use crate::{
DbcTable, Indexable,
};
use crate::header::{
DbcHeader, HEADER_SIZE, parse_header,
};
use crate::vanilla_tables::spell::SpellKey;
use crate::vanilla_tables::talent_tab::TalentTabKey;
use std::io::Write;
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct Talent {
pub rows: Vec<TalentRow>,
}
impl DbcTable for Talent {
type Row = TalentRow;
const FILENAME: &'static str = "Talent.dbc";
fn rows(&self) -> &[Self::Row] { &self.rows }
fn rows_mut(&mut self) -> &mut [Self::Row] { &mut self.rows }
fn read(b: &mut impl std::io::Read) -> Result<Self, crate::DbcError> {
let mut header = [0_u8; HEADER_SIZE];
b.read_exact(&mut header)?;
let header = parse_header(&header)?;
if header.record_size != 84 {
return Err(crate::DbcError::InvalidHeader(
crate::InvalidHeaderError::RecordSize {
expected: 84,
actual: header.record_size,
},
));
}
if header.field_count != 21 {
return Err(crate::DbcError::InvalidHeader(
crate::InvalidHeaderError::FieldCount {
expected: 21,
actual: header.field_count,
},
));
}
let mut r = vec![0_u8; (header.record_count * header.record_size) as usize];
b.read_exact(&mut r)?;
let mut rows = Vec::with_capacity(header.record_count as usize);
for mut chunk in r.chunks(header.record_size as usize) {
let chunk = &mut chunk;
let id = TalentKey::new(crate::util::read_u32_le(chunk)?);
let tab = TalentTabKey::new(crate::util::read_u32_le(chunk)?.into());
let tier = crate::util::read_i32_le(chunk)?;
let column_index = crate::util::read_i32_le(chunk)?;
let spell_rank = crate::util::read_array_u32::<9>(chunk)?;
let prereq_talents = crate::util::read_array_u32::<3>(chunk)?;
let prereq_ranks = crate::util::read_array_i32::<3>(chunk)?;
let flags = crate::util::read_i32_le(chunk)?;
let required_spell = SpellKey::new(crate::util::read_u32_le(chunk)?.into());
rows.push(TalentRow {
id,
tab,
tier,
column_index,
spell_rank,
prereq_talents,
prereq_ranks,
flags,
required_spell,
});
}
Ok(Talent { rows, })
}
fn write(&self, b: &mut impl Write) -> Result<(), std::io::Error> {
let header = DbcHeader {
record_count: self.rows.len() as u32,
field_count: 21,
record_size: 84,
string_block_size: 1,
};
b.write_all(&header.write_header())?;
for row in &self.rows {
b.write_all(&row.id.id.to_le_bytes())?;
b.write_all(&(row.tab.id as u32).to_le_bytes())?;
b.write_all(&row.tier.to_le_bytes())?;
b.write_all(&row.column_index.to_le_bytes())?;
for i in row.spell_rank {
b.write_all(&i.to_le_bytes())?;
}
for i in row.prereq_talents {
b.write_all(&i.to_le_bytes())?;
}
for i in row.prereq_ranks {
b.write_all(&i.to_le_bytes())?;
}
b.write_all(&row.flags.to_le_bytes())?;
b.write_all(&(row.required_spell.id as u32).to_le_bytes())?;
}
b.write_all(&[0_u8])?;
Ok(())
}
}
impl Indexable for Talent {
type PrimaryKey = TalentKey;
fn get(&self, key: impl TryInto<Self::PrimaryKey>) -> Option<&Self::Row> {
let key = key.try_into().ok()?;
self.rows.iter().find(|a| a.id.id == key.id)
}
fn get_mut(&mut self, key: impl TryInto<Self::PrimaryKey>) -> Option<&mut Self::Row> {
let key = key.try_into().ok()?;
self.rows.iter_mut().find(|a| a.id.id == key.id)
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Ord, PartialOrd, Hash, Default)]
pub struct TalentKey {
pub id: u32
}
impl TalentKey {
pub const fn new(id: u32) -> Self {
Self { id }
}
}
impl From<u8> for TalentKey {
fn from(v: u8) -> Self {
Self::new(v.into())
}
}
impl From<u16> for TalentKey {
fn from(v: u16) -> Self {
Self::new(v.into())
}
}
impl From<u32> for TalentKey {
fn from(v: u32) -> Self {
Self::new(v)
}
}
impl TryFrom<u64> for TalentKey {
type Error = u64;
fn try_from(v: u64) -> Result<Self, Self::Error> {
Ok(TryInto::<u32>::try_into(v).ok().ok_or(v)?.into())
}
}
impl TryFrom<usize> for TalentKey {
type Error = usize;
fn try_from(v: usize) -> Result<Self, Self::Error> {
Ok(TryInto::<u32>::try_into(v).ok().ok_or(v)?.into())
}
}
impl TryFrom<i8> for TalentKey {
type Error = i8;
fn try_from(v: i8) -> Result<Self, Self::Error> {
Ok(TryInto::<u32>::try_into(v).ok().ok_or(v)?.into())
}
}
impl TryFrom<i16> for TalentKey {
type Error = i16;
fn try_from(v: i16) -> Result<Self, Self::Error> {
Ok(TryInto::<u32>::try_into(v).ok().ok_or(v)?.into())
}
}
impl TryFrom<i32> for TalentKey {
type Error = i32;
fn try_from(v: i32) -> Result<Self, Self::Error> {
Ok(TryInto::<u32>::try_into(v).ok().ok_or(v)?.into())
}
}
impl TryFrom<i64> for TalentKey {
type Error = i64;
fn try_from(v: i64) -> Result<Self, Self::Error> {
Ok(TryInto::<u32>::try_into(v).ok().ok_or(v)?.into())
}
}
impl TryFrom<isize> for TalentKey {
type Error = isize;
fn try_from(v: isize) -> Result<Self, Self::Error> {
Ok(TryInto::<u32>::try_into(v).ok().ok_or(v)?.into())
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct TalentRow {
pub id: TalentKey,
pub tab: TalentTabKey,
pub tier: i32,
pub column_index: i32,
pub spell_rank: [u32; 9],
pub prereq_talents: [u32; 3],
pub prereq_ranks: [i32; 3],
pub flags: i32,
pub required_spell: SpellKey,
}