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#![deny(future_incompatible)]
#![deny(nonstandard_style)]
#![deny(rust_2018_idioms)]
#![deny(unsafe_code)]
#![warn(missing_docs)]
#![warn(unused)]
use std::io::{Read, Seek, Write};
mod read;
mod write;
pub use read::{Campaign, ReadCampaignError};
pub use write::{CampaignWriter, WriteCampaignError};
pub type CPXVersion = [u8; 4];
pub const AOE_AOK: CPXVersion = *b"1.00";
pub const AOE1_DE: CPXVersion = *b"1.10";
#[derive(Debug, Clone)]
pub(crate) struct CampaignHeader {
pub(crate) version: CPXVersion,
pub(crate) name: String,
pub(crate) num_scenarios: usize,
}
impl CampaignHeader {
pub(crate) fn new(name: &str) -> Self {
Self {
version: AOE_AOK,
name: name.to_string(),
num_scenarios: 0,
}
}
}
#[derive(Debug, Clone)]
pub struct ScenarioMeta {
pub size: usize,
pub(crate) offset: usize,
pub name: String,
pub filename: String,
}
impl<R> Campaign<R>
where
R: Read + Seek,
{
pub fn write_to<W: Write>(&mut self, output: &mut W) -> Result<(), WriteCampaignError> {
self.write_to_version(output, self.version())
}
pub fn write_to_version<W: Write>(
&mut self,
output: &mut W,
version: CPXVersion,
) -> Result<(), WriteCampaignError> {
let mut writer = CampaignWriter::new(self.name(), output).version(version);
for i in 0..self.len() {
let bytes = self
.by_index_raw(i)
.map_err(|_| WriteCampaignError::NotFoundError(i))?;
match (self.get_name(i), self.get_filename(i)) {
(Some(name), Some(filename)) => {
writer.add_raw(name, filename, bytes);
}
_ => return Err(WriteCampaignError::NotFoundError(i)),
}
}
let _output = writer.flush()?;
Ok(())
}
}
#[cfg(test)]
mod tests {
use super::*;
use std::fs::File;
use std::io::Cursor;
#[test]
fn rebuild_cpx() -> anyhow::Result<()> {
let instream = File::open("./test/campaigns/Armies at War A Combat Showcase.cpn")?;
let mut outstream = vec![];
let mut incpx = Campaign::from(instream)?;
incpx.write_to(&mut outstream)?;
let mut written_cpx = Campaign::from(Cursor::new(outstream))?;
assert_eq!(written_cpx.name(), incpx.name());
assert_eq!(written_cpx.len(), incpx.len());
assert_eq!(written_cpx.by_index_raw(0)?, incpx.by_index_raw(0)?);
Ok(())
}
#[test]
fn rebuild_cpn_de() -> anyhow::Result<()> {
let instream = File::open("./test/campaigns/10 The First Punic War.aoecpn")?;
let mut outstream = vec![];
let mut incpx = Campaign::from(instream)?;
incpx.write_to(&mut outstream)?;
let mut written_cpx = Campaign::from(Cursor::new(outstream))?;
assert_eq!(written_cpx.name(), incpx.name());
assert_eq!(written_cpx.len(), incpx.len());
assert_eq!(written_cpx.version(), incpx.version());
assert_eq!(written_cpx.get_name(0), incpx.get_name(0));
assert_eq!(written_cpx.get_filename(0), incpx.get_filename(0));
assert_eq!(written_cpx.by_index_raw(0)?, incpx.by_index_raw(0)?);
Ok(())
}
}