roles.qc

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#include "roles.qh"

#include <common/resources/sv_resources.qh>
#include <common/stats.qh>
#include <common/mutators/mutator/powerups/_mod.qh>
#include <common/mutators/mutator/status_effects/_mod.qh>
#include <common/weapons/_all.qh>
#include <server/bot/default/bot.qh>
#include <server/bot/default/cvars.qh>
#include <server/bot/default/havocbot/havocbot.qh>
#include <server/bot/default/navigation.qh>
#include <server/items/items.qh>
#include <server/items/spawning.qh>
#include <server/mutators/_mod.qh>

void havocbot_goalrating_waypoints(entity this, float ratingscale, vector org, float sradius)
{
    // rate waypoints only if there's no alternative goal
    if(navigation_bestgoal)
        return;

    float f;
    float range = 500;
    sradius = max(range, (0.5 + random() * 0.5) * sradius);
    while(sradius > 100)
    {
        IL_EACH(g_waypoints, vdist(it.origin - org, <, sradius)
            && vdist(it.origin - org, >, max(100, sradius - range))
            && !(it.wpflags & WAYPOINTFLAG_TELEPORT),
        {
            if(vdist(it.origin - this.wp_goal_prev0.origin, <, range * 1.5))
                f = 0.1;
            else if(vdist(it.origin - this.wp_goal_prev1.origin, <, range * 1.5))
                f = 0.1;
            else
                f = 0.5 + random() * 0.5;
            navigation_routerating(this, it, ratingscale * f, 2000);
        });
        if(navigation_bestgoal)
            break;
        sradius -= range;
    }
};

bool havocbot_goalrating_item_can_be_left_to_teammate(entity this, entity player, entity item)
{
    if (GetResource(item, RES_HEALTH) && GetResource(player, RES_HEALTH) <= GetResource(this, RES_HEALTH)) {return true;}
    if (GetResource(item, RES_ARMOR) && GetResource(player, RES_ARMOR) <= GetResource(this, RES_ARMOR)) {return true;}
    if (STAT(WEAPONS, item) && !(STAT(WEAPONS, player) & STAT(WEAPONS, item))) {return true;}
    if (GetResource(item, RES_SHELLS) && GetResource(player, RES_SHELLS) <= GetResource(this, RES_SHELLS)) {return true;}
    if (GetResource(item, RES_BULLETS) && GetResource(player, RES_BULLETS) <= GetResource(this, RES_BULLETS)) {return true;}
    if (GetResource(item, RES_ROCKETS) && GetResource(player, RES_ROCKETS) <= GetResource(this, RES_ROCKETS)) {return true;}
    if (GetResource(item, RES_CELLS) && GetResource(player, RES_CELLS) <= GetResource(this, RES_CELLS)) {return true;}
    if (GetResource(item, RES_PLASMA) && GetResource(player, RES_PLASMA) <= GetResource(this, RES_PLASMA)) {return true;}
    if (item.itemdef.instanceOfPowerup) {return true;}

    return false;
};

bool havocbot_goalrating_item_pickable_check_players(entity this, vector org, entity item, vector item_org)
{
    if(!teamplay)
        return true;

    // these variables hold squared distances in order to optimize code
    float friend_dist2 = FLOAT_MAX;
    float enemy_dist2 = FLOAT_MAX;
    float dist2;

    FOREACH_CLIENT(IS_PLAYER(it) && it != this && !(IS_DEAD(it) || STAT(FROZEN, it)),
    {
        if (it.team == this.team)
        {
            if (!IS_REAL_CLIENT(it))
                continue;

            dist2 = vlen2(it.origin - item_org);
            if (dist2 > friend_dist2)
                continue;

            if(havocbot_goalrating_item_can_be_left_to_teammate(this, it, item))
            {
                friend_dist2 = dist2;
                continue;
            }
        }
        else
        {
            // If enemy only track distances
            // TODO: track only if visible ?
            dist2 = vlen2(it.origin - item_org);
            if (dist2 < enemy_dist2)
                enemy_dist2 = dist2;
        }
    });

    // Rate the item only if no one needs it, or if an enemy is closer to it
    dist2 = vlen2(item_org - org);
    if ((enemy_dist2 < friend_dist2 && dist2 < enemy_dist2)
        || (friend_dist2 > autocvar_bot_ai_friends_aware_pickup_radius ** 2)
        || (dist2 < friend_dist2 && dist2 < 200 ** 2))
        return true;
    return false;
};

void havocbot_goalrating_items(entity this, float ratingscale, vector org, float sradius)
{
    ratingscale = ratingscale * 0.0001;

    IL_EACH(g_items, it.bot_pickup,
    {
        // ignore if bot already rated this item with a higher ratingscale
        // NOTE: this code assumes each bot rates items in a different frame
        if(it.bot_ratingscale_time == time && ratingscale < it.bot_ratingscale)
            continue;

        if(!it.solid)
        {
            if(!autocvar_bot_ai_timeitems)
                continue;
            if(!it.scheduledrespawntime)
                continue;
            if(it.respawntime < max(11, autocvar_bot_ai_timeitems_minrespawndelay))
                continue;
            if(it.respawntimejitter && !it.itemdef.instanceOfPowerup)
                continue;

            float t = 0;
            if(it.itemdef.instanceOfPowerup)
                t = bound(0, skill / 10, 1) * 6;
            else if(skill >= 9)
                t = 4;

            if(time < it.scheduledrespawntime - t)
                continue;

            it.bot_pickup_respawning = true;
        }
        vector o = (it.absmin + it.absmax) * 0.5;
        if(vdist(o - org, >, sradius) || (it == this.ignoregoal && time < this.ignoregoaltime) )
            continue;

        // Check if the item can be picked up safely
        if(Item_IsLoot(it))
        {
            if(!IS_ONGROUND(it))
                continue;
            traceline(o, o + '0 0 -1500', true, NULL);

            if(IN_LAVA(trace_endpos + '0 0 1'))
                continue;

            // this tracebox_hits_trigger_hurt call isn't needed:
            // dropped weapons are removed as soon as they fall on a trigger_hurt
            // and can't be rated while they are in the air
            //if(tracebox_hits_trigger_hurt(it.origin, it.mins, it.maxs, trace_endpos))
            //  continue;
        }
        else
        {
            if(IN_LAVA(it.origin + (it.mins + it.maxs) * 0.5))
                continue;
        }

        if(!havocbot_goalrating_item_pickable_check_players(this, org, it, o))
            continue;

        it.bot_ratingscale_time = time;
        it.bot_ratingscale = ratingscale;
        float rating = it.bot_pickupevalfunc(this, it);
        if(rating > 0)
            navigation_routerating(this, it, rating * ratingscale, 2000);
    });
}

void havocbot_goalrating_enemyplayers(entity this, float ratingscale, vector org, float sradius)
{
    if (autocvar_bot_nofire)
        return;

    // don't chase players if we're under water
    if(this.waterlevel > WATERLEVEL_WETFEET)
        return;

    ratingscale = ratingscale * 0.0001;

    FOREACH_CLIENT(IS_PLAYER(it) && bot_shouldattack(this, it), {
        // TODO: Merge this logic with the bot_shouldattack function
        if(vdist(it.origin - org, <, 100) || vdist(it.origin - org, >, sradius))
            continue;
        if(vdist(vec2(it.velocity), >, autocvar_sv_maxspeed * 2))
            continue;

        // rate only visible enemies
        /*
        traceline(this.origin + this.view_ofs, it.origin, MOVE_NOMONSTERS, this);
        if (trace_fraction < 1 || trace_ent != it)
            continue;
        */

        float t = ((GetResource(this, RES_HEALTH) + GetResource(this, RES_ARMOR)) - (GetResource(it, RES_HEALTH) + GetResource(it, RES_ARMOR))) / 150;
        t = bound(0, 1 + t, 3);
        if (skill > 3)
        {
            if (time < StatusEffects_gettime(STATUSEFFECT_Strength, this) - 1) t += 0.5;
            if (time < StatusEffects_gettime(STATUSEFFECT_Strength, it) - 1) t -= 0.5;
            if (time < StatusEffects_gettime(STATUSEFFECT_Shield, this) - 1) t += 0.2;
            if (time < StatusEffects_gettime(STATUSEFFECT_Shield, it) - 1) t -= 0.4;
        }
        t += max(0, 8 - skill) * 0.05; // less skilled bots attack more mindlessly
        ratingscale *= t;
        if (ratingscale > 0)
            navigation_routerating(this, it, ratingscale * BOT_RATING_ENEMY, 2000);
    });
}

// legacy bot role for standard gamemodes
// go to best items
void havocbot_role_generic(entity this)
{
    if(IS_DEAD(this))
        return;

    if (navigation_goalrating_timeout(this))
    {
        navigation_goalrating_start(this);
        havocbot_goalrating_items(this, 10000, this.origin, 10000);
        havocbot_goalrating_enemyplayers(this, 10000, this.origin, 10000);
        havocbot_goalrating_waypoints(this, 1, this.origin, 3000);
        navigation_goalrating_end(this);

        navigation_goalrating_timeout_set(this);
    }
}

void havocbot_chooserole_generic(entity this)
{
    this.havocbot_role = havocbot_role_generic;
}

void havocbot_chooserole(entity this)
{
    LOG_TRACE("choosing a role...");
    navigation_goalrating_timeout_force(this);
    if(!MUTATOR_CALLHOOK(HavocBot_ChooseRole, this))
        havocbot_chooserole_generic(this);
}