|
| 1 | +const fs = require("fs"); |
| 2 | +const path = require("path"); |
| 3 | +const { createCanvas, loadImage } = require("canvas"); |
| 4 | +const basePath = process.cwd(); |
| 5 | +const buildDir = `${basePath}/build/json`; |
| 6 | +const inputDir = `${basePath}/build/images`; |
| 7 | +const { |
| 8 | + format, |
| 9 | + namePrefix, |
| 10 | + description, |
| 11 | + baseUri, |
| 12 | +} = require(`${basePath}/src/config.js`); |
| 13 | +const console = require("console"); |
| 14 | +const canvas = createCanvas(format.width, format.height); |
| 15 | +const ctx = canvas.getContext("2d"); |
| 16 | +const metadataList = []; |
| 17 | + |
| 18 | +const buildSetup = () => { |
| 19 | + if (fs.existsSync(buildDir)) { |
| 20 | + fs.rmdirSync(buildDir, { recursive: true }); |
| 21 | + } |
| 22 | + fs.mkdirSync(buildDir); |
| 23 | +}; |
| 24 | + |
| 25 | +const getImages = (_dir) => { |
| 26 | + try { |
| 27 | + return fs |
| 28 | + .readdirSync(_dir) |
| 29 | + .filter((item) => { |
| 30 | + let extension = path.extname(`${_dir}${item}`); |
| 31 | + if (extension == ".png" || extension == ".jpg") { |
| 32 | + return item; |
| 33 | + } |
| 34 | + }) |
| 35 | + .map((i) => { |
| 36 | + return { |
| 37 | + filename: i, |
| 38 | + path: `${_dir}/${i}`, |
| 39 | + }; |
| 40 | + }); |
| 41 | + } catch { |
| 42 | + return null; |
| 43 | + } |
| 44 | +}; |
| 45 | + |
| 46 | +const loadImgData = async (_imgObject) => { |
| 47 | + return new Promise(async (resolve) => { |
| 48 | + const image = await loadImage(`${_imgObject.path}`); |
| 49 | + resolve({ imgObject: _imgObject, loadedImage: image }); |
| 50 | + }); |
| 51 | +}; |
| 52 | + |
| 53 | +const draw = (_imgObject) => { |
| 54 | + let w = canvas.width; |
| 55 | + let h = canvas.height; |
| 56 | + ctx.drawImage(_imgObject.loadedImage, 0, 0, w, h); |
| 57 | +}; |
| 58 | + |
| 59 | +const addRarity = () => { |
| 60 | + let w = canvas.width; |
| 61 | + let h = canvas.height; |
| 62 | + let i = -4; |
| 63 | + let count = 0; |
| 64 | + let imgdata = ctx.getImageData(0, 0, w, h); |
| 65 | + let rgb = imgdata.data; |
| 66 | + let newRgb = { r: 0, g: 0, b: 0 }; |
| 67 | + const tolerance = 15; |
| 68 | + const rareColorBase = "NOT a Hot Dog"; |
| 69 | + const rareColor = [ |
| 70 | + { name: "Hot Dog", rgb: { r: 192, g: 158, b: 131 } }, |
| 71 | + { name: "Hot Dog", rgb: { r: 128, g: 134, b: 90 } }, |
| 72 | + { name: "Hot Dog", rgb: { r: 113, g: 65, b: 179 } }, |
| 73 | + { name: "Hot Dog", rgb: { r: 162, g: 108, b: 67 } }, |
| 74 | + ]; |
| 75 | + |
| 76 | + while ((i += 10 * 4) < rgb.length) { |
| 77 | + ++count; |
| 78 | + newRgb.r += rgb[i]; |
| 79 | + newRgb.g += rgb[i + 1]; |
| 80 | + newRgb.b += rgb[i + 2]; |
| 81 | + } |
| 82 | + |
| 83 | + newRgb.r = ~~(newRgb.r / count); |
| 84 | + newRgb.g = ~~(newRgb.g / count); |
| 85 | + newRgb.b = ~~(newRgb.b / count); |
| 86 | + |
| 87 | + let rarity = rareColorBase; |
| 88 | + |
| 89 | + rareColor.forEach((color) => { |
| 90 | + if (isNeighborColor(newRgb, color.rgb, tolerance)) { |
| 91 | + rarity = color.name; |
| 92 | + } |
| 93 | + }); |
| 94 | + |
| 95 | + console.log(newRgb); |
| 96 | + console.log(rarity); |
| 97 | + |
| 98 | + return [ |
| 99 | + { |
| 100 | + trait_type: "average color", |
| 101 | + value: `rgb(${newRgb.r},${newRgb.g},${newRgb.b})`, |
| 102 | + }, |
| 103 | + { |
| 104 | + trait_type: "What is this?", |
| 105 | + value: rarity, |
| 106 | + }, |
| 107 | + { |
| 108 | + trait_type: "date", |
| 109 | + value: randomIntFromInterval(1500, 1900), |
| 110 | + }, |
| 111 | + ]; |
| 112 | +}; |
| 113 | + |
| 114 | +randomIntFromInterval = (min, max) => { |
| 115 | + return Math.floor(Math.random() * (max - min + 1) + min); |
| 116 | +}; |
| 117 | + |
| 118 | +isNeighborColor = (color1, color2, tolerance) => { |
| 119 | + return ( |
| 120 | + Math.abs(color1.r - color2.r) <= tolerance && |
| 121 | + Math.abs(color1.g - color2.g) <= tolerance && |
| 122 | + Math.abs(color1.b - color2.b) <= tolerance |
| 123 | + ); |
| 124 | +}; |
| 125 | + |
| 126 | +const saveMetadata = (_loadedImageObject) => { |
| 127 | + let shortName = _loadedImageObject.imgObject.filename.replace( |
| 128 | + /\.[^/.]+$/, |
| 129 | + "" |
| 130 | + ); |
| 131 | + |
| 132 | + let tempAttributes = []; |
| 133 | + tempAttributes.push(addRarity()); |
| 134 | + |
| 135 | + let tempMetadata = { |
| 136 | + name: `${namePrefix} #${shortName}`, |
| 137 | + description: description, |
| 138 | + image: `${baseUri}/${shortName}.png`, |
| 139 | + edition: Number(shortName), |
| 140 | + attributes: tempAttributes, |
| 141 | + compiler: "HashLips Art Engine", |
| 142 | + }; |
| 143 | + fs.writeFileSync( |
| 144 | + `${buildDir}/${shortName}.json`, |
| 145 | + JSON.stringify(tempMetadata, null, 2) |
| 146 | + ); |
| 147 | + metadataList.push(tempMetadata); |
| 148 | +}; |
| 149 | + |
| 150 | +const writeMetaData = (_data) => { |
| 151 | + fs.writeFileSync(`${buildDir}/_metadata.json`, _data); |
| 152 | +}; |
| 153 | + |
| 154 | +const startCreating = async () => { |
| 155 | + const images = getImages(inputDir); |
| 156 | + if (images == null) { |
| 157 | + console.log("Please generate collection first."); |
| 158 | + return; |
| 159 | + } |
| 160 | + let loadedImageObjects = []; |
| 161 | + images.forEach((imgObject) => { |
| 162 | + loadedImageObjects.push(loadImgData(imgObject)); |
| 163 | + }); |
| 164 | + await Promise.all(loadedImageObjects).then((loadedImageObjectArray) => { |
| 165 | + loadedImageObjectArray.forEach((loadedImageObject) => { |
| 166 | + draw(loadedImageObject); |
| 167 | + saveMetadata(loadedImageObject); |
| 168 | + console.log( |
| 169 | + `Created metadata for image: ${loadedImageObject.imgObject.filename}` |
| 170 | + ); |
| 171 | + }); |
| 172 | + }); |
| 173 | + writeMetaData(JSON.stringify(metadataList, null, 2)); |
| 174 | +}; |
| 175 | + |
| 176 | +buildSetup(); |
| 177 | +startCreating(); |
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