39 lines
1.5 KiB
Rust
39 lines
1.5 KiB
Rust
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// nih-plug: plugins, but rewritten in Rust
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// Copyright (C) 2022 Robbert van der Helm
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//! Utilities for saving a [Plugin]'s state.
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use serde::{Deserialize, Serialize};
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use std::collections::HashMap;
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/// An unnormalized value for a parameter.
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#[derive(Debug, Serialize, Deserialize)]
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#[serde(rename_all = "snake_case")]
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pub(crate) enum ParamValue {
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F32(f32),
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I32(i32),
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}
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/// A plugin's state so it can be restored at a later point.
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#[derive(Debug, Serialize, Deserialize)]
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#[serde(bound(deserialize = "'de: 'static"))]
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pub(crate) struct State {
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/// The plugin's parameter values. These are stored unnormalized. This mean sthe old values will
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/// be recalled when when the parameter's range gets increased. Doing so may still mess with
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/// parmaeter automation though, depending on how the host impelments that.
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pub params: HashMap<&'static str, ParamValue>,
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}
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