226 lines
10 KiB
Clojure
226 lines
10 KiB
Clojure
(ns advent.core
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(:require [play-clj.core :refer :all]
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[play-clj.ui :refer :all]
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[play-clj.utils :refer :all]
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[play-clj.g2d :refer :all]
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[clojure.pprint]
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[advent.pathfind])
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(:import [com.badlogic.gdx.graphics Pixmap Pixmap$Filter Texture Texture$TextureFilter]
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[com.badlogic.gdx.graphics.g2d TextureRegion] ))
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(def scale 2)
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(def +screen-width+ 320)
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(def +screen-height+ 240)
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(def +num-cursors+ 4)
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(def +next-cursor+ (into {} (map vector (range +num-cursors+) (drop 1 (cycle (range +num-cursors+))))))
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(defn +next-cursor+ [x]
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(first (drop 1 (drop-while #(not= x %) (cycle (range +num-cursors+))))))
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(defn cursor [filename index]
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(let [base-cursor (pixmap filename)
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target-width (* 16 scale)
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target-height (* 16 scale)
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resized (Pixmap. target-width target-height (.getFormat base-cursor))]
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(Pixmap/setFilter Pixmap$Filter/NearestNeighbour)
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(pixmap! resized :draw-pixmap base-cursor (* index 16) 0 16 16
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0 0 target-width target-height)
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resized ))
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(defn right-click [screen entities]
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(let [entities (update-in entities [:cursor] #(assoc % :cursor-index (+next-cursor+ (:cursor-index %))))]
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(input! :set-cursor-image (cursor "cursor.png" (get-in entities [:cursor :cursor-index])) 0 0)
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entities))
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(defn move-to [screen entities entity [x y]]
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(let [scale-fn (-> entities :background :scale-fn)
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entity (assoc entity :x x
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:y y
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:baseline (- 240 y))]
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(if (:scaled entity)
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(assoc entity :scale-x (scale-fn y) :scale-y (scale-fn y))
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entity)))
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(defn walk-to-fn [[target-x target-y] target-id]
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(fn [screen entities]
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(let [{from-x :x from-y :y :keys [left right anim] :as target-entity} (entities target-id)]
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(let [delta-x (- target-x from-x)
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delta-y (- target-y from-y)
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mag (Math/sqrt (+ (* delta-x delta-x) (* delta-y delta-y)))
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moved-x (* 1.5 (/ delta-x mag))
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moved-y (* 1.5 (/ delta-y mag))]
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(if (< mag 1)
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(assoc entities target-id (assoc target-entity :actions (rest (:actions target-entity)) :anim nil))
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(assoc entities target-id
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(assoc (move-to screen entities target-entity [(+ moved-x from-x) (+ moved-y from-y)])
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:anim (if (< moved-x 0) left right))))))))
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(defn stop-fn [target-id]
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(fn [screen entities]
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(let [target (target-id entities)]
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(assoc-in entities [target-id] (merge target
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{:anim nil
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:actions (rest (:actions target))}
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(when (:anim target)
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(texture (animation! (:anim target) :get-key-frame 0.25))))))))
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(defn path-to-actions [screen entities target-id [x y]]
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(let [entity (target-id entities)
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path (vec (take-nth 2 (advent.pathfind/visit-all
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(:collision (:background entities))
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[(int (:x entity)) (int (:y entity))]
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[(int x) (int y)])))
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actions (when (seq path)
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(conj
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(vec (map #(walk-to-fn % target-id) (conj path [x y])))
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(stop-fn target-id)))]
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actions))
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(defn walk-click [screen entities [x y]]
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(assoc-in entities [:ego :actions] (path-to-actions screen entities :ego [x y])))
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(defn walk-override-click [screen entities [x y]]
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(let [target-location (->> (get-in entities [:background :mouse-overrides])
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(filter #((:mouse-in? %) x y))
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first
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:go-to)]
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(assoc-in entities [:ego :actions] (path-to-actions screen entities :ego target-location))))
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(defn left-click [screen entities]
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(let [{:keys [x y]} (input->screen screen {:x (:input-x screen) :y (:input-y screen)})
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interaction (first (filter #((:mouse-in? %) x y) (get-in entities [:background :interactions])))]
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(cond (get-in entities [:cursor :override]) (walk-override-click screen entities [x y])
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interaction ((:click-fn interaction) screen entities [x y])
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:else (walk-click screen entities [x y]))))
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(defn get-ego [screen]
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(let [player-sheet (texture! (texture "player.png") :split 18 36)
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ego {:right (animation 0.075 (for [i (range 8)]
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(texture (aget player-sheet 0 i))))
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:left (animation 0.075 (for [i (range 8)]
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(texture (aget player-sheet 1 i))))
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:baseline 95
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:origin-x 9
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:origin-y 0
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:scaled true
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:actions []
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:x 150 :y 95
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:id "ego"}]
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(merge (texture (animation! (:right ego) :get-key-frame 0.25)) ego)))
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(defn update-ego [screen entities ego]
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(if-let [action (first (:actions ego))]
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(action screen entities)
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entities))
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(defn scaler-fn-with-baseline [baseline minimum-size & [maximum-size]]
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(let [maximum-size (or maximum-size 1.0)]
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(fn [y]
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(if (< y baseline) maximum-size
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(let [percent-complete (- 1.0 (/ (- y baseline) (- +screen-height+ baseline)))
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range (+ (* percent-complete (- maximum-size minimum-size)) minimum-size)]
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range)))))
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(defn box-maker-fn [x1 y1 x2 y2]
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(fn [x y]
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(and
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(< x1 x x2)
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(< y1 y y2))))
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(defscreen main-screen
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:on-show
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(fn [screen entities]
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(update! screen :renderer (stage) :camera (orthographic))
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(let [
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_ (input! :set-cursor-image (cursor "cursor.png" 0) 0 0)
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background (texture "bg5.png")
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background-trees (texture "background-trees.png")
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house (texture "house.png")
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overdirt (texture "overdirt.png")
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music (sound "outside-house.mp3")
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;; _ (sound! music :loop)
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]
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{
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:cursor {:id "cursor" :cursor-index 0 }
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:background (assoc background
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:id "background" :x 0 :y 0
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:collision (advent.pathfind/map-from-resource "pathfind-test-big.png")
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:baseline 0
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:mouse-overrides [{:mouse-in? (box-maker-fn 290 131 320 224)
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:cursor-override 4
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:go-to [319 160]}
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{:mouse-in? (box-maker-fn 60 180 224 240)
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:cursor-override 7
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:go-to [137 204]}
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{:mouse-in? (box-maker-fn 0 40 30 140)
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:cursor-override 6
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:go-to [0 80]}]
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:interactions [{:mouse-in? (box-maker-fn 258 100 281 160)
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:click-fn (fn [screen entities [x y]]
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(assoc-in entities [:ego :actions] (concat (path-to-actions screen entities :ego [262 80])
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[(fn [screen entities]
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(let [font (bitmap-font "mainfont.fnt" )
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tr (bitmap-font! font :get-region)
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tx (.getTexture tr)
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_ (texture! tx :set-filter Texture$TextureFilter/Linear Texture$TextureFilter/Linear)
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talk (assoc (label "Knock knock. Anyone home?" (style :label font (color :white)) ) :x 5 :y 100 :baseline 9000)]
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(label! talk :set-font-scale 0.25)
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(-> entities
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(assoc :talking talk)
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(update-in [:ego :actions] rest))))])))}]
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:scale-fn (scaler-fn-with-baseline 110 0.10 1.00))
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:house (assoc house
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:x 0 :y 0
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:baseline 122)
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:overdirt (assoc overdirt
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:x 0 :y 0
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:baseline 240)
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:background-trees (assoc background-trees
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:x 0 :y 0
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:baseline 44)
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:ego (get-ego screen)
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:fps (assoc (label "0" (color :white) ) :x 5 :baseline 9000)
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}))
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:on-render
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(fn [screen [entities]]
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(clear!)
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(let [entities (update-ego screen entities (:ego entities))
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_ (label! (:fps entities) :set-text (str (game :fps)))
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entities (if (get-in entities [:ego :anim])
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(update-in entities [:ego] #(merge % (animation->texture screen (:anim %))))
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entities)]
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(render! screen (sort-by :baseline (vals entities)))
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entities))
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:on-resize (fn [screen entities]
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(size! screen 320 240))
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:on-mouse-moved
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(fn [screen [entities]]
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(let [{:keys [x y]} (input->screen screen {:x (:input-x screen) :y (:input-y screen)})]
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(if-let [mouse-override (first (filter #((:mouse-in? %) x y) (get-in entities [:background :mouse-overrides])))]
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(when (not (get-in entities [:cursor :override]))
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(do (input! :set-cursor-image (cursor "cursor.png" (:cursor-override mouse-override)) 0 0)
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(assoc-in entities [:cursor :override] true)))
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(when (get-in entities [:cursor :override])
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(do (input! :set-cursor-image (cursor "cursor.png" (get-in entities [:cursor :cursor-index])) 0 0)
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(assoc-in entities [:cursor :override] false))))))
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:on-touch-down (fn [screen [entities]]
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(if (= (button-code :right) (:button screen))
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(right-click screen entities)
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(left-click screen entities))))
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(defgame advent
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:on-create
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(fn [this]
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(set-screen! this main-screen)))
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