From e131d553d2526edb7cffbe9f4ba48d9c6ae4e44f Mon Sep 17 00:00:00 2001
From: Tom Barrett <tom@tombarrett.xyz>
Date: Sat, 20 Mar 2021 11:17:52 +0100
Subject: draw background

---
 assets/background.png    | Bin 0 -> 3910 bytes
 assets/cosmonaut.png     | Bin 0 -> 1066 bytes
 assets/tileset.png       | Bin 0 -> 2662 bytes
 resources/background.png | Bin 332251 -> 0 bytes
 resources/cosmonaut.png  | Bin 1066 -> 0 bytes
 resources/tileset.png    | Bin 2662 -> 0 bytes
 src/main.rs              |  90 ++++++++++++++++++++++++++++++++++++++++++++---
 7 files changed, 86 insertions(+), 4 deletions(-)
 create mode 100644 assets/background.png
 create mode 100644 assets/cosmonaut.png
 create mode 100644 assets/tileset.png
 delete mode 100644 resources/background.png
 delete mode 100644 resources/cosmonaut.png
 delete mode 100644 resources/tileset.png

diff --git a/assets/background.png b/assets/background.png
new file mode 100644
index 0000000..060989b
Binary files /dev/null and b/assets/background.png differ
diff --git a/assets/cosmonaut.png b/assets/cosmonaut.png
new file mode 100644
index 0000000..a4fd017
Binary files /dev/null and b/assets/cosmonaut.png differ
diff --git a/assets/tileset.png b/assets/tileset.png
new file mode 100644
index 0000000..d519715
Binary files /dev/null and b/assets/tileset.png differ
diff --git a/resources/background.png b/resources/background.png
deleted file mode 100644
index 6ad2950..0000000
Binary files a/resources/background.png and /dev/null differ
diff --git a/resources/cosmonaut.png b/resources/cosmonaut.png
deleted file mode 100644
index a4fd017..0000000
Binary files a/resources/cosmonaut.png and /dev/null differ
diff --git a/resources/tileset.png b/resources/tileset.png
deleted file mode 100644
index d519715..0000000
Binary files a/resources/tileset.png and /dev/null differ
diff --git a/src/main.rs b/src/main.rs
index 30df8fb..c4e40f9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,90 @@
-use bevy::prelude::App;
+use bevy::math::Vec3;
+use bevy::prelude::*;
+use gems::constants;
 
-struct Gem;
-struct Position { x: f32, y: f32}
+enum Occupant {
+    None,
+    Green,
+}
+
+struct Cell {
+    x: u8,
+    y: u8,
+    occupant: Occupant,
+}
+
+impl Cell {
+    pub fn new(x: u8, y: u8) -> Cell {
+        Cell {
+            x,
+            y,
+            occupant: Occupant::None,
+        }
+    }
+}
+
+struct Position {
+    x: f32,
+    y: f32,
+}
+
+pub fn add_cells(commands: &mut Commands) {
+    for i in 0..8 {
+        for j in 0..8 {
+            commands.spawn((
+                Cell::new(i, j),
+                Position {
+                    x: (i as f32 * constants::TILE_HEIGHT),
+                    y: (j as f32 * constants::TILE_WIDTH),
+                },
+            ));
+        }
+    }
+}
+
+pub fn add_background(
+    commands: &mut Commands,
+    asset_server: Res<AssetServer>,
+    mut materials: ResMut<Assets<ColorMaterial>>,
+) {
+    let texture_handle = asset_server.load("background.png");
+    commands
+        .spawn(Camera2dBundle {
+            transform: Transform {
+                translation: Vec3{
+                    x: -40.0,
+                    y: 0.0,
+                    z: 0.0,
+                },
+                scale: Vec3::splat(0.3),
+                ..Default::default()
+            },
+            ..Default::default()
+        })
+        .spawn(SpriteBundle {
+            material: materials.add(texture_handle.into()),
+            ..Default::default()
+        });
+}
+
+pub struct GemsPlugin;
+impl Plugin for GemsPlugin {
+    fn build(&self, app: &mut AppBuilder) {
+        app.add_startup_system(add_background.system());
+        app.add_startup_system(add_cells.system());
+    }
+}
 
 pub fn main() {
-    App::build().run();
+    App::build()
+        .add_resource(WindowDescriptor {
+            title: "gems".to_string(),
+            width: 800.0,
+            height: 600.0,
+            resizable: false,
+            ..Default::default()
+        })
+        .add_plugins(DefaultPlugins)
+        .add_plugin(GemsPlugin)
+        .run();
 }
-- 
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