64 lines
1.7 KiB
Rust
64 lines
1.7 KiB
Rust
use std::io::Read;
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#[derive(Debug)]
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pub enum ReadError{
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Roblox(strafesnet_rbx_loader::ReadError),
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Io(std::io::Error),
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UnknownFileFormat,
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}
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impl std::fmt::Display for ReadError{
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fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
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write!(f,"{self:?}")
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}
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}
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impl std::error::Error for ReadError{}
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pub enum DataStructure{
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Roblox(strafesnet_rbx_loader::Dom),
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}
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pub fn read<R:Read>(input:R)->Result<DataStructure,ReadError>{
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let mut buf=std::io::BufReader::new(input);
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let peek=std::io::BufRead::fill_buf(&mut buf).map_err(ReadError::Io)?;
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match &peek[0..4]{
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b"<rob"=>Ok(DataStructure::Roblox(strafesnet_rbx_loader::read(buf).map_err(ReadError::Roblox)?)),
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_=>Err(ReadError::UnknownFileFormat),
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}
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}
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#[derive(Debug)]
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pub enum LoadError{
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ReadError(ReadError),
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File(std::io::Error),
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Io(std::io::Error),
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}
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impl std::fmt::Display for LoadError{
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fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
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write!(f,"{self:?}")
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}
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}
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impl std::error::Error for LoadError{}
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pub fn load(path:&std::path::Path)->Result<(strafesnet_common::map::CompleteMap,strafesnet_deferred_loader::texture::Textures),LoadError>{
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//blocking because it's simpler...
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let file=std::fs::File::open(path).map_err(LoadError::File)?;
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match read(file).map_err(LoadError::ReadError)?{
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DataStructure::Roblox(something)=>{
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let mut legacy_loader=strafesnet_deferred_loader::legacy();
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let map=strafesnet_rbx_loader::convert(&something,|name|{
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match legacy_loader.acquire_texture_id(name){
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Ok(texture_id)=>Some(texture_id),
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Err(e)=>{
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println!("legacy_loader error: {e}");
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None
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},
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}
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});
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let textures=legacy_loader.load_textures().map_err(LoadError::Io)?;
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Ok((map,textures))
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},
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}
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} |