Add PS spritesheet generator tool

.gitignore

@@ -1,2 +1,4 @@
 build/
 .tup
+node_modules
+pnpm-debug.log

README.md

@@ -33,6 +33,8 @@ $ brew install tup graphicsmagick advancecomp
 
 ## Building
 
+Install dependencies once with `pnpm install`. Then, to build:
+
 ```
 $ tup
 ```

pnpm-lock.yaml

@@ -0,0 +1,681 @@
+importers:
+  tools/sprites:
+    dependencies:
+      commander: 5.0.0
+      make-promises-safe: 5.1.0
+      spritesmith: 3.4.0
+    specifiers:
+      commander: ^5.0.0
+      make-promises-safe: ^5.1.0
+      spritesmith: ^3.4.0
+lockfileVersion: 5.1
+packages:
+  /ajv/6.12.0:
+    dependencies:
+      fast-deep-equal: 3.1.1
+      fast-json-stable-stringify: 2.1.0
+      json-schema-traverse: 0.4.1
+      uri-js: 4.2.2
+    dev: false
+    resolution:
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+    dependencies:
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+    dev: false
+    resolution:
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+    resolution:
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+    dev: false
+    resolution:
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+    dev: false
+    resolution:
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+  /aws4/1.9.1:
+    dev: false
+    resolution:
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+    dependencies:
+      tweetnacl: 0.14.5
+    dev: false
+    resolution:
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+  /bin-pack/1.0.2:
+    dev: false
+    resolution:
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+  /caseless/0.12.0:
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+    resolution:
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+    engines:
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+    resolution:
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+      typedarray: 0.0.6
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+    engines:
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+    resolution:
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+      node-bitmap: 0.0.1
+      omggif: 1.0.10
+      parse-data-uri: 0.2.0
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+      uuid: 3.4.0
+    deprecated: 'request has been deprecated, see https://github.com/request/request/issues/3142'
+    dev: false
+    engines:
+      node: '>= 6'
+    resolution:
+      integrity: sha512-MsvtOrfG9ZcrOwAW+Qi+F6HbD0CWXEh9ou77uOb7FM2WPhwT7smM833PzanhJLsgXjN89Ir6V2PczXNnMpwKhw==
+  /safe-buffer/5.1.2:
+    dev: false
+    resolution:
+      integrity: sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
+  /safe-buffer/5.2.0:
+    dev: false
+    resolution:
+      integrity: sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg==
+  /safer-buffer/2.1.2:
+    dev: false
+    resolution:
+      integrity: sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
+  /save-pixels/2.3.4:
+    dependencies:
+      contentstream: 1.0.0
+      gif-encoder: 0.4.3
+      jpeg-js: 0.0.4
+      ndarray: 1.0.19
+      ndarray-ops: 1.2.2
+      pngjs-nozlib: 1.0.0
+      through: 2.3.8
+    dev: false
+    resolution:
+      integrity: sha1-SdNJwGuNfAEn2/DaJLRKylr7Wf4=
+  /semver/5.0.3:
+    dev: false
+    hasBin: true
+    resolution:
+      integrity: sha1-d0Zt5YnNXTyV8TiqeLxWmjy10no=
+  /spritesmith/3.4.0:
+    dependencies:
+      concat-stream: 1.5.2
+      layout: 2.2.0
+      pixelsmith: 2.4.1
+      semver: 5.0.3
+      through2: 2.0.5
+    dev: false
+    engines:
+      node: '>= 4.0.0'
+    resolution:
+      integrity: sha512-epa/Ib2GzkrzOA6ZMKH+YOX4ooBlRz8JwIV5NQDt9FvqXVHTh4dVn/0oA+n5eeu6wem1CCrtZWODlOqvwXXpyA==
+  /sshpk/1.16.1:
+    dependencies:
+      asn1: 0.2.4
+      assert-plus: 1.0.0
+      bcrypt-pbkdf: 1.0.2
+      dashdash: 1.14.1
+      ecc-jsbn: 0.1.2
+      getpass: 0.1.7
+      jsbn: 0.1.1
+      safer-buffer: 2.1.2
+      tweetnacl: 0.14.5
+    dev: false
+    engines:
+      node: '>=0.10.0'
+    hasBin: true
+    resolution:
+      integrity: sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==
+  /string_decoder/0.10.31:
+    dev: false
+    resolution:
+      integrity: sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=
+  /string_decoder/1.1.1:
+    dependencies:
+      safe-buffer: 5.1.2
+    dev: false
+    resolution:
+      integrity: sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==
+  /strip-bom-stream/1.0.0:
+    dependencies:
+      first-chunk-stream: 1.0.0
+      strip-bom: 2.0.0
+    dev: false
+    engines:
+      node: '>=0.10.0'
+    resolution:
+      integrity: sha1-5xRDmFd9Uaa+0PoZlPoF9D/ZiO4=
+  /strip-bom/2.0.0:
+    dependencies:
+      is-utf8: 0.2.1
+    dev: false
+    engines:
+      node: '>=0.10.0'
+    resolution:
+      integrity: sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=
+  /through/2.3.8:
+    dev: false
+    resolution:
+      integrity: sha1-DdTJ/6q8NXlgsbckEV1+Doai4fU=
+  /through2/2.0.5:
+    dependencies:
+      readable-stream: 2.3.7
+      xtend: 4.0.2
+    dev: false
+    resolution:
+      integrity: sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==
+  /tough-cookie/2.5.0:
+    dependencies:
+      psl: 1.8.0
+      punycode: 2.1.1
+    dev: false
+    engines:
+      node: '>=0.8'
+    resolution:
+      integrity: sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==
+  /tunnel-agent/0.6.0:
+    dependencies:
+      safe-buffer: 5.2.0
+    dev: false
+    resolution:
+      integrity: sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=
+  /tweetnacl/0.14.5:
+    dev: false
+    resolution:
+      integrity: sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=
+  /typedarray/0.0.6:
+    dev: false
+    resolution:
+      integrity: sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
+  /uniq/1.0.1:
+    dev: false
+    resolution:
+      integrity: sha1-sxxa6CVIRKOoKBVBzisEuGWnNP8=
+  /uri-js/4.2.2:
+    dependencies:
+      punycode: 2.1.1
+    dev: false
+    resolution:
+      integrity: sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==
+  /util-deprecate/1.0.2:
+    dev: false
+    resolution:
+      integrity: sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=
+  /uuid/3.4.0:
+    dev: false
+    hasBin: true
+    resolution:
+      integrity: sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==
+  /verror/1.10.0:
+    dependencies:
+      assert-plus: 1.0.0
+      core-util-is: 1.0.2
+      extsprintf: 1.3.0
+    dev: false
+    engines:
+      '0': node >=0.6.0
+    resolution:
+      integrity: sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=
+  /vinyl-file/1.3.0:
+    dependencies:
+      graceful-fs: 4.2.3
+      strip-bom: 2.0.0
+      strip-bom-stream: 1.0.0
+      vinyl: 1.2.0
+    dev: false
+    engines:
+      node: '>=0.10.0'
+    resolution:
+      integrity: sha1-qgVjTTqGe6kUR77bs0r8sm9E9uc=
+  /vinyl/1.2.0:
+    dependencies:
+      clone: 1.0.4
+      clone-stats: 0.0.1
+      replace-ext: 0.0.1
+    dev: false
+    engines:
+      node: '>= 0.9'
+    resolution:
+      integrity: sha1-XIgDbPVl5d8FVYv8kR+GVt8hiIQ=
+  /xtend/4.0.2:
+    dev: false
+    engines:
+      node: '>=0.4'
+    resolution:
+      integrity: sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==

pnpm-workspace.yaml

@@ -0,0 +1,2 @@
+packages:
+    - 'tools/sprites'

tools/sprites/package.json

@@ -0,0 +1 @@
+{"dependencies":{"commander":"^5.0.0","make-promises-safe":"^5.1.0","spritesmith":"^3.4.0"}}

tools/sprites/ps.js

@@ -0,0 +1,42 @@
+
+require('make-promises-safe');
+
+const program = require('commander');
+const spritesmith = require('spritesmith');
+const path = require('path');
+const fs = require('fs');
+const util = require('util');
+
+const run = util.promisify(spritesmith.run);
+
+program
+    .option('--output-image <file>', 'where to put image')
+    .option('--output-metadata <file>', 'where to put JSON metadata')
+    .parse(process.argv);
+
+const files = [];
+
+for (const directory of program.args) {
+    for (const file of fs.readdirSync(directory)) {
+        files.push(path.join(directory, file));
+    }
+}
+
+function toPSID(s) {
+    return s.toLowerCase().replace(/[^a-z0-9]+/g, '');
+}
+
+(async () => {
+    const result = await run({
+        src: files,
+    });
+
+    const sprites = Object.create(null);
+    for (const [filename, {x, y, width, height}] of Object.entries(result.coordinates)) {
+        const id = toPSID(path.parse(filename).name);
+        sprites[id] = {left: x, top: y};
+    }
+
+    fs.writeFileSync(program.outputImage, result.image, 'binary');
+    fs.writeFileSync(program.outputMetadata, JSON.stringify(sprites, null, 4));
+})();