moved set_panic_hook to engine initialization for wasm builds

fyrox-impl/src/engine/mod.rs

@@ -28,6 +28,7 @@ pub mod executor;
 pub mod task;
 
 mod hotreload;
+mod wasm_utils;
 
 use crate::scene::skybox::SkyBoxKind;
 use crate::{
@@ -1441,6 +1442,9 @@ impl Engine {
             task_pool,
         } = params;
 
+        #[cfg(target_arch = "wasm32")]
+        wasm_utils::set_panic_hook();
+
         initialize_resource_manager_loaders(&resource_manager, serialization_context.clone());
 
         let (rx, tx) = channel();

fyrox-impl/src/engine/wasm_utils.rs

@@ -0,0 +1,56 @@
+// Copyright (c) 2019-present Dmitry Stepanov and Fyrox Engine contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+#![cfg(target_arch = "wasm32")]
+
+use crate::core::wasm_bindgen::{self, prelude::*};
+
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(js_namespace = console)]
+    fn error(msg: String);
+
+    type Error;
+
+    #[wasm_bindgen(constructor)]
+    fn new() -> Error;
+
+    #[wasm_bindgen(structural, method, getter)]
+    fn stack(error: &Error) -> String;
+}
+
+fn custom_panic_hook(info: &std::panic::PanicHookInfo) {
+    let mut msg = info.to_string();
+    msg.push_str("\n\nStack:\n\n");
+    let e = Error::new();
+    let stack = e.stack();
+    msg.push_str(&stack);
+    msg.push_str("\n\n");
+    error(msg);
+}
+
+#[inline]
+pub(super) fn set_panic_hook() {
+    use std::sync::Once;
+    static SET_HOOK: Once = Once::new();
+    SET_HOOK.call_once(|| {
+        std::panic::set_hook(Box::new(custom_panic_hook));
+    });
+}

template-core/src/lib.rs

@@ -328,47 +328,15 @@ fyrox = {{workspace = true}}
         format!(
             r#"//! Executor with your game connected to it as a plugin.
 #![cfg(target_arch = "wasm32")]
+
 use fyrox::engine::executor::Executor;
 use fyrox::event_loop::EventLoop;
-use {name}::Game;
 use fyrox::core::wasm_bindgen::{{self, prelude::*}};
 
-#[wasm_bindgen]
-extern "C" {{
-    #[wasm_bindgen(js_namespace = console)]
-    fn error(msg: String);
-
-    type Error;
-
-    #[wasm_bindgen(constructor)]
-    fn new() -> Error;
-
-    #[wasm_bindgen(structural, method, getter)]
-    fn stack(error: &Error) -> String;
-}}
-
-fn custom_panic_hook(info: &std::panic::PanicHookInfo) {{
-    let mut msg = info.to_string();
-    msg.push_str("\n\nStack:\n\n");
-    let e = Error::new();
-    let stack = e.stack();
-    msg.push_str(&stack);
-    msg.push_str("\n\n");
-    error(msg);
-}}
-
-#[inline]
-pub fn set_panic_hook() {{
-    use std::sync::Once;
-    static SET_HOOK: Once = Once::new();
-    SET_HOOK.call_once(|| {{
-        std::panic::set_hook(Box::new(custom_panic_hook));
-    }});
-}}
+use {name}::Game;
 
 #[wasm_bindgen]
 pub fn main() {{
-    set_panic_hook();
     let mut executor = Executor::new(Some(EventLoop::new().unwrap()));
     executor.add_plugin(Game::default());
     executor.run()