From 73ea5ace97f80cd93499c1eb851093e4d13129c4 Mon Sep 17 00:00:00 2001
From: David Konsumer <konsumer@jetboystudio.com>
Date: Fri, 18 Oct 2024 17:10:15 -0700
Subject: [PATCH] fixed AS passing pointers  using correct runtime

---
 cart/as/build.js               |  8 +++-----
 cart/as/src/main.ts            |  2 +-
 null0_api/src/null0_api_wamr.h | 10 ++++------
 3 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/cart/as/build.js b/cart/as/build.js
index cd33165..68c8411 100644
--- a/cart/as/build.js
+++ b/cart/as/build.js
@@ -18,9 +18,7 @@ await writeFile('build/tmp.ts', (await readFile('null0.ts')) + '\n// user-code:\
 
 const { error, stdout, stderr, stats } = await asc.main([
   'build/tmp.ts',
-  // '--lowMemoryLimit',
-  '--stackSize', '2097152',
-  '--runtime', 'stub',
+  '--runtime', 'minimal',
   '--config', './node_modules/@assemblyscript/wasi-shim/asconfig.json',
   '--optimizeLevel', '3',
   '--shrinkLevel', '2',
@@ -33,7 +31,7 @@ await unlink('build/tmp.ts')
 
 if (error) {
   console.error(stderr.toString())
-}else {
+} else {
   console.log(`Creating build/${npm_package_name}.null0`)
   await copy('src/assets', `build/${npm_package_name}/assets`)
   const output = createWriteStream(`build/${npm_package_name}.null0`)
@@ -41,4 +39,4 @@ if (error) {
   archive.directory(`build/${npm_package_name}`, false)
   await archive.finalize()
   await copy(`build/${npm_package_name}.null0`, `../../build/cart/${npm_package_name}.null0`)
-}
\ No newline at end of file
+}
diff --git a/cart/as/src/main.ts b/cart/as/src/main.ts
index 2c2367e..9884951 100644
--- a/cart/as/src/main.ts
+++ b/cart/as/src/main.ts
@@ -11,7 +11,7 @@ export function load(): void {
   
   const t = file_read("assets/cyber.txt")
   trace(`WASM ArrayBuffer size: ${t.byteLength.toString()}`)
-  trace(String.UTF8.decode(t))
+  trace(String.UTF8.decode(t, false))
 }
 
 // called on every frame
diff --git a/null0_api/src/null0_api_wamr.h b/null0_api/src/null0_api_wamr.h
index 3338c2d..846a4f2 100755
--- a/null0_api/src/null0_api_wamr.h
+++ b/null0_api/src/null0_api_wamr.h
@@ -60,12 +60,10 @@ void params_from_sfx_to_wasm(SfxParams* s, SfxParams* sOut) {
 }
 
 // Read a file from cart (or local persistant)
-// currently having issues in AS, so maybe try https://github.com/bytecodealliance/wasm-micro-runtime/issues/2751
-static void wamr_null0_file_read(wasm_exec_env_t exec_env, char* filename, uint32_t* bytesRead, char* retBytes) {
-  char* bytesHost = null0_file_read(filename, bytesRead);
-  memcpy(retBytes, bytesHost, *bytesRead);
-  printf("HOST bytesRead: %u\n", *bytesRead);
-  free(bytesHost);
+// ($**)
+static void wamr_null0_file_read(wasm_exec_env_t exec_env, char* filename, uint32_t* wasmBytesRead, char* wasmRetBytes) {
+  char* hostBytes = null0_file_read(filename, wasmBytesRead);
+  memcpy(wasmRetBytes, hostBytes, *wasmBytesRead);
 }
 
 // Get the user's writable dir (where file writes or appends go)