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-rw-r--r--index.htm267
1 files changed, 160 insertions, 107 deletions
diff --git a/index.htm b/index.htm
index 0e5b1fb..d426609 100644
--- a/index.htm
+++ b/index.htm
@@ -74,7 +74,7 @@
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());
+ this.frames = new Float32Array(this.memory_buffer, this.sound_buffer_address, program.exports.js_max_num_sound_frames());
let bytes = new Uint8Array(this.memory_buffer);
let title_address = program.exports.js_title();
@@ -181,106 +181,7 @@
);
</script>
<script type="text/javascript">
- const KEY_PASTE = 118;
-
- let key_map = {
- "Backspace" : 8,
- "Tab" : 9,
- "Enter" : 10,
- "ControlLeft" : 11,
- "ControlRight" : 12,
- "ShiftLeft" : 13,
- "ShiftRight" : 14,
- "AltLeft" : 15,
- "AltRight" : 16,
- "ArrowLeft" : 17,
- "ArrowRight" : 18,
- "ArrowUp" : 19,
- "ArrowDown" : 20,
- "Pause" : 21,
- "Insert" : 22,
- "Home" : 23,
- "End" : 24,
- "PageUp" : 25,
- "PageDown" : 26,
- "Escape" : 27,
- "PrintScreen" : 28,
- "Space" : 32,
- "MetaLeft" : 33,
- "MetaRight" : 34,
- "Quote" : 39,
- "Comma" : 44,
- "Minus" : 45,
- "Period" : 46,
- "Slash" : 47,
- "Digit0" : 48,
- "Digit1" : 49,
- "Digit2" : 50,
- "Digit3" : 51,
- "Digit4" : 52,
- "Digit5" : 53,
- "Digit6" : 54,
- "Digit7" : 55,
- "Digit8" : 56,
- "Digit9" : 57,
- "Semicolon" : 59,
- "Equal" : 61,
- "BracketLeft" : 91,
- "Backslash" : 92,
- "BracketRight" : 93,
- "Backquote" : 96,
- "KeyA" : 97,
- "KeyB" : 98,
- "KeyC" : 99,
- "KeyD" : 100,
- "KeyE" : 101,
- "KeyF" : 102,
- "KeyG" : 103,
- "KeyH" : 104,
- "KeyI" : 105,
- "KeyJ" : 106,
- "KeyK" : 107,
- "KeyL" : 108,
- "KeyM" : 109,
- "KeyN" : 110,
- "KeyO" : 111,
- "KeyP" : 112,
- "KeyQ" : 113,
- "KeyR" : 114,
- "KeyS" : 115,
- "KeyT" : 116,
- "KeyU" : 117,
- "KeyV" : KEY_PASTE,
- "KeyW" : 119,
- "KeyX" : 120,
- "KeyY" : 121,
- "KeyZ" : 122,
- "Delete" : 127,
- "F1" : 145,
- "F2" : 146,
- "F3" : 147,
- "F4" : 148,
- "F5" : 149,
- "F6" : 150,
- "F7" : 151,
- "F8" : 152,
- "F9" : 153,
- "F10" : 154,
- "F11" : 155,
- "F12" : 156,
- "F13" : 157,
- "F14" : 158,
- "F15" : 159,
- "F16" : 160,
- "F17" : 161,
- "F18" : 162,
- "F19" : 163,
- "F20" : 164,
- "F21" : 165,
- "F22" : 166,
- "F23" : 167,
- "F24" : 168,
- };
+ let key_map = {};
function key_from_code(code) {
if (code in key_map)
@@ -303,9 +204,159 @@
return ev.key.charCodeAt(0);
}
+ async function obtain_defaults(wasm) {
+ let program = await WebAssembly.instantiate(
+ wasm,
+ {
+ wasi_snapshot_preview1 : {
+ clock_time_get : () => {},
+ args_sizes_get : () => {},
+ args_get : () => {},
+ proc_exit : () => {},
+ fd_close : () => {},
+ fd_write : () => {},
+ fd_seek : () => {},
+ },
+ env : {
+ p_clipboard_write_impl : () => {},
+ p_time_impl : () => {},
+
+ floor : () => {},
+ ceil : () => {},
+ sqrt : () => {},
+ cbrt : () => {},
+ pow : () => {},
+ log : () => {},
+ log2 : () => {},
+ log10 : () => {},
+ exp : () => {},
+ sin : () => {},
+ cos : () => {},
+ tan : () => {},
+ asin : () => {},
+ acos : () => {},
+ atan : () => {},
+ atan2 : () => {},
+ },
+ }
+ );
+
+ let num = program.exports.js_max_num_keys();
+ let address = program.exports.js_key_map();
+ let keys = new Uint16Array(program.exports.memory.buffer, address, num);
+
+ let n = 0;
+
+ key_map["Backspace"] = keys[n++];
+ key_map["Tab"] = keys[n++];
+ key_map["Enter"] = keys[n++];
+ key_map["ControlLeft"] = keys[n++];
+ key_map["ControlRight"] = keys[n++];
+ key_map["ShiftLeft"] = keys[n++];
+ key_map["ShiftRight"] = keys[n++];
+ key_map["AltLeft"] = keys[n++];
+ key_map["AltRight"] = keys[n++];
+ key_map["ArrowLeft"] = keys[n++];
+ key_map["ArrowRight"] = keys[n++];
+ key_map["ArrowUp"] = keys[n++];
+ key_map["ArrowDown"] = keys[n++];
+ key_map["Pause"] = keys[n++];
+ key_map["Insert"] = keys[n++];
+ key_map["Home"] = keys[n++];
+ key_map["End"] = keys[n++];
+ key_map["PageUp"] = keys[n++];
+ key_map["PageDown"] = keys[n++];
+ key_map["Escape"] = keys[n++];
+ key_map["PrintScreen"] = keys[n++];
+ key_map["Space"] = keys[n++];
+ key_map["MetaLeft"] = keys[n++];
+ key_map["MetaRight"] = keys[n++];
+ key_map["Quote"] = keys[n++];
+ key_map["Comma"] = keys[n++];
+ key_map["Minus"] = keys[n++];
+ key_map["Period"] = keys[n++];
+ key_map["Slash"] = keys[n++];
+ key_map["Digit0"] = keys[n++];
+ key_map["Digit1"] = keys[n++];
+ key_map["Digit2"] = keys[n++];
+ key_map["Digit3"] = keys[n++];
+ key_map["Digit4"] = keys[n++];
+ key_map["Digit5"] = keys[n++];
+ key_map["Digit6"] = keys[n++];
+ key_map["Digit7"] = keys[n++];
+ key_map["Digit8"] = keys[n++];
+ key_map["Digit9"] = keys[n++];
+ key_map["Semicolon"] = keys[n++];
+ key_map["Equal"] = keys[n++];
+ key_map["BracketLeft"] = keys[n++];
+ key_map["Backslash"] = keys[n++];
+ key_map["BracketRight"] = keys[n++];
+ key_map["Backquote"] = keys[n++];
+ key_map["KeyA"] = keys[n++];
+ key_map["KeyB"] = keys[n++];
+ key_map["KeyC"] = keys[n++];
+ key_map["KeyD"] = keys[n++];
+ key_map["KeyE"] = keys[n++];
+ key_map["KeyF"] = keys[n++];
+ key_map["KeyG"] = keys[n++];
+ key_map["KeyH"] = keys[n++];
+ key_map["KeyI"] = keys[n++];
+ key_map["KeyJ"] = keys[n++];
+ key_map["KeyK"] = keys[n++];
+ key_map["KeyL"] = keys[n++];
+ key_map["KeyM"] = keys[n++];
+ key_map["KeyN"] = keys[n++];
+ key_map["KeyO"] = keys[n++];
+ key_map["KeyP"] = keys[n++];
+ key_map["KeyQ"] = keys[n++];
+ key_map["KeyR"] = keys[n++];
+ key_map["KeyS"] = keys[n++];
+ key_map["KeyT"] = keys[n++];
+ key_map["KeyU"] = keys[n++];
+ key_map["KeyV"] = keys[n++];
+ key_map["KeyW"] = keys[n++];
+ key_map["KeyX"] = keys[n++];
+ key_map["KeyY"] = keys[n++];
+ key_map["KeyZ"] = keys[n++];
+ key_map["Delete"] = keys[n++];
+ key_map["F1"] = keys[n++];
+ key_map["F2"] = keys[n++];
+ key_map["F3"] = keys[n++];
+ key_map["F4"] = keys[n++];
+ key_map["F5"] = keys[n++];
+ key_map["F6"] = keys[n++];
+ key_map["F7"] = keys[n++];
+ key_map["F8"] = keys[n++];
+ key_map["F9"] = keys[n++];
+ key_map["F10"] = keys[n++];
+ key_map["F11"] = keys[n++];
+ key_map["F12"] = keys[n++];
+ key_map["F13"] = keys[n++];
+ key_map["F14"] = keys[n++];
+ key_map["F15"] = keys[n++];
+ key_map["F16"] = keys[n++];
+ key_map["F17"] = keys[n++];
+ key_map["F18"] = keys[n++];
+ key_map["F19"] = keys[n++];
+ key_map["F20"] = keys[n++];
+ key_map["F21"] = keys[n++];
+ key_map["F22"] = keys[n++];
+ key_map["F23"] = keys[n++];
+ key_map["F24"] = keys[n++];
+
+ let defaults = {
+ sound_sample_rate : program.exports.js_sound_sample_rate(),
+ num_sound_channels : program.exports.js_num_sound_channels(),
+ key_paste : key_map["KeyV"],
+ };
+
+ return defaults;
+ }
+
async function run(attrs) {
- let sound_sample_rate = 44100; // TODO
- let sound_num_channels = 2; // TODO
+ let wasm = await WebAssembly.compileStreaming(attrs.wasm);
+
+ let { sound_sample_rate, num_sound_channels, key_paste } = await obtain_defaults(wasm);
let frame_width = 0;
let frame_height = 0;
@@ -388,7 +439,7 @@
sound_context,
"Sound_Node",
{ numberOfInputs : 0,
- outputChannelCount : [ sound_num_channels ],
+ outputChannelCount : [ num_sound_channels ],
processorOptions : { href : new TextEncoder("utf8").encode(document.location.href) }, }
);
@@ -418,8 +469,10 @@
sound_node.port.postMessage({
id : "wasm",
- wasm : await WebAssembly.compileStreaming(attrs.wasm),
+ wasm : wasm,
});
+
+ wasm = undefined;
};
canvas.addEventListener("mousedown", (ev) => {
@@ -467,7 +520,7 @@
let mod = mod_from_event(ev);
let ch = char_from_event(ev);
- if (ev.ctrlKey && key == KEY_PASTE) {
+ if (ev.ctrlKey && key == key_paste) {
paste_mod = mod;
paste_ch = ch;
} else
@@ -506,7 +559,7 @@
id : "paste",
bytes : new TextEncoder("utf8").encode(ev.clipboardData.getData("text")),
mod : paste_mod,
- key : KEY_PASTE,
+ key : key_paste,
ch : paste_ch,
});
});
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-05 15:05:30 +0000