Break 2d stuff into separate namespace

src/play_clj/core.clj

@@ -5,8 +5,7 @@
   (:import [com.badlogic.gdx Application Audio Files Game Gdx Graphics Input
             InputMultiplexer InputProcessor Net Screen]
            [com.badlogic.gdx.graphics Camera Color GL20 OrthographicCamera
-            PerspectiveCamera Texture]
+            PerspectiveCamera]
-           [com.badlogic.gdx.graphics.g2d Animation SpriteBatch TextureRegion]
            [com.badlogic.gdx.input GestureDetector
             GestureDetector$GestureListener]
            [com.badlogic.gdx.maps MapLayer MapLayers]
@@ -20,9 +19,8 @@
             OrthogonalTiledMapRenderer]
            [com.badlogic.gdx.scenes.scene2d Actor Stage]))
 
-(load "core_2d")
 (load "core_global")
-(load "core_render")
+(load "core_graphics")
 
 (defn ^:private reset-if-changed!
   [e-atom e-old e-new]

src/play_clj/core_graphics.clj

@@ -52,19 +52,6 @@
   [object k & options]
   `(u/call! ^TiledMapTileLayer$Cell ~object ~k ~@options))
 
-(defn ^:private refresh-renderer!
-  [{:keys [renderer ui-listeners]} entities]
-  (when (isa? (type renderer) Stage)
-    (doseq [^Actor a (.getActors ^Stage renderer)]
-      (.remove a))
-    (doseq [{:keys [object]} entities]
-      (when (isa? (type object) Actor)
-        (.addActor ^Stage renderer object)
-        (doseq [listener ui-listeners]
-          (.addListener ^Actor object listener))))
-    (remove-input! renderer)
-    (add-input! renderer)))
-
 ; renderers
 
 (defn orthogonal-tiled-map*
@@ -125,6 +112,19 @@
   []
   (Stage.))
 
+(defn ^:private refresh-renderer!
+  [{:keys [renderer ui-listeners]} entities]
+  (when (isa? (type renderer) Stage)
+    (doseq [^Actor a (.getActors ^Stage renderer)]
+      (.remove a))
+    (doseq [{:keys [object]} entities]
+      (when (isa? (type object) Actor)
+        (.addActor ^Stage renderer object)
+        (doseq [listener ui-listeners]
+          (.addListener ^Actor object listener))))
+    (remove-input! renderer)
+    (add-input! renderer)))
+
 (defmacro stage
   [& options]
   `(u/calls! ^Stage (stage*) ~@options))

src/play_clj/g2d.clj

@@ -1,4 +1,9 @@
-(in-ns 'play-clj.core)
+(ns play-clj.g2d
+  (:require [play-clj.utils :as u])
+  (:import [com.badlogic.gdx.graphics Texture]
+           [com.badlogic.gdx.graphics.g2d Animation SpriteBatch TextureRegion]
+           [com.badlogic.gdx.maps.tiled.renderers BatchTiledMapRenderer]
+           [com.badlogic.gdx.scenes.scene2d Actor Stage]))
 
 ; drawing
 

src/play_clj/ui.clj

@@ -1,5 +1,6 @@
 (ns play-clj.ui
-  (:require [play-clj.utils :as u])
+  (:require [play-clj.g2d :as g2d]
+            [play-clj.utils :as u])
   (:import [com.badlogic.gdx Files Gdx]
            [com.badlogic.gdx.graphics Color Texture]
            [com.badlogic.gdx.graphics.g2d BitmapFont TextureRegion]
@@ -14,6 +15,9 @@
             TiledDrawable]
            [com.esotericsoftware.tablelayout Cell]))
 
+; temporary inclusion to prevent breaking the template
+(defonce draw! g2d/draw!)
+
 (defmacro drawable
   [type & options]
   `(~(symbol (str u/main-package ".scenes.scene2d.ui."