added basic animation

frontend/src-tauri/Cargo.toml

@@ -27,6 +27,7 @@ rand = "0.9.1"
 tokio = { version = "1.45.1", features = ["macros", "parking_lot", "rt-multi-thread", "time"] }
 zip = { version = "4.0.0", features = ["zstd"] }
 anyhow = "1.0.98"
+futures = "0.3.31"
 
 [features]
 # this feature is used for production builds or when `devPath` points to the filesystem

frontend/src-tauri/src/animator.rs

@@ -1,11 +1,9 @@
 use anyhow::Result;
+use futures::FutureExt;
 use image::{ImageFormat, RgbaImage};
-use std::{env, fs, future::pending, sync::Arc, time::Duration};
+use std::{env, fs, sync::Arc, time::Duration};
 use tokio::time::interval;
-use tokio::{
-    select,
-    time::{Instant, Interval},
-};
+use tokio::{select, time::Interval};
 use zip::ZipArchive;
 
 use crate::{
@@ -16,27 +14,20 @@ use crate::{
 #[derive(Debug, Default)]
 struct AnimationState {
     cursor_index: Option<usize>,
-    loaded_image: Option<RgbaImage>,
-    loaded_particles: Option<Vec<RgbaImage>>,
-}
-
-async fn pend_optional_interval(t: &mut Option<Interval>) -> Instant {
-    if let Some(t) = t {
-        t.tick().await
-    } else {
-        pending::<Instant>().await
-    }
+    frame_timer: Option<Interval>,
+    frame_index: usize,
+    loaded_image: Vec<RgbaImage>,
+    loaded_particles: Vec<Vec<RgbaImage>>,
 }
 
 #[tokio::main]
 pub async fn animate_loop(cursors: Arc<Vec<Cursor>>) -> Result<()> {
     let mut cmds = CURSOR_CMD.subscribe();
     let mut selected: Option<usize> = None;
-    let start = Instant::now();
 
     let mut animation_state = AnimationState::default();
 
-    let mut animation_interval: Option<Interval> = None;
+    let mut animation_interval = interval(Duration::from_secs_f32(1.0 / 30.0));
 
     loop {
         select! {
@@ -48,11 +39,6 @@ pub async fn animate_loop(cursors: Arc<Vec<Cursor>>) -> Result<()> {
                         if i < cursors.len() {
                             selected = Some(i);
                         }
-                        if cursors[i].animation_speed > 0.0 {
-                            animation_interval = Some(interval(Duration::from_secs_f32(1.0/cursors[i].animation_speed)));
-                        }else{
-                            animation_interval = None;
-                        }
                     }
                     crate::CursorCmd::Next => {
                         selected = Some(selected.map(|x| (x + 1) % cursors.len()).unwrap_or(0))
@@ -67,9 +53,7 @@ pub async fn animate_loop(cursors: Arc<Vec<Cursor>>) -> Result<()> {
             CURSOR_CHANGED.send(selected.unwrap_or(0)).ok();
             }
 
-            _ = pend_optional_interval(&mut animation_interval) => {
-                println!("interval {:?}", start.elapsed());
-            }
+            _ = animation_interval.tick() => {}
         }
 
         update_cursor(&mut animation_state, selected, &cursors).await?;
@@ -94,6 +78,10 @@ fn load(path: &str) -> Option<RgbaImage> {
     )
 }
 
+fn load_frames(frames: &Vec<String>) -> Vec<RgbaImage> {
+    frames.iter().map(|x| load(x)).flatten().collect()
+}
+
 async fn update_cursor(
     animation_state: &mut AnimationState,
     selected: Option<usize>,
@@ -104,19 +92,38 @@ async fn update_cursor(
         animation_state.cursor_index = selected;
 
         if let Some(selected) = selected {
-            animation_state.loaded_image = load(&cursors[selected].path);
+            if cursors[selected].animation_speed > 0.0 {
+                animation_state.frame_timer = Some(interval(Duration::from_secs_f32(
+                    1.0 / cursors[selected].animation_speed,
+                )))
+            }
+            animation_state.loaded_image = load_frames(&cursors[selected].frames);
             animation_state.loaded_particles = cursors[selected]
                 .particles
                 .iter()
-                .map(|x| load(&x.path))
+                .map(|x| load_frames(&x.frames))
                 .collect();
 
-            if let Some(i) = &animation_state.loaded_image {
+            if let Some(i) = animation_state.loaded_image.get(0) {
                 set_system_cursor(i)?;
             }
         } else {
             restore_default_cursor()?;
         }
+    } else {
+        if let Some(frame_timer) = &mut animation_state.frame_timer {
+            if frame_timer.tick().now_or_never().is_some() && animation_state.loaded_image.len() > 0
+            {
+                animation_state.frame_index += 1;
+                animation_state.frame_index %= animation_state.loaded_image.len();
+                if let Some(i) = animation_state
+                    .loaded_image
+                    .get(animation_state.frame_index)
+                {
+                    set_system_cursor(i)?;
+                }
+            }
+        }
     }
 
     Ok(())

frontend/src-tauri/src/cursor_def.json

@@ -1,14 +1,21 @@
 [
     {
         "name": "white",
-        "path": "icon.png",
+        
+        "frames": ["icon.png"],
         "animation_speed": 0.0,
         "particles": []
     },
     {
         "name": "red",
-        "path": "red.png",
+        "frames": ["red.png"],
         "animation_speed": 0.0,
         "particles": []
+    },
+    {
+        "name": "flashing",
+        "frames": ["red.png", "icon.png"],
+        "animation_speed": 30.0,
+        "particles": []
     }
 ]

frontend/src-tauri/src/lib.rs

@@ -47,7 +47,7 @@ impl RandomRange {
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct ParticleConfig {
-    path: String,
+    frames: Vec<String>,
     animation_speed: f32,
     gravity_x: RandomRange,
     gravity_y: RandomRange,
@@ -61,7 +61,7 @@ pub struct ParticleConfig {
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Cursor {
     name: String,
-    path: String,
+    frames: Vec<String>,
     animation_speed: f32,
     particles: Vec<ParticleConfig>,
 }