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