https://godot-rust.github.io/book/intro/hello-world.html

2025-03-02 13:34:38 -07:00 · 2025-03-02 13:34:38 -07:00 · b04ab122eb
parent c2f05eaeb0
commit b04ab122eb
12 changed files with 357 additions and 109 deletions
--- a/gd/node_2d.tscn
+++ b/gd/node_2d.tscn
@ -1,3 +0,0 @@
-[gd_scene format=3 uid="uid://dg85xsdqg6wj0"]
-
-[node name="Node2D" type="Node2D"]
--- a/src/godot/README.md
+++ b/src/godot/README.md
--- a/src/godot/Rust.gdextension
+++ b/src/godot/Rust.gdextension
@ -0,0 +1,14 @@
+[configuration]
+entry_symbol = "gdext_rust_init"
+compatibility_minimum = 4.1
+reloadable = true
+
+[libraries]
+linux.debug.x86_64 =     "res://../rust/target/debug/libprice_is_wrong.so"
+linux.release.x86_64 =   "res://../rust/target/release/libprice_is_wrong.so"
+windows.debug.x86_64 =   "res://../rust/target/debug/price_is_wrong.dll"
+windows.release.x86_64 = "res://../rust/target/release/price_is_wrong.dll"
+macos.debug =            "res://../rust/target/debug/libprice_is_wrong.dylib"
+macos.release =          "res://../rust/target/release/libprice_is_wrong.dylib"
+macos.debug.arm64 =      "res://../rust/target/debug/libprice_is_wrong.dylib"
+macos.release.arm64 =    "res://../rust/target/release/libprice_is_wrong.dylib"
--- a/src/godot/gd/node_2d.tscn
+++ b/src/godot/gd/node_2d.tscn
@ -0,0 +1,9 @@
+[gd_scene load_steps=2 format=3 uid="uid://dg85xsdqg6wj0"]
+
+[ext_resource type="Texture2D" uid="uid://cneqjngiworik" path="res://icon.svg" id="1_swwii"]
+
+[node name="Node2D" type="Node2D"]
+
+[node name="BreeLPlayer" type="BreeLPlayer" parent="."]
+position = Vector2(556, 302)
+texture = ExtResource("1_swwii")
--- a/src/godot/icon.svg
+++ b/src/godot/icon.svg
--- a/src/godot/icon.svg.import
+++ b/src/godot/icon.svg.import
--- a/src/godot/project.godot
+++ b/src/godot/project.godot
@ -11,6 +11,7 @@ config_version=5
 [application]

 config/name="price-is-wrong"
+run/main_scene="res://gd/node_2d.tscn"
 config/features=PackedStringArray("4.3", "GL Compatibility")
 config/icon="res://icon.svg"

--- a/src/rust/Cargo.lock
+++ b/src/rust/Cargo.lock
@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 4

+[[package]]
+name = "aho-corasick"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.96"
@ -186,6 +195,24 @@ dependencies = [
 "slab",
 ]

+[[package]]
+name = "gdextension-api"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af8707eca996b28193b772a4a9a28a97364bb93c97e3c313542e812f2963fb93"
+
+[[package]]
+name = "gensym"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "913dce4c5f06c2ea40fc178c06f777ac89fc6b1383e90c254fafb1abe4ba3c82"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "uuid",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.3.1"
@ -198,12 +225,101 @@ dependencies = [
 "windows-targets",
 ]

+[[package]]
+name = "glam"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "779ae4bf7e8421cf91c0b3b64e7e8b40b862fba4d393f59150042de7c4965a94"
+
 [[package]]
 name = "glob"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2"

+[[package]]
+name = "godot"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a29a3646d4b02bf4587fedba4ac7b44a47d45c933fd85ba7e61292408818eaa4"
+dependencies = [
+ "godot-core",
+ "godot-macros",
+]
+
+[[package]]
+name = "godot-bindings"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0014540bff93ba275031bc852f1cf9a3ff3216f02cdd51dc249745dccc8c578"
+dependencies = [
+ "gdextension-api",
+]
+
+[[package]]
+name = "godot-cell"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88184d525d763ebc88ff6806ffee35e19c7118d5c9e4eedbc74e70e069f8a671"
+
+[[package]]
+name = "godot-codegen"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "caa72d9b8be812fef2932f2a172b80c8b3feaee030571682f8f770c3d1c348d8"
+dependencies = [
+ "godot-bindings",
+ "heck",
+ "nanoserde",
+ "proc-macro2",
+ "quote",
+ "regex",
+]
+
+[[package]]
+name = "godot-core"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ff8345372e4c990ca592d7b61490ef88ff249fc77226f5b79beca173b4a0458"
+dependencies = [
+ "glam",
+ "godot-bindings",
+ "godot-cell",
+ "godot-codegen",
+ "godot-ffi",
+]
+
+[[package]]
+name = "godot-ffi"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "606d08085bd590d2f9c72633d4d218fee665ab3a0760b2d9daff2d964d628def"
+dependencies = [
+ "gensym",
+ "godot-bindings",
+ "godot-codegen",
+ "libc",
+ "paste",
+]
+
+[[package]]
+name = "godot-macros"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c11b3188e54ebacf88feb4c968ed19048a71a329c4cfd4a06cf374f18357a36"
+dependencies = [
+ "godot-bindings",
+ "proc-macro2",
+ "quote",
+ "venial",
+]
+
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
 [[package]]
 name = "itoa"
 version = "1.0.14"
@ -228,6 +344,21 @@ version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"

+[[package]]
+name = "nanoserde"
+version = "0.1.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5de9cf844ab1e25a0353525bd74cb889843a6215fa4a0d156fd446f4857a1b99"
+dependencies = [
+ "nanoserde-derive",
+]
+
+[[package]]
+name = "nanoserde-derive"
+version = "0.1.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e943b2c21337b7e3ec6678500687cdc741b7639ad457f234693352075c082204"
+
 [[package]]
 name = "native_db"
 version = "0.8.1"
@ -287,6 +418,12 @@ version = "1.20.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "945462a4b81e43c4e3ba96bd7b49d834c6f61198356aa858733bc4acf3cbe62e"

+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.16"
@ -304,6 +441,7 @@ name = "price-is-wrong"
 version = "0.1.0"
 dependencies = [
 "futures",
+ "godot",
 "native_db",
 "native_model",
 "serde",
@ -356,6 +494,35 @@ dependencies = [
 "libc",
 ]

+[[package]]
+name = "regex"
+version = "1.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
+
 [[package]]
 name = "rustix"
 version = "0.38.44"
@ -506,6 +673,25 @@ version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00e2473a93778eb0bad35909dff6a10d28e63f792f16ed15e404fca9d5eeedbe"

+[[package]]
+name = "uuid"
+version = "1.15.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0f540e3240398cce6128b64ba83fdbdd86129c16a3aa1a3a252efd66eb3d587"
+dependencies = [
+ "getrandom",
+]
+
+[[package]]
+name = "venial"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a42528baceab6c7784446df2a10f4185078c39bf73dc614f154353f1a6b1229"
+dependencies = [
+ "proc-macro2",
+ "quote",
+]
+
 [[package]]
 name = "version_check"
 version = "0.9.5"
--- a/src/rust/Cargo.toml
+++ b/src/rust/Cargo.toml
@ -5,6 +5,10 @@ edition = "2024"

 [dependencies]
 futures = "0.3.31"
+godot = "0.2.4"
 native_db = "0.8.1"
 native_model = "0.4.20"
 serde = "1.0.218"
+
+[lib]
+crate-type = ["cdylib"]
--- a/src/rust/src/db.rs
+++ b/src/rust/src/db.rs
@ -0,0 +1,111 @@
+mod main {
+   use {super::data};
+
+   pub fn main() {
+      let db = data::DB::new().expect("could not make db");
+   }
+
+   #[cfg(test)]
+   mod tests {
+      use super::*;
+
+       #[test]
+      fn test_main() {
+         main();
+      }
+   }
+}
+
+mod data {
+   mod models {
+      use {
+         native_db::{
+            native_db,
+            ToKey,
+         },
+         native_model::{
+            native_model,
+            Model,
+         },
+         serde::{Deserialize, Serialize},
+      };
+
+      pub mod v1 {
+         use super::*;
+
+         #[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
+         #[native_model(id = 1, version = 1)]
+         #[native_db]
+         pub struct Person {
+            #[primary_key]
+            pub name: String,
+         }
+      }
+   }
+
+   use native_db::*;
+
+   pub type Person = models::v1::Person;
+
+   static MODELS: std::sync::LazyLock<Models> = std::sync::LazyLock::new(|| {
+      let mut models = Models::new();
+      models.define::<Person>().expect("failed to define person");
+      models
+   });
+
+   pub struct DB<'a> {
+      db: Database<'a>,
+   }
+
+   impl<'a> DB<'a> {
+      pub fn new() -> Result<DB<'a>, String> {
+         let db = match Builder::new().create_in_memory(&MODELS) {
+            Ok(db) => Ok(db),
+            Err(msg) => Err(msg.to_string()),
+         }?;
+         Ok(DB{
+            db: db,
+         })
+      }
+
+      pub fn insert<T: ToInput>(self: &DB<'a>, v: T) -> Result<(), String> {
+         let t = match self.db.rw_transaction() {
+            Ok(t) => t,
+            Err(msg) => return Err(msg.to_string()),
+         };
+         if let Err(msg) = t.insert(v) {
+            return Err(msg.to_string());
+         }
+         if let Err(msg) = t.commit() {
+            return Err(msg.to_string());
+         }
+         Ok(())
+      }
+
+      pub fn get<T: ToInput, S: ToKey>(self: &DB<'a>, primary: S) -> Result<Option<T>, String> {
+         let t = match self.db.r_transaction() {
+            Ok(t) => t,
+            Err(msg) => return Err(msg.to_string()),
+         };
+         match t.get().primary(primary) {
+            Ok(v) => Ok(v),
+            Err(msg) => Err(msg.to_string()),
+         }
+      }
+   }
+
+   #[cfg(test)]
+   mod tests {
+      use super::*;
+
+       #[test]
+      fn mvp() {
+         let db = DB::new().expect("could not make db");
+         let person = Person{name: "me".to_string()};
+         db.insert(person.clone()).expect("could not insert person");
+         assert_eq!(person, db.get("me".to_string()).expect("could not get").expect("got none"));
+      }
+   }
+}
+
+
--- a/src/rust/src/lib.rs
+++ b/src/rust/src/lib.rs
@ -1,110 +1,9 @@
-mod main {
-   use {super::data};
+use godot::prelude::*;

-   pub fn main() {
-      let db = data::DB::new().expect("could not make db");
-   }
+struct MyExtension;

-   #[cfg(test)]
-   mod tests {
-      use super::*;
-
-       #[test]
-      fn test_main() {
-         main();
-      }
-   }
-}
-
-mod data {
-   mod models {
-      use {
-         native_db::{
-            native_db,
-            ToKey,
-         },
-         native_model::{
-            native_model,
-            Model,
-         },
-         serde::{Deserialize, Serialize},
-      };
-
-      pub mod v1 {
-         use super::*;
-
-         #[derive(Serialize, Deserialize, Debug, PartialEq, Clone)]
-         #[native_model(id = 1, version = 1)]
-         #[native_db]
-         pub struct Person {
-            #[primary_key]
-            pub name: String,
-         }
-      }
-   }
-
-   use native_db::*;
-
-   pub type Person = models::v1::Person;
-
-   static MODELS: std::sync::LazyLock<Models> = std::sync::LazyLock::new(|| {
-      let mut models = Models::new();
-      models.define::<Person>().expect("failed to define person");
-      models
-   });
-
-   pub struct DB<'a> {
-      db: Database<'a>,
-   }
-
-   impl<'a> DB<'a> {
-      pub fn new() -> Result<DB<'a>, String> {
-         let db = match Builder::new().create_in_memory(&MODELS) {
-            Ok(db) => Ok(db),
-            Err(msg) => Err(msg.to_string()),
-         }?;
-         Ok(DB{
-            db: db,
-         })
-      }
-
-      pub fn insert<T: ToInput>(self: &DB<'a>, v: T) -> Result<(), String> {
-         let t = match self.db.rw_transaction() {
-            Ok(t) => t,
-            Err(msg) => return Err(msg.to_string()),
-         };
-         if let Err(msg) = t.insert(v) {
-            return Err(msg.to_string());
-         }
-         if let Err(msg) = t.commit() {
-            return Err(msg.to_string());
-         }
-         Ok(())
-      }
-
-      pub fn get<T: ToInput, S: ToKey>(self: &DB<'a>, primary: S) -> Result<Option<T>, String> {
-         let t = match self.db.r_transaction() {
-            Ok(t) => t,
-            Err(msg) => return Err(msg.to_string()),
-         };
-         match t.get().primary(primary) {
-            Ok(v) => Ok(v),
-            Err(msg) => Err(msg.to_string()),
-         }
-      }
-   }
-
-   #[cfg(test)]
-   mod tests {
-      use super::*;
-
-       #[test]
-      fn mvp() {
-         let db = DB::new().expect("could not make db");
-         let person = Person{name: "me".to_string()};
-         db.insert(person.clone()).expect("could not insert person");
-         assert_eq!(person, db.get("me".to_string()).expect("could not get").expect("got none"));
-      }
-   }
+#[gdextension]
+unsafe impl ExtensionLibrary for MyExtension {
 }

+pub mod player;
--- a/src/rust/src/player.rs
+++ b/src/rust/src/player.rs
@ -0,0 +1,27 @@
+use godot::{prelude::*, classes::{ISprite2D, Sprite2D}};
+#[derive(GodotClass)]
+#[class(base=Sprite2D)]
+struct BreeLPlayer {
+   base: Base<Sprite2D>
+}
+
+#[godot_api]
+impl ISprite2D for BreeLPlayer {
+   fn init(base: Base<Sprite2D>) -> Self {
+      eprintln!("init");
+      BreeLPlayer{base: base}
+   }
+
+   fn physics_process(&mut self, delta: f64) {
+      eprintln!("physics_process({delta})");
+   }
+}
+
+#[godot_api]
+impl BreeLPlayer {
+   fn drop(&mut self) {
+      eprintln!("drop");
+   }
+}
+
+