From befe5320de589d223baeff8914515753a5896b61 Mon Sep 17 00:00:00 2001
From: Mitya Selivanov <automainint@guattari.tech>
Date: Tue, 14 Jan 2025 08:28:56 +0100
Subject: wasm fixes

---
 index.htm | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

(limited to 'index.htm')

diff --git a/index.htm b/index.htm
index e06e63b..0e5b1fb 100644
--- a/index.htm
+++ b/index.htm
@@ -63,22 +63,26 @@
                     },
                   }
                 ).then((program) => {
-                  program.exports.js_main(
-                    options.processorOptions.href // FIXME
-                  );
+                  this.memory_buffer = program.exports.memory.buffer;
+
+                  let href_bytes   = options.processorOptions.href;
+                  let href_address = program.exports.js_href();
+                  let href_len     = Math.min(program.exports.js_href_size(), href_bytes.length);
+                  new Uint8Array(this.memory_buffer, href_address, href_len).set(href_bytes.subarray(0, href_len));
+
+                  program.exports.js_main();
 
-                  this.memory_buffer        = program.exports.memory.buffer;
                   this.sound_buffer_address = program.exports.js_sound_buffer();
                   this.pixels_address       = program.exports.js_pixels();
                   this.frames               = new Float32Array(this.memory_buffer, this.sound_buffer_address, program.exports.js_max_num_audio_frames());
 
                   let bytes         = new Uint8Array(this.memory_buffer);
                   let title_address = program.exports.js_title();
-                  let len           = 0;
-                  while (bytes[title_address + len] != 0)
-                    ++len;
-                  let title_buffer = new ArrayBuffer(len);
-                  new Uint8Array(title_buffer).set(bytes.subarray(title_address, title_address + len));
+                  let title_len       = 0;
+                  while (bytes[title_address + title_len] != 0)
+                    ++title_len;
+                  let title_buffer = new ArrayBuffer(title_len);
+                  new Uint8Array(title_buffer).set(bytes.subarray(title_address, title_address + title_len));
 
                   this.port.postMessage({
                     id           : "init",
@@ -385,7 +389,7 @@
             "Sound_Node",
             { numberOfInputs     : 0,
               outputChannelCount : [ sound_num_channels ],
-              processorOptions   : { href : document.location.href }, }
+              processorOptions   : { href : new TextEncoder("utf8").encode(document.location.href) }, }
           );
 
           sound_node.connect(sound_context.destination);
-- 
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