+vector steerlib_flock(float _radius, float standoff,float separation_force,float flock_force)
+{SELFPARAM();
+ entity flock_member;
+ vector push = '0 0 0', pull = '0 0 0';
+ float ccount = 0;
+
+ flock_member = findradius(self.origin, _radius);
+ while(flock_member)
+ {
+ if(flock_member != self)
+ if(flock_member.flock_id == self.flock_id)
+ {
+ ++ccount;
+ push = push + (steerlib_repell(flock_member.origin,standoff) * separation_force);
+ pull = pull + (steerlib_arrive(flock_member.origin + flock_member.velocity, _radius) * flock_force);
+ }
+ flock_member = flock_member.chain;
+ }
+ return push + (pull* (1 / ccount));
+}
+
+/**
+ flocking by .flock_id
+ Group will move towards the unified direction while keeping close to eachother.
+ xy only version (for ground movers).
+**/
+vector steerlib_flock2d(float _radius, float standoff,float separation_force,float flock_force)
+{SELFPARAM();
+ entity flock_member;
+ vector push = '0 0 0', pull = '0 0 0';
+ float ccount = 0;
+
+ flock_member = findradius(self.origin,_radius);
+ while(flock_member)
+ {
+ if(flock_member != self)
+ if(flock_member.flock_id == self.flock_id)
+ {
+ ++ccount;
+ push = push + (steerlib_repell(flock_member.origin, standoff) * separation_force);
+ pull = pull + (steerlib_arrive(flock_member.origin + flock_member.velocity, _radius) * flock_force);
+ }
+ flock_member = flock_member.chain;
+ }
+
+ push.z = 0;
+ pull.z = 0;
+
+ return push + (pull * (1 / ccount));
+}
+
+/**
+ All members want to be in the center, and keep away from eachother.
+ The furtehr form the center the more they want to be there.
+
+ This results in a aligned movement (?!) much like flocking.
+**/
+vector steerlib_swarm(float _radius, float standoff,float separation_force,float swarm_force)
+{SELFPARAM();
+ entity swarm_member;
+ vector force = '0 0 0', center = '0 0 0';
+ float ccount = 0;
+
+ swarm_member = findradius(self.origin,_radius);
+
+ while(swarm_member)
+ {
+ if(swarm_member.flock_id == self.flock_id)
+ {
+ ++ccount;
+ center = center + swarm_member.origin;
+ force = force + (steerlib_repell(swarm_member.origin,standoff) * separation_force);
+ }
+ swarm_member = swarm_member.chain;
+ }
+
+ center = center * (1 / ccount);
+ force = force + (steerlib_arrive(center,_radius) * swarm_force);
+
+ return force;
+}
+
+/**
+ Steer towards the direction least obstructed.
+ Run four tracelines in a forward funnel, bias each diretion negative if something is found there.
+ You need to call makevectors() (or equivalent) before this function to set v_forward and v_right
+**/
+vector steerlib_traceavoid(float pitch,float length)
+{SELFPARAM();
+ vector vup_left,vup_right,vdown_left,vdown_right;
+ float fup_left,fup_right,fdown_left,fdown_right;
+ vector upwish,downwish,leftwish,rightwish;
+ vector v_left,v_down;
+
+
+ v_left = v_right * -1;
+ v_down = v_up * -1;
+
+ vup_left = (v_forward + (v_left * pitch + v_up * pitch)) * length;
+ traceline(self.origin, self.origin + vup_left,MOVE_NOMONSTERS,self);
+ fup_left = trace_fraction;
+
+ //te_lightning1(world,self.origin, trace_endpos);
+
+ vup_right = (v_forward + (v_right * pitch + v_up * pitch)) * length;
+ traceline(self.origin,self.origin + vup_right ,MOVE_NOMONSTERS,self);
+ fup_right = trace_fraction;
+
+ //te_lightning1(world,self.origin, trace_endpos);
+
+ vdown_left = (v_forward + (v_left * pitch + v_down * pitch)) * length;
+ traceline(self.origin,self.origin + vdown_left,MOVE_NOMONSTERS,self);
+ fdown_left = trace_fraction;
+
+ //te_lightning1(world,self.origin, trace_endpos);
+
+ vdown_right = (v_forward + (v_right * pitch + v_down * pitch)) * length;
+ traceline(self.origin,self.origin + vdown_right,MOVE_NOMONSTERS,self);
+ fdown_right = trace_fraction;
+
+ //te_lightning1(world,self.origin, trace_endpos);
+ upwish = v_up * (fup_left + fup_right);
+ downwish = v_down * (fdown_left + fdown_right);
+ leftwish = v_left * (fup_left + fdown_left);
+ rightwish = v_right * (fup_right + fdown_right);
+
+ return (upwish+leftwish+downwish+rightwish) * 0.25;
+
+}
+
+/**
+ Steer towards the direction least obstructed.
+ Run tracelines in a forward trident, bias each direction negative if something is found there.
+**/
+vector steerlib_traceavoid_flat(float pitch, float length, vector vofs)
+{SELFPARAM();
+ vector vt_left, vt_right,vt_front;
+ float f_left, f_right,f_front;
+ vector leftwish, rightwish,frontwish, v_left;
+
+ v_left = v_right * -1;
+
+
+ vt_front = v_forward * length;
+ traceline(self.origin + vofs, self.origin + vofs + vt_front,MOVE_NOMONSTERS,self);
+ f_front = trace_fraction;
+
+ vt_left = (v_forward + (v_left * pitch)) * length;
+ traceline(self.origin + vofs, self.origin + vofs + vt_left,MOVE_NOMONSTERS,self);
+ f_left = trace_fraction;
+
+ //te_lightning1(world,self.origin, trace_endpos);
+
+ vt_right = (v_forward + (v_right * pitch)) * length;
+ traceline(self.origin + vofs, self.origin + vofs + vt_right ,MOVE_NOMONSTERS,self);
+ f_right = trace_fraction;
+
+ //te_lightning1(world,self.origin, trace_endpos);
+
+ leftwish = v_left * f_left;
+ rightwish = v_right * f_right;
+ frontwish = v_forward * f_front;
+
+ return normalize(leftwish + rightwish + frontwish);
+}
+
+float beamsweep_badpoint(vector point,float waterok)
+{
+ float pc,pc2;
+
+ if(trace_dphitq3surfaceflags & Q3SURFACEFLAG_SKY)
+ return 1;
+
+ pc = pointcontents(point);
+ pc2 = pointcontents(point - '0 0 1');
+
+ switch(pc)
+ {
+ case CONTENT_SOLID: break;
+ case CONTENT_SLIME: break;
+ case CONTENT_LAVA: break;
+
+ case CONTENT_SKY:
+ return 1;
+
+ case CONTENT_EMPTY:
+ if (pc2 == CONTENT_SOLID)
+ return 0;
+
+ if (pc2 == CONTENT_WATER)
+ if(waterok)
+ return 0;
+
+ break;
+
+ case CONTENT_WATER:
+ if(waterok)
+ return 0;
+
+ break;
+ }
+
+ return 1;
+}
+
+//#define BEAMSTEER_VISUAL
+float beamsweep(vector from, vector dir,float length, float step,float step_up, float step_down)
+{SELFPARAM();
+ float i;
+ vector a,b,u,d;
+
+ u = '0 0 1' * step_up;
+ d = '0 0 1' * step_down;
+
+ traceline(from + u, from - d,MOVE_NORMAL,self);
+ if(trace_fraction == 1.0)
+ return 0;
+
+ if(beamsweep_badpoint(trace_endpos,0))
+ return 0;
+
+ a = trace_endpos;
+ for(i = 0; i < length; i += step)
+ {
+
+ b = a + dir * step;
+ tracebox(a + u,'-4 -4 -4','4 4 4', b + u,MOVE_NORMAL,self);
+ if(trace_fraction != 1.0)
+ return i / length;
+
+ traceline(b + u, b - d,MOVE_NORMAL,self);
+ if(trace_fraction == 1.0)
+ return i / length;
+
+ if(beamsweep_badpoint(trace_endpos,0))
+ return i / length;
+#ifdef BEAMSTEER_VISUAL
+ te_lightning1(world,a+u,b+u);
+ te_lightning1(world,b+u,b-d);
+#endif
+ a = trace_endpos;
+ }
+
+ return 1;
+}
+
+vector steerlib_beamsteer(vector dir, float length, float step, float step_up, float step_down)
+{SELFPARAM();
+ float bm_forward, bm_right, bm_left,p;
+ vector vr,vl;
+
+ dir.z *= 0.15;
+ vr = vectoangles(dir);
+ //vr_x *= -1;
+
+ tracebox(self.origin + '0 0 1' * step_up, self.mins, self.maxs, ('0 0 1' * step_up) + self.origin + (dir * length), MOVE_NOMONSTERS, self);
+ if(trace_fraction == 1.0)
+ {
+ //te_lightning1(self,self.origin,self.origin + (dir * length));
+ return dir;
+ }
+
+
+
+
+ makevectors(vr);
+ bm_forward = beamsweep(self.origin, v_forward, length, step, step_up, step_down);
+
+ vr = normalize(v_forward + v_right * 0.125);
+ vl = normalize(v_forward - v_right * 0.125);
+
+ bm_right = beamsweep(self.origin, vr, length, step, step_up, step_down);
+ bm_left = beamsweep(self.origin, vl, length, step, step_up, step_down);
+
+
+ p = bm_left + bm_right;
+ if(p == 2)
+ {
+ //te_lightning1(self,self.origin + '0 0 32',self.origin + '0 0 32' + vr * length);
+ //te_lightning1(self.tur_head,self.origin + '0 0 32',self.origin + '0 0 32' + vl * length);
+
+ return v_forward;
+ }
+
+ p = 2 - p;
+
+ vr = normalize(v_forward + v_right * p);
+ vl = normalize(v_forward - v_right * p);
+ bm_right = beamsweep(self.origin, vr, length, step, step_up, step_down);
+ bm_left = beamsweep(self.origin, vl, length, step, step_up, step_down);
+
+
+ if(bm_left + bm_right < 0.15)
+ {
+ vr = normalize((v_forward*-1) + v_right * 0.75);
+ vl = normalize((v_forward*-1) - v_right * 0.75);
+
+ bm_right = beamsweep(self.origin, vr, length, step, step_up, step_down);
+ bm_left = beamsweep(self.origin, vl, length, step, step_up, step_down);
+ }
+
+ //te_lightning1(self,self.origin + '0 0 32',self.origin + '0 0 32' + vr * length);
+ //te_lightning1(self.tur_head,self.origin + '0 0 32',self.origin + '0 0 32' + vl * length);
+
+ bm_forward *= bm_forward;
+ bm_right *= bm_right;
+ bm_left *= bm_left;
+
+ vr = vr * bm_right;
+ vl = vl * bm_left;
+
+ return normalize(vr + vl);
+
+}
+
+
+//////////////////////////////////////////////
+// Testting //
+// Everything below this point is a mess :D //
+//////////////////////////////////////////////
+//#define TLIBS_TETSLIBS
+#ifdef TLIBS_TETSLIBS
+void flocker_die()
+{SELFPARAM();
+ Send_Effect(EFFECT_ROCKET_EXPLODE, self.origin, '0 0 0', 1);
+
+ self.owner.cnt += 1;
+ self.owner = world;
+
+ self.nextthink = time;
+ self.think = SUB_Remove;
+}
+
+
+void flocker_think()
+{SELFPARAM();
+ vector dodgemove,swarmmove;
+ vector reprellmove,wandermove,newmove;
+
+ self.angles_x = self.angles.x * -1;
+ makevectors(self.angles);
+ self.angles_x = self.angles.x * -1;
+
+ dodgemove = steerlib_traceavoid(0.35,1000);
+ swarmmove = steerlib_flock(500,75,700,500);
+ reprellmove = steerlib_repell(self.owner.enemy.origin+self.enemy.velocity,2000) * 700;
+
+ if(vlen(dodgemove) == 0)
+ {
+ self.pos1 = steerlib_wander(0.5,0.1,self.pos1);
+ wandermove = self.pos1 * 50;
+ }
+ else
+ self.pos1 = normalize(self.velocity);
+
+ dodgemove = dodgemove * vlen(self.velocity) * 5;
+
+ newmove = swarmmove + reprellmove + wandermove + dodgemove;
+ self.velocity = movelib_inertmove_byspeed(newmove,300,0.2,0.9);
+ //self.velocity = movelib_inertmove(dodgemove,0.65);
+
+ self.velocity = movelib_dragvec(0.01,0.6);
+
+ self.angles = vectoangles(self.velocity);
+
+ if(self.health <= 0)
+ flocker_die();
+ else
+ self.nextthink = time + 0.1;
+}
+
+MODEL(FLOCKER, "models/turrets/rocket.md3");
+
+void spawn_flocker()
+{SELFPARAM();
+ entity flocker;
+
+ flocker = spawn ();
+
+ setorigin(flocker, self.origin + '0 0 32');
+ setmodel (flocker, MDL_FLOCKER);
+ setsize (flocker, '-3 -3 -3', '3 3 3');
+
+ flocker.flock_id = self.flock_id;
+ flocker.classname = "flocker";
+ flocker.owner = self;
+ flocker.think = flocker_think;
+ flocker.nextthink = time + random() * 5;
+ PROJECTILE_MAKETRIGGER(flocker);
+ flocker.movetype = MOVETYPE_BOUNCEMISSILE;
+ flocker.effects = EF_LOWPRECISION;
+ flocker.velocity = randomvec() * 300;
+ flocker.angles = vectoangles(flocker.velocity);
+ flocker.health = 10;
+ flocker.pos1 = normalize(flocker.velocity + randomvec() * 0.1);
+
+ self.cnt = self.cnt -1;
+
+}
+
+void flockerspawn_think()
+{SELFPARAM();
+
+
+ if(self.cnt > 0)
+ spawn_flocker();
+
+ self.nextthink = time + self.delay;
+
+}
+
+void flocker_hunter_think()
+{SELFPARAM();
+ vector dodgemove,attractmove,newmove;
+ entity e,ee;
+ float d,bd;
+
+ self.angles_x = self.angles.x * -1;
+ makevectors(self.angles);
+ self.angles_x = self.angles.x * -1;
+
+ if(self.enemy)
+ if(vlen(self.enemy.origin - self.origin) < 64)
+ {
+ ee = self.enemy;
+ ee.health = -1;
+ self.enemy = world;
+
+ }
+
+ if(!self.enemy)
+ {
+ e = findchainfloat(flock_id,self.flock_id);
+ while(e)
+ {
+ d = vlen(self.origin - e.origin);
+
+ if(e != self.owner)
+ if(e != ee)
+ if(d > bd)
+ {
+ self.enemy = e;
+ bd = d;
+ }
+ e = e.chain;
+ }
+ }
+
+ if(self.enemy)
+ attractmove = steerlib_attract(self.enemy.origin+self.enemy.velocity * 0.1,5000) * 1250;
+ else
+ attractmove = normalize(self.velocity) * 200;
+
+ dodgemove = steerlib_traceavoid(0.35,1500) * vlen(self.velocity);
+
+ newmove = dodgemove + attractmove;
+ self.velocity = movelib_inertmove_byspeed(newmove,1250,0.3,0.7);
+ self.velocity = movelib_dragvec(0.01,0.5);
+
+
+ self.angles = vectoangles(self.velocity);
+ self.nextthink = time + 0.1;
+}
+
+
+float globflockcnt;
+spawnfunc(flockerspawn)
+{SELFPARAM();
+ ++globflockcnt;
+
+ if(!self.cnt) self.cnt = 20;
+ if(!self.delay) self.delay = 0.25;
+ if(!self.flock_id) self.flock_id = globflockcnt;
+
+ self.think = flockerspawn_think;
+ self.nextthink = time + 0.25;
+
+ self.enemy = spawn();
+
+ setmodel(self.enemy, MDL_FLOCKER);
+ setorigin(self.enemy,self.origin + '0 0 768' + (randomvec() * 128));
+
+ self.enemy.classname = "FLock Hunter";
+ self.enemy.scale = 3;
+ self.enemy.effects = EF_LOWPRECISION;
+ self.enemy.movetype = MOVETYPE_BOUNCEMISSILE;
+ PROJECTILE_MAKETRIGGER(self.enemy);
+ self.enemy.think = flocker_hunter_think;
+ self.enemy.nextthink = time + 10;
+ self.enemy.flock_id = self.flock_id;
+ self.enemy.owner = self;
+}
+#endif
+
+
+
projects / xonotic / xonotic-data.pk3dir.git / blobdiff