crosshair.qc

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#include "crosshair.qh"
 
#include <client/draw.qh>
#include <client/hud/panel/scoreboard.qh>
#include <client/view.qh>
#include <common/deathtypes/all.qh>
#include <common/ent_cs.qh>
#include <common/mapobjects/trigger/viewloc.qh>
#include <common/minigames/cl_minigames.qh>
#include <common/minigames/cl_minigames_hud.qh>
#include <common/mutators/mutator/overkill/oknex.qh>
#include <common/vehicles/all.qh>
#include <common/viewloc.qh>
#include <common/wepent.qh>
#include <lib/csqcmodel/cl_player.qh>
#include <lib/warpzone/common.qh>
 
float pickup_crosshair_time, pickup_crosshair_size;
float hitindication_crosshair_size;
float use_vortex_chargepool;
 
vector wcross_origin;
float wcross_scale_prev, wcross_alpha_prev;
vector wcross_color_prev;
float wcross_scale_goal_prev, wcross_alpha_goal_prev;
vector wcross_color_goal_prev;
float wcross_changedonetime;
 
string wcross_name_goal_prev, wcross_name_goal_prev_prev;
float wcross_resolution_goal_prev, wcross_resolution_goal_prev_prev;
float wcross_name_changestarttime, wcross_name_changedonetime;
float wcross_name_alpha_goal_prev, wcross_name_alpha_goal_prev_prev;
 
float wcross_ring_prev;
 
entity trueaim;
entity trueaim_rifle;
 
const float SHOTTYPE_HITTEAM = 1;
const float SHOTTYPE_HITOBSTRUCTION = 2;
const float SHOTTYPE_HITWORLD = 3;
const float SHOTTYPE_HITENEMY = 4;
 
void TrueAim_Init()
{
    (trueaim = new_pure(trueaim)).dphitcontentsmask = DPCONTENTS_SOLID | DPCONTENTS_BODY | DPCONTENTS_CORPSE;
    (trueaim_rifle = new_pure(trueaim_rifle)).dphitcontentsmask = DPCONTENTS_BODY | DPCONTENTS_CORPSE;
}
 
int EnemyHitCheck()
{
    wcross_origin = project_3d_to_2d(trace_endpos);
    wcross_origin.z = 0;
    float n;
    if (trace_ent)
        n = trace_ent.entnum;
    else
        n = trace_networkentity;
    if (n < 1)
        return SHOTTYPE_HITWORLD;
    if (n > maxclients)
        return SHOTTYPE_HITWORLD;
    int t = entcs_GetTeam(n - 1);
    if (teamplay && t == myteam)
        return SHOTTYPE_HITTEAM;
    if (t == NUM_SPECTATOR)
        return SHOTTYPE_HITWORLD;
    return SHOTTYPE_HITENEMY;
}
 
int TrueAimCheck(entity wepent)
{
    if (wepent.activeweapon.spawnflags & WEP_FLAG_NOTRUEAIM)
        return SHOTTYPE_HITWORLD;
 
    vector mi = '0 0 0', ma = '0 0 0';
    entity ta = trueaim;
    float mv = MOVE_NOMONSTERS;
 
    switch (wepent.activeweapon) // WEAPONTODO
    {
        case WEP_VORTEX:
        case WEP_OVERKILL_NEX:
        case WEP_VAPORIZER:
            mv = MOVE_NORMAL;
            break;
        case WEP_RIFLE:
            ta = trueaim_rifle;
            mv = MOVE_NORMAL;
            if (zoomscript_caught)
            {
                tracebox(view_origin, '0 0 0', '0 0 0', view_origin + view_forward * max_shot_distance, mv, ta);
                return EnemyHitCheck();
            }
            break;
        case WEP_DEVASTATOR: // projectile has a size!
            mi = '-3 -3 -3';
            ma = '3 3 3';
            break;
        case WEP_FIREBALL: // projectile has a size!
            mi = '-16 -16 -16';
            ma = '16 16 16';
            break;
        case WEP_SEEKER: // projectile has a size!
            mi = '-2 -2 -2';
            ma = '2 2 2';
            break;
        case WEP_ELECTRO: // projectile has a size!
            mi = '0 0 -3';
            ma = '0 0 -3';
            break;
    }
 
    vector traceorigin = entcs_receiver(player_localentnum - 1).origin + (eZ * STAT(VIEWHEIGHT));
 
    traceline(traceorigin, traceorigin + view_forward * max_shot_distance, mv, ta);
    vector trueaimpoint = trace_endpos;
    // move trueaimpoint a little bit forward to make the final tracebox reliable
    // since it sometimes doesn't reach a teammate by a hair
    trueaimpoint += view_forward;
 
    if (vdist((trueaimpoint - traceorigin), <, g_trueaim_minrange))
        trueaimpoint = traceorigin + view_forward * g_trueaim_minrange;
 
    vector vecs = decompressShotOrigin(STAT(SHOTORG));
 
    if (vecs.x > 0)
        vecs.y = -vecs.y;
    else
        vecs = '0 0 0';
 
    vector dv = view_right * vecs.y + view_up * vecs.z;
    vector w_shotorg = traceorigin + dv;
 
    // now move the vecs forward as much as requested if possible
    float nudge = 1; // added to traceline target and subtracted from result TOOD(divVerent): do we still need this? Doesn't the engine do this now for us?
    tracebox(w_shotorg, mi, ma, w_shotorg + view_forward * (vecs.x + nudge), MOVE_NORMAL, ta); // FIXME this MOVE_NORMAL part will misbehave a little in csqc
    w_shotorg = trace_endpos - view_forward * nudge;
 
    tracebox(w_shotorg, mi, ma, trueaimpoint, MOVE_NORMAL, ta);
    float shottype = EnemyHitCheck();
    if (shottype != SHOTTYPE_HITWORLD)
        return shottype;
 
#if 0
    // FIXME WHY DOES THIS NOT WORK FOR THE ROCKET LAUNCHER?
    // or rather, I know why, but see no fix
    if (vlen(trace_endpos - trueaimpoint) > vlen(ma) + vlen(mi) + 1)
        // yes, this is an ugly hack... but it seems good enough to find out whether the test hits the same place as the initial trace
        return SHOTTYPE_HITOBSTRUCTION;
#endif
 
    return SHOTTYPE_HITWORLD;
}
 
void HUD_Crosshair_Vehicle(entity this)
{
    if (hud != HUD_BUMBLEBEE_GUN)
    {
        Vehicle info = REGISTRY_GET(Vehicles, hud);
        info.vr_crosshair(info, this);
    }
}
 
vector crosshair_getcolor(entity this, float health_stat)
{
    static float rainbow_last_flicker;
    static vector rainbow_prev_color;
    vector wcross_color = '0 0 0';
    switch (autocvar_crosshair_color_special)
    {
        case 1: // weapon color
            if (this != WEP_Null && hud == HUD_NORMAL)
            {
                wcross_color = this.m_color;
                break;
            }
            else
                goto normalcolor;
 
        case 2: // color based on health and armor
        {
            vector v = healtharmor_maxdamage(health_stat, STAT(ARMOR), armorblockpercent, DEATH_WEAPON.m_id);
            float health_and_armor = floor(v.x + 1);
            wcross_color = HUD_Get_Num_Color(health_and_armor, 200, false);
            break;
        }
 
        case 3: // rainbow/random color
            if (time >= rainbow_last_flicker)
            {
                rainbow_prev_color = randomvec() * autocvar_crosshair_color_special_rainbow_brightness;
                rainbow_last_flicker = time + autocvar_crosshair_color_special_rainbow_delay;
            }
            wcross_color = rainbow_prev_color;
            break;
LABEL(normalcolor)
        default:
            wcross_color = stov(autocvar_crosshair_color);
            break;
    }
 
    return wcross_color;
}
 
.entity tag_entity;
void HUD_Crosshair_ApplyPlayerAlpha(float new_alpha)
{
    csqcplayer.alpha = new_alpha;
    FOREACH_ENTITY_CLASS("ENT_CLIENT_MODEL", it.tag_entity == csqcplayer, it.alpha = new_alpha);
}
 
void HUD_Crosshair(entity this)
{
    // reset player's alpha here upon death since forced scoreboard prevents running the crosshair_chase code
    if (autocvar_chase_active > 0 && autocvar_crosshair_chase && STAT(HEALTH) <= 0 && csqcplayer)
        csqcplayer.alpha = csqcplayer.m_alpha;
 
    if (autocvar_chase_active > 0 && (autocvar_chase_front || autocvar_cl_lockview))
    {
        if (csqcplayer.alpha != csqcplayer.m_alpha)
            HUD_Crosshair_ApplyPlayerAlpha(csqcplayer.m_alpha);
        return;
    }
 
    if (!scoreboard_active && !camera_active && intermission != 2 && !STAT(GAME_STOPPED) && !autocvar_cl_lockview
        && spectatee_status != -1 && STAT(HEALTH) > 0 && !MUTATOR_CALLHOOK(DrawCrosshair)
        && (!csqcplayer.viewloc || (!spectatee_status && (csqcplayer.viewloc.spawnflags & VIEWLOC_FREEAIM)))
        && !HUD_MinigameMenu_IsOpened())
    {
        if (!autocvar_crosshair_enabled) // main toggle for crosshair rendering
            return;
 
        if (spectatee_status > 0 && STAT(CAMERA_SPECTATOR) == 2)
            return;
 
        if (hud != HUD_NORMAL)
        {
            HUD_Crosshair_Vehicle(this);
            return;
        }
 
        string wcross_style;
        float wcross_alpha, wcross_resolution;
        wcross_style = autocvar_crosshair;
        if (csqcplayer.viewloc && (csqcplayer.viewloc.spawnflags & VIEWLOC_FREEAIM) && autocvar_crosshair_2d != "")
            wcross_style = autocvar_crosshair_2d;
        if (wcross_style == "0")
            return;
        wcross_resolution = autocvar_crosshair_size;
        if (wcross_resolution == 0)
            return;
        wcross_alpha = autocvar_crosshair_alpha;
        if (wcross_alpha == 0)
            return;
 
        static int crosshair_chase_state = 0;
 
        // wcross_origin = '0.5 0 0' * vid_conwidth + '0 0.5 0' * vid_conheight;
        if (csqcplayer.viewloc && (csqcplayer.viewloc.spawnflags & VIEWLOC_FREEAIM))
            wcross_origin = viewloc_mousepos;
        else if (autocvar_chase_active > 0 && autocvar_crosshair_chase)
        {
            vector player_org = (csqcplayer ? csqcplayer.origin + csqcplayer.view_ofs : view_origin);
            float my_alpha = !csqcplayer.m_alpha ? 1 : csqcplayer.m_alpha;
            float chase_playeralpha = bound(0.001, autocvar_crosshair_chase_playeralpha, 1);
            if (csqcplayer && chase_playeralpha < 1 && my_alpha > chase_playeralpha)
            {
                crosshair_chase_state = 2;
                bool hit = false;
                if (pointinsidebox(view_origin, csqcplayer.absmin, csqcplayer.absmax))
                    hit = true;
                else
                {
                    WarpZone_TraceLine(view_origin, view_origin + max_shot_distance * view_forward, MOVE_NORMAL, NULL);
                    if (trace_ent == csqcplayer)
                        hit = true;
                }
                float prev_alpha = csqcplayer.alpha;
                float new_alpha = hit
                    ? max(csqcplayer.alpha - frametime * 5, chase_playeralpha)
                    : min(csqcplayer.alpha + frametime * 5, my_alpha);
 
                if (new_alpha != prev_alpha)
                    HUD_Crosshair_ApplyPlayerAlpha(new_alpha);
            }
            traceline(player_org, player_org + max_shot_distance * view_forward, MOVE_WORLDONLY, NULL);
            wcross_origin = project_3d_to_2d(trace_endpos);
        }
        else
            wcross_origin = project_3d_to_2d(view_origin + max_shot_distance * view_forward);
        wcross_origin.z = 0;
        if (crosshair_chase_state == 2) // enabled (this frame)
            crosshair_chase_state = 1;
        else if (crosshair_chase_state == 1) // turned off in the previous frame
        {
            // reset player alpha only in this frame
            if (csqcplayer)
                HUD_Crosshair_ApplyPlayerAlpha(csqcplayer.m_alpha);
            crosshair_chase_state = 0; // turned off and alpha reset
        }
 
        // TrueAim check
        float shottype;
 
        if (autocvar_crosshair_hittest)
        {
            vector wcross_oldorigin;
            entity thiswep = viewmodels[0]; // TODO: unhardcode
            wcross_oldorigin = wcross_origin;
            shottype = TrueAimCheck(thiswep);
            if (shottype == SHOTTYPE_HITWORLD)
            {
                vector v = wcross_origin - wcross_oldorigin;
                v.x /= vid_conwidth;
                v.y /= vid_conheight;
                if (vdist(v, >, 0.01))
                    shottype = SHOTTYPE_HITOBSTRUCTION;
            }
            if (!autocvar_crosshair_hittest_showimpact)
                wcross_origin = wcross_oldorigin;
        }
        else
            shottype = SHOTTYPE_HITWORLD;
 
        vector wcross_color = '0 0 0', wcross_size = '0 0 0';
        string wcross_name = "";
        float wcross_scale, wcross_blur;
 
        entity e = WEP_Null;
        if (autocvar_crosshair_per_weapon || autocvar_crosshair_color_special == 1)
        {
            entity wepent = viewmodels[0]; // TODO: unhardcode
            e = wepent.switchingweapon;
            if (e && autocvar_crosshair_per_weapon)
            {
                // WEAPONTODO: access these through some general settings (with non-balance config settings)
                //wcross_resolution *= cvar(strcat("crosshair_", wcross_wep, "_size"));
                //if (wcross_resolution == 0)
                    //return;
 
                //wcross_style = cvar_string(strcat("crosshair_", wcross_wep));
                wcross_resolution *= e.w_crosshair_size;
                wcross_name = e.w_crosshair;
            }
        }
 
        if (wcross_name == "")
            wcross_name = strcat("gfx/crosshair", wcross_style);
 
        // MAIN CROSSHAIR COLOR DECISION
        wcross_color = crosshair_getcolor(e, STAT(HEALTH));
 
        if (autocvar_crosshair_effect_scalefade)
        {
            wcross_scale = wcross_resolution;
            wcross_resolution = 1;
        }
        else
            wcross_scale = 1;
 
        if (autocvar_crosshair_pickup)
        {
            float stat_pickup_time = STAT(LAST_PICKUP);
 
            if (pickup_crosshair_time < stat_pickup_time)
            {
                if (time - stat_pickup_time < 5) // don't trigger the animation if it's too old
                    pickup_crosshair_size = 1;
 
                pickup_crosshair_time = stat_pickup_time;
            }
 
            if (pickup_crosshair_size > 0)
                pickup_crosshair_size -= autocvar_crosshair_pickup_speed * frametime;
            else
                pickup_crosshair_size = 0;
 
            wcross_scale += sin(pickup_crosshair_size) * autocvar_crosshair_pickup;
        }
 
        // todo: make crosshair hit indication dependent on damage dealt
        if (autocvar_crosshair_hitindication)
        {
            vector col = (autocvar_crosshair_color_special == 1 ? stov(autocvar_crosshair_hitindication_per_weapon_color) : stov(autocvar_crosshair_hitindication_color));
 
            if (unaccounted_damage)
                hitindication_crosshair_size = 1;
 
            if (hitindication_crosshair_size > 0)
                hitindication_crosshair_size -= autocvar_crosshair_hitindication_speed * frametime;
            else
                hitindication_crosshair_size = 0;
 
            wcross_scale   += sin(hitindication_crosshair_size) * autocvar_crosshair_hitindication;
            wcross_color.x += sin(hitindication_crosshair_size) * col.x;
            wcross_color.y += sin(hitindication_crosshair_size) * col.y;
            wcross_color.z += sin(hitindication_crosshair_size) * col.z;
        }
 
        // no effects needed for targeting enemies, this can't possibly span all valid targets!
        // just show for teammates to give a sign that they're an invalid target
        //if (shottype == SHOTTYPE_HITENEMY)
            //wcross_scale *= autocvar_crosshair_hittest; // is not queried if hittest is 0
        if (shottype == SHOTTYPE_HITTEAM)
            wcross_scale /= autocvar_crosshair_hittest; // is not queried if hittest is 0
 
        float f = fabs(autocvar_crosshair_effect_time);
        if (wcross_scale != wcross_scale_goal_prev || wcross_alpha != wcross_alpha_goal_prev || wcross_color != wcross_color_goal_prev)
            wcross_changedonetime = time + f;
        if (wcross_name != wcross_name_goal_prev || wcross_resolution != wcross_resolution_goal_prev)
        {
            wcross_name_changestarttime = time;
            wcross_name_changedonetime = time + f;
            if (wcross_name_goal_prev_prev)
                strunzone(wcross_name_goal_prev_prev);
            wcross_name_goal_prev_prev = wcross_name_goal_prev;
            wcross_name_goal_prev = strzone(wcross_name);
            wcross_name_alpha_goal_prev_prev = wcross_name_alpha_goal_prev;
            wcross_resolution_goal_prev_prev = wcross_resolution_goal_prev;
            wcross_resolution_goal_prev = wcross_resolution;
        }
 
        wcross_scale_goal_prev = wcross_scale;
        wcross_alpha_goal_prev = wcross_alpha;
        wcross_color_goal_prev = wcross_color;
 
        if ((shottype == SHOTTYPE_HITTEAM && autocvar_crosshair_hittest_blur_teammate)
        ||  (shottype == SHOTTYPE_HITOBSTRUCTION && autocvar_crosshair_hittest_blur_wall && !autocvar_chase_active))
        {
            wcross_blur = 1;
            wcross_alpha *= 0.75;
        }
        else
            wcross_blur = 0;
        // *_prev is at time-frametime
        // * is at wcross_changedonetime+f
        // what do we have at time?
        if (time < wcross_changedonetime)
        {
            f = frametime / (wcross_changedonetime - time + frametime);
            wcross_scale = f * wcross_scale + (1 - f) * wcross_scale_prev;
            wcross_alpha = f * wcross_alpha + (1 - f) * wcross_alpha_prev;
            wcross_color = f * wcross_color + (1 - f) * wcross_color_prev;
        }
 
        wcross_scale_prev = wcross_scale;
        wcross_alpha_prev = wcross_alpha;
        wcross_color_prev = wcross_color;
 
        MUTATOR_CALLHOOK(UpdateCrosshair);
 
        wcross_scale *= 1 - autocvar__menu_alpha;
        wcross_alpha *= 1 - autocvar__menu_alpha;
        wcross_size = draw_getimagesize(wcross_name) * wcross_scale;
 
        if (wcross_scale >= 0.001 && wcross_alpha >= 0.001)
        {
            // crosshair rings for weapon stats
            if (autocvar_crosshair_ring || autocvar_crosshair_ring_reload)
            {
                // declarations and stats
                float ring_value = 0, ring_scale = 0, ring_alpha = 0, ring_inner_value = 0, ring_inner_alpha = 0;
                string ring_image = string_null, ring_inner_image = string_null;
                vector ring_rgb = '0 0 0', ring_inner_rgb = '0 0 0';
 
                ring_scale = autocvar_crosshair_ring_size;
 
                entity wepent = viewmodels[0]; // TODO: unhardcode
 
                int weapon_clipload = wepent.clip_load;
                int weapon_clipsize = wepent.clip_size;
 
                float arc_heat = wepent.arc_heat_percent;
 
                if (vortex_charge_movingavg == 0) // this should only happen if we have just loaded up the game
                    vortex_charge_movingavg = wepent.vortex_charge;
 
                float charge = 0;
                float chargepool = 0;
                bool ring_vortex_enabled = false;
                if (autocvar_crosshair_ring && autocvar_crosshair_ring_vortex)
                {
                    if (wepent.activeweapon == WEP_VORTEX)
                    {
                        charge = wepent.vortex_charge;
                        chargepool = wepent.vortex_chargepool_ammo;
                    }
                    else if (wepent.activeweapon == WEP_OVERKILL_NEX)
                    {
                        charge = wepent.oknex_charge;
                        chargepool = wepent.oknex_chargepool_ammo;
                    }
                    if (charge)
                        ring_vortex_enabled = true;
                }
 
                if (ring_vortex_enabled)
                {
                    if (chargepool || use_vortex_chargepool)
                    {
                        use_vortex_chargepool = 1;
                        ring_inner_value = chargepool;
                    }
                    else
                    {
                        float rate = autocvar_crosshair_ring_vortex_currentcharge_movingavg_rate;
                        vortex_charge_movingavg = (1 - rate) * vortex_charge_movingavg + rate * charge;
                        ring_inner_value = bound(0, autocvar_crosshair_ring_vortex_currentcharge_scale * (charge - vortex_charge_movingavg), 1);
                    }
 
                    ring_inner_alpha = autocvar_crosshair_ring_vortex_inner_alpha;
                    ring_inner_rgb = vec3(autocvar_crosshair_ring_vortex_inner_color_red, autocvar_crosshair_ring_vortex_inner_color_green, autocvar_crosshair_ring_vortex_inner_color_blue);
                    ring_inner_image = "gfx/crosshair_ring_inner";
 
                    // draw the outer ring to show the current charge of the weapon
                    ring_value = charge;
                    ring_alpha = autocvar_crosshair_ring_vortex_alpha;
                    ring_rgb = wcross_color;
                    ring_image = "gfx/crosshair_ring_nexgun";
                }
                else if (autocvar_crosshair_ring && wepent.activeweapon == WEP_MINE_LAYER && WEP_CVAR(WEP_MINE_LAYER, limit) && autocvar_crosshair_ring_minelayer)
                {
                    ring_value = bound(0, wepent.minelayer_mines / WEP_CVAR(WEP_MINE_LAYER, limit), 1);
                    ring_alpha = autocvar_crosshair_ring_minelayer_alpha;
                    ring_rgb = wcross_color;
                    ring_image = "gfx/crosshair_ring";
                }
                else if (wepent.activeweapon == WEP_HAGAR && wepent.hagar_load && autocvar_crosshair_ring_hagar)
                {
                    ring_value = bound(0, wepent.hagar_load / WEP_CVAR_SEC(WEP_HAGAR, load_max), 1);
                    ring_alpha = autocvar_crosshair_ring_hagar_alpha;
                    ring_rgb = wcross_color;
                    ring_image = "gfx/crosshair_ring";
                }
                else if (autocvar_crosshair_ring_reload && weapon_clipsize) // forces there to be only an ammo ring
                {
                    ring_value = bound(0, weapon_clipload / weapon_clipsize, 1);
                    ring_scale = autocvar_crosshair_ring_reload_size;
                    ring_alpha = autocvar_crosshair_ring_reload_alpha;
                    ring_rgb = wcross_color;
 
                    // Note: This is to stop Taoki from complaining that the image doesn't match all potential balances.
                    // if a new image for another weapon is added, add the code (and its respective file/value) here
                    if (wepent.activeweapon == WEP_RIFLE && weapon_clipsize == 80)
                        ring_image = "gfx/crosshair_ring_rifle";
                    else
                        ring_image = "gfx/crosshair_ring";
                }
                else if (autocvar_crosshair_ring && autocvar_crosshair_ring_arc && arc_heat && wepent.activeweapon == WEP_ARC)
                {
                    ring_value = arc_heat;
                    ring_alpha = (1 - arc_heat) * autocvar_crosshair_ring_arc_cold_alpha +
                        arc_heat * autocvar_crosshair_ring_arc_hot_alpha;
                    ring_rgb = (1 - arc_heat) * wcross_color + arc_heat * autocvar_crosshair_ring_arc_hot_color;
                    ring_image = "gfx/crosshair_ring";
                }
 
                // if in weapon switch animation, fade ring out/in
                if (autocvar_crosshair_effect_time > 0)
                {
                    f = (time - wcross_name_changestarttime) / autocvar_crosshair_effect_time;
                    if (f >= 1)
                        wcross_ring_prev = (ring_image ? true : false);
 
                    if (wcross_ring_prev)
                    {
                        if (f < 1)
                            ring_alpha *= fabs(1 - bound(0, f, 1));
                    }
                    else
                    {
                        if (f < 1)
                            ring_alpha *= bound(0, f, 1);
                    }
                }
 
                if (autocvar_crosshair_ring_inner && ring_inner_value) // lets draw a ring inside a ring so you can ring while you ring
                    DrawCircleClippedPic(wcross_origin, wcross_size.x * wcross_resolution * ring_scale, ring_inner_image, ring_inner_value, ring_inner_rgb, wcross_alpha * ring_inner_alpha, DRAWFLAG_ADDITIVE);
 
                if (ring_value)
                    DrawCircleClippedPic(wcross_origin, wcross_size.x * wcross_resolution * ring_scale, ring_image, ring_value, ring_rgb, wcross_alpha * ring_alpha, DRAWFLAG_ADDITIVE);
            }
 
            #define CROSSHAIR_DO_BLUR(M, sz, wcross_name, wcross_alpha) MACRO_BEGIN \
                vector scaled_sz = sz * wcross_size; \
                if (wcross_blur > 0) \
                    for (int j, i = -2; i <= 2; ++i) \
                        for (j = -2; j <= 2; ++j) \
                            M(i, j, sz, scaled_sz, wcross_name, wcross_alpha * 0.04); \
                else \
                    M(0, 0, sz, scaled_sz, wcross_name, wcross_alpha); \
            MACRO_END
 
            #define CROSSHAIR_DRAW_SINGLE(i, j, sz, scaled_sz, wcross_name, wcross_alpha) \
                drawpic(wcross_origin - ('0.5 0 0' * (scaled_sz.x + i * wcross_blur) + '0 0.5 0' * (scaled_sz.y + j * wcross_blur)), wcross_name, scaled_sz, wcross_color, wcross_alpha, DRAWFLAG_NORMAL)
 
            #define CROSSHAIR_DRAW(sz,wcross_name,wcross_alpha) \
                CROSSHAIR_DO_BLUR(CROSSHAIR_DRAW_SINGLE, sz, wcross_name, wcross_alpha)
 
            if (autocvar_crosshair_effect_time > 0 && time < wcross_name_changedonetime
                && wcross_name != wcross_name_goal_prev_prev && wcross_name_goal_prev_prev)
            {
                f = (wcross_name_changedonetime - time) / (wcross_name_changedonetime - wcross_name_changestarttime);
                wcross_size = draw_getimagesize(wcross_name_goal_prev_prev) * wcross_scale;
                CROSSHAIR_DRAW(wcross_resolution_goal_prev_prev, wcross_name_goal_prev_prev, wcross_alpha * f * wcross_name_alpha_goal_prev_prev);
                f = 1 - f;
            }
            else
                f = 1;
 
            wcross_name_alpha_goal_prev = f;
 
            wcross_size = draw_getimagesize(wcross_name) * wcross_scale;
            CROSSHAIR_DRAW(wcross_resolution, wcross_name, wcross_alpha * f);
 
            if (autocvar_crosshair_dot)
            {
                vector wcross_color_old;
                wcross_color_old = wcross_color;
 
                if (autocvar_crosshair_dot_color_custom && autocvar_crosshair_dot_color != "0")
                    wcross_color = stov(autocvar_crosshair_dot_color);
 
                CROSSHAIR_DRAW(wcross_resolution * autocvar_crosshair_dot_size, "gfx/crosshairdot", f * autocvar_crosshair_dot_alpha);
                // FIXME why don't we use wcross_alpha here?
                wcross_color = wcross_color_old;
            }
        }
    }
    else
    {
        wcross_scale_prev = 0;
        wcross_alpha_prev = 0;
        wcross_scale_goal_prev = 0;
        wcross_alpha_goal_prev = 0;
        wcross_changedonetime = 0;
        strfree(wcross_name_goal_prev);
        strfree(wcross_name_goal_prev_prev);
        wcross_name_changestarttime = 0;
        wcross_name_changedonetime = 0;
        wcross_name_alpha_goal_prev = 0;
        wcross_name_alpha_goal_prev_prev = 0;
        wcross_resolution_goal_prev = 0;
        wcross_resolution_goal_prev_prev = 0;
    }
}
 
void DrawReticle(entity this)
{
    if (!autocvar_cl_reticle || MUTATOR_CALLHOOK(DrawReticle))
        return;
 
    string reticle_image = string_null;
    bool wep_zoomed = false;
    for (int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
    {
        entity wepe = viewmodels[slot];
        Weapon wep = wepe.activeweapon;
        if (wep != WEP_Null && wep.wr_zoom)
        {
            bool do_zoom = wep.wr_zoom(wep, NULL);
            if (!reticle_image && wep.w_reticle && wep.w_reticle != "")
                reticle_image = wep.w_reticle;
            wep_zoomed += do_zoom;
        }
    }
    // Draw the aiming reticle for weapons that use it
    // reticle_type is changed to the item we are zooming / aiming with, to decide which reticle to use
    // It must be a persisted float for fading out to work properly (you let go of the zoom button for
    // the view to go back to normal, so reticle_type would become 0 as we fade out)
    int reticle_type;
    if (spectatee_status || (STAT(HEALTH) <= 0) || hud != HUD_NORMAL || this.viewloc || (autocvar_chase_active != 0 && !autocvar_cl_reticle_chase))
        reticle_type = 0; // no zoom reticle while dead
    else if (wep_zoomed && autocvar_cl_reticle_weapon)
    {
        if (reticle_image)
            reticle_type = 2;
        else
            reticle_type = 0;
    }
    else if (button_zoom || zoomscript_caught)
        reticle_type = 1; // normal zoom
    else
        reticle_type = 0;
 
    if (reticle_type)
    {
        vector reticle_pos = '0 0 0', reticle_size = '0 0 0';
        if (autocvar_cl_reticle_stretch)
        {
            reticle_size.x = vid_conwidth;
            reticle_size.y = vid_conheight;
            reticle_pos.x = 0;
            reticle_pos.y = 0;
        }
        else
        {
            reticle_size.x = max(vid_conwidth, vid_conheight);
            reticle_size.y = max(vid_conwidth, vid_conheight);
            reticle_pos.x = (vid_conwidth - reticle_size.x) / 2;
            reticle_pos.y = (vid_conheight - reticle_size.y) / 2;
        }
 
        float f = (zoomscript_caught ? 1 : max(0.25, current_zoomfraction));
        if (f)
            switch (reticle_type)
            {
                case 1:
                    drawpic(reticle_pos, "gfx/reticle_normal", reticle_size, '1 1 1', f * autocvar_cl_reticle_normal_alpha, DRAWFLAG_NORMAL);
                    break;
                case 2:
                    if (reticle_image)
                        drawpic(reticle_pos, reticle_image, reticle_size, '1 1 1', f * autocvar_cl_reticle_weapon_alpha, DRAWFLAG_NORMAL);
                    break;
            }
    }
}