pass to remove issues in cargo check

src/app.rs

@@ -263,11 +263,9 @@ impl eframe::App for DungeonApp {
                 (i.key_pressed(egui::Key::Delete) || i.key_pressed(egui::Key::Backspace))
                     && self.hover_level_idx.is_some()
             });
-            if level_delete_requested {
-                if let Some(level_idx) = self.hover_level_idx {
+            if level_delete_requested && let Some(level_idx) = self.hover_level_idx {
                 self.delete_level(level_idx);
             }
-            }
 
             let resizing = crate::interact::handle_resize(self, ctx, &response, &geometry);
             if !resizing {
@@ -305,7 +303,7 @@ pub fn generate_all_levels(settings: &UiSettings) -> Vec<DungeonLayout> {
     let level_count = if settings.min_levels == settings.max_levels {
         settings.min_levels
     } else {
-        let range_seed = crate::seed::derive_seed(settings.seed, 0x1E_7E_1_u64);
+        let range_seed = crate::seed::derive_seed(settings.seed, 0x0001_E7E1_u64);
         (range_seed as usize % (settings.max_levels - settings.min_levels + 1))
             + settings.min_levels
     };

src/exporter/raster.rs

@@ -5,8 +5,9 @@
  */
 
 use super::types::{
-    BG, BLACK, CORRIDOR, DoorStyle, END_MARKER, ExportGeometry, GRID, MONSTER_MARKER, ROOM, STAIRS,
-    START_MARKER, TRAP_MARKER, WHITE, WINDOW_COLOR, door_render_width, norm_edge,
+    BG, BLACK, CORRIDOR, Cell, CellEdge, DoorStyle, END_MARKER, ExportGeometry, GRID,
+    MONSTER_MARKER, ROOM, STAIRS, START_MARKER, TRAP_MARKER, WHITE, WINDOW_COLOR,
+    door_render_width, norm_edge,
 };
 use super::utils::{collect_scene_data, door_line_points, window_line_points};
 use crate::layout::{AreaMarker, DungeonLayout, Room, Staircase, Window};
@@ -531,9 +532,9 @@ pub fn draw_room_crosshatch(
 pub fn draw_cell_walls(
     pixmap: &mut Pixmap,
     g: &ExportGeometry,
-    cells: &HashSet<(usize, usize)>,
-    connected_edges: Option<&HashSet<((usize, usize), (usize, usize))>>,
-    door_edges: &HashSet<((usize, usize), (usize, usize))>,
+    cells: &HashSet<Cell>,
+    connected_edges: Option<&HashSet<CellEdge>>,
+    door_edges: &HashSet<CellEdge>,
     width: f32,
     color: (u8, u8, u8, u8),
 ) {
@@ -683,6 +684,7 @@ pub fn draw_window(
     draw_line(pixmap, x1, y1, x2, y2, width, color, style);
 }
 
+#[allow(clippy::too_many_arguments)]
 pub fn draw_line(
     pixmap: &mut Pixmap,
     x1: f32,
@@ -705,6 +707,7 @@ pub fn draw_line(
     }
 }
 
+#[allow(clippy::too_many_arguments)]
 pub fn stroke_path(
     pixmap: &mut Pixmap,
     x1: f32,
@@ -725,8 +728,10 @@ pub fn stroke_path(
     let mut paint = Paint::default();
     paint.set_color_rgba8(color.0, color.1, color.2, color.3);
 
-    let mut stroke = Stroke::default();
-    stroke.width = width;
+    let mut stroke = Stroke {
+        width,
+        ..Default::default()
+    };
     if let Some((dash_len, gap_len)) = dash {
         stroke.dash = StrokeDash::new(vec![dash_len, gap_len], 0.0);
     }

src/exporter/svg.rs

@@ -5,8 +5,8 @@
  */
 
 use super::types::{
-    BG, CORRIDOR, END_MARKER, ExportGeometry, GRID, MONSTER_MARKER, ROOM, START_MARKER,
-    TRAP_MARKER, WINDOW_COLOR, door_render_width, norm_edge,
+    BG, CORRIDOR, Cell, CellEdge, END_MARKER, ExportGeometry, GRID, MONSTER_MARKER, ROOM,
+    START_MARKER, TRAP_MARKER, WINDOW_COLOR, door_render_width, norm_edge,
 };
 use super::utils::{collect_scene_data, door_line_points, window_line_points};
 use crate::layout::DungeonLayout;
@@ -256,9 +256,9 @@ pub fn build_svg(layout: &DungeonLayout, settings: &UiSettings) -> String {
 pub fn append_svg_walls(
     out: &mut String,
     g: &ExportGeometry,
-    cells: &HashSet<(usize, usize)>,
-    connected_edges: Option<&HashSet<((usize, usize), (usize, usize))>>,
-    door_edges: &HashSet<((usize, usize), (usize, usize))>,
+    cells: &HashSet<Cell>,
+    connected_edges: Option<&HashSet<CellEdge>>,
+    door_edges: &HashSet<CellEdge>,
     width: f32,
 ) {
     for &(col, row) in cells {

src/exporter/types.rs

@@ -9,6 +9,9 @@ use std::collections::HashSet;
 use std::path::PathBuf;
 use tiny_skia::Rect;
 
+pub type Cell = (usize, usize);
+pub type CellEdge = (Cell, Cell);
+
 pub const BG: (u8, u8, u8, u8) = (24, 24, 26, 255);
 pub const GRID: (u8, u8, u8, u8) = (130, 130, 130, 255);
 pub const ROOM: (u8, u8, u8, u8) = (70, 120, 160, 255);
@@ -105,11 +108,11 @@ impl ExportGeometry {
 
 #[derive(Default)]
 pub struct SceneData {
-    pub corridor_cells: HashSet<(usize, usize)>,
-    pub corridor_edges: HashSet<((usize, usize), (usize, usize))>,
-    pub room_cells: HashSet<(usize, usize)>,
-    pub room_edges: HashSet<((usize, usize), (usize, usize))>,
-    pub door_edges: HashSet<((usize, usize), (usize, usize))>,
+    pub corridor_cells: HashSet<Cell>,
+    pub corridor_edges: HashSet<CellEdge>,
+    pub room_cells: HashSet<Cell>,
+    pub room_edges: HashSet<CellEdge>,
+    pub door_edges: HashSet<CellEdge>,
 }
 
 #[derive(Debug, Clone, Copy)]
@@ -144,15 +147,11 @@ pub struct CompositeExportContext<'a> {
     pub door_width: f32,
 }
 
-pub fn norm_edge(a: (usize, usize), b: (usize, usize)) -> ((usize, usize), (usize, usize)) {
+pub fn norm_edge(a: Cell, b: Cell) -> CellEdge {
     if a <= b { (a, b) } else { (b, a) }
 }
 
-pub fn door_edges_for(
-    door: &Door,
-    cols: usize,
-    rows: usize,
-) -> Vec<((usize, usize), (usize, usize))> {
+pub fn door_edges_for(door: &Door, cols: usize, rows: usize) -> Vec<CellEdge> {
     let mut edges = Vec::new();
     if door.from.0.abs_diff(door.to.0) + door.from.1.abs_diff(door.to.1) != 1 {
         return edges;

src/interact/add_delete.rs

@@ -55,12 +55,12 @@ pub fn handle_add_tool(app: &mut DungeonApp, response: &egui::Response, geometry
                 drag.current_cell = (grid_x.floor() as usize, grid_y.floor() as usize);
             }
 
-            if response.drag_stopped() {
-                if let Some(drag) = app.add_corridor_drag.take() {
+            if response.drag_stopped()
+                && let Some(drag) = app.add_corridor_drag.take()
+            {
                 add_corridor_between(app, drag.start_cell, drag.current_cell);
             }
         }
-        }
         AddTool::Staircase => {
             app.add_corridor_drag = None;
             if response.clicked()

src/interact/mod.rs

@@ -962,12 +962,12 @@ pub fn draw_resize_overlay(app: &DungeonApp, painter: &egui::Painter, geometry:
         if let Some(room) = layout.rooms.get(room_idx) {
             draw_room_resize_visuals(painter, geometry, room, false);
         }
-    } else if let Some(stair_idx) = app.hover_stair_idx {
-        if let Some(stair) = layout.stairs.get(stair_idx) {
+    } else if let Some(stair_idx) = app.hover_stair_idx
+        && let Some(stair) = layout.stairs.get(stair_idx)
+    {
         draw_staircase_resize_visuals(painter, geometry, stair, false);
     }
 }
-}
 
 pub fn draw_room_resize_visuals(
     painter: &egui::Painter,

src/interact/resize.rs

@@ -23,8 +23,10 @@ pub fn handle_resize(
         return false;
     }
 
-    if ctx.input(|i| i.pointer.secondary_pressed()) && app.resize_state.is_none() {
-        if let Some(pointer_pos) = response.interact_pointer_pos() {
+    if ctx.input(|i| i.pointer.secondary_pressed())
+        && app.resize_state.is_none()
+        && let Some(pointer_pos) = response.interact_pointer_pos()
+    {
         if let Some(text_idx) = text_at_pointer(app, pointer_pos, geometry) {
             if let Some(state) = start_text_resize(app, text_idx) {
                 app.push_undo_snapshot();
@@ -37,22 +39,21 @@ pub fn handle_resize(
                 app.resize_state = Some(ResizeState::Staircase(state));
                 return true;
             }
-            } else if let Some(room_idx) = resize_room_at_pointer(app, pointer_pos, geometry) {
-                if let Some(state) = start_resize(app, room_idx, pointer_pos, geometry) {
+        } else if let Some(room_idx) = resize_room_at_pointer(app, pointer_pos, geometry)
+            && let Some(state) = start_resize(app, room_idx, pointer_pos, geometry)
+        {
             app.push_undo_snapshot();
             app.resize_state = Some(ResizeState::Room(state));
             return true;
         }
     }
-        }
-    }
 
     if let Some(state) = app.resize_state.clone() {
         if response.dragged_by(egui::PointerButton::Secondary)
             && ctx.input(|i| i.pointer.secondary_down())
             && let Some(pointer_pos) = response.interact_pointer_pos()
+            && let Some((grid_x, grid_y)) = pointer_to_grid(pointer_pos, geometry)
         {
-            if let Some((grid_x, grid_y)) = pointer_to_grid(pointer_pos, geometry) {
             let cell = (grid_x.floor() as usize, grid_y.floor() as usize);
             match state {
                 ResizeState::Room(state) => resize_room(app, &state, cell),
@@ -60,7 +61,6 @@ pub fn handle_resize(
                 ResizeState::Staircase(state) => resize_staircase(app, &state, cell),
             }
         }
-        }
 
         if ctx.input(|i| i.pointer.button_released(egui::PointerButton::Secondary)) {
             app.resize_state = None;

src/layout/generation/connections.rs

@@ -10,6 +10,10 @@ use super::super::utils::{
 };
 use std::collections::HashSet;
 
+pub type Cell = (usize, usize);
+pub type CellEdge = (Cell, Cell);
+pub type RoomBoundary = (usize, usize, Vec<CellEdge>);
+
 pub fn build_room_connection_edges(
     centers: &[(usize, usize)],
     randomness: f32,
@@ -176,9 +180,7 @@ pub fn room_collision_edges(
     edges
 }
 
-pub fn shared_room_boundaries(
-    rooms: &[Room],
-) -> Vec<(usize, usize, Vec<((usize, usize), (usize, usize))>)> {
+pub fn shared_room_boundaries(rooms: &[Room]) -> Vec<RoomBoundary> {
     let mut boundaries = Vec::new();
     for a_idx in 0..rooms.len() {
         for b_idx in (a_idx + 1)..rooms.len() {

src/layout/generation/markers.rs

@@ -120,6 +120,7 @@ pub fn marker_in_room(
     AreaMarker { cell: (x, y), size }
 }
 
+#[allow(clippy::too_many_arguments)]
 pub fn assign_extra_markers(
     markers: &mut Vec<AreaMarker>,
     rooms: &[Room],
@@ -399,7 +400,7 @@ pub fn get_stair_count(settings: &UiSettings, gap_idx: usize) -> usize {
     if settings.min_stairs_per_level == settings.max_stairs_per_level {
         settings.min_stairs_per_level
     } else {
-        let range_seed = seed::derive_seed(settings.seed, 0x2A_3B_4_u64 + gap_idx as u64);
+        let range_seed = seed::derive_seed(settings.seed, 0x0002_A3B4_u64 + gap_idx as u64);
         (range_seed as usize % (settings.max_stairs_per_level - settings.min_stairs_per_level + 1))
             + settings.min_stairs_per_level
     }
@@ -460,18 +461,14 @@ pub fn ensure_stair_in_room(layout: &mut DungeonLayout, stair: &Staircase) -> bo
 pub fn room_to_stair_min_dist(room: &Room, stair: &Staircase) -> usize {
     let dx = if stair.cell.0 + stair.width <= room.x {
         room.x - (stair.cell.0 + stair.width)
-    } else if stair.cell.0 >= room.x + room.width {
-        stair.cell.0 - (room.x + room.width)
     } else {
-        0
+        stair.cell.0.saturating_sub(room.x + room.width)
     };
 
     let dy = if stair.cell.1 + stair.height <= room.y {
         room.y - (stair.cell.1 + stair.height)
-    } else if stair.cell.1 >= room.y + room.height {
-        stair.cell.1 - (room.y + room.height)
     } else {
-        0
+        stair.cell.1.saturating_sub(room.y + room.height)
     };
 
     dx + dy

src/layout/generation/mod.rs

@@ -18,6 +18,7 @@ pub use markers::*;
 pub use passages::*;
 pub use room_placement::*;
 
+#[allow(clippy::too_many_arguments)]
 pub fn generate_layout(
     cols: usize,
     rows: usize,

src/layout/generation/passages.rs

@@ -44,8 +44,9 @@ pub fn apply_doors(
         let start_room = &layout.rooms[corridor.start_room_id];
         let end_room = &layout.rooms[corridor.end_room_id];
 
-        if let Some(edge) = room_exit_edge(&corridor.path, start_room, true) {
-            if seen_edges.insert(edge) {
+        if let Some(edge) = room_exit_edge(&corridor.path, start_room, true)
+            && seen_edges.insert(edge)
+        {
             let place_door = door_chance > 0.0 && rng.next_f32() <= door_chance;
             layout.doors.push(Door {
                 from: edge.0,
@@ -58,10 +59,10 @@ pub fn apply_doors(
                 manual: false,
             });
         }
-        }
 
-        if let Some(edge) = room_exit_edge(&corridor.path, end_room, false) {
-            if seen_edges.insert(edge) {
+        if let Some(edge) = room_exit_edge(&corridor.path, end_room, false)
+            && seen_edges.insert(edge)
+        {
             let place_door = door_chance > 0.0 && rng.next_f32() <= door_chance;
             layout.doors.push(Door {
                 from: edge.0,
@@ -74,7 +75,6 @@ pub fn apply_doors(
                 manual: false,
             });
         }
-        }
 
         for (room_idx, room) in layout.rooms.iter().enumerate() {
             if room_idx == corridor.start_room_id || room_idx == corridor.end_room_id {
@@ -404,6 +404,7 @@ pub fn collect_window_segments(
     segments
 }
 
+#[allow(clippy::too_many_arguments)]
 pub fn collect_room_side_segments(
     room_idx: usize,
     room: &Room,

src/layout/generation/room_placement.rs

@@ -143,8 +143,8 @@ pub fn placement_order(room_count: usize, room_edges: &[(usize, usize)]) -> Vec<
         }
     }
 
-    for idx in 0..room_count {
-        if !visited[idx] {
+    for (idx, was_visited) in visited.iter().enumerate().take(room_count) {
+        if !was_visited {
             order.push(idx);
         }
     }

src/layout/types.rs

@@ -98,7 +98,7 @@ pub struct WindowSettings {
     pub allow_internal_windows: bool,
 }
 
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Default)]
 pub struct DungeonLayout {
     pub rooms: Vec<Room>,
     pub corridors: Vec<Corridor>,
@@ -113,24 +113,6 @@ pub struct DungeonLayout {
     pub stairs: Vec<Staircase>,
 }
 
-impl Default for DungeonLayout {
-    fn default() -> Self {
-        Self {
-            rooms: Vec::new(),
-            corridors: Vec::new(),
-            doors: Vec::new(),
-            windows: Vec::new(),
-            text_labels: Vec::new(),
-            start_markers: Vec::new(),
-            end_markers: Vec::new(),
-            trap_markers: Vec::new(),
-            monster_markers: Vec::new(),
-            packed_rooms: false,
-            stairs: Vec::new(),
-        }
-    }
-}
-
 impl DungeonLayout {
     // Build an empty layout for the current packing mode.
     pub(crate) fn empty(packed_rooms: bool) -> Self {

src/layout/utils.rs

@@ -218,6 +218,7 @@ pub fn overlaps_with_padding(a: &Room, b: &Room, padding: usize) -> bool {
     a_left < b_right && a_right > b_left && a_top < b_bottom && a_bottom > b_top
 }
 
+#[allow(clippy::too_many_arguments)]
 pub fn rects_overlap(
     ax: usize,
     ay: usize,

src/rendering.rs

@@ -430,6 +430,7 @@ pub fn draw_area_marker(
     );
 }
 
+#[allow(clippy::too_many_arguments)]
 pub fn draw_area_marker_group(
     painter: &egui::Painter,
     geometry: &GridGeometry,