use crate::{
DbcTable, Indexable,
};
use crate::header::{
DbcHeader, HEADER_SIZE, parse_header,
};
use std::io::Write;
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct VideoHardware {
pub rows: Vec<VideoHardwareRow>,
}
impl DbcTable for VideoHardware {
type Row = VideoHardwareRow;
const FILENAME: &'static str = "VideoHardware.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 != 92 {
return Err(crate::DbcError::InvalidHeader(
crate::InvalidHeaderError::RecordSize {
expected: 92,
actual: header.record_size,
},
));
}
if header.field_count != 23 {
return Err(crate::DbcError::InvalidHeader(
crate::InvalidHeaderError::FieldCount {
expected: 23,
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 = VideoHardwareKey::new(crate::util::read_i32_le(chunk)?);
let vendor_id = crate::util::read_i32_le(chunk)?;
let device_id = crate::util::read_i32_le(chunk)?;
let farclip_idx = crate::util::read_i32_le(chunk)?;
let terrain_l_o_d_dist_idx = crate::util::read_i32_le(chunk)?;
let terrain_shadow_l_o_d = crate::util::read_i32_le(chunk)?;
let detail_doodad_density_idx = crate::util::read_i32_le(chunk)?;
let detail_doodad_alpha = crate::util::read_i32_le(chunk)?;
let animating_doodad_idx = crate::util::read_i32_le(chunk)?;
let trilinear = crate::util::read_i32_le(chunk)?;
let num_lights = crate::util::read_i32_le(chunk)?;
let specularity = crate::util::read_i32_le(chunk)?;
let water_l_o_d_idx = crate::util::read_i32_le(chunk)?;
let particle_density_idx = crate::util::read_i32_le(chunk)?;
let unit_draw_dist_idx = crate::util::read_i32_le(chunk)?;
let small_cull_dist_idx = crate::util::read_i32_le(chunk)?;
let resolution_idx = crate::util::read_i32_le(chunk)?;
let base_mip_level = crate::util::read_i32_le(chunk)?;
let ogl_overrides = {
let s = crate::util::get_string_as_vec(chunk, &string_block)?;
String::from_utf8(s)?
};
let d3d_overrides = {
let s = crate::util::get_string_as_vec(chunk, &string_block)?;
String::from_utf8(s)?
};
let fix_lag = crate::util::read_i32_le(chunk)?;
let multisample = crate::util::read_i32_le(chunk)?;
let atlasdisable = crate::util::read_i32_le(chunk)?;
rows.push(VideoHardwareRow {
id,
vendor_id,
device_id,
farclip_idx,
terrain_l_o_d_dist_idx,
terrain_shadow_l_o_d,
detail_doodad_density_idx,
detail_doodad_alpha,
animating_doodad_idx,
trilinear,
num_lights,
specularity,
water_l_o_d_idx,
particle_density_idx,
unit_draw_dist_idx,
small_cull_dist_idx,
resolution_idx,
base_mip_level,
ogl_overrides,
d3d_overrides,
fix_lag,
multisample,
atlasdisable,
});
}
Ok(VideoHardware { rows, })
}
fn write(&self, b: &mut impl Write) -> Result<(), std::io::Error> {
let header = DbcHeader {
record_count: self.rows.len() as u32,
field_count: 23,
record_size: 92,
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.vendor_id.to_le_bytes())?;
b.write_all(&row.device_id.to_le_bytes())?;
b.write_all(&row.farclip_idx.to_le_bytes())?;
b.write_all(&row.terrain_l_o_d_dist_idx.to_le_bytes())?;
b.write_all(&row.terrain_shadow_l_o_d.to_le_bytes())?;
b.write_all(&row.detail_doodad_density_idx.to_le_bytes())?;
b.write_all(&row.detail_doodad_alpha.to_le_bytes())?;
b.write_all(&row.animating_doodad_idx.to_le_bytes())?;
b.write_all(&row.trilinear.to_le_bytes())?;
b.write_all(&row.num_lights.to_le_bytes())?;
b.write_all(&row.specularity.to_le_bytes())?;
b.write_all(&row.water_l_o_d_idx.to_le_bytes())?;
b.write_all(&row.particle_density_idx.to_le_bytes())?;
b.write_all(&row.unit_draw_dist_idx.to_le_bytes())?;
b.write_all(&row.small_cull_dist_idx.to_le_bytes())?;
b.write_all(&row.resolution_idx.to_le_bytes())?;
b.write_all(&row.base_mip_level.to_le_bytes())?;
if !row.ogl_overrides.is_empty() {
b.write_all(&(string_index as u32).to_le_bytes())?;
string_index += row.ogl_overrides.len() + 1;
}
else {
b.write_all(&(0_u32).to_le_bytes())?;
}
if !row.d3d_overrides.is_empty() {
b.write_all(&(string_index as u32).to_le_bytes())?;
string_index += row.d3d_overrides.len() + 1;
}
else {
b.write_all(&(0_u32).to_le_bytes())?;
}
b.write_all(&row.fix_lag.to_le_bytes())?;
b.write_all(&row.multisample.to_le_bytes())?;
b.write_all(&row.atlasdisable.to_le_bytes())?;
}
self.write_string_block(b)?;
Ok(())
}
}
impl Indexable for VideoHardware {
type PrimaryKey = VideoHardwareKey;
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 VideoHardware {
fn write_string_block(&self, b: &mut impl Write) -> Result<(), std::io::Error> {
b.write_all(&[0])?;
for row in &self.rows {
if !row.ogl_overrides.is_empty() { b.write_all(row.ogl_overrides.as_bytes())?; b.write_all(&[0])?; };
if !row.d3d_overrides.is_empty() { b.write_all(row.d3d_overrides.as_bytes())?; b.write_all(&[0])?; };
}
Ok(())
}
fn string_block_size(&self) -> u32 {
let mut sum = 1;
for row in &self.rows {
if !row.ogl_overrides.is_empty() { sum += row.ogl_overrides.len() + 1; };
if !row.d3d_overrides.is_empty() { sum += row.d3d_overrides.len() + 1; };
}
sum as u32
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Ord, PartialOrd, Hash, Default)]
pub struct VideoHardwareKey {
pub id: i32
}
impl VideoHardwareKey {
pub const fn new(id: i32) -> Self {
Self { id }
}
}
impl From<u8> for VideoHardwareKey {
fn from(v: u8) -> Self {
Self::new(v.into())
}
}
impl From<u16> for VideoHardwareKey {
fn from(v: u16) -> Self {
Self::new(v.into())
}
}
impl From<i8> for VideoHardwareKey {
fn from(v: i8) -> Self {
Self::new(v.into())
}
}
impl From<i16> for VideoHardwareKey {
fn from(v: i16) -> Self {
Self::new(v.into())
}
}
impl From<i32> for VideoHardwareKey {
fn from(v: i32) -> Self {
Self::new(v)
}
}
impl TryFrom<u32> for VideoHardwareKey {
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 VideoHardwareKey {
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 VideoHardwareKey {
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 VideoHardwareKey {
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 VideoHardwareKey {
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 VideoHardwareRow {
pub id: VideoHardwareKey,
pub vendor_id: i32,
pub device_id: i32,
pub farclip_idx: i32,
pub terrain_l_o_d_dist_idx: i32,
pub terrain_shadow_l_o_d: i32,
pub detail_doodad_density_idx: i32,
pub detail_doodad_alpha: i32,
pub animating_doodad_idx: i32,
pub trilinear: i32,
pub num_lights: i32,
pub specularity: i32,
pub water_l_o_d_idx: i32,
pub particle_density_idx: i32,
pub unit_draw_dist_idx: i32,
pub small_cull_dist_idx: i32,
pub resolution_idx: i32,
pub base_mip_level: i32,
pub ogl_overrides: String,
pub d3d_overrides: String,
pub fix_lag: i32,
pub multisample: i32,
pub atlasdisable: i32,
}