mesh generation

game/main/src/phos.rs

@@ -1,20 +1,33 @@
 use bevy::{pbr::CascadeShadowConfig, prelude::*};
-
+use iyes_perf_ui::prelude::*;
+use world_generation::{
+	heightmap::generate_heightmap, hex_utils::to_hex_pos, mesh_generator::generate_chunk_mesh,
+	prelude::*,
+};
 pub struct PhosGamePlugin;
 
 impl Plugin for PhosGamePlugin {
-    fn build(&self, app: &mut App) {
-        app.add_systems(Startup, init_game);
-    }
+	fn build(&self, app: &mut App) {
+		app.add_systems(Startup, init_game)
+			.add_systems(Startup, create_map);
+		app.add_plugins(bevy::diagnostic::FrameTimeDiagnosticsPlugin)
+			.add_plugins(bevy::diagnostic::EntityCountDiagnosticsPlugin)
+			.add_plugins(bevy::diagnostic::SystemInformationDiagnosticsPlugin)
+			.add_plugins(PerfUiPlugin);
+	}
 }
 
 fn init_game(mut commands: Commands) {
+	commands.spawn((Camera3dBundle {
+		transform: Transform::from_xyz(-200., 300., -200.)
+			.looking_at(Vec3::new(1000., 0., 1000.), Vec3::Y),
+		..default()
+	},));
+
 	commands.spawn((
-		Camera3dBundle {
-			transform: Transform::from_xyz(0., 50., 0.)
-				.looking_at(Vec3::new(50., 0., 50.), Vec3::Y),
-			..default()
-		},
+		PerfUiRoot::default(),
+		PerfUiEntryFPS::default(),
+		PerfUiEntryClock::default(),
 	));
 
 	commands.spawn(DirectionalLightBundle {
@@ -30,3 +43,50 @@ fn init_game(mut commands: Commands) {
 		..default()
 	});
 }
+
+fn create_map(
+	mut commands: Commands,
+	mut materials: ResMut<Assets<StandardMaterial>>,
+	mut meshes: ResMut<Assets<Mesh>>,
+) {
+	let heightmap = generate_heightmap(
+		32,
+		32,
+		&GenerationConfig {
+			layers: vec![GeneratorLayer {
+				base_roughness: 2.14,
+				roughness: 0.87,
+				strength: 2.93,
+				min_value: -0.2,
+				persistence: 0.77,
+				is_rigid: false,
+				weight: 0.,
+				weight_multi: 0.,
+				layers: 4,
+				first_layer_mask: false,
+			}],
+			noise_scale: 250.,
+			sea_level: 4.,
+		},
+		1,
+	);
+
+	let debug_material = materials.add(StandardMaterial {
+		// base_color_texture: Some(images.add(uv_debug_texture())),
+		..default()
+	});
+
+	for chunk in heightmap.chunks {
+		let mesh = generate_chunk_mesh(&chunk);
+		let pos = to_hex_pos(
+			Vec3::new(chunk.chunk_offset.x as f32, 0., chunk.chunk_offset.y as f32)
+				* chunk.size as f32,
+		);
+		commands.spawn(PbrBundle {
+			mesh: meshes.add(mesh),
+			material: debug_material.clone(),
+			transform: Transform::from_translation(pos),
+			..default()
+		});
+	}
+}