Optimize perf. of crafting algo. (55% savings)

2015-02-22 23:19:12 -08:00
parent 0ec909a11e
commit aa42053c6e
2 changed files with 8 additions and 5 deletions
@@ -100,11 +100,14 @@ module.exports = class Recipe extends BaseModel
        return 0

    produces: (itemSlug)->
-        for stack in @output
-            if stack.itemSlug.matches itemSlug
-                return true
+        if not @_produces?
+            @_produces = {}

-        return false
+            for stack in @output
+                @_produces[stack.itemSlug.qualified] = true
+                @_produces[stack.itemSlug.item] = true
+
+        return @_produces[itemSlug.qualified]

    requires: (itemSlug)->
        for stack in @input