Create and provide a timeline of user input events (keyboard / mouse)
Make the container accessible from the game object after initialization (mostly for debugging) Implement some test code (moving a sprite around)
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dcc5d430e3
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@ -8,10 +8,28 @@
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(slick/start-game "Test game"
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{:state :game
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:gs (gs/with-gs gs/gs-empty
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(gs/add-index :name)
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(gs/add-index :type)
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(gs/set-entity (gs/gen-id) {:type :sprite :x 50 :y 50 :image "res/man.png"}))}))
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(gs/set-entity (gs/gen-id) {:type :sprite :x 50 :y 50
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:image "res/man.png" :name :man}))}))
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(defmethod slick/update-game :game [state input delta]
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(let [gsnew
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(gs/with-gs (:gs state)
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(let [idman (first (gs/q :name :man))
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man (gs/entity idman)]
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(loop [timeline (slick/input-timeline input)]
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(let [[ts events] (first timeline)
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timelinenext (next timeline)]
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(doseq [{:keys [type action x y]} events]
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(if (and (= type :mouse) (= action :move))
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(gs/set-entity idman (assoc man :x x :y y))))
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(if timelinenext
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(recur timelinenext)
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(slick/input-clear input ts)))))
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(gs/get-gs))]
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(assoc state :gs gsnew)))
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(defmethod slick/update-game :game [state delta])
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(defmethod slick/render-game :game [state graphics]
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(gs/with-gs (:gs state)
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(doseq [sprite (for [spriteid (gs/q :type :sprite)] (gs/entity spriteid))]
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@ -20,9 +38,9 @@
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(def ^:dynamic g nil)
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(def ^:dynamic s nil)
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(def ^:dynamic _container nil)
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(defmethod slick/eval-with-bindings :game [state game container f]
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(binding [g game s state _container container]
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(defmethod slick/eval-with-bindings :default [state game f]
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(binding [g game s state]
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(let [gsnew (gs/with-gs (:gs state) (f) (gs/get-gs))]
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(slick/game-setstate game (assoc state :gs gsnew)))))
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@ -1,12 +1,114 @@
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(ns hottub.slick
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(:import [org.newdawn.slick AppGameContainer])
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(:import [org.newdawn.slick AppGameContainer
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ControlledInputReciever
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KeyListener
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MouseListener
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Input])
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(:use ns-tracker.core
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[hottub.util :as u]
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[hottub.repl :as repl]
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[hottub.resource :as res]))
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[hottub.resource :as res]
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[hottub.timeline :as tln]))
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(defmulti update-game (fn [state delta] (:state state)))
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(defmulti update-game (fn [state input delta] (:state state)))
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(defmulti render-game (fn [state graphics] (:state state)))
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(defmulti eval-with-bindings (fn [state game container f] (:state state)))
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(defmulti eval-with-bindings (fn [state game f] (:state state)))
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(def slick-key-to-key
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{Input/KEY_0 :0
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Input/KEY_1 :1
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Input/KEY_2 :2
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Input/KEY_3 :3
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Input/KEY_4 :4
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Input/KEY_5 :5
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Input/KEY_6 :6
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Input/KEY_7 :7
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Input/KEY_8 :8
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Input/KEY_9 :9
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Input/KEY_A :a
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Input/KEY_B :b
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Input/KEY_C :c
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Input/KEY_D :d
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Input/KEY_E :e
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Input/KEY_F :f
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Input/KEY_G :g
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Input/KEY_H :h
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Input/KEY_I :i
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Input/KEY_J :j
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Input/KEY_K :k
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Input/KEY_L :l
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Input/KEY_M :m
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Input/KEY_N :n
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Input/KEY_O :o
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Input/KEY_P :p
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Input/KEY_Q :q
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Input/KEY_R :r
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Input/KEY_S :s
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Input/KEY_T :t
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Input/KEY_U :u
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Input/KEY_V :v
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Input/KEY_W :w
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Input/KEY_X :x
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Input/KEY_Y :y
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Input/KEY_Z :z
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Input/KEY_UP :up
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Input/KEY_DOWN :down
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Input/KEY_LEFT :left
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Input/KEY_RIGHT :right })
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(def slick-mouse-to-mouse
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{Input/MOUSE_LEFT_BUTTON :left
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Input/MOUSE_MIDDLE_BUTTON :middle
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Input/MOUSE_RIGHT_BUTTON :right})
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; input
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(defprotocol InputTimeline
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(input-timeline [this])
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(input-clear [this tsfirst]))
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(defn- add-event [atln event]
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(swap! atln tln/timeline-insert (u/timestamp) event))
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(defn- add-key-event [atln skey action]
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(if-let [key (get slick-key-to-key skey)]
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(add-event atln {:type :key :action action :key key})))
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(defn- add-mousebutton-event [atln sbutton action x y]
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(if-let [button (get slick-mouse-to-mouse sbutton)]
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(add-event atln {:type :mouse :action action :button button :x x :y y})))
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(defn input-create []
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(let [atln (atom (timeline-create))]
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(reify
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InputTimeline
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(input-timeline [this] @atln)
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(input-clear [this tsafter] (swap! atln timeline-after tsafter))
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ControlledInputReciever
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(inputEnded [this])
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(inputStarted [this])
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(isAcceptingInput [this] true)
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(setInput [this input])
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KeyListener
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(keyPressed [this skey c] (add-key-event atln skey :pressed))
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(keyReleased [this skey c] (add-key-event atln skey :released))
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MouseListener
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(mouseClicked [this sbutton x y count]
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(add-mousebutton-event atln sbutton (if (= count 2) :double-click :click) x y))
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(mouseDragged [this oldx oldy newx newy])
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(mouseMoved [this oldx oldy newx newy] (add-event atln {:type :mouse
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:action :move
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:x newx
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:y newy
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:dx (- oldx newx)
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:dy (- oldy newy)}))
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(mousePressed [this sbutton x y] (add-mousebutton-event atln sbutton :down x y))
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(mouseReleased [this sbutton x y] (add-mousebutton-event atln sbutton :up x y))
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(mouseWheelMoved [this dy] (add-event atln {:type :mouse :action :wheel :distance dy})))))
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(def modified-namespaces (ns-tracker ["src" "test"]))
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@ -16,19 +118,38 @@
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:init create
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:constructors {[String clojure.lang.PersistentArrayMap] [String]}
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:state state
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:extends org.newdawn.slick.BasicGame)
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:extends org.newdawn.slick.BasicGame
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:implements [hottub.slick.InputTimeline])
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(defn game-create [title state]
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[[title]
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{:state (ref state)
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:repl (repl/repl-create 9999)}])
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:repl (repl/repl-create 9999)
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:container (atom nil)
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:input (input-create)}])
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(defn game-state-ref [this] (:state (.state this)))
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(defn game-container [this] @(:container (.state this)))
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(defn game-install-input [this]
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(let [input (:input (.state this))
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sinput (.getInput (game-container this))]
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(.addKeyListener sinput input)
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(.addMouseListener sinput input)
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input))
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(defn game-uninstall-input [this]
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(let [input (:input (.state this))
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sinput (.getInput (game-container this))]
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(.removeKeyListener sinput input)
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(.removeMouseListener sinput input)))
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(defn game-init [this container]
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(reset! (:container (.state this)) container)
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(game-install-input this)
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(repl/repl-start
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(:repl (.state this))
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(fn [f] (eval-with-bindings @(game-state-ref this) this container f))))
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(fn [f] (eval-with-bindings @(game-state-ref this) this f))))
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(defn game-update [this container delta]
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(doseq [ns-sym (modified-namespaces)]
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@ -38,9 +159,9 @@
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(repl/repl-update (:repl (.state this)))
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(dosync
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(try
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(if-let [statenew (update-game @(game-state-ref this) delta)]
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(if-let [statenew (update-game @(game-state-ref this) (:input (.state this)) delta)]
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(ref-set (game-state-ref this) statenew))
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(catch Exception e (prn "Couldn't update" (:state @(game-state-ref this)) (.getMessage e))))))
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(catch Exception e (println "Couldn't update" (:state @(game-state-ref this)) (.getMessage e))))))
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(defn game-render [this container graphics]
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(try
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@ -51,9 +172,15 @@
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(defn game-setstate [this statenew]
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(dosync (ref-set (game-state-ref this) statenew)))
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(defmethod update-game :default [state delta])
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(defn game-input_timeline [this]
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(input-timeline (:input (.state this))))
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(defn game-input_clear [this tsafter]
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(input-clear (:input (.state this)) tsafter))
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(defmethod update-game :default [state input delta])
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(defmethod render-game :default [state graphics])
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(defmethod eval-with-bindings :default [state game container f] (f))
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(defmethod eval-with-bindings :default [state game f] (f))
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(defn start-game [title startstate]
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(let [game (hottub.slick.Game. title startstate)
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@ -5,3 +5,6 @@
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(if (compare-and-set! a oldval newval)
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oldval
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(recur @a))))
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(defn timestamp []
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(/ (System/nanoTime) 1000000))
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