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use crate::{
    extract::{transmute_field, Extract},
    Event, StateChange, TryExtract,
};

#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};

/// Skill information from an [`Event`] with [`StateChange::SkillInfo`].
#[derive(Debug, Clone)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct SkillInfo {
    pub skill_id: u32,
    pub recharge: f32,
    pub range0: f32,
    pub range1: f32,
    pub tooltip_time: f32,
}

impl Extract for SkillInfo {
    #[inline]
    unsafe fn extract(event: &Event) -> Self {
        let [recharge, range0, range1, tooltip_time] = transmute_field!(event.time as [f32; 4]);
        Self {
            skill_id: event.skill_id,
            recharge,
            range0,
            range1,
            tooltip_time,
        }
    }
}

impl TryExtract for SkillInfo {
    #[inline]
    fn can_extract(event: &Event) -> bool {
        event.get_statechange() == StateChange::SkillInfo
    }
}