parse-grid-bench

Parses the data files from Nathan Sturtevant's grid path finding benchmark.

Example

var fs = require('fs')
var path = require('path')
var imshow = require('ndarray-imshow')
var parseMap = require('../map')
var parseScen = require('../scenario')

//Read in data
var mapStr = fs.readFileSync('./maps/bg512/AR0011SR.map', 'utf-8')
var scenStr = fs.readFileSync('./scenarios/bg512/AR0011SR.map.scen', 'utf-8')

console.log(parseScen(scenStr))
imshow(parseMap(mapStr))

Output:

[ { bucket: 61,
    map: 'maps/bgmaps/AR0011SR.map',
    width: 512,
    height: 512,
    srcX: 210,
    srcY: 395,
    dstX: 87,
    dstY: 201,
    length: 244.95 },
  { bucket: 33,
    map: 'maps/bgmaps/AR0011SR.map',
    width: 512,
    height: 512,
    srcX: 244,
    srcY: 370,
    dstX: 359,
    dstY: 376,
    length: 132.4 },
 ...
]

Install

npm i parse-grid-bench

API

var map = require('parse-grid-bench/map')(mapStr)

Parses a map file from a string

• mapStr is a string containing the map data

Returns An ndarray representing the map data. Each entry in the map file has the following meaning:

• 0 free terrain
• 1 impassable terrain/obstacle
• 2 swamp
• 3 water

var scen = require('parse-grid-bench/scenario')(scenStr)

Parses a scenario file.

• scenStr is a string containing the scenario

Returns An array of scenario data. Each scenario has the following properties:

• bucket A random number, ignore it
• map A path to the map data for the scenario.
• width the width of the map data in the map string
• height the height of the map data in the map string
• srcX the start X position
• srcY the start Y position
• dstX the goal X position
• dstY the goal Y position
• length the optimal path length, assuming diagonal motion allowed

License

(c) 2015 Mikola Lysenko. MIT License