Misc Go interop fixes

crates/editor/src/go_builder.rs

@@ -3,8 +3,7 @@ use std::{fs::File, io::Read, path::{Path, PathBuf}, process::Command};
 use viperid::VResult;
 
 pub struct GoBuilder {
-    project_directory: PathBuf,
-    entry_point: PathBuf
+    project_directory: PathBuf
 }
 
 impl GoBuilder {
@@ -27,15 +26,9 @@ impl GoBuilder {
             anyhow::bail!("project directory must exist: {}", project_directory.to_string_lossy())
         }
 
-        let entry_point = project_directory.join("main.go");
-        if !entry_point.exists() {
-            anyhow::bail!("entry point must exist: {}", entry_point.to_string_lossy())
-        }
-
         // OK, we should be able to do things with Go without any errors
         Ok(GoBuilder {
             project_directory: PathBuf::from(project_directory),
-            entry_point
         })
     }
 
@@ -47,24 +40,17 @@ impl GoBuilder {
                 self.project_directory.to_string_lossy()
             );
         }
-        if !self.entry_point.exists() {
-            anyhow::bail!(
-                "entry point disappeared: {}", 
-                self.entry_point.to_string_lossy()
-            );
-        }
 
-        let project_directory = &self.project_directory;
-        let entry_point = &self.entry_point;
-        let build_directory = project_directory.join("build");
+        let build_directory = self.project_directory.join("build");
         let wasm_name = build_directory.join("game.wasm");
 
         let mut child = Command::new("go")
-            .args(["build", "-o"]).arg(&wasm_name)
+            .arg("-C").arg(self.project_directory.clone())
+            .args(["build", "-o"]).arg("build/game.wasm")
             .env("GOOS", "wasip1")
             .env("GOARCH", "wasm")
             .arg("-trimpath")
-            .arg(entry_point)
+            .arg(".")
             .spawn()?;
         let status = child.wait()?;
         if !status.success() {

crates/editor/src/main.rs

@@ -1,6 +1,7 @@
 use std::path::PathBuf;
 
-use viperid::{Device, VResult};
+use player::HOSTED_DEVICE;
+use viperid::VResult;
 
 use crate::go_builder::GoBuilder;
 
@@ -10,11 +11,10 @@ fn main() -> VResult<()> {
     let builder = GoBuilder::new(
         &PathBuf::from("example_project"))?;
     let wasm = builder.build()?;
-    let device = Device::new();
 
-    let mut executor = player::Executor::new(device.share(), &wasm)?;
+    let mut executor = player::Executor::new(&wasm)?;
 
-    minifb_host::host(device, || {
+    minifb_host::host(HOSTED_DEVICE.with(|d| d.share()), || {
         executor.update();
         executor.get_error()?;
         Ok(())