Merge branch 'wasm' of github.com:TrueDoctor/DiscoBot into wasm

author: Dennis Kobert <d-kobert@web.de> 2019-05-31 04:18:45 +0200
committer: Dennis Kobert <d-kobert@web.de> 2019-05-31 04:18:45 +0200
commit: 15ebdb46e906aceef5cea09e2db63650e66369d1 (patch)
tree: 7fd5a716b10b835ebcc961142130a3bdba6bf2f1 /WebInterface/wasm
parent: 3f539662518609390964c60acf2f38d9a08aee6d (diff)
parent: a6d2d62fae44b6d8c96e51055f7222bc679efc48 (diff)
14 files changed, 309 insertions, 131 deletions
diff --git a/WebInterface/wasm/asm-paint/Cargo.toml b/WebInterface/wasm/asm-paint/Cargo.toml
index 5713415..ceb1866 100644
--- a/WebInterface/wasm/asm-paint/Cargo.toml
+++ b/WebInterface/wasm/asm-paint/Cargo.toml
@@ -1,7 +1,10 @@
 [package]
 name = "asm-paint-rs"
 version = "0.1.0"
-authors = ["Dennis Kobert <d-kobert@web.de>"]
+authors = [
+    "natrixaeria",
+    "TrueDoctor"
+]
 edition = "2018"
 
 [lib]
@@ -9,4 +12,18 @@ crate-type = ["cdylib"]
 
 [dependencies]
 wasm-bindgen = "0.2"
-web-sys = {version="0.3.22", features=["Window", "Document", "HtmlElement", "Node", "Element"]}
+log = "0.4"
+fern = "0.5"
+
+[dependencies.web-sys]
+version = "0.3.22"
+features = [
+    'Document',
+    'Element',
+    'HtmlCanvasElement',
+    'WebGl2RenderingContext',
+    'WebGlShader',
+    'WebGlProgram',
+    'WebGlBuffer',
+    'Window'
+]
diff --git a/WebInterface/wasm/asm-paint/build.sh b/WebInterface/wasm/asm-paint/build.sh
deleted file mode 100755
index 61c1997..0000000
--- a/WebInterface/wasm/asm-paint/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-
-wasm-pack build --target web
diff --git a/WebInterface/wasm/asm-paint/deploy b/WebInterface/wasm/asm-paint/deploy
index 9f7f823..13d1d0a 100755
--- a/WebInterface/wasm/asm-paint/deploy
+++ b/WebInterface/wasm/asm-paint/deploy
@@ -1,4 +1,2 @@
 #!/bin/sh
-
-./build.sh
-./deploy.py
+lighttpd -f ./lighttpd.config
diff --git a/WebInterface/wasm/asm-paint/deploy.py b/WebInterface/wasm/asm-paint/deploy.py
deleted file mode 100755
index b64c322..0000000
--- a/WebInterface/wasm/asm-paint/deploy.py
+++ /dev/null
@@ -1,102 +0,0 @@
-#!/usr/bin/env python3
-
-from socket import (socket, AF_INET, SOCK_STREAM, IPPROTO_TCP,
-                    SOL_SOCKET, SO_REUSEADDR)
-from threading import Thread
-
-WASM_MIME = 'application/wasm'
-JS_MIME = 'application/javascript'
-PLAIN_MIME = 'text/plain'
-HTML_MIME = 'text/html'
-
-REQUESTS = {
-    '/': ('index.html', HTML_MIME),
-    '/loader.js': ('loader.js', JS_MIME),
-    '/asm_paint_rs.js': ('pkg/asm_paint_rs.js', JS_MIME),
-    '/asm_paint_rs_bg.wasm': ('pkg/asm_paint_rs_bg.wasm', WASM_MIME),
-}
-
-PAGE_404 = '''<!doctype html><html><head></head>
-<body>
-    <marquee><h1>Request '404 Not Found'</h1></marquee>
-    <span>resource <address>'<strong>{}</strong>'</address> not found</span>
-</body>
-</html>'''
-
-def header_line_to_entry(line):
-    key, value = line.decode('utf-8').split(': ')
-    return key, value
-
-
-class Server:
-    def __init__(self):
-        self.s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
-        self.s.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
-        self.threads = []
-
-    def rec_http(self, client):
-        headers = b''
-        while not headers.endswith(b'\r\n' * 2):
-            headers += client.recv(1)
-        headers = headers.split(b'\r\n')
-        head, headers = headers[0], headers[1:]
-        method, url, _ = head.split(b' ')
-        url = url.decode('utf-8')
-        headers = dict(header_line_to_entry(v) for v in headers if v)
-        if 'Content-Length' in headers:
-            client.recv(int(headers['Content-Length']))
-        return method, url, headers
-
-    def sen_http(self, client, status='200 OK', payload=b'', mime=PLAIN_MIME):
-        print('sende...')
-        client.send((f'HTTP/1.1 {status}\r\n'
-                    f'Content-Length: {len(payload)}\r\n'
-                    f'Content-Type: {mime}\r\n\r\n').encode('utf-8')
-                    + payload)
-        print('gesendet')
-
-    def run_client(self, client, addr):
-        while True:
-            print('wait for receive')
-            method, url, headers = self.rec_http(client)
-            print('got receive')
-            if method == b'GET':
-                if not url.startswith('/'):
-                    url += '/'
-                print(f'got request for "{url}"')
-                if url in REQUESTS:
-                    path, mime = REQUESTS[url]
-                    f = open(path, 'rb')
-                    payload = f.read()
-                    f.close()
-                    self.sen_http(client, '200 OK', payload, mime)
-                elif url == '/close':
-                    client.close()
-                    self.kill()
-                    exit()
-                else:
-                    self.sen_http(client, '404 Not Found',
-                            PAGE_404.format(url).encode('utf-8'),
-                            HTML_MIME)
-            else:
-                self.sen_http(client, '400 Bad Request', b'only supporting GET')
-
-    def deploy(self, host='localhost', port=8080):
-        self.s.bind((host, port))
-        self.s.listen(1)
-        while True:
-            client, addr = self.s.accept()
-            thread = Thread(target=self.run_client, args=(client,addr))
-            self.threads.append(thread)
-            thread.run()
-
-    def kill(self):
-        self.s.close()
-        
-
-if __name__ == '__main__':
-    try:
-        server = Server()
-        server.deploy()
-    finally:
-        server.kill()
diff --git a/WebInterface/wasm/asm-paint/index.html b/WebInterface/wasm/asm-paint/index.html
index 46be213..c4f3734 100644
--- a/WebInterface/wasm/asm-paint/index.html
+++ b/WebInterface/wasm/asm-paint/index.html
@@ -4,7 +4,21 @@
         <meta charset="UTF-8">
         <title> Scribblio </title>
         <script src='loader.js' type='module'></script>
+        <style>
+            body {
+                margin: 0;
+                background: black;
+            }
+            #canvas {
+                width: 100%;
+                height: 100%;
+            }
+            img {
+                background: violet;
+            }
+        </style>
     </head>
     <body>
+        <canvas id='canvas'></canvas>
     </body>
 </html>
diff --git a/WebInterface/wasm/asm-paint/lighttpd.config b/WebInterface/wasm/asm-paint/lighttpd.config
new file mode 100644
index 0000000..5fae32d
--- /dev/null
+++ b/WebInterface/wasm/asm-paint/lighttpd.config
@@ -0,0 +1,29 @@
+server.http-parseopts = (
+    "header-strict"            => "enable",
+    "host-strict"              => "enable",
+    "host-normalize"           => "enable",
+    "url-normalize"            => "enable",
+    "url-normalize-unreserved" => "enable",
+    "url-normalize-required"   => "enable",
+    "url-ctrls-reject"         => "enable",
+    "url-path-2f-decode"       => "enable",
+    "url-path-dotseg-remove"   => "enable",
+    "url-query-20-plus"        => "enable"
+)
+
+server.document-root = "/home/jan/projects/DiscoBot/WebInterface/wasm/asm-paint"
+server.port = 8080
+dir-listing.activate    = "enable"
+index-file.names    = ( "index.html" )
+mimetype.assign     = (
+    ".html" => "text/html",
+    ".txt" => "text/plain",
+    ".css" => "text/css",
+    ".js" => "application/x-javascript",
+    ".jpg" => "image/jpeg",
+    ".jpeg" => "image/jpeg",
+    ".gif" => "image/gif",
+    ".png" => "image/png",
+    ".wasm" => "application/wasm",
+    "" => "application/octet-stream"
+)
diff --git a/WebInterface/wasm/asm-paint/loader.js b/WebInterface/wasm/asm-paint/loader.js
index f1d15ef..4566ee1 100644
--- a/WebInterface/wasm/asm-paint/loader.js
+++ b/WebInterface/wasm/asm-paint/loader.js
@@ -1,2 +1,2 @@
-import {default as init} from './asm_paint_rs.js'
-init('asm_paint_rs_bg.wasm');
+import {default as init} from './pkg/asm_paint_rs.js'
+init('./pkg/asm_paint_rs_bg.wasm');
diff --git a/WebInterface/wasm/asm-paint/run b/WebInterface/wasm/asm-paint/run
new file mode 100755
index 0000000..1da1e35
--- /dev/null
+++ b/WebInterface/wasm/asm-paint/run
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+wasm-pack build --release --target web
diff --git a/WebInterface/wasm/asm-paint/src/app.rs b/WebInterface/wasm/asm-paint/src/app.rs
new file mode 100644
index 0000000..005764d
--- /dev/null
+++ b/WebInterface/wasm/asm-paint/src/app.rs
@@ -0,0 +1,19 @@
+use crate::site::Site;
+
+pub struct App {
+    site: Site,
+}
+
+impl App {
+    pub fn new() -> Option<Self> {
+        Some(Self {
+            site: Site::from_current()?,
+        })
+    }
+
+    pub fn run(&mut self) {
+        let mut canvas = self.site.create_canvas().unwrap();
+        canvas.init().unwrap();
+        info!("canvas initialisation was succuessfull");
+    }
+}
diff --git a/WebInterface/wasm/asm-paint/src/canvas.rs b/WebInterface/wasm/asm-paint/src/canvas.rs
new file mode 100644
index 0000000..400e258
--- /dev/null
+++ b/WebInterface/wasm/asm-paint/src/canvas.rs
@@ -0,0 +1,39 @@
+use web_sys;
+use web_sys::{WebGl2RenderingContext};
+use wasm_bindgen::JsCast;
+use crate::shader::Shaders;
+
+pub struct Canvas {
+    element: web_sys::HtmlCanvasElement,
+    ctx: WebGl2RenderingContext,
+    shaders: Shaders,
+}
+
+impl Canvas {
+    pub fn new(element: web_sys::Element) -> Option<Self> {
+        let element: web_sys::HtmlCanvasElement =
+            element.dyn_into::<web_sys::HtmlCanvasElement>()
+            .ok()?;
+        debug!("create webgl2 context");
+        let ctx = element.get_context("webgl2").ok()??
+            .dyn_into::<WebGl2RenderingContext>().ok()?;
+        info!("created webgl2 context successfully");
+        Some(Self {
+            element, ctx,
+            shaders: Shaders::new(),
+        })
+    }
+
+    pub fn init(&mut self) -> Result<(), ()> {
+        self.shaders.init(&self.ctx).map_err(|_|())?;
+        self.ctx.clear_color(1.0, 0.2, 1.0, 1.0);
+        self.ctx.clear(WebGl2RenderingContext::COLOR_BUFFER_BIT);
+        Ok(())
+    }
+}
+
+impl Drop for Canvas {
+    fn drop(&mut self) {
+        self.shaders.remove(&self.ctx);
+    }
+}
diff --git a/WebInterface/wasm/asm-paint/src/client_logger.rs b/WebInterface/wasm/asm-paint/src/client_logger.rs
new file mode 100644
index 0000000..f71918f
--- /dev/null
+++ b/WebInterface/wasm/asm-paint/src/client_logger.rs
@@ -0,0 +1,46 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(js_namespace=console, js_name=debug)]
+    fn __console_debug_colored2(f: &str, c1: &str, c2: &str);
+    #[wasm_bindgen(js_namespace=console, js_name=info)]
+    fn __console_info_colored2(f: &str, c1: &str, c2: &str);
+    #[wasm_bindgen(js_namespace=console, js_name=warn)]
+    fn __console_warn_colored2(f: &str, c1: &str, c2: &str);
+    #[wasm_bindgen(js_namespace=console, js_name=error)]
+    fn __console_error_colored2(f: &str, c1: &str, c2: &str);
+}
+
+fn log(rec: &log::Record) {
+    let log_fn = match rec.level() {
+        log::Level::Trace | log::Level::Debug => __console_debug_colored2,
+        log::Level::Info => __console_info_colored2,
+        log::Level::Warn => __console_warn_colored2,
+        log::Level::Error => __console_error_colored2,
+    };
+    log_fn(&format!("{}", rec.args()),
+                           &format!("color: {}", match rec.level() {
+        log::Level::Trace => "violet",
+        log::Level::Debug => "blue",
+        log::Level::Info => "green",
+        log::Level::Warn => "orange",
+        log::Level::Error => "red"
+    }), "");
+}
+
+pub fn init_logger() {
+    fern::Dispatch::new().format(|out, message, record|{
+        out.finish(format_args!(
+                "%c{}%c {} > {}",
+                record.level(),
+                record.target(),
+                message
+                )
+            )
+        })
+        .level(log::LevelFilter::Debug)
+        .chain(fern::Output::call(log))
+        .apply().unwrap();
+}
+
diff --git a/WebInterface/wasm/asm-paint/src/lib.rs b/WebInterface/wasm/asm-paint/src/lib.rs
index 462a89d..6c773c5 100644
--- a/WebInterface/wasm/asm-paint/src/lib.rs
+++ b/WebInterface/wasm/asm-paint/src/lib.rs
@@ -1,27 +1,20 @@
-use wasm_bindgen::prelude::*;
+mod client_logger;
+mod shader;
+mod canvas;
+mod site;
+mod app;
 
-macro_rules! console_log {
-    ($($t:tt)*) => (log(&format_args!($($t)*).to_string()))
-}
+use wasm_bindgen::prelude::*;
 
-#[wasm_bindgen]
-extern "C" {
-    #[wasm_bindgen(js_namespace = console)]
-    fn log(s: &str);
-}
+#[macro_use]
+extern crate log;
 
 #[wasm_bindgen(start)]
 pub fn entry() {
-    use web_sys;
-    console_log!("hello {} wasm", 42);
-
-    let window = web_sys::window().unwrap();
-
-    let document = window.document().unwrap();
-
-    let body = document.body().unwrap();
+    client_logger::init_logger();
 
-    //body.set_inner_html("<marquee><h1 style='font-size: 100px'>Hello from WASM</h1></marquee>");
+    info!("begin running wasm application");
 
-    body.set_inner_html("oho");
+    let mut app = app::App::new().unwrap();
+    app.run();
 }
diff --git a/WebInterface/wasm/asm-paint/src/shader.rs b/WebInterface/wasm/asm-paint/src/shader.rs
new file mode 100644
index 0000000..3352bcf
--- /dev/null
+++ b/WebInterface/wasm/asm-paint/src/shader.rs
@@ -0,0 +1,97 @@
+use web_sys::{WebGlProgram, WebGl2RenderingContext};
+
+const VERTEX_SHADER: &str =
+r#"#version 300 es
+in vec4 pos;
+void main() {
+    gl_Position = pos;
+}
+"#;
+
+const FRAGMENT_SHADER: &str =
+r#"#version 300 es
+precision mediump float;
+out vec4 color;
+
+void main() {
+    color = vec4(1, 0, 0, 1);
+}
+"#;
+
+pub struct Shaders {
+    program: Option<WebGlProgram>,
+    pos_loc: i32,
+}
+
+impl Shaders {
+    pub fn new() -> Self {
+        Self {
+            program: None,
+            pos_loc: -1
+        }
+    }
+
+    fn create_program(&mut self, ctx: &WebGl2RenderingContext) -> Result<(), String> {
+        self.program = Some(ctx.create_program().ok_or("could not create program id")?);
+        Ok(())
+    }
+
+    fn create_shader(&mut self, ctx: &WebGl2RenderingContext,
+                     shader_type: u32, source: &str) -> Result<(), String> {
+        let program = self.program.as_ref().ok_or("could not find created program")?;
+        let shader = ctx.create_shader(shader_type)
+            .ok_or("could not create shader")?;
+        ctx.shader_source(&shader, source);
+        ctx.compile_shader(&shader);
+        let status = ctx.get_shader_parameter(&shader, WebGl2RenderingContext::COMPILE_STATUS);
+        if status == wasm_bindgen::JsValue::TRUE {
+            ctx.attach_shader(program, &shader);
+            Ok(())
+        } else {
+            Err(format!("\n{}", ctx.get_shader_info_log(&shader).unwrap_or_default()))
+        }
+    }
+
+    fn create_vertex_shader(&mut self, ctx: &WebGl2RenderingContext) -> Result<(), String> {
+        self.create_shader(ctx, WebGl2RenderingContext::VERTEX_SHADER, VERTEX_SHADER)
+    }
+
+    fn create_fragment_shader(&mut self, ctx: &WebGl2RenderingContext) -> Result<(), String> {
+        self.create_shader(ctx, WebGl2RenderingContext::FRAGMENT_SHADER, FRAGMENT_SHADER)
+    }
+
+    fn compile(&mut self, ctx: &WebGl2RenderingContext) -> Result<(), String> {
+        let program = self.program.as_ref().ok_or("could not find created program")?;
+        ctx.link_program(program);
+        let status = ctx.get_program_parameter(program, WebGl2RenderingContext::LINK_STATUS);
+        if status == wasm_bindgen::JsValue::TRUE {
+            Ok(())
+        } else {
+            Err(format!("\n{}", ctx.get_program_info_log(program).unwrap_or_default()))
+        }
+    }
+
+    pub fn init(&mut self, ctx: &WebGl2RenderingContext) -> Result<(), String> {
+        debug!("create program");
+        self.create_program(ctx)
+            .map_err(|e| { error!("webgl2 create program: {}", e); e})?;
+        debug!("create vertex shader");
+        self.create_vertex_shader(ctx)
+            .map_err(|e| { error!("webgl2 create vertex shader: {}", e); e})?;
+        debug!("create fragment shader");
+        self.create_fragment_shader(ctx)
+            .map_err(|e| { error!("webgl2 create fragment shader: {}", e); e})?;
+        debug!("compile shader program");
+        self.compile(ctx)
+            .map_err(|e| { error!("webgl2 shader: {}", e); e})?;
+        let program = self.program.as_ref().ok_or("could not find created program")?;
+        self.pos_loc = ctx.get_attrib_location(program, "pos");
+        trace!("got attrib location 'pos'({})", self.pos_loc);
+        info!("initialised shader program");
+        Ok(())
+    }
+
+    pub fn remove(&mut self, ctx: &WebGl2RenderingContext) {
+        ctx.delete_program(self.program.as_ref())
+    }
+}
diff --git a/WebInterface/wasm/asm-paint/src/site.rs b/WebInterface/wasm/asm-paint/src/site.rs
new file mode 100644
index 0000000..4ae0237
--- /dev/null
+++ b/WebInterface/wasm/asm-paint/src/site.rs
@@ -0,0 +1,28 @@
+use web_sys;
+use crate::canvas::Canvas;
+
+pub struct Site {
+    window: web_sys::Window,
+    document: web_sys::Document,
+}
+
+impl Site {
+    pub fn from_current() -> Option<Self> {
+        let window = web_sys::window()
+            .or_else(|| {error!("unable to query window"); None})?;
+        let document = window.document()
+            .or_else(|| {error!("unable to query document"); None})?;
+        Some(Self { 
+            window, document
+        })
+    }
+
+    pub fn create_canvas(&self) -> Option<Canvas> {
+        debug!("gain canvas element");
+        let element = self.document.get_element_by_id("canvas")
+            .or_else(|| {error!("could not gain canvas element"); None})?;
+        Canvas::new(element)
+            .or_else(|| {error!("could not create a webgl2 canvas.
+ Your browser doesn't seem to support webgl2"); None})
+    }
+}
author	Dennis Kobert <d-kobert@web.de>	2019-05-31 04:18:45 +0200
committer	Dennis Kobert <d-kobert@web.de>	2019-05-31 04:18:45 +0200
commit	15ebdb46e906aceef5cea09e2db63650e66369d1 (patch)
tree	7fd5a716b10b835ebcc961142130a3bdba6bf2f1 /WebInterface/wasm
parent	3f539662518609390964c60acf2f38d9a08aee6d (diff)
parent	a6d2d62fae44b6d8c96e51055f7222bc679efc48 (diff)