got keyboard input working by using a static buffer (hack)
todo: remove code bloat
This commit is contained in:
parent
b56934f0a5
commit
92f801df31
GPG key ID:
B6241CA3B552BCA4
5 changed files with 273 additions and 18 deletions
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@ -5,7 +5,7 @@
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</script>
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<link rel="stylesheet" href="style.css">
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</head>
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<body>
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<body id="body">
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<canvas id="window"></canvas>
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</body>
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</html>
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@ -1,6 +1,7 @@
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var ctx;
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var image;
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var memory;
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var exports;
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const width = 160;
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const height = 144;
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@ -15,6 +16,18 @@ function blit_text(text, len, x, y, size) {
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ctx.fillText(decoded,x,y);
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}
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function keyboard_callback(e) {
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const keycode_address = exports.KEYCODE.value;
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const value = new Uint8ClampedArray(exports.memory.buffer, keycode_address, 2);
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value[0] = e.keyCode;
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console.log("thing" + value[0]);
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console.log(keycode_address);
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console.log(value[0]);
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exports.keyboard_input();
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}
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async function init() {
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const canvas = document.getElementById("window");
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canvas.width = width;
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@ -33,6 +46,9 @@ async function init() {
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}
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);
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exports = instance.exports;
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document.getElementById("body").onkeydown=keyboard_callback;
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memory = instance.exports.memory
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const buffer_address = instance.exports.BUFFER.value;
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image = new ImageData(
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@ -48,16 +64,11 @@ async function init() {
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ctx.textBaseline = 'top'
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ctx.textAlign = 'left';
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var frame = 1;
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const render = () => {
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frame += 1;
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console.log(frame);
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instance.exports.frame_entry();
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requestAnimationFrame(render);
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}
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canvas.onclick = render;
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render();
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}
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180
pirates/Cargo.lock
generated
180
pirates/Cargo.lock
generated
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@ -2,6 +2,12 @@
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# It is not intended for manual editing.
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version = 3
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[[package]]
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||||
name = "anyhow"
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version = "1.0.75"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
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[[package]]
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name = "approx"
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version = "0.5.1"
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@ -11,18 +17,81 @@ dependencies = [
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"num-traits",
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]
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[[package]]
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name = "arraydeque"
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version = "0.4.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f0ffd3d69bd89910509a5d31d1f1353f38ccffdd116dd0099bbd6627f7bd8ad8"
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||||
[[package]]
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name = "arrayvec"
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version = "0.4.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cd9fd44efafa8690358b7408d253adf110036b88f55672a933f01d616ad9b1b9"
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dependencies = [
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"nodrop",
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]
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[[package]]
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name = "autocfg"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
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[[package]]
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name = "bitflags"
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version = "1.3.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
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[[package]]
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name = "cfg-if"
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version = "0.1.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
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[[package]]
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name = "heck"
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version = "0.3.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
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dependencies = [
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"unicode-segmentation",
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]
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[[package]]
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name = "keycode"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b07873c3182aec8a0eb1a5a4e7b197d42e9d167ba78497a6ee932a82d94673ed"
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dependencies = [
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"arraydeque",
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"arrayvec",
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"bitflags",
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"keycode_macro",
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]
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[[package]]
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name = "keycode_macro"
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version = "0.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e521ea802f5b3c7194e169d75cab431b0ff08d022f2b6047b08754b4988b89df"
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dependencies = [
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"anyhow",
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"heck",
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"proc-macro2",
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"quote",
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]
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[[package]]
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name = "lazy_static"
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version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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dependencies = [
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"spin 0.5.2",
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]
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[[package]]
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name = "libc"
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version = "0.2.147"
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@ -35,6 +104,16 @@ version = "0.2.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f7012b1bbb0719e1097c47611d3898568c546d597c2e74d66f6087edd5233ff4"
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[[package]]
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name = "lock_api"
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version = "0.4.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c1cc9717a20b1bb222f333e6a92fd32f7d8a18ddc5a3191a11af45dcbf4dcd16"
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dependencies = [
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"autocfg",
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"scopeguard",
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]
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[[package]]
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name = "memory_units"
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version = "0.4.0"
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@ -55,6 +134,12 @@ dependencies = [
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"typenum",
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]
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[[package]]
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name = "nodrop"
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version = "0.1.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
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[[package]]
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name = "num-complex"
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version = "0.4.4"
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@ -101,15 +186,63 @@ version = "1.0.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c"
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[[package]]
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||||
name = "pin-project"
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version = "1.1.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "fda4ed1c6c173e3fc7a83629421152e01d7b1f9b7f65fb301e490e8cfc656422"
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dependencies = [
|
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"pin-project-internal",
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]
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||||
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[[package]]
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name = "pin-project-internal"
|
||||
version = "1.1.3"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "pirates"
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version = "0.1.0"
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dependencies = [
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"keycode",
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"lazy_static",
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"libm",
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"nalgebra",
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"spin 0.9.8",
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"thingbuf",
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"wee_alloc",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.66"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "18fb31db3f9bddb2ea821cde30a9f70117e3f119938b5ee630b7403aa6e2ead9"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.33"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "scopeguard"
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version = "1.2.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
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[[package]]
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name = "simba"
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version = "0.8.1"
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@ -122,12 +255,59 @@ dependencies = [
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"paste",
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]
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[[package]]
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name = "spin"
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||||
version = "0.5.2"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
|
||||
|
||||
[[package]]
|
||||
name = "spin"
|
||||
version = "0.9.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
|
||||
dependencies = [
|
||||
"lock_api",
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||||
]
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||||
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||||
[[package]]
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||||
name = "syn"
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||||
version = "2.0.32"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "239814284fd6f1a4ffe4ca893952cdd93c224b6a1571c9a9eadd670295c0c9e2"
|
||||
dependencies = [
|
||||
"proc-macro2",
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||||
"quote",
|
||||
"unicode-ident",
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||||
]
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||||
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[[package]]
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name = "thingbuf"
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version = "0.1.4"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "4706f1bfb859af03f099ada2de3cea3e515843c2d3e93b7893f16d94a37f9415"
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||||
dependencies = [
|
||||
"pin-project",
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||||
]
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||||
|
||||
[[package]]
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||||
name = "typenum"
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||||
version = "1.16.0"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
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||||
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||||
[[package]]
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name = "unicode-ident"
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version = "1.0.11"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "301abaae475aa91687eb82514b328ab47a211a533026cb25fc3e519b86adfc3c"
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||||
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||||
[[package]]
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name = "unicode-segmentation"
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version = "1.10.1"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
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[[package]]
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name = "wee_alloc"
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version = "0.4.5"
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@ -11,10 +11,21 @@ opt-level = 's'
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crate-type = ["cdylib"]
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[dependencies]
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keycode = "0.4.0"
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libm = "0.2.7"
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spin = "0.9.8"
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wee_alloc = "0.4.5"
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[dependencies.nalgebra]
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version = "0.32.3"
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default-features = false
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features = ["libm"]
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[dependencies.thingbuf]
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version = "0.1.4"
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default-features = false
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features = ["static"]
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[dependencies.lazy_static]
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version = "1.4.0"
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features = ["spin_no_std"]
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@ -9,10 +9,15 @@ extern crate wee_alloc;
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#[global_allocator]
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static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
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use lazy_static::lazy_static;
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use noise::PerlinBuf;
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use core::sync::atomic::{AtomicU32, Ordering};
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use libm::{self, Libm};
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extern crate nalgebra as na;
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use nalgebra::{Vector2};
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use thingbuf::mpsc::{self, errors::TryRecvError};
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use spin::Mutex;
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use keycode::KeyMap;
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mod sampler;
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mod noise;
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@ -37,6 +42,12 @@ const HEIGHT: usize = 144;
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#[no_mangle]
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static mut BUFFER: [u32; WIDTH * HEIGHT] = [0; WIDTH * HEIGHT];
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// hack, js -> rust ffi in weird shape without wasm_bindgen
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#[no_mangle]
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static mut KEYCODE: [u8; 2] = [0; 2];
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static LAST_KEY: Mutex<Option<[u32; 2]>> = Mutex::new(None);
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static FRAME: AtomicU32 = AtomicU32::new(0);
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static mut RAND: noise::PerlinBuf = [0; 512];
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@ -56,6 +67,14 @@ static MAP: [u8; MAP_WIDTH * MAP_HEIGHT] = [ // should deflate to smaller than b
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1,1,1,1,1,1,1,1,1,1,1,1,
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];
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static CAMERA: Mutex<[f32; 3]> = Mutex::new([0.0, 0.0, 4.0]);
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#[no_mangle]
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pub unsafe extern fn keyboard_input() {
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let keycode = KEYCODE[0];
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LAST_KEY.lock().insert([keycode as u32, 0]);
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}
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||||
|
||||
#[no_mangle]
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||||
pub unsafe extern fn frame_entry() {
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// calling from multiple threads is ub
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@ -74,20 +93,32 @@ fn render_frame(buffer: &mut [u32; WIDTH*HEIGHT]) {
|
|||
RAND
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};
|
||||
|
||||
let mut camera = CAMERA.lock();
|
||||
|
||||
//camera[0] += 1.0;
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||||
|
||||
if let Some(key) = LAST_KEY.lock().take() {
|
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match key[0] {
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38 => camera[1] -= 10.0, // up
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40 => camera[1] += 10.0, // down
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||||
37 => camera[0] -= 10.0, // left
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||||
39 => camera[0] += 10.0, // right
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61 => camera[2] *= 0.9, // +
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||||
173 => camera[2] *= 1.1, // -
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||||
_ => {}
|
||||
}
|
||||
}
|
||||
|
||||
let camera_vec = Vector2::new(camera[0],camera[1]);
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|
||||
const half: Vector2<f32> = Vector2::new(WIDTH as f32 / 2.0, HEIGHT as f32 / 2.0);
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||||
for y in 0..HEIGHT {
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for x in 0..WIDTH {
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let point = Vector2::new(x as f32, y as f32)* 4.0;
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||||
let offset = Vector2::new(64120.0, 7320.0);
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let point = point + offset;
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let mut n = 0.0;
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n += (sampler::sample_map_inter(point / 64.0, &MAP)-0.5)* 0.6;
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n += noise::noise(point / 64.0, rand) / 1.0;
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n += noise::noise(point / 32.0, rand) / 2.0;
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n += noise::noise(point / 16.0, rand) / 4.0;
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||||
n += noise::noise(point / 8.0, rand) / 8.0;
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n += noise::noise(point / 4.0, rand) / 16.0;
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||||
n += noise::noise(point / 2.0, rand) / 32.0;
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||||
//buffer[y*WIDTH + x] = (((n*0.5+0.5)*256.0) as u32) << 16| 0xFF005000;
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let mut point = Vector2::new(x as f32, y as f32);
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||||
point -= half;
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||||
point *= camera[2];
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||||
point += half;
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||||
let n = sample_world(point+camera_vec, rand);
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buffer[y*WIDTH + x] =
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||||
if n > 0.1 {
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||||
0xFF00FF00
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||||
|
|
@ -105,6 +136,28 @@ fn render_frame(buffer: &mut [u32; WIDTH*HEIGHT]) {
|
|||
//draw_text("hi from rust", 0,100,30);
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||||
}
|
||||
|
||||
fn sample_world(point: Vector2<f32>, rand: PerlinBuf) -> f32 {
|
||||
let offset = Vector2::new(64480.0, 7870.0);
|
||||
//240.0,240.0
|
||||
let point = point + offset;
|
||||
let mut n = 0.0;
|
||||
n += (sampler::sample_map_inter(point / 64.0, &MAP)-0.5)* 0.6;
|
||||
n += noise::noise(point / 64.0, rand) / 1.0;
|
||||
n += noise::noise(point / 32.0, rand) / 2.0;
|
||||
n += noise::noise(point / 16.0, rand) / 4.0;
|
||||
n += noise::noise(point / 8.0, rand) / 8.0;
|
||||
n += noise::noise(point / 4.0, rand) / 16.0;
|
||||
n += noise::noise(point / 2.0, rand) / 32.0;
|
||||
n
|
||||
}
|
||||
|
||||
#[repr(u32)]
|
||||
enum Keys {
|
||||
Up = 38,
|
||||
Down = 40,
|
||||
Left = 37,
|
||||
Right = 39
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
|
|
|
|||
Loading…
Reference in a new issue