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comparison examples/eclrenderer.rs @ 700:ccb739c5b66c

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examples: factorise file reading into a buffer.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 23 Aug 2019 13:05:48 +0200
parents 7ae576a418ff
children b6c351ca0a35
comparison
equal deleted inserted replaced
699:2a60f12bd5bd 700:ccb739c5b66c
86 86
87 #[uniform(name = "mvp")] 87 #[uniform(name = "mvp")]
88 mvp: Uniform<[[f32; 4]; 4]>, 88 mvp: Uniform<[[f32; 4]; 4]>,
89 } 89 }
90 90
91 fn load_file_into_vec(filename: &str) -> Vec<u8> {
92 let file = File::open(filename).unwrap();
93 let mut file = BufReader::new(file);
94 let mut buf = vec![];
95 file.read_to_end(&mut buf).unwrap();
96 buf
97 }
98
91 fn main() { 99 fn main() {
92 // Parse arguments. 100 // Parse arguments.
93 let args: Vec<_> = env::args().collect(); 101 let args: Vec<_> = env::args().collect();
94 if args.len() != 6 { 102 if args.len() != 6 {
95 eprintln!("Usage: {} <ECL file> <ANM file> <PNG file> <easy|normal|hard|lunatic> <sub number>", args[0]); 103 eprintln!("Usage: {} <ECL file> <ANM file> <PNG file> <easy|normal|hard|lunatic> <sub number>", args[0]);
100 let png_filename = &args[3]; 108 let png_filename = &args[3];
101 let rank: Rank = args[4].parse().expect("rank"); 109 let rank: Rank = args[4].parse().expect("rank");
102 let sub: u16 = args[5].parse().expect("number"); 110 let sub: u16 = args[5].parse().expect("number");
103 111
104 // Open the ECL file. 112 // Open the ECL file.
105 let file = File::open(ecl_filename).unwrap(); 113 let buf = load_file_into_vec(ecl_filename);
106 let mut file = BufReader::new(file);
107 let mut buf = vec![];
108 file.read_to_end(&mut buf).unwrap();
109 let (_, ecl) = Ecl::from_slice(&buf).unwrap(); 114 let (_, ecl) = Ecl::from_slice(&buf).unwrap();
110 115
111 // Open the ANM file. 116 // Open the ANM file.
112 let file = File::open(anm_filename).unwrap(); 117 let buf = load_file_into_vec(anm_filename);
113 let mut file = BufReader::new(file);
114 let mut buf = vec![];
115 file.read_to_end(&mut buf).unwrap();
116 let anm0 = Anm0::from_slice(&buf).unwrap(); 118 let anm0 = Anm0::from_slice(&buf).unwrap();
117 let anm0 = Rc::new(RefCell::new(anm0)); 119 let anm0 = Rc::new(RefCell::new(anm0));
118 120
119 if ecl.subs.len() < sub as usize { 121 if ecl.subs.len() < sub as usize {
120 eprintln!("This ecl doesn’t contain a sub named {}.", sub); 122 eprintln!("This ecl doesn’t contain a sub named {}.", sub);