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255 lines
10 KiB
CoffeeScript
255 lines
10 KiB
CoffeeScript
CocoClass = require 'lib/CocoClass'
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utils = require 'lib/utils'
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module.exports = class GoalManager extends CocoClass
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# The Goal Manager is created both on the main thread and
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# each time the world is generated. The one in world generation
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# records which code and world related goals
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# are completed or failed, and then the results are sent back
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# and saved to the main thread instance.
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# The main instance handles goals based on UI notifications,
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# and keeps track of what the goals are at any given point.
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# Goals can only have only one goal property. Otherwise who knows what will happen.
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# If you want weird goals or hybrid goals, make a custom goal.
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nextGoalID: 0
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constructor: (@world, @initialGoals) ->
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super()
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@init()
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init: ->
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@goals = []
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@goalStates = {} # goalID -> object (complete, frameCompleted)
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@userCodeMap = {} # @userCodeMap.thangID.methodName.aether.raw = codeString
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@thangTeams = {}
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@initThangTeams()
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@addGoal goal for goal in @initialGoals if @initialGoals
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initThangTeams: ->
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return unless @world
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for thang in @world.thangs when thang.team and thang.isAttackable
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continue unless thang.team
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@thangTeams[thang.team] = [] unless @thangTeams[thang.team]
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@thangTeams[thang.team].push(thang.id)
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subscriptions:
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'god:new-world-created': 'onNewWorldCreated'
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'level:restarted': 'onLevelRestarted'
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backgroundSubscriptions:
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'world:thang-died': 'onThangDied'
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'world:thang-touched-goal': 'onThangTouchedGoal'
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'world:thang-left-map': 'onThangLeftMap'
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'world:thang-collected-item': 'onThangCollectedItem'
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'world:ended': 'onWorldEnded'
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onLevelRestarted: ->
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@goals = []
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@goalStates = {}
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@userCodeMap = {}
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@notifyGoalChanges()
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@addGoal goal for goal in @initialGoals if @initialGoals
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# INTERFACE AND LIFETIME OVERVIEW
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# world generator gets current goals from the main instance
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getGoals: -> @goals
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# background instance created by world generator,
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# gets these goals and code, and is told to be all ears during world gen
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setGoals: (@goals) ->
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setCode: (@userCodeMap) -> @updateCodeGoalStates()
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worldGenerationWillBegin: -> @initGoalStates()
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# World generator feeds world events to the goal manager to keep track
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submitWorldGenerationEvent: (channel, event, frameNumber) ->
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func = @backgroundSubscriptions[channel]
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func = utils.normalizeFunc(func, @)
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return unless func
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func.call(@, event, frameNumber)
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# after world generation, generated goal states
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# are grabbed to send back to main instance
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worldGenerationEnded: (finalFrame) -> @wrapUpGoalStates(finalFrame)
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getGoalStates: -> @goalStates
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# main instance gets them and updates their existing goal states,
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# passes the word along
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onNewWorldCreated: (e) ->
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@updateGoalStates(e.goalStates) if e.goalStates?
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@world = e.world
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updateGoalStates: (newGoalStates) ->
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for goalID, goalState of newGoalStates
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continue unless @goalStates[goalID]?
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@goalStates[goalID] = goalState
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@notifyGoalChanges()
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# IMPLEMENTATION DETAILS
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addGoal: (goal) ->
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goal = _.cloneDeep(goal)
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goal.id = @nextGoalID++ if not goal.id
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return if @goalStates[goal.id]?
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@goals.push(goal)
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goal.isPositive = @goalIsPositive goal.id
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@goalStates[goal.id] = {status: 'incomplete', keyFrame: 0}
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@notifyGoalChanges()
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return unless goal.notificationGoal
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f = (channel) => (event) => @onNote(channel, event)
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channel = goal.notificationGoal.channel
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@addNewSubscription(channel, f(channel))
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notifyGoalChanges: ->
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overallStatus = @checkOverallStatus()
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event = {goalStates: @goalStates, goals: @goals, overallStatus: overallStatus}
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#console.log JSON.stringify(event), "new goal states"
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Backbone.Mediator.publish('goal-manager:new-goal-states', event)
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checkOverallStatus: (ignoreIncomplete=false) ->
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overallStatus = null
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statuses = if @goalStates then (val.status for key, val of @goalStates) else []
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overallStatus = 'success' if statuses.length > 0 and _.every(statuses, (s) -> s is 'success' or (ignoreIncomplete and s is null))
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overallStatus = 'failure' if statuses.length > 0 and 'failure' in statuses
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overallStatus
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# WORLD GOAL TRACKING
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initGoalStates: ->
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@goalStates = {}
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return unless @goals
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for goal in @goals
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state = {
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status: null # should eventually be either 'success', 'failure', or 'incomplete'
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keyFrame: 0 # when it became a 'success' or 'failure'
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}
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@initGoalState(state, [goal.killThangs, goal.saveThangs], 'killed')
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@initGoalState(state, [goal.getToLocations?.who, goal.keepFromLocations?.who], 'arrived')
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@initGoalState(state, [goal.leaveOffSides?.who, goal.keepFromLeavingOffSides?.who], 'left')
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@initGoalState(state, [goal.collectThangs?.who, goal.keepFromCollectingThangs?.who], 'collected')
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@goalStates[goal.id] = state
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onThangDied: (e, frameNumber) ->
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for goal in @goals ? []
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@checkKillThangs(goal.id, goal.killThangs, e.thang, frameNumber) if goal.killThangs?
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@checkKillThangs(goal.id, goal.saveThangs, e.thang, frameNumber) if goal.saveThangs?
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checkKillThangs: (goalID, targets, thang, frameNumber) ->
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return unless thang.id in targets or thang.team in targets
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@updateGoalState(goalID, thang.id, 'killed', frameNumber)
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onThangTouchedGoal: (e, frameNumber) ->
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for goal in @goals ? []
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@checkArrived(goal.id, goal.getToLocations.who, goal.getToLocations.targets, e.actor.id, e.touched.id, frameNumber) if goal.getToLocations?
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@checkArrived(goal.id, goal.keepFromLocations.who, goal.keepFromLocations.targets, e.actor.id, e.touched.id, frameNumber) if goal.keepFromLocations?
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checkArrived: (goalID, who, targets, thangID, touchedID, frameNumber) ->
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return unless touchedID in targets
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return unless thangID in who
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@updateGoalState(goalID, thangID, 'arrived', frameNumber)
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onThangLeftMap: (e, frameNumber) ->
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for goal in @goals ? []
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@checkLeft(goal.id, goal.leaveOffSides.who, goal.leaveOffSides.sides, e.thang.id, e.side, frameNumber) if goal.leaveOffSides?
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@checkLeft(goal.id, goal.keepFromLeavingOffSides.who, goal.keepFromLeavingOffSides.sides, e.thang.id, e.side, frameNumber) if goal.keepFromLeavingOffSides?
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checkLeft: (goalID, who, sides, thangID, side, frameNumber) ->
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return if sides and side and not (side in sides)
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return unless thangID in who
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@updateGoalState(goalID, thangID, 'left', frameNumber)
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onThangCollectedItem: (e, frameNumber) ->
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for goal in @goals ? []
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@checkCollected(goal.id, goal.collectThangs.who, goal.collectThangs.targets, e.actor.id, e.item.id, frameNumber) if goal.collectThangs?
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@checkCollected(goal.id, goal.keepFromCollectingThangs.who, goal.keepFromCollectingThangs.targets, e.actor.id, e.item.id, frameNumber) if goal.keepFromCollectingThangs?
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checkCollected: (goalID, who, targets, thangID, itemID, frameNumber) ->
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return unless itemID in targets
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return unless thangID in who
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@updateGoalState(goalID, thangID, 'collected', frameNumber)
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wrapUpGoalStates: (finalFrame) ->
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for goalID, state of @goalStates
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if state.status is null
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if @goalIsPositive(goalID)
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state.status = 'incomplete'
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else
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state.status = 'success'
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state.keyFrame = 'end' # special case for objective UI to handle
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# UI EVENT GOAL TRACKING
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onNote: (channel, e) ->
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# TODO for UI event related goals
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# HELPER FUNCTIONS
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# It's a pretty similar pattern for each of the above goals.
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# Once you determine a thang has done the thing, you mark it done in the progress object.
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initGoalState: (state, whos, progressObjectName) ->
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# 'whos' is an array of goal 'who' values.
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# This inits the progress object for the goal tracking.
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arrays = (prop for prop in whos when prop?.length)
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return unless arrays.length
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state[progressObjectName] = {}
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for array in arrays
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for thang in array
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if @thangTeams[thang]?
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for t in @thangTeams[thang]
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state[progressObjectName][t] = false
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else
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state[progressObjectName][thang] = false
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updateGoalState: (goalID, thangID, progressObjectName, frameNumber) ->
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# A thang has done something related to the goal!
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# Mark it down and update the goal state.
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goal = _.find @goals, {id: goalID}
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state = @goalStates[goalID]
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stateThangs = state[progressObjectName]
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stateThangs[thangID] = true
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success = @goalIsPositive goalID
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if success
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numNeeded = Math.max((goal.howMany ? 1), _.size stateThangs)
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else
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# saveThangs: by default we would want to save all the Thangs, which means that we would want none of them to be "done"
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numNeeded = _.size(stateThangs) - Math.min((goal.howMany ? 1), _.size stateThangs) + 1
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numDone = _.filter(stateThangs).length
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#console.log "needed", numNeeded, "done", numDone, "of total", _.size(stateThangs), "with how many", goal.howMany
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return unless numDone >= numNeeded
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return if state.status and not success # already failed it; don't wipe keyframe
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state.status = if success then "success" else "failure"
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state.keyFrame = frameNumber
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#console.log goalID, "became", success, "on frame", frameNumber, "with overallStatus", @checkOverallStatus true
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if overallStatus = @checkOverallStatus true
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matchedGoals = (_.find(@goals, {id: goalID}) for goalID, goalState of @goalStates when goalState.status is overallStatus)
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mostEagerGoal = _.min matchedGoals, 'worldEndsAfter'
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victory = overallStatus is "success"
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tentative = overallStatus is "success"
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@world.endWorld victory, mostEagerGoal.worldEndsAfter, tentative if mostEagerGoal isnt Infinity
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goalIsPositive: (goalID) ->
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# Positive goals are completed when all conditions are true (kill all these thangs)
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# Negative goals fail when any are true (keep all these thangs from being killed)
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goal = _.find(@goals, {id: goalID}) ? {}
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return false for prop of goal when @positiveGoalMap[prop] is 0
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true
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positiveGoalMap:
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killThangs: 1
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saveThangs: 0
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getToLocations: 1
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keepFromLocations: 0
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leaveOffSides: 1
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keepFromLeavingOffSides: 0
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collectThangs: 1
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keepFromCollectingThangs: 0
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updateCodeGoalStates: ->
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# TODO
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# teardown
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destroy: ->
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super()
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