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Such beauty, wow!
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| const highlights = []; | ||
| const min2src = []; | ||
| const src2min = []; | ||
|
|
||
| function getHash(line, col, isMin) { | ||
| return line * 1000 + col; | ||
| } | ||
|
|
||
| function extractAnnotations(str) { | ||
| const lines = str.split('\n'); | ||
| for (let i = 0; i < lines.length; i++) { | ||
| var hasReplaced = true; | ||
| while (hasReplaced) { | ||
| hasReplaced = false; | ||
| lines[i] = lines[i].replace(/(\w+)@(-?\d+),(-?\d+)@/, function (match, ident, line, col, offset) { | ||
| hasReplaced = true; | ||
| line--; | ||
| col--; | ||
| min2src[getHash(i, offset)] = { ident, line, col }; | ||
| src2min[getHash(line, col)] = { ident, line: i, col: offset }; | ||
| return ident; | ||
| }); | ||
| } | ||
| } | ||
| return lines.join('\n'); | ||
| } | ||
|
|
||
| function getPrefix(isMin) { | ||
| return isMin ? 'min' : 'src'; | ||
| } | ||
|
|
||
| function addAnnotations(str, sourceMap, div, isMin) { | ||
| const lines = str.split('\n'); | ||
| for (let i = 0; i < lines.length; i++) { | ||
| const line = lines[i]; | ||
| const lineDiv = document.createElement('div'); | ||
| lineDiv.classList.add('line'); | ||
| var html = line.replace(/\w+/g, function (match, offset) { | ||
| // console.log(match, i, offset); | ||
| const hash1 = getHash(i, offset); | ||
| if (sourceMap[hash1]) { | ||
| const hash2 = getHash(sourceMap[hash1].line, sourceMap[hash1].col); | ||
| return `<a id=${getPrefix(isMin)}${hash1} class="ident" onclick="show(this, '${getPrefix(!isMin)}${hash2}')">${match}</a>`; | ||
| } | ||
| return match; | ||
| }); | ||
|
|
||
| const comment = html.indexOf('//'); | ||
| if (comment !== -1) { | ||
| html = html.substring(0, comment) + '<span class="comment">' + html.substring(comment) + '</span>'; | ||
| } | ||
|
|
||
| lineDiv.innerHTML = html; | ||
| div.appendChild(lineDiv); | ||
| } | ||
| } | ||
|
|
||
| function show(x, hash) { | ||
| // TODO: support multiple references | ||
| const link = document.getElementById(hash); | ||
| removeHighlights(); | ||
| addHighlight(link); | ||
| addHighlight(x); | ||
| } | ||
| function removeHighlights() { | ||
| for (const hl of highlights) { | ||
| hl.classList.remove('highlight'); | ||
| } | ||
| highlights.length = 0; | ||
| } | ||
|
|
||
|
|
||
| function addHighlight(item) { | ||
| item.classList.add('highlight'); | ||
| item.scrollIntoView({ block: "center" }); | ||
| highlights.push(item); | ||
| } | ||
|
|
||
| function updateShader(shaderSource, shaderMinified) { | ||
| const source = document.querySelector('.source'); | ||
| const minified = document.querySelector('.minified'); | ||
|
|
||
| removeHighlights(); | ||
| source.innerHTML = ''; | ||
| minified.innerHTML = ''; | ||
| min2src.length = 0; | ||
| src2min.length = 0; | ||
|
|
||
| const shaderMinified2 = extractAnnotations(shaderMinified); | ||
| addAnnotations(shaderMinified2, min2src, minified, true); | ||
| addAnnotations(shaderSource, src2min, source, false); | ||
| } | ||
|
|
||
| function copyBtn() { | ||
| const minified = document.querySelector('.minified'); | ||
| console.log("Copy", minified.textContent); | ||
| navigator.clipboard.writeText(minified.textContent); | ||
| } |
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