Initial card => tilemap

Cargo.toml

@@ -6,6 +6,7 @@ edition = "2024"
 [dependencies]
 bevy = { version = "0.16.1", features = ["dynamic_linking"] }
 bevy-inspector-egui = "0.33.1"
+bevy_ecs_tilemap = "0.16.0"
 
 [profile.dev]
 opt-level = 1

src/assets.rs

@@ -2,14 +2,14 @@ use bevy::prelude::*;
 use std::path::Path;
 
 pub struct TileImage {
-  name: &'static str,
+  pub name: &'static str,
-  thumbnail_handle: Handle<Image>,
+  pub thumbnail_handle: Handle<Image>,
-  tile_handle: Handle<Image>,
+  pub tile_handle: Handle<Image>,
 }
 
 #[derive(Resource)]
 pub struct AssetLibrary {
-  tile_images: Vec<TileImage>,
+  pub tile_images: Vec<TileImage>,
 }
 
 impl AssetLibrary {
@@ -33,7 +33,8 @@ impl AssetLibrary {
       "corner-sw-3-walls",
       "full-0-walls",
       "full-1-wall",
-      "full-2-walls",
+      "full-2-walls-corner",
+      "full-2-walls-hallway",
       "full-3-walls",
       "full-4-walls",
     ];
@@ -59,6 +60,15 @@ impl AssetLibrary {
     Self { tile_images }
   }
 
+  pub fn get_index(&self, name: &str) -> Option<u32> {
+    self
+      .tile_images
+      .iter()
+      .enumerate()
+      .find(|(_, tile)| tile.name == name)
+      .map(|(index, _)| index as u32)
+  }
+
   pub fn get_thumbnail(&self, name: &str) -> Option<Handle<Image>> {
     self
       .tile_images

src/card.rs

@@ -14,6 +14,25 @@ pub enum Cell {
   Filled,
 }
 
+#[derive(Clone, Copy, Debug)]
+pub struct Walls {
+  pub north: bool,
+  pub east: bool,
+  pub south: bool,
+  pub west: bool,
+}
+
+impl Walls {
+  pub fn new(north: bool, east: bool, south: bool, west: bool) -> Self {
+    Self {
+      north,
+      east,
+      south,
+      west,
+    }
+  }
+}
+
 #[derive(Clone, Copy, Debug)]
 pub enum CutLine {
   VertLeft,
@@ -51,15 +70,15 @@ pub enum RotationDir {
 /// *or may not* be valid, yet.
 #[derive(Clone, Copy, Component, Debug, Default, PartialEq)]
 pub struct Card {
-  cells: [Cell; 9],
+  pub cells: [Cell; 9],
-  nw: bool,
+  pub nw: bool,
-  n: bool,
+  pub n: bool,
-  ne: bool,
+  pub ne: bool,
-  w: bool,
+  pub w: bool,
-  e: bool,
+  pub e: bool,
-  sw: bool,
+  pub sw: bool,
-  s: bool,
+  pub s: bool,
-  se: bool,
+  pub se: bool,
 }
 
 impl Card {

src/game/map.rs

@@ -0,0 +1,439 @@
+use bevy::prelude::*;
+use bevy_ecs_tilemap::prelude::*;
+
+use crate::assets::AssetLibrary;
+use crate::card::{Card, Cell, Walls};
+
+pub fn setup_test_tilemap(mut commands: Commands, assets: Res<AssetLibrary>) {
+  let tilemap_entity = commands.spawn_empty().id();
+  let tilemap_id = TilemapId(tilemap_entity);
+
+  let map_size = TilemapSize { x: 9, y: 9 };
+  let mut tile_storage = TileStorage::empty(map_size);
+
+  let card = Card {
+    cells: [
+      Cell::NW,
+      Cell::Filled,
+      Cell::NE,
+      Cell::Filled,
+      Cell::Filled,
+      Cell::Filled,
+      Cell::SW,
+      Cell::Filled,
+      Cell::SE,
+    ],
+    ..Default::default()
+  };
+
+  add_card_to_tilemap(
+    &card,
+    &assets,
+    TilePos { x: 0, y: 2 },
+    tilemap_id,
+    &mut commands,
+    &mut tile_storage,
+  );
+
+  let tile_size = TilemapTileSize { x: 48.0, y: 48.0 };
+  let grid_size = tile_size.into();
+  let map_type = TilemapType::default();
+
+  let texture_handles = assets
+    .tile_images
+    .iter()
+    .map(|image| image.tile_handle.clone())
+    .collect();
+
+  commands.entity(tilemap_entity).insert(TilemapBundle {
+    grid_size,
+    map_type,
+    size: map_size,
+    storage: tile_storage,
+    texture: TilemapTexture::Vector(texture_handles),
+    tile_size,
+    anchor: TilemapAnchor::BottomLeft,
+    ..Default::default()
+  });
+}
+
+/// Returns a cell description for a tilemap, including the texture index and a flip configuration
+fn get_cell_description(
+  cell: &Cell,
+  walls: &Walls,
+  assets: &AssetLibrary,
+) -> Option<(u32, TileFlip)> {
+  // Filter allowed walls
+  let walls = match cell {
+    Cell::NW => Walls {
+      north: false,
+      east: walls.east,
+      south: walls.south,
+      west: false,
+    },
+    Cell::NE => Walls {
+      north: false,
+      east: false,
+      south: walls.south,
+      west: walls.west,
+    },
+    Cell::SE => Walls {
+      north: walls.north,
+      east: false,
+      south: false,
+      west: walls.west,
+    },
+    Cell::SW => Walls {
+      north: walls.north,
+      east: walls.east,
+      south: false,
+      west: false,
+    },
+    _ => *walls,
+  };
+
+  let wall_count = (if walls.north { 1 } else { 0 })
+    + (if walls.east { 1 } else { 0 })
+    + (if walls.south { 1 } else { 0 })
+    + (if walls.west { 1 } else { 0 });
+
+  match (cell, wall_count) {
+    (Cell::Empty, _) => None,
+    (Cell::NW, 0) => Some((
+      assets.get_index("corner-nw-1-wall").unwrap(),
+      TileFlip::default(),
+    )),
+    (Cell::NW, 1) => {
+      if walls.east {
+        Some((
+          assets.get_index("corner-nw-2-walls-east").unwrap(),
+          TileFlip::default(),
+        ))
+      } else if walls.south {
+        Some((
+          assets.get_index("corner-nw-2-walls-south").unwrap(),
+          TileFlip::default(),
+        ))
+      } else {
+        unreachable!()
+      }
+    }
+    (Cell::NW, 2) => Some((
+      assets.get_index("corner-nw-3-walls").unwrap(),
+      TileFlip::default(),
+    )),
+    (Cell::NE, 0) => Some((
+      assets.get_index("corner-ne-1-wall").unwrap(),
+      TileFlip::default(),
+    )),
+    (Cell::NE, 1) => {
+      if walls.west {
+        Some((
+          assets.get_index("corner-ne-2-walls-west").unwrap(),
+          TileFlip::default(),
+        ))
+      } else if walls.south {
+        Some((
+          assets.get_index("corner-ne-2-walls-south").unwrap(),
+          TileFlip::default(),
+        ))
+      } else {
+        unreachable!()
+      }
+    }
+    (Cell::NE, 2) => Some((
+      assets.get_index("corner-ne-3-walls").unwrap(),
+      TileFlip::default(),
+    )),
+    (Cell::SE, 0) => Some((
+      assets.get_index("corner-se-1-wall").unwrap(),
+      TileFlip::default(),
+    )),
+    (Cell::SE, 1) => {
+      if walls.west {
+        Some((
+          assets.get_index("corner-se-2-walls-west").unwrap(),
+          TileFlip::default(),
+        ))
+      } else if walls.north {
+        Some((
+          assets.get_index("corner-se-2-walls-north").unwrap(),
+          TileFlip::default(),
+        ))
+      } else {
+        unreachable!()
+      }
+    }
+    (Cell::SE, 2) => Some((
+      assets.get_index("corner-se-3-walls").unwrap(),
+      TileFlip::default(),
+    )),
+    (Cell::SW, 0) => Some((
+      assets.get_index("corner-sw-1-wall").unwrap(),
+      TileFlip::default(),
+    )),
+    (Cell::SW, 1) => {
+      if walls.east {
+        Some((
+          assets.get_index("corner-sw-2-walls-east").unwrap(),
+          TileFlip::default(),
+        ))
+      } else if walls.north {
+        Some((
+          assets.get_index("corner-sw-2-walls-north").unwrap(),
+          TileFlip::default(),
+        ))
+      } else {
+        unreachable!()
+      }
+    }
+    (Cell::SW, 2) => Some((
+      assets.get_index("corner-sw-3-walls").unwrap(),
+      TileFlip::default(),
+    )),
+    (Cell::Filled, 0) => Some((
+      assets.get_index("full-0-walls").unwrap(),
+      TileFlip::default(),
+    )),
+    (Cell::Filled, 1) => {
+      if walls.north {
+        Some((
+          assets.get_index("full-1-wall").unwrap(),
+          TileFlip::default(),
+        ))
+      } else if walls.east {
+        Some((
+          assets.get_index("full-1-wall").unwrap(),
+          TileFlip {
+            x: true,
+            y: false,
+            d: true,
+          },
+        ))
+      } else if walls.south {
+        Some((
+          assets.get_index("full-1-wall").unwrap(),
+          TileFlip {
+            x: false,
+            y: true,
+            d: false,
+          },
+        ))
+      } else {
+        // walls.west
+        Some((
+          assets.get_index("full-1-wall").unwrap(),
+          TileFlip {
+            x: false,
+            y: false,
+            d: true,
+          },
+        ))
+      }
+    }
+    (Cell::Filled, 2) => {
+      if walls.west && walls.north {
+        Some((
+          assets.get_index("full-2-walls-corner").unwrap(),
+          TileFlip::default(),
+        ))
+      } else if walls.north && walls.east {
+        Some((
+          assets.get_index("full-2-walls-corner").unwrap(),
+          TileFlip {
+            x: true,
+            y: false,
+            d: false,
+          },
+        ))
+      } else if walls.east && walls.south {
+        Some((
+          assets.get_index("full-2-walls-corner").unwrap(),
+          TileFlip {
+            x: true,
+            y: true,
+            d: false,
+          },
+        ))
+      } else if walls.south && walls.west {
+        Some((
+          assets.get_index("full-2-walls-corner").unwrap(),
+          TileFlip {
+            x: false,
+            y: true,
+            d: false,
+          },
+        ))
+      } else if walls.north && walls.south {
+        Some((
+          assets.get_index("full-2-walls-hallway").unwrap(),
+          TileFlip {
+            x: false,
+            y: false,
+            d: false,
+          },
+        ))
+      } else if walls.east && walls.west {
+        Some((
+          assets.get_index("full-2-walls-hallway").unwrap(),
+          TileFlip {
+            x: false,
+            y: false,
+            d: true,
+          },
+        ))
+      } else {
+        unreachable!()
+      }
+    }
+    (Cell::Filled, 3) => {
+      if !walls.north {
+        Some((
+          assets.get_index("full-3-walls").unwrap(),
+          TileFlip {
+            x: false,
+            y: true,
+            d: true,
+          },
+        ))
+      } else if !walls.east {
+        Some((
+          assets.get_index("full-3-walls").unwrap(),
+          TileFlip::default(),
+        ))
+      } else if !walls.south {
+        Some((
+          assets.get_index("full-3-walls").unwrap(),
+          TileFlip {
+            x: false,
+            y: false,
+            d: true,
+          },
+        ))
+      } else if walls.west {
+        Some((
+          assets.get_index("full-3-walls").unwrap(),
+          TileFlip {
+            x: true,
+            y: false,
+            d: false,
+          },
+        ))
+      } else {
+        unreachable!()
+      }
+    }
+    (Cell::Filled, 4) => Some((
+      assets.get_index("full-4-walls").unwrap(),
+      TileFlip::default(),
+    )),
+    _ => unreachable!(),
+  }
+}
+
+/// Returns an array of cell descriptions, starting from the top right tile and moving right to left, top to bottom
+fn get_card_description(card: &Card, assets: &AssetLibrary) -> [Option<(u32, TileFlip)>; 9] {
+  let mut walls = [
+    Walls::new(true, false, false, true),
+    Walls::new(true, false, false, false),
+    Walls::new(true, true, false, false),
+    Walls::new(false, false, false, true),
+    Walls::new(false, false, false, false),
+    Walls::new(false, true, false, false),
+    Walls::new(false, false, true, true),
+    Walls::new(false, false, true, false),
+    Walls::new(false, true, true, false),
+  ];
+
+  if card.cells[0] == Cell::Empty {
+    walls[1].west = true;
+    walls[3].north = true;
+  }
+  if card.cells[1] == Cell::Empty {
+    walls[0].east = true;
+    walls[2].west = true;
+    walls[4].north = true;
+  }
+  if card.cells[2] == Cell::Empty {
+    walls[1].east = true;
+    walls[5].north = true;
+  }
+  if card.cells[3] == Cell::Empty {
+    walls[0].south = true;
+    walls[4].west = true;
+    walls[6].north = true;
+  }
+  if card.cells[4] == Cell::Empty {
+    walls[1].south = true;
+    walls[3].east = true;
+    walls[5].west = true;
+    walls[7].north = true;
+  }
+  if card.cells[5] == Cell::Empty {
+    walls[2].south = true;
+    walls[4].east = true;
+    walls[8].north = true;
+  }
+  if card.cells[6] == Cell::Empty {
+    walls[7].west = true;
+    walls[3].south = true;
+  }
+  if card.cells[7] == Cell::Empty {
+    walls[6].east = true;
+    walls[8].west = true;
+    walls[4].south = true;
+  }
+  if card.cells[8] == Cell::Empty {
+    walls[7].east = true;
+    walls[5].south = true;
+  }
+
+  card
+    .cells
+    .iter()
+    .zip(walls.iter())
+    .map(|(cell, walls)| get_cell_description(cell, walls, assets))
+    .collect::<Vec<_>>()
+    .try_into()
+    .unwrap()
+}
+
+fn add_card_to_tilemap(
+  card: &Card,
+  assets: &AssetLibrary,
+  top_left: TilePos,
+  tilemap_id: TilemapId,
+  commands: &mut Commands,
+  tile_storage: &mut TileStorage,
+) {
+  get_card_description(card, assets)
+    .iter()
+    .enumerate()
+    .for_each(|(index, desc)| {
+      let dx = (index as u32) % 3;
+      let dy = (index as u32) / 3;
+
+      let position = TilePos {
+        x: top_left.x + dx,
+        y: top_left.y - dy,
+      };
+
+      match desc {
+        Some((texture_index, flip)) => {
+          let tile_entity = commands
+            .spawn(TileBundle {
+              position,
+              tilemap_id,
+              texture_index: TileTextureIndex(*texture_index),
+              flip: *flip,
+              ..Default::default()
+            })
+            .id();
+          tile_storage.set(&position, tile_entity);
+        }
+        None => {
+          tile_storage.remove(&position);
+        }
+      };
+    });
+}

src/game/mod.rs

@@ -1,5 +1,8 @@
 use bevy::prelude::*;
 
+pub mod map;
+pub mod player;
+
 /// Data component for info about the player's current set of cards.
 ///
 /// [`Self::capacity`] is the maximum hand size.

src/game/player.rs

@@ -0,0 +1,28 @@
+use bevy::prelude::*;
+
+#[derive(Component)]
+#[require(Transform)]
+pub struct Player;
+
+pub fn spawn_player(
+  mut commands: Commands,
+  mut meshes: ResMut<Assets<Mesh>>,
+  mut materials: ResMut<Assets<ColorMaterial>>,
+) {
+  let shape = Circle::new(12.0);
+  let mesh = meshes.add(shape);
+
+  let color = Color::srgb(1., 0., 0.);
+  let material = materials.add(color);
+
+  commands.spawn((
+    Player,
+    Mesh2d(mesh),
+    MeshMaterial2d(material),
+    Transform::from_translation(Vec3 {
+      x: 72.,
+      y: 72.,
+      z: 1.,
+    }),
+  ));
+}

src/main.rs

@@ -1,4 +1,5 @@
 use bevy::{color::palettes::css::GREEN, prelude::*, window::WindowResolution};
+use bevy_ecs_tilemap::prelude::*;
 use bevy_inspector_egui::{bevy_egui::EguiPlugin, quick::WorldInspectorPlugin};
 
 use crate::{
@@ -24,12 +25,38 @@ fn main() {
     .add_plugins(EguiPlugin::default())
     .add_plugins(WorldInspectorPlugin::new())
     .add_plugins(widgets::GameUiPlugin)
-    .add_systems(Startup, (setup, assets::load_assets, dummy_machine))
+    .add_plugins(TilemapPlugin)
+    .init_resource::<resources::UiTheme>()
+    .register_type::<resources::UiTheme>()
+    .add_systems(
+      Startup,
+      (
+        setup,
+        assets::load_assets,
+        game::map::setup_test_tilemap,
+        dummy_machine,
+      )
+        .chain(),
+    )
     .run();
 }
 
 fn setup(mut commands: Commands) {
-  commands.spawn(Camera2d);
+  commands.spawn((
+    Camera2d,
+    Projection::Orthographic(OrthographicProjection {
+      scaling_mode: bevy::render::camera::ScalingMode::AutoMin {
+        min_width: 360.0,
+        min_height: 240.0,
+      },
+      ..OrthographicProjection::default_2d()
+    }),
+    Transform::from_translation(Vec3 {
+      x: 72.,
+      y: 72.,
+      z: 0.,
+    }),
+  ));
 }
 
 /// Generic utility for despawning entities that have a given component.