Improve input functions

src/play_clj/core.clj

@@ -2,7 +2,7 @@
   (:require [clojure.set :as set]
             [play-clj.utils :as utils])
   (:import [com.badlogic.gdx Application Audio Files Game Gdx Graphics Input
-            InputProcessor Net Screen]
+            InputMultiplexer InputProcessor Net Screen]
            [com.badlogic.gdx.graphics Camera Color GL20 OrthographicCamera
             PerspectiveCamera Texture]
            [com.badlogic.gdx.graphics.g2d Animation BitmapFont SpriteBatch

src/play_clj/core_global.clj

@@ -34,29 +34,56 @@
     :y (.getY ^Input (Gdx/input))
     nil))
 
-(defmacro input-key
+(defmacro get-keycode
   [key]
   `~(symbol
       (str utils/gdx-package ".Input$Keys/" (utils/key->static-field key))))
 
 (defmacro is-pressed?
   [key]
-  `(.isKeyPressed (Gdx/input) (input-key ~key)))
+  `(.isKeyPressed ^Input (Gdx/input) (get-keycode ~key)))
 
 (defn input
   [& {:keys [key-down key-typed key-up mouse-moved
              scrolled touch-down touch-dragged touch-up]
       :or {key-down dummy key-typed dummy key-up dummy mouse-moved dummy
            scrolled dummy touch-down dummy touch-dragged dummy touch-up dummy}}]
-  (reify InputProcessor
-    (keyDown [this keycode] (key-down keycode))
-    (keyTyped [this character] (key-typed character))
-    (keyUp [this keycode] (key-up keycode))
-    (mouseMoved [this screen-x screen-y] (mouse-moved screen-x screen-y))
-    (scrolled [this amount] (scrolled amount))
-    (touchDown [this screen-x screen-y pointer button]
-      (touch-down screen-x screen-y pointer button))
-    (touchDragged [this screen-x screen-y pointer]
-      (touch-dragged screen-x screen-y pointer))
-    (touchUp [this screen-x screen-y pointer button]
-      (touch-up screen-x screen-y pointer button))))
+  (let [return-fn (fn [return-val]
+                    (some #(not (nil? %)) [return-val false]))]
+    (reify InputProcessor
+      (keyDown [this keycode]
+        (return-fn (key-down keycode)))
+      (keyTyped [this character]
+        (return-fn (key-typed character)))
+      (keyUp [this keycode]
+        (return-fn (key-up keycode)))
+      (mouseMoved [this screen-x screen-y]
+        (return-fn (mouse-moved screen-x screen-y)))
+      (scrolled [this amount]
+        (return-fn (scrolled amount)))
+      (touchDown [this screen-x screen-y pointer button]
+        (return-fn (touch-down screen-x screen-y pointer button)))
+      (touchDragged [this screen-x screen-y pointer]
+        (return-fn (touch-dragged screen-x screen-y pointer)))
+      (touchUp [this screen-x screen-y pointer button]
+        (return-fn (touch-up screen-x screen-y pointer button))))))
+
+(defmacro input-multi
+  [& args]
+  `(InputMultiplexer. ~@args))
+
+(defn set-input!
+  [^InputProcessor p]
+  (.setInputProcessor ^Input (Gdx/input) p))
+
+(defn add-input!
+  [^InputProcessor p]
+  (.addProcessor ^InputMultiplexer (.getInputProcessor (Gdx/input)) p))
+
+(defn remove-input!
+  [^InputProcessor p]
+  (.removeProcessor ^InputMultiplexer (.getInputProcessor (Gdx/input)) p))
+
+(defn clear-inputs!
+  []
+  (.clear ^InputMultiplexer (.getInputProcessor (Gdx/input))))

src/play_clj/core_interop.clj

@@ -62,6 +62,10 @@
   [k & options]
   `(utils/call! ^Input (Gdx/input) ~k ~@options))
 
+(defmacro input-multi!
+  [obj k & options]
+  `(utils/call! ^InputMultiplexer ~obj ~k ~@options))
+
 (defmacro net!
   [k & options]
   `(utils/call! ^Net (Gdx/net) ~k ~@options))