Struct MobSpawnPositionCheckEvent 

pub struct MobSpawnPositionCheckEvent<'a> {
    pub dimension: &'a str,
    pub kind: &'a str,
    pub reason: SpawnReason,
    pub pos: [f64; 3],
    pub level: LevelRef,
    pub spawner: Option<Spawner>,
    pub mob: UnspawnedMobRef,
    pub result: &'a mut SpawnCheck,
}

What Hooks::mob_spawn_position_check is told. Each field is that hook’s argument of the same name, described in the hook’s doc.

Fields

dimension: &'a str

kind: &'a str

reason: SpawnReason

pos: [f64; 3]

level: LevelRef

spawner: Option<Spawner>

mob: UnspawnedMobRef

result: &'a mut SpawnCheck