mirror of
https://github.com/rastapasta/mapscii.git
synced 2024-11-08 01:04:01 +01:00
🎨 refactoring
This commit is contained in:
parent
d3ddc23de4
commit
e52ae425f6
356
termap.coffee
356
termap.coffee
@ -4,205 +4,225 @@ Protobuf = require 'pbf'
|
||||
keypress = require 'keypress'
|
||||
fs = require 'fs'
|
||||
zlib = require 'zlib'
|
||||
mouse = require('term-mouse')()
|
||||
TermMouse = require('term-mouse')
|
||||
|
||||
keypress process.stdin
|
||||
process.stdin.setRawMode(true)
|
||||
process.stdin.resume()
|
||||
class Termap
|
||||
config:
|
||||
drawOrder: ["admin", "water", "landuse", "building", "road", "poi_label"]
|
||||
|
||||
mouse.start()
|
||||
icons:
|
||||
car: "🚗"
|
||||
school: "🏫"
|
||||
marker: "⭐"
|
||||
'art-gallery': "🎨"
|
||||
attraction: "❕"
|
||||
stadium: "🏈"
|
||||
toilet: "🚽"
|
||||
cafe: "☕"
|
||||
laundry: "👚"
|
||||
bus: "🚌"
|
||||
restaurant: "🍛"
|
||||
lodging: "🛏"
|
||||
'fire-station': "🚒"
|
||||
shop: "🛍"
|
||||
pharmacy: "💊"
|
||||
beer: "🍺"
|
||||
cinema: "🎦"
|
||||
|
||||
width = null
|
||||
height = null
|
||||
layers:
|
||||
poi_label:
|
||||
color: "red"
|
||||
road:
|
||||
color: "white"
|
||||
landuse:
|
||||
color: "green"
|
||||
water:
|
||||
color: "blue"
|
||||
admin:
|
||||
color: "red"
|
||||
building:
|
||||
color: 8
|
||||
|
||||
config =
|
||||
drawOrder: ["admin", "water", "landuse", "building", "road", "poi_label"]
|
||||
mouse: null
|
||||
width: null
|
||||
height: null
|
||||
canvas: null
|
||||
|
||||
icons:
|
||||
car: "🚗"
|
||||
school: "🏫"
|
||||
marker: "⭐"
|
||||
'art-gallery': "🎨"
|
||||
attraction: "❕"
|
||||
stadium: "🏈"
|
||||
toilet: "🚽"
|
||||
cafe: "☕"
|
||||
laundry: "👚"
|
||||
bus: "🚌"
|
||||
restaurant: "🍕"
|
||||
lodging: "🏨"
|
||||
'fire-station': "🚒"
|
||||
shop: "🏬"
|
||||
pharmacy: "💊"
|
||||
beer: "🍺"
|
||||
cinema: "🎦"
|
||||
isDrawing: false
|
||||
lastDrawAt: 0
|
||||
|
||||
layers:
|
||||
poi_label:
|
||||
color: "red"
|
||||
road:
|
||||
color: "white"
|
||||
landuse:
|
||||
color: "green"
|
||||
water:
|
||||
color: "blue"
|
||||
admin:
|
||||
color: "red"
|
||||
building:
|
||||
color: 8
|
||||
mousePosition: [0, 0]
|
||||
mouseDragging: false
|
||||
|
||||
canvas = null
|
||||
view: [-400, -80]
|
||||
scale: 4
|
||||
|
||||
init = ->
|
||||
width = Math.floor((process.stdout.columns-1)/2)*2*2
|
||||
height = Math.ceil(process.stdout.rows/4)*4*4
|
||||
canvas = new Canvas width, height
|
||||
init()
|
||||
constructor: ->
|
||||
@_initControls()
|
||||
@_initCanvas()
|
||||
|
||||
features = {}
|
||||
data = fs.readFileSync __dirname+"/tiles/regensburg.pbf.gz"
|
||||
zlib.gunzip data, (err, buffer) ->
|
||||
throw new Error err if err
|
||||
@_onResize =>
|
||||
@_initCanvas()
|
||||
@_draw()
|
||||
|
||||
tile = new VectorTile new Protobuf buffer
|
||||
_initControls: ->
|
||||
keypress process.stdin
|
||||
process.stdin.setRawMode true
|
||||
process.stdin.resume()
|
||||
|
||||
# Load all layers and preparse the included geometries
|
||||
for name,layer of tile.layers
|
||||
if config.layers[name]
|
||||
features[name] = []
|
||||
process.stdin.on 'keypress', (ch, key) => @_onKey key
|
||||
|
||||
for i in [0...layer.length]
|
||||
feature = layer.feature i
|
||||
features[name].push
|
||||
type: [undefined, "point", "line", "polygon"][feature.type]
|
||||
id: feature.id
|
||||
properties: feature.properties
|
||||
points: feature.loadGeometry()
|
||||
@mouse = TermMouse()
|
||||
@mouse.start()
|
||||
|
||||
draw()
|
||||
@mouse.on 'click', (event) => @_onClick event
|
||||
@mouse.on 'scroll', (event) => @_onMouseScroll event
|
||||
@mouse.on 'move', (event) => @_onMouseMove event
|
||||
|
||||
view = [-400, -80]
|
||||
scale = 4
|
||||
_initCanvas: ->
|
||||
@width = Math.floor((process.stdout.columns-1)/2)*2*2
|
||||
@height = Math.ceil(process.stdout.rows/4)*4*4
|
||||
@canvas = new Canvas @width, @height
|
||||
|
||||
flush = ->
|
||||
process.stdout.write canvas._canvas.frame()
|
||||
_onResize: (cb) ->
|
||||
process.stdout.on 'resize', cb
|
||||
|
||||
lastDraw = null
|
||||
drawing = false
|
||||
draw = ->
|
||||
return if drawing
|
||||
lastDraw = Date.now()
|
||||
drawing = true
|
||||
canvas.clearRect(0, 0, width, height)
|
||||
_onClick: (event) ->
|
||||
if @mouseDragging and event.button is "left"
|
||||
@view[0] -= (@mouseDragging.x-@mousePosition.x)*2
|
||||
@view[1] -= (@mouseDragging.y-@mousePosition.y)*4
|
||||
@_draw()
|
||||
|
||||
canvas.save()
|
||||
@mouseDragging = false
|
||||
|
||||
canvas.translate view[0], view[1]
|
||||
for layer in config.drawOrder
|
||||
continue unless features[layer]
|
||||
_onMouseScroll: (event) ->
|
||||
# TODO: handle .x/y for directed zoom
|
||||
@zoomBy .5 * if event.button is "up" then 1 else -1
|
||||
@_draw()
|
||||
|
||||
canvas.strokeStyle = canvas.fillStyle = config.layers[layer].color
|
||||
_onMouseMove: (event) ->
|
||||
# only continue if x/y are valid
|
||||
return unless event.x <= process.stdout.columns and event.y <= process.stdout.rows
|
||||
|
||||
for feature in features[layer]
|
||||
for points in feature.points
|
||||
# start dragging
|
||||
if not @mouseDragging and event.button is "left"
|
||||
@mouseDragging = x: event.x, y: event.y
|
||||
|
||||
visible = false
|
||||
points = for point in points
|
||||
p = [point.x/scale, point.y/scale]
|
||||
if not visible and p[0]+view[0]>=4 and p[0]+view[0]<width-4 and p[1]+view[1]>=0 and p[1]+view[1]<height
|
||||
visible = true
|
||||
p
|
||||
continue unless visible
|
||||
# update internal mouse tracker
|
||||
@mousePosition = x: event.x, y: event.y
|
||||
|
||||
switch feature.type
|
||||
when "polygon", "line"
|
||||
canvas.beginPath()
|
||||
canvas.moveTo points.shift()...
|
||||
canvas.lineTo point... for point in points
|
||||
canvas.stroke()
|
||||
_onKey: (key) ->
|
||||
# check if the pressed key is configured
|
||||
draw = switch key?.name
|
||||
when "q"
|
||||
process.exit 0
|
||||
|
||||
when "point"
|
||||
canvas.fillText (config.icons[feature.properties.maki] or "X"), point... for point in points
|
||||
when "a" then @zoomBy(.5)
|
||||
when "z" then @zoomBy(-.5)
|
||||
when "left" then @view[0] += 5
|
||||
when "right" then @view[0] -= 5
|
||||
when "up" then @view[1]+= 5
|
||||
when "down" then @view[1]-= 5
|
||||
|
||||
canvas.restore()
|
||||
|
||||
flush()
|
||||
process.stdout.write getStatus()
|
||||
|
||||
drawing = false
|
||||
|
||||
getStatus = ->
|
||||
"TerMap up and running!"
|
||||
|
||||
notify = (text) ->
|
||||
return if drawing
|
||||
process.stdout.write "\r\x1B[K#{getStatus()} #{text}"
|
||||
|
||||
# moving = null
|
||||
# process.stdin.on 'mousepress', (info) ->
|
||||
# # TODO: file bug @keypress, fails after x>95 / sequence: '\u001b[M#B'
|
||||
# if info.x > 2048
|
||||
# info.x = 100
|
||||
#
|
||||
# if info.button is "left"
|
||||
# moving = info
|
||||
#
|
||||
# else if moving and info.release
|
||||
#
|
||||
# draw()
|
||||
|
||||
zoomBy = (step) ->
|
||||
return unless scale+step > 0
|
||||
|
||||
before = scale
|
||||
scale += step
|
||||
|
||||
view[0] = view[0]*before/scale + if step > 0 then 8 else -8
|
||||
view[1] = view[1]*before/scale + if step > 0 then 8 else -8
|
||||
|
||||
process.stdin.on 'keypress', (ch, key) ->
|
||||
result = switch key?.name
|
||||
when "q"
|
||||
process.exit 0
|
||||
|
||||
when "a" then zoomBy(.5)
|
||||
when "z" then zoomBy(-.5)
|
||||
when "left" then view[0] += 5
|
||||
when "right" then view[0] -= 5
|
||||
when "up" then view[1]+= 5
|
||||
when "down" then view[1]-= 5
|
||||
else
|
||||
false
|
||||
|
||||
if draw
|
||||
@_draw()
|
||||
else
|
||||
false
|
||||
# display debug info for unhandled keys
|
||||
@notify JSON.stringify key
|
||||
|
||||
if result
|
||||
draw()
|
||||
else
|
||||
notify JSON.stringify key
|
||||
_parseTile: (buffer) ->
|
||||
# extract, decode and parse a given tile buffer
|
||||
new VectorTile new Protobuf zlib.gunzipSync data
|
||||
|
||||
process.stdout.on 'resize', ->
|
||||
init()
|
||||
draw()
|
||||
_getFeatures: (tile) ->
|
||||
features = {}
|
||||
for name,layer of tile.layers
|
||||
continue unless @config.layers[name]
|
||||
|
||||
moving = null
|
||||
mousePosition = null
|
||||
features[name] = for i in [0...layer.length]
|
||||
feature = layer.feature i
|
||||
|
||||
mouse.on 'click', (event) ->
|
||||
if moving and event.button is "left"
|
||||
view[0] -= (moving.x-mousePosition.x)*2
|
||||
view[1] -= (moving.y-mousePosition.y)*4
|
||||
draw()
|
||||
type: [undefined, "point", "line", "polygon"][feature.type]
|
||||
id: feature.id
|
||||
properties: feature.properties
|
||||
points: feature.loadGeometry()
|
||||
|
||||
moving = null
|
||||
features
|
||||
|
||||
mouse.on 'scroll', (event) ->
|
||||
# TODO: handle .x/y for directed zoom
|
||||
zoomBy .5 * if event.button is "up" then 1 else -1
|
||||
draw()
|
||||
_draw: ->
|
||||
return if @isDrawing
|
||||
@isDrawing = true
|
||||
@lastDrawAt = Date.now()
|
||||
|
||||
mouse.on 'move', (event) ->
|
||||
return unless event.x <= process.stdout.columns and event.y <= process.stdout.rows
|
||||
if not moving and event.button is "left"
|
||||
moving = x: event.x, y: event.y
|
||||
@canvas.clearRect 0, 0, @width, @height
|
||||
#@_write @canvas._canvas.frame()
|
||||
|
||||
mousePosition = x: event.x, y: event.y
|
||||
@canvas.save()
|
||||
|
||||
@canvas.translate @view[0], @view[1]
|
||||
|
||||
for layer in @config.drawOrder
|
||||
continue unless @features?[layer]
|
||||
|
||||
@canvas.strokeStyle = @canvas.fillStyle = @config.layers[layer].color
|
||||
|
||||
for feature in @features[layer]
|
||||
for points in feature.points
|
||||
|
||||
visible = false
|
||||
points = for point in points
|
||||
p = [point.x/@scale, point.y/@scale]
|
||||
if not visible and
|
||||
p[0]+@view[0]>=4 and
|
||||
p[0]+@view[0]<@width-4 and
|
||||
p[1]+@view[1]>=0 and
|
||||
p[1]+@view[1]<@height
|
||||
visible = true
|
||||
p
|
||||
continue unless visible
|
||||
|
||||
switch feature.type
|
||||
when "polygon", "line"
|
||||
@canvas.beginPath()
|
||||
@canvas.moveTo points.shift()...
|
||||
@canvas.lineTo point... for point in points
|
||||
@canvas.stroke()
|
||||
|
||||
when "point"
|
||||
@canvas.fillText (@config.icons[feature.properties.maki] or "X"), point... for point in points
|
||||
|
||||
@canvas.restore()
|
||||
|
||||
@_write @canvas._canvas.frame()
|
||||
@_write @_getFooter()
|
||||
|
||||
@isDrawing = false
|
||||
|
||||
_write: (text) ->
|
||||
process.stdout.write text
|
||||
|
||||
_getFooter: ->
|
||||
"TerMap up and running!"
|
||||
|
||||
notify: ->
|
||||
return if @isDrawing
|
||||
@_write "\r\x1B[K#{@_getFooter()} #{text}"
|
||||
|
||||
zoomBy: (step) ->
|
||||
return unless @scale+step > 0
|
||||
|
||||
before = @scale
|
||||
@scale += step
|
||||
|
||||
@view[0] = @view[0]*before/@scale + if step > 0 then 8 else -8
|
||||
@view[1] = @view[1]*before/@scale + if step > 0 then 8 else -8
|
||||
|
||||
termap = new Termap()
|
||||
|
||||
# TODO: abstracing this class, create loader class
|
||||
data = fs.readFileSync __dirname+"/tiles/regensburg.pbf.gz"
|
||||
termap.features = termap._getFeatures termap._parseTile data
|
||||
termap._draw()
|
||||
|
Loading…
Reference in New Issue
Block a user