items.qc

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#include "items.qh"
 
#include <common/checkextension.qh>
#include <common/constants.qh>
#include <common/deathtypes/all.qh>
#include <common/gametypes/gametype/cts/cts.qh>
#include <common/items/_mod.qh>
#include <common/mapobjects/subs.qh>
#include <common/mapobjects/triggers.qh>
#include <common/monsters/_mod.qh>
#include <common/mutators/mutator/powerups/_mod.qh>
#include <common/mutators/mutator/status_effects/_mod.qh>
#include <common/net_linked.qh>
#include <common/notifications/all.qh>
#include <common/resources/resources.qh>
#include <common/util.qh>
#include <common/weapons/_all.qh>
#include <common/wepent.qh>
#include <lib/warpzone/common.qh>
#include <lib/warpzone/util_server.qh>
#include <server/bot/api.qh>
#include <server/command/vote.qh>
#include <server/damage.qh>
#include <server/mutators/_mod.qh>
#include <server/teamplay.qh>
#include <server/weapons/common.qh>
#include <server/weapons/selection.qh>
#include <server/weapons/spawning.qh>
#include <server/weapons/weaponsystem.qh>
#include <server/world.qh>
 
bool ItemSend(entity this, entity to, int sf)
{
    if(this.gravity)
        sf |= ISF_DROP;
    else
        sf &= ~ISF_DROP;
 
    // if this item is being spawned (in CSQC's perspective)
    // reuse ISF_SIZE and ISF_SIZE2 to also tell CSQC its bbox size
    if(sf & ISF_SIZE)
    {
        if(this.maxs == ITEM_S_MAXS) // Small
        {
            sf |= ISF_SIZE;
            sf &= ~ISF_SIZE2;
        }
        else if(this.maxs == ITEM_L_MAXS) // Large
        {
            sf &= ~ISF_SIZE;
            sf |= ISF_SIZE2;
        }
        else // Default
            sf |= ISF_SIZE | ISF_SIZE2;
    }
 
    WriteHeader(MSG_ENTITY, ENT_CLIENT_ITEM);
    WriteByte(MSG_ENTITY, sf);
 
    //WriteByte(MSG_ENTITY, this.cnt);
    if(sf & ISF_LOCATION)
    {
        WriteVector(MSG_ENTITY, this.origin);
    }
 
    if(sf & ISF_ANGLES)
    {
        WriteAngleVector(MSG_ENTITY, this.angles);
    }
 
    if(sf & ISF_STATUS)
        WriteByte(MSG_ENTITY, this.ItemStatus);
 
    if(sf & (ISF_SIZE | ISF_SIZE2)) // always true when it's spawned (in CSQC's perspective)
    {
        WriteShort(MSG_ENTITY, bound(0, this.fade_end, 32767));
 
        if(this.mdl == "")
            LOG_TRACE("^1WARNING!^7 this.mdl is unset for item ", this.classname, "expect a crash just about now");
 
        WriteString(MSG_ENTITY, this.mdl);
        WriteByte(MSG_ENTITY, bound(0, this.skin, 255));
    }
 
    if(sf & ISF_COLORMAP)
    {
        WriteShort(MSG_ENTITY, this.colormap);
        WriteByte(MSG_ENTITY, this.glowmod.x * 255.0);
        WriteByte(MSG_ENTITY, this.glowmod.y * 255.0);
        WriteByte(MSG_ENTITY, this.glowmod.z * 255.0);
    }
 
    if(sf & ISF_DROP)
    {
        WriteVector(MSG_ENTITY, this.velocity);
    }
 
    return true;
}
 
void ItemUpdate(entity this)
{
    this.oldorigin = this.origin;
    this.SendFlags |= ISF_LOCATION;
}
 
void UpdateItemAfterTeleport(entity this)
{
    if(getSendEntity(this) == ItemSend)
        ItemUpdate(this);
}
 
bool have_pickup_item(entity this)
{
    if (this.itemdef.spawnflags & ITEM_FLAG_MUTATORBLOCKED)
        return false;
 
    if(!this.itemdef.instanceOfPowerup)
    {
        if(autocvar_g_pickup_items > 0)
            return true;
        if(autocvar_g_pickup_items == 0)
            return false;
        if(g_weaponarena_type != WEPARENA_OFF)
            if(STAT(WEAPONS, this) || this.itemdef.instanceOfAmmo) // no item or ammo pickups in weaponarena
                return false;
    }
    return true;
}
 
void Item_Show(entity e, int mode)
{
    e.effects &= ~(EF_ADDITIVE | EF_STARDUST | EF_FULLBRIGHT | EF_NODEPTHTEST);
    e.ItemStatus &= ~ITS_STAYWEP;
    entity def = e.itemdef;
    if (mode > 0)
    {
        // make the item look normal, and be touchable
        e.model = e.mdl;
        e.solid = SOLID_TRIGGER;
        e.spawnshieldtime = 1;
        e.ItemStatus |= ITS_AVAILABLE;
    }
    else if (mode < 0)
    {
        // hide the item completely
        e.model = string_null;
        e.solid = SOLID_NOT;
        e.spawnshieldtime = 1;
        e.ItemStatus &= ~ITS_AVAILABLE;
    }
    else
    {
        bool nostay = def.instanceOfWeaponPickup ? !!(def.m_weapon.m_wepset & WEPSET_SUPERWEAPONS) : false // no weapon-stay on superweapons
            || e.team // weapon stay isn't supported for teamed weapons
            ;
        if(def.instanceOfWeaponPickup && !nostay && g_weapon_stay)
        {
            // make the item translucent and not touchable
            e.model = e.mdl;
            e.solid = SOLID_TRIGGER; // can STILL be picked up!
            e.effects |= EF_STARDUST;
            e.spawnshieldtime = 0; // field indicates whether picking it up may give you anything other than the weapon
            e.ItemStatus |= (ITS_AVAILABLE | ITS_STAYWEP);
        }
        else
        {
            e.solid = SOLID_NOT;
            e.spawnshieldtime = 1;
            e.ItemStatus &= ~ITS_AVAILABLE;
        }
    }
 
    if (def.m_glow)
        e.ItemStatus |= ITS_GLOW;
 
    if (autocvar_g_nodepthtestitems)
        e.effects |= EF_NODEPTHTEST;
 
    if (autocvar_g_fullbrightitems)
        e.ItemStatus |= ITS_ALLOWFB;
    else
        e.ItemStatus &= ~ITS_ALLOWFB;
 
    if (autocvar_sv_simple_items)
        e.ItemStatus |= ITS_ALLOWSI;
 
    // relink entity (because solid may have changed)
    setorigin(e, e.origin);
    e.SendFlags |= ISF_STATUS;
}
 
void Item_Think(entity this)
{
    if (ITEM_IS_LOOT(this))
    {
        if (time < this.wait - IT_DESPAWNFX_TIME)
            this.nextthink = min(time + IT_UPDATE_INTERVAL, this.wait - IT_DESPAWNFX_TIME); // ensuring full time for effects
        else
        {
            // despawning soon, start effects
            this.ItemStatus |= ITS_EXPIRING;
            this.SendFlags |= ISF_STATUS;
            if (time < this.wait - IT_UPDATE_INTERVAL)
                this.nextthink = time + IT_UPDATE_INTERVAL;
            else
            {
                setthink(this, RemoveItem);
                this.nextthink = this.wait;
            }
        }
 
        if (this.itemdef.instanceOfPowerup)
            powerups_DropItem_Think(this);
 
        // caution: kludge FIXME (with sv_legacy_bbox_expand)
        // this works around prediction errors caused by bbox discrepancy between SVQC and CSQC
        if (this.velocity == '0 0 0' && IS_ONGROUND(this))
            this.gravity = 0; // don't send ISF_DROP anymore
 
        // send slow updates even if the item didn't move
        // recovers prediction desyncs where server thinks item stopped, client thinks it didn't
        ItemUpdate(this);
    }
    else
    {
        // bones_was_here: TODO: predict movers, enable client prediction of items with a groundentity,
        // and then send those less often too (and not all on the same frame)
        this.nextthink = time;
 
        if(this.origin != this.oldorigin)
            ItemUpdate(this);
    }
}
 
bool Item_ItemsTime_SpectatorOnly(GameItem it);
bool Item_ItemsTime_Allow(GameItem it);
float Item_ItemsTime_UpdateTime(entity e, float t);
void Item_ItemsTime_SetTime(entity e, float t);
void Item_ItemsTime_SetTimesForAllPlayers();
 
void Item_Respawn(entity this)
{
    Item_Show(this, 1);
    sound(this, CH_TRIGGER, this.itemdef.m_respawnsound, VOL_BASE, ATTEN_NORM); // play respawn sound
 
    if (Item_ItemsTime_Allow(this.itemdef) || (STAT(WEAPONS, this) & WEPSET_SUPERWEAPONS))
    {
        float t = Item_ItemsTime_UpdateTime(this, 0);
        Item_ItemsTime_SetTime(this, t);
        Item_ItemsTime_SetTimesForAllPlayers();
    }
 
    setthink(this, Item_Think);
    this.nextthink = time;
}
 
void Item_RespawnCountdown(entity this)
{
    if(this.item_respawncounter >= ITEM_RESPAWN_TICKS)
    {
        if(this.waypointsprite_attached)
            WaypointSprite_Kill(this.waypointsprite_attached);
        Item_Respawn(this);
    }
    else
    {
        this.nextthink = time + 1;
        ++this.item_respawncounter;
        if(this.item_respawncounter == 1)
        {
            do {
                {
                    entity wi = REGISTRY_GET(Weapons, this.weapon);
                    if (wi != WEP_Null) {
                        entity wp = WaypointSprite_Spawn(WP_Weapon, 0, 0, this, '0 0 64', NULL, 0, this, waypointsprite_attached, true, RADARICON_Weapon);
                        wp.wp_extra = wi.m_id;
                        break;
                    }
                }
                {
                    entity ii = this.itemdef;
                    if (ii != NULL) {
                        entity wp = WaypointSprite_Spawn(WP_Item, 0, 0, this, '0 0 64', NULL, 0, this, waypointsprite_attached, true, RADARICON_Item);
                        wp.wp_extra = ii.m_id;
                        break;
                    }
                }
            } while (0);
            bool mutator_returnvalue = MUTATOR_CALLHOOK(Item_RespawnCountdown, this);
            if(this.waypointsprite_attached)
            {
                GameItem def = this.itemdef;
                if (Item_ItemsTime_SpectatorOnly(def) && !mutator_returnvalue)
                    WaypointSprite_UpdateRule(this.waypointsprite_attached, 0, SPRITERULE_SPECTATOR);
                WaypointSprite_UpdateBuildFinished(this.waypointsprite_attached, time + ITEM_RESPAWN_TICKS);
            }
        }
 
        if(this.waypointsprite_attached)
        {
            FOREACH_CLIENT(IS_REAL_CLIENT(it), {
                if(this.waypointsprite_attached.waypointsprite_visible_for_player(this.waypointsprite_attached, it, it))
                {
                    msg_entity = it;
                    soundto(MSG_ONE, this, CH_TRIGGER, SND(ITEMRESPAWNCOUNTDOWN), VOL_BASE, ATTEN_NORM, 0); // play respawn sound
                }
            });
 
            WaypointSprite_Ping(this.waypointsprite_attached);
            //WaypointSprite_UpdateHealth(this.waypointsprite_attached, this.item_respawncounter);
        }
    }
}
 
void Item_RespawnThink(entity this)
{
    this.nextthink = time;
    if(this.origin != this.oldorigin)
        ItemUpdate(this);
 
    if(time >= this.wait)
        Item_Respawn(this);
}
 
void Item_ScheduleRespawnIn(entity e, float t)
{
    // if the respawn time is longer than 10 seconds, show a waypoint, otherwise, just respawn normally
    bool set_itemstime = Item_ItemsTime_Allow(e.itemdef) || (STAT(WEAPONS, e) & WEPSET_SUPERWEAPONS);
    if ((set_itemstime || MUTATOR_CALLHOOK(Item_ScheduleRespawn, e, t)) && (t - ITEM_RESPAWN_TICKS) > 0)
    {
        setthink(e, Item_RespawnCountdown);
        e.nextthink = time + max(0, t - ITEM_RESPAWN_TICKS);
        e.scheduledrespawntime = e.nextthink + ITEM_RESPAWN_TICKS;
        e.item_respawncounter = 0;
    }
    else
    {
        setthink(e, Item_RespawnThink);
        e.nextthink = time;
        e.scheduledrespawntime = time + t;
        e.wait = time + t;
    }
 
    if (set_itemstime)
    {
        t = Item_ItemsTime_UpdateTime(e, e.scheduledrespawntime);
        Item_ItemsTime_SetTime(e, t);
        Item_ItemsTime_SetTimesForAllPlayers();
    }
}
 
AUTOCVAR(g_pickup_respawntime_scaling_reciprocal, float, 0.0, "multiply respawn time by `reciprocal / (p + offset) + linear` where `p` is the current number of players, takes effect with 2 or more players present, `reciprocal` (with `offset` and `linear` set to \\\"0\\\") can be used to achieve a constant number of items spawned *per player*");
AUTOCVAR(g_pickup_respawntime_scaling_offset, float, 0.0, "multiply respawn time by `reciprocal / (p + offset) + linear` where `p` is the current number of players, takes effect with 2 or more players present, `offset` offsets the curve left or right (NOTE: results are not intuitive and it is recommend to plot the respawn time and the number of items per player to see what's happening)");
AUTOCVAR(g_pickup_respawntime_scaling_linear, float, 1.0, "multiply respawn time by `reciprocal / (p + offset) + linear` where `p` is the current number of players, takes effect with 2 or more players present, `linear` can be used to simply scale the respawn time linearly");

float adjust_respawntime(float normal_respawntime) {
    float r = autocvar_g_pickup_respawntime_scaling_reciprocal;
    float o = autocvar_g_pickup_respawntime_scaling_offset;
    float l = autocvar_g_pickup_respawntime_scaling_linear;
 
    if (r == 0 && l == 1) {
        return normal_respawntime;
    }
 
    entity balance = TeamBalance_CheckAllowedTeams(NULL);
    TeamBalance_GetTeamCounts(balance, NULL);
    int players = 0;
    for (int i = 1; i <= AVAILABLE_TEAMS; ++i)
    {
        if (TeamBalance_IsTeamAllowed(balance, i))
        {
            players += TeamBalance_GetNumberOfPlayers(balance, i);
        }
    }
    TeamBalance_Destroy(balance);
 
    if (players >= 2) {
        return normal_respawntime * (r / (players + o) + l);
    } else {
        return normal_respawntime;
    }
}
 
void Item_ScheduleRespawn(entity e)
{
    if(e.respawntime > 0)
    {
        Item_Show(e, 0);
 
        float adjusted_respawntime = adjust_respawntime(e.respawntime);
        //LOG_INFOF("item %s will respawn in %f", e.classname, adjusted_respawntime);
 
        // range: adjusted_respawntime - respawntimejitter .. adjusted_respawntime + respawntimejitter
        float respawn_in = adjusted_respawntime + crandom() * e.respawntimejitter;
        Item_ScheduleRespawnIn(e, respawn_in);
    }
    else // if respawntime is -1, this item does not respawn
        Item_Show(e, -1);
}
 
AUTOCVAR(g_pickup_respawntime_initial_random, int, 1,
    "for items that don't start spawned; \\\"0\\\" = spawn after their normal respawntime, \\\"1\\\" = spawn after `random * respawntime` with the *same* random, \\\"2\\\" = same as 1 but each item has separate random");
 
void Item_ScheduleInitialRespawn(entity e)
{
    Item_Show(e, 0);
 
    float spawn_in;
    if (autocvar_g_pickup_respawntime_initial_random == 0)
    {
        // range: respawntime .. respawntime + respawntimejitter
        spawn_in = e.respawntime + random() * e.respawntimejitter;
    }
    else
    {
        float rnd;
        if (autocvar_g_pickup_respawntime_initial_random == 1)
        {
            static float shared_random = 0;
            // NOTE this code works only if items are scheduled at the same time (normal case)
            // NOTE2 random() can't return exactly 1 so this check always work as intended
            if (!shared_random || floor(time) > shared_random)
                shared_random = floor(time) + random();
            rnd = shared_random - floor(time);
        }
        else
            rnd = random();
 
        // range:
        // if respawntime >= ITEM_RESPAWN_TICKS: ITEM_RESPAWN_TICKS .. respawntime + respawntimejitter
        // else: 0 .. ITEM_RESPAWN_TICKS
        // this is to prevent powerups spawning unexpectedly without waypoints
        spawn_in = ITEM_RESPAWN_TICKS + rnd * (e.respawntime + e.respawntimejitter - ITEM_RESPAWN_TICKS);
    }
 
    Item_ScheduleRespawnIn(e, max(0, game_starttime - time) + ((e.respawntimestart) ? e.respawntimestart : spawn_in));
}
 
void GiveRandomWeapons(entity receiver, int num_weapons, string weapon_names,
    entity ammo_entity)
{
    if (num_weapons == 0)
    {
        return;
    }
    int num_potential_weapons = tokenize_console(weapon_names);
    for (int give_attempt = 0; give_attempt < num_weapons; ++give_attempt)
    {
        RandomSelection_Init();
        for (int weapon_index = 0; weapon_index < num_potential_weapons;
            ++weapon_index)
        {
            string weapon = argv(weapon_index);
            FOREACH(Weapons, it != WEP_Null,
            {
                // Finding a weapon which player doesn't have.
                if (!(STAT(WEAPONS, receiver) & it.m_wepset) && (it.netname == weapon))
                {
                    RandomSelection_AddEnt(it, 1, 1);
                    break;
                }
            });
        }
        if (RandomSelection_chosen_ent == NULL)
        {
            return;
        }
        STAT(WEAPONS, receiver) |= RandomSelection_chosen_ent.m_wepset;
        if (RandomSelection_chosen_ent.ammo_type == RES_NONE)
        {
            continue;
        }
        if (GetResource(receiver,
            RandomSelection_chosen_ent.ammo_type) != 0)
        {
            continue;
        }
        GiveResource(receiver, RandomSelection_chosen_ent.ammo_type,
            GetResource(ammo_entity,
            RandomSelection_chosen_ent.ammo_type));
    }
}
 
bool Item_GiveAmmoTo(entity item, entity player, Resource res_type, float ammomax)
{
    float amount = GetResource(item, res_type);
    if (amount == 0)
    {
        return false;
    }
    float player_amount = GetResource(player, res_type);
    if (item.spawnshieldtime)
    {
        if ((player_amount >= ammomax) && (item.pickup_anyway <= 0))
            return false;
    }
    else if (g_weapon_stay == 2)
    {
        ammomax = min(amount, ammomax);
        if(player_amount >= ammomax)
            return false;
    }
    else
        return false;
    if (amount < 0)
        TakeResourceWithLimit(player, res_type, -amount, ammomax);
    else
        GiveResourceWithLimit(player, res_type, amount, ammomax);
    return true;
}
 
void Item_NotifyWeapon(entity player, entity wep)
{
    FOREACH_CLIENT(IS_REAL_CLIENT(it) && (it == player || (IS_SPEC(it) && it.enemy == player)), {
        msg_entity = it;
        WriteHeader(MSG_ONE, TE_CSQC_WEAPONPICKUP);
        WriteRegistered(Weapons, MSG_ONE, wep);
    });
}
 
bool Item_GiveTo(entity item, entity player)
{
    // if nothing happens to player, just return without taking the item
    int _switchweapon = 0;
    // in case the player has cl_autoswitch enabled do the following:
    // if the player is using their best weapon before items are given, they
    // probably want to switch to an even better weapon after items are given
 
    bool use_cts_autoswitch = (g_cts && item.itemdef.instanceOfWeaponPickup && (CS_CVAR(player).cvar_cl_autoswitch_cts != -1));
    if (CS_CVAR(player).cvar_cl_autoswitch && !use_cts_autoswitch)
    {
        for (int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
        {
            .entity weaponentity = weaponentities[slot];
            if (player.(weaponentity).m_weapon != WEP_Null || slot == 0)
            {
                if (player.(weaponentity).m_switchweapon == w_getbestweapon(player, weaponentity))
                    _switchweapon |= BIT(slot);
 
                if (!(STAT(WEAPONS, player) & WepSet_FromWeapon(player.(weaponentity).m_switchweapon)))
                    _switchweapon |= BIT(slot);
            }
        }
    }
    bool pickedup = false;
    pickedup |= Item_GiveAmmoTo(item, player, RES_HEALTH, item.max_health);
    pickedup |= Item_GiveAmmoTo(item, player, RES_ARMOR, item.max_armorvalue);
    pickedup |= Item_GiveAmmoTo(item, player, RES_SHELLS, autocvar_g_pickup_shells_max);
    pickedup |= Item_GiveAmmoTo(item, player, RES_BULLETS, autocvar_g_pickup_nails_max);
    pickedup |= Item_GiveAmmoTo(item, player, RES_ROCKETS, autocvar_g_pickup_rockets_max);
    pickedup |= Item_GiveAmmoTo(item, player, RES_CELLS, autocvar_g_pickup_cells_max);
    pickedup |= Item_GiveAmmoTo(item, player, RES_FUEL, autocvar_g_pickup_fuel_max);
    if (item.itemdef.instanceOfWeaponPickup)
    {
        WepSet w, wp;
        w = STAT(WEAPONS, item);
        wp = w & ~STAT(WEAPONS, player);
 
        if (wp || (item.spawnshieldtime && item.pickup_anyway > 0))
        {
            pickedup = true;
            FOREACH(Weapons, it != WEP_Null, {
                if(w & (it.m_wepset))
                    Item_NotifyWeapon(player, it);
 
                if(wp & (it.m_wepset))
                {
                    for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
                    {
                        .entity weaponentity = weaponentities[slot];
                        if(player.(weaponentity).m_weapon != WEP_Null || slot == 0)
                            W_DropEvent(wr_pickup, player, it.m_id, item, weaponentity);
                    }
                    W_GiveWeapon(player, it.m_id);
                }
            });
        }
    }
 
    if (item.itemdef.instanceOfPowerup)
    {
        if ((item.itemdef == ITEM_FuelRegen) && !(player.items & IT_FUEL_REGEN))
            Send_Notification(NOTIF_ONE, player, MSG_CENTER, CENTER_ITEM_FUELREGEN_GOT);
        else if ((item.itemdef == ITEM_Jetpack) && !(player.items & IT_JETPACK))
            Send_Notification(NOTIF_ONE, player, MSG_CENTER, CENTER_ITEM_JETPACK_GOT);
    }
 
    int its = item.items & ~(player.items) & IT_PICKUPMASK;
    if (its)
    {
        pickedup = true;
        player.items |= its;
        // TODO: we probably want to show a message in the console, but not this one!
        //Send_Notification(NOTIF_ONE, player, MSG_INFO, INFO_ITEM_WEAPON_GOT, item.netname);
    }
 
    if (item.strength_finished)
    {
        pickedup = true;
        float t = max(time, StatusEffects_gettime(STATUSEFFECT_Strength, player));
        if (autocvar_g_powerups_stack)
            t += item.strength_finished;
        else
            t = max(t, time + item.strength_finished);
        StatusEffects_apply(STATUSEFFECT_Strength, player, t, 0);
    }
    if (item.invincible_finished)
    {
        pickedup = true;
        float t = max(time, StatusEffects_gettime(STATUSEFFECT_Shield, player));
        if (autocvar_g_powerups_stack)
            t += item.invincible_finished;
        else
            t = max(t, time + item.invincible_finished);
        StatusEffects_apply(STATUSEFFECT_Shield, player, t, 0);
    }
    if (item.speed_finished)
    {
        pickedup = true;
        float t = max(time, StatusEffects_gettime(STATUSEFFECT_Speed, player));
        if (autocvar_g_powerups_stack)
            t += item.speed_finished;
        else
            t = max(t, time + item.speed_finished);
        StatusEffects_apply(STATUSEFFECT_Speed, player, t, 0);
    }
    if (item.invisibility_finished)
    {
        pickedup = true;
        float t = max(time, StatusEffects_gettime(STATUSEFFECT_Invisibility, player));
        if (autocvar_g_powerups_stack)
            t += item.invisibility_finished;
        else
            t = max(t, time + item.invisibility_finished);
        StatusEffects_apply(STATUSEFFECT_Invisibility, player, t, 0);
    }
    if (item.superweapons_finished)
    {
        pickedup = true;
        float t = max(time, StatusEffects_gettime(STATUSEFFECT_Superweapon, player));
        StatusEffects_apply(STATUSEFFECT_Superweapon, player, t + item.superweapons_finished, 0);
    }
 
    // always eat teamed entities
    if(item.team)
        pickedup = true;
 
    if (!pickedup)
        return false;
 
    if(use_cts_autoswitch)
    {
        // CTS handling: never switch (0), always switch (1)
        if(CS_CVAR(player).cvar_cl_autoswitch_cts == 1)
        {
            // crude hack to enforce switching weapons
            for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
            {
                .entity weaponentity = weaponentities[slot];
                Weapon w = REGISTRY_GET(Weapons, item.weapon);
                if(player.(weaponentity).m_weapon != WEP_Null || slot == 0)
                if(client_hasweapon(player, w, weaponentity, true, false)) // ammo check
                    W_SwitchWeapon_Force(player, w, weaponentity);
            }
        }
    }
    else if(_switchweapon)
    {
        // non-CTS handling: weaponpriority-based autoswitch
        for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
        {
            .entity weaponentity = weaponentities[slot];
            if(_switchweapon & BIT(slot))
            {
                Weapon best_wep = w_getbestweapon(player, weaponentity);
                if(player.(weaponentity).m_switchweapon != best_wep)
                    W_SwitchWeapon_Force(player, best_wep, weaponentity);
            }
        }
    }
 
    return true;
}
 
void Item_Touch(entity this, entity toucher)
{
    // remove the item if it's currnetly in a NODROP brush or hits a NOIMPACT surface (such as sky)
    if (ITEM_IS_LOOT(this))
    {
        if (ITEM_TOUCH_NEEDKILL())
        {
            this.SendFlags |= ISF_REMOVEFX;
            RemoveItem(this);
            return;
        }
    }
 
    if(!(toucher.flags & FL_PICKUPITEMS)
    || IS_DEAD(toucher)
    || (this.solid != SOLID_TRIGGER)
    || (this.owner == toucher)
    || (time < this.item_spawnshieldtime)
    ) { return; }
 
    switch (MUTATOR_CALLHOOK(ItemTouch, this, toucher))
    {
        case MUT_ITEMTOUCH_RETURN: { return; }
        case MUT_ITEMTOUCH_PICKUP: { toucher = M_ARGV(1, entity); goto pickup; }
    }
 
    toucher = M_ARGV(1, entity);
 
    if (ITEM_IS_EXPIRING(this))
    {
        this.strength_finished = max(0, this.strength_finished - time);
        this.invincible_finished = max(0, this.invincible_finished - time);
        this.speed_finished = max(0, this.speed_finished - time);
        this.invisibility_finished = max(0, this.invisibility_finished - time);
        this.superweapons_finished = max(0, this.superweapons_finished - time);
    }
    bool gave = ITEM_HANDLE(Pickup, this.itemdef, this, toucher);
    if (!gave)
    {
        if (ITEM_IS_EXPIRING(this))
        {
            // undo what we did above
            this.strength_finished += time;
            this.invincible_finished += time;
            this.speed_finished += time;
            this.invisibility_finished += time;
            this.superweapons_finished += time;
        }
        return;
    }
 
LABEL(pickup)
 
    if(this.target != "" && this.target != "###item###") // q3compat
        SUB_UseTargets(this, toucher, NULL);
 
    GameItem def = this.itemdef;
    int ch = ((def.instanceOfPowerup && def.m_itemid != IT_RESOURCE) ? CH_TRIGGER_SINGLE : CH_TRIGGER);
    _sound(toucher, ch, this.item_pickupsound, VOL_BASE, ATTEN_NORM);
 
    MUTATOR_CALLHOOK(ItemTouched, this, toucher);
    if (wasfreed(this))
    {
        return;
    }
 
    if (ITEM_IS_LOOT(this))
    {
        this.SendFlags |= ISF_REMOVEFX;
        RemoveItem(this);
        return;
    }
    if (!this.spawnshieldtime)
    {
        return;
    }
    entity e;
    if (this.team)
    {
        RandomSelection_Init();
        IL_EACH(g_items, it.team == this.team,
        {
            if (it.itemdef) // is a registered item
            {
                Item_Show(it, -1);
                it.scheduledrespawntime = 0;
                RandomSelection_AddEnt(it, it.cnt, 0);
            }
        });
        e = RandomSelection_chosen_ent;
        Item_Show(e, 1); // reset its state so it is visible (extra sendflags doesn't matter, this happens anyway)
    }
    else
        e = this;
    Item_ScheduleRespawn(e);
}
 
void Item_Reset(entity this)
{
    if (this.targetname != "" && !(this.spawnflags & 16)) // q3compat and/or target_give
    if (this.move_movetype != MOVETYPE_FOLLOW && !this.tag_entity) // misc_follow compat
    {
        Item_Show(this, -1);
        if (this.waypointsprite_attached)
            WaypointSprite_Kill(this.waypointsprite_attached);
        this.nextthink = 0;
        return;
    }
 
    Item_Show(this, !this.state);
 
    if (ITEM_IS_LOOT(this))
    {
        return;
    }
    setthink(this, Item_Think);
    this.nextthink = time;
    this.active = ACTIVE_ACTIVE;
    if (this.waypointsprite_attached)
    {
        WaypointSprite_Kill(this.waypointsprite_attached);
    }
    if (this.itemdef.instanceOfPowerup || (STAT(WEAPONS, this) & WEPSET_SUPERWEAPONS)) // do not spawn powerups initially!
    {
        Item_ScheduleInitialRespawn(this);
    }
}
 
void Item_FindTeam(entity this)
{
    if(!(this.effects & EF_NOGUNBOB)) // marker for item team search
        return;
 
    LOG_TRACE("Initializing item team ", ftos(this.team));
    RandomSelection_Init();
    IL_EACH(g_items, it.team == this.team,
    {
        if(it.itemdef) // is a registered item
            RandomSelection_AddEnt(it, it.cnt, 0);
    });
 
    entity e = RandomSelection_chosen_ent;
    if (!e)
        return;
 
    IL_EACH(g_items, it.team == this.team,
    {
        if(it.itemdef) // is a registered item
        {
            if(it != e)
            {
                Item_Show(it, -1); // make it non-spawned
                if (it.waypointsprite_attached)
                    WaypointSprite_Kill(it.waypointsprite_attached);
                it.nextthink = 0; // disable any scheduled powerup spawn
            }
            else
                Item_Reset(it);
 
            // leave 'this' marked so Item_FindTeam() works when called again via this.reset
            if(it != this)
                it.effects &= ~EF_NOGUNBOB;
        }
    });
}
 
void Item_CopyFields(entity this, entity to)
{
    setorigin(to, this.origin);
    to.spawnflags = this.spawnflags;
    to.noalign = ITEM_SHOULD_KEEP_POSITION(this);
    to.cnt = this.cnt;
    to.team = this.team;
    to.spawnfunc_checked = true;
    // TODO: copy respawn times? this may not be desirable in some cases
    //to.respawntime = this.respawntime;
    //to.respawntimejitter = this.respawntimejitter;
 
    // misc_follow compat
    if (this.move_movetype == MOVETYPE_FOLLOW)
        to.move_movetype = this.move_movetype;
    if (this.tag_entity)
    {
        gettaginfo(this.tag_entity, this.tag_index); // resolve .tag_index back to its name (awkward)
        setattachment(to, this.tag_entity, gettaginfo_name);
    }
}
 
// Savage: used for item garbage-collection
void RemoveItem(entity this)
{
    if(wasfreed(this) || !this) { return; }
    if(this.waypointsprite_attached)
        WaypointSprite_Kill(this.waypointsprite_attached);
 
    if (this.SendFlags & ISF_REMOVEFX)
    {
        // delay removal until ISF_REMOVEFX has been sent
        setthink(this, RemoveItem);
        this.nextthink = time + 2 * autocvar_sys_ticrate; // micro optimisation: next frame will be too soon
        this.solid = SOLID_NOT; // untouchable
    }
    else
        delete(this);
}
 
// pickup evaluation functions
// these functions decide how desirable an item is to the bots
 
float generic_pickupevalfunc(entity player, entity item) {return item.bot_pickupbasevalue;}
 
float weapon_pickupevalfunc(entity player, entity item)
{
    // See if I have it already
    if(STAT(WEAPONS, player) & STAT(WEAPONS, item))
    {
        // If I can pick it up
        if(!item.spawnshieldtime)
            return 0;
        return ammo_pickupevalfunc(player, item);
    }
 
    // reduce weapon value if bot already got a good arsenal
    float c = 1;
    int weapons_value = 0;
    FOREACH(Weapons, it != WEP_Null && (STAT(WEAPONS, player) & it.m_wepset), {
        weapons_value += it.bot_pickupbasevalue;
    });
    c -= bound(0, weapons_value / 20000, 1) * 0.5;
 
    return item.bot_pickupbasevalue * c;
}
 
float ammo_pickupevalfunc(entity player, entity item)
{
    entity item_resource = NULL; // pointer to the resource that may be associated with the given item
    entity wpn = NULL;
    float c = 0;
    float rating = 0;
 
    // detect needed ammo
    if(item.itemdef.instanceOfWeaponPickup)
    {
        entity res = item.itemdef.m_weapon.ammo_type;
        entity ammo = (res != RES_NONE) ? GetAmmoItem(res) : NULL;
        if(!ammo)
            return 0;
        if(res != RES_NONE && GetResource(item, res))
            item_resource = res;
 
        wpn = item;
        rating = ammo.m_botvalue;
    }
    else
    {
        FOREACH(Weapons, it != WEP_Null, {
            if(!(STAT(WEAPONS, player) & (it.m_wepset)))
                continue;
            if(it.ammo_type == RES_NONE)
                continue;
 
            if(GetResource(item, it.ammo_type))
            {
                item_resource = it.ammo_type;
                break;
            }
        });
        rating = item.bot_pickupbasevalue;
    }
 
    float noammorating = 0.5;
 
    if(item_resource && (GetResource(player, item_resource) < GetResourceLimit(player, item_resource)))
        c = GetResource(item, item_resource) / max(noammorating, GetResource(player, item_resource));
 
    rating *= min(c, 2);
    if(wpn)
        rating += wpn.bot_pickupbasevalue * 0.1;
    return rating;
}
 
float healtharmor_pickupevalfunc(entity player, entity item)
{
    float c = 0;
    float rating = item.bot_pickupbasevalue;
 
    float itemarmor = GetResource(item, RES_ARMOR);
    float itemhealth = GetResource(item, RES_HEALTH);
 
    if (item.item_group)
    {
        itemarmor *= min(4, item.item_group_count);
        itemhealth *= min(4, item.item_group_count);
    }
 
    if (itemarmor && (GetResource(player, RES_ARMOR) < item.max_armorvalue))
        c = itemarmor / max(1, GetResource(player, RES_ARMOR) * 2/3 + GetResource(player, RES_HEALTH) * 1/3);
 
    if (itemhealth && (GetResource(player, RES_HEALTH) < item.max_health))
        c = itemhealth / max(1, GetResource(player, RES_HEALTH));
 
    rating *= min(2, c);
    return rating;
}
 
void Item_Damage(entity this, entity inflictor, entity attacker, float damage, int deathtype, .entity weaponentity, vector hitloc, vector force)
{
    if(ITEM_DAMAGE_NEEDKILL(deathtype))
        RemoveItem(this);
}
 
void item_use(entity this, entity actor, entity trigger)
{
    if (this.spawnflags & 16)
        gettouch(this)(this, actor);
    else // q3compat
        Item_Respawn(this);
}
 
void item_setactive(entity this, int act)
{
    int old_status = this.active;
    if(act == ACTIVE_TOGGLE)
        this.active = (this.active == ACTIVE_ACTIVE) ? ACTIVE_NOT : ACTIVE_ACTIVE;
    else
        this.active = act;
 
    if(this.active != old_status)
        Item_Show(this, ((this.active == ACTIVE_ACTIVE) ? 1 : -1));
}
 
void StartItem(entity this)
{
    entity def = this.itemdef;
    if (def.instanceOfWeapon)
    {
        weapon_defaultspawnfunc(this, def);
        if (wasfreed(this))
            return;
        def = this.itemdef;
    }
    else
    {
        if (def.m_spawnfunc_hookreplace)
            def = this.itemdef = def.m_spawnfunc_hookreplace(def, this);
        if (def.m_canonical_spawnfunc != "")
            this.classname = def.m_canonical_spawnfunc;
    }
 
    // some mutators check for resources set by m_iteminit in FilterItem
    if(def.m_iteminit)
        def.m_iteminit(def, this);
 
    // also checked by some mutators in FilterItem
    this.items = def.m_itemid;
    this.weapon = def.instanceOfWeaponPickup ? def.m_weapon.m_id : 0;
    if(this.weapon)
        STAT(WEAPONS, this) = WepSet_FromWeapon(REGISTRY_GET(Weapons, this.weapon));
    this.flags = FL_ITEM | def.m_itemflags;
 
    // FilterItem may change any field of a specific instance of an item, but
    // it must not change any itemdef field (would cause mutators to break other mutators),
    // and must not convert items into different ones (StartItem could be refactored to support that).
    if(MUTATOR_CALLHOOK(FilterItem, this))
    {
        delete(this);
        return;
    }
 
    if (!this.item_model_ent)
        this.item_model_ent = def.m_model;
 
    if (!this.item_pickupsound_ent)
        this.item_pickupsound_ent = def.m_sound;
    if (!this.item_pickupsound && this.item_pickupsound_ent)
        this.item_pickupsound = Sound_fixpath(this.item_pickupsound_ent);
    if (this.item_pickupsound == "")
        LOG_WARNF("No pickup sound set for a %s", this.classname);
 
    if(!this.pickup_anyway && def.m_pickupanyway)
        this.pickup_anyway = def.m_pickupanyway;
 
    // bones_was_here TODO: implement sv_cullentities_dist and replace g_items_maxdist with it
    if(!this.fade_end)
        this.fade_end = autocvar_g_items_maxdist;
 
    // bones_was_here TODO: can we do this after we're sure the entity won't be deleted?
    IL_PUSH(g_items, this);
 
    this.mdl = this.model ? this.model : strzone(this.item_model_ent.model_str());
    setmodel(this, MDL_Null); // precision set below
    // set item size before we spawn a waypoint or droptofloor or MoveOutOfSolid
    setsize (this, this.pos1 = def.m_mins, this.pos2 = def.m_maxs);
 
    if (ITEM_IS_LOOT(this))
    {
        this.reset = RemoveItem;
 
        set_movetype(this, MOVETYPE_TOSS);
        this.gravity = 1;
 
        setthink(this, Item_Think);
        this.nextthink = time + IT_UPDATE_INTERVAL;
        this.wait = time + autocvar_g_items_dropped_lifetime;
 
        this.owner = NULL; // anyone can pick this up, including the player who threw it
        this.item_spawnshieldtime = time + 0.5; // but not straight away
 
        this.takedamage = DAMAGE_YES;
        this.event_damage = Item_Damage;
        // enable this to have thrown items burn in lava
        //this.damagedbycontents = true;
        //IL_PUSH(g_damagedbycontents, this);
 
        if (ITEM_IS_EXPIRING(this))
        {
            // if item is worthless after a timer, have it expire then
            this.nextthink = max(this.strength_finished, this.invincible_finished, this.superweapons_finished);
        }
 
        // most loot items have a bigger horizontal size than a player
        nudgeoutofsolid_OrFallback(this);
 
        // don't drop if in a NODROP zone (such as lava)
        traceline(this.origin, this.origin, MOVE_NORMAL, this);
        if (trace_dpstartcontents & DPCONTENTS_NODROP)
        {
            delete(this);
            return;
        }
    }
    else // it's a level item
    {
        // must be done after def.m_iteminit() as that may set ITEM_FLAG_MUTATORBLOCKED
        if(!have_pickup_item(this))
        {
            delete(this);
            return;
        }
 
        // must be done before Item_Reset() and after MUTATORBLOCKED check (blocked items may be uninitialised)
        if(!this.respawntime)
        {
            if (def.m_respawntime)
                this.respawntime = def.m_respawntime;
            else
                LOG_WARNF("Default respawntime for a %s is unavailable from its itemdef", this.classname);
        }
 
        this.reset = Item_Reset;
 
        if(this.angles != '0 0 0')
            this.SendFlags |= ISF_ANGLES;
 
        if(q3compat)
        {
            if (!this.team)
            {
                string t = GetField_fullspawndata(this, "team", false);
                // bones_was_here: this hack is cheaper than changing to a .string strcmp()
                if(t) this.team = crc16(false, t);
            }
 
            // In Q3 the origin is in the middle of the bbox ("radius" 15), in Xon it's at the bottom
            // so we need to offset vertically (only for items placed by the mapper).
            this.origin.z += -15 - this.mins.z;
            setorigin(this, this.origin);
        }
 
        if(this.spawnflags & 1)
            this.noalign = 1;
        if (this.noalign > 0 && this.move_movetype != MOVETYPE_FOLLOW) // misc_follow compat
            set_movetype(this, MOVETYPE_NONE);
        else
        {
            if (!this.noalign)
            {
                DropToFloor_QC(this);
                if (wasfreed(this))
                    return;
            }
 
            if (this.move_movetype != MOVETYPE_FOLLOW) // misc_follow compat
                set_movetype(this, MOVETYPE_TOSS);
 
            waypoint_spawnforitem(this);
        }
 
        if (this.targetname != "")
            this.use = item_use;
 
        this.setactive = item_setactive;
        this.active = ACTIVE_ACTIVE;
 
        if(autocvar_spawn_debug >= 2)
        {
            for (entity head = WarpZone_FindRadius(this.origin, 3); head; head = head.chain)
                if (head.is_item) // why not flags & fl_item?
                {
                    LOG_TRACE("XXX Found duplicated item: ", def.m_name, vtos(this.origin));
                    LOG_TRACE(" vs ", head.netname, vtos(head.origin));
                    error("Mapper sucks.");
                }
            this.is_item = true;
        }
 
        // DO NOT DELETE AFTER THIS POINT //
        weaponsInMap |= WepSet_FromWeapon(REGISTRY_GET(Weapons, this.weapon));
 
        if (        def.instanceOfPowerup
            ||  def.instanceOfWeaponPickup
            || (def.instanceOfHealth && def != ITEM_HealthSmall)
            || (def.instanceOfArmor && def != ITEM_ArmorSmall)
            || (def.m_itemid & (IT_KEY1 | IT_KEY2))
        )
        {
            if(!this.target || this.target == "")
                this.target = "###item###"; // for finding the nearest item using findnearest
        }
 
        Item_ItemsTime_SetTime(this, 0);
 
        this.glowmod = def.m_color;
    }
 
    this.bot_pickup = true;
    this.bot_pickupevalfunc = def.m_pickupevalfunc;
    this.bot_pickupbasevalue = def.m_botvalue;
    this.netname = def.m_name;
    settouch(this, Item_Touch);
    //this.effects |= EF_LOWPRECISION;
 
    // support skinned models for powerups
    if(!this.skin)
        this.skin = def.m_skin;
 
    if (!(this.spawnflags & 1024)) {
        if(def.instanceOfPowerup)
            this.ItemStatus |= ITS_ANIMATE1;
 
        if(GetResource(this, RES_ARMOR) || GetResource(this, RES_HEALTH))
            this.ItemStatus |= ITS_ANIMATE2;
    }
 
    if(def.instanceOfWeaponPickup)
    {
        if (!ITEM_IS_LOOT(this)) // if dropped, colormap is already set up nicely
            this.colormap = 1024; // color shirt=0 pants=0 grey
        if (!(this.spawnflags & 1024))
            this.ItemStatus |= ITS_ANIMATE1;
        this.SendFlags |= ISF_COLORMAP;
    }
 
    this.state = 0;
    if(this.team)
    {
        if(!this.cnt)
            this.cnt = 1; // item probability weight
 
        this.effects |= EF_NOGUNBOB; // marker for item team search
        InitializeEntity(this, Item_FindTeam, INITPRIO_SETLOCATION);
        this.reset = Item_FindTeam;
    }
    else
        Item_Reset(this);
 
    Net_LinkEntity(this, !(def.instanceOfPowerup || def.instanceOfHealth || def.instanceOfArmor), 0, ItemSend);
 
    // call this hook after everything else has been done
    MUTATOR_CALLHOOK(Item_Spawn, this);
 
    // we should be sure this item will spawn before loading its assets
    // CSQC handles model precaching: it may not use this model (eg simple items) and may not have connected yet
    //precache_model(this.mdl);
    precache_sound(this.item_pickupsound);
 
    setItemGroup(this);
}
 
#define IS_SMALL(def) ((def.instanceOfHealth && def == ITEM_HealthSmall) || (def.instanceOfArmor && def == ITEM_ArmorSmall))
 
bool setItemGroup_cond(entity e)
{
    return (IS_SMALL(e.itemdef) && e != WarpZone_SearchInRadius_otherent);
}
void setItemGroup(entity this)
{
    if (!IS_SMALL(this.itemdef) || ITEM_IS_LOOT(this))
        return;
 
    WarpZone_SearchInRadius_otherent = this;
    for (entity head = WarpZone_SearchInRadius(this.origin, 120, MOVE_NOTHING, setItemGroup_cond); head; head = head.chain)
    {
        if (!this.item_group)
        {
            if (!head.item_group)
                head.item_group = ++item_group_last;
            this.item_group = head.item_group;
        }
        else // spawning item is already part of a item_group X
        {
            if (!head.item_group)
                head.item_group = this.item_group;
            else if (head.item_group != this.item_group) // found an item near the spawning item that is part of a different item_group Y
            {
                int grY = head.item_group;
                // move all items of item_group Y to item_group X
                IL_EACH(g_items, IS_SMALL(it.itemdef) && it.item_group == grY, it.item_group = this.item_group);
            }
        }
    }
}
 
void setItemGroupCount()
{
    for (int k = 1; k <= item_group_last; ++k)
    {
        int count = 0;
        IL_EACH(g_items, it.item_group == k, { ++count; });
        if (count)
            IL_EACH(g_items, it.item_group == k, { it.item_group_count = count; });
    }
}
 
float GiveWeapon(entity e, float wpn, float op, float val)
{
    WepSet v0, v1;
    WepSet s = WepSet_FromWeapon(REGISTRY_GET(Weapons, wpn));
    v0 = (STAT(WEAPONS, e) & s);
    switch(op)
    {
        case OP_SET:
            if(val > 0)
                STAT(WEAPONS, e) |= s;
            else
                STAT(WEAPONS, e) &= ~s;
            break;
        case OP_MIN:
        case OP_PLUS:
            if(val > 0)
                STAT(WEAPONS, e) |= s;
            break;
        case OP_MAX:
            if(val <= 0)
                STAT(WEAPONS, e) &= ~s;
            break;
        case OP_MINUS:
            if(val > 0)
                STAT(WEAPONS, e) &= ~s;
            break;
    }
    v1 = (STAT(WEAPONS, e) & s);
    return (v0 != v1);
}
 
bool GiveBuff(entity e, Buff thebuff, int op, int val)
{
    bool had_buff = StatusEffects_active(thebuff, e);
    float new_buff_time = ((had_buff) ? StatusEffects_gettime(thebuff, e) : time);
    switch (op)
    {
        case OP_SET:
            new_buff_time = time + val;
            break;
        case OP_MIN:
            new_buff_time = max(new_buff_time, time + val);
            break;
        case OP_MAX:
            new_buff_time = min(new_buff_time, time + val);
            break;
        case OP_PLUS:
            new_buff_time += val;
            break;
        case OP_MINUS:
            new_buff_time -= val;
            break;
    }
    if(new_buff_time <= time)
    {
        if(had_buff) // only trigger removal mechanics if there is an effect to remove!
            StatusEffects_remove(thebuff, e, STATUSEFFECT_REMOVE_NORMAL);
    }
    else
    {
        buff_RemoveAll(e, STATUSEFFECT_REMOVE_CLEAR); // clear old buffs on the player first!
        StatusEffects_apply(thebuff, e, new_buff_time, 0);
    }
    bool have_buff = StatusEffects_active(thebuff, e);
    return (had_buff != have_buff);
}
 
void GiveSound(entity e, float v0, float v1, float t, Sound snd_incr, Sound snd_decr)
{
    if(v1 == v0)
        return;
    if(v1 <= v0 - t)
    {
        if(snd_decr != NULL)
            sound(e, CH_TRIGGER, snd_decr, VOL_BASE, ATTEN_NORM);
    }
    else if(v0 >= v0 + t)
    {
        if(snd_incr != NULL)
            sound(e, ((snd_incr == SND_POWERUP) ? CH_TRIGGER_SINGLE : CH_TRIGGER), snd_incr, VOL_BASE, ATTEN_NORM);
    }
}
 
void GiveRot(entity e, float v0, float v1, .float rotfield, float rottime, .float regenfield, float regentime)
{
    if(v0 < v1)
        e.(rotfield) = max(e.(rotfield), time + rottime);
    else if(v0 > v1)
        e.(regenfield) = max(e.(regenfield), time + regentime);
}
bool GiveResourceValue(entity e, Resource res_type, int op, int val)
{
    int v0 = GetResource(e, res_type);
    float new_val = 0;
    switch (op)
    {
        // min 100 cells = at least 100 cells
        case OP_SET: new_val = val; break;
        case OP_MIN: new_val = max(v0, val); break;
        case OP_MAX: new_val = min(v0, val); break;
        case OP_PLUS: new_val = v0 + val; break;
        case OP_MINUS: new_val = v0 - val; break;
        default: return false;
    }
 
    return SetResourceExplicit(e, res_type, new_val);
}
bool GiveStatusEffect(entity e, StatusEffect this, int op, float val)
{
    bool had_eff = StatusEffects_active(this, e);
    float new_eff_time = ((had_eff) ? StatusEffects_gettime(this, e) : time);
    switch (op)
    {
        case OP_SET:
            new_eff_time = time + val;
            break;
        case OP_MIN:
            new_eff_time = max(new_eff_time, time + val);
            break;
        case OP_MAX:
            new_eff_time = min(new_eff_time, time + val);
            break;
        case OP_PLUS:
            new_eff_time += val;
            break;
        case OP_MINUS:
            new_eff_time -= val;
            break;
    }
    if(new_eff_time <= time)
    {
        if(had_eff) // only trigger removal mechanics if there is an effect to remove!
            StatusEffects_remove(this, e, STATUSEFFECT_REMOVE_NORMAL);
    }
    else
        StatusEffects_apply(this, e, new_eff_time, 0);
    bool have_eff = StatusEffects_active(this, e);
    return (had_eff != have_eff);
}
 
float GiveItems(entity e, float beginarg, float endarg)
{
    float got, i, val, op;
    string cmd;
 
    val = 999;
    op = OP_SET;
 
    got = 0;
 
    int _switchweapon = 0;
 
    bool use_cts_autoswitch = (g_cts && (CS_CVAR(e).cvar_cl_autoswitch_cts != -1));
    if(CS_CVAR(e).cvar_cl_autoswitch && !use_cts_autoswitch)
    {
        for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
        {
            .entity weaponentity = weaponentities[slot];
            if(e.(weaponentity).m_weapon != WEP_Null || slot == 0)
            if(e.(weaponentity).m_switchweapon == w_getbestweapon(e, weaponentity))
                _switchweapon |= BIT(slot);
        }
    }
 
    PREGIVE(e, items);
    PREGIVE_WEAPONS(e);
    PREGIVE_STATUSEFFECT(e, STATUSEFFECT_Strength);
    PREGIVE_STATUSEFFECT(e, STATUSEFFECT_Shield);
    PREGIVE_STATUSEFFECT(e, STATUSEFFECT_Speed);
    PREGIVE_STATUSEFFECT(e, STATUSEFFECT_Invisibility);
    //PREGIVE_STATUSEFFECT(e, STATUSEFFECT_Superweapon);
    PREGIVE_RESOURCE(e, RES_BULLETS);
    PREGIVE_RESOURCE(e, RES_CELLS);
    PREGIVE_RESOURCE(e, RES_SHELLS);
    PREGIVE_RESOURCE(e, RES_ROCKETS);
    PREGIVE_RESOURCE(e, RES_FUEL);
    PREGIVE_RESOURCE(e, RES_ARMOR);
    PREGIVE_RESOURCE(e, RES_HEALTH);
 
    Weapon last_wep = WEP_Null;
    for(i = beginarg; i < endarg; ++i)
    {
        cmd = argv(i);
 
        if(cmd == "0" || stof(cmd))
        {
            val = stof(cmd);
            continue;
        }
        switch(cmd)
        {
            case "no":
                op = OP_MAX;
                val = 0;
                continue;
            case "max":
                op = OP_MAX;
                continue;
            case "min":
                op = OP_MIN;
                continue;
            case "plus":
                op = OP_PLUS;
                continue;
            case "minus":
                op = OP_MINUS;
                continue;
            case "ALL":
                got += GiveBit(e, items, ITEM_FuelRegen.m_itemid, op, val);
                FOREACH(StatusEffects, it.instanceOfPowerupStatusEffect, got += GiveStatusEffect(e, it, op, val));
                got += GiveBit(e, items, IT_UNLIMITED_AMMO | IT_UNLIMITED_SUPERWEAPONS, op, val);
            case "all":
                got += GiveBit(e, items, ITEM_Jetpack.m_itemid, op, val);
                got += GiveResourceValue(e, RES_HEALTH, op, val);
                got += GiveResourceValue(e, RES_ARMOR, op, val);
            case "allweapons":
                FOREACH(Weapons, it != WEP_Null && !(it.spawnflags & (WEP_FLAG_MUTATORBLOCKED | WEP_FLAG_HIDDEN)),
                    got += GiveWeapon(e, it.m_id, op, val));
            //case "allbuffs": // all buffs makes a player god, do not want!
                //FOREACH(StatusEffects, it.instanceOfBuff, got += GiveBuff(e, it, op, val));
            case "allammo":
                got += GiveResourceValue(e, RES_CELLS, op, val);
                got += GiveResourceValue(e, RES_SHELLS, op, val);
                got += GiveResourceValue(e, RES_BULLETS, op, val);
                got += GiveResourceValue(e, RES_ROCKETS, op, val);
                got += GiveResourceValue(e, RES_FUEL, op, val);
                break;
            case "unlimited_ammo":
                // this is from a time when unlimited superweapons were handled together with ammo in some parts of the code
                got += GiveBit(e, items, IT_UNLIMITED_AMMO | IT_UNLIMITED_SUPERWEAPONS, op, val);
                break;
            case "unlimited_weapon_ammo":
                got += GiveBit(e, items, IT_UNLIMITED_AMMO, op, val);
                break;
            case "unlimited_superweapons":
                got += GiveBit(e, items, IT_UNLIMITED_SUPERWEAPONS, op, val);
                break;
            case "jetpack":
                got += GiveBit(e, items, ITEM_Jetpack.m_itemid, op, val);
                break;
            case "fuel_regen":
                got += GiveBit(e, items, ITEM_FuelRegen.m_itemid, op, val);
                break;
            case "strength":
                got += GiveStatusEffect(e, STATUSEFFECT_Strength, op, val);
                break;
            case "invincible":
            case "shield":
                got += GiveStatusEffect(e, STATUSEFFECT_Shield, op, val);
                break;
            case "speed":
                got += GiveStatusEffect(e, STATUSEFFECT_Speed, op, val);
                break;
            case "invisibility":
                got += GiveStatusEffect(e, STATUSEFFECT_Invisibility, op, val);
                break;
            case "superweapons":
                got += GiveStatusEffect(e, STATUSEFFECT_Superweapon, op, val);
                break;
            case "cells":
                got += GiveResourceValue(e, RES_CELLS, op, val);
                break;
            case "shells":
                got += GiveResourceValue(e, RES_SHELLS, op, val);
                break;
            case "nails":
            case "bullets":
                got += GiveResourceValue(e, RES_BULLETS, op, val);
                break;
            case "rockets":
                got += GiveResourceValue(e, RES_ROCKETS, op, val);
                break;
            case "health":
                got += GiveResourceValue(e, RES_HEALTH, op, val);
                break;
            case "armor":
                got += GiveResourceValue(e, RES_ARMOR, op, val);
                break;
            case "fuel":
                got += GiveResourceValue(e, RES_FUEL, op, val);
                break;
            default:
                FOREACH(StatusEffects, it.instanceOfBuff && buff_Available(it) && Buff_CompatName(cmd) == it.netname,
                {
                    got += GiveBuff(e, it, op, val);
                    break;
                });
                FOREACH(Weapons, it != WEP_Null && (cmd == it.netname || cmd == it.m_deprecated_netname), {
                    got += GiveWeapon(e, it.m_id, op, val);
                    if(use_cts_autoswitch && CS_CVAR(e).cvar_cl_autoswitch_cts == 1)
                    if(val > 0 && (op == OP_SET || op == OP_PLUS || op == OP_MIN)) // switch to any given weapons, even if we already had it
                        last_wep = it; // (... non-CTS autoswitching can switch to a weapon we already have, so CTS autoswitch should be the same)
                    break;
                });
                break;
        }
        val = 999;
        op = OP_SET;
    }
 
    POSTGIVE_BIT(e, items, ITEM_FuelRegen.m_itemid, SND_ITEMPICKUP, SND_Null);
    POSTGIVE_BIT(e, items, IT_UNLIMITED_SUPERWEAPONS, SND_POWERUP, SND_POWEROFF);
    POSTGIVE_BIT(e, items, IT_UNLIMITED_AMMO, SND_POWERUP, SND_POWEROFF);
    POSTGIVE_BIT(e, items, ITEM_Jetpack.m_itemid, SND_ITEMPICKUP, SND_Null);
    FOREACH(Weapons, it != WEP_Null, {
        POSTGIVE_WEAPON(e, it, SND_WEAPONPICKUP, SND_Null);
        if(!(save_weapons & (it.m_wepset)))
            if(STAT(WEAPONS, e) & (it.m_wepset))
                it.wr_init(it);
    });
    POSTGIVE_STATUSEFFECT(e, STATUSEFFECT_Strength, SND_POWERUP, SND_POWEROFF);
    POSTGIVE_STATUSEFFECT(e, STATUSEFFECT_Shield, SND_POWERUP, SND_POWEROFF);
    POSTGIVE_STATUSEFFECT(e, STATUSEFFECT_Speed, SND_POWERUP, SND_POWEROFF);
    POSTGIVE_STATUSEFFECT(e, STATUSEFFECT_Invisibility, SND_POWERUP, SND_POWEROFF);
    POSTGIVE_RESOURCE(e, RES_BULLETS, 0, SND_ITEMPICKUP, SND_Null);
    POSTGIVE_RESOURCE(e, RES_CELLS, 0, SND_ITEMPICKUP, SND_Null);
    POSTGIVE_RESOURCE(e, RES_SHELLS, 0, SND_ITEMPICKUP, SND_Null);
    POSTGIVE_RESOURCE(e, RES_ROCKETS, 0, SND_ITEMPICKUP, SND_Null);
    POSTGIVE_RES_ROT(e, RES_FUEL, 1, pauserotfuel_finished, autocvar_g_balance_pause_fuel_rot, pauseregen_finished, autocvar_g_balance_pause_fuel_regen, SND_ITEMPICKUP, SND_Null);
    POSTGIVE_RES_ROT(e, RES_ARMOR, 1, pauserotarmor_finished, autocvar_g_balance_pause_armor_rot, pauseregen_finished, autocvar_g_balance_pause_health_regen, SND_ARMOR25, SND_Null);
    POSTGIVE_RES_ROT(e, RES_HEALTH, 1, pauserothealth_finished, autocvar_g_balance_pause_health_rot, pauseregen_finished, autocvar_g_balance_pause_health_regen, SND_MEGAHEALTH, SND_Null);
 
    if(!StatusEffects_active(STATUSEFFECT_Superweapon, e))
    {
        // also give default superweapon time if player had no superweapons and just got one
        if(g_weaponarena_type == WEPARENA_OFF && !(save_weapons & WEPSET_SUPERWEAPONS) && (STAT(WEAPONS, e) & WEPSET_SUPERWEAPONS))
            StatusEffects_apply(STATUSEFFECT_Superweapon, e, time + autocvar_g_balance_superweapons_time, 0);
    }
 
    if(e.statuseffects)
        StatusEffects_update(e);
 
    if(use_cts_autoswitch)
    {
        // CTS handling: never switch (0), always switch (1)
        if(last_wep != WEP_Null)
        if(CS_CVAR(e).cvar_cl_autoswitch_cts == 1)
        {
            // crude hack to enforce switching weapons
            for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
            {
                .entity weaponentity = weaponentities[slot];
                if(e.(weaponentity).m_weapon != WEP_Null || slot == 0)
                if(client_hasweapon(e, last_wep, weaponentity, true, false)) // ammo check
                    W_SwitchWeapon_Force(e, last_wep, weaponentity);
            }
        }
    }
    else
    {
        // non-CTS handling: weaponpriority-based autoswitch
        for(int slot = 0; slot < MAX_WEAPONSLOTS; ++slot)
        {
            .entity weaponentity = weaponentities[slot];
            if(e.(weaponentity).m_weapon != WEP_Null || slot == 0)
            if(!(STAT(WEAPONS, e) & WepSet_FromWeapon(e.(weaponentity).m_switchweapon)))
                _switchweapon |= BIT(slot);
 
            if(_switchweapon & BIT(slot))
            {
                Weapon best_wep = w_getbestweapon(e, weaponentity);
                if(e.(weaponentity).m_switchweapon != best_wep)
                    W_SwitchWeapon_Force(e, best_wep, weaponentity);
            }
        }
    }
 
    return got;
}