save

.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+    "cSpell.words": [
+        "despawn",
+        "Despawns",
+        "Perlin"
+    ]
+}

crates/border-wars/src/main.rs

@@ -1,11 +1,24 @@
 //! The main entry point of the game.
 
 use bevy::prelude::*;
+use border_wars::map::generation::{MapGenerationPlugin, StartMapGeneration};
+use border_wars::map::renderer::RendererPlugin;
 use border_wars::scenes::ScenesPlugin;
+use border_wars::CurrentScene;
 
 fn main() {
     App::new()
         .add_plugins(DefaultPlugins)
         .add_plugins(ScenesPlugin)
+        .add_plugins(MapGenerationPlugin)
+        .add_plugins(RendererPlugin)
+        .add_systems(OnEnter(CurrentScene::Game), gen_map)
         .run();
 }
+
+fn gen_map(mut event: EventWriter<StartMapGeneration>) {
+    event.send(StartMapGeneration {
+        seed: 5667,
+        radius: 5,
+    })
+}

crates/border-wars/src/map/mod.rs

@@ -2,6 +2,7 @@
 
 pub mod generation;
 pub mod hex;
+pub mod renderer;
 
 use bevy::prelude::*;
 

crates/border-wars/src/map/renderer.rs

@@ -0,0 +1,56 @@
+//! All functions related to the rendering of the map.
+
+use bevy::prelude::*;
+
+use super::Tile;
+use crate::map::TilePosition;
+
+/// A plugin to render the map.
+pub struct RendererPlugin;
+
+impl Plugin for RendererPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(Startup, setup_camera).add_systems(
+            Update,
+            render_map.run_if(in_state(crate::CurrentScene::Game)),
+        );
+    }
+}
+
+/// Sets up the camera.
+fn setup_camera(mut commands: Commands) {
+    commands.spawn(Camera2dBundle::default());
+}
+
+impl Tile {
+    /// Returns the texture handle of the tile.
+    pub fn get_texture(&self, asset_server: &AssetServer) -> Handle<Image> {
+        match self {
+            Tile::Grass => asset_server.load("tiles/grass.png"),
+            Tile::Forest => asset_server.load("tiles/forest.png"),
+            Tile::Hill => asset_server.load("tiles/hill.png"),
+        }
+    }
+}
+
+/// Renders the map.
+fn render_map(
+    query: Query<(Entity, &TilePosition, &Tile), Changed<Tile>>,
+    mut commands: Commands,
+    asset_server: Res<AssetServer>,
+) {
+    for (entity, position, tile) in query.iter() {
+        let pixel_position_ratio = position.to_pixel_coordinates();
+        let pixel_position = (50. * pixel_position_ratio.x, pixel_position_ratio.y * 30.);
+
+        commands.entity(entity).insert(SpriteBundle {
+            transform: Transform::from_translation(Vec3 {
+                x: pixel_position.0,
+                y: pixel_position.1,
+                z: 0.,
+            }),
+            texture: tile.get_texture(&*asset_server),
+            ..default()
+        });
+    }
+}