mnml/src/combat.rs
2018-08-11 21:54:14 +10:00

160 lines
3.0 KiB
Rust

use rand::prelude::*;
use cryp::Cryp;
struct Turn {
dmg: Roll,
def: Roll,
}
#[derive(Debug)]
enum Attribute {
Dmg,
Def,
}
// impl Attribute {
// pub fn as_str(&self) -> &'static str {
// match self {
// Dmg => "dmg",
// Def => "def",
// }
// }
// }
struct Roll {
value: u64,
roll: u64,
result: u64,
att: Attribute
}
struct Encounter {
mob: Cryp,
success: bool,
}
fn att_roll(value: u64, att: Attribute) -> Roll {
let mut rng = thread_rng();
let roll: u64 = rng.gen();
return Roll { att, value, roll, result: value & roll };
}
fn print_roll(r: &Roll) {
println!("{:?}", r.att);
println!("{:064b} &", r.roll);
println!("{:064b}", r.value);
println!("{:064b} - {:?}", r.result, r.result);
println!("");
}
fn cryp_turn(c: &Cryp) -> Turn {
// println!("{:?}'s turn:", c.name);
let dmg = att_roll(c.dmg, Attribute::Dmg);
let def = att_roll(c.def, Attribute::Def);
// print_roll(&dmg);
// print_roll(&def);
return Turn { dmg, def }
}
fn assign_dmg(plr: &Cryp, opp: &Cryp, plr_t: &Turn, opp_t: &Turn) -> Cryp {
let final_dmg = opp_t.dmg.result.saturating_sub(plr_t.def.result);
let blocked = opp_t.dmg.result.saturating_sub(final_dmg);
let new_stam = plr.stam.saturating_sub(final_dmg);
println!("{:?} deals {:?} dmg to {:?} ({:?} blocked / {:?} hp remaining)"
,opp.name
,final_dmg
,plr.name
,blocked
,new_stam);
return Cryp {
dmg: plr.dmg,
def: plr.def,
stam: new_stam,
xp: plr.xp,
lvl: plr.lvl,
id: plr.id,
name: plr.name.clone()
};
}
fn combat_phase(a: &Cryp, b: &Cryp) -> Vec<Cryp> {
let a_turn = cryp_turn(&a);
let b_turn = cryp_turn(&b);
return vec![
assign_dmg(&a, &b, &a_turn, &b_turn),
assign_dmg(&b, &a, &b_turn, &a_turn),
];
}
pub fn battle(a: &Cryp, b: &Cryp) -> Vec<Cryp> {
let mut cryps = vec![
a.clone(),
b.clone()
];
// println!("battle:",);
// println!("{:?}", cryps[0]);
// println!("{:?}", cryps[1]);
loop {
let combat = combat_phase(&cryps[0], &cryps[1]);
// println!("{:?}", combat);
if combat.iter().any(|c| c.stam == 0) {
return combat;
}
cryps = combat;
}
}
fn pve(plr: &Cryp) -> Encounter {
let mut rng = thread_rng();
let mob_lvl: u8 = rng.gen_range(1, plr.lvl);
let mob = Cryp::new()
.named("bamboo basher".to_string())
.level(mob_lvl)
.create();
let battle = battle(plr, &mob);
let win = battle.iter().any(|c| c.id == plr.id && c.stam > 0);
if win {
return Encounter {
mob: mob,
success: true,
};
}
return Encounter {
mob: mob,
success: false,
};
}
pub fn levelling(mut c: Cryp) -> Cryp {
loop {
let enc = pve(&c);
if !enc.success {
println!("{:?} has been KO'd", c.name);
break c;
}
println!("{:?} rekt {:?}", c.name, enc.mob.name);
c = c.add_xp();
println!("{:?} now has {:?} xp and is lvl {:?}", c.name, c.xp, c.lvl);
if c.lvl == 12 {
break c;
}
continue;
}
}