Remember whether game is muted

src/config.rs

@@ -0,0 +1,58 @@
+use anyhow::Result;
+use egui::{Color32, Vec2};
+use serde::{Deserialize, Serialize};
+
+use crate::{emulator::SimId, persistence::Persistence, window::DisplayMode};
+
+pub const COLOR_PRESETS: [[Color32; 2]; 3] = [
+    [
+        Color32::from_rgb(0xff, 0x00, 0x00),
+        Color32::from_rgb(0x00, 0xc6, 0xf0),
+    ],
+    [
+        Color32::from_rgb(0x00, 0xb4, 0x00),
+        Color32::from_rgb(0xc8, 0x00, 0xff),
+    ],
+    [
+        Color32::from_rgb(0xb4, 0x9b, 0x00),
+        Color32::from_rgb(0x00, 0x00, 0xff),
+    ],
+];
+
+const fn default_audio_enabled() -> bool {
+    true
+}
+
+#[derive(Serialize, Deserialize, Clone, PartialEq, Eq)]
+pub struct SimConfig {
+    pub display_mode: DisplayMode,
+    pub colors: [Color32; 2],
+    pub dimensions: Vec2,
+    #[serde(default = "default_audio_enabled")]
+    pub audio_enabled: bool,
+}
+
+impl SimConfig {
+    pub fn load(persistence: &Persistence, sim_id: SimId) -> Self {
+        if let Ok(config) = persistence.load_config(config_filename(sim_id)) {
+            return config;
+        }
+        Self {
+            display_mode: DisplayMode::Anaglyph,
+            colors: COLOR_PRESETS[0],
+            dimensions: DisplayMode::Anaglyph.proportions() + Vec2::new(0.0, 22.0),
+            audio_enabled: true,
+        }
+    }
+
+    pub fn save(&self, persistence: &Persistence, sim_id: SimId) -> Result<()> {
+        persistence.save_config(config_filename(sim_id), self)
+    }
+}
+
+fn config_filename(sim_id: SimId) -> &'static str {
+    match sim_id {
+        SimId::Player1 => "config_p1",
+        SimId::Player2 => "config_p2",
+    }
+}