97 lines
3.6 KiB
Clojure
97 lines
3.6 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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(:import [com.badlogic.gdx.graphics Pixmap Pixmap$Filter]))
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(def scale 4)
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(def +screen-width+ 320)
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(def +screen-height+ 240)
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(def +num-cursors+ 4)
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(def +next-cursor+ (into {} (map vector (range +num-cursors+) (drop 1 (cycle (range +num-cursors+))))))
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(defn +next-cursor+ [x]
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(first (drop 1 (drop-while #(not= x %) (cycle (range +num-cursors+))))))
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(defn cursor [filename index]
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(let [base-cursor (pixmap filename)
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target-width (* 16 scale)
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target-height (* 16 scale)
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resized (Pixmap. target-width target-height (.getFormat base-cursor))]
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(Pixmap/setFilter Pixmap$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 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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(assoc-in entities [:ego :target] {:x x :y 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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:anim (animation 0.075 (for [i (range 8)]
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(texture (aget player-sheet 0 i))))
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:x 100 :y 75 :x-velocity 1
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:id "ego"}]
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(merge (animation->texture screen (:anim ego)) ego)))
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(defn update-ego [screen entities ego]
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(let [ego (merge ego (animation->texture screen (:anim ego)))
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target (:target ego)]
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(if target
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(let [delta-x (- (:x target) (:x ego))
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delta-y (- (:y target) (:y ego))
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mag (Math/sqrt (+ (* delta-x delta-x) (* delta-y delta-y)))
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vector-x (* 2 (/ delta-x mag))
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vector-y (* 2 (/ delta-y mag))]
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(if (< mag 1)
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(dissoc ego :target)
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(-> ego
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(update-in [:x] #(+ % vector-x))
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(update-in [:y] #(+ % vector-y)))))
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ego)))
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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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{:cursor {:id "cursor" :cursor-index 0}
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:background (assoc background :origin-y 0 :origin-x 0 :id "background" :x 0 :y 0 :scale-x 1 :scale-y 1)
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:ego (get-ego screen)}))
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:on-render
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(fn [screen [entities]]
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(clear!)
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(let [entities (assoc entities :ego (update-ego screen entities (:ego entities)))]
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(render! screen (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-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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#_(input! :set-cursor-catched true)))
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