forked from projectmoon/tenebrous-dicebot
Implement support for user variables in CoC dice rolling.
Also comes with reorganization of the dice rolling code to centralize the variable -> dice amount logic, and changes the way the results of those rolls are displayed.
This commit is contained in:
ProjectMoon
parent
b142b87d65
commit
39e6eb9b46
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@ -1,22 +1,10 @@
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use crate::context::Context;
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use crate::db::variables::UserAndRoom;
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use crate::error::BotError;
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use crate::error::{BotError, DiceRollingError};
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use crate::parser::{Amount, Element, Operator};
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use crate::roll::Rolled;
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use futures::stream::{self, StreamExt, TryStreamExt};
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use itertools::Itertools;
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use std::convert::TryFrom;
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use std::fmt;
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use thiserror::Error;
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#[derive(Error, Debug)]
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pub enum DiceRollingError {
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#[error("variable not found: {0}")]
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VariableNotFound(String),
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#[error("dice pool expression too large")]
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ExpressionTooLarge,
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}
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#[derive(Debug, PartialEq, Eq, Clone, Copy)]
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pub enum DicePoolQuality {
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@ -94,29 +82,6 @@ pub struct DicePool {
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pub(crate) modifiers: DicePoolModifiers,
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}
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async fn calculate_dice_amount(pool: &DicePoolWithContext<'_>) -> Result<i32, BotError> {
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let stream = stream::iter(&pool.0.amounts);
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let key = UserAndRoom(&pool.1.username, &pool.1.room_id);
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let variables = &pool.1.db.variables.get_user_variables(&key)?;
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use DiceRollingError::VariableNotFound;
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let dice_amount: Result<i32, BotError> = stream
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.then(|amount| async move {
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match &amount.element {
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Element::Number(num_dice) => Ok(*num_dice * amount.operator.mult()),
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Element::Variable(variable) => variables
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.get(variable)
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.ok_or(VariableNotFound(variable.clone().to_string()))
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.map(|i| *i)
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.map_err(|e| e.into()),
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}
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})
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.try_fold(0, |total, num_dice| async move { Ok(total + num_dice) })
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.await;
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dice_amount
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}
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impl DicePool {
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pub fn easy_pool(dice_amount: i32, quality: DicePoolQuality) -> DicePool {
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DicePool {
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@ -346,7 +311,7 @@ pub async fn roll_pool(pool: &DicePoolWithContext<'_>) -> Result<RolledDicePool,
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return Err(DiceRollingError::ExpressionTooLarge.into());
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}
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let num_dice = calculate_dice_amount(&pool).await?;
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let num_dice = crate::dice::calculate_dice_amount(&pool.0.amounts, &pool.1).await?;
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let mut roller = RngDieRoller(rand::thread_rng());
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if num_dice > 0 {
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@ -563,9 +528,13 @@ mod tests {
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}];
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let pool = DicePool::new(amounts, DicePoolModifiers::default());
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let pool_with_ctx = DicePoolWithContext(&pool, &ctx);
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assert_eq!(calculate_dice_amount(&pool_with_ctx).await.unwrap(), 10);
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assert_eq!(
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crate::dice::calculate_dice_amount(&pool.amounts, &ctx)
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.await
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.unwrap(),
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10
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);
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}
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//DicePool tests
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@ -1,6 +1,6 @@
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use super::{Command, Execution};
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use crate::context::Context;
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use crate::cthulhu::dice::{AdvancementRoll, DiceRoll};
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use crate::cthulhu::dice::{regular_roll, AdvancementRoll, DiceRoll, DiceRollWithContext};
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use async_trait::async_trait;
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pub struct CthRoll(pub DiceRoll);
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@ -11,14 +11,25 @@ impl Command for CthRoll {
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"roll percentile pool"
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}
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async fn execute(&self, _ctx: &Context<'_>) -> Execution {
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//TODO this will be converted to a result when supporting variables.
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let roll = self.0.roll();
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let plain = format!("Roll: {}\nResult: {}", self.0, roll);
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async fn execute(&self, ctx: &Context<'_>) -> Execution {
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let roll_with_ctx = DiceRollWithContext(&self.0, ctx);
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let roll = regular_roll(&roll_with_ctx).await;
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let (plain, html) = match roll {
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Ok(executed_roll) => {
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let plain = format!("Roll: {}\nResult: {}", executed_roll, executed_roll.roll);
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let html = format!(
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"<p><strong>Roll:</strong> {}</p><p><strong>Result</strong>: {}</p>",
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self.0, roll
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executed_roll, executed_roll.roll
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);
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(plain, html)
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}
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Err(e) => {
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let plain = format!("Error: {}", e);
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let html = format!("<p><strong>Error:</strong> {}</p>", e);
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(plain, html)
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}
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};
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Execution { plain, html }
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}
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@ -1,19 +1,17 @@
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use crate::context::Context;
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use crate::error::{BotError, DiceRollingError};
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use crate::parser::Amount;
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use std::convert::TryFrom;
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use std::fmt;
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/// A planned dice roll.
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#[derive(Clone, Copy, Debug, PartialEq)]
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#[derive(Clone, Debug, PartialEq)]
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pub struct DiceRoll {
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pub target: u32,
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pub amounts: Vec<Amount>,
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pub modifier: DiceRollModifier,
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}
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impl fmt::Display for DiceRoll {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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let message = format!("target: {}, with {}", self.target, self.modifier);
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write!(f, "{}", message)?;
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Ok(())
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}
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}
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pub struct DiceRollWithContext<'a>(pub &'a DiceRoll, pub &'a Context<'a>);
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/// Potential modifier on the die roll to be made.
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#[derive(Clone, Copy, Debug, PartialEq)]
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@ -91,6 +89,26 @@ impl fmt::Display for RollResult {
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}
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}
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pub struct ExecutedDiceRoll {
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/// The number we must meet for the roll to be considered a
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/// success.
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pub target: u32,
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/// Stored for informational purposes in display.
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pub modifier: DiceRollModifier,
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/// The actual roll result.
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pub roll: RolledDice,
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}
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impl fmt::Display for ExecutedDiceRoll {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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let message = format!("target: {}, with {}", self.target, self.modifier);
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write!(f, "{}", message)?;
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Ok(())
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}
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}
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//TODO need to keep track of all rolled numbers for informational purposes!
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/// The outcome of a roll.
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pub struct RolledDice {
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@ -100,10 +118,6 @@ pub struct RolledDice {
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/// The number we must meet for the roll to be considered a
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/// success.
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target: u32,
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/// Stored for informational purposes in display.
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#[allow(dead_code)]
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modifier: DiceRollModifier,
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}
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impl RolledDice {
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@ -235,9 +249,14 @@ fn roll_percentile_dice<R: DieRoller>(roller: &mut R, unit_roll: u32) -> u32 {
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}
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}
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fn roll_regular_dice<R: DieRoller>(roll: &DiceRoll, roller: &mut R) -> RolledDice {
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fn roll_regular_dice<R: DieRoller>(
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modifier: &DiceRollModifier,
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target: u32,
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roller: &mut R,
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) -> RolledDice {
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use DiceRollModifier::*;
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let num_rolls = match roll.modifier {
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let num_rolls = match modifier {
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Normal => 1,
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OneBonus | OnePenalty => 2,
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TwoBonus | TwoPenalty => 3,
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@ -249,7 +268,7 @@ fn roll_regular_dice<R: DieRoller>(roll: &DiceRoll, roller: &mut R) -> RolledDic
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.map(|_| roll_percentile_dice(roller, unit_roll))
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.collect();
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let num_rolled = match roll.modifier {
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let num_rolled = match modifier {
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Normal => rolls.first(),
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OneBonus | TwoBonus => rolls.iter().min(),
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OnePenalty | TwoPenalty => rolls.iter().max(),
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@ -257,9 +276,8 @@ fn roll_regular_dice<R: DieRoller>(roll: &DiceRoll, roller: &mut R) -> RolledDic
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.unwrap();
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RolledDice {
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modifier: roll.modifier,
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num_rolled: *num_rolled,
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target: roll.target,
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target: target,
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}
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}
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@ -287,7 +305,6 @@ fn roll_advancement_dice<R: DieRoller>(
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}
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}
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impl DiceRoll {
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/// Make a roll with a target number and potential modifier. In a
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/// normal roll, only one percentile die is rolled (1d100). With
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/// bonuses or penalties, more dice are rolled, and either the lowest
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@ -296,10 +313,21 @@ impl DiceRoll {
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/// rolled separately from the tens place, and then the unit number is
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/// added to each potential roll before picking the lowest/highest
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/// result.
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pub fn roll(&self) -> RolledDice {
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pub async fn regular_roll(
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roll_with_ctx: &DiceRollWithContext<'_>,
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) -> Result<ExecutedDiceRoll, BotError> {
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let target =
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crate::dice::calculate_dice_amount(&roll_with_ctx.0.amounts, roll_with_ctx.1).await?;
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let target = u32::try_from(target).map_err(|_| DiceRollingError::InvalidAmount)?;
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let mut roller = RngDieRoller(rand::thread_rng());
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roll_regular_dice(&self, &mut roller)
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}
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let rolled_dice = roll_regular_dice(&roll_with_ctx.0.modifier, target, &mut roller);
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Ok(ExecutedDiceRoll {
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target: target,
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modifier: roll_with_ctx.0.modifier,
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roll: rolled_dice,
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})
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}
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impl AdvancementRoll {
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@ -312,6 +340,8 @@ impl AdvancementRoll {
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::db::Database;
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use crate::parser::{Amount, Element, Operator};
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/// Generate a series of numbers manually for testing. For this
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/// die system, the first roll in the Vec should be the unit roll,
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@ -339,195 +369,141 @@ mod tests {
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}
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}
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#[test]
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fn regular_roll_succeeds_when_below_target() {
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#[tokio::test]
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async fn regular_roll_converts_u32_safely() {
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let roll = DiceRoll {
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target: 50,
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amounts: vec![Amount {
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operator: Operator::Plus,
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element: Element::Number(-10),
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}],
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modifier: DiceRollModifier::Normal,
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};
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let db = Database::new_temp().unwrap();
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let ctx = Context::new(&db, "roomid", "username", "message");
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let roll_with_ctx = DiceRollWithContext(&roll, &ctx);
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let result = regular_roll(&roll_with_ctx).await;
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assert!(result.is_err());
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assert!(matches!(
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result,
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Err(BotError::DiceRollingError(DiceRollingError::InvalidAmount))
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));
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}
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#[test]
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fn regular_roll_succeeds_when_below_target() {
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//Roll 30, succeeding.
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let mut roller = SequentialDieRoller::new(vec![0, 3]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::Normal, 50, &mut roller);
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assert_eq!(RollResult::Success, rolled.result());
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}
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#[test]
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fn regular_roll_hard_success_when_rolling_half() {
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let roll = DiceRoll {
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target: 50,
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modifier: DiceRollModifier::Normal,
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};
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//Roll 25, succeeding.
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let mut roller = SequentialDieRoller::new(vec![5, 2]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::Normal, 50, &mut roller);
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assert_eq!(RollResult::HardSuccess, rolled.result());
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}
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#[test]
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fn regular_roll_extreme_success_when_rolling_one_fifth() {
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let roll = DiceRoll {
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target: 50,
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modifier: DiceRollModifier::Normal,
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};
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//Roll 10, succeeding extremely.
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let mut roller = SequentialDieRoller::new(vec![0, 1]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::Normal, 50, &mut roller);
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assert_eq!(RollResult::ExtremeSuccess, rolled.result());
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}
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#[test]
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fn regular_roll_extreme_success_target_above_100() {
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let roll = DiceRoll {
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target: 150,
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modifier: DiceRollModifier::Normal,
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};
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//Roll 30, succeeding extremely.
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let mut roller = SequentialDieRoller::new(vec![0, 3]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::Normal, 150, &mut roller);
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assert_eq!(RollResult::ExtremeSuccess, rolled.result());
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}
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#[test]
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fn regular_roll_critical_success_on_one() {
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let roll = DiceRoll {
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target: 50,
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modifier: DiceRollModifier::Normal,
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};
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//Roll 1.
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let mut roller = SequentialDieRoller::new(vec![1, 0]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::Normal, 50, &mut roller);
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assert_eq!(RollResult::CriticalSuccess, rolled.result());
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}
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#[test]
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fn regular_roll_fail_when_above_target() {
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let roll = DiceRoll {
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target: 50,
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modifier: DiceRollModifier::Normal,
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};
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//Roll 60.
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let mut roller = SequentialDieRoller::new(vec![0, 6]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::Normal, 50, &mut roller);
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assert_eq!(RollResult::Failure, rolled.result());
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}
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#[test]
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fn regular_roll_is_fumble_when_skill_below_50_and_roll_at_least_96() {
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let roll = DiceRoll {
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target: 49,
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modifier: DiceRollModifier::Normal,
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};
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//Roll 96.
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let mut roller = SequentialDieRoller::new(vec![6, 9]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::Normal, 49, &mut roller);
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assert_eq!(RollResult::Fumble, rolled.result());
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}
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#[test]
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fn regular_roll_is_failure_when_skill_at_or_above_50_and_roll_at_least_96() {
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let roll = DiceRoll {
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target: 50,
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modifier: DiceRollModifier::Normal,
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};
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//Roll 96.
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let mut roller = SequentialDieRoller::new(vec![6, 9]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::Normal, 50, &mut roller);
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assert_eq!(RollResult::Failure, rolled.result());
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let roll = DiceRoll {
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target: 68,
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modifier: DiceRollModifier::Normal,
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};
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//Roll 96.
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let mut roller = SequentialDieRoller::new(vec![6, 9]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::Normal, 68, &mut roller);
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assert_eq!(RollResult::Failure, rolled.result());
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}
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#[test]
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fn regular_roll_always_fumble_on_100() {
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let roll = DiceRoll {
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target: 100,
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modifier: DiceRollModifier::Normal,
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};
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//Roll 100.
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let mut roller = SequentialDieRoller::new(vec![0, 0]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::Normal, 100, &mut roller);
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assert_eq!(RollResult::Fumble, rolled.result());
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}
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#[test]
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fn one_penalty_picks_highest_of_two() {
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let roll = DiceRoll {
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target: 50,
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modifier: DiceRollModifier::OnePenalty,
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};
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//Should only roll 30 and 40, not 50.
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let mut roller = SequentialDieRoller::new(vec![0, 3, 4, 5]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::OnePenalty, 50, &mut roller);
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assert_eq!(40, rolled.num_rolled);
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}
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#[test]
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fn two_penalty_picks_highest_of_three() {
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let roll = DiceRoll {
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target: 50,
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modifier: DiceRollModifier::TwoPenalty,
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};
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//Should only roll 30, 40, 50, and not 60.
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let mut roller = SequentialDieRoller::new(vec![0, 3, 4, 5, 6]);
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let rolled = roll_regular_dice(&roll, &mut roller);
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let rolled = roll_regular_dice(&DiceRollModifier::TwoPenalty, 50, &mut roller);
|
||||
assert_eq!(50, rolled.num_rolled);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn one_bonus_picks_lowest_of_two() {
|
||||
let roll = DiceRoll {
|
||||
target: 50,
|
||||
modifier: DiceRollModifier::OneBonus,
|
||||
};
|
||||
|
||||
//Should only roll 30 and 40, not 20.
|
||||
let mut roller = SequentialDieRoller::new(vec![0, 3, 4, 2]);
|
||||
let rolled = roll_regular_dice(&roll, &mut roller);
|
||||
let rolled = roll_regular_dice(&DiceRollModifier::OneBonus, 50, &mut roller);
|
||||
assert_eq!(30, rolled.num_rolled);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn two_bonus_picks_lowest_of_three() {
|
||||
let roll = DiceRoll {
|
||||
target: 50,
|
||||
modifier: DiceRollModifier::TwoBonus,
|
||||
};
|
||||
|
||||
//Should only roll 30, 40, 50, and not 20.
|
||||
let mut roller = SequentialDieRoller::new(vec![0, 3, 4, 5, 2]);
|
||||
let rolled = roll_regular_dice(&roll, &mut roller);
|
||||
let rolled = roll_regular_dice(&DiceRollModifier::TwoBonus, 50, &mut roller);
|
||||
assert_eq!(30, rolled.num_rolled);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn normal_modifier_rolls_once() {
|
||||
let roll = DiceRoll {
|
||||
target: 50,
|
||||
modifier: DiceRollModifier::Normal,
|
||||
};
|
||||
|
||||
//Should only roll 30, not 40.
|
||||
let mut roller = SequentialDieRoller::new(vec![0, 3, 4]);
|
||||
let rolled = roll_regular_dice(&roll, &mut roller);
|
||||
let rolled = roll_regular_dice(&DiceRollModifier::Normal, 50, &mut roller);
|
||||
assert_eq!(30, rolled.num_rolled);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -3,33 +3,40 @@ use crate::parser::DiceParsingError;
|
|||
|
||||
//TOOD convert these to use parse_amounts from the common dice code.
|
||||
|
||||
fn parse_modifier(input: &str) -> Result<(DiceRollModifier, &str), DiceParsingError> {
|
||||
fn parse_modifier(input: &str) -> Result<DiceRollModifier, DiceParsingError> {
|
||||
if input.ends_with("bb") {
|
||||
Ok((DiceRollModifier::TwoBonus, input.trim_end_matches("bb")))
|
||||
Ok(DiceRollModifier::TwoBonus)
|
||||
} else if input.ends_with("b") {
|
||||
Ok((DiceRollModifier::OneBonus, input.trim_end_matches("b")))
|
||||
Ok(DiceRollModifier::OneBonus)
|
||||
} else if input.ends_with("pp") {
|
||||
Ok((DiceRollModifier::TwoPenalty, input.trim_end_matches("pp")))
|
||||
Ok(DiceRollModifier::TwoPenalty)
|
||||
} else if input.ends_with("p") {
|
||||
Ok((DiceRollModifier::OnePenalty, input.trim_end_matches("p")))
|
||||
Ok(DiceRollModifier::OnePenalty)
|
||||
} else {
|
||||
Ok((DiceRollModifier::Normal, input))
|
||||
Ok(DiceRollModifier::Normal)
|
||||
}
|
||||
}
|
||||
|
||||
//Make diceroll take a vec of Amounts
|
||||
//Split based on :, send first part to parse_modifier.
|
||||
//Send second part to parse_amounts
|
||||
|
||||
pub fn parse_regular_roll(input: &str) -> Result<DiceRoll, DiceParsingError> {
|
||||
let input = input.trim();
|
||||
let (modifier, input) = parse_modifier(input)?;
|
||||
let target: u32 = input.parse().map_err(|_| DiceParsingError::InvalidAmount)?;
|
||||
let input: Vec<&str> = input.trim().split(":").collect();
|
||||
|
||||
let (modifiers_str, amounts_str) = match input[..] {
|
||||
[amounts] => Ok(("", amounts)),
|
||||
[modifiers, amounts] => Ok((modifiers, amounts)),
|
||||
_ => Err(DiceParsingError::UnconsumedInput),
|
||||
}?;
|
||||
|
||||
let modifier = parse_modifier(modifiers_str)?;
|
||||
let amounts = crate::parser::parse_amounts(amounts_str)?;
|
||||
|
||||
if target <= 100 {
|
||||
Ok(DiceRoll {
|
||||
target: target,
|
||||
amounts: amounts,
|
||||
modifier: modifier,
|
||||
})
|
||||
} else {
|
||||
Err(DiceParsingError::InvalidAmount)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn parse_advancement_roll(input: &str) -> Result<AdvancementRoll, DiceParsingError> {
|
||||
|
|
@ -49,6 +56,7 @@ pub fn parse_advancement_roll(input: &str) -> Result<AdvancementRoll, DiceParsin
|
|||
mod tests {
|
||||
|
||||
use super::*;
|
||||
use crate::parser::{Amount, Element, Operator};
|
||||
|
||||
#[test]
|
||||
fn regular_roll_accepts_single_number() {
|
||||
|
|
@ -56,7 +64,10 @@ mod tests {
|
|||
assert!(result.is_ok());
|
||||
assert_eq!(
|
||||
DiceRoll {
|
||||
target: 60,
|
||||
amounts: vec![Amount {
|
||||
operator: Operator::Plus,
|
||||
element: Element::Number(60)
|
||||
}],
|
||||
modifier: DiceRollModifier::Normal
|
||||
},
|
||||
result.unwrap()
|
||||
|
|
@ -65,11 +76,14 @@ mod tests {
|
|||
|
||||
#[test]
|
||||
fn regular_roll_accepts_two_bonus() {
|
||||
let result = parse_regular_roll("60bb");
|
||||
let result = parse_regular_roll("bb:60");
|
||||
assert!(result.is_ok());
|
||||
assert_eq!(
|
||||
DiceRoll {
|
||||
target: 60,
|
||||
amounts: vec![Amount {
|
||||
operator: Operator::Plus,
|
||||
element: Element::Number(60)
|
||||
}],
|
||||
modifier: DiceRollModifier::TwoBonus
|
||||
},
|
||||
result.unwrap()
|
||||
|
|
@ -78,11 +92,14 @@ mod tests {
|
|||
|
||||
#[test]
|
||||
fn regular_roll_accepts_one_bonus() {
|
||||
let result = parse_regular_roll("60b");
|
||||
let result = parse_regular_roll("b:60");
|
||||
assert!(result.is_ok());
|
||||
assert_eq!(
|
||||
DiceRoll {
|
||||
target: 60,
|
||||
amounts: vec![Amount {
|
||||
operator: Operator::Plus,
|
||||
element: Element::Number(60)
|
||||
}],
|
||||
modifier: DiceRollModifier::OneBonus
|
||||
},
|
||||
result.unwrap()
|
||||
|
|
@ -91,11 +108,14 @@ mod tests {
|
|||
|
||||
#[test]
|
||||
fn regular_roll_accepts_two_penalty() {
|
||||
let result = parse_regular_roll("60pp");
|
||||
let result = parse_regular_roll("pp:60");
|
||||
assert!(result.is_ok());
|
||||
assert_eq!(
|
||||
DiceRoll {
|
||||
target: 60,
|
||||
amounts: vec![Amount {
|
||||
operator: Operator::Plus,
|
||||
element: Element::Number(60)
|
||||
}],
|
||||
modifier: DiceRollModifier::TwoPenalty
|
||||
},
|
||||
result.unwrap()
|
||||
|
|
@ -104,11 +124,14 @@ mod tests {
|
|||
|
||||
#[test]
|
||||
fn regular_roll_accepts_one_penalty() {
|
||||
let result = parse_regular_roll("60p");
|
||||
let result = parse_regular_roll("p:60");
|
||||
assert!(result.is_ok());
|
||||
assert_eq!(
|
||||
DiceRoll {
|
||||
target: 60,
|
||||
amounts: vec![Amount {
|
||||
operator: Operator::Plus,
|
||||
element: Element::Number(60)
|
||||
}],
|
||||
modifier: DiceRollModifier::OnePenalty
|
||||
},
|
||||
result.unwrap()
|
||||
|
|
@ -121,21 +144,21 @@ mod tests {
|
|||
assert!(parse_regular_roll(" 60").is_ok());
|
||||
assert!(parse_regular_roll(" 60 ").is_ok());
|
||||
|
||||
assert!(parse_regular_roll("60bb ").is_ok());
|
||||
assert!(parse_regular_roll(" 60bb").is_ok());
|
||||
assert!(parse_regular_roll(" 60bb ").is_ok());
|
||||
assert!(parse_regular_roll("bb:60 ").is_ok());
|
||||
assert!(parse_regular_roll(" bb:60").is_ok());
|
||||
assert!(parse_regular_roll(" bb:60 ").is_ok());
|
||||
|
||||
assert!(parse_regular_roll("60b ").is_ok());
|
||||
assert!(parse_regular_roll(" 60b").is_ok());
|
||||
assert!(parse_regular_roll(" 60b ").is_ok());
|
||||
assert!(parse_regular_roll("b:60 ").is_ok());
|
||||
assert!(parse_regular_roll(" b:60").is_ok());
|
||||
assert!(parse_regular_roll(" b:60 ").is_ok());
|
||||
|
||||
assert!(parse_regular_roll("60pp ").is_ok());
|
||||
assert!(parse_regular_roll(" 60pp").is_ok());
|
||||
assert!(parse_regular_roll(" 60pp ").is_ok());
|
||||
assert!(parse_regular_roll("pp:60 ").is_ok());
|
||||
assert!(parse_regular_roll(" pp:60").is_ok());
|
||||
assert!(parse_regular_roll(" pp:60 ").is_ok());
|
||||
|
||||
assert!(parse_regular_roll("60p ").is_ok());
|
||||
assert!(parse_regular_roll(" 60p").is_ok());
|
||||
assert!(parse_regular_roll(" 60p ").is_ok());
|
||||
assert!(parse_regular_roll("p:60 ").is_ok());
|
||||
assert!(parse_regular_roll(" p:60").is_ok());
|
||||
assert!(parse_regular_roll(" p:60 ").is_ok());
|
||||
}
|
||||
|
||||
#[test]
|
||||
|
|
@ -152,21 +175,11 @@ mod tests {
|
|||
assert_eq!(AdvancementRoll { existing_skill: 60 }, result.unwrap());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn regular_roll_rejects_big_numbers() {
|
||||
assert!(parse_regular_roll("3000").is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn advancement_roll_rejects_big_numbers() {
|
||||
assert!(parse_advancement_roll("3000").is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn regular_roll_rejects_invalid_input() {
|
||||
assert!(parse_regular_roll("abc").is_err());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn advancement_roll_rejects_invalid_input() {
|
||||
assert!(parse_advancement_roll("abc").is_err());
|
||||
|
|
|
|||
33
src/dice.rs
33
src/dice.rs
|
|
@ -1,8 +1,41 @@
|
|||
pub mod parser;
|
||||
|
||||
use crate::context::Context;
|
||||
use crate::db::variables::UserAndRoom;
|
||||
use crate::error::BotError;
|
||||
use crate::error::DiceRollingError;
|
||||
use crate::parser::Amount;
|
||||
use crate::parser::Element as NewElement;
|
||||
use futures::stream::{self, StreamExt, TryStreamExt};
|
||||
use std::fmt;
|
||||
use std::ops::{Deref, DerefMut};
|
||||
|
||||
//New hotness
|
||||
pub async fn calculate_dice_amount(amounts: &[Amount], ctx: &Context<'_>) -> Result<i32, BotError> {
|
||||
let stream = stream::iter(amounts);
|
||||
let key = UserAndRoom(&ctx.username, &ctx.room_id);
|
||||
let variables = &ctx.db.variables.get_user_variables(&key)?;
|
||||
|
||||
use DiceRollingError::VariableNotFound;
|
||||
let dice_amount: Result<i32, BotError> = stream
|
||||
.then(|amount| async move {
|
||||
match &amount.element {
|
||||
NewElement::Number(num_dice) => Ok(*num_dice * amount.operator.mult()),
|
||||
NewElement::Variable(variable) => variables
|
||||
.get(variable)
|
||||
.ok_or(VariableNotFound(variable.clone().to_string()))
|
||||
.map(|i| *i)
|
||||
.map_err(|e| e.into()),
|
||||
}
|
||||
})
|
||||
.try_fold(0, |total, num_dice| async move { Ok(total + num_dice) })
|
||||
.await;
|
||||
|
||||
dice_amount
|
||||
}
|
||||
|
||||
//Old stuff, for regular dice rolling. To be moved elsewhere.
|
||||
|
||||
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
|
||||
pub struct Dice {
|
||||
pub(crate) count: u32,
|
||||
|
|
|
|||
15
src/error.rs
15
src/error.rs
|
|
@ -1,4 +1,3 @@
|
|||
use crate::cofd::dice::DiceRollingError;
|
||||
use crate::commands::CommandError;
|
||||
use crate::config::ConfigError;
|
||||
use crate::db::errors::DataError;
|
||||
|
|
@ -50,7 +49,7 @@ pub enum BotError {
|
|||
#[error("command parsing error: {0}")]
|
||||
CommandParsingError(#[from] crate::commands::parser::CommandParsingError),
|
||||
|
||||
#[error("dice pool roll error: {0}")]
|
||||
#[error("dice rolling error: {0}")]
|
||||
DiceRollingError(#[from] DiceRollingError),
|
||||
|
||||
#[error("variable parsing error: {0}")]
|
||||
|
|
@ -68,3 +67,15 @@ pub enum BotError {
|
|||
#[error("database error")]
|
||||
DatabaseErrror(#[from] sled::Error),
|
||||
}
|
||||
|
||||
#[derive(Error, Debug)]
|
||||
pub enum DiceRollingError {
|
||||
#[error("variable not found: {0}")]
|
||||
VariableNotFound(String),
|
||||
|
||||
#[error("invalid amount")]
|
||||
InvalidAmount,
|
||||
|
||||
#[error("dice pool expression too large")]
|
||||
ExpressionTooLarge,
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue