Initial

.gitignore

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+node_modules/
+out/
+schematics/
+.git/
+package-lock.json

index.js

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+/*  _  _  ____   ___  _  _  ____  _  _ 
+   ( \/ )/ ___) / __)/ )( \(  __)( \/ )
+    )  ( \___ \( (__ ) __ ( ) _) / \/ \
+   (_/\_)(____/ \___)\_)(_/(____)\_)(_/  */
+
+const fs = require('fs');
+const path = require('path');
+
+if (!fs.existsSync('out')) fs.mkdirSync('out');
+if (!fs.existsSync('schematics')) fs.mkdirSync('schematics');
+
+const { Schematic } = require('prismarine-schematic');
+const { Vec3 } = require('vec3');
+
+const fileList = fs.readdirSync('schematics');
+
+if (fileList.length == 0) {
+    console.error('No files to be converted found in ./schematics/');
+    process.exit(1);
+}
+
+const f = () => {
+    
+    if (fileList.length == 0) {
+        console.log('All done!');
+        return;
+    }
+    
+    const schemFile = fileList[0];
+    const schemFilePath = path.join('schematics', schemFile);
+    const blockMap = new Map();
+    
+    console.log(`Converting ${schemFile}`);
+    
+    Schematic.read(fs.readFileSync(schemFilePath)).then((schem) => {
+        
+        schem.makeWithCommands(new Vec3(-3, 0, 0)).then((commands) => {
+            
+            for (const cmd of commands) {
+                
+                const pts = cmd.split(' ');
+                
+                const x = parseInt(pts[1]);
+                const y = parseInt(pts[2]);
+                const z = parseInt(pts[3]);
+                
+                const blockData = pts.slice(4).join(' ');
+                //.replace('persistent="true"', 'persistent="false"')
+                //.replace('distance="7"', 'distance="1"')
+                
+                if (blockData == 'air') continue;
+                if (!blockMap.has(blockData)) blockMap.set(blockData, []);
+                
+                blockMap.get(blockData).push(...[x, y, z]);
+                
+            }
+            
+            fs.writeFileSync(path.join('out', schemFile.replace('.schem', '.json')), JSON.stringify([...blockMap]), 'utf8');
+            console.log(`${schemFile} done`);
+            
+            fileList.splice(0, 1);
+            setTimeout(f, 0);
+            
+        }).catch(console.error);
+        
+    }).catch((err) => {
+        console.error(err);
+        process.exit(1);
+    });
+    
+}
+
+f();

package.json

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+{
+  "name": "xschem",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "prismarine-schematic": "^1.2.1"
+  }
+}