Merge pull request 'next' (#1) from next into main
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Reviewed-on: #1
This commit is contained in:
vinzenz 2025-05-03 11:53:41 +02:00
commit 5f5e10d39f
12 changed files with 853 additions and 576 deletions

2
.envrc
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@ -1 +1 @@
use nix
use flake

493
Cargo.lock generated
View file

@ -2,20 +2,11 @@
# It is not intended for manual editing.
version = 3
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"proc-macro2",
"quote",
@ -438,16 +475,48 @@ dependencies = [
]
[[package]]
name = "unicode-ident"
version = "1.0.12"
name = "tap"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
[[package]]
name = "thiserror"
version = "2.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "567b8a2dae586314f7be2a752ec7474332959c6460e02bde30d702a66d488708"
dependencies = [
"thiserror-impl",
]
[[package]]
name = "thiserror-impl"
version = "2.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "unicode-ident"
version = "1.0.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
[[package]]
name = "unicode-segmentation"
version = "1.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
[[package]]
name = "utf8parse"
version = "0.2.1"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
[[package]]
name = "wasi"
@ -477,159 +546,111 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "windows-sys"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
dependencies = [
"windows-targets 0.48.5",
]
[[package]]
name = "windows-sys"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
dependencies = [
"windows-targets 0.52.5",
"windows-targets",
]
[[package]]
name = "windows-sys"
version = "0.59.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
dependencies = [
"windows-targets",
]
[[package]]
name = "windows-targets"
version = "0.48.5"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
dependencies = [
"windows_aarch64_gnullvm 0.48.5",
"windows_aarch64_msvc 0.48.5",
"windows_i686_gnu 0.48.5",
"windows_i686_msvc 0.48.5",
"windows_x86_64_gnu 0.48.5",
"windows_x86_64_gnullvm 0.48.5",
"windows_x86_64_msvc 0.48.5",
]
[[package]]
name = "windows-targets"
version = "0.52.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6f0713a46559409d202e70e28227288446bf7841d3211583a4b53e3f6d96e7eb"
dependencies = [
"windows_aarch64_gnullvm 0.52.5",
"windows_aarch64_msvc 0.52.5",
"windows_i686_gnu 0.52.5",
"windows_aarch64_gnullvm",
"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_gnullvm",
"windows_i686_msvc 0.52.5",
"windows_x86_64_gnu 0.52.5",
"windows_x86_64_gnullvm 0.52.5",
"windows_x86_64_msvc 0.52.5",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_gnullvm",
"windows_x86_64_msvc",
]
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.48.5"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.52.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7088eed71e8b8dda258ecc8bac5fb1153c5cffaf2578fc8ff5d61e23578d3263"
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
[[package]]
name = "windows_aarch64_msvc"
version = "0.48.5"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
[[package]]
name = "windows_aarch64_msvc"
version = "0.52.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9985fd1504e250c615ca5f281c3f7a6da76213ebd5ccc9561496568a2752afb6"
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
[[package]]
name = "windows_i686_gnu"
version = "0.48.5"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
[[package]]
name = "windows_i686_gnu"
version = "0.52.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "88ba073cf16d5372720ec942a8ccbf61626074c6d4dd2e745299726ce8b89670"
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
[[package]]
name = "windows_i686_gnullvm"
version = "0.52.5"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "87f4261229030a858f36b459e748ae97545d6f1ec60e5e0d6a3d32e0dc232ee9"
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
[[package]]
name = "windows_i686_msvc"
version = "0.48.5"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
[[package]]
name = "windows_i686_msvc"
version = "0.52.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "db3c2bf3d13d5b658be73463284eaf12830ac9a26a90c717b7f771dfe97487bf"
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
[[package]]
name = "windows_x86_64_gnu"
version = "0.48.5"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
[[package]]
name = "windows_x86_64_gnu"
version = "0.52.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4e4246f76bdeff09eb48875a0fd3e2af6aada79d409d33011886d3e1581517d9"
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.48.5"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.52.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "852298e482cd67c356ddd9570386e2862b5673c85bd5f88df9ab6802b334c596"
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
[[package]]
name = "windows_x86_64_msvc"
version = "0.48.5"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
[[package]]
name = "windows_x86_64_msvc"
version = "0.52.5"
name = "wyz"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
dependencies = [
"tap",
]
[[package]]
name = "zerocopy"
version = "0.8.0-alpha.6"
version = "0.8.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "db678a6ee512bd06adf35c35be471cae2f9c82a5aed2b5d15e03628c98bddd57"
checksum = "a1702d9583232ddb9174e01bb7c15a2ab8fb1bc6f227aa1233858c351a3ba0cb"
dependencies = [
"zerocopy-derive",
]
[[package]]
name = "zerocopy-derive"
version = "0.8.0-alpha.6"
version = "0.8.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "201585ea96d37ee69f2ac769925ca57160cef31acb137c16f38b02b76f4c1e62"
checksum = "28a6e20d751156648aa063f3800b706ee209a32c0b4d9f24be3d980b01be55ef"
dependencies = [
"proc-macro2",
"quote",

View file

@ -1,12 +1,34 @@
[package]
name = "servicepoint-life"
version = "0.1.0"
version = "0.2.0"
edition = "2021"
license = "GPL-3.0-or-later"
description = "Small terminal app that generates conways game of life rules and simulates them on the servicepoint display."
repository = "https://git.berlin.ccc.de/vinzenz/servicepoint-life"
readme = "README.md"
keywords = ["cccb", "cccb-servicepoint", "conway", "game-of-life", "simulation"]
rust-version = "1.70.0"
[dependencies]
clap = { version = "4.5.4", features = ["derive"] }
rand = "0.9.0-alpha.1"
env_logger = "0.11.3"
servicepoint2 = { version = "0.4.2", default-features = false }
crossterm = "0.27.0"
log = "0.4.21"
clap = { version = "4.5", features = ["derive"] }
rand = "0.8"
crossterm = "0.29"
[dependencies.servicepoint]
package = "servicepoint"
version = "0.14.0"
features = ["rand"]
default-features = false
[lints.clippy]
incompatible_msrv = "forbid"
[profile.release]
lto = true # Enable link-time optimization
codegen-units = 1 # Reduce number of codegen units to increase optimizations
[profile.size-optimized]
inherits = "release"
opt-level = 'z' # Optimize for size
panic = 'abort' # Abort on panic
strip = true # Strip symbols from binary

View file

@ -1,5 +1,13 @@
# servicepoint-life
More fully featured game of life for the servicepoint display based on the example in the repo.
This is a small terminal app that generates conways game of life rules and simulates them on the servicepoint display.
It uses the [servicepoint](https://git.berlin.ccc.de/servicepoint/servicepoint/) library for the display commands.
## Running
With Nix flakes, you can just `nix run git+https://git.berlin.ccc.de/vinzenz/servicepoint-life`.
Otherwise, you can `cargo install --git https://git.berlin.ccc.de/vinzenz/servicepoint-life` and then run `servicepoint-life`.
If you want to poke at the code you can always check out the repo and `cargo run` it.

64
flake.lock Normal file
View file

@ -0,0 +1,64 @@
{
"nodes": {
"naersk": {
"inputs": {
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1745925850,
"narHash": "sha256-cyAAMal0aPrlb1NgzMxZqeN1mAJ2pJseDhm2m6Um8T0=",
"owner": "nix-community",
"repo": "naersk",
"rev": "38bc60bbc157ae266d4a0c96671c6c742ee17a5f",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "naersk",
"type": "github"
}
},
"nix-filter": {
"locked": {
"lastModified": 1731533336,
"narHash": "sha256-oRam5PS1vcrr5UPgALW0eo1m/5/pls27Z/pabHNy2Ms=",
"owner": "numtide",
"repo": "nix-filter",
"rev": "f7653272fd234696ae94229839a99b73c9ab7de0",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "nix-filter",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1746183838,
"narHash": "sha256-kwaaguGkAqTZ1oK0yXeQ3ayYjs8u/W7eEfrFpFfIDFA=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "bf3287dac860542719fe7554e21e686108716879",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-24.11",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"naersk": "naersk",
"nix-filter": "nix-filter",
"nixpkgs": "nixpkgs"
}
}
},
"root": "root",
"version": 7
}

103
flake.nix Normal file
View file

@ -0,0 +1,103 @@
{
description = "Flake for servicepoint-life";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-24.11";
nix-filter.url = "github:numtide/nix-filter";
naersk = {
url = "github:nix-community/naersk";
inputs.nixpkgs.follows = "nixpkgs";
};
};
outputs =
inputs@{
self,
nixpkgs,
naersk,
nix-filter,
}:
let
lib = nixpkgs.lib;
supported-systems = [
"x86_64-linux"
"aarch64-linux"
"aarch64-darwin"
"x86_64-darwin"
];
forAllSystems =
f:
lib.genAttrs supported-systems (
system:
f rec {
pkgs = nixpkgs.legacyPackages.${system};
naersk' = pkgs.callPackage naersk { };
selfPkgs = self.packages."${system}";
inherit system;
}
);
in
rec {
packages = forAllSystems (
{ pkgs, naersk', ... }:
rec {
servicepoint-life = naersk'.buildPackage rec {
strictDeps = true;
nativeBuildInputs = with pkgs; [ pkg-config ];
buildInputs = with pkgs; [
xe
xz
];
src = nix-filter.lib.filter {
root = ./.;
include = [
./Cargo.toml
./Cargo.lock
./src
./README.md
./LICENSE
];
};
};
default = servicepoint-life;
}
);
legacyPackages = packages;
apps = forAllSystems (
{ selfPkgs, ... }:
rec {
servicepoint-life = {
type = "app";
program = "${selfPkgs.servicepoint-life}/bin/servicepoint-life";
};
default = servicepoint-life;
}
);
devShells = forAllSystems (
{ pkgs, selfPkgs, ... }:
{
default = pkgs.mkShell rec {
inputsFrom = [ selfPkgs.default ];
packages = [
pkgs.gdb
(pkgs.symlinkJoin {
name = "rust-toolchain";
paths = with pkgs; [
rustc
cargo
rustfmt
clippy
];
})
];
};
}
);
formatter = forAllSystems ({ pkgs, ... }: pkgs.nixfmt-rfc-style);
};
}

View file

@ -1,4 +0,0 @@
{ pkgs ? import <nixpkgs> {} }:
pkgs.mkShell {
nativeBuildInputs = with pkgs.buildPackages; [ rustup cargo pkg-config xe lzma ];
}

153
src/app.rs Normal file
View file

@ -0,0 +1,153 @@
use crate::{
print::{println_debug, println_info, println_warning},
simulation::{Simulation, SimulationEvent},
Cli,
};
use crossterm::{
event,
event::{Event, KeyCode, KeyEvent, KeyEventKind},
execute,
terminal::{
disable_raw_mode, enable_raw_mode, EnableLineWrap, EnterAlternateScreen,
LeaveAlternateScreen,
},
};
use servicepoint::{
Bitmap, BitmapCommand, BrightnessGrid, BrightnessGridCommand, UdpSocketExt,
FRAME_PACING, TILE_HEIGHT, TILE_WIDTH,
};
use std::{
io::stdout,
net::UdpSocket,
thread,
time::{Duration, Instant},
};
pub(crate) struct App {
connection: UdpSocket,
sim: Simulation,
target_duration: Duration,
pixels: Bitmap,
luma: BrightnessGrid,
terminated: bool,
}
impl App {
pub fn new(cli: Cli) -> Self {
let connection = UdpSocket::bind_connect(cli.destination)
.expect("Could not connect. Did you forget `--destination`?");
execute!(stdout(), EnterAlternateScreen, EnableLineWrap)
.expect("could not enter alternate screen");
enable_raw_mode().expect("could not enable raw terminal mode");
Self {
connection,
sim: Simulation::new(),
terminated: false,
target_duration: FRAME_PACING * 4,
pixels: Bitmap::max_sized(),
luma: BrightnessGrid::new(TILE_WIDTH, TILE_HEIGHT),
}
}
pub(crate) fn run_iteration(&mut self) {
let start = Instant::now();
self.sim.run_iteration();
self.sim.draw_state(&mut self.pixels, &mut self.luma);
let cmd: BitmapCommand = self.pixels.clone().into();
self.connection.send_command(cmd).unwrap();
let cmd: BrightnessGridCommand = self.luma.clone().into();
self.connection.send_command(cmd).unwrap();
self.poll_events();
let tick_time = start.elapsed();
if tick_time < self.target_duration {
thread::sleep(self.target_duration - tick_time);
}
}
pub(crate) fn terminated(&self) -> bool {
self.terminated
}
fn poll_events(&mut self) -> bool {
while event::poll(Duration::from_secs(0)).expect("could not poll") {
let event = event::read().expect("could not read event");
if let Event::Key(KeyEvent {
kind: KeyEventKind::Press,
code,
..
}) = event
{
if let Some(sim_event) = self.handle_key(code) {
self.sim.handle_event(sim_event);
};
} else {
println_debug(format!("unhandled event {event:?}"));
}
}
false
}
fn handle_key(&mut self, code: KeyCode) -> Option<SimulationEvent> {
match code {
KeyCode::Char('d') => Some(SimulationEvent::RandomizeLeftPixels),
KeyCode::Char('e') => Some(SimulationEvent::RandomizeLeftLuma),
KeyCode::Char('f') => Some(SimulationEvent::RandomizeRightPixels),
KeyCode::Char('r') => Some(SimulationEvent::RandomizeRightLuma),
KeyCode::Right => Some(SimulationEvent::SeparatorAccelerate),
KeyCode::Left => Some(SimulationEvent::SeparatorDecelerate),
KeyCode::Char('h') => {
println_info("[h] help");
println_info("[q] quit");
println_info("[d] randomize left pixels");
println_info("[e] randomize left luma");
println_info("[r] randomize right pixels");
println_info("[f] randomize right luma");
println_info("[→] accelerate divider right");
println_info("[←] accelerate divider left");
None
}
KeyCode::Char('q') => {
println_warning("terminating");
self.terminated = true;
None
}
KeyCode::Up => {
self.target_duration = self
.target_duration
.saturating_sub(Duration::from_millis(1));
println_info(format!(
"increased simulation speed to {} ups",
1f64 / self.target_duration.as_secs_f64()
));
None
}
KeyCode::Down => {
self.target_duration = self
.target_duration
.saturating_add(Duration::from_millis(1));
println_info(format!(
"decreased simulation speed to {} ups",
1f64 / self.target_duration.as_secs_f64()
));
None
}
key_code => {
println_debug(format!("unhandled KeyCode {key_code:?}"));
None
}
}
}
}
impl Drop for App {
fn drop(&mut self) {
disable_raw_mode().expect("could not disable raw terminal mode");
execute!(stdout(), LeaveAlternateScreen).expect("could not leave alternate screen");
}
}

View file

@ -1,29 +1,21 @@
use servicepoint2::Grid;
use servicepoint::{Grid, Value, ValueGrid};
use crate::rules::Rules;
pub(crate) struct Game<TState, TGrid, TKernel, const KERNEL_SIZE: usize>
where
TGrid: Grid<TState>,
TState: Copy + PartialEq,
TKernel: Copy,
pub(crate) struct Game<T: Value>
{
pub field: TGrid,
pub rules: Rules<TState, TKernel, KERNEL_SIZE>,
pub field: ValueGrid<T>,
pub rules: Rules<T>,
}
impl<TState, TGrid, TKernel, const KERNEL_SIZE: usize> Game<TState, TGrid, TKernel, KERNEL_SIZE>
where
TGrid: Grid<TState>,
TState: Copy + PartialEq,
TKernel: Copy,
impl<T: Value> Game<T>
{
pub fn step(&mut self) {
self.field = self.field_iteration();
}
fn field_iteration(&self) -> TGrid {
let mut next = TGrid::new(self.field.width(), self.field.height());
fn field_iteration(&self) -> ValueGrid<T> {
let mut next = ValueGrid::new(self.field.width(), self.field.height());
for x in 0..self.field.width() {
for y in 0..self.field.height() {
let old_state = self.field.get(x, y);
@ -41,14 +33,12 @@ where
let mut count = 0;
let kernel = &self.rules.kernel;
assert_eq!(KERNEL_SIZE % 2, 1);
let offset = KERNEL_SIZE as i32 / 2;
for (kernel_y, kernel_row) in kernel.iter().enumerate() {
let offset_y = kernel_y as i32 - offset;
let offset_y = kernel_y as i32 - 1;
for (kernel_x, kernel_value) in kernel_row.iter().enumerate() {
let offset_x = kernel_x as i32 - offset;
let offset_x = kernel_x as i32 - 1;
let neighbor_x = x + offset_x;
let neighbor_y = y + offset_y;

View file

@ -1,30 +1,11 @@
use std::io::stdout;
use std::num::Wrapping;
use std::thread;
use std::time::{Duration, Instant};
use crate::app::App;
use clap::Parser;
use crossterm::{event, execute};
use crossterm::event::{Event, KeyCode, KeyEventKind};
use crossterm::terminal::{
disable_raw_mode, enable_raw_mode, EnableLineWrap, EnterAlternateScreen, LeaveAlternateScreen,
};
use log::LevelFilter;
use rand::distributions::{Distribution, Standard};
use rand::Rng;
use servicepoint2::{
ByteGrid, CompressionCode, Connection, FRAME_PACING, Grid, Origin, PixelGrid, TILE_HEIGHT,
TILE_WIDTH,
};
use servicepoint2::Command::{BitmapLinearWin, CharBrightness};
use crate::game::Game;
use crate::print::{println_debug, println_info, println_warning};
use crate::rules::{generate_bb3, generate_u8b3};
mod app;
mod game;
mod print;
mod rules;
mod simulation;
#[derive(Parser, Debug)]
struct Cli {
@ -33,258 +14,8 @@ struct Cli {
}
fn main() {
let connection = init();
let mut left_pixels = Game {
rules: generate_bb3(),
field: PixelGrid::max_sized(),
};
let mut right_pixels = Game {
rules: generate_bb3(),
field: PixelGrid::max_sized(),
};
let mut left_luma = Game {
rules: generate_u8b3(),
field: ByteGrid::new(TILE_WIDTH, TILE_HEIGHT),
};
let mut right_luma = Game {
rules: generate_u8b3(),
field: ByteGrid::new(TILE_WIDTH, TILE_HEIGHT),
};
randomize(&mut left_luma.field);
randomize(&mut left_pixels.field);
randomize(&mut right_luma.field);
randomize(&mut right_pixels.field);
let mut pixels = PixelGrid::max_sized();
let mut luma = ByteGrid::new(TILE_WIDTH, TILE_HEIGHT);
let mut split_pixel = 0;
let mut split_speed: i32 = 1;
let mut iteration = Wrapping(0u8);
let mut target_duration = FRAME_PACING;
loop {
let start = Instant::now();
left_pixels.step();
right_pixels.step();
if iteration % Wrapping(10) == Wrapping(0) {
left_luma.step();
right_luma.step();
}
iteration += Wrapping(1u8);
if split_speed > 0 && split_pixel == pixels.width() {
split_pixel = 0;
(left_luma, right_luma) = (right_luma, left_luma);
(left_pixels, right_pixels) = (right_pixels, left_pixels);
randomize(&mut left_pixels.field);
randomize(&mut left_luma.field);
left_pixels.rules = generate_bb3();
left_luma.rules = generate_u8b3();
} else if split_speed < 0 && split_pixel == 0 {
split_pixel = pixels.width();
(left_luma, right_luma) = (right_luma, left_luma);
(left_pixels, right_pixels) = (right_pixels, left_pixels);
randomize(&mut right_pixels.field);
randomize(&mut right_luma.field);
right_pixels.rules = generate_bb3();
right_luma.rules = generate_u8b3();
}
split_pixel =
i32::clamp(split_pixel as i32 + split_speed, 0, pixels.width() as i32) as usize;
draw_pixels(
&mut pixels,
&left_pixels.field,
&right_pixels.field,
split_pixel,
);
draw_luma(
&mut luma,
&left_luma.field,
&right_luma.field,
split_pixel / 8,
);
send_to_screen(&connection, &pixels, &luma);
while event::poll(Duration::from_secs(0)).expect("could not poll") {
match event::read().expect("could not read event").try_into() {
Err(_) => {}
Ok(AppEvent::RandomizeLeftPixels) => {
randomize(&mut left_pixels.field);
println_debug("randomized left pixels");
}
Ok(AppEvent::RandomizeRightPixels) => {
randomize(&mut right_pixels.field);
println_info("randomized right pixels");
}
Ok(AppEvent::RandomizeLeftLuma) => {
randomize(&mut left_luma.field);
println_info("randomized left luma");
}
Ok(AppEvent::RandomizeRightLuma) => {
randomize(&mut right_luma.field);
println_info("randomized right luma");
}
Ok(AppEvent::SeparatorAccelerate) => {
split_speed += 1;
println_info(format!("increased separator speed to {split_speed}"));
}
Ok(AppEvent::SeparatorDecelerate) => {
split_speed -= 1;
println_info(format!("decreased separator speed to {split_speed}"));
}
Ok(AppEvent::Close) => {
println_warning("terminating");
de_init();
return;
}
Ok(AppEvent::SimulationSpeedUp) => {
target_duration = target_duration.saturating_sub(Duration::from_millis(1));
println_info(format!("increased simulation speed to {} ups", 1f64 / target_duration.as_secs_f64()));
}
Ok(AppEvent::SimulationSpeedDown) => {
target_duration = target_duration.saturating_add(Duration::from_millis(1));
println_info(format!("decreased simulation speed to {} ups", 1f64 / target_duration.as_secs_f64()));
}
}
}
let tick_time = start.elapsed();
if tick_time < target_duration {
thread::sleep(target_duration - tick_time);
}
let mut app = App::new(Cli::parse());
while !app.terminated() {
app.run_iteration();
}
}
enum AppEvent {
Close,
RandomizeLeftPixels,
RandomizeRightPixels,
RandomizeLeftLuma,
RandomizeRightLuma,
SeparatorAccelerate,
SeparatorDecelerate,
SimulationSpeedUp,
SimulationSpeedDown,
}
impl TryFrom<Event> for AppEvent {
type Error = ();
fn try_from(event: Event) -> Result<Self, Self::Error> {
match event {
Event::Key(key_event) if key_event.kind == KeyEventKind::Press => {
match key_event.code {
KeyCode::Char('h') => {
println_info("[h] help");
println_info("[q] quit");
println_info("[d] randomize left pixels");
println_info("[e] randomize left luma");
println_info("[r] randomize right pixels");
println_info("[f] randomize right luma");
println_info("[→] accelerate divider right");
println_info("[←] accelerate divider left");
Err(())
}
KeyCode::Char('q') => Ok(AppEvent::Close),
KeyCode::Char('d') => Ok(AppEvent::RandomizeLeftPixels),
KeyCode::Char('e') => Ok(AppEvent::RandomizeLeftLuma),
KeyCode::Char('f') => Ok(AppEvent::RandomizeRightPixels),
KeyCode::Char('r') => Ok(AppEvent::RandomizeRightLuma),
KeyCode::Right => Ok(AppEvent::SeparatorAccelerate),
KeyCode::Left => Ok(AppEvent::SeparatorDecelerate),
KeyCode::Up => Ok(AppEvent::SimulationSpeedUp),
KeyCode::Down => Ok(AppEvent::SimulationSpeedDown),
key_code => {
println_debug(format!("unhandled KeyCode {key_code:?}"));
Err(())
}
}
}
event => {
println_debug(format!("unhandled event {event:?}"));
Err(())
}
}
}
}
fn draw_pixels(pixels: &mut PixelGrid, left: &PixelGrid, right: &PixelGrid, split_index: usize) {
for x in 0..pixels.width() {
let left_or_right = if x < split_index { left } else { right };
for y in 0..pixels.height() {
let set = x == split_index || left_or_right.get(x, y);
pixels.set(x, y, set);
}
}
}
fn draw_luma(luma: &mut ByteGrid, left: &ByteGrid, right: &ByteGrid, split_tile: usize) {
for x in 0..luma.width() {
let left_or_right = if x < split_tile { left } else { right };
for y in 0..luma.height() {
let set = u8::max(48, left_or_right.get(x, y));
let set = set as f32 / u8::MAX as f32 * 12f32;
luma.set(x, y, set as u8);
}
}
}
fn send_to_screen(connection: &Connection, pixels: &PixelGrid, luma: &ByteGrid) {
let pixel_cmd = BitmapLinearWin(Origin(0, 0), pixels.clone(), CompressionCode::Uncompressed);
connection
.send(pixel_cmd.into())
.expect("could not send pixels");
connection
.send(CharBrightness(Origin(0, 0), luma.clone()).into())
.expect("could not send brightness");
}
fn randomize<TGrid, TValue>(field: &mut TGrid)
where
TGrid: Grid<TValue>,
Standard: Distribution<TValue>,
{
let mut rng = rand::thread_rng();
for y in 0..field.height() {
for x in 0..field.width() {
field.set(x, y, rng.gen());
}
}
}
fn init() -> Connection {
env_logger::builder()
.filter_level(LevelFilter::Info)
.parse_default_env()
.init();
execute!(stdout(), EnterAlternateScreen, EnableLineWrap)
.expect("could not enter alternate screen");
enable_raw_mode().expect("could not enable raw terminal mode");
Connection::open(Cli::parse().destination)
.expect("Could not connect. Did you forget `--destination`?")
}
fn de_init() {
disable_raw_mode().expect("could not disable raw terminal mode");
execute!(stdout(), LeaveAlternateScreen).expect("could not leave alternate screen");
}

View file

@ -1,30 +1,30 @@
use rand::rngs::ThreadRng;
use rand::{thread_rng, Rng};
use servicepoint::Value;
use crate::print::println_info;
const MAX_BRIGHTNESS: u8 = 12;
pub struct Rules<TState, TKernel, const KERNEL_SIZE: usize>
where
TState: Copy + PartialEq,
TKernel: Copy,
pub struct Rules<T: Value>
{
pub kernel: [[TKernel; KERNEL_SIZE]; KERNEL_SIZE],
pub count_neighbor: Box<dyn Fn(TState, TKernel) -> i32>,
pub next_state: Box<dyn Fn(TState, i32) -> TState>,
pub kernel: Kernel3x3,
pub count_neighbor: Box<dyn Fn(T, bool) -> i32>,
pub next_state: Box<dyn Fn(T, i32) -> T>,
}
pub const MOORE_NEIGHBORHOOD: [[bool; 3]; 3] =
[[true, true, true], [true, false, true], [true, true, true]];
type Kernel3x3 = [[bool; 3]; 3];
pub const NEUMANN_NEIGHBORHOOD: [[bool; 3]; 3] = [
pub const MOORE_NEIGHBORHOOD: Kernel3x3 = [
[true, true, true],
[true, false, true],
[true, true, true]
];
pub const NEUMANN_NEIGHBORHOOD: Kernel3x3 = [
[false, true, false],
[true, false, true],
[false, true, false],
];
pub const DIAGONALS_NEIGHBORHOOD: [[bool; 3]; 3] = [
pub const DIAGONALS_NEIGHBORHOOD: Kernel3x3 = [
[true, false, true],
[false, false, false],
[true, false, true],
@ -39,16 +39,11 @@ pub fn count_true_neighbor(neighbor_state: bool, kernel_value: bool) -> i32 {
}
#[must_use]
pub fn generate_bb3() -> Rules<bool, bool, 3> {
pub fn generate_bb3() -> Rules<bool> {
let mut rng = thread_rng();
let is_moore = rng.gen_bool(1.0 / 2.0);
let kernel = if is_moore {
MOORE_NEIGHBORHOOD
} else {
NEUMANN_NEIGHBORHOOD
};
let max_neighbors = if is_moore { 8 } else { 4 };
let kernel = choose_neighborhood(&mut rng);
let max_neighbors = count_max_neighbors(kernel);
let birth = generate_neighbor_counts(rng.gen_range(1..=max_neighbors), &mut rng, &[0]);
let survive = generate_neighbor_counts(rng.gen_range(1..=max_neighbors), &mut rng, &[]);
@ -78,17 +73,11 @@ fn generate_neighbor_counts(count: u8, rng: &mut ThreadRng, exclude: &[i32]) ->
}
#[must_use]
pub fn generate_u8b3() -> Rules<u8, bool, 3> {
pub fn generate_u8b3() -> Rules<u8> {
let mut rng = thread_rng();
let kernel = match rng.gen_range(0..3) {
0 => MOORE_NEIGHBORHOOD,
1 => NEUMANN_NEIGHBORHOOD,
2 => DIAGONALS_NEIGHBORHOOD,
_ => panic!(),
};
let alive_threshold = rng.gen();
let kernel = choose_neighborhood(&mut rng);
let alive_threshold = u8::max(1, rng.gen());
let birth = generate_neighbor_counts(rng.gen_range(1..=9), &mut rng, &[0]);
let survive = generate_neighbor_counts(
@ -97,8 +86,8 @@ pub fn generate_u8b3() -> Rules<u8, bool, 3> {
&[],
);
let add = rng.gen_range(5..40);
let sub = rng.gen_range(5..40);
let add = rng.gen_range(1..15);
let sub = rng.gen_range(1..15);
println_info(format!("generated u8b3: Birth {birth:?} Survival {survive:?}, kernel: {kernel:?}, alive_thresh: {alive_threshold}, delta: {add}/{sub}"));
@ -115,3 +104,24 @@ pub fn generate_u8b3() -> Rules<u8, bool, 3> {
}),
}
}
fn choose_neighborhood(rng: &mut ThreadRng) -> Kernel3x3 {
match rng.gen_range(0..3) {
0 => MOORE_NEIGHBORHOOD,
1 => NEUMANN_NEIGHBORHOOD,
2 => DIAGONALS_NEIGHBORHOOD,
_ => unreachable!(),
}
}
fn count_max_neighbors<const SIZE: usize>(kernel: [[bool; SIZE]; SIZE]) -> u8 {
let mut result = 0;
for row in kernel {
for cell in row {
if cell {
result += 1;
}
}
}
result
}

179
src/simulation.rs Normal file
View file

@ -0,0 +1,179 @@
use crate::{
game::Game,
print::{println_debug, println_info},
rules::{generate_bb3, generate_u8b3},
};
use rand::{distributions::Standard, prelude::Distribution, Rng};
use servicepoint::{
Bitmap, Brightness, BrightnessGrid, Grid, Value, ValueGrid, PIXEL_HEIGHT, PIXEL_WIDTH,
TILE_HEIGHT, TILE_SIZE, TILE_WIDTH,
};
use std::num::Wrapping;
pub(crate) struct Simulation {
pub(crate) left_pixels: Game<bool>,
pub(crate) right_pixels: Game<bool>,
pub(crate) left_luma: Game<u8>,
pub(crate) right_luma: Game<u8>,
split_pixel: usize,
pub(crate) split_speed: i32,
iteration: Wrapping<u8>,
}
pub enum SimulationEvent {
RandomizeLeftPixels,
RandomizeRightPixels,
RandomizeLeftLuma,
RandomizeRightLuma,
SeparatorAccelerate,
SeparatorDecelerate,
}
impl Simulation {
pub fn new() -> Simulation {
let left_pixels = Game {
rules: generate_bb3(),
field: make_randomized(PIXEL_WIDTH, PIXEL_HEIGHT),
};
let right_pixels = Game {
rules: generate_bb3(),
field: make_randomized(PIXEL_WIDTH, PIXEL_HEIGHT),
};
let left_luma = Game {
rules: generate_u8b3(),
field: make_randomized(TILE_WIDTH, TILE_HEIGHT),
};
let right_luma = Game {
rules: generate_u8b3(),
field: make_randomized(TILE_WIDTH, TILE_HEIGHT),
};
Self {
left_pixels,
right_pixels,
left_luma,
right_luma,
split_pixel: 0,
split_speed: 1,
iteration: Wrapping(0u8),
}
}
fn swap_left_right(&mut self) {
std::mem::swap(&mut self.left_luma, &mut self.right_luma);
std::mem::swap(&mut self.left_pixels, &mut self.right_pixels);
}
fn regenerate(pixels: &mut Game<bool>, luma: &mut Game<u8>) {
randomize(&mut pixels.field);
randomize(&mut luma.field);
pixels.rules = generate_bb3();
luma.rules = generate_u8b3();
}
pub(crate) fn run_iteration(&mut self) {
self.left_pixels.step();
self.right_pixels.step();
self.left_luma.step();
self.right_luma.step();
self.iteration += Wrapping(1u8);
if self.split_speed > 0 && self.split_pixel == self.left_pixels.field.width() {
self.split_pixel = 0;
self.swap_left_right();
Self::regenerate(&mut self.left_pixels, &mut self.left_luma);
} else if self.split_speed < 0 && self.split_pixel == 0 {
self.split_pixel = self.left_pixels.field.width();
self.swap_left_right();
Self::regenerate(&mut self.right_pixels, &mut self.right_luma);
}
self.split_pixel = i32::clamp(
self.split_pixel as i32 + self.split_speed,
0,
self.left_pixels.field.width() as i32,
) as usize;
}
pub(crate) fn draw_state(&self, pixels: &mut Bitmap, luma: &mut BrightnessGrid) {
for x in 0..pixels.width() {
let left_or_right = if x < self.split_pixel {
&self.left_pixels.field
} else {
&self.right_pixels.field
};
for y in 0..pixels.height() {
let set = x == self.split_pixel || left_or_right.get(x, y);
pixels.set(x, y, set);
}
}
let split_tile = self.split_pixel / TILE_SIZE;
for x in 0..luma.width() {
let left_or_right = if x < split_tile {
&self.left_luma.field
} else {
&self.right_luma.field
};
for y in 0..luma.height() {
let set = left_or_right.get(x, y) as f32 / u8::MAX as f32 * u8::from(Brightness::MAX) as f32;
let set = (set as u8).max(1);
let set = Brightness::try_from(set).unwrap();
luma.set(x, y, set);
}
}
}
pub(crate) fn handle_event(&mut self, event: SimulationEvent) {
match event {
SimulationEvent::RandomizeLeftPixels => {
randomize(&mut self.left_pixels.field);
println_debug("randomized left pixels");
}
SimulationEvent::RandomizeRightPixels => {
randomize(&mut self.right_pixels.field);
println_info("randomized right pixels");
}
SimulationEvent::RandomizeLeftLuma => {
randomize(&mut self.left_luma.field);
println_info("randomized left luma");
}
SimulationEvent::RandomizeRightLuma => {
randomize(&mut self.right_luma.field);
println_info("randomized right luma");
}
SimulationEvent::SeparatorAccelerate => {
self.split_speed += 1;
println_info(format!("increased separator speed to {}", self.split_speed));
}
SimulationEvent::SeparatorDecelerate => {
self.split_speed -= 1;
println_info(format!("decreased separator speed to {}", self.split_speed));
}
}
}
}
fn make_randomized<T: Value>(width: usize, height: usize) -> ValueGrid<T>
where
Standard: Distribution<T>,
{
let mut grid = ValueGrid::new(width, height);
randomize(&mut grid);
grid
}
fn randomize<T: Value>(field: &mut ValueGrid<T>)
where
Standard: Distribution<T>,
{
let mut rng = rand::thread_rng();
for y in 0..field.height() {
for x in 0..field.width() {
field.set(x, y, rng.gen());
}
}
}