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use serde::{Deserialize, Serialize};
use std::collections::HashMap;
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct DiceResult {
pub expression: String,
pub total: i32,
pub rolls: Vec<Vec<i32>>,
pub details: String,
pub comment: Option<String>,
}
#[derive(Debug, Clone, PartialEq)]
pub struct DiceRoll {
pub count: i32,
pub sides: i32,
pub modifiers: Vec<DiceModifier>,
}
#[derive(Debug, Clone, PartialEq)]
pub enum DiceModifier {
Explode, // !
ExplodeAlias, // e (alias of !)
ExplodeKeepHigh(i32), // KX == explode then keep high X
Reroll(i32), // rX
RerollOnce(i32), // roX
RerollUntil(i32), // RX (until > X; with cap)
RerollAndAdd(i32), // aX (reroll if <= X and add)
KeepAlias(i32), // kX == khX
KeepHigh(i32), // khX
KeepLow(i32), // klX
DropHigh(i32), // dhX
DropLow(i32), // dlX
Unique, // u
Sort, // s (sort results)
Count(i32), // cV (count value V)
}
#[derive(Debug, Clone)]
pub enum Expression {
Number(i32),
DiceRoll(DiceRoll),
Add(Box<Expression>, Box<Expression>),
Subtract(Box<Expression>, Box<Expression>),
Multiply(Box<Expression>, Box<Expression>),
Divide(Box<Expression>, Box<Expression>),
Power(Box<Expression>, Box<Expression>),
Paren(Box<Expression>),
WithComment(Box<Expression>, Option<String>),
}
// TODO: Variable storage
#[derive(Debug, Clone, Default)]
pub struct VariableStore {
pub variables: HashMap<String, i32>,
}
impl VariableStore {
pub fn new() -> Self {
Self {
variables: HashMap::new(),
}
}
pub fn set(&mut self, name: &str, value: i32) {
self.variables.insert(name.to_string(), value);
}
pub fn get(&self, name: &str) -> Option<i32> {
self.variables.get(name).copied()
}
}
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