Make set-screen an entity

common/src/play_clj/core.clj

@@ -14,6 +14,9 @@
 
 (defmulti execute-entity :command :default :draw)
 
+(defmethod execute-entity :set-screen [{:keys [^Game game ^Screen screen]}]
+  (.setScreen game screen))
+
 (load "core_2d")
 (load "core_global")
 (load "core_render")
@@ -31,7 +34,7 @@
 (defn execute-entities
   [screen entities]
   (->> entities
-       (map #(assoc % :screen screen))
+       (map #(assoc % :screen-map screen))
        (map execute-entity)
        (remove #(not (:persistent? %)))
        doall))
@@ -76,14 +79,13 @@
   [name & {:keys [] :as options}]
   `(def ~name (defscreen* ~options)))
 
-(defn set-screen!
-  [^Game game ^Screen screen]
-  (.setScreen game screen))
-
 (defn defgame*
-  [{:keys [start-screen]}]
+  [{:keys [on-create]}]
   (proxy [Game] []
-    (create [] (when start-screen (set-screen! this start-screen)))))
+    (create []
+      (->> (on-create this)
+           transform-entities
+           (execute-entities nil)))))
 
 (defmacro defgame
   [name & {:keys [] :as options}]

common/src/play_clj/core_2d.clj

@@ -10,8 +10,8 @@
 (defmethod sprite-batch BatchTiledMapRenderer [screen]
   (.getSpriteBatch (:renderer screen)))
 
-(defmethod execute-entity :draw [{:keys [screen image x y width height] :as entity}]
-  (let [batch (sprite-batch screen)]
+(defmethod execute-entity :draw [{:keys [screen-map image x y width height] :as entity}]
+  (let [batch (sprite-batch screen-map)]
     (.begin batch)
     (when (and image x y width height)
       (.draw batch image (float x) (float y) (float width) (float height)))

common/src/play_clj/core_render.clj

@@ -12,9 +12,9 @@
   (assert (number? tile-size))
   (float (/ 1 tile-size)))
 
-(defmethod execute-entity :render-tiled-map [{:keys [screen] :as entity}]
-  (doto (:renderer screen)
-    (.setView (:camera screen))
+(defmethod execute-entity :render-tiled-map [{:keys [screen-map] :as entity}]
+  (doto (:renderer screen-map)
+    (.setView (:camera screen-map))
     .render)
   entity)