Finish engineHEADmain

1 files changed, 22 insertions, 0 deletions

diff --git a/platforms/tortuise-script-wasm/src/scene.rs b/platforms/tortuise-script-wasm/src/scene.rs
new file mode 100644
index 0000000..93889a7
--- /dev/null
+++ b/platforms/tortuise-script-wasm/src/scene.rs
@@ -0,0 +1,22 @@
+use crate::ScriptContext;
+
+mod tortuise {
+	#[link(wasm_import_module = "tortuise")]
+	unsafe extern "C" {
+		pub unsafe fn scene_id_by_name(context: u64, name: *const u8, length: usize) -> usize;
+		pub safe fn switch_scene(context: u64, id: usize);
+	}
+}
+
+impl ScriptContext<'_> {
+	pub fn scene_id(&self, name: &str) -> Option<usize> {
+		let id = unsafe { tortuise::scene_id_by_name(self.0, name.as_ptr(), name.len()) };
+		(id < usize::MAX).then_some(id)
+	}
+
+	pub fn switch_scene(&mut self, name: &str) -> Option<()> {
+		let id = self.scene_id(name)?;
+		tortuise::switch_scene(self.0, id);
+		Some(())
+	}
+}