UI rebuild

crates/rpack_cli/src/lib.rs

@@ -12,6 +12,8 @@ use std::{
 use texture_packer::{TexturePacker, TexturePackerConfig, importer::ImageImporter};
 use thiserror::Error;
 
+pub mod packer;
+
 #[derive(Clone)]
 pub struct Spritesheet {
     pub image_data: DynamicImage,
@@ -79,7 +81,7 @@ where
     prefix
 }
 
-#[derive(Clone, Debug, Default, Copy, Serialize, Deserialize)]
+#[derive(Clone, Debug, Default, Copy, Serialize, Deserialize, PartialEq)]
 #[cfg_attr(
     all(feature = "cli", not(target_arch = "wasm32")),
     derive(clap::ValueEnum)
@@ -105,14 +107,14 @@ impl Display for SaveImageFormat {
 
 /// Errors that can occur while building a `Spritesheet`.
 #[non_exhaustive]
-#[derive(Debug, Error)]
+#[derive(Debug, Error, Clone)]
 pub enum SpritesheetError {
     #[error("Cannot pack image: {0}")]
     CannotPackImage(String),
     #[error("Failed to export tilemap image")]
     FailedToExportImage,
     #[error("could not parse asset: {0}")]
-    ParsingError(#[from] serde_json::Error),
+    ParsingError(String),
     #[error("Failed to pack image into tilemap, tilemap to small")]
     FailedToPackImage,
 }
@@ -138,7 +140,7 @@ impl From<TexturePackerConfig> for SpritesheetBuildConfig {
 impl Spritesheet {
     pub fn build<P>(
         config: impl Into<SpritesheetBuildConfig>,
-        images: &[&ImageFile],
+        images: &[ImageFile],
         filename: P,
     ) -> Result<Self, SpritesheetError>
     where
@@ -185,7 +187,8 @@ impl Spritesheet {
                 .collect(),
         };
         atlas_asset.frames.sort_by(|a, b| a.key.cmp(&b.key));
-        let atlas_asset_json = serde_json::to_value(&atlas_asset)?;
+        let atlas_asset_json = serde_json::to_value(&atlas_asset)
+            .map_err(|e| SpritesheetError::ParsingError(e.to_string()))?;
 
         Ok(Spritesheet {
             image_data,
@@ -266,7 +269,7 @@ impl Spritesheet {
     }
 }
 
-#[derive(Clone, Serialize, Deserialize, Default)]
+#[derive(Clone, Serialize, Deserialize, Default, PartialEq)]
 pub struct TilemapGenerationConfig {
     pub asset_patterns: Vec<String>,
     pub output_path: String,
@@ -372,7 +375,6 @@ impl TilemapGenerationConfig {
                 ImageFile::at_path(f, id)
             })
             .collect();
-        let borrowed_images: Vec<&ImageFile> = images.iter().map(|s| s).collect();
         let atlas_image_path = working_dir.join(format!(
             "{}{}",
             self.output_path,
@@ -384,7 +386,7 @@ impl TilemapGenerationConfig {
             .to_string_lossy()
             .to_string();
         let atlas_config_path = working_dir.join(format!("{}.rpack.json", self.output_path));
-        let spritesheet = Spritesheet::build(self, &borrowed_images, &atlas_filename)?;
+        let spritesheet = Spritesheet::build(self, &images, &atlas_filename)?;
 
         if Path::new(&atlas_config_path).exists() {
             std::fs::remove_file(&atlas_config_path).expect("Could not remove the old file");

crates/rpack_cli/src/packer.rs

@@ -0,0 +1,177 @@
+use std::cmp::max;
+
+use texture_packer::{Rect, TexturePackerConfig};
+
+struct Skyline {
+    pub x: u32,
+    pub y: u32,
+    pub w: u32,
+}
+
+impl Skyline {
+    #[inline(always)]
+    pub fn left(&self) -> u32 {
+        self.x
+    }
+
+    #[inline(always)]
+    pub fn right(&self) -> u32 {
+        self.x + self.w - 1
+    }
+}
+
+pub struct SkylinePacker {
+    config: TexturePackerConfig,
+    border: Rect,
+
+    // the skylines are sorted by their `x` position
+    skylines: Vec<Skyline>,
+}
+
+impl SkylinePacker {
+    pub fn new(config: TexturePackerConfig) -> Self {
+        let skylines = vec![Skyline {
+            x: 0,
+            y: 0,
+            w: config.max_width,
+        }];
+
+        SkylinePacker {
+            config,
+            border: Rect::new(0, 0, config.max_width, config.max_height),
+            skylines,
+        }
+    }
+
+    // return `rect` if rectangle (w, h) can fit the skyline started at `i`
+    pub fn can_put(&self, mut i: usize, w: u32, h: u32) -> Option<Rect> {
+        let mut rect = Rect::new(self.skylines[i].x, 0, w, h);
+        let mut width_left = rect.w;
+        loop {
+            rect.y = max(rect.y, self.skylines[i].y);
+            // the source rect is too large
+            if !self.border.contains(&rect) {
+                return None;
+            }
+            if self.skylines[i].w >= width_left {
+                return Some(rect);
+            }
+            width_left -= self.skylines[i].w;
+            i += 1;
+            assert!(i < self.skylines.len());
+        }
+    }
+
+    pub fn find_skyline(&self, w: u32, h: u32) -> Option<(usize, Rect)> {
+        let mut bottom = std::u32::MAX;
+        let mut width = std::u32::MAX;
+        let mut index = None;
+        let mut rect = Rect::new(0, 0, 0, 0);
+
+        // keep the `bottom` and `width` as small as possible
+        for i in 0..self.skylines.len() {
+            if let Some(r) = self.can_put(i, w, h) {
+                if r.bottom() < bottom || (r.bottom() == bottom && self.skylines[i].w < width) {
+                    bottom = r.bottom();
+                    width = self.skylines[i].w;
+                    index = Some(i);
+                    rect = r;
+                }
+            }
+
+            if self.config.allow_rotation {
+                if let Some(r) = self.can_put(i, h, w) {
+                    if r.bottom() < bottom || (r.bottom() == bottom && self.skylines[i].w < width) {
+                        bottom = r.bottom();
+                        width = self.skylines[i].w;
+                        index = Some(i);
+                        rect = r;
+                    }
+                }
+            }
+        }
+
+        index.map(|x| (x, rect))
+    }
+
+    pub fn split(&mut self, index: usize, rect: &Rect) {
+        let skyline = Skyline {
+            x: rect.left(),
+            y: rect.bottom() + 1,
+            w: rect.w,
+        };
+
+        assert!(skyline.right() <= self.border.right());
+        assert!(skyline.y <= self.border.bottom());
+
+        self.skylines.insert(index, skyline);
+
+        let i = index + 1;
+        while i < self.skylines.len() {
+            assert!(self.skylines[i - 1].left() <= self.skylines[i].left());
+
+            if self.skylines[i].left() <= self.skylines[i - 1].right() {
+                let shrink = self.skylines[i - 1].right() - self.skylines[i].left() + 1;
+                if self.skylines[i].w <= shrink {
+                    self.skylines.remove(i);
+                } else {
+                    self.skylines[i].x += shrink;
+                    self.skylines[i].w -= shrink;
+                    break;
+                }
+            } else {
+                break;
+            }
+        }
+    }
+
+    pub fn merge(&mut self) {
+        let mut i = 1;
+        while i < self.skylines.len() {
+            if self.skylines[i - 1].y == self.skylines[i].y {
+                self.skylines[i - 1].w += self.skylines[i].w;
+                self.skylines.remove(i);
+                i -= 1;
+            }
+            i += 1;
+        }
+    }
+
+    pub fn pack(&mut self, texture_rect: &Rect) -> Option<()> {
+        let mut width = texture_rect.w;
+        let mut height = texture_rect.h;
+
+        width += self.config.texture_padding + self.config.texture_extrusion * 2;
+        height += self.config.texture_padding + self.config.texture_extrusion * 2;
+
+        if let Some((i, mut rect)) = self.find_skyline(width, height) {
+            self.split(i, &rect);
+            self.merge();
+
+            // let rotated = width != rect.w;
+
+            rect.w -= self.config.texture_padding + self.config.texture_extrusion * 2;
+            rect.h -= self.config.texture_padding + self.config.texture_extrusion * 2;
+
+            Some(())
+        } else {
+            None
+        }
+    }
+
+    pub fn can_pack(&self, texture_rect: &Rect) -> bool {
+        if let Some((_, rect)) = self.find_skyline(
+            texture_rect.w + self.config.texture_padding + self.config.texture_extrusion * 2,
+            texture_rect.h + self.config.texture_padding + self.config.texture_extrusion * 2,
+        ) {
+            let skyline = Skyline {
+                x: rect.left(),
+                y: rect.bottom() + 1,
+                w: rect.w,
+            };
+
+            return skyline.right() <= self.border.right() && skyline.y <= self.border.bottom();
+        }
+        false
+    }
+}

crates/rpack_egui/Cargo.toml

@@ -8,9 +8,13 @@ repository = "https://github.com/Leinnan/rpack.git"
 homepage = "https://github.com/Leinnan/rpack"
 license = "MIT OR Apache-2.0"
 
+[features]
+profiler = ["dep:puffin", "dep:puffin_http", "dep:profiling"]
+
 [dependencies]
 egui = "0.32"
 eframe = { version = "0.32", default-features = false, features = [
+    "persistence",
     "accesskit",     # Make egui comptaible with screen readers. NOTE: adds a lot of dependencies.
     "default_fonts", # Embed the default egui fonts.
     "glow",          # Use the glow rendering backend. Alternative: "wgpu".
@@ -27,9 +31,15 @@ egui_extras = { version = "0.32", features = ["all_loaders"] }
 rfd = { version = "0.15", features = [] }
 wasm-bindgen-futures = "0.4"
 anyhow = "1"
+crossbeam = "0.8"
+once_cell = "1"
+futures = "0.3.12"
 
 # native:
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+puffin = {version = "0.19", optional = true}
+puffin_http = {version = "0.16", optional = true}
+profiling = {version = "1.0.16", optional = true, default-features = false , features = ["profile-with-puffin"] }
 env_logger = "0.11"
 rpack_cli = { default-features = false, features = ["config_ext"], path = "../rpack_cli", version = "0.3" }
 

crates/rpack_egui/src/helpers.rs

@@ -42,6 +42,16 @@ impl DroppedFileHelper for std::fs::DirEntry {
         ImageImporter::import_from_file(&self.path()).ok()
     }
 }
+
+impl DroppedFileHelper for (Vec<u8>, String) {
+    fn file_path(&self) -> String {
+        self.1.clone()
+    }
+
+    fn dynamic_image(&self) -> Option<DynamicImage> {
+        ImageImporter::import_from_memory(&self.0).ok()
+    }
+}
 #[cfg(not(target_arch = "wasm32"))]
 impl DroppedFileHelper for PathBuf {
     fn file_path(&self) -> String {
@@ -70,19 +80,10 @@ impl DroppedFileHelper for DroppedFile {
     }
 
     fn dynamic_image(&self) -> Option<DynamicImage> {
-        #[cfg(target_arch = "wasm32")]
-        {
         let bytes = self.bytes.as_ref().clone()?;
 
         ImageImporter::import_from_memory(bytes)
             .ok()
             .map(|r| r.into())
     }
-        #[cfg(not(target_arch = "wasm32"))]
-        {
-            let path = self.path.as_ref()?;
-
-            ImageImporter::import_from_file(path).ok()
-        }
-    }
 }

crates/rpack_egui/src/lib.rs

@@ -4,3 +4,4 @@ mod app;
 mod fonts;
 mod helpers;
 pub use app::Application;
+pub use app::ICON_DATA;

crates/rpack_egui/src/main.rs

@@ -1,10 +1,37 @@
 #![warn(clippy::all, rust_2018_idioms)]
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
 
+#[cfg(all(not(target_arch = "wasm32"), feature = "profiler"))]
+fn start_puffin_server() {
+    puffin::set_scopes_on(true); // tell puffin to collect data
+
+    match puffin_http::Server::new("127.0.0.1:8585") {
+        Ok(puffin_server) => {
+            log::info!("Run:  cargo install puffin_viewer && puffin_viewer --url 127.0.0.1:8585");
+
+            std::process::Command::new("puffin_viewer")
+                .arg("--url")
+                .arg("127.0.0.1:8585")
+                .spawn()
+                .ok();
+
+            // We can store the server if we want, but in this case we just want
+            // it to keep running. Dropping it closes the server, so let's not drop it!
+            #[expect(clippy::mem_forget)]
+            std::mem::forget(puffin_server);
+        }
+        Err(err) => {
+            log::error!("Failed to start puffin server: {err}");
+        }
+    }
+}
+
 // When compiling natively:
 #[cfg(not(target_arch = "wasm32"))]
 fn main() -> eframe::Result<()> {
     env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
+    #[cfg(feature = "profiler")]
+    start_puffin_server();
     let file_arg: Option<String> = if std::env::args().len() > 1 {
         std::env::args().skip(1).next()
     } else {
@@ -13,10 +40,7 @@ fn main() -> eframe::Result<()> {
     let native_options = eframe::NativeOptions {
         viewport: egui::ViewportBuilder::default()
             .with_inner_size([400.0, 300.0])
-            .with_icon(
-                eframe::icon_data::from_png_bytes(include_bytes!("../static/base_icon.png"))
-                    .unwrap_or_default(),
-            )
+            .with_icon(eframe::icon_data::from_png_bytes(rpack_egui::ICON_DATA).unwrap_or_default())
             .with_min_inner_size([400.0, 300.0]),
         ..Default::default()
     };

crates/rpack_egui/static/Info.plist

@@ -22,7 +22,7 @@
             <string>Rpack gen config</string>
             <key>CFBundleTypeExtensions</key>
             <array>
-                <string>rpack_gen.json</string>
+                <string>json</string>
             </array>
             <key>CFBundleTypeRole</key>
             <string>Editor</string>