src/app.rs

@@ -21,7 +21,8 @@ use crate::{
     persistence::Persistence,
     vram::VramLoader,
     window::{
-        AboutWindow, AppWindow, CharacterDataWindow, GameWindow, GdbServerWindow, InputWindow,
+        AboutWindow, AppWindow, BgMapWindow, CharacterDataWindow, GameWindow, GdbServerWindow,
+        InputWindow,
     },
 };
 
@@ -212,6 +213,10 @@ impl ApplicationHandler<UserEvent> for Application {
                 let vram = CharacterDataWindow::new(sim_id);
                 self.open(event_loop, Box::new(vram));
             }
+            UserEvent::OpenBgMap(sim_id) => {
+                let bgmap = BgMapWindow::new(sim_id);
+                self.open(event_loop, Box::new(bgmap));
+            }
             UserEvent::OpenDebugger(sim_id) => {
                 let debugger =
                     GdbServerWindow::new(sim_id, self.client.clone(), self.proxy.clone());
@@ -473,6 +478,7 @@ pub enum UserEvent {
     GamepadEvent(gilrs::Event),
     OpenAbout,
     OpenCharacterData(SimId),
+    OpenBgMap(SimId),
     OpenDebugger(SimId),
     OpenInput,
     OpenPlayer2,

src/window.rs

@@ -1,19 +1,19 @@
 pub use about::AboutWindow;
-pub use character_data::CharacterDataWindow;
 use egui::{Context, ViewportBuilder, ViewportId};
 pub use game::GameWindow;
 pub use gdb::GdbServerWindow;
 pub use input::InputWindow;
+pub use vram::{BgMapWindow, CharacterDataWindow};
 use winit::event::KeyEvent;
 
 use crate::emulator::SimId;
 
 mod about;
-mod character_data;
 mod game;
 mod game_screen;
 mod gdb;
 mod input;
+mod vram;
 
 pub trait AppWindow {
     fn viewport_id(&self) -> ViewportId;

src/window/game.rs

@@ -138,6 +138,12 @@ impl GameWindow {
                     .unwrap();
                 ui.close_menu();
             }
+            if ui.button("Background Maps").clicked() {
+                self.proxy
+                    .send_event(UserEvent::OpenBgMap(self.sim_id))
+                    .unwrap();
+                ui.close_menu();
+            }
         });
         ui.menu_button("About", |ui| {
             self.proxy.send_event(UserEvent::OpenAbout).unwrap();

src/window/vram.rs

@@ -0,0 +1,5 @@
+mod bgmap;
+mod chardata;
+
+pub use bgmap::*;
+pub use chardata::*;

src/window/vram/bgmap.rs

@@ -0,0 +1,29 @@
+use egui::{CentralPanel, Context, ViewportBuilder, ViewportId};
+
+use crate::{emulator::SimId, window::AppWindow};
+
+pub struct BgMapWindow {
+    sim_id: SimId,
+}
+
+impl BgMapWindow {
+    pub fn new(sim_id: SimId) -> Self {
+        Self { sim_id }
+    }
+}
+
+impl AppWindow for BgMapWindow {
+    fn viewport_id(&self) -> ViewportId {
+        ViewportId::from_hash_of(format!("bgmap-{}", self.sim_id))
+    }
+
+    fn initial_viewport(&self) -> ViewportBuilder {
+        ViewportBuilder::default()
+            .with_title(format!("BG Map Data ({})", self.sim_id))
+            .with_inner_size((640.0, 480.0))
+    }
+
+    fn show(&mut self, ctx: &Context) {
+        CentralPanel::default().show(ctx, |ui| ui.label("TODO"));
+    }
+}

src/window/vram/chardata.rs

@@ -7,10 +7,9 @@ use egui_extras::{Column, Size, StripBuilder, TableBuilder};
 use crate::{
     emulator::SimId,
     vram::{VramPalette, VramResource},
+    window::AppWindow,
 };
 
-use super::AppWindow;
-
 pub struct CharacterDataWindow {
     sim_id: SimId,
     palette: VramPalette,