jelq

public

an http based roguelike rpg about jelqing

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use std::{
    fmt::Write as _,
    time::{Duration, Instant, SystemTime},
};

use axum::http::{StatusCode, header};
use rand::Rng;
use serde_json::json;

use super::{
    CLINIC_ALLOW, FORUM_THREAD, Floor, Grip, Lube, Outcome, REFRACTORY, Run, SERVER_TIMING,
    SUSPICION_LIMIT, Technique, catalog::LubeRule, catalog::Profile, not_extended, round3,
};
use crate::{game::LUBRICANTS, problem::Problem};

const WEEK: Duration = Duration::from_secs(7 * 24 * 60 * 60);
const PRIAPISM_TURNS: u8 = 5;
const PRIAPISM_EQ: i32 = 75;
const DEGLOVED: &str =
    "The outer layer has been removed in one piece. It will not be returning. The run has ended.";

impl Run {
    pub fn jelq(
        &mut self,
        techniques: &[Technique],
        intensity: i32,
        lube: Option<Lube>,
        now: Instant,
    ) -> Result<Outcome, Problem> {
        self.check_refractory(now)?;
        if self.branch_pending {
            return Ok(self.branch_offer());
        }
        match self.floor {
            Floor::Forum => {
                return Ok(Outcome::json(
                    StatusCode::SEE_OTHER,
                    json!({ "detail": "Refer to the forum." }),
                )
                .header(header::LOCATION, FORUM_THREAD));
            }
            Floor::Clinic => {
                return Err(Problem::new(
                    StatusCode::METHOD_NOT_ALLOWED,
                    "not-in-the-clinic",
                    "JELQ is not performed in the clinic.",
                )
                .header(header::ALLOW, CLINIC_ALLOW));
            }
            _ => {}
        }
        if self.items.cage {
            return Err(Problem::new(
                StatusCode::LOCKED,
                "caged",
                "The cage is locked. The key is not in the box.",
            ));
        }
        match *techniques {
            [technique] => self.single(technique, intensity, lube, now),
            [a, b] => self.combo(a, b, intensity, lube, now),
            _ => Err(Problem::new(
                StatusCode::BAD_REQUEST,
                "too-many-techniques",
                "Two techniques at most. The server has limits even if you do not.",
            )),
        }
    }

    fn single(
        &mut self,
        technique: Technique,
        intensity: i32,
        lube: Option<Lube>,
        now: Instant,
    ) -> Result<Outcome, Problem> {
        match technique {
            Technique::Warmup => return self.warm_up(),
            Technique::Ice => return self.ice(),
            Technique::Supplement => return self.supplement(),
            Technique::Edge => {}
            _ => self.edges = 0,
        }
        self.prepare(technique, lube)?;
        self.check_storage()?;
        self.floor_enemy()?;
        match technique {
            Technique::Edge => return self.edge(now),
            Technique::Pump => return self.pump(now),
            _ => {}
        }
        let profile = technique.profile().expect("training technique");
        self.commit(intensity, lube, now, 1);
        if technique == Technique::Dry && intensity >= 8 && self.rng.random_ratio(1, 60) {
            self.end("degloved", DEGLOVED);
            return Err(Problem::new(StatusCode::GONE, "degloved", DEGLOVED));
        }
        if let Some(interrupted) = self.hazards(intensity)? {
            return Ok(interrupted);
        }
        let result = self.roll(technique, &profile, intensity, lube);
        Ok(self.gossip(result?))
    }

    fn combo(
        &mut self,
        a: Technique,
        b: Technique,
        intensity: i32,
        lube: Option<Lube>,
        now: Instant,
    ) -> Result<Outcome, Problem> {
        let (Some(first), Some(second)) = (a.profile(), b.profile()) else {
            return Err(Problem::new(
                StatusCode::BAD_REQUEST,
                "combo-invalid",
                "Only training techniques can be combined.",
            ));
        };
        if a == b {
            return Err(Problem::new(
                StatusCode::BAD_REQUEST,
                "combo-invalid",
                "A technique cannot be combined with itself. The server has checked.",
            ));
        }
        self.edges = 0;
        self.prepare(a, lube)?;
        self.prepare(b, lube)?;
        self.check_storage()?;
        self.floor_enemy()?;
        self.commit(intensity, lube, now, 2);
        if let Some(interrupted) = self.hazards(intensity)? {
            return Ok(interrupted);
        }

        let mut statuses = Vec::new();
        for (technique, profile) in [(a, first), (b, second)] {
            let result = self.roll(technique, &profile, intensity, lube);
            if self.ended.is_some() {
                return result;
            }
            let status = match &result {
                Ok(outcome) => outcome.status(),
                Err(problem) => problem.status(),
            };
            statuses.push((technique, status));
        }

        let mut xml = String::from(
            "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<D:multistatus xmlns:D=\"DAV:\">\n",
        );
        for (technique, status) in statuses {
            let _ = write!(
                xml,
                "  <D:response>\n    <D:href>/runs/{}?technique={}</D:href>\n    <D:status>HTTP/1.1 {} {}</D:status>\n  </D:response>\n",
                self.id,
                technique.name(),
                status.as_u16(),
                status.canonical_reason().unwrap_or_default(),
            );
        }
        xml.push_str(
            "  <D:responsedescription>Each technique has been reported separately.</D:responsedescription>\n</D:multistatus>\n",
        );
        Ok(Outcome::raw(
            StatusCode::MULTI_STATUS,
            "application/xml; charset=utf-8",
            xml,
        ))
    }

    fn prepare(&self, technique: Technique, lube: Option<Lube>) -> Result<(), Problem> {
        if technique == Technique::Uli && !self.forum_read {
            return Err(Problem::new(
                StatusCode::FORBIDDEN,
                "technique-locked",
                "This technique is discussed on the forum. You have not been to the forum.",
            ));
        }
        if !self.warmed_up {
            return Err(Problem::new(
                StatusCode::PRECONDITION_FAILED,
                "cold-start",
                "Warm-up was skipped. The server has noted this.",
            )
            .with("technique", Technique::Warmup.name()));
        }
        if technique == Technique::Pump && !self.items.pump_pro {
            return Err(Problem::new(
                StatusCode::FAILED_DEPENDENCY,
                "no-pump",
                "The pump technique depends on a pump.",
            ));
        }
        let Some(profile) = technique.profile() else {
            return Ok(());
        };
        match (profile.lube, lube) {
            (LubeRule::Required, None) => {
                return Err(Problem::new(
                    StatusCode::UNSUPPORTED_MEDIA_TYPE,
                    "lubricant-required",
                    format!(
                        "The {} technique requires a lubricant. None was declared.",
                        technique.name()
                    ),
                )
                .with("lubricants", json!(LUBRICANTS)));
            }
            (LubeRule::Forbidden, Some(_)) => {
                return Err(Problem::new(
                    StatusCode::UNSUPPORTED_MEDIA_TYPE,
                    "lubricant-declared",
                    "The dry technique was requested. A lubricant was declared.",
                ));
            }
            _ => {}
        }
        if let Some((min, max)) = profile.foreskin {
            self.check_foreskin(min, max)?;
        }
        Ok(())
    }

    fn check_foreskin(&self, min: f64, max: f64) -> Result<(), Problem> {
        let Some(f) = self.foreskin else {
            if min <= 0.0 {
                return Ok(());
            }
            return Err(Problem::new(
                StatusCode::GONE,
                "foreskin-gone",
                "This technique requires a foreskin. The foreskin is gone.",
            )
            .header(
                header::CONTENT_LOCATION,
                format!("/runs/{}/foreskin", self.id),
            ));
        };
        if f < min {
            return Err(Problem::new(
                StatusCode::LENGTH_REQUIRED,
                "foreskin-insufficient",
                format!(
                    "The selected technique requires {min:.1} units of foreskin. {f:.2} units are available. The server has noted the shortfall."
                ),
            )
            .with("required", min)
            .with("available", super::round2(f)));
        }
        if f > max {
            return Err(Problem::new(
                StatusCode::PAYLOAD_TOO_LARGE,
                "foreskin-excessive",
                format!(
                    "The selected technique tolerates at most {max:.1} units of foreskin. {f:.2} units are present."
                ),
            )
            .with("maximum", max)
            .with("present", super::round2(f)));
        }
        Ok(())
    }

    fn check_storage(&self) -> Result<(), Problem> {
        if self.items.extender && self.girth > 5.0 {
            return Err(Problem::new(
                StatusCode::INSUFFICIENT_STORAGE,
                "jeans-full",
                "The jeans are full. The extender is occupying the remaining storage.",
            )
            .with("extender", format!("/runs/{}/inventory/extender", self.id)));
        }
        Ok(())
    }

    fn commit(&mut self, intensity: i32, lube: Option<Lube>, now: Instant, cost: i32) {
        self.touch();
        self.turn += 1;
        self.floor_turns += 1;
        self.realize();
        if self.items.extender {
            self.length += 0.004;
        }
        self.stamina -= cost + i32::from(lube == Some(Lube::Lotion));
        if self.stamina <= 0 {
            self.stamina = 0;
            self.refractory_until = Some(now + *REFRACTORY);
        }
        let chill = if self.floor == Floor::LockerRoom {
            8
        } else {
            0
        };
        let wobble = self.rng.random_range(-3..=3);
        self.eq = (self.eq + intensity * 2 - 6 - chill + wobble).clamp(0, 100);

        let mut suspicion = intensity / 5 + i32::from(lube == Some(Lube::Vaseline));
        if matches!(self.floor, Floor::LockerRoom | Floor::Grandmas) {
            suspicion *= 2;
        }
        if self.floor == Floor::Grandmas && lube == Some(Lube::CoconutOil) {
            suspicion += 2;
        }
        let was_below = self.suspicion < SUSPICION_LIMIT;
        self.suspicion =
            (i32::from(self.suspicion) + suspicion).min(i32::from(SUSPICION_LIMIT)) as u8;
        if self.floor.has_mom() && !self.mom_present {
            let summoned = was_below && self.suspicion == SUSPICION_LIMIT;
            if summoned || self.rng.random_ratio(u32::from(self.suspicion) + 1, 16) {
                self.mom_present = true;
                self.mom_strikes = 0;
                self.mom_errand = self.errand(summoned);
                self.nonce = self.fresh_nonce();
            }
        }

        if let Some(observer) = self.floor.observer()
            && self.rng.random_ratio(1, 6)
        {
            self.observed = Some(observer);
            self.shame += 1;
            if observer == "cat" && self.rng.random_ratio(1, 5) {
                self.towel_stolen = true;
            }
        }
        if intensity >= 9 && !self.pulled_muscle && self.rng.random_ratio(1, 12) {
            self.pulled_muscle = true;
            self.stamina = self.stamina.min(self.max_stamina());
        }
        if self.items.ring && self.eq > 85 && self.rng.random_ratio(1, 10) {
            self.priapism_turns = PRIAPISM_TURNS;
        }
        if self.priapism_turns > 0 {
            self.priapism_turns -= 1;
            self.eq = self.eq.max(PRIAPISM_EQ);
        }
        if self.turn == super::BRANCH_TURN {
            self.branch_pending = true;
        }
    }

    fn hazards(&mut self, intensity: i32) -> Result<Option<Outcome>, Problem> {
        let odds = match self.eq {
            ..=70 => 300,
            71..=85 => 25,
            _ => 10,
        };
        if self.rng.random_ratio(1, odds) {
            return Err(self.rupture());
        }
        let windowed = matches!(self.floor, Floor::Bedroom | Floor::Grandmas | Floor::Hotel);
        if windowed && !self.items.blinds && self.rng.random_ratio(1, 60) {
            self.shame += 30;
            self.filmed_at.get_or_insert_with(SystemTime::now);
            return Ok(Some(
                Outcome::json(
                    StatusCode::CREATED,
                    json!({ "detail": "A neighbour was at the window. A recording has been created. It has been shared." }),
                )
                .header(header::LOCATION, format!("/runs/{}/footage", self.id)),
            ));
        }
        if self.floor == Floor::LockerRoom && self.rng.random_ratio(1, 10) {
            self.shame += 1;
            return Err(Problem::new(
                StatusCode::USE_PROXY,
                "friend",
                "A friend has offered to help. Use Proxy is deprecated, and the server has declined on your behalf.",
            ));
        }
        if self.peyronie && self.rng.random_ratio(1, 3) {
            return Err(Problem::new(
                StatusCode::MISDIRECTED_REQUEST,
                "misdirected",
                "The technique landed slightly to the left. It was meant for a different server.",
            ));
        }
        if intensity <= 2 && self.eq < 50 {
            self.eq = (self.eq - 10).max(0);
            return Err(Problem::new(
                StatusCode::REQUEST_TIMEOUT,
                "lost-it",
                "The request took too long. It was lost.",
            )
            .header(header::CONNECTION, "close"));
        }
        if self.eq > 95 {
            if self.rng.random_ratio(1, 3) {
                return Err(self.rupture());
            }
            self.shame += 5;
            self.next_floor(false);
            return Err(Problem::new(
                StatusCode::TOO_EARLY,
                "premature",
                "The floor has ended early. Everyone involved has agreed not to discuss it.",
            )
            .with("floor", self.floor.number()));
        }
        if self.eq < 30 {
            return Err(Problem::new(
                StatusCode::NOT_FOUND,
                "cold",
                "The resource exists. It is cold.",
            )
            .with("eq", self.eq));
        }
        Ok(None)
    }

    fn roll(
        &mut self,
        technique: Technique,
        profile: &Profile,
        intensity: i32,
        lube: Option<Lube>,
    ) -> Result<Outcome, Problem> {
        let natural: i32 = self.rng.random_range(1..=20);
        let band = if (50..=70).contains(&self.eq) { 2 } else { 0 };
        let grip = match (self.grip, technique) {
            (Grip::Underhand, Technique::Stretch) => 2,
            (Grip::Underhand, Technique::Wet) => -1,
            _ => 0,
        };
        let modifier = lube.map_or(0, Lube::modifier) + band + grip;
        let dc = profile.dc + intensity / 3;
        let total = natural + modifier;
        let timing = format!("roll;desc=\"d20{modifier:+} vs {dc}\";dur={natural}");
        let timed = |p: Problem| p.header(SERVER_TIMING, &timing);

        let scale = f64::from(intensity);
        let (mut length, mut girth) = (profile.length * scale, profile.girth * scale);
        if self.teapot {
            length *= 0.5;
            girth *= 1.5;
        }
        if self.items.ring {
            girth *= 2.0;
        }
        let rupture_eq = if self.items.ring { 80 } else { 90 };

        if natural == 1 {
            let touches_foreskin = profile.foreskin.is_some_and(|(min, _)| min > 0.0);
            if touches_foreskin && self.foreskin.is_some() {
                self.foreskin = None;
                self.shame += 25;
                return Err(timed(
                    Problem::new(
                        StatusCode::GONE,
                        "foreskin-lost",
                        "The technique has removed the foreskin. It will not be returning.",
                    )
                    .header(
                        header::CONTENT_LOCATION,
                        format!("/runs/{}/foreskin", self.id),
                    ),
                ));
            }
            if self.eq > 70 {
                return Err(timed(self.rupture()));
            }
            if technique == Technique::Stretch && !self.teapot {
                self.teapot = true;
                self.items.teapot_spout = true;
                self.shame += 5;
                return Err(timed(Problem::new(
                    StatusCode::IM_A_TEAPOT,
                    "teapot",
                    "The subject is now short and stout. Length gains are halved for the rest of the floor.",
                )));
            }
            if technique == Technique::Uli && !self.peyronie {
                self.peyronie = true;
                self.shame += 5;
                return Err(timed(Problem::new(
                    StatusCode::MISDIRECTED_REQUEST,
                    "curvature",
                    "A curvature has developed. Techniques will land slightly to the left until a professional is consulted.",
                )));
            }
            return Err(timed(not_extended()));
        }
        if natural == 2 && self.eq > 70 {
            return Err(timed(self.rupture()));
        }
        if self.eq > rupture_eq && total < dc {
            return Err(timed(self.rupture()));
        }
        if natural == 20 {
            self.gain(length * 2.0, girth * 2.0, profile.foreskin_growth);
            return Ok(Outcome::json(
                StatusCode::CREATED,
                json!({
                    "detail": "A permanent gain has been created.",
                    "length": round3(length * 2.0),
                    "girth": round3(girth * 2.0),
                }),
            )
            .header(header::LOCATION, format!("/runs/{}/length", self.id))
            .header(SERVER_TIMING, timing));
        }
        if total < dc - 3 {
            return Err(timed(not_extended()));
        }
        if total < dc {
            return Ok(Outcome::empty(StatusCode::NO_CONTENT).header(SERVER_TIMING, timing));
        }

        let outcome = if self.eq < 50 {
            self.gain(length / 2.0, girth / 2.0, profile.foreskin_growth);
            Outcome::json(
                StatusCode::PARTIAL_CONTENT,
                json!({
                    "detail": "Partial gains were applied. EQ was below the band.",
                    "length": round3(length / 2.0),
                    "girth": round3(girth / 2.0),
                }),
            )
        } else if total >= dc + 5 {
            self.gain(length, girth, profile.foreskin_growth);
            Outcome::json(
                StatusCode::OK,
                json!({
                    "detail": "Gains were applied.",
                    "length": round3(length),
                    "girth": round3(girth),
                }),
            )
        } else {
            let eta = self.rng.random_range(1..=4);
            self.pending.push(super::Pending {
                due: self.turn + eta,
                length,
                girth,
            });
            self.gain(0.0, 0.0, profile.foreskin_growth);
            Outcome::json(
                StatusCode::ACCEPTED,
                json!({
                    "detail": "Gains have been queued. They may arrive.",
                    "eta_turns": eta,
                }),
            )
        };
        Ok(outcome.header(SERVER_TIMING, timing))
    }

    fn gossip(&mut self, outcome: Outcome) -> Outcome {
        let reportable = matches!(outcome.status.as_u16(), 200 | 202 | 206);
        if !self.roommate_told || !reportable {
            return outcome;
        }
        self.roommate_told = false;
        let mut outcome = outcome;
        outcome.status = StatusCode::ALREADY_REPORTED;
        if let super::Payload::Json(body) = &mut outcome.payload {
            body["detail"] = json!("The roommate has already told everyone.");
        }
        outcome
    }

    fn warm_up(&mut self) -> Result<Outcome, Problem> {
        if self.floor == Floor::Hotel && self.rng.random_ratio(1, 3) {
            return Err(Problem::new(
                StatusCode::SERVICE_UNAVAILABLE,
                "service-unavailable",
                "Service is unavailable. The server estimates next week. The server is being pessimistic.",
            )
            .header(
                header::RETRY_AFTER,
                httpdate::fmt_http_date(SystemTime::now() + WEEK),
            ));
        }
        let (boost, detail) = if self.floor == Floor::Bathroom {
            (
                35,
                "Warmed up. The shower is hot. The roommate's will not be.",
            )
        } else if self.towel_stolen {
            (10, "Warmed up, poorly. The cat has the towel.")
        } else {
            (25, "Warmed up. The towel has cooled.")
        };
        self.touch();
        self.warmed_up = true;
        self.eq = (self.eq + boost).min(100);
        Ok(Outcome::json(StatusCode::OK, json!({ "detail": detail })))
    }

    fn ice(&mut self) -> Result<Outcome, Problem> {
        if self.items.ice_packs == 0 {
            return Err(Problem::new(
                StatusCode::FAILED_DEPENDENCY,
                "no-ice",
                "The ice technique depends on an ice pack. There are none.",
            ));
        }
        self.touch();
        self.items.ice_packs -= 1;
        if self.priapism_turns > 0 {
            return Ok(Outcome::json(
                StatusCode::OK,
                json!({ "detail": "The ice has no effect. The condition persists. The ice pack is gone." }),
            ));
        }
        self.eq = (self.eq - 40).max(0);
        Ok(Outcome::json(
            StatusCode::OK,
            json!({ "detail": "EQ has been reduced. The ice pack is gone." }),
        ))
    }

    fn supplement(&mut self) -> Result<Outcome, Problem> {
        if self.items.supplements == 0 {
            return Err(Problem::new(
                StatusCode::FAILED_DEPENDENCY,
                "no-supplement",
                "The supplement technique depends on a supplement.",
            ));
        }
        self.items.supplements -= 1;
        self.touch();
        if self.rng.random_ratio(1, 5) {
            self.priapism_turns = PRIAPISM_TURNS;
            self.eq = self.eq.max(PRIAPISM_EQ);
            return Ok(Outcome::json(
                StatusCode::OK,
                json!({ "detail": "The upstream returned a valid response. It is still returning it." }),
            ));
        }
        Err(Problem::new(
            StatusCode::BAD_GATEWAY,
            "bad-gateway",
            "The upstream returned an invalid response.",
        )
        .with("upstream", "Pump-Bro"))
    }

    fn edge(&mut self, now: Instant) -> Result<Outcome, Problem> {
        self.commit(5, None, now, 1);
        self.edges += 1;
        self.eq = (self.eq + 11).min(100);
        self.girth += 0.004;
        if self.edges >= 3 {
            self.edges = 0;
            self.stamina = 0;
            self.refractory_until = Some(now + *REFRACTORY);
            return Err(Problem::new(
                StatusCode::LOOP_DETECTED,
                "edging-loop",
                "Edging has looped. The server detected an infinite loop and terminated it.",
            ));
        }
        if let Some(interrupted) = self.hazards(5)? {
            return Ok(interrupted);
        }
        Ok(Outcome::json(
            StatusCode::OK,
            json!({ "detail": "Edged. EQ is rising. Nothing else is.", "edges": self.edges }),
        ))
    }

    fn pump(&mut self, now: Instant) -> Result<Outcome, Problem> {
        self.commit(4, None, now, 1);
        if let Some(interrupted) = self.hazards(4)? {
            return Ok(interrupted);
        }
        self.temp_length += 0.5;
        Ok(Outcome::json(
            StatusCode::TEMPORARY_REDIRECT,
            json!({ "detail": "Gains applied. They are temporary.", "length": 0.5 }),
        )
        .header(header::LOCATION, format!("/runs/{}/length", self.id)))
    }
}

1	use std::{
2	fmt::Write as _,
3	time::{Duration, Instant, SystemTime},
4	};
5
6	use axum::http::{StatusCode, header};
7	use rand::Rng;
8	use serde_json::json;
9
10	use super::{
11	CLINIC_ALLOW, FORUM_THREAD, Floor, Grip, Lube, Outcome, REFRACTORY, Run, SERVER_TIMING,
12	SUSPICION_LIMIT, Technique, catalog::LubeRule, catalog::Profile, not_extended, round3,
13	};
14	use crate::{game::LUBRICANTS, problem::Problem};
15
16	const WEEK: Duration = Duration::from_secs(7 * 24 * 60 * 60);
17	const PRIAPISM_TURNS: u8 = 5;
18	const PRIAPISM_EQ: i32 = 75;
19	const DEGLOVED: &str =
20	"The outer layer has been removed in one piece. It will not be returning. The run has ended.";
21
22	impl Run {
23	pub fn jelq(
24	&mut self,
25	techniques: &[Technique],
26	intensity: i32,
27	lube: Option<Lube>,
28	now: Instant,
29	) -> Result<Outcome, Problem> {
30	self.check_refractory(now)?;
31	if self.branch_pending {
32	return Ok(self.branch_offer());
33	}
34	match self.floor {
35	Floor::Forum => {
36	return Ok(Outcome::json(
37	StatusCode::SEE_OTHER,
38	json!({ "detail": "Refer to the forum." }),
39	)
40	.header(header::LOCATION, FORUM_THREAD));
41	}
42	Floor::Clinic => {
43	return Err(Problem::new(
44	StatusCode::METHOD_NOT_ALLOWED,
45	"not-in-the-clinic",
46	"JELQ is not performed in the clinic.",
47	)
48	.header(header::ALLOW, CLINIC_ALLOW));
49	}
50	_ => {}
51	}
52	if self.items.cage {
53	return Err(Problem::new(
54	StatusCode::LOCKED,
55	"caged",
56	"The cage is locked. The key is not in the box.",
57	));
58	}
59	match *techniques {
60	[technique] => self.single(technique, intensity, lube, now),
61	[a, b] => self.combo(a, b, intensity, lube, now),
62	_ => Err(Problem::new(
63	StatusCode::BAD_REQUEST,
64	"too-many-techniques",
65	"Two techniques at most. The server has limits even if you do not.",
66	)),
67	}
68	}
69
70	fn single(
71	&mut self,
72	technique: Technique,
73	intensity: i32,
74	lube: Option<Lube>,
75	now: Instant,
76	) -> Result<Outcome, Problem> {
77	match technique {
78	Technique::Warmup => return self.warm_up(),
79	Technique::Ice => return self.ice(),
80	Technique::Supplement => return self.supplement(),
81	Technique::Edge => {}
82	_ => self.edges = 0,
83	}
84	self.prepare(technique, lube)?;
85	self.check_storage()?;
86	self.floor_enemy()?;
87	match technique {
88	Technique::Edge => return self.edge(now),
89	Technique::Pump => return self.pump(now),
90	_ => {}
91	}
92	let profile = technique.profile().expect("training technique");
93	self.commit(intensity, lube, now, 1);
94	if technique == Technique::Dry && intensity >= 8 && self.rng.random_ratio(1, 60) {
95	self.end("degloved", DEGLOVED);
96	return Err(Problem::new(StatusCode::GONE, "degloved", DEGLOVED));
97	}
98	if let Some(interrupted) = self.hazards(intensity)? {
99	return Ok(interrupted);
100	}
101	let result = self.roll(technique, &profile, intensity, lube);
102	Ok(self.gossip(result?))
103	}
104
105	fn combo(
106	&mut self,
107	a: Technique,
108	b: Technique,
109	intensity: i32,
110	lube: Option<Lube>,
111	now: Instant,
112	) -> Result<Outcome, Problem> {
113	let (Some(first), Some(second)) = (a.profile(), b.profile()) else {
114	return Err(Problem::new(
115	StatusCode::BAD_REQUEST,
116	"combo-invalid",
117	"Only training techniques can be combined.",
118	));
119	};
120	if a == b {
121	return Err(Problem::new(
122	StatusCode::BAD_REQUEST,
123	"combo-invalid",
124	"A technique cannot be combined with itself. The server has checked.",
125	));
126	}
127	self.edges = 0;
128	self.prepare(a, lube)?;
129	self.prepare(b, lube)?;
130	self.check_storage()?;
131	self.floor_enemy()?;
132	self.commit(intensity, lube, now, 2);
133	if let Some(interrupted) = self.hazards(intensity)? {
134	return Ok(interrupted);
135	}
136
137	let mut statuses = Vec::new();
138	for (technique, profile) in [(a, first), (b, second)] {
139	let result = self.roll(technique, &profile, intensity, lube);
140	if self.ended.is_some() {
141	return result;
142	}
143	let status = match &result {
144	Ok(outcome) => outcome.status(),
145	Err(problem) => problem.status(),
146	};
147	statuses.push((technique, status));
148	}
149
150	let mut xml = String::from(
151	"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<D:multistatus xmlns:D=\"DAV:\">\n",
152	);
153	for (technique, status) in statuses {
154	let _ = write!(
155	xml,
156	" <D:response>\n <D:href>/runs/{}?technique={}</D:href>\n <D:status>HTTP/1.1 {} {}</D:status>\n </D:response>\n",
157	self.id,
158	technique.name(),
159	status.as_u16(),
160	status.canonical_reason().unwrap_or_default(),
161	);
162	}
163	xml.push_str(
164	" <D:responsedescription>Each technique has been reported separately.</D:responsedescription>\n</D:multistatus>\n",
165	);
166	Ok(Outcome::raw(
167	StatusCode::MULTI_STATUS,
168	"application/xml; charset=utf-8",
169	xml,
170	))
171	}
172
173	fn prepare(&self, technique: Technique, lube: Option<Lube>) -> Result<(), Problem> {
174	if technique == Technique::Uli && !self.forum_read {
175	return Err(Problem::new(
176	StatusCode::FORBIDDEN,
177	"technique-locked",
178	"This technique is discussed on the forum. You have not been to the forum.",
179	));
180	}
181	if !self.warmed_up {
182	return Err(Problem::new(
183	StatusCode::PRECONDITION_FAILED,
184	"cold-start",
185	"Warm-up was skipped. The server has noted this.",
186	)
187	.with("technique", Technique::Warmup.name()));
188	}
189	if technique == Technique::Pump && !self.items.pump_pro {
190	return Err(Problem::new(
191	StatusCode::FAILED_DEPENDENCY,
192	"no-pump",
193	"The pump technique depends on a pump.",
194	));
195	}
196	let Some(profile) = technique.profile() else {
197	return Ok(());
198	};
199	match (profile.lube, lube) {
200	(LubeRule::Required, None) => {
201	return Err(Problem::new(
202	StatusCode::UNSUPPORTED_MEDIA_TYPE,
203	"lubricant-required",
204	format!(
205	"The {} technique requires a lubricant. None was declared.",
206	technique.name()
207	),
208	)
209	.with("lubricants", json!(LUBRICANTS)));
210	}
211	(LubeRule::Forbidden, Some(_)) => {
212	return Err(Problem::new(
213	StatusCode::UNSUPPORTED_MEDIA_TYPE,
214	"lubricant-declared",
215	"The dry technique was requested. A lubricant was declared.",
216	));
217	}
218	_ => {}
219	}
220	if let Some((min, max)) = profile.foreskin {
221	self.check_foreskin(min, max)?;
222	}
223	Ok(())
224	}
225
226	fn check_foreskin(&self, min: f64, max: f64) -> Result<(), Problem> {
227	let Some(f) = self.foreskin else {
228	if min <= 0.0 {
229	return Ok(());
230	}
231	return Err(Problem::new(
232	StatusCode::GONE,
233	"foreskin-gone",
234	"This technique requires a foreskin. The foreskin is gone.",
235	)
236	.header(
237	header::CONTENT_LOCATION,
238	format!("/runs/{}/foreskin", self.id),
239	));
240	};
241	if f < min {
242	return Err(Problem::new(
243	StatusCode::LENGTH_REQUIRED,
244	"foreskin-insufficient",
245	format!(
246	"The selected technique requires {min:.1} units of foreskin. {f:.2} units are available. The server has noted the shortfall."
247	),
248	)
249	.with("required", min)
250	.with("available", super::round2(f)));
251	}
252	if f > max {
253	return Err(Problem::new(
254	StatusCode::PAYLOAD_TOO_LARGE,
255	"foreskin-excessive",
256	format!(
257	"The selected technique tolerates at most {max:.1} units of foreskin. {f:.2} units are present."
258	),
259	)
260	.with("maximum", max)
261	.with("present", super::round2(f)));
262	}
263	Ok(())
264	}
265
266	fn check_storage(&self) -> Result<(), Problem> {
267	if self.items.extender && self.girth > 5.0 {
268	return Err(Problem::new(
269	StatusCode::INSUFFICIENT_STORAGE,
270	"jeans-full",
271	"The jeans are full. The extender is occupying the remaining storage.",
272	)
273	.with("extender", format!("/runs/{}/inventory/extender", self.id)));
274	}
275	Ok(())
276	}
277
278	fn commit(&mut self, intensity: i32, lube: Option<Lube>, now: Instant, cost: i32) {
279	self.touch();
280	self.turn += 1;
281	self.floor_turns += 1;
282	self.realize();
283	if self.items.extender {
284	self.length += 0.004;
285	}
286	self.stamina -= cost + i32::from(lube == Some(Lube::Lotion));
287	if self.stamina <= 0 {
288	self.stamina = 0;
289	self.refractory_until = Some(now + *REFRACTORY);
290	}
291	let chill = if self.floor == Floor::LockerRoom {
292	8
293	} else {
294	0
295	};
296	let wobble = self.rng.random_range(-3..=3);
297	self.eq = (self.eq + intensity * 2 - 6 - chill + wobble).clamp(0, 100);
298
299	let mut suspicion = intensity / 5 + i32::from(lube == Some(Lube::Vaseline));
300	if matches!(self.floor, Floor::LockerRoom \| Floor::Grandmas) {
301	suspicion *= 2;
302	}
303	if self.floor == Floor::Grandmas && lube == Some(Lube::CoconutOil) {
304	suspicion += 2;
305	}
306	let was_below = self.suspicion < SUSPICION_LIMIT;
307	self.suspicion =
308	(i32::from(self.suspicion) + suspicion).min(i32::from(SUSPICION_LIMIT)) as u8;
309	if self.floor.has_mom() && !self.mom_present {
310	let summoned = was_below && self.suspicion == SUSPICION_LIMIT;
311	if summoned \|\| self.rng.random_ratio(u32::from(self.suspicion) + 1, 16) {
312	self.mom_present = true;
313	self.mom_strikes = 0;
314	self.mom_errand = self.errand(summoned);
315	self.nonce = self.fresh_nonce();
316	}
317	}
318
319	if let Some(observer) = self.floor.observer()
320	&& self.rng.random_ratio(1, 6)
321	{
322	self.observed = Some(observer);
323	self.shame += 1;
324	if observer == "cat" && self.rng.random_ratio(1, 5) {
325	self.towel_stolen = true;
326	}
327	}
328	if intensity >= 9 && !self.pulled_muscle && self.rng.random_ratio(1, 12) {
329	self.pulled_muscle = true;
330	self.stamina = self.stamina.min(self.max_stamina());
331	}
332	if self.items.ring && self.eq > 85 && self.rng.random_ratio(1, 10) {
333	self.priapism_turns = PRIAPISM_TURNS;
334	}
335	if self.priapism_turns > 0 {
336	self.priapism_turns -= 1;
337	self.eq = self.eq.max(PRIAPISM_EQ);
338	}
339	if self.turn == super::BRANCH_TURN {
340	self.branch_pending = true;
341	}
342	}
343
344	fn hazards(&mut self, intensity: i32) -> Result<Option<Outcome>, Problem> {
345	let odds = match self.eq {
346	..=70 => 300,
347	71..=85 => 25,
348	_ => 10,
349	};
350	if self.rng.random_ratio(1, odds) {
351	return Err(self.rupture());
352	}
353	let windowed = matches!(self.floor, Floor::Bedroom \| Floor::Grandmas \| Floor::Hotel);
354	if windowed && !self.items.blinds && self.rng.random_ratio(1, 60) {
355	self.shame += 30;
356	self.filmed_at.get_or_insert_with(SystemTime::now);
357	return Ok(Some(
358	Outcome::json(
359	StatusCode::CREATED,
360	json!({ "detail": "A neighbour was at the window. A recording has been created. It has been shared." }),
361	)
362	.header(header::LOCATION, format!("/runs/{}/footage", self.id)),
363	));
364	}
365	if self.floor == Floor::LockerRoom && self.rng.random_ratio(1, 10) {
366	self.shame += 1;
367	return Err(Problem::new(
368	StatusCode::USE_PROXY,
369	"friend",
370	"A friend has offered to help. Use Proxy is deprecated, and the server has declined on your behalf.",
371	));
372	}
373	if self.peyronie && self.rng.random_ratio(1, 3) {
374	return Err(Problem::new(
375	StatusCode::MISDIRECTED_REQUEST,
376	"misdirected",
377	"The technique landed slightly to the left. It was meant for a different server.",
378	));
379	}
380	if intensity <= 2 && self.eq < 50 {
381	self.eq = (self.eq - 10).max(0);
382	return Err(Problem::new(
383	StatusCode::REQUEST_TIMEOUT,
384	"lost-it",
385	"The request took too long. It was lost.",
386	)
387	.header(header::CONNECTION, "close"));
388	}
389	if self.eq > 95 {
390	if self.rng.random_ratio(1, 3) {
391	return Err(self.rupture());
392	}
393	self.shame += 5;
394	self.next_floor(false);
395	return Err(Problem::new(
396	StatusCode::TOO_EARLY,
397	"premature",
398	"The floor has ended early. Everyone involved has agreed not to discuss it.",
399	)
400	.with("floor", self.floor.number()));
401	}
402	if self.eq < 30 {
403	return Err(Problem::new(
404	StatusCode::NOT_FOUND,
405	"cold",
406	"The resource exists. It is cold.",
407	)
408	.with("eq", self.eq));
409	}
410	Ok(None)
411	}
412
413	fn roll(
414	&mut self,
415	technique: Technique,
416	profile: &Profile,
417	intensity: i32,
418	lube: Option<Lube>,
419	) -> Result<Outcome, Problem> {
420	let natural: i32 = self.rng.random_range(1..=20);
421	let band = if (50..=70).contains(&self.eq) { 2 } else { 0 };
422	let grip = match (self.grip, technique) {
423	(Grip::Underhand, Technique::Stretch) => 2,
424	(Grip::Underhand, Technique::Wet) => -1,
425	_ => 0,
426	};
427	let modifier = lube.map_or(0, Lube::modifier) + band + grip;
428	let dc = profile.dc + intensity / 3;
429	let total = natural + modifier;
430	let timing = format!("roll;desc=\"d20{modifier:+} vs {dc}\";dur={natural}");
431	let timed = \|p: Problem\| p.header(SERVER_TIMING, &timing);
432
433	let scale = f64::from(intensity);
434	let (mut length, mut girth) = (profile.length * scale, profile.girth * scale);
435	if self.teapot {
436	length *= 0.5;
437	girth *= 1.5;
438	}
439	if self.items.ring {
440	girth *= 2.0;
441	}
442	let rupture_eq = if self.items.ring { 80 } else { 90 };
443
444	if natural == 1 {
445	let touches_foreskin = profile.foreskin.is_some_and(\|(min, _)\| min > 0.0);
446	if touches_foreskin && self.foreskin.is_some() {
447	self.foreskin = None;
448	self.shame += 25;
449	return Err(timed(
450	Problem::new(
451	StatusCode::GONE,
452	"foreskin-lost",
453	"The technique has removed the foreskin. It will not be returning.",
454	)
455	.header(
456	header::CONTENT_LOCATION,
457	format!("/runs/{}/foreskin", self.id),
458	),
459	));
460	}
461	if self.eq > 70 {
462	return Err(timed(self.rupture()));
463	}
464	if technique == Technique::Stretch && !self.teapot {
465	self.teapot = true;
466	self.items.teapot_spout = true;
467	self.shame += 5;
468	return Err(timed(Problem::new(
469	StatusCode::IM_A_TEAPOT,
470	"teapot",
471	"The subject is now short and stout. Length gains are halved for the rest of the floor.",
472	)));
473	}
474	if technique == Technique::Uli && !self.peyronie {
475	self.peyronie = true;
476	self.shame += 5;
477	return Err(timed(Problem::new(
478	StatusCode::MISDIRECTED_REQUEST,
479	"curvature",
480	"A curvature has developed. Techniques will land slightly to the left until a professional is consulted.",
481	)));
482	}
483	return Err(timed(not_extended()));
484	}
485	if natural == 2 && self.eq > 70 {
486	return Err(timed(self.rupture()));
487	}
488	if self.eq > rupture_eq && total < dc {
489	return Err(timed(self.rupture()));
490	}
491	if natural == 20 {
492	self.gain(length * 2.0, girth * 2.0, profile.foreskin_growth);
493	return Ok(Outcome::json(
494	StatusCode::CREATED,
495	json!({
496	"detail": "A permanent gain has been created.",
497	"length": round3(length * 2.0),
498	"girth": round3(girth * 2.0),
499	}),
500	)
501	.header(header::LOCATION, format!("/runs/{}/length", self.id))
502	.header(SERVER_TIMING, timing));
503	}
504	if total < dc - 3 {
505	return Err(timed(not_extended()));
506	}
507	if total < dc {
508	return Ok(Outcome::empty(StatusCode::NO_CONTENT).header(SERVER_TIMING, timing));
509	}
510
511	let outcome = if self.eq < 50 {
512	self.gain(length / 2.0, girth / 2.0, profile.foreskin_growth);
513	Outcome::json(
514	StatusCode::PARTIAL_CONTENT,
515	json!({
516	"detail": "Partial gains were applied. EQ was below the band.",
517	"length": round3(length / 2.0),
518	"girth": round3(girth / 2.0),
519	}),
520	)
521	} else if total >= dc + 5 {
522	self.gain(length, girth, profile.foreskin_growth);
523	Outcome::json(
524	StatusCode::OK,
525	json!({
526	"detail": "Gains were applied.",
527	"length": round3(length),
528	"girth": round3(girth),
529	}),
530	)
531	} else {
532	let eta = self.rng.random_range(1..=4);
533	self.pending.push(super::Pending {
534	due: self.turn + eta,
535	length,
536	girth,
537	});
538	self.gain(0.0, 0.0, profile.foreskin_growth);
539	Outcome::json(
540	StatusCode::ACCEPTED,
541	json!({
542	"detail": "Gains have been queued. They may arrive.",
543	"eta_turns": eta,
544	}),
545	)
546	};
547	Ok(outcome.header(SERVER_TIMING, timing))
548	}
549
550	fn gossip(&mut self, outcome: Outcome) -> Outcome {
551	let reportable = matches!(outcome.status.as_u16(), 200 \| 202 \| 206);
552	if !self.roommate_told \|\| !reportable {
553	return outcome;
554	}
555	self.roommate_told = false;
556	let mut outcome = outcome;
557	outcome.status = StatusCode::ALREADY_REPORTED;
558	if let super::Payload::Json(body) = &mut outcome.payload {
559	body["detail"] = json!("The roommate has already told everyone.");
560	}
561	outcome
562	}
563
564	fn warm_up(&mut self) -> Result<Outcome, Problem> {
565	if self.floor == Floor::Hotel && self.rng.random_ratio(1, 3) {
566	return Err(Problem::new(
567	StatusCode::SERVICE_UNAVAILABLE,
568	"service-unavailable",
569	"Service is unavailable. The server estimates next week. The server is being pessimistic.",
570	)
571	.header(
572	header::RETRY_AFTER,
573	httpdate::fmt_http_date(SystemTime::now() + WEEK),
574	));
575	}
576	let (boost, detail) = if self.floor == Floor::Bathroom {
577	(
578	35,
579	"Warmed up. The shower is hot. The roommate's will not be.",
580	)
581	} else if self.towel_stolen {
582	(10, "Warmed up, poorly. The cat has the towel.")
583	} else {
584	(25, "Warmed up. The towel has cooled.")
585	};
586	self.touch();
587	self.warmed_up = true;
588	self.eq = (self.eq + boost).min(100);
589	Ok(Outcome::json(StatusCode::OK, json!({ "detail": detail })))
590	}
591
592	fn ice(&mut self) -> Result<Outcome, Problem> {
593	if self.items.ice_packs == 0 {
594	return Err(Problem::new(
595	StatusCode::FAILED_DEPENDENCY,
596	"no-ice",
597	"The ice technique depends on an ice pack. There are none.",
598	));
599	}
600	self.touch();
601	self.items.ice_packs -= 1;
602	if self.priapism_turns > 0 {
603	return Ok(Outcome::json(
604	StatusCode::OK,
605	json!({ "detail": "The ice has no effect. The condition persists. The ice pack is gone." }),
606	));
607	}
608	self.eq = (self.eq - 40).max(0);
609	Ok(Outcome::json(
610	StatusCode::OK,
611	json!({ "detail": "EQ has been reduced. The ice pack is gone." }),
612	))
613	}
614
615	fn supplement(&mut self) -> Result<Outcome, Problem> {
616	if self.items.supplements == 0 {
617	return Err(Problem::new(
618	StatusCode::FAILED_DEPENDENCY,
619	"no-supplement",
620	"The supplement technique depends on a supplement.",
621	));
622	}
623	self.items.supplements -= 1;
624	self.touch();
625	if self.rng.random_ratio(1, 5) {
626	self.priapism_turns = PRIAPISM_TURNS;
627	self.eq = self.eq.max(PRIAPISM_EQ);
628	return Ok(Outcome::json(
629	StatusCode::OK,
630	json!({ "detail": "The upstream returned a valid response. It is still returning it." }),
631	));
632	}
633	Err(Problem::new(
634	StatusCode::BAD_GATEWAY,
635	"bad-gateway",
636	"The upstream returned an invalid response.",
637	)
638	.with("upstream", "Pump-Bro"))
639	}
640
641	fn edge(&mut self, now: Instant) -> Result<Outcome, Problem> {
642	self.commit(5, None, now, 1);
643	self.edges += 1;
644	self.eq = (self.eq + 11).min(100);
645	self.girth += 0.004;
646	if self.edges >= 3 {
647	self.edges = 0;
648	self.stamina = 0;
649	self.refractory_until = Some(now + *REFRACTORY);
650	return Err(Problem::new(
651	StatusCode::LOOP_DETECTED,
652	"edging-loop",
653	"Edging has looped. The server detected an infinite loop and terminated it.",
654	));
655	}
656	if let Some(interrupted) = self.hazards(5)? {
657	return Ok(interrupted);
658	}
659	Ok(Outcome::json(
660	StatusCode::OK,
661	json!({ "detail": "Edged. EQ is rising. Nothing else is.", "edges": self.edges }),
662	))
663	}
664
665	fn pump(&mut self, now: Instant) -> Result<Outcome, Problem> {
666	self.commit(4, None, now, 1);
667	if let Some(interrupted) = self.hazards(4)? {
668	return Ok(interrupted);
669	}
670	self.temp_length += 0.5;
671	Ok(Outcome::json(
672	StatusCode::TEMPORARY_REDIRECT,
673	json!({ "detail": "Gains applied. They are temporary.", "length": 0.5 }),
674	)
675	.header(header::LOCATION, format!("/runs/{}/length", self.id)))
676	}
677	}