First Commit

.gitignore

@@ -0,0 +1,15 @@
+# Godot-specific ignores
+.import/
+export.cfg
+export_presets.cfg
+
+# Imported translations (automatically generated from CSV files)
+*.translation
+
+# Mono-specific ignores
+.mono/
+data_*/
+
+# Project-specific ignores
+exports/
+

default_env.tres

@@ -0,0 +1,7 @@
+[gd_resource type="Environment" load_steps=2 format=2]
+
+[sub_resource type="ProceduralSky" id=1]
+
+[resource]
+background_mode = 2
+background_sky = SubResource( 1 )

hello_world.gdns

@@ -0,0 +1,8 @@
+[gd_resource type="NativeScript" load_steps=2 format=2]
+
+[ext_resource path="res://rust-library.gdnlib" type="GDNativeLibrary" id=1]
+
+[resource]
+resource_name = "HelloWorld"
+class_name = "HelloWorld"
+library = ExtResource( 1 )

icon.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icon.png"
+dest_files=[ "res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+process/normal_map_invert_y=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

project.godot

@@ -0,0 +1,27 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=4
+
+[application]
+
+config/name="godot-rust-template"
+run/main_scene="res://test.tscn"
+config/icon="res://icon.png"
+
+[gui]
+
+common/drop_mouse_on_gui_input_disabled=true
+
+[physics]
+
+common/enable_pause_aware_picking=true
+
+[rendering]
+
+environment/default_environment="res://default_env.tres"

rust-library.gdnlib

@@ -0,0 +1,20 @@
+[general]
+
+singleton=false
+load_once=true
+symbol_prefix="godot_"
+reloadable=true
+
+[entry]
+
+HTML5.wasm32="res://rust/target/wasm32-unknown-emscripten/release/rustside_godot.wasm"
+OSX.64="res://rust/target/release/librustside_godot.dylib"
+Windows.64="res://rust/target/release/rustside_godot.dll"
+X11.64="res://rust/target/release/librustside_godot.so"
+
+[dependencies]
+
+HTML5.wasm32=[  ]
+OSX.64=[  ]
+Windows.64=[  ]
+X11.64=[  ]

rust/.cargo/config.toml

@@ -0,0 +1,6 @@
+[target.wasm32-unknown-emscripten]
+rustflags = [
+    "-Clink-arg=-sSIDE_MODULE=2", # build a side module that Godot can load
+    "-Zlink-native-libraries=no", # workaround for a wasm-ld error during linking
+    "-Cpanic=abort", # workaround for a runtime error related to dyncalls
+]

rust/.envrc

@@ -0,0 +1 @@
+use flake

rust/.gitignore

@@ -0,0 +1,3 @@
+/target
+/Cargo.lock
+/.direnv

rust/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "rustside-godot"
+version = "0.1.0"
+authors = ["The godot-rust developers"]
+publish = false
+edition = "2021"
+rust-version = "1.63"
+license = "MIT"
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+gdnative = "*"

rust/flake.lock

@@ -0,0 +1,94 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1656363765,
+        "narHash": "sha256-al9eMT2a66tiQQMys40orUS7f2Wg9cBqbEd321HE/EA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ff8b619cfecb98bb94ae49ca7ceca937923a75fa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ff8b619cfecb98bb94ae49ca7ceca937923a75fa",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1665296151,
+        "narHash": "sha256-uOB0oxqxN9K7XGF1hcnY+PQnlQJ+3bP2vCn/+Ru/bbc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "14ccaaedd95a488dd7ae142757884d8e125b3363",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1672712534,
+        "narHash": "sha256-8S0DdMPcbITnlOu0uA81mTo3hgX84wK8S9wS34HEFY4=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "69fb7bf0a8c40e6c4c197fa1816773774c8ac59f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

rust/flake.nix

@@ -0,0 +1,29 @@
+{
+  inputs = {
+    nixpkgs.url =
+      "github:NixOS/nixpkgs/ff8b619cfecb98bb94ae49ca7ceca937923a75fa";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, rust-overlay, flake-utils, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        overlays = [ (import rust-overlay) ];
+        pkgs = import nixpkgs { inherit system overlays; };
+      in with pkgs; {
+        devShells.default = mkShell {
+          buildInputs = [
+            (rust-bin.nightly."2022-09-02".default.override {
+              extensions = [ "rust-src" ];
+              targets = [ "wasm32-unknown-emscripten" ];
+            })
+            libclang
+            emscripten
+          ];
+          C_INCLUDE_PATH = "${emscripten}/share/emscripten/cache/sysroot/include";
+          LIBCLANG_PATH = "${libclang.lib}/lib";
+          EM_CACHE = "/tmp/emscripten-cache";
+        };
+      });
+}

rust/src/lib.rs

@@ -0,0 +1,23 @@
+use gdnative::prelude::*;
+
+#[derive(NativeClass)]
+#[inherit(Node)]
+struct HelloWorld;
+
+#[methods]
+impl HelloWorld {
+    fn new(_owner: &Node) -> Self {
+        HelloWorld
+    }
+
+    #[method]
+    fn _ready(&self) {
+        godot_print!("Hello from Rust!")
+    }
+}
+
+fn init(handle: InitHandle) {
+    handle.add_class::<HelloWorld>();
+}
+
+godot_init!(init);

test.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://hello_world.gdns" type="Script" id=1]
+
+[node name="Node2D" type="Node2D"]
+script = ExtResource( 1 )