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handle glass and alpha cutout

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This commit is contained in:
Robin Appelman 2023-12-12 17:20:39 +01:00
commit 21b4b19e0c
1 changed files with 23 additions and 3 deletions
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26
src/material.rs
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@ -1,5 +1,6 @@
use crate::loader::Loader;
use crate::Error;
use std::str::FromStr;
use steamy_vdf::{Entry, Table};
use three_d::{Color, CpuMaterial, CpuTexture, TextureData};
use tracing::error;
@ -84,12 +85,31 @@ pub fn load_material(
.lookup("$translucent")
.map(|val| val.as_str() == Some("1"))
.unwrap_or_default();
let texture = load_texture(base_texture.as_str(), loader, translucent)?;
let glass = table
.lookup("$surfaceprop")
.map(|val| val.as_str() == Some("glass"))
.unwrap_or_default();
let alpha_test = table
.lookup("$alphatest")
.map(|val| val.as_str() == Some("1"))
.unwrap_or_default();
let texture = load_texture(
base_texture.as_str(),
loader,
translucent | glass | alpha_test,
)?;
let alpha_cutout = table
.lookup("$alphatestreference")
.and_then(Entry::as_str)
.and_then(|val| f32::from_str(val).ok())
.unwrap_or(1.0);
Ok(CpuMaterial {
name: name.into(),
albedo: Color::WHITE,
albedo_texture: Some(texture),
alpha_cutout: alpha_test.then_some(alpha_cutout),
..CpuMaterial::default()
})
}
@ -105,7 +125,7 @@ fn parse_vdf(bytes: &[u8]) -> Result<Table, Error> {
})
}
fn load_texture(name: &str, loader: &Loader, translucent: bool) -> Result<CpuTexture, Error> {
fn load_texture(name: &str, loader: &Loader, alpha: bool) -> Result<CpuTexture, Error> {
let path = format!(
"materials/{}.vtf",
name.trim_end_matches(".vtf").trim_start_matches('/')
@ -113,7 +133,7 @@ fn load_texture(name: &str, loader: &Loader, translucent: bool) -> Result<CpuTex
let mut raw = loader.load(&path)?;
let vtf = VTF::read(&mut raw)?;
let image = vtf.highres_image.decode(0)?;
let texture_data = if translucent {
let texture_data = if alpha {
TextureData::RgbaU8(image.into_rgba8().pixels().map(|pixel| pixel.0).collect())
} else {
TextureData::RgbU8(image.into_rgb8().pixels().map(|pixel| pixel.0).collect())