88 lines
2.5 KiB
JavaScript
88 lines
2.5 KiB
JavaScript
const path = require('path');
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const { imageCreate, imageWrite, imageLoad, imageCopy } = require('./../utils/image');
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const fs = require('fs');
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const xml = require('xml-js');
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const { args } = require('./../utils/args');
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// Parse Args
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if(!args.in) throw new Error(`Missing in argument`);
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if(!args.out) throw new Error(`Missing out argument`);
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if(!args.in.endsWith('xml')) throw new Error(`Invalid in XML`);
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if(!args.out.endsWith('png')) throw new Error(`Invalid out PNG`);
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// Determine in and out.
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const file = path.resolve(args.in);
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const outFile = path.resolve(args.out);
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if(fs.existsSync(outFile)) return;
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// Load XML
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const data = xml.xml2js(fs.readFileSync(file, 'utf-8'));
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const [ character ] = data.elements;
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// Validate file.
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if(!character.attributes.context) throw new Error(`Missing context`)
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const dir = path.resolve('.', 'assets', character.attributes.context);
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// Parse base and layers
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const base = character.elements.find(e => e.name == 'base').attributes;
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if(!base) throw new Error(`Failed to find base`);
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const layers = character.elements
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.filter(e => e.name == 'layer')
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.map(e => e.attributes)
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.map(e => ({
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...e,
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x: parseInt(e.x),
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y: parseInt(e.y),
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width: parseInt(e.width),
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height: parseInt(e.height)
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}))
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;
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(async () => {
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// Load the base
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const baseImage = await imageLoad(path.join(dir, base.file));
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let columnsMax = 0;
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let widthMax = 0;
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layers.forEach((layer,row) => {
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if(!layer.width || !layer.height || !layer.x || !layer.y) {
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throw new Error(`Missing layer info`);
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}
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const layerDir = path.join(dir, layer.directory);
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const scan = fs.readdirSync(layerDir);
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columnsMax = Math.max(scan.length, columnsMax);
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widthMax = Math.max(widthMax, layer.width);
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});
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// Create the output buffer
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const out = imageCreate(
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baseImage.width + (columnsMax * widthMax),
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baseImage.height
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);
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// Copy the base
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imageCopy(out, baseImage, 0, 0);
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// Now begin copying the children, row is defined by the directory
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let y = 0;
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for(let row = 0; row < layers.length; row++) {
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const layer = layers[row];
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const layerDir = path.join(dir, layer.directory);
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const scan = fs.readdirSync(layerDir);
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// Column defined by the file index
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for(let col = 0; col < scan.length; col++) {
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const img = await imageLoad(path.join(layerDir, scan[col]));
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console.log('Copying', scan[col]);
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imageCopy(out, img,
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baseImage.width+(col*layer.width), y,
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layer
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);
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}
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y += layer.height;
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}
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await imageWrite(out, outFile);
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})().catch(console.error); |