diff --git a/.direnv/flake-profile b/.direnv/flake-profile
new file mode 120000
index 0000000..0c05709
--- /dev/null
+++ b/.direnv/flake-profile
@@ -0,0 +1 @@
+flake-profile-1-link
\ No newline at end of file
diff --git a/.direnv/flake-profile-1-link b/.direnv/flake-profile-1-link
new file mode 120000
index 0000000..5f2e094
--- /dev/null
+++ b/.direnv/flake-profile-1-link
@@ -0,0 +1 @@
+/nix/store/92nlyr8jm4zk2rwdz2pvm2jwa5hj6za1-nix-shell-x86_64-w64-mingw32-env
\ No newline at end of file
diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.github/workflows/gw2buttplug-rs.yml b/.github/workflows/gw2buttplug-rs.yml
new file mode 100644
index 0000000..598f96b
--- /dev/null
+++ b/.github/workflows/gw2buttplug-rs.yml
@@ -0,0 +1,112 @@
+env:
+  CI_ALLOW_ROOT: '1'
+  CI_CONFIG: ./ci.nix
+  CI_PLATFORM: gh-actions
+jobs:
+  ci-check:
+    name: gw2buttplug-rs check
+    runs-on: ubuntu-latest
+    steps:
+    - id: checkout
+      name: git clone
+      uses: actions/checkout@v4
+      with:
+        submodules: true
+    - id: nix-install
+      name: nix install
+      uses: arcnmx/ci/actions/nix/install@v0.7
+    - id: ci-action-build
+      name: nix build ci.gh-actions.configFile
+      uses: arcnmx/ci/actions/nix/build@v0.7
+      with:
+        attrs: ci.gh-actions.configFile
+        out-link: .ci/workflow.yml
+    - id: ci-action-compare
+      name: gh-actions compare
+      uses: arcnmx/ci/actions/nix/run@v0.7
+      with:
+        args: -u .github/workflows/gw2buttplug-rs.yml .ci/workflow.yml
+        attrs: nixpkgs.diffutils
+        command: diff
+  main:
+    name: gw2buttplug-rs-main
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+    steps:
+    - id: checkout
+      name: git clone
+      uses: actions/checkout@v4
+      with:
+        submodules: true
+    - id: nix-install
+      name: nix install
+      uses: arcnmx/ci/actions/nix/install@v0.7
+    - id: ci-setup
+      name: nix setup
+      uses: arcnmx/ci/actions/nix/run@v0.7
+      with:
+        attrs: ci.job.main.run.bootstrap
+        quiet: false
+    - id: ci-dirty
+      name: nix test dirty
+      uses: arcnmx/ci/actions/nix/run@v0.7
+      with:
+        attrs: ci.job.main.run.test
+        command: ci-build-dirty
+        quiet: false
+        stdout: ${{ runner.temp }}/ci.build.dirty
+    - id: ci-test
+      name: nix test build
+      uses: arcnmx/ci/actions/nix/run@v0.7
+      with:
+        attrs: ci.job.main.run.test
+        command: ci-build-realise
+        ignore-exit-code: true
+        quiet: false
+        stdin: ${{ runner.temp }}/ci.build.dirty
+    - env:
+        CI_EXIT_CODE: ${{ steps.ci-test.outputs.exit-code }}
+      id: ci-summary
+      name: nix test results
+      uses: arcnmx/ci/actions/nix/run@v0.7
+      with:
+        attrs: ci.job.main.run.test
+        command: ci-build-summarise
+        quiet: false
+        stdin: ${{ runner.temp }}/ci.build.dirty
+        stdout: ${{ runner.temp }}/ci.build.cache
+    - env:
+        CACHIX_SIGNING_KEY: ${{ secrets.CACHIX_SIGNING_KEY }}
+      id: ci-cache
+      if: always()
+      name: nix test cache
+      uses: arcnmx/ci/actions/nix/run@v0.7
+      with:
+        attrs: ci.job.main.run.test
+        command: ci-build-cache
+        quiet: false
+        stdin: ${{ runner.temp }}/ci.build.cache
+    - id: artifact-build
+      name: artifact build
+      uses: arcnmx/ci/actions/nix/build@v0.7
+      with:
+        attrs: config.jobs.main.artifactPackage
+        file: <ci>
+        out-link: .ci/artifacts
+    - id: artifact-upload
+      name: artifact upload
+      uses: actions/upload-artifact@v4
+      with:
+        name: gw2buttplug-rs
+        path: .ci/artifacts/lib/gw2buttplug-rs*.dll
+    - id: release-upload
+      if: startsWith(github.ref, 'refs/tags/')
+      name: release
+      uses: softprops/action-gh-release@v1
+      with:
+        files: .ci/artifacts/lib/gw2buttplug-rs.dll
+name: gw2buttplug-rs
+'on':
+- push
+- pull_request
diff --git a/ci.nix b/ci.nix
new file mode 100644
index 0000000..774b9b2
--- /dev/null
+++ b/ci.nix
@@ -0,0 +1,102 @@
+{ config, pkgs, lib, ... }: with pkgs; with lib; let
+  self = import ./.;
+  packages = self.packages.${pkgs.system};
+  artifactRoot = ".ci/artifacts";
+  artifacts = "${artifactRoot}/lib/gw2buttplug-rs*.dll";
+  release = "${artifactRoot}/lib/gw2buttplug-rs.dll";
+in
+{
+  config = {
+    name = "gw2buttplug-rs";
+    ci.gh-actions = {
+      enable = true;
+      export = true;
+    };
+    # TODO: add cachix
+    cache.cachix.example = {
+      enable = true;
+    };
+    channels = {
+      nixpkgs = {
+        # see https://github.com/arcnmx/nixexprs-rust/issues/10
+        args.config.checkMetaRecursively = false;
+        version = "22.11";
+      };
+    };
+    tasks = {
+      build.inputs = with packages; [ example ];
+      cache.inputs = with packages; [ example example.cargoArtifacts ];
+    };
+    jobs = {
+      main = {
+        tasks = {
+          build-windows.inputs = singleton packages.example;
+          build-windows-space.inputs = singleton packages.example;
+        };
+        artifactPackages = {
+          main = packages.example;
+        };
+      };
+    };
+
+    # XXX: symlinks are not followed, see https://github.com/softprops/action-gh-release/issues/182
+    #artifactPackage = config.artifactPackages.win64;
+    artifactPackage = runCommand "example-artifacts" { } (''
+      mkdir -p $out/lib
+      cp ${config.artifactPackages.main}/lib/gw2buttplug-rs.dll $out/lib/
+    '' + concatStringsSep "\n" (mapAttrsToList (key: addonPath: ''
+        cp ${addonPath}/lib/gw2buttplug-rs.dll $out/lib/nexus_example_addon-${key}.dll
+    '') config.artifactPackages));
+
+    gh-actions = {
+      jobs = mkIf (config.id != "ci") {
+        ${config.id} = {
+          permissions = {
+            contents = "write";
+          };
+          step = {
+            artifact-build = {
+              order = 1100;
+              name = "artifact build";
+              uses = {
+                # XXX: a very hacky way of getting the runner
+                inherit (config.gh-actions.jobs.${config.id}.step.ci-setup.uses) owner repo version;
+                path = "actions/nix/build";
+              };
+              "with" = {
+                file = "<ci>";
+                attrs = "config.jobs.${config.jobId}.artifactPackage";
+                out-link = artifactRoot;
+              };
+            };
+            artifact-upload = {
+              order = 1110;
+              name = "artifact upload";
+              uses.path = "actions/upload-artifact@v4";
+              "with" = {
+                name = "gw2buttplug-rs";
+                path = artifacts;
+              };
+            };
+            release-upload = {
+              order = 1111;
+              name = "release";
+              "if" = "startsWith(github.ref, 'refs/tags/')";
+              uses.path = "softprops/action-gh-release@v1";
+              "with".files = release;
+            };
+          };
+        };
+      };
+    };
+  };
+  options = {
+    artifactPackage = mkOption {
+      type = types.package;
+    };
+    artifactPackages = mkOption {
+      type = with types; attrsOf package;
+    };
+  };
+}
+
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..9e94b40
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,11 @@
+let
+  lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+  flakeCompat = fetchTarball {
+    url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+    sha256 = lock.nodes.flake-compat.locked.narHash;
+  };
+  exampleAddon = import flakeCompat {
+    src = ./.;
+  };
+in
+exampleAddon.defaultNix
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..d2899d7
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,133 @@
+{
+  "nodes": {
+    "crane": {
+      "locked": {
+        "lastModified": 1751562746,
+        "narHash": "sha256-smpugNIkmDeicNz301Ll1bD7nFOty97T79m4GUMUczA=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "aed2020fd3dc26e1e857d4107a5a67a33ab6c1fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1751870679,
+        "narHash": "sha256-aP4korVsN5Yy+PB9zjjm8Qbo3a69/m8vlFXS5mdVXtk=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "95606d64662a730da5d3031ed798dd6315d35f33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1747046372,
+        "narHash": "sha256-CIVLLkVgvHYbgI2UpXvIIBJ12HWgX+fjA8Xf8PUmqCY=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1751852175,
+        "narHash": "sha256-+MLlfTCCOvz4K6AcSPbaPiFM9MYi7fA2Wr1ibmRwIlM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "2defa37146df235ef62f566cde69930a86f14df1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "crane": "crane",
+        "fenix": "fenix",
+        "flake-compat": "flake-compat",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1751792916,
+        "narHash": "sha256-YjyurHKMrUYKjnujSqjpFtHGYFCGr2Xpo1Xc1AYT1+M=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "0ac65592a833bf40238831dd10e15283d63c46d5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..116a7d8
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,65 @@
+{
+  description = "nexus-rs addon fo yo hole";
+  inputs = {
+    flake-compat = {
+      url = "github:edolstra/flake-compat";
+      flake = false;
+    };
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    crane.url = "github:ipetkov/crane";
+  };
+
+  outputs = { self, fenix, flake-utils, crane, nixpkgs, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = (import nixpkgs) {
+          inherit system;
+          crossSystem.config = "x86_64-w64-mingw32";
+        };
+
+        packageToolchain = with fenix.packages.${system};
+          combine [
+            minimal.rustc
+            minimal.cargo
+            targets.x86_64-pc-windows-gnu.latest.rust-std
+          ];
+
+        packageCraneLib = (crane.mkLib pkgs).overrideToolchain (p: packageToolchain);
+
+        example = pkgs.callPackage ./package.nix {
+          craneLib = packageCraneLib;
+        };
+
+        shellToolchain = with fenix.packages.${system};
+          combine [
+            complete
+            rust-analyzer
+            targets.x86_64-pc-windows-gnu.latest.rust-std
+          ];
+
+        shellCraneLib = (crane.mkLib pkgs).overrideToolchain (p: shellToolchain);
+
+        exampleShell = import ./shell.nix {
+          inherit fenix pkgs system;
+        };
+      in
+      rec {
+        defaultPackage = packages.x86_64-pc-windows-gnu;
+        inherit pkgs;
+        devShells.default = exampleShell;
+
+        packages = {
+          inherit example;
+          default = example;
+        };
+      });
+}
+
diff --git a/package.nix b/package.nix
new file mode 100644
index 0000000..59b6873
--- /dev/null
+++ b/package.nix
@@ -0,0 +1,43 @@
+{ lib, buildPackages, craneLib, stdenv, windows, pkg-config, features ? []}:
+
+craneLib.buildPackage rec {
+  src = ./.;
+  strictDeps = true;
+  cargoExtraArgs = if features != [] then lib.escapeShellArgs (["--features"] ++ features) else "";
+
+    buildInputs = [
+      stdenv.cc
+      windows.pthreads
+  ];
+
+  depsBuildBuild = [
+      pkg-config
+  ];
+
+  # libgit2 stuff is given as an example of how to provide libraries to the build process
+  #LD_LIBRARY_PATH="${lib.makeLibraryPath [buildPackages.buildPackages.libgit2]}";
+
+    nativeBuildInputs = [
+      buildPackages.stdenv.cc
+      #libgit2
+  ];
+
+  doCheck = false;
+
+  LIBGIT2_NO_VENDOR = 1;
+
+  # Tells Cargo that we're building for Windows.
+  # (https://doc.rust-lang.org/cargo/reference/config.html#buildtarget)
+  CARGO_BUILD_TARGET = "x86_64-pc-windows-gnu";
+
+  #TARGET_CC = "${pkgsCross.stdenv.cc}/bin/${pkgsCross.stdenv.cc.targetPrefix}cc";
+  TARGET_CC = "${stdenv.cc.targetPrefix}cc";
+
+  # Build without a dependency not provided by wine
+  CXXFLAGS_x86_64_pc_windows_gnu = "-Oz -shared -fno-threadsafe-statics";
+  PROFILE="release";
+  CARGO_BUILD_RUSTFLAGS = [
+    "-C"
+    "linker=${TARGET_CC}"
+  ];
+}
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..e2d4b62
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,46 @@
+{ fenix ? (import (builtins.fetchTarball "https://github.com/nix-community/fenix/archive/main.tar.gz") { })
+, pkgs ? (import <nixpkgs> {
+    crossSystem = {
+      config = "x86_64-w64-mingw32";
+    };
+  })
+, system ? builtins.currentSystem
+}:
+let
+  fenix' = fenix.packages.${system};
+in
+pkgs.callPackage
+  ({ mkShell, lib, buildPackages, stdenv, windows, libgit2, pkg-config }: mkShell rec {
+    buildInputs = [
+      stdenv.cc
+      windows.pthreads
+  ];
+
+  depsBuildBuild = [
+      pkg-config
+  ];
+
+  LD_LIBRARY_PATH="${lib.makeLibraryPath [buildPackages.buildPackages.libgit2]}";
+    nativeBuildInputs = [
+      buildPackages.stdenv.cc
+      libgit2
+      (fenix'.combine [
+        (fenix'.complete.withComponents [
+          "cargo"
+          "rust-src"
+          "clippy"
+          "rustc"
+        ])
+        fenix'.rust-analyzer
+        fenix'.latest.rustfmt
+        fenix'.targets.x86_64-pc-windows-gnu.latest.rust-std
+      ])
+    ];
+
+    LIBGIT2_NO_VENDOR=1;
+    CARGO_BUILD_TARGET = "x86_64-pc-windows-gnu";
+    TARGET_CC = "${stdenv.cc.targetPrefix}cc";
+    CARGO_TARGET_X86_64_PC_WINDOWS_GNU_LINKER = TARGET_CC;
+    CXXFLAGS_x86_64_pc_windows_gnu = "-Oz -shared -fno-threadsafe-statics";
+  })
+{ }