codecombat/app/views/play/level/tome/Spell.coffee

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SpellView = require './SpellView'
SpellTopBarView = require './SpellTopBarView'
{me} = require 'core/auth'
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{createAetherOptions} = require 'lib/aether_utils'
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utils = require 'core/utils'
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module.exports = class Spell
loaded: false
view: null
topBarView: null
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constructor: (options) ->
@spellKey = options.spellKey
@pathComponents = options.pathComponents
@session = options.session
@otherSession = options.otherSession
@spectateView = options.spectateView
@spectateOpponentCodeLanguage = options.spectateOpponentCodeLanguage
@observing = options.observing
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@supermodel = options.supermodel
@skipProtectAPI = options.skipProtectAPI
@worker = options.worker
@level = options.level
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p = options.programmableMethod
@commentI18N = p.i18n
@commentContext = p.context
@languages = p.languages ? {}
@languages.javascript ?= p.source
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@name = p.name
@permissions = read: p.permissions?.read ? [], readwrite: p.permissions?.readwrite ? [] # teams
@team = @permissions.readwrite[0] ? 'common'
if @canWrite()
@setLanguage options.language
else if @otherSession and @team is @otherSession.get 'team'
@setLanguage @otherSession.get('submittedCodeLanguage') or @otherSession.get('codeLanguage')
else
@setLanguage 'javascript'
@source = @originalSource
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@parameters = p.parameters
if @permissions.readwrite.length and sessionSource = @session.getSourceFor(@spellKey)
if sessionSource isnt '// Should fill in some default source\n' # TODO: figure out why session is getting this default source in there and stop it
@source = sessionSource
if p.aiSource and not @otherSession and not @canWrite()
@source = @originalSource = p.aiSource
@isAISource = true
if @canRead() # We can avoid creating these views if we'll never use them.
@view = new SpellView {spell: @, level: options.level, session: @session, otherSession: @otherSession, worker: @worker, god: options.god, @supermodel, levelID: options.levelID}
@view.render() # Get it ready and code loaded in advance
@topBarView = new SpellTopBarView
hintsState: options.hintsState
spell: @
supermodel: @supermodel
codeLanguage: @language
level: options.level
session: options.session
courseID: options.courseID
@topBarView.render()
Backbone.Mediator.publish 'tome:spell-created', spell: @
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destroy: ->
@view?.destroy()
@topBarView?.destroy()
@thang = null
@worker = null
setLanguage: (@language) ->
@language = 'html' if @level.isType('web-dev')
#console.log 'setting language to', @language, 'so using original source', @languages[language] ? @languages.javascript
@originalSource = @languages[@language] ? @languages.javascript
@originalSource = @addPicoCTFProblem() if window.serverConfig.picoCTF
if @level.isType('web-dev')
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# Pull apart the structural wrapper code and the player code, remember the wrapper code, and strip indentation on player code.
playerCode = @originalSource.match(/<playercode>\n([\s\S]*)\n *<\/playercode>/)[1]
playerCodeLines = playerCode.split('\n')
indentation = playerCodeLines[0].length - playerCodeLines[0].trim().length
playerCode = (line.substr(indentation) for line in playerCodeLines).join('\n')
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@wrapperCode = @originalSource.replace /<playercode>[\s\S]*<\/playercode>/, '' # ☃ serves as placeholder for constructHTML
@originalSource = playerCode
# Translate comments chosen spoken language.
return unless @commentContext
context = $.extend true, {}, @commentContext
if @commentI18N
spokenLanguage = me.get 'preferredLanguage'
while spokenLanguage
spokenLanguage = spokenLanguage.substr 0, spokenLanguage.lastIndexOf('-') if fallingBack?
if spokenLanguageContext = @commentI18N[spokenLanguage]?.context
context = _.merge context, spokenLanguageContext
break
fallingBack = true
try
@originalSource = _.template @originalSource, context
catch e
console.error "Couldn't create example code template of", @originalSource, "\nwith context", context, "\nError:", e
if /loop/.test(@originalSource) and @level.isType('course', 'course-ladder')
# Temporary hackery to make it look like we meant while True: in our sample code until we can update everything
@originalSource = switch @language
when 'python' then @originalSource.replace /loop:/, 'while True:'
when 'javascript' then @originalSource.replace /loop {/, 'while (true) {'
when 'lua' then @originalSource.replace /loop\n/, 'while true then\n'
when 'coffeescript' then @originalSource
else @originalSource
constructHTML: (source) ->
@wrapperCode.replace '', source
addPicoCTFProblem: ->
return @originalSource unless problem = @level.picoCTFProblem
description = """
-- #{problem.name} --
#{problem.description}
""".replace /<p>(.*?)<\/p>/gi, '$1'
("// #{line}" for line in description.split('\n')).join('\n') + '\n' + @originalSource
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addThang: (thang) ->
if @thang?.thang.id is thang.id
@thang.thang = thang
else
@thang = {thang: thang, aether: @createAether(thang), castAether: null}
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removeThangID: (thangID) ->
@thang = null if @thang?.thang.id is thangID
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canRead: (team) ->
(team ? me.team) in @permissions.read or (team ? me.team) in @permissions.readwrite
canWrite: (team) ->
(team ? me.team) in @permissions.readwrite
getSource: ->
@view?.getSource() ? @source
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transpile: (source) ->
if source
@source = source
else
source = @getSource()
unless @language is 'html'
@thang?.aether.transpile source
null
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hasChanged: (newSource=null, currentSource=null) ->
(newSource ? @originalSource) isnt (currentSource ? @source)
hasChangedSignificantly: (newSource=null, currentSource=null, cb) ->
unless aether = @thang?.aether
console.error @toString(), 'couldn\'t find a spellThang with aether', @thang
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cb false
if @worker
workerMessage =
function: 'hasChangedSignificantly'
a: (newSource ? @originalSource)
spellKey: @spellKey
b: (currentSource ? @source)
careAboutLineNumbers: true
careAboutLint: true
@worker.addEventListener 'message', (e) =>
workerData = JSON.parse e.data
if workerData.function is 'hasChangedSignificantly' and workerData.spellKey is @spellKey
@worker.removeEventListener 'message', arguments.callee, false
cb(workerData.hasChanged)
@worker.postMessage JSON.stringify(workerMessage)
else
cb(aether.hasChangedSignificantly((newSource ? @originalSource), (currentSource ? @source), true, true))
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createAether: (thang) ->
writable = @permissions.readwrite.length > 0 and not @isAISource
skipProtectAPI = @skipProtectAPI or not writable or @level.isType('game-dev')
problemContext = @createProblemContext thang
includeFlow = @level.isType('hero', 'hero-ladder', 'hero-coop', 'course', 'course-ladder', 'game-dev') and not skipProtectAPI
aetherOptions = createAetherOptions
functionName: @name
codeLanguage: @language
functionParameters: @parameters
skipProtectAPI: skipProtectAPI
includeFlow: includeFlow
problemContext: problemContext
useInterpreter: true
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aether = new Aether aetherOptions
if @worker
workerMessage =
function: 'createAether'
spellKey: @spellKey
options: aetherOptions
@worker.postMessage JSON.stringify workerMessage
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aether
updateLanguageAether: (@language) ->
@thang?.aether?.setLanguage @language
@thang?.castAether = null
Backbone.Mediator.publish 'tome:spell-changed-language', spell: @, language: @language
if @worker
workerMessage =
function: 'updateLanguageAether'
newLanguage: @language
@worker.postMessage JSON.stringify workerMessage
@transpile()
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toString: ->
"<Spell: #{@spellKey}>"
createProblemContext: (thang) ->
# Create problemContext Aether can use to craft better error messages
# stringReferences: values that should be referred to as a string instead of a variable (e.g. "Brak", not Brak)
# thisMethods: methods available on the 'this' object
# thisProperties: properties available on the 'this' object
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# commonThisMethods: methods that are available sometimes, but not awlays
# NOTE: Assuming the first createProblemContext call has everything we need, and we'll use that forevermore
return @problemContext if @problemContext?
@problemContext = { stringReferences: [], thisMethods: [], thisProperties: [] }
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# TODO: These should be read from the database
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@problemContext.commonThisMethods = ['moveRight', 'moveLeft', 'moveUp', 'moveDown', 'attack', 'findNearestEnemy', 'buildXY', 'moveXY', 'say', 'move', 'distance', 'findEnemies', 'findFriends', 'addFlag', 'findFlag', 'removeFlag', 'findFlags', 'attackRange', 'cast', 'buildTypes', 'jump', 'jumpTo', 'attackXY']
return @problemContext unless thang?
# Populate stringReferences
for key, value of thang.world?.thangMap
if (value.isAttackable or value.isSelectable) and value.id not in @problemContext.stringReferences
@problemContext.stringReferences.push value.id
# Populate thisMethods and thisProperties
if thang.programmableProperties?
for prop in thang.programmableProperties
if _.isFunction(thang[prop])
@problemContext.thisMethods.push prop
else
@problemContext.thisProperties.push prop
# TODO: See SpellPaletteView.createPalette() for other interesting contextual properties
@problemContext