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|
use config::File;
use serde::Deserialize;
use structopt::StructOpt;
use crate::error::TracerError;
#[derive(Default, Debug, Deserialize)]
pub struct Screen {
pub height: usize,
pub width: usize,
}
#[derive(Default, Debug, Deserialize)]
pub struct RenderData {
pub samples: usize,
pub max_depth: usize,
pub recurse_depth: usize,
pub scale: usize,
}
#[derive(StructOpt, Debug)]
#[structopt(name = "racer-tracer")]
pub struct Args {
#[structopt(
short = "c",
long = "config",
default_value = "./config.yml",
env = "CONFIG"
)]
pub config: String,
}
#[derive(Default, Debug, Deserialize)]
pub struct Config {
#[serde(default)]
pub preview: RenderData,
#[serde(default)]
pub render: RenderData,
#[serde(default)]
pub screen: Screen,
}
impl Config {
pub fn from_file(file: String) -> Result<Self, TracerError> {
config::Config::builder()
.add_source(File::from(file.as_ref()))
.build()
.map_err(|e| TracerError::Configuration(file.clone(), e.to_string()))?
.try_deserialize()
.map_err(|e| TracerError::Configuration(file, e.to_string()))
}
}
|
