walker.qc File Reference

#include "walker.qh"
#include <common/physics/movelib.qh>
#include <common/weapons/weapon/devastator.qh>
#include <common/weapons/weapon/machinegun.qh>

Include dependency graph for walker.qc:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros
#define	WALKER_ROCKET_MOVE(s)

Functions
	spawnfunc (turret_walker)
void	walker_draw (entity this)
void	walker_findtarget (entity this)
void	walker_fire_rocket (entity this, vector org)
bool	walker_firecheck (entity this)
void	walker_melee_do_dmg (entity this)
bool	walker_melee_do_dmg_cond (entity e)
void	walker_move_path (entity this)
void	walker_move_to (entity this, vector _target, float _dist)
void	walker_rocket_damage (entity this, entity inflictor, entity attacker, float damage, float deathtype,.entity weaponentity, vector hitloc, vector vforce)
void	walker_rocket_explode (entity this)
void	walker_rocket_loop (entity this)
void	walker_rocket_loop2 (entity this)
void	walker_rocket_loop3 (entity this)
void	walker_rocket_think (entity this)
void	walker_rocket_touch (entity this, entity toucher)
void	walker_setnoanim (entity this)

Variables
const int	ANIM_JUMP = 6
const int	ANIM_LAND = 7
const int	ANIM_MELEE = 9
const int	ANIM_NO = 0
const int	ANIM_PAIN = 8
const int	ANIM_ROAM = 11
const int	ANIM_RUN = 3
const int	ANIM_STRAFE_L = 4
const int	ANIM_STRAFE_R = 5
const int	ANIM_SWIM = 10
const int	ANIM_TURN = 1
const int	ANIM_WALK = 2
float	animflag
float	autocvar_g_turrets_unit_walker_melee_damage
float	autocvar_g_turrets_unit_walker_melee_force
float	autocvar_g_turrets_unit_walker_melee_range
float	autocvar_g_turrets_unit_walker_rocket_damage
float	autocvar_g_turrets_unit_walker_rocket_force
float	autocvar_g_turrets_unit_walker_rocket_radius
float	autocvar_g_turrets_unit_walker_rocket_range
float	autocvar_g_turrets_unit_walker_rocket_range_min
float	autocvar_g_turrets_unit_walker_rocket_refire
float	autocvar_g_turrets_unit_walker_rocket_speed
float	autocvar_g_turrets_unit_walker_rocket_turnrate
float	autocvar_g_turrets_unit_walker_speed_jump
float	autocvar_g_turrets_unit_walker_speed_roam
float	autocvar_g_turrets_unit_walker_speed_run
float	autocvar_g_turrets_unit_walker_speed_stop
float	autocvar_g_turrets_unit_walker_speed_swim
float	autocvar_g_turrets_unit_walker_speed_walk
float	autocvar_g_turrets_unit_walker_turn
float	autocvar_g_turrets_unit_walker_turn_run
float	autocvar_g_turrets_unit_walker_turn_strafe
float	autocvar_g_turrets_unit_walker_turn_swim
float	autocvar_g_turrets_unit_walker_turn_walk
vector	enemy_last_loc
float	enemy_last_time
float	idletime

Macro Definition Documentation

WALKER_ROCKET_MOVE

#define WALKER_ROCKET_MOVE

(

s

)

Value:

movelib_move_simple((s), newdir, autocvar_g_turrets_unit_walker_rocket_speed, autocvar_g_turrets_unit_walker_rocket_turnrate); \
UpdateCSQCProjectile(s)

Definition at line 106 of file walker.qc.

#define WALKER_ROCKET_MOVE(s) \
    movelib_move_simple((s), newdir, autocvar_g_turrets_unit_walker_rocket_speed, autocvar_g_turrets_unit_walker_rocket_turnrate); \
    UpdateCSQCProjectile(s)

Referenced by walker_rocket_loop2(), walker_rocket_loop3(), and walker_rocket_think().

Function Documentation

spawnfunc()

spawnfunc

(

turret_walker

)

Definition at line 353 of file walker.qc.

{
    if (!turret_initialize(this, TUR_WALKER))
        delete(this);
}

References turret_initialize().

walker_draw()

void walker_draw

(

entity

this

)

Definition at line 619 of file walker.qc.

{
    float dt = time - this.move_time;
    this.move_time = time;
    if (dt <= 0)
        return;
 
    fixedmakevectors(this.angles);
    movelib_groundalign4point(this, 300, 100, 0.25, 45);
    setorigin(this, this.origin + this.velocity * dt);
    this.tur_head.angles += dt * this.tur_head.avelocity;
 
    if (GetResource(this, RES_HEALTH) < 127
    && random() < 0.15)
        te_spark(this.origin + '0 0 40', randomvec() * 256 + '0 0 256', 16);
}

References angles, entity(), fixedmakevectors(), GetResource(), move_time, movelib_groundalign4point(), origin, random(), randomvec(), time, tur_head, and velocity.

walker_findtarget()

void walker_findtarget

(

entity

this

)

Definition at line 329 of file walker.qc.

{
    entity e = find(NULL, targetname, this.target);
    if (!e)
    {
        LOG_TRACE("Initital waypoint for walker does NOT exist, fix your map!");
        this.target = "";
    }
 
    if (e.classname != "turret_checkpoint")
        LOG_TRACE("Warning: not a turrret path");
    else
    {
#ifdef WALKER_FANCYPATHING
        this.pathcurrent = pathlib_astar(this, this.origin, e.origin);
        this.pathgoal = e;
#else
        this.pathcurrent = e;
#endif
    }
 
    // TODO: this doesn't reset target, so tur_defend will be the checkpoint too!
}

References entity(), find(), LOG_TRACE, NULL, origin, pathcurrent, pathgoal, pathlib_astar(), target, and targetname.

walker_fire_rocket()

void walker_fire_rocket	(	entity	this,
		vector	org )

Definition at line 206 of file walker.qc.

{
    fixedmakevectors(this.angles);
 
    te_explosion (org);
 
    entity rocket = new(walker_rocket);
    setorigin(rocket, org);
    rocket.solid             = SOLID_BBOX; // before setsize so it will be linked to the area grid
    sound(this, CH_WEAPON_A, SND_TUR_WALKER_FIRE, VOL_BASE, ATTEN_NORM);
    setsize(rocket, '-3 -3 -3', '3 3 3'); // give it some size so it can be shot
 
    rocket.realowner         = this;
    rocket.owner             = this;
    rocket.bot_dodge         = true;
    rocket.bot_dodgerating   = 50;
    rocket.takedamage        = DAMAGE_YES;
    rocket.damageforcescale  = 2;
    SetResourceExplicit(rocket, RES_HEALTH, 25);
    rocket.tur_shotorg       = randomvec() * 512;
    rocket.cnt               = time + 1;
    rocket.enemy             = this.enemy;
 
    if (random() < 0.01)
        setthink(rocket, walker_rocket_loop);
    else
        setthink(rocket, walker_rocket_think);
 
    rocket.event_damage = walker_rocket_damage;
 
    rocket.nextthink = time;
    set_movetype(rocket, MOVETYPE_FLY);
    rocket.velocity = normalize((v_forward + v_up * 0.5) + (randomvec() * 0.2)) * autocvar_g_turrets_unit_walker_rocket_speed;
    rocket.angles = vectoangles(rocket.velocity);
    settouch(rocket, walker_rocket_touch);
    rocket.flags = FL_PROJECTILE;
    IL_PUSH(g_projectiles, rocket);
    IL_PUSH(g_bot_dodge, rocket);
    rocket.max_health = time + 9;
    rocket.missile_flags = MIF_SPLASH | MIF_PROXY | MIF_GUIDED_HEAT;
 
    CSQCProjectile(rocket, false, PROJECTILE_ROCKET, false); // no culling, has fly sound
}

References angles, ATTEN_NORM, autocvar_g_turrets_unit_walker_rocket_speed, CH_WEAPON_A, CSQCProjectile(), DAMAGE_YES, enemy, entity(), fixedmakevectors(), FL_PROJECTILE, g_bot_dodge, g_projectiles, IL_PUSH(), MIF_GUIDED_HEAT, MIF_PROXY, MIF_SPLASH, MOVETYPE_FLY, normalize(), org, PROJECTILE_ROCKET, random(), randomvec(), set_movetype(), SetResourceExplicit(), setthink, settouch, SOLID_BBOX, sound, time, v_forward, v_up, vectoangles(), vector, VOL_BASE, walker_rocket_damage(), walker_rocket_loop(), walker_rocket_think(), and walker_rocket_touch().

walker_firecheck()

bool walker_firecheck

(

entity

this

)

Definition at line 44 of file walker.qc.

{
    if (this.animflag == ANIM_MELEE)
        return false;
    return turret_firecheck(this);
}

References ANIM_MELEE, animflag, entity(), and turret_firecheck().

walker_melee_do_dmg()

void walker_melee_do_dmg

(

entity

this

)

Definition at line 56 of file walker.qc.

{
    makevectors(this.angles);
 
    WarpZone_SearchInRadius_otherent = this;
    for (entity e = WarpZone_SearchInRadius(this.origin + v_forward * 128, 32, MOVE_NOTHING, walker_melee_do_dmg_cond); e; e = e.chain)
        Damage(e, this, this,
            autocvar_g_turrets_unit_walker_melee_damage,
            DEATH_TURRET_WALK_MELEE.m_id,
            DMG_NOWEP,
            e.WarpZone_findradius_nearest,
            WarpZone_TransformVelocity(e, v_forward * autocvar_g_turrets_unit_walker_melee_force)
        );
}

References angles, autocvar_g_turrets_unit_walker_melee_damage, autocvar_g_turrets_unit_walker_melee_force, Damage(), DMG_NOWEP, entity(), makevectors, MOVE_NOTHING, origin, v_forward, walker_melee_do_dmg_cond(), WarpZone_SearchInRadius(), WarpZone_SearchInRadius_otherent, and WarpZone_TransformVelocity().

walker_melee_do_dmg_cond()

bool walker_melee_do_dmg_cond

(

entity

e

)

Definition at line 51 of file walker.qc.

{
    return (turret_validate_target(WarpZone_SearchInRadius_otherent, e, WarpZone_SearchInRadius_otherent.target_validate_flags)
        && e != WarpZone_SearchInRadius_otherent && e.owner != WarpZone_SearchInRadius_otherent);
}

References entity(), turret_validate_target(), and WarpZone_SearchInRadius_otherent.

Referenced by walker_melee_do_dmg().

walker_move_path()

void walker_move_path

(

entity

this

)

Definition at line 282 of file walker.qc.

{
#ifdef WALKER_FANCYPATHING
    // Are we close enougth to a path node to switch to the next?
    if (turret_closetotarget(this, this.pathcurrent.origin, 64))
    {
        if (this.pathcurrent.path_next == NULL)
        {
            // Path endpoint reached
            pathlib_deletepath(this.pathcurrent.owner);
            this.pathcurrent = NULL;
 
            if (this.pathgoal)
            {
                if (this.pathgoal.use)
                    this.pathgoal.use(this, NULL, NULL);
 
                if (this.pathgoal.enemy)
                {
                    this.pathcurrent = pathlib_astar(this, this.pathgoal.origin, this.pathgoal.enemy.origin);
                    this.pathgoal = this.pathgoal.enemy;
                }
            }
            else
                this.pathgoal = NULL;
        }
        else
            this.pathcurrent = this.pathcurrent.path_next;
    }
 
    this.moveto = this.pathcurrent.origin;
    this.steerto = steerlib_attract2(this, this.moveto, 0.5, 500, 0.95);
    walker_move_to(this, this.moveto, 0);
 
#else
    if (turret_closetotarget(this, this.pathcurrent.origin, 64))
        this.pathcurrent = this.pathcurrent.enemy;
 
    if (!this.pathcurrent)
        return;
 
    this.moveto = this.pathcurrent.origin;
    this.steerto = steerlib_attract2(this, this.moveto, 0.5, 500, 0.95);
    walker_move_to(this, this.moveto, 0);
#endif
}

References entity(), moveto, NULL, pathcurrent, pathgoal, pathlib_astar(), pathlib_deletepath(), steerlib_attract2(), steerto, turret_closetotarget(), and walker_move_to().

walker_move_to()

void walker_move_to	(	entity	this,
		vector	_target,
		float	_dist )

Definition at line 252 of file walker.qc.

{
    switch (this.waterlevel)
    {
        case WATERLEVEL_NONE:
            if (_dist > 500)
                this.animflag = ANIM_RUN;
            else
                this.animflag = ANIM_WALK;
        case WATERLEVEL_WETFEET:
        case WATERLEVEL_SWIMMING:
            if (this.animflag != ANIM_SWIM)
                this.animflag = ANIM_WALK;
            else
                this.animflag = ANIM_SWIM;
            break;
        case WATERLEVEL_SUBMERGED:
            this.animflag = ANIM_SWIM;
    }
 
    this.moveto = _target;
    this.steerto = steerlib_attract2(this, this.moveto, 0.5, 500, 0.95);
 
    if (this.enemy)
    {
        this.enemy_last_loc = _target;
        this.enemy_last_time = time;
    }
}

References ANIM_RUN, ANIM_SWIM, ANIM_WALK, animflag, enemy, enemy_last_loc, enemy_last_time, entity(), moveto, steerlib_attract2(), steerto, time, vector, waterlevel, WATERLEVEL_NONE, WATERLEVEL_SUBMERGED, WATERLEVEL_SWIMMING, and WATERLEVEL_WETFEET.

Referenced by walker_move_path().

walker_rocket_damage()

void walker_rocket_damage	(	entity	this,
		entity	inflictor,
		entity	attacker,
		float	damage,
		float	deathtype,
		.entity	weaponentity,
		vector	hitloc,
		vector	vforce )

Definition at line 97 of file walker.qc.

{
    TakeResource(this, RES_HEALTH, damage);
    this.velocity += vforce;
 
    if (GetResource(this, RES_HEALTH) <= 0)
        W_PrepareExplosionByDamage(this, this.realowner, walker_rocket_explode);
}

References entity(), GetResource(), realowner, TakeResource(), vector, velocity, W_PrepareExplosionByDamage(), and walker_rocket_explode().

Referenced by walker_fire_rocket().

walker_rocket_explode()

void walker_rocket_explode

(

entity

this

)

Definition at line 76 of file walker.qc.

{
    RadiusDamage(this, this.realowner,
        autocvar_g_turrets_unit_walker_rocket_damage,
        0,
        autocvar_g_turrets_unit_walker_rocket_radius,
        this,
        NULL,
        autocvar_g_turrets_unit_walker_rocket_force,
        DEATH_TURRET_WALK_ROCKET.m_id,
        DMG_NOWEP,
        NULL
    );
    delete(this);
}

References autocvar_g_turrets_unit_walker_rocket_damage, autocvar_g_turrets_unit_walker_rocket_force, autocvar_g_turrets_unit_walker_rocket_radius, DMG_NOWEP, entity(), NULL, RadiusDamage(), and realowner.

Referenced by walker_rocket_damage(), walker_rocket_loop2(), walker_rocket_loop3(), walker_rocket_think(), and walker_rocket_touch().

walker_rocket_loop()

void walker_rocket_loop

(

entity

this

)

Definition at line 198 of file walker.qc.

{
    this.nextthink = time;
    this.tur_shotorg = this.origin + '0 0 300';
    setthink(this, walker_rocket_loop2);
    this.shot_dmg = 1337;
}

References entity(), nextthink, origin, setthink, time, tur_shotorg, and walker_rocket_loop2().

Referenced by walker_fire_rocket(), and walker_rocket_think().

walker_rocket_loop2()

void walker_rocket_loop2

(

entity

this

)

Definition at line 177 of file walker.qc.

{
    this.nextthink = time;
 
    if (this.max_health < time)
    {
        setthink(this, walker_rocket_explode);
        return;
    }
 
    if (vdist(this.origin - this.tur_shotorg, <, 100))
    {
        this.tur_shotorg = this.origin - '0 0 200';
        setthink(this, walker_rocket_loop3);
        return;
    }
 
    vector newdir = steerlib_pull(this, this.tur_shotorg);
    WALKER_ROCKET_MOVE(this);
}

References entity(), max_health, nextthink, origin, setthink, steerlib_pull, time, tur_shotorg, vdist, vector, walker_rocket_explode(), walker_rocket_loop3(), and WALKER_ROCKET_MOVE.

Referenced by walker_rocket_loop().

walker_rocket_loop3()

void walker_rocket_loop3

(

entity

this

)

Definition at line 155 of file walker.qc.

{
    this.nextthink = time;
 
    if (this.max_health < time)
    {
        setthink(this, walker_rocket_explode);
        return;
    }
 
    if (vdist(this.origin - this.tur_shotorg, <, 100))
    {
        setthink(this, walker_rocket_think);
        return;
    }
 
    vector newdir = steerlib_pull(this, this.tur_shotorg);
    WALKER_ROCKET_MOVE(this);
 
    this.angles = vectoangles(this.velocity);
}

References angles, entity(), max_health, nextthink, origin, setthink, steerlib_pull, time, tur_shotorg, vdist, vectoangles(), vector, velocity, walker_rocket_explode(), WALKER_ROCKET_MOVE, and walker_rocket_think().

Referenced by walker_rocket_loop2().

walker_rocket_think()

void walker_rocket_think

(

entity

this

)

Definition at line 110 of file walker.qc.

{
    this.nextthink = time;
 
    float edist = vlen(this.enemy.origin - this.origin);
 
    // Simulate crude guidance
    if (this.cnt < time)
    {
        this.tur_shotorg = randomvec() * min(edist, (edist < 1000 ? 64 : 256));
        this.cnt = time + 0.5;
    }
 
    if (edist < 128)
        this.tur_shotorg = '0 0 0';
 
    if (this.max_health < time)
    {
        setthink(this, walker_rocket_explode);
        this.nextthink = time;
        return;
    }
 
    if (this.shot_dmg != 1337 && random() < 0.01)
    {
        walker_rocket_loop(this);
        return;
    }
 
    // Enemy dead? just keep on the current heading then.
    if (this.enemy == NULL || IS_DEAD(this.enemy))
        this.enemy = NULL;
 
    vector newdir;
    if (this.enemy)
    {
        //float itime = max(edist / vlen(this.velocity), 1);
        newdir = steerlib_pull(this, this.enemy.origin + this.tur_shotorg);
    }
    else
        newdir  = normalize(this.velocity);
 
    WALKER_ROCKET_MOVE(this);
}

References cnt, enemy, entity(), IS_DEAD, max_health, min(), nextthink, normalize(), NULL, random(), randomvec(), setthink, steerlib_pull, time, tur_shotorg, vector, velocity, vlen(), walker_rocket_explode(), walker_rocket_loop(), and WALKER_ROCKET_MOVE.

Referenced by walker_fire_rocket(), and walker_rocket_loop3().

walker_rocket_touch()

void walker_rocket_touch	(	entity	this,
		entity	toucher )

Definition at line 92 of file walker.qc.

{
    walker_rocket_explode(this);
}

References entity(), toucher, and walker_rocket_explode().

Referenced by walker_fire_rocket().

walker_setnoanim()

void walker_setnoanim

(

entity

this

)

Definition at line 71 of file walker.qc.

{
    turrets_setframe(this, ANIM_NO, false);
    this.animflag = this.frame;
}

References ANIM_NO, animflag, entity(), frame, and turrets_setframe().

Variable Documentation

ANIM_JUMP

const int ANIM_JUMP = 6

Definition at line 34 of file walker.qc.

ANIM_LAND

const int ANIM_LAND = 7

Definition at line 35 of file walker.qc.

ANIM_MELEE

const int ANIM_MELEE = 9

Definition at line 37 of file walker.qc.

Referenced by walker_firecheck().

ANIM_NO

const int ANIM_NO = 0

Definition at line 28 of file walker.qc.

Referenced by walker_setnoanim().

ANIM_PAIN

const int ANIM_PAIN = 8

Definition at line 36 of file walker.qc.

ANIM_ROAM

const int ANIM_ROAM = 11

Definition at line 39 of file walker.qc.

ANIM_RUN

const int ANIM_RUN = 3

Definition at line 31 of file walker.qc.

Referenced by walker_move_to().

ANIM_STRAFE_L

const int ANIM_STRAFE_L = 4

Definition at line 32 of file walker.qc.

ANIM_STRAFE_R

const int ANIM_STRAFE_R = 5

Definition at line 33 of file walker.qc.

ANIM_SWIM

const int ANIM_SWIM = 10

Definition at line 38 of file walker.qc.

Referenced by walker_move_to().

ANIM_TURN

const int ANIM_TURN = 1

Definition at line 29 of file walker.qc.

ANIM_WALK

const int ANIM_WALK = 2

Definition at line 30 of file walker.qc.

Referenced by walker_move_to().

animflag

float animflag

Definition at line 41 of file walker.qc.

Referenced by walker_firecheck(), walker_move_to(), and walker_setnoanim().

autocvar_g_turrets_unit_walker_melee_damage

float autocvar_g_turrets_unit_walker_melee_damage

Definition at line 5 of file walker.qc.

Referenced by walker_melee_do_dmg().

autocvar_g_turrets_unit_walker_melee_force

float autocvar_g_turrets_unit_walker_melee_force

Definition at line 6 of file walker.qc.

Referenced by walker_melee_do_dmg().

autocvar_g_turrets_unit_walker_melee_range

float autocvar_g_turrets_unit_walker_melee_range

Definition at line 7 of file walker.qc.

autocvar_g_turrets_unit_walker_rocket_damage

float autocvar_g_turrets_unit_walker_rocket_damage

Definition at line 8 of file walker.qc.

Referenced by walker_rocket_explode().

autocvar_g_turrets_unit_walker_rocket_force

float autocvar_g_turrets_unit_walker_rocket_force

Definition at line 10 of file walker.qc.

Referenced by walker_rocket_explode().

autocvar_g_turrets_unit_walker_rocket_radius

float autocvar_g_turrets_unit_walker_rocket_radius

Definition at line 9 of file walker.qc.

Referenced by walker_rocket_explode().

autocvar_g_turrets_unit_walker_rocket_range

float autocvar_g_turrets_unit_walker_rocket_range

Definition at line 12 of file walker.qc.

autocvar_g_turrets_unit_walker_rocket_range_min

float autocvar_g_turrets_unit_walker_rocket_range_min

Definition at line 13 of file walker.qc.

autocvar_g_turrets_unit_walker_rocket_refire

float autocvar_g_turrets_unit_walker_rocket_refire

Definition at line 14 of file walker.qc.

autocvar_g_turrets_unit_walker_rocket_speed

float autocvar_g_turrets_unit_walker_rocket_speed

Definition at line 11 of file walker.qc.

Referenced by walker_fire_rocket().

autocvar_g_turrets_unit_walker_rocket_turnrate

float autocvar_g_turrets_unit_walker_rocket_turnrate

Definition at line 15 of file walker.qc.

autocvar_g_turrets_unit_walker_speed_jump

float autocvar_g_turrets_unit_walker_speed_jump

Definition at line 19 of file walker.qc.

autocvar_g_turrets_unit_walker_speed_roam

float autocvar_g_turrets_unit_walker_speed_roam

Definition at line 21 of file walker.qc.

autocvar_g_turrets_unit_walker_speed_run

float autocvar_g_turrets_unit_walker_speed_run

Definition at line 18 of file walker.qc.

autocvar_g_turrets_unit_walker_speed_stop

float autocvar_g_turrets_unit_walker_speed_stop

Definition at line 16 of file walker.qc.

autocvar_g_turrets_unit_walker_speed_swim

float autocvar_g_turrets_unit_walker_speed_swim

Definition at line 20 of file walker.qc.

autocvar_g_turrets_unit_walker_speed_walk

float autocvar_g_turrets_unit_walker_speed_walk

Definition at line 17 of file walker.qc.

autocvar_g_turrets_unit_walker_turn

float autocvar_g_turrets_unit_walker_turn

Definition at line 22 of file walker.qc.

autocvar_g_turrets_unit_walker_turn_run

float autocvar_g_turrets_unit_walker_turn_run

Definition at line 26 of file walker.qc.

autocvar_g_turrets_unit_walker_turn_strafe

float autocvar_g_turrets_unit_walker_turn_strafe

Definition at line 24 of file walker.qc.

autocvar_g_turrets_unit_walker_turn_swim

float autocvar_g_turrets_unit_walker_turn_swim

Definition at line 25 of file walker.qc.

autocvar_g_turrets_unit_walker_turn_walk

float autocvar_g_turrets_unit_walker_turn_walk

Definition at line 23 of file walker.qc.

enemy_last_loc

vector enemy_last_loc

Definition at line 250 of file walker.qc.

Referenced by walker_move_to().

enemy_last_time

float enemy_last_time

Definition at line 251 of file walker.qc.

Referenced by walker_move_to().

idletime

float idletime

Definition at line 42 of file walker.qc.