2022-06-11 18:51:37 +00:00
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use crate::static_data::Statistic;
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2022-10-08 11:15:04 +00:00
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use crate::{ValueIdentifiable, ValueIdentifier};
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use std::sync::Arc;
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2022-06-06 11:54:59 +00:00
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2022-07-01 15:07:22 +00:00
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/// A nature is an attribute on a Pokemon that modifies the effective base stats on a Pokemon. They
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/// can have an increased statistic and a decreased statistic, or be neutral.
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#[derive(Debug)]
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pub struct Nature {
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/// A unique identifier so we know what value this is.
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identifier: ValueIdentifier,
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/// The stat that should receive the increased modifier.
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increase_stat: Statistic,
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/// The stat that should receive the decreased modifier.
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decrease_stat: Statistic,
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/// The amount by which the increased stat is multiplied.
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increase_modifier: f32,
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/// The amount by which the decreased stat is multiplied.
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decrease_modifier: f32,
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}
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impl Nature {
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/// Instantiates a new statistic.
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pub fn new(
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increase_stat: Statistic,
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decrease_stat: Statistic,
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increase_modifier: f32,
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decrease_modifier: f32,
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) -> Arc<Self> {
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Arc::new(Self {
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identifier: Default::default(),
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increase_stat,
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decrease_stat,
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increase_modifier,
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decrease_modifier,
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})
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}
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/// The stat that should receive the increased modifier.
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pub fn increased_stat(&self) -> Statistic {
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self.increase_stat
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}
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/// The stat that should receive the decreased modifier.
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pub fn decreased_stat(&self) -> Statistic {
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self.decrease_stat
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}
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/// Calculates the modifier for a given stat. If it's the increased stat, returns the increased
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/// modifier, if it's the decreased stat, returns the decreased modifier. Otherwise returns 1.0
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pub fn get_stat_modifier(&self, stat: Statistic) -> f32 {
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if stat == self.increase_stat && stat != self.decrease_stat {
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self.increase_modifier
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} else if stat == self.decrease_stat && stat != self.increase_stat {
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self.decrease_modifier
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} else {
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1.0
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}
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}
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}
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impl ValueIdentifiable for Nature {
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fn value_identifier(&self) -> ValueIdentifier {
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self.identifier
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}
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}
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