christoph/cpp-masssprings
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cleanup flake

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This commit is contained in:
Christoph Urlacher
2026-02-22 13:48:22 +01:00
parent 9446e1b86c
commit 0083143268
7 changed files with 287 additions and 394 deletions
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1
.clangd
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@ -1 +0,0 @@
./cmake-build-debug/.clangd

2
.gitignore vendored
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@ -2,3 +2,5 @@
cmake-build-debug
cmake-build-release
/platform
/result
/.gdb_history

2
compile_commands.json
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@ -1 +1 @@
./cmake-build-debug/compile_commands.json
./cmake-build-release/compile_commands.json

119
flake.lock generated
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@ -1,66 +1,5 @@
{
"nodes": {
"clj-nix": {
"inputs": {
"devshell": "devshell",
"nix-fetcher-data": "nix-fetcher-data",
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1770563144,
"narHash": "sha256-pddc5NHWPRYmQm723SLTjXVNDi4VnMOWqVbTOkfOE9k=",
"owner": "jlesquembre",
"repo": "clj-nix",
"rev": "b439ecd3eb92737f56330c4395c2d0eba0a4dbdd",
"type": "github"
},
"original": {
"owner": "jlesquembre",
"repo": "clj-nix",
"type": "github"
}
},
"devshell": {
"inputs": {
"nixpkgs": [
"clj-nix",
"nixpkgs"
]
},
"locked": {
"lastModified": 1768818222,
"narHash": "sha256-460jc0+CZfyaO8+w8JNtlClB2n4ui1RbHfPTLkpwhU8=",
"owner": "numtide",
"repo": "devshell",
"rev": "255a2b1725a20d060f566e4755dbf571bbbb5f76",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "devshell",
"type": "github"
}
},
"flake-parts": {
"inputs": {
"nixpkgs-lib": "nixpkgs-lib"
},
"locked": {
"lastModified": 1719745305,
"narHash": "sha256-xwgjVUpqSviudEkpQnioeez1Uo2wzrsMaJKJClh+Bls=",
"owner": "hercules-ci",
"repo": "flake-parts",
"rev": "c3c5ecc05edc7dafba779c6c1a61cd08ac6583e9",
"type": "github"
},
"original": {
"owner": "hercules-ci",
"repo": "flake-parts",
"type": "github"
}
},
"flake-utils": {
"inputs": {
"systems": "systems"
@ -79,28 +18,6 @@
"type": "github"
}
},
"nix-fetcher-data": {
"inputs": {
"flake-parts": "flake-parts",
"nixpkgs": [
"clj-nix",
"nixpkgs"
]
},
"locked": {
"lastModified": 1755022803,
"narHash": "sha256-/QtBdVfZlrRJW5enUoWlBE2wrLXJBMJ45X0rZh0jiaU=",
"owner": "jlesquembre",
"repo": "nix-fetcher-data",
"rev": "9da3926b1459d6ff15268072d1c51351b82811b9",
"type": "github"
},
"original": {
"owner": "jlesquembre",
"repo": "nix-fetcher-data",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1770843696,
@ -115,44 +32,10 @@
"type": "indirect"
}
},
"nixpkgs-lib": {
"locked": {
"lastModified": 1717284937,
"narHash": "sha256-lIbdfCsf8LMFloheeE6N31+BMIeixqyQWbSr2vk79EQ=",
"type": "tarball",
"url": "https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz"
},
"original": {
"type": "tarball",
"url": "https://github.com/NixOS/nixpkgs/archive/eb9ceca17df2ea50a250b6b27f7bf6ab0186f198.tar.gz"
}
},
"root": {
"inputs": {
"clj-nix": "clj-nix",
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs",
"rust-overlay": "rust-overlay"
}
},
"rust-overlay": {
"inputs": {
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1770865833,
"narHash": "sha256-oiARqnlvaW6pVGheVi4ye6voqCwhg5hCcGish2ZvQzI=",
"owner": "oxalica",
"repo": "rust-overlay",
"rev": "c8cfbe26238638e2f3a2c0ae7e8d240f5e4ded85",
"type": "github"
},
"original": {
"owner": "oxalica",
"repo": "rust-overlay",
"type": "github"
"nixpkgs": "nixpkgs"
}
},
"systems": {

545
flake.nix
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@ -4,286 +4,297 @@ rec {
inputs = {
nixpkgs.url = "nixpkgs"; # Use nixpkgs from system registry
flake-utils.url = "github:numtide/flake-utils";
rust-overlay.url = "github:oxalica/rust-overlay";
rust-overlay.inputs.nixpkgs.follows = "nixpkgs";
clj-nix.url = "github:jlesquembre/clj-nix";
clj-nix.inputs.nixpkgs.follows = "nixpkgs";
};
outputs = {
self,
nixpkgs,
flake-utils,
rust-overlay,
clj-nix,
}:
# Create a shell (and possibly package) for each possible system, not only x86_64-linux
flake-utils.lib.eachDefaultSystem (system: let
pkgs = import nixpkgs {
inherit system;
config.allowUnfree = true;
overlays = [
rust-overlay.overlays.default
];
};
inherit (pkgs) lib stdenv;
flake-utils.lib.eachDefaultSystem (
system: let
pkgs = import nixpkgs {
inherit system;
config.allowUnfree = true;
overlays = [];
};
inherit (pkgs) lib stdenv;
# ===========================================================================================
# Define custom dependencies
# ===========================================================================================
# ===========================================================================================
# Define custom dependencies
# ===========================================================================================
# 64 bit C/C++ compilers that don't collide (use the same libc)
bintools = pkgs.wrapBintoolsWith {
bintools = pkgs.bintools.bintools; # Unwrapped bintools
libc = pkgs.glibc;
};
gcc = lib.hiPrio (pkgs.wrapCCWith {
cc = pkgs.gcc.cc; # Unwrapped gcc
libc = pkgs.glibc;
bintools = bintools;
});
clang = pkgs.wrapCCWith {
cc = pkgs.clang.cc; # Unwrapped clang
libc = pkgs.glibc;
bintools = bintools;
};
# Multilib C/C++ compilers that don't collide (use the same libc)
# bintools_multilib = pkgs.wrapBintoolsWith {
# bintools = pkgs.bintools.bintools; # Unwrapped bintools
# libc = pkgs.glibc_multi;
# };
# gcc_multilib = pkgs.hiPrio (pkgs.wrapCCWith {
# cc = pkgs.gcc.cc; # Unwrapped gcc
# libc = pkgs.glibc_multi;
# bintools = bintools_multilib;
# });
# clang_multilib = pkgs.wrapCCWith {
# cc = pkgs.clang.cc; # Unwrapped clang
# libc = pkgs.glibc_multi;
# bintools = bintools_multilib;
# };
# Raylib CPP wrapper
raylib-cpp = stdenv.mkDerivation {
pname = "raylib-cpp";
version = "5.5.0-unstable-2025-11-12";
src = pkgs.fetchFromGitHub {
owner = "RobLoach";
repo = "raylib-cpp";
rev = "21b0d0f57a09a7f741d20b7157f440ae87f02c76";
hash = "sha256-P9x6Zc5t648gR7oYXe38PEX/a4oh4PfuVCnjT0vC10k=";
# 64 bit C/C++ compilers that don't collide (use the same libc)
bintools = pkgs.wrapBintoolsWith {
bintools = pkgs.bintools.bintools; # Unwrapped bintools
libc = pkgs.glibc;
};
gcc = lib.hiPrio (pkgs.wrapCCWith {
cc = pkgs.gcc.cc; # Unwrapped gcc
libc = pkgs.glibc;
bintools = bintools;
});
clang = pkgs.wrapCCWith {
cc = pkgs.clang.cc; # Unwrapped clang
libc = pkgs.glibc;
bintools = bintools;
};
# autoPatchelfHook is needed for appendRunpaths
nativeBuildInputs = with pkgs; [
cmake
# autoPatchelfHook
];
# Raylib CPP wrapper
raylib-cpp = stdenv.mkDerivation {
pname = "raylib-cpp";
version = "5.5.0-unstable-2025-11-12";
buildInputs = with pkgs; [
raylib
glfw
SDL2
];
src = pkgs.fetchFromGitHub {
owner = "RobLoach";
repo = "raylib-cpp";
rev = "21b0d0f57a09a7f741d20b7157f440ae87f02c76";
hash = "sha256-P9x6Zc5t648gR7oYXe38PEX/a4oh4PfuVCnjT0vC10k=";
};
propagatedBuildInputs = with pkgs; [
libGLU
libx11
];
cmakeFlags = [
"-DBUILD_RAYLIB_CPP_EXAMPLES=OFF"
"-DBUILD_TESTING=OFF"
# Point CMake to the nixpkgs raylib so it doesn't try to fetch its own
"-Draylib_DIR=${pkgs.raylib}/lib/cmake/raylib"
];
};
# ===========================================================================================
# Specify dependencies
# https://nixos.org/manual/nixpkgs/stable/#ssec-stdenv-dependencies-overview
# Just for a "nix develop" shell, buildInputs can be used for everything.
# ===========================================================================================
# Add dependencies to nativeBuildInputs if they are executed during the build:
# - Those which are needed on $PATH during the build, for example cmake and pkg-config
# - Setup hooks, for example makeWrapper
# - Interpreters needed by patchShebangs for build scripts (with the --build flag), which can be the case for e.g. perl
nativeBuildInputs = with pkgs; [
# Languages:
# bintools
gcc
# clang
# bintools_multilib
# gcc_multilib
# clang_multilib
# C/C++:
gdb
valgrind
# gnumake
cmake
# pkg-config
# clang-tools
# compdb
# pprof
gprof2dot
kdePackages.kcachegrind
];
# Add dependencies to buildInputs if they will end up copied or linked into the final output or otherwise used at runtime:
# - Libraries used by compilers, for example zlib
# - Interpreters needed by patchShebangs for scripts which are installed, which can be the case for e.g. perl
buildInputs = with pkgs; [
# C/C++:
# boost
# sfml
raylib
llvmPackages.openmp
# raylib-cpp
# tinyobjloader
# gperftools
];
# ===========================================================================================
# Define buildable + installable packages
# ===========================================================================================
# package = stdenv.mkDerivation {
# inherit nativeBuildInputs buildInputs;
# pname = "";
# version = "1.0.0";
# src = ./.;
#
# installPhase = ''
# mkdir -p $out/bin
# mv ./BINARY $out/bin
# '';
# };
in rec {
# Provide package for "nix build"
# defaultPackage = package;
# defaultApp = flake-utils.lib.mkApp {
# drv = defaultPackage;
# };
# Provide environment for "nix develop"
devShell = pkgs.mkShell {
inherit nativeBuildInputs buildInputs;
name = description;
# =========================================================================================
# Define environment variables
# =========================================================================================
# Custom dynamic libraries:
# LD_LIBRARY_PATH = builtins.concatStringsSep ":" [
# # Rust Bevy GUI app:
# # "${pkgs.xorg.libX11}/lib"
# # "${pkgs.xorg.libXcursor}/lib"
# # "${pkgs.xorg.libXrandr}/lib"
# # "${pkgs.xorg.libXi}/lib"
# # "${pkgs.libGL}/lib"
#
# # JavaFX app:
# # "${pkgs.libGL}/lib"
# # "${pkgs.gtk3}/lib"
# # "${pkgs.glib.out}/lib"
# # "${pkgs.xorg.libXtst}/lib"
# ];
# Dynamic libraries from buildinputs:
LD_LIBRARY_PATH = nixpkgs.lib.makeLibraryPath buildInputs;
# =========================================================================================
# Define shell environment
# =========================================================================================
# Setup the shell when entering the "nix develop" environment (bash script).
shellHook = let
mkCmakeScript = type: let
typeLower = lib.toLower type;
in
pkgs.writers.writeFish "cmake-${typeLower}.fish" ''
cd $FLAKE_PROJECT_ROOT
# set -g -x CC ${clang}/bin/clang
# set -g -x CXX ${clang}/bin/clang++
echo "Removing build directory ./cmake-build-${typeLower}/"
rm -rf ./cmake-build-${typeLower}
echo "Creating build directory"
mkdir cmake-build-${typeLower}
cd cmake-build-${typeLower}
echo "Running cmake"
cmake -G "Unix Makefiles" \
-DCMAKE_BUILD_TYPE="${type}" \
..
echo "Generating .clangd"
echo "CompileFlags:" >> .clangd
echo " Add:" >> .clangd
echo " - \"-I${pkgs.raylib}/include\"" >> .clangd
echo "Linking compile_commands.json"
cd ..
ln -sf ./cmake-build-${typeLower}/compile_commands.json ./compile_commands.json
echo "Linking .clangd"
ln -sf ./cmake-build-${typeLower}/.clangd ./.clangd
'';
cmakeDebug = mkCmakeScript "Debug";
cmakeRelease = mkCmakeScript "Release";
mkBuildScript = type: let
typeLower = lib.toLower type;
in
pkgs.writers.writeFish "cmake-build.fish" ''
cd $FLAKE_PROJECT_ROOT/cmake-build-${typeLower}
echo "Running cmake"
cmake --build . -j$(nproc)
'';
buildDebug = mkBuildScript "Debug";
buildRelease = mkBuildScript "Release";
# Use this to specify commands that should be ran after entering fish shell
initProjectShell = pkgs.writers.writeFish "init-shell.fish" ''
echo "Entering \"${description}\" environment..."
# Determine the project root, used e.g. in cmake scripts
set -g -x FLAKE_PROJECT_ROOT (git rev-parse --show-toplevel)
# Rust Bevy:
# abbr -a build-release-windows "CARGO_FEATURE_PURE=1 cargo xwin build --release --target x86_64-pc-windows-msvc"
# C/C++:
abbr -a cmake-debug "${cmakeDebug}"
abbr -a cmake-release "${cmakeRelease}"
abbr -a build-debug "${buildDebug}"
abbr -a build-release "${buildRelease}"
# Clojure:
# abbr -a clojure-deps "deps-lock --lein"
# Python:
# abbr -a run "python ./app/main.py"
# abbr -a profile "py-spy record -o profile.svg -- python ./app/main.py && firefox profile.svg"
# abbr -a ptop "py-spy top -- python ./app/main.py"
'';
in
builtins.concatStringsSep "\n" [
# Launch into pure fish shell
''
exec "$(type -p fish)" -C "source ${initProjectShell} && abbr -a menu '${pkgs.bat}/bin/bat "${initProjectShell}"'"
''
# autoPatchelfHook is needed for appendRunpaths
nativeBuildInputs = with pkgs; [
cmake
# autoPatchelfHook
];
};
});
buildInputs = with pkgs; [
raylib
glfw
SDL2
];
propagatedBuildInputs = with pkgs; [
libGLU
libx11
];
cmakeFlags = [
"-DBUILD_RAYLIB_CPP_EXAMPLES=OFF"
"-DBUILD_TESTING=OFF"
# Point CMake to the nixpkgs raylib so it doesn't try to fetch its own
"-Draylib_DIR=${pkgs.raylib}/lib/cmake/raylib"
];
};
# ===========================================================================================
# Specify dependencies
# https://nixos.org/manual/nixpkgs/stable/#ssec-stdenv-dependencies-overview
# Just for a "nix develop" shell, buildInputs can be used for everything.
# ===========================================================================================
# Add dependencies to nativeBuildInputs if they are executed during the build:
# - Those which are needed on $PATH during the build, for example cmake and pkg-config
# - Setup hooks, for example makeWrapper
# - Interpreters needed by patchShebangs for build scripts (with the --build flag), which can be the case for e.g. perl
nativeBuildInputs = with pkgs; [
# Languages:
# bintools
gcc
# clang
# bintools_multilib
# gcc_multilib
# clang_multilib
# C/C++:
gdb
valgrind
# gnumake
cmake
# pkg-config
# clang-tools
# compdb
# pprof
gprof2dot
kdePackages.kcachegrind
gdbgui
# renderdoc
];
# Add dependencies to buildInputs if they will end up copied or linked into the final output or otherwise used at runtime:
# - Libraries used by compilers, for example zlib
# - Interpreters needed by patchShebangs for scripts which are installed, which can be the case for e.g. perl
buildInputs = with pkgs; [
# C/C++:
# boost
# sfml
raylib
llvmPackages.openmp # not required for compilation but for clangd to find the headers
# raylib-cpp
# tinyobjloader
# gperftools
];
# ===========================================================================================
# Define buildable + installable packages
# ===========================================================================================
package = stdenv.mkDerivation rec {
inherit buildInputs;
pname = "masssprings";
version = "0.0.1";
src = ./.;
nativeBuildInputs = with pkgs; [
gcc
cmake
];
installPhase = ''
mkdir -p $out/bin
mv ./${pname} $out/bin
'';
};
in rec {
# Provide package for "nix build"
defaultPackage = package;
defaultApp = flake-utils.lib.mkApp {
drv = defaultPackage;
};
# Provide environment for "nix develop"
devShells = {
default = pkgs.mkShell {
inherit nativeBuildInputs buildInputs;
name = description;
# =========================================================================================
# Define environment variables
# =========================================================================================
# Custom dynamic libraries:
# LD_LIBRARY_PATH = builtins.concatStringsSep ":" [
# # Rust Bevy GUI app:
# # "${pkgs.xorg.libX11}/lib"
# # "${pkgs.xorg.libXcursor}/lib"
# # "${pkgs.xorg.libXrandr}/lib"
# # "${pkgs.xorg.libXi}/lib"
# # "${pkgs.libGL}/lib"
#
# # JavaFX app:
# # "${pkgs.libGL}/lib"
# # "${pkgs.gtk3}/lib"
# # "${pkgs.glib.out}/lib"
# # "${pkgs.xorg.libXtst}/lib"
# ];
# Dynamic libraries from buildinputs:
LD_LIBRARY_PATH = nixpkgs.lib.makeLibraryPath buildInputs;
# =========================================================================================
# Define shell environment
# =========================================================================================
# Setup the shell when entering the "nix develop" environment (bash script).
shellHook = let
mkCmakeScript = type: let
typeLower = lib.toLower type;
in
pkgs.writers.writeFish "cmake-${typeLower}.fish" ''
cd $FLAKE_PROJECT_ROOT
# set -g -x CC ${clang}/bin/clang
# set -g -x CXX ${clang}/bin/clang++
echo "Removing build directory ./cmake-build-${typeLower}/"
rm -rf ./cmake-build-${typeLower}
echo "Creating build directory"
mkdir cmake-build-${typeLower}
cd cmake-build-${typeLower}
echo "Running cmake"
cmake -G "Unix Makefiles" \
-DCMAKE_BUILD_TYPE="${type}" \
..
echo "Linking compile_commands.json"
cd ..
ln -sf ./cmake-build-${typeLower}/compile_commands.json ./compile_commands.json
'';
cmakeDebug = mkCmakeScript "Debug";
cmakeRelease = mkCmakeScript "Release";
mkBuildScript = type: let
typeLower = lib.toLower type;
in
pkgs.writers.writeFish "cmake-build.fish" ''
cd $FLAKE_PROJECT_ROOT/cmake-build-${typeLower}
echo "Running cmake"
cmake --build . -j$(nproc)
'';
buildDebug = mkBuildScript "Debug";
buildRelease = mkBuildScript "Release";
# Use this to specify commands that should be ran after entering fish shell
initProjectShell = pkgs.writers.writeFish "init-shell.fish" ''
echo "Entering \"${description}\" environment..."
# Determine the project root, used e.g. in cmake scripts
set -g -x FLAKE_PROJECT_ROOT (git rev-parse --show-toplevel)
# C/C++:
abbr -a cmake-debug "${cmakeDebug}"
abbr -a cmake-release "${cmakeRelease}"
abbr -a build-debug "${buildDebug}"
abbr -a build-release "${buildRelease}"
abbr -a debug "${buildDebug} && ./cmake-build-debug/masssprings"
abbr -a release "${buildRelease} && ./cmake-build-release/masssprings"
'';
in
builtins.concatStringsSep "\n" [
# Launch into pure fish shell
''
exec "$(type -p fish)" -C "source ${initProjectShell} && abbr -a menu '${pkgs.bat}/bin/bat "${initProjectShell}"'"
''
];
};
# TODO: Doesn't work
# FHS environment for renderdoc. Access with "nix develop .#renderdoc".
# https://ryantm.github.io/nixpkgs/builders/special/fhs-environments
# renderdoc =
# (pkgs.buildFHSEnv {
# name = "renderdoc-env";
#
# targetPkgs = pkgs:
# with pkgs; [
# # RenderDoc
# renderdoc
#
# # Build tools
# gcc
# cmake
#
# # Raylib
# raylib
# libGL
# mesa
#
# # X11
# libx11
# libxcursor
# libxrandr
# libxinerama
# libxi
# libxext
# libxfixes
#
# # Wayland
# wayland
# wayland-protocols
# libxkbcommon
# ];
#
# runScript = "fish";
#
# profile = ''
# '';
# }).env;
};
}
);
}

7
src/main.cpp
View File

@ -26,11 +26,6 @@
// - Click states to display them in the board
// - Find shortest path to any winning state and mark it in the graph
// - Also mark the next move along the path on the board
// TODO: Don't tie the simulation step resolution to the FPS (frametime)
// - This breaks the simulation on slower systems
// - Add a modifiable speed setting?
// - Clamp the frametime?
// - Use a fixed step size and control how often it runs per frame?
auto main(int argc, char *argv[]) -> int {
// if (argc < 2) {
@ -43,7 +38,7 @@ auto main(int argc, char *argv[]) -> int {
#endif
// RayLib window setup
// SetTraceLogLevel(LOG_ERROR);
SetTraceLogLevel(LOG_ERROR);
// SetConfigFlags(FLAG_VSYNC_HINT);
SetConfigFlags(FLAG_MSAA_4X_HINT);
SetConfigFlags(FLAG_WINDOW_RESIZABLE);

5
src/renderer.cpp
View File

@ -1,7 +1,6 @@
#include "renderer.hpp"
#include <algorithm>
#include <cstring>
#include <format>
#include <raylib.h>
#include <raymath.h>
@ -12,6 +11,10 @@
#include "klotski.hpp"
#include "mass_springs.hpp"
#ifdef BATCHING
#include <cstring>
#endif
auto OrbitCamera3D::Update(const Mass &current_mass) -> void {
Vector2 mouse = GetMousePosition();
if (mouse.x >= GetScreenWidth() / 2.0 && mouse.y >= MENU_HEIGHT) {