fixed chunkHeight

.gitignore

@@ -1 +1,2 @@
 node_modules
+uo/

map.js

@@ -5,6 +5,7 @@ const FileIndexReader = require('./fileindexreader');
 const pad = require('./pad');
 
 class Map {
+
     constructor(options) {
         this.options = options;
         this.index = new FileIndexReader({
@@ -13,6 +14,18 @@ class Map {
             mulFile: `map${options.mapId}.mul`,
             uopFileExtension: 'dat'
         });
+
+        this.chunkHeightList = [
+            512,
+            512,
+            200,
+            256,
+            181
+        ];
+    }
+
+    get chunkHeight() {
+        return this.chunkHeightList[this.options.mapId];
     }
 
     getLandBlock(x, y) {
@@ -23,9 +36,60 @@ class Map {
         return this.readLandBlock(x, y);
     }
 
+    readMyMethod(x, y) {
+        /*
+         SizeOfLandChunk = 196
+
+         Block:
+            Y: real position (Y / 8)
+            X: real position (X / 8)
+            SIZE-CHUNK : 196
+            HEIGHT-CHUNK : map id: 0 = 512, 1 = 512, 2 = 200, 3 = 256, 4 = 181
+
+            (({X} * {HEIGHT-CHUNK}) + {Y}) * {SIZE-CHUNK} + 4
+
+         Cell:
+            Y: min `0` max `7`
+            X: min `0` max `7`
+
+            (({Y} * 8) + {X}) * 3
+
+         Block + Cell:
+            ((({X} * {HEIGHT-CHUNK}) + {Y}) * {SIZE-CHUNK} + 4) + (({Y} * 8) + {X}) * 3
+        */
+
+        // let offset = (((~~(x / 8) * this.chunkHeight) + ~~(y / 8)) * 196 + 4) + ((8 * 8) + 7) * 3;
+        let offset = ((~~(x / 8) * this.chunkHeight) + ~~(y / 8)) * 196 + 4;
+
+        console.log(1, offset);
+        if (this.index.isUOP) {
+            offset = this.calculateOffset(offset);
+        }
+
+        console.log(2, offset);
+        if (!this.index.reader.seek(offset)) {
+            throw `could not seek to ${offset}`;
+        }
+
+        console.log(3, offset);
+        /*console.log({
+            id : this.index.reader.nextUShort(),
+            z : this.index.reader.nextSByte()
+        });*/
+        return Array(64).fill(null).map((x, index) => {
+            const id = this.index.reader.nextUShort();
+            const z = this.index.reader.nextSByte();
+
+            return {
+                id,
+                z
+            };
+        });
+
+    }
+
     readLandBlock(x, y) {
-        const blockHeight = this.height >> 3;
-        let offset = ((x * blockHeight) + y) * 196 + 4;
+        let offset = ((x * this.chunkHeight) + y) * 196 + 4;
 
         if (this.index.isUOP) {
             offset = this.calculateOffset(offset);

test.js

@@ -1,14 +1,17 @@
-const uodatareader = require('./index');
+const uodatareader = require('./index')({
+    baseDirectory: './uo',
+    maps: [{id: 0}, {id: 1}]
+});
 
 // load map block:
-const felucca = new uodatareader.Map({
-    baseDirectory: '../tmp/uo',
-    mapId: 0
-});
+const felucca = uodatareader.maps[0];
 
-const area = felucca.getLandBlock(1, 1);
-console.log(area);
+const area = felucca.getLandBlock(~~(3615 / 8), ~~(2484 / 8));
+const my = felucca.readMyMethod(3615, 2484);
+console.log('ME', my, JSON.stringify(area));
+// console.log('REAL', JSON.stringify([{"ID":209,"Z":0},{"ID":6,"Z":0},{"ID":5,"Z":0},{"ID":5,"Z":0},{"ID":4,"Z":0},{"ID":138,"Z":0},{"ID":119,"Z":0},{"ID":1017,"Z":0},{"ID":203,"Z":0},{"ID":3,"Z":0},{"ID":211,"Z":0},{"ID":219,"Z":0},{"ID":4,"Z":0},{"ID":137,"Z":0},{"ID":120,"Z":0},{"ID":1024,"Z":0},{"ID":214,"Z":0},{"ID":209,"Z":0},{"ID":196,"Z":0},{"ID":203,"Z":0},{"ID":3,"Z":0},{"ID":137,"Z":0},{"ID":120,"Z":0},{"ID":1024,"Z":0},{"ID":215,"Z":0},{"ID":199,"Z":0},{"ID":199,"Z":0},{"ID":214,"Z":0},{"ID":219,"Z":0},{"ID":137,"Z":0},{"ID":118,"Z":0},{"ID":1024,"Z":0},{"ID":5,"Z":0},{"ID":215,"Z":0},{"ID":199,"Z":0},{"ID":196,"Z":0},{"ID":204,"Z":0},{"ID":138,"Z":0},{"ID":118,"Z":0},{"ID":1024,"Z":0},{"ID":4,"Z":0},{"ID":3,"Z":0},{"ID":206,"Z":0},{"ID":196,"Z":0},{"ID":203,"Z":0},{"ID":138,"Z":0},{"ID":117,"Z":0},{"ID":1024,"Z":0},{"ID":4,"Z":0},{"ID":6,"Z":0},{"ID":202,"Z":0},{"ID":201,"Z":0},{"ID":216,"Z":0},{"ID":138,"Z":0},{"ID":114,"Z":0},{"ID":1024,"Z":0},{"ID":6,"Z":0},{"ID":6,"Z":0},{"ID":3,"Z":0},{"ID":217,"Z":0},{"ID":210,"Z":0},{"ID":138,"Z":0},{"ID":117,"Z":0},{"ID":1024,"Z":0}]))
 
+/*
 // load land image as sharp image:
 const art = new uodatareader.Art({
     baseDirectory: '../tmp/uo'
@@ -17,3 +20,4 @@ const art = new uodatareader.Art({
 const image = art.loadLand(2);
 
 image.toFile('test.png');
+*/