165 lines
4.7 KiB
CoffeeScript
165 lines
4.7 KiB
CoffeeScript
#
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# Crafting Guide - crafting_plan.coffee
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#
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# Copyright © 2014-2016 by Redwood Labs
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# All rights reserved.
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#
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SimpleInventory = require './simple_inventory'
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########################################################################################################################
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module.exports = class CraftingPlan
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constructor: (modPack, want, have, steps)->
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if not modPack? then throw new Error 'modPack is required'
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if not want? then throw new Error 'want is required'
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if not have? then throw new Error 'have is required'
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if not steps? then throw new Error 'steps is required'
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@_have = have
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@_made = null
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@_modPack = modPack
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@_need = null
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@_rawScores = {}
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@_scores = {}
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@_steps = steps
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@_want = want
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@_numberSteps()
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# Public Methods ###############################################################################
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computeRequired: ->
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@_need = new SimpleInventory modPack:@_modPack
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@_need.addInventory @_want
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@_made = new SimpleInventory modPack:@_modPack
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@_made.addInventory @_have
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for i in [@_steps.length-1..0] by -1
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step = @_steps[i]
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step.multiplier = 0
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for stack in step.recipe.output
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if not stack?
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throw new Error 'stack should not be null here'
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qualifiedSlug = @_modPack.qualifySlug stack.itemSlug
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while @_need.quantityOf(qualifiedSlug) > 0
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@_executeStep step
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@_made.addInventory @_want
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@_pruneEmptySteps()
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@_numberSteps()
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hasRawScore: (name)->
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return @_rawScores[name]?
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getRawScore: (name)->
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return @_rawScores[name]
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setRawScore: (name, rawScore)->
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@_rawScores[name] = rawScore
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hasScore: (name)->
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return @_scores[name]?
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getScore: (name)->
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return @_scores[name]
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setScore: (name, score)->
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@_scores[name] = score
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# Property Methods #############################################################################
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Object.defineProperties @prototype,
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have:
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get: -> @_have
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length:
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get: -> @steps.length
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made:
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get: -> @_made
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need:
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get: -> @_need
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steps:
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get: -> @_steps
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want:
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get: -> @_want
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# Object Overrides #############################################################################
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toString: ->
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result = ["To Make:"]
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@_want.each (stack)->
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result.push " #{stack}"
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result.push "When you already have:"
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@_have.each (stack)->
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result.push " #{stack}"
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result.push "Start with:"
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if @_need?
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@_need.each (stack)->
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result.push " #{stack}"
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result.push "Use these recipes:"
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for step in @_steps
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result.push " #{step}"
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result.push "To produce:"
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if @_made?
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@_made.each (stack)->
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result.push " #{stack}"
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if _.keys(@_rawScores).length > 0
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result.push "Scores:"
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for criteria, score of @_rawScores
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if @_scores[criteria]?
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result.push " #{criteria}: #{score} (#{@_scores[criteria]})"
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else
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result.push " #{criteria}: #{score}"
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return result.join '\n'
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# Private Methods ##############################################################################
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_executeStep: (step)->
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step.multiplier += 1
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recipe = step.recipe
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for stack in recipe.input
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qualifiedSlug = @_modPack.qualifySlug stack.itemSlug
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available = @_made.quantityOf qualifiedSlug
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required = recipe.getQuantityRequired stack.itemSlug
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consumed = Math.min required, available
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deficit = required - consumed
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@_made.remove qualifiedSlug, consumed
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@_need.add qualifiedSlug, deficit
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for stack in recipe.output
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qualifiedSlug = @_modPack.qualifySlug stack.itemSlug
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deficit = @_need.quantityOf qualifiedSlug
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created = recipe.getQuantityProduced stack.itemSlug
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replenished = Math.min deficit, created
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surplus = created - replenished
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@_made.add qualifiedSlug, surplus
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@_need.remove qualifiedSlug, replenished
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_numberSteps: ->
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for step, i in @_steps
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step.number = i + 1
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_pruneEmptySteps: ->
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index = 0
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while index < @_steps.length
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step = @_steps[index]
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if step.multiplier is 0
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@_steps.splice index, 1
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else
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index++
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