Forked from robert-stuttaford/magic-the-gathering-card-spec.clj
Created
July 13, 2018 15:25
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Noodling around with core.spec, modelling M:tG card data
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(ns magic-the-gathering-card-spec | |
(:require [clojure.spec :as s] | |
[clojure.spec.gen :as gen])) | |
(s/def ::pos-int (s/and int? (complement neg?))) | |
(s/def ::set string?) | |
(s/def ::set-number ::pos-int) | |
(s/def ::artist string?) | |
(s/def ::metadata (s/keys :req-un [::set ::set-number ::artist])) | |
(s/def ::name string?) | |
(s/def ::type #{:land :creature :artifact :enchantment :sorcery :instant :planeswalker}) | |
(s/def ::types (s/and set? (s/+ ::type))) | |
(s/def ::sub-type ::type) | |
(s/def ::rules string?) | |
(s/def ::legendary? boolean?) | |
(s/def ::world? boolean?) | |
(s/def ::base-card (s/keys :req-un [::name ::types ::metadata ::rules] | |
:opt-un [::sub-type ::legendary? ::world?])) | |
(s/def ::amount ::pos-int) | |
(s/def ::color #{:white :blue :black :red :green}) | |
(s/def ::mana (s/keys :req-un [::amount] | |
:opt-un [::color])) | |
(s/def ::manas (s/+ ::mana)) | |
(s/def ::cost (s/* ::manas)) | |
(s/def ::spell (s/and ::base-card (s/keys :req-un [::cost]))) | |
(s/def ::power int?) | |
(s/def ::toughness int?) | |
(s/def ::creature (s/and ::spell (s/keys :req-un [::power ::toughness]))) | |
(s/def ::loyalty int?) | |
(s/def ::planeswalker (s/and ::spell (s/keys :req-un [::loyalty]))) | |
(defmulti card-spec ::types) | |
(defmethod card-spec #{:land} [_] ::base-card) | |
(defmethod card-spec #{:creature} [_] ::creature) | |
(defmethod card-spec #{:artifact} [_] ::spell) | |
(defmethod card-spec #{:enchantment} [_] ::spell) | |
(defmethod card-spec #{:sorcery} [_] ::spell) | |
(defmethod card-spec #{:instant} [_] ::spell) | |
(defmethod card-spec #{:planeswalker} [_] ::planeswalker) | |
(defmethod card-spec #{:artifact :creature} [_] ::creature) | |
(defmethod card-spec #{:enchantment :creature} [_] ::creature) | |
(defmethod card-spec #{:artifact :enchantment} [_] ::spell) | |
(s/def ::card (s/multi-spec card-spec ::types)) ;; doesn't work yet, because generating `s/and` requires extra effort |
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