#![warn(absolute_paths_not_starting_with_crate)] // #![warn(box_pointers)] #![warn(elided_lifetimes_in_paths)] #![warn(explicit_outlives_requirements)] #![warn(keyword_idents)] #![warn(macro_use_extern_crate)] #![warn(meta_variable_misuse)] #![warn(missing_abi)] #![warn(missing_copy_implementations)] #![warn(missing_debug_implementations)] // #![warn(missing_docs)] #![warn(non_ascii_idents)] #![warn(noop_method_call)] #![warn(pointer_structural_match)] #![warn(rust_2021_incompatible_closure_captures)] #![warn(rust_2021_incompatible_or_patterns)] #![warn(rust_2021_prefixes_incompatible_syntax)] #![warn(rust_2021_prelude_collisions)] #![warn(single_use_lifetimes)] #![warn(trivial_casts)] #![warn(trivial_numeric_casts)] #![warn(unreachable_pub)] #![warn(unsafe_code)] #![warn(unsafe_op_in_unsafe_fn)] #![warn(unstable_features)] #![warn(unused_crate_dependencies)] #![warn(unused_extern_crates)] #![warn(unused_import_braces)] #![warn(unused_lifetimes)] #![warn(unused_macro_rules)] #![warn(unused_qualifications)] #![warn(unused_results)] #![warn(variant_size_differences)] mod plugins; use bevy::app::App; #[cfg(feature = "render")] use bevy::{ asset::Assets, core_pipeline::core_2d::Camera2dBundle, ecs::{ change_detection::ResMut, system::{Commands, Res}, }, render::{ render_resource::{ Extent3d, TextureDescriptor, TextureDimension, TextureFormat, TextureUsages, }, texture::{Image, ImageSettings}, }, ui::{entity::ImageBundle, Size, Style, UiImage, Val}, utils::default, window::WindowDescriptor, winit::WinitSettings, }; use plugins::WorldPlugins; use save::*; #[cfg(feature = "render")] fn generate_texture( mut commands: Commands<'_, '_>, mut images: ResMut<'_, Assets<Image>>, world_manager: Res<'_, WorldManager>, ) { let world = world_manager.get_world().unwrap(); let image_handle = images.add(Image { data: world_manager.world_color_bytes(), texture_descriptor: TextureDescriptor { label: None, size: Extent3d { width: world.width as u32, height: world.height as u32, ..default() }, dimension: TextureDimension::D2, format: TextureFormat::Rgba32Float, mip_level_count: 1, sample_count: 1, usage: TextureUsages::COPY_DST | TextureUsages::TEXTURE_BINDING, }, ..default() }); _ = commands.spawn_bundle(Camera2dBundle::default()); _ = commands.spawn_bundle(ImageBundle { style: Style { size: Size::new(Val::Auto, Val::Auto), ..default() }, image: UiImage(image_handle), ..default() }); } fn main() -> Result<(), Box<dyn std::error::Error>> { let mut app = App::new(); let mut manager = WorldManager::new(); #[cfg(feature = "render")] { let world = manager.new_world()?; _ = app // Only run the app when there is user input. This will significantly reduce CPU/GPU use. .insert_resource(WinitSettings::desktop_app()) // Use nearest-neighbor rendering for cripsier pixels .insert_resource(ImageSettings::default_nearest()) .insert_resource(WindowDescriptor { width: world.width as f32, height: world.height as f32, title: String::from("World-RS"), resizable: true, ..default() }) .add_startup_system(generate_texture); } #[cfg(not(feature = "render"))] { _ = manager.new_world()? } app.insert_resource(manager).add_plugins(WorldPlugins).run(); Ok(()) }