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Llywelwyn 2023-08-20 16:49:40 +01:00
parent d1767b5714
commit 46534f1579
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8
src/gamesystem.rs
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@ -1,14 +1,18 @@
use super::{Skill, Skills}; use super::{Skill, Skills};
/// Returns the attribute bonus for a given attribute score, where every 2 points above
/// or below 10 is an additional +1 or -1.
pub fn attr_bonus(value: i32) -> i32 { pub fn attr_bonus(value: i32) -> i32 {
return (value - 10) / 2; return (value - 10) / 2;
} }
/// Returns the number of HP gained per level for a given constitution score.
pub fn hp_per_level(rng: &mut rltk::RandomNumberGenerator, constitution: i32) -> i32 { pub fn hp_per_level(rng: &mut rltk::RandomNumberGenerator, constitution: i32) -> i32 {
return rng.roll_dice(1, 8) + attr_bonus(constitution); return rng.roll_dice(1, 8) + attr_bonus(constitution);
} }
#[allow(dead_code)] #[allow(dead_code)]
/// Returns a total HP roll for a player, based on a given constitution score and level.
pub fn player_hp_at_level(rng: &mut rltk::RandomNumberGenerator, constitution: i32, level: i32) -> i32 { pub fn player_hp_at_level(rng: &mut rltk::RandomNumberGenerator, constitution: i32, level: i32) -> i32 {
let mut total = 10 + attr_bonus(constitution); let mut total = 10 + attr_bonus(constitution);
for _i in 0..level { for _i in 0..level {
@ -17,6 +21,7 @@ pub fn player_hp_at_level(rng: &mut rltk::RandomNumberGenerator, constitution: i
return total; return total;
} }
/// Returns a total HP roll for an NPC, based on a given constitution score and level.
pub fn npc_hp_at_level(rng: &mut rltk::RandomNumberGenerator, constitution: i32, level: i32) -> i32 { pub fn npc_hp_at_level(rng: &mut rltk::RandomNumberGenerator, constitution: i32, level: i32) -> i32 {
if level == 0 { if level == 0 {
return rng.roll_dice(1, 4); return rng.roll_dice(1, 4);
@ -28,10 +33,12 @@ pub fn npc_hp_at_level(rng: &mut rltk::RandomNumberGenerator, constitution: i32,
return total; return total;
} }
/// Returns the number of mana gained per level for a given intelligence score.
pub fn mana_per_level(rng: &mut rltk::RandomNumberGenerator, intelligence: i32) -> i32 { pub fn mana_per_level(rng: &mut rltk::RandomNumberGenerator, intelligence: i32) -> i32 {
return rng.roll_dice(1, 4) + attr_bonus(intelligence); return rng.roll_dice(1, 4) + attr_bonus(intelligence);
} }
/// Returns the number of mana gained per level for a given intelligence score.
pub fn mana_at_level(rng: &mut rltk::RandomNumberGenerator, intelligence: i32, level: i32) -> i32 { pub fn mana_at_level(rng: &mut rltk::RandomNumberGenerator, intelligence: i32, level: i32) -> i32 {
let mut total = 0; let mut total = 0;
for _i in 0..level { for _i in 0..level {
@ -40,6 +47,7 @@ pub fn mana_at_level(rng: &mut rltk::RandomNumberGenerator, intelligence: i32, l
return total; return total;
} }
/// Returns the skill bonus for a given skill, or -4 if the skill is not present.
pub fn skill_bonus(skill: Skill, skills: &Skills) -> i32 { pub fn skill_bonus(skill: Skill, skills: &Skills) -> i32 {
if skills.skills.contains_key(&skill) { if skills.skills.contains_key(&skill) {
return skills.skills[&skill]; return skills.skills[&skill];