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https://github.com/Steffo99/hella-farm.git
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82 lines
2.1 KiB
GDScript
82 lines
2.1 KiB
GDScript
@icon("res://behaviours/summoning_recipe.svg")
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extends Node
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class_name SummoningRecipe
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## A [Node] describing a possible ingredients that can be performed with the [SummoningCircle].
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## Emitted when [method do_match] is called, and the [field ingredients] is successfully matched.
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signal matched(match: Match)
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## How [Sacrificable]s should be matched.
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@export var mode := Mode.NONE
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## Which [Sacrificable]s should be matched.
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@export var ingredients: Array[StringName] = []
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func get_match(inputs: Array[Node2D]) -> Match:
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var matched_ingredients: Array[Sacrificable] = []
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# Find the ingredients
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for ingredient in ingredients:
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var matched_this = false
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for input in inputs:
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if input == null:
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continue
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for _sacrificable in input.find_children("*", "Sacrificable", true, false):
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var sacrificable: Sacrificable = _sacrificable as Sacrificable
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if sacrificable in matched_ingredients:
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continue
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if sacrificable.kind == ingredient:
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matched_ingredients.push_back(sacrificable)
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matched_this = true
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break
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if matched_this:
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break
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if not matched_this:
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matched_ingredients.push_back(null)
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# Use one of the various modes
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match mode:
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Mode.NONE:
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return null
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Mode.ANY:
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if matched_ingredients.any(func(value): return value != null):
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return Match.create(matched_ingredients)
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else:
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return null
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Mode.ALL:
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if matched_ingredients.all(func(value): return value != null):
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return Match.create(matched_ingredients)
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else:
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return null
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_:
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# Static analysis go home you're drunk
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return null
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func do_match(inputs: Array[Node2D]) -> Match:
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var m = get_match(inputs)
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if m != null:
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matched.emit(m)
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return m
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class Match:
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var sacrificables: Array[Sacrificable]
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static func create(s: Array[Sacrificable]) -> Match:
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var this = Match.new()
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this.sacrificables = s
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return this
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enum Mode {
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## Never match the ingredients.
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NONE = 0,
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## Match the ingredients if a single one of the sacrificables is matched.
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ANY = 1,
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## Match the ingredients if all the sacrificables are matched, even if more are present.
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ALL = 2,
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}
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