shader testing

engine/world_generation/src/mesh_generator.rs

@@ -74,7 +74,7 @@ fn create_tile(
 	let y_min = tex_y as f32 / 8.;
 	const TX_UNIT: Vec2 = Vec2::new(1. / 11., 1. / 8.);
 
-	let uv_offset = Vec2::new(x_min + TX_UNIT.x / 2., y_min + TX_UNIT.y / 2.);
+	let uv_offset = Vec2::splat(0.5);
 
 	let idx = verts.len() as u32;
 	uvs.push(uv_offset);
@@ -82,7 +82,7 @@ fn create_tile(
 	for i in 0..6 {
 		let p = pos + HEX_CORNERS[i];
 		verts.push(p);
-		let uv = (HEX_CORNERS[i].xz() * TX_UNIT / 2.) + uv_offset;
+		let uv = (HEX_CORNERS[i].xz() / 2.) + uv_offset;
 		uvs.push(uv);
 		indices.push(idx);
 		indices.push(idx + 1 + i as u32);
@@ -94,16 +94,7 @@ fn create_tile(
 		match cur_n {
 			Some(n_height) => {
 				if n_height < pos.y {
-					create_tile_wall(
-						pos,
-						i,
-						n_height,
-						verts,
-						uvs,
-						indices,
-						Vec2::new(x_min, y_min),
-						Vec2::new(x_min + TX_UNIT.x, y_min + TX_UNIT.y),
-					);
+					create_tile_wall(pos, i, n_height, verts, uvs, indices, Vec2::ZERO, Vec2::ONE);
 				}
 			}
 			_ => {}

game/main/src/phos.rs

@@ -1,4 +1,4 @@
-use bevy::pbr::MaterialExtension;
+use bevy::pbr::{ExtendedMaterial, MaterialExtension};
 use bevy::render::render_resource::{AsBindGroup, ShaderRef};
 use bevy::{pbr::CascadeShadowConfig, prelude::*};
 use camera_system::PhosCameraPlugin;
@@ -47,11 +47,22 @@ fn init_game(mut commands: Commands) {
 	});
 }
 
-fn load_textures(mut commands: Commands, asset_server: Res<AssetServer>) {
-	let main_tex = asset_server.load("textures/world/test2.png");
+fn load_textures(
+	mut commands: Commands,
+	asset_server: Res<AssetServer>,
+	mut images: ResMut<Assets<Image>>,
+) {
+	let main_tex = asset_server.load("textures/world/stack.png");
 	commands.insert_resource(ChunkAtlas {
 		handle: main_tex.clone(),
 	});
+
+	//todo: wait for texture to load
+	let image = images.get_mut(&main_tex).unwrap();
+
+	// Create a new array texture asset from the loaded texture.
+	let array_layers = 7;
+	image.reinterpret_stacked_2d_as_array(array_layers);
 }
 
 fn draw_gizmos(mut gizmos: Gizmos, hm: Res<Map>) {
@@ -84,9 +95,10 @@ fn draw_gizmos(mut gizmos: Gizmos, hm: Res<Map>) {
 	}
 }
 
+//todo: run after textures are ready
 fn create_map(
 	mut commands: Commands,
-	mut materials: ResMut<Assets<StandardMaterial>>,
+	mut materials: ResMut<Assets<ExtendedMaterial<StandardMaterial, ChunkMaterial>>>,
 	mut meshes: ResMut<Assets<Mesh>>,
 	atlas: Res<ChunkAtlas>,
 ) {
@@ -150,15 +162,20 @@ fn create_map(
 		2,
 	);
 
-	let chunk_material = materials.add(StandardMaterial {
-		base_color_texture: Some(atlas.handle.clone()),
+	let chunk_material = materials.add(ExtendedMaterial {
+		base: StandardMaterial {
+			base_color: Color::WHITE,
 			..default()
+		},
+		extension: ChunkMaterial {
+			array_texture: atlas.handle.clone(),
+		},
 	});
 
 	for chunk in &heightmap.chunks {
 		let mesh = generate_chunk_mesh(&chunk, &heightmap);
 		let pos = offset_to_world(chunk.chunk_offset * Chunk::SIZE as i32, 0.);
-		commands.spawn(PbrBundle {
+		commands.spawn(MaterialMeshBundle {
 			mesh: meshes.add(mesh),
 			material: chunk_material.clone(),
 			transform: Transform::from_translation(pos),