Made experimental UI

experimental/Cargo.toml

@@ -10,6 +10,10 @@ publish = false
 
 [dependencies]
 cz = { path = "../cz/", features = ["png"] }
+eframe = { version = "0.28.1", default-features = false, features = ["wayland", "x11", "accesskit", "default_fonts", "wgpu"] }
+egui_extras = "0.28.1"
+luca_pak = { path = "../luca_pak/" }
+rfd = "0.14.1"
 
 [lints]
 workspace = true

experimental/src/main.rs

@@ -1,10 +1,157 @@
-use std::time::Instant;
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
 
-fn main() {
+use std::path::PathBuf;
-    let mut cz_file = cz::open("test_file.cz3").unwrap();
-    //cz_file.save_as_png("test.png").unwrap();
 
-    cz_file.header_mut().set_version(4).unwrap();
+use eframe::{egui::{self, text::{LayoutJob, TextWrapping}, ColorImage, Image, Rgba, TextBuffer, TextureFilter, TextureHandle, TextureOptions}, epaint::Fonts};
+use luca_pak::{entry::EntryType, header, Pak};
 
-    cz_file.save_as_cz("test_file.cz4").unwrap();
+fn main() -> eframe::Result {
+    let options = eframe::NativeOptions {
+        viewport: egui::ViewportBuilder::default().with_inner_size([1024.0, 800.0]),
+        follow_system_theme: true,
+        ..Default::default()
+    };
+    eframe::run_native(
+        "LUCA PAK Explorer",
+        options,
+        Box::new(|cc| {
+            // This gives us image support:
+            egui_extras::install_image_loaders(&cc.egui_ctx);
+
+            Ok(Box::<PakExplorer>::default())
+        }),
+    )
+}
+
+struct PakExplorer {
+    open_file: Option<Pak>,
+    selected_entry: Option<luca_pak::entry::Entry>,
+    image_texture: Option<egui::TextureHandle>,
+    hex_string: Option<Vec<String>>,
+}
+
+impl Default for PakExplorer {
+    fn default() -> Self {
+        Self {
+            open_file: None,
+            selected_entry: None,
+            image_texture: None,
+            hex_string: None,
+        }
+    }
+}
+
+impl eframe::App for PakExplorer {
+    fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
+        egui::CentralPanel::default().show(ctx, |ui| {
+            ctx.set_pixels_per_point(1.5);
+            ui.heading("PAK File Explorer");
+
+            if ui.button("Open file…").clicked() {
+                if let Some(path) = rfd::FileDialog::new().pick_file() {
+                    let pak = Pak::open(&path).unwrap();
+                    self.open_file = Some(pak);
+                    self.selected_entry = None;
+                    self.image_texture = None;
+                    self.hex_string = None;
+                }
+            }
+
+            ui.separator();
+
+            if let Some(pak) = &self.open_file {
+                ui.label(format!("Opened {}", pak.path().file_name().unwrap().to_string_lossy()));
+                ui.label(format!("Contains {} Entries", pak.entries().len()));
+
+                let selection = if let Some(entry) = &self.selected_entry {
+                    entry.display_name()
+                } else {
+                    "None".to_string()
+                };
+
+                egui::ComboBox::from_id_source("my-combobox")
+                    .selected_text(selection)
+                    .truncate()
+                    .show_ui(ui, |ui|
+                {
+                    ui.selectable_value(&mut self.selected_entry, None, "");
+                    for entry in pak.entries() {
+                        if ui.selectable_value(
+                            &mut self.selected_entry,
+                            Some(entry.clone()),
+                            entry.display_name(),
+                        ).clicked() {
+                            self.image_texture = None;
+                        };
+                    }
+                });
+            } else {
+                ui.centered_and_justified(|ui|
+                    ui.label("No File Opened")
+                );
+            }
+
+            if let Some(entry) = &self.selected_entry {
+                if ui.button("Save entry…").clicked() {
+                    if let Some(path) = rfd::FileDialog::new()
+                        .set_file_name(entry.display_name())
+                        .save_file()
+                    {
+                        entry.save(&path).unwrap();
+                    }
+                }
+                match entry.file_type() {
+                    EntryType::CZ0 | EntryType::CZ1
+                        | EntryType::CZ2 | EntryType::CZ3
+                        | EntryType::CZ4 | EntryType::CZ5 =>
+                    {
+                        if ui.button("Save as PNG…").clicked() {
+                            let mut display_name = entry.display_name();
+                            display_name.push_str(".png");
+                            if let Some(path) = rfd::FileDialog::new()
+                                .set_file_name(display_name)
+                                .save_file()
+                            {
+                                let cz = cz::DynamicCz::decode(&mut std::io::Cursor::new(entry.as_bytes())).unwrap();
+                                cz.save_as_png(&path).unwrap();
+                            }
+                        }
+
+                        ui.separator();
+
+                        let texture: &TextureHandle = self.image_texture.get_or_insert_with(|| {
+                            let cz = cz::DynamicCz::decode(&mut std::io::Cursor::new(entry.as_bytes())).unwrap();
+                            let image = ColorImage::from_rgba_unmultiplied(
+                                [cz.header().width() as usize, cz.header().height() as usize],
+                                cz.as_raw()
+                            );
+                            ui.ctx().load_texture("eventframe", image, TextureOptions {
+                                magnification: TextureFilter::Nearest,
+                                minification: TextureFilter::Linear,
+                                ..Default::default()
+                            })
+                        });
+
+                        ui.centered_and_justified(|ui|
+                            ui.add(
+                                Image::from_texture(texture)
+                                    .show_loading_spinner(true)
+                                    .shrink_to_fit()
+                                    .rounding(2.0)
+                            )
+                        );
+                    }
+                    _ => {
+                        ui.centered_and_justified(|ui|
+                            ui.label("No Preview Available")
+                        );
+                    },
+                }
+            } else {
+                ui.centered_and_justified(|ui|
+                    ui.label("Select an Entry")
+                );
+            }
+        });
+    }
 }

luca_pak/src/entry.rs

@@ -1,12 +1,9 @@
 use std::{
-    error::Error,
+    error::Error, fmt, fs::File, io::{BufWriter, Write}, path::Path
-    fs::File,
-    io::{BufWriter, Write},
-    path::Path,
 };
 
 /// A single file entry in a PAK file
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Entry {
     pub(super) index: usize,
 
@@ -42,18 +39,6 @@ impl Entry {
 
     /// Save an [`Entry`] as its underlying data to a file
     pub fn save<P: ?Sized + AsRef<Path>>(&self, path: &P) -> Result<(), Box<dyn Error>> {
-        let mut path = path.as_ref().to_path_buf();
-        if !path.is_dir() {
-            return Err("Path must be a directory".into());
-        }
-
-        // Save the file to <folder> + <file name>
-        if let Some(name) = &self.name {
-            path.push(name);
-        } else {
-            path.push(&self.id.to_string())
-        }
-
         let mut out_file = BufWriter::new(File::create(path)?);
 
         out_file.write_all(&self.data)?;
@@ -70,4 +55,63 @@ impl Entry {
     pub fn as_bytes(&self) -> &Vec<u8> {
         &self.data
     }
+
+    pub fn display_name(&self) -> String {
+        let mut name = self.name().clone().unwrap_or(self.id().to_string());
+        let entry_type = self.file_type();
+        name.push_str(&entry_type.extension());
+
+        name
+    }
+
+    pub fn file_type(&self) -> EntryType {
+        if self.data[0..2] == [b'C', b'Z'] {
+            match self.data[2] {
+                b'0' => EntryType::CZ0,
+                b'1' => EntryType::CZ1,
+                b'2' => EntryType::CZ2,
+                b'3' => EntryType::CZ3,
+                b'4' => EntryType::CZ4,
+                b'5' => EntryType::CZ5,
+                _ => EntryType::Unknown,
+            }
+        } else if self.data[0..3] == [b'M', b'V', b'T'] {
+            EntryType::MVT
+        } else {
+            EntryType::Unknown
+        }
+    }
+}
+
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum EntryType {
+    CZ0,
+    CZ1,
+    CZ2,
+    CZ3,
+    CZ4,
+    CZ5,
+
+    /// An MVT video file
+    MVT,
+
+    /// Who knows!
+    Unknown,
+}
+
+impl EntryType {
+    /// Get the file extension for the file
+    pub fn extension(&self) -> &'static str {
+        match self {
+            Self::CZ0 => ".cz0",
+            Self::CZ1 => ".cz1",
+            Self::CZ2 => ".cz2",
+            Self::CZ3 => ".cz3",
+            Self::CZ4 => ".cz4",
+            Self::CZ5 => ".cz5",
+            Self::MVT => ".mvt",
+            Self::Unknown => "",
+        }
+    }
 }

luca_pak/src/lib.rs

@@ -1,5 +1,5 @@
-mod entry;
+pub mod entry;
-mod header;
+pub mod header;
 
 use byteorder::{LittleEndian, ReadBytesExt};
 use header::Header;

luca_pak/src/main.rs

@@ -68,7 +68,9 @@ fn main() {
             }
 
             for entry in pak.entries() {
-                entry.save(&output).unwrap();
+                let mut outpath = output.clone();
+                outpath.push(entry.display_name());
+                entry.save(&outpath).unwrap();
             }
         },
         Commands::Replace { batch, name, id, replacement, output } => {