HexoDSP/src/nodes/feedback_filter.rs
2021-08-04 03:58:43 +02:00

55 lines
1.6 KiB
Rust

// Copyright (c) 2021 Weird Constructor <weirdconstructor@gmail.com>
// This file is a part of HexoDSP. Released under GPL-3.0-or-later.
// See README.md and COPYING for details.
use crate::dsp::NodeId;
use super::VisualSamplingFilter;
use std::collections::HashMap;
pub struct FeedbackFilter {
led_filters: HashMap<NodeId, VisualSamplingFilter>,
out_filters: HashMap<(NodeId, u8), VisualSamplingFilter>,
recalc_state: bool,
}
impl FeedbackFilter {
pub fn new() -> Self {
Self {
led_filters: HashMap::new(),
out_filters: HashMap::new(),
recalc_state: true,
}
}
fn get_out_filter_for_node(&mut self, node_id: &NodeId, out: u8)
-> &mut VisualSamplingFilter
{
self.out_filters
.entry((*node_id, out))
.or_insert_with(|| VisualSamplingFilter::new())
}
fn get_led_filter_for_node(&mut self, node_id: &NodeId) -> &mut VisualSamplingFilter {
self.led_filters
.entry(*node_id)
.or_insert_with(|| VisualSamplingFilter::new())
}
pub fn trigger_recalc(&mut self) {
self.recalc_state = !self.recalc_state;
}
pub fn get_led(&mut self, node_id: &NodeId, sample: f32) -> (f32, f32) {
let recalc_state = self.recalc_state;
let filter = self.get_led_filter_for_node(node_id);
filter.get(recalc_state, sample)
}
pub fn get_out(&mut self, node_id: &NodeId, out: u8, sample: f32) -> (f32, f32) {
let recalc_state = self.recalc_state;
let filter = self.get_out_filter_for_node(node_id, out);
filter.get(recalc_state, sample)
}
}