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use crate::{
match_event,
render::{scroll::Scroll, *},
Canvas, Config, KeyMap, Map, FPS,
};
use std::{
sync::{Arc, RwLock},
thread::sleep_ms,
};
#[derive(Debug)]
pub struct Turn {
pub buffer: Buffer,
pub buffer_size: usize,
pub page_list: PageList,
pub cur: usize, //
pub map: Map,
pub rng: usize,
pub y_step: usize,
pub is_double_page: bool,
pub is_manga: bool,
pub page_max: usize,
pub head: usize,
pub tail: usize,
}
impl Turn {
pub fn from_scroll(scroll: Scroll) -> Self {
Self {
buffer: Buffer::new(),
buffer_size: scroll.buffer_size,
page_list: scroll.page_list,
cur: 1,
map: Map::Stop,
rng: 0,
y_step: scroll.y_step,
page_max: 3,
is_double_page: false,
is_manga: false,
head: 1,
tail: 2,
}
}
pub fn start(
&mut self,
config: &Config,
canvas: &mut Canvas,
keymaps: &[KeyMap],
data: &Data,
arc_task: &AsyncTask,
) {
let mut time_start = std::time::Instant::now();
let mut now = std::time::Instant::now();
let mut ms = 0_u32;
let mut count = 0;
arc_task.try_set_as_todo(0);
arc_task.try_set_as_todo(1);
'l1: while canvas.window.is_open() {
match match_event(canvas.window.get_keys().iter().as_slice(), keymaps) {
Map::Down => {
self.move_down();
}
Map::Up => {
self.move_up();
}
Map::Reset => {
todo!()
}
Map::FullScreen => {
todo!()
}
Map::Left => {
//self.move_left(data);
}
Map::Right => {
//self.move_right(data);
}
Map::Exit => {
println!("EXIT");
// FIXME: Key::Escape
break 'l1;
}
_ => {
//self.mouse_input(canvas, config);
}
}
self.flush(canvas, data, arc_task);
self.map = Map::Stop;
now = std::time::Instant::now();
count = (now - time_start).as_millis() as u32;
time_start = now;
ms = FPS.checked_sub(count / 6).unwrap_or(10);
sleep_ms(ms);
}
}
fn to_next_page(&mut self) {}
fn to_prev_page(&mut self) {}
#[inline(always)]
fn flush(&mut self, canvas: &mut Canvas, data: &Data, arc_task: &AsyncTask) {
// if arc_task.try_flush(&mut self.page_list) {
// //tracing::trace!("try_flush()");
//
// self.buffer.free();
//
// for index in self.head..=self.tail {
// if self.page_list.get_ref(index).flush(&mut self.buffer.data) {
// self.page_list.get_mut(index).to_next_frame();
// } else {
// let _ = arc_task.try_set_as_todo(index);
// //tracing::debug!("todo: {}", index);
//
// self.buffer
// .extend(&self.page_loading[0..self.page_list.get_ref(index).len()]);
// }
//
// //tracing::trace!("{:?}, {:?}", self.map, self.page_list.get_ref(index).resize);
// }
//
// if self.try_free_page(arc_task) {
// //tracing::info!("try_free()");
// }
// }
//
// while self.buffer.len() < self.rng + self.buffer_size {
// self.buffer.extend(&self.page_loading);
// }
//
// canvas.flush(&self.buffer.data[self.rng..self.rng + self.buffer_size]);
}
/// move down
#[inline(always)]
fn move_down(&mut self) {
self.map = Map::Down;
// buffer = &[rng..rng+buffer_size]
if self.rng + self.y_step <= self.buffer_size {
self.rng += self.y_step;
} else {
}
}
/// move up
#[inline(always)]
fn move_up(&mut self) {
self.map = Map::Up;
if self.rng >= self.y_step {
self.rng -= self.y_step;
} else {
self.rng = 0;
};
}
}