pmd_wan/
animation.rs

1use crate::{AnimationFrame, WanError};
2use std::io::{Read, Write};
3
4/// An [`Animation`] is a set of [`AnimationFrame`], that will be played one after the other, and that would loop most of the time.
5/// The duration between an [`AnimationFrame`] and the next one is contained in the [`AnimationFrame`]
6#[derive(Debug, PartialEq, Eq, Default)]
7pub struct Animation {
8    pub frames: Vec<AnimationFrame>,
9}
10
11impl Animation {
12    pub fn new<F: Read>(file: &mut F) -> Result<Animation, WanError> {
13        let mut frames = Vec::new();
14        loop {
15            let current_frame = AnimationFrame::new(file)?;
16            if current_frame.is_null() {
17                break;
18            }
19            frames.push(current_frame);
20        }
21        Ok(Animation { frames })
22    }
23
24    pub fn len(&self) -> usize {
25        self.frames.len()
26    }
27
28    pub fn is_empty(&self) -> bool {
29        self.len() == 0
30    }
31
32    pub fn write<F: Write>(file: &mut F, animation: &Animation) -> Result<(), WanError> {
33        for frame in &animation.frames {
34            AnimationFrame::write(file, frame)?;
35        }
36        AnimationFrame::write_null(file)?;
37        Ok(())
38    }
39}
pmd_wan/animation.rs

pmd_wan/
animation.rs
