Factor out the ReceipeController

src/scripts/models/crafting_grid.coffee

@@ -1,34 +0,0 @@
-###
-Crafting Guide - crafting_grid.coffee
-
-Copyright (c) 2015 by Redwood Labs
-All rights reserved.
-###
-
-BaseModel = require './base_model'
-
-########################################################################################################################
-
-module.exports = class CraftingGrid extends BaseModel
-
-    @SLOT_COUNT = 9
-
-    constructor: (attributes={}, options={})->
-        if not attributes.modPack? then throw new Error 'attributes.modPack is required'
-        attributes.recipe ?= null
-        super attributes, options
-
-        Object.defineProperties this,
-            'slotCount': { get:-> CraftingGrid.SLOT_COUNT }
-
-    # Public Methods ###############################################################################
-
-    getItemDisplayAt: (slot)->
-        if slot >= @slotCount then throw new Error "slot (#{slot}) must be less than #{@slotCount}"
-        return null unless @recipe?
-
-        slug = @recipe.getItemSlugAt slot
-        return null unless slug?
-
-        itemDisplay = @modPack.findItemDisplay slug
-        return itemDisplay

src/scripts/models/crafting_table.coffee

@@ -5,8 +5,8 @@ Copyright (c) 2014-2015 by Redwood Labs
 All rights reserved.
 ###
 
-BaseModel    = require './base_model'
-CraftingGrid = require './crafting_grid'
+BaseModel = require './base_model'
+{Event}   = require '../constants'
 
 ########################################################################################################################
 
@@ -14,63 +14,51 @@ module.exports = class CraftingTable extends BaseModel
 
     constructor: (attributes={}, options={})->
         if not attributes.plan? then throw new Error "attributes.plan is required"
-        attributes.grid ?= new CraftingGrid modPack:attributes.plan.modPack
-        attributes.modPack ?= attributes.plan.modPack
         super attributes, options
 
         @plan.on 'change', => @reset()
-        @_step = 0
+        @_stepIndex = 0
 
         Object.defineProperties this, {
-            hasNextStep: { get:@hasNextStep           }
-            hasPrevStep: { get:@hasPrevStep           }
-            hasSteps:    { get:@hasSteps              }
-            multiplier:  { get:@getMultiplier         }
-            output:      { get:@getOutput             }
-            step:        { get:@getStep, set:@setStep }
-            stepCount:   { get:@getStepCount          }
-            toolNames:   { get:@getToolNames          }
+            currentStep: { get:@getCurrentStep                  }
+            hasNextStep: { get:@hasNextStep                     }
+            hasPrevStep: { get:@hasPrevStep                     }
+            hasSteps:    { get:@hasSteps                        }
+            stepCount:   { get:@getStepCount                    }
+            stepIndex:   { get:@getStepIndex, set:@setStepIndex }
         }
 
     # Public Methods ###############################################################################
 
     reset: ->
-        @step = 0
+        @stepIndex = 0
         return this
 
     # Property Methods #############################################################################
 
     hasNextStep: ->
-        return @_step + 1 < @plan.steps.length
+        return @_stepIndex + 1 < @plan.steps.length
 
     hasPrevStep: ->
-        return @_step > 0
+        return @_stepIndex > 0
 
     hasSteps: ->
         return @plan.steps.length > 0
 
-    getMultiplier: ->
-        step = @plan.steps[@_step]
-        return unless step?
-        return step.multiplier
+    getCurrentStep: ->
+        return @plan.steps[@_stepIndex]
 
-    getOutput: ->
-        step = @plan.steps[@_step]
-        return unless step?
-        return step.recipe.output[0]
+    getStepIndex: ->
+        return @_stepIndex
 
-    getStep: ->
-        return @_step
+    setStepIndex: (newStepIndex)->
+        oldStepIndex = @_stepIndex
+        newStepIndex = Math.max 0, Math.min @plan.steps.length - 1, newStepIndex
 
-    setStep: (newStep)->
-        oldStep = @_step
-        newStep = Math.max 0, Math.min @plan.steps.length - 1, newStep
+        @_stepIndex = newStepIndex
 
-        @_step = newStep
-        @grid.recipe = @plan.steps[@_step]?.recipe
-
-        @trigger 'change:step', this, oldStep, newStep
-        @trigger 'change', this
+        @trigger Event.change + ':stepIndex', this, oldStepIndex, newStepIndex
+        @trigger Event.change, this
 
         return this
 
@@ -78,14 +66,7 @@ module.exports = class CraftingTable extends BaseModel
         return 0 unless @plan.steps?
         return @plan.steps.length
 
-    getToolNames: ->
-        recipe = @plan.steps[@_step]?.recipe
-        return '' unless recipe?
-        toolSlugs = (stack.slug for stack in recipe.tools)
-        toolNames = (@modPack.findName(slug) for slug in toolSlugs).join ', '
-        return toolNames
-
     # Object Overrides #############################################################################
 
     toString: ->
-        return "#{@constructor.name} (#{@cid}) { plan:#{@plan}, step:#{@_step} }"
+        return "#{@constructor.name} (#{@cid}) { plan:#{@plan}, step:#{@_stepIndex} }"