Add Rune support

Cargo.toml

@@ -13,17 +13,27 @@ keywords = ["bevy", "rhai", "scripting", "game", "gamedev"]
 [features]
 lua = ["mlua/luajit"]
 rhai = ["dep:rhai"]
+rune = ["dep:rune"]
 
 [dependencies]
 bevy = { default-features = false, version = "0.13.0", features = [
     "bevy_asset",
 ] }
 serde = "1.0.162"
-rhai = { version = "1.14.0", features = ["sync", "internals", "unchecked"], optional = true }
+rhai = { version = "1.14.0", features = [
+    "sync",
+    "internals",
+    "unchecked",
+], optional = true }
 thiserror = "1.0.40"
 anyhow = "1.0.82"
 tracing = "0.1.40"
-mlua = { version = "0.9.8", features = ["luajit", "vendored", "send"], optional = true }
+mlua = { version = "0.9.8", features = [
+    "luajit",
+    "vendored",
+    "send",
+], optional = true }
+rune = { version = "0.13.3", optional = true, features = ["alloc"] }
 
 [[example]]
 name = "call_function_from_rust_rhai"

assets/tests/lua/call_script_function_with_params.lua

@@ -3,5 +3,5 @@ State = {
 }
 
 function test_func(x)
-	called_with = x
+	State.called_with = x
 end

assets/tests/rune/call_script_function_with_params.rn

@@ -0,0 +1,3 @@
+pub fn test_func(x) {
+	set_state_value("called_with", x);
+}

assets/tests/rune/promise_runtime_error.rn

@@ -0,0 +1,3 @@
+pub fn test_func() {
+	rust_func().then(|x| dbg("abc" + 5));
+}

assets/tests/rune/return_via_promise.rn

@@ -0,0 +1,3 @@
+pub fn test_func() {
+	rust_func().then(|x| set_state_value("x", x));
+}

assets/tests/rune/rust_function_gets_called_from_script.rn

@@ -0,0 +1,3 @@
+pub fn test_func() {
+	rust_func();
+}

assets/tests/rune/rust_function_gets_called_from_script_with_multiple_params.rn

@@ -0,0 +1,3 @@
+pub fn test_func() {
+	rust_func(5, "test");
+}

assets/tests/rune/rust_function_gets_called_from_script_with_param.rn

@@ -0,0 +1,3 @@
+pub fn test_func() {
+	rust_func(5);
+}

assets/tests/rune/script_function_gets_called_from_rust.rn

@@ -0,0 +1,3 @@
+pub fn test_func() {
+	increment_times_called();
+}

assets/tests/rune/script_function_gets_called_from_rust_with_multiple_params.rn

@@ -0,0 +1,4 @@
+pub fn test_func(a, b) {
+	set_state_value("a_value", a);
+	set_state_value("b_value", b);
+}

assets/tests/rune/script_function_gets_called_from_rust_with_single_param.rn

@@ -0,0 +1,3 @@
+pub fn test_func(a) {
+	set_state_value("a_value", a);
+}

assets/tests/rune/side_effects.rn

@@ -0,0 +1,3 @@
+pub fn test_func() {
+	spawn_entity();
+}

src/runtimes/mod.rs

@@ -2,3 +2,5 @@
 pub mod lua;
 #[cfg(feature = "rhai")]
 pub mod rhai;
+#[cfg(feature = "rune")]
+pub mod rune;