Merge pull request #5 from sigonasr2/add-emscripten-shell

Add emscripten shell
3 months ago · 2701f5141b
parent 6aad971aec 02dca56ee1
commit 2701f5141b
2 changed files with 163 additions and 0 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -259,6 +259,21 @@ if (EMSCRIPTEN)
            -sLLD_REPORT_UNDEFINED)
    endif()
    set_target_properties(${OutputExecutable} PROPERTIES LINK_FLAGS "--shell-file ${CMAKE_CURRENT_SOURCE_DIR}/emscripten_shell.html")
    add_custom_command(
        TARGET ${OutputExecutable}
        POST_BUILD
        COMMAND ${CMAKE_COMMAND}
        ARGS -E remove -f ${CMAKE_BINARY_DIR}/bin/index.html
    )
    add_custom_command(
        TARGET ${OutputExecutable}
        POST_BUILD
        COMMAND ${CMAKE_COMMAND}
        ARGS -E rename ${CMAKE_BINARY_DIR}/bin/${OutputExecutable}.html ${CMAKE_BINARY_DIR}/bin/index.html
    )
 endif() # Emscripten
 ######################################################################
--- a/emscripten_shell.html
+++ b/emscripten_shell.html
@ -0,0 +1,148 @@
 <!doctype html>
 <html lang="en-us">
 <head>
    <meta charset="utf-8">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>Hamster</title>
    <style>
        html,
        body {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: arial;
            background: #222;
            color: #ded;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-items: center;
            justify-content: center;
        }
        .light {
            background: #fff;
            color: #000;
        }
        #container {
            position: fixed;
            display: flex;
            justify-content: center;
            align-items: center;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
        }
        #output {
            position: fixed;
            display: none;
            font-family: 'Courier New', Courier, monospace;
            width: 100%;
            height: 15vh;
            top:85vh;
            bottom: 0;
            margin-left: 1rem;
            padding-left: 1rem;
            background: #000;
            color: #fff;
            outline: none;
            border: none;
        }
        #container.show-console {
            bottom: 15vh;
        }
        #output.show-console {
            display: block;
        }
        #canvas {
            display: block;
            border: 0px none;
            background-color: black;
            margin: 0 auto;
        }
        #canvas:focus {
            outline: none;
        }
        #toggle-console {
            display: none;
            position: fixed;
            top: 1rem;
            left: 1rem;
        }
    </style>
 </head>
 <body>
    <div id="container">
        <canvas id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1></canvas>
    </div>
    <button id="toggle-console">Toggle Console</button>
    <script type='text/javascript'>
        var Module = {
            print: (function () {
                return (...args) => {
                    var text = args.join(' ');
                    window.parent.postMessage({
                        message: "console-output",
                        data: text + "\n",
                    }, "*");
                };
            })(),
            canvas: (() => {
                var canvas = document.getElementById('canvas');
                // As a default initial behavior, pop up an alert when webgl context is lost. To make your
                // application robust, you may want to override this behavior before shipping!
                // See http://www.khronos.org/registry/webgl/specs/latest/1.0/#5.15.2
                canvas.addEventListener("webglcontextlost", (e) => { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);
                return canvas;
            })(),
            setStatus: (text) => {
            },
            totalDependencies: 0,
            monitorRunDependencies: (left) => {
            }
        };
        window.onerror = (event) =>
        {
            window.parent.postMessage({
                message: "player-runtime-error",
            }, "*");
        };
        window.parent.postMessage({
            message: "player-ready",
        }, "*");
        window.addEventListener("message", (event) =>
        {
            if (typeof event.data !== "object")
                return;
            if (typeof event.data.message !== "string")
                return;
            if (event.data.message === "set-theme") {
                document.querySelector("body").className = event.data.theme;
                return;
            }
        });
    </script>
    {{{ SCRIPT }}}
 </body>
 </html>