55 lines
1.2 KiB
GDScript
55 lines
1.2 KiB
GDScript
extends Resource
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class_name RecipeDB
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export(Array, Resource) var recipes
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func validate():
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for recipe in recipes:
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if recipe == null:
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assert(0)
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return false
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for item_type in recipe.item_type_slots:
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if item_type == null:
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assert(0)
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return false
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return true
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func find_recipe(in_item_types) -> Resource:
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assert(in_item_types.size() != 0)
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var in_items = {}
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for in_item_type in in_item_types:
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if in_items.has(in_item_type):
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in_items[in_item_type] += 1
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else:
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in_items[in_item_type] = 1
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for recipe in recipes:
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assert(recipe != null)
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if recipe.item_type_out == null or recipe.item_type_slots.size() == 0:
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continue
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var items = recipe.item_type_slots
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# build cost map
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var total_cost = {}
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for item_type in items:
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assert(item_type != null)
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if item_type == null:
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continue
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if total_cost.has(item_type):
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total_cost[item_type] += 1
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else:
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total_cost[item_type] = 1
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# check if you can afford the cost
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var cost_met : bool = true
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for item_type in total_cost.keys():
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if not in_items.has(item_type):
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cost_met = false
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break
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if in_items[item_type] < total_cost[item_type]:
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cost_met = false
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break
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if cost_met:
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return recipe.item_type_out
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return null
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