From 0a864950cde6b1c7e9d6e1f1f291d75b30123343 Mon Sep 17 00:00:00 2001
From: falsycat <me@falsy.cat>
Date: Tue, 8 Oct 2019 00:00:00 +0000
Subject: [PATCH] [update] Allowed ElementScheduledController not to require
 Initialize() method.

---
 sjplayer/src/sjplayer/Background.d                       | 4 +---
 sjplayer/src/sjplayer/CircleElementScheduledController.d | 1 +
 sjplayer/src/sjplayer/ElementScheduledController.d       | 7 ++++++-
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/sjplayer/src/sjplayer/Background.d b/sjplayer/src/sjplayer/Background.d
index b2fcd74..0d77129 100644
--- a/sjplayer/src/sjplayer/Background.d
+++ b/sjplayer/src/sjplayer/Background.d
@@ -9,13 +9,11 @@ class Background {
   ///
   this(BackgroundProgram program) {
     program_ = program;
-  }
 
-  ///
-  void Initialize() {
     inner_color = vec4(0, 0, 0, 0);
     outer_color = vec4(0, 0, 0, 0);
   }
+
   ///
   void Draw() {
     program_.Draw(inner_color, outer_color);
diff --git a/sjplayer/src/sjplayer/CircleElementScheduledController.d b/sjplayer/src/sjplayer/CircleElementScheduledController.d
index 2a485e0..3bda07b 100644
--- a/sjplayer/src/sjplayer/CircleElementScheduledController.d
+++ b/sjplayer/src/sjplayer/CircleElementScheduledController.d
@@ -22,6 +22,7 @@ alias CircleElementScheduledController = ElementScheduledController!(
   );
 static assert(CircleElementScheduledController.AliveManagementAvailable);
 static assert(CircleElementScheduledController.MatrixModificationAvailable);
+static assert(CircleElementScheduledController.AutoInitializationAvailable);
 
 ///
 alias CircleElementScheduledControllerFactory =
diff --git a/sjplayer/src/sjplayer/ElementScheduledController.d b/sjplayer/src/sjplayer/ElementScheduledController.d
index dcfbc3b..ada4add 100644
--- a/sjplayer/src/sjplayer/ElementScheduledController.d
+++ b/sjplayer/src/sjplayer/ElementScheduledController.d
@@ -35,6 +35,9 @@ class ElementScheduledController(
   enum MatrixModificationAvailable =
     is(typeof((Element e) => e.matrix)) &&
     is(ReturnType!((Element e) => e.matrix) == mat3);
+  ///
+  enum AutoInitializationAvailable =
+    is(typeof((Element e) => e.Initialize()));
 
   ///
   this(
@@ -47,7 +50,9 @@ class ElementScheduledController(
 
  protected:
   override void PrepareOperation(ref in ParametersBlock params) {
-    element_.Initialize();
+    static if (AutoInitializationAvailable) {
+      element_.Initialize();
+    }
     static if (AliveManagementAvailable) {
       element_.alive = true;
     }