use crate::{
DbcTable, ExtendedLocalizedString, Indexable,
};
use crate::header::{
DbcHeader, HEADER_SIZE, parse_header,
};
use std::io::Write;
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct Faction {
pub rows: Vec<FactionRow>,
}
impl DbcTable for Faction {
type Row = FactionRow;
const FILENAME: &'static str = "Faction.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 != 212 {
return Err(crate::DbcError::InvalidHeader(
crate::InvalidHeaderError::RecordSize {
expected: 212,
actual: header.record_size,
},
));
}
if header.field_count != 53 {
return Err(crate::DbcError::InvalidHeader(
crate::InvalidHeaderError::FieldCount {
expected: 53,
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 string_block = vec![0_u8; header.string_block_size as usize];
b.read_exact(&mut string_block)?;
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 = FactionKey::new(crate::util::read_i32_le(chunk)?);
let reputation_index = crate::util::read_i32_le(chunk)?;
let reputation_race_mask = crate::util::read_array_i32::<4>(chunk)?;
let reputation_class_mask = crate::util::read_array_i32::<4>(chunk)?;
let reputation_base = crate::util::read_array_i32::<4>(chunk)?;
let reputation_flags = crate::util::read_array_i32::<4>(chunk)?;
let parent_faction_id = FactionKey::new(crate::util::read_i32_le(chunk)?.into());
let name_lang = crate::util::read_extended_localized_string(chunk, &string_block)?;
let description_lang = crate::util::read_extended_localized_string(chunk, &string_block)?;
rows.push(FactionRow {
id,
reputation_index,
reputation_race_mask,
reputation_class_mask,
reputation_base,
reputation_flags,
parent_faction_id,
name_lang,
description_lang,
});
}
Ok(Faction { rows, })
}
fn write(&self, b: &mut impl Write) -> Result<(), std::io::Error> {
let header = DbcHeader {
record_count: self.rows.len() as u32,
field_count: 53,
record_size: 212,
string_block_size: self.string_block_size(),
};
b.write_all(&header.write_header())?;
let mut string_index = 1;
for row in &self.rows {
b.write_all(&row.id.id.to_le_bytes())?;
b.write_all(&row.reputation_index.to_le_bytes())?;
for i in row.reputation_race_mask {
b.write_all(&i.to_le_bytes())?;
}
for i in row.reputation_class_mask {
b.write_all(&i.to_le_bytes())?;
}
for i in row.reputation_base {
b.write_all(&i.to_le_bytes())?;
}
for i in row.reputation_flags {
b.write_all(&i.to_le_bytes())?;
}
b.write_all(&(row.parent_faction_id.id as i32).to_le_bytes())?;
b.write_all(&row.name_lang.string_indices_as_array(&mut string_index))?;
b.write_all(&row.description_lang.string_indices_as_array(&mut string_index))?;
}
self.write_string_block(b)?;
Ok(())
}
}
impl Indexable for Faction {
type PrimaryKey = FactionKey;
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)
}
}
impl Faction {
fn write_string_block(&self, b: &mut impl Write) -> Result<(), std::io::Error> {
b.write_all(&[0])?;
for row in &self.rows {
row.name_lang.string_block_as_array(b)?;
row.description_lang.string_block_as_array(b)?;
}
Ok(())
}
fn string_block_size(&self) -> u32 {
let mut sum = 1;
for row in &self.rows {
sum += row.name_lang.string_block_size();
sum += row.description_lang.string_block_size();
}
sum as u32
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Ord, PartialOrd, Hash, Default)]
pub struct FactionKey {
pub id: i32
}
impl FactionKey {
pub const fn new(id: i32) -> Self {
Self { id }
}
}
impl From<u8> for FactionKey {
fn from(v: u8) -> Self {
Self::new(v.into())
}
}
impl From<u16> for FactionKey {
fn from(v: u16) -> Self {
Self::new(v.into())
}
}
impl From<i8> for FactionKey {
fn from(v: i8) -> Self {
Self::new(v.into())
}
}
impl From<i16> for FactionKey {
fn from(v: i16) -> Self {
Self::new(v.into())
}
}
impl From<i32> for FactionKey {
fn from(v: i32) -> Self {
Self::new(v)
}
}
impl TryFrom<u32> for FactionKey {
type Error = u32;
fn try_from(v: u32) -> Result<Self, Self::Error> {
Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
}
}
impl TryFrom<usize> for FactionKey {
type Error = usize;
fn try_from(v: usize) -> Result<Self, Self::Error> {
Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
}
}
impl TryFrom<u64> for FactionKey {
type Error = u64;
fn try_from(v: u64) -> Result<Self, Self::Error> {
Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
}
}
impl TryFrom<i64> for FactionKey {
type Error = i64;
fn try_from(v: i64) -> Result<Self, Self::Error> {
Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
}
}
impl TryFrom<isize> for FactionKey {
type Error = isize;
fn try_from(v: isize) -> Result<Self, Self::Error> {
Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
}
}
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct FactionRow {
pub id: FactionKey,
pub reputation_index: i32,
pub reputation_race_mask: [i32; 4],
pub reputation_class_mask: [i32; 4],
pub reputation_base: [i32; 4],
pub reputation_flags: [i32; 4],
pub parent_faction_id: FactionKey,
pub name_lang: ExtendedLocalizedString,
pub description_lang: ExtendedLocalizedString,
}