Merge pull request #7 from TheDudeFromCI/quality-of-life-tweaks

Quality of life tweaks

Author: TheDudeFromCI

src/main/java/net/whg/we/main/CullGameObjectsAction.java renamed to src/main/java/net/whg/we/main/CullGameObjectsPipeline.java

@@ -3,7 +3,7 @@
 import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
 
-public class CullGameObjectsAction implements IPipelineAction
+public class CullGameObjectsPipeline implements IPipelineAction
 {
     private final List<GameObject> gameObjects = new CopyOnWriteArrayList<>();
 
@@ -30,6 +30,6 @@ public void disableGameObject(GameObject gameObject)
     @Override
     public int getPriority()
     {
-        return 40000;
+        return PipelineConstants.DISPOSE_GAMEOBJECTS;
     }
 }

src/main/java/net/whg/we/main/GameObject.java

@@ -4,7 +4,6 @@
 import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.CopyOnWriteArrayList;
-import java.util.stream.Collectors;
 import net.whg.we.util.IDisposable;
 
 /**
@@ -129,11 +128,12 @@ public void removeBehavior(AbstractBehavior behavior)
      * @return The behavior with the given superclass, or null if no matching
      *     behavior is found.
      */
-    public AbstractBehavior getBehavior(Class<? extends AbstractBehavior> behaviorType)
+    @SuppressWarnings("unchecked")
+    public <T> T getBehavior(Class<? extends T> behaviorType)
     {
         for (AbstractBehavior behavior : behaviors)
             if (behaviorType.isAssignableFrom(behavior.getClass()))
-                return behavior;
+                return (T) behavior;
 
         return null;
     }
@@ -156,11 +156,16 @@ public List<AbstractBehavior> getBehaviors()
      *     - The type of behaviors to get.
      * @return A list of behaviors with the given superclass.
      */
-    public List<AbstractBehavior> getBehaviors(Class<? extends AbstractBehavior> behaviorType)
+    @SuppressWarnings("unchecked")
+    public <T> List<T> getBehaviors(Class<? extends T> behaviorType)
     {
-        return behaviors.stream()
-                        .filter(behavior -> behaviorType.isAssignableFrom(behavior.getClass()))
-                        .collect(Collectors.toList());
+        List<T> list = new ArrayList<>();
+
+        for (AbstractBehavior behavior : behaviors)
+            if (behaviorType.isAssignableFrom(behavior.getClass()))
+                list.add((T) behavior);
+
+        return list;
     }
 
     /**

src/main/java/net/whg/we/main/IPipelineAction.java

@@ -11,18 +11,7 @@
  * <p>
  * Pipeline actions should also override the default priority level for loop
  * actions to ensure pipeline actions occur in the desired order. Default
- * priorities are:
- * <ul>
- * <li><i>Calculate Time Stamps</i> at <strong>-1000000</strong></li>
- * <li><i>Physics Updates</i> at <strong>-10000</strong></li>
- * <li><i>Updates</i> at <strong>0</strong></li>
- * <li><i>Animation Updates</i> at <strong>10000</strong></li>
- * <li><i>Late Updates</i> at <strong>20000</strong></li>
- * <li><i>Rendering Solids</i> at <strong>30000</strong></li>
- * <li><i>Rendering Transparents</i> at <strong>32500</strong></li>
- * <li><i>Dispose GameObjects</i> at <strong>40000</strong></li>
- * <li><i>End Frame</i> at <strong>1000000</strong></li>
- * </ul>
+ * priorities are defined in the {@link PipelineConstants}.
  */
 public interface IPipelineAction extends ILoopAction
 {

src/main/java/net/whg/we/main/IUpdateable.java

@@ -9,6 +9,10 @@ public interface IUpdateable
 {
     /**
      * Called once each frame to update this object.
+     * 
+     * @param timer
+     *     - The timer associated with the update pipeline. Used to retrieve delta
+     *     times.
      */
-    void update();
+    void update(Timer timer);
 }

src/main/java/net/whg/we/main/Input.java

@@ -0,0 +1,57 @@
+package net.whg.we.main;
+
+import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;
+
+/**
+ * The physics pipeline action is an action in charge of triggering physics
+ * updates each frame based on the physics framerate.
+ */
+public class PhysicsPipeline implements IPipelineAction
+{
+    private final List<IFixedUpdateable> objects = new CopyOnWriteArrayList<>();
+    private final Timer timer;
+
+    /**
+     * Creates a new Physics pipeline action.
+     * 
+     * @param timer
+     *     - The timer to being this action to.
+     */
+    public PhysicsPipeline(Timer timer)
+    {
+        this.timer = timer;
+    }
+
+    @Override
+    public void run()
+    {
+        while (timer.getPhysicsFrame() < timer.getIdealPhysicsFrame())
+        {
+            timer.incrementPhysicsFrame();
+
+            for (IFixedUpdateable obj : objects)
+                obj.fixedUpdate();
+        }
+    }
+
+    @Override
+    public void enableBehavior(AbstractBehavior behavior)
+    {
+        if (behavior instanceof IFixedUpdateable)
+            objects.add((IFixedUpdateable) behavior);
+    }
+
+    @Override
+    public void disableBehavior(AbstractBehavior behavior)
+    {
+        if (behavior instanceof IFixedUpdateable)
+            objects.remove((IFixedUpdateable) behavior);
+    }
+
+    @Override
+    public int getPriority()
+    {
+        return PipelineConstants.PHYSICS_UPDATES;
+    }
+}