Use the legacy map from minecraft-data

Author: Flonja

package.json

@@ -47,6 +47,7 @@
     "prismarine-block": "^1.14.1",
     "prismarine-nbt": "^2.2.1",
     "prismarine-registry": "^1.1.0",
+    "minecraft-data": "^3.43.0",
     "smart-buffer": "^4.1.0",
     "uint4": "^0.1.2",
     "vec3": "^0.1.3",

src/bedrock/1.3/SubChunk.js

@@ -4,7 +4,7 @@ const { getChecksum } = require('../common/util')
 const neededBits = require('../../pc/common/neededBits')
 const Stream = require('../common/Stream')
 const nbt = require('prismarine-nbt')
-const legacyBlockIdMap = require('./legacy.json').blocks
+const legacyBlockIdMap = require('minecraft-data').legacy.bedrock.blocks
 
 class SubChunk {
   constructor (registry, Block, options = {}) {