remove iterators for slight performance gains

Co-authored-by: r3cp3ct <45179536+r3cp3ct@users.noreply.github.com>
Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

src/sig/RabiClone.java

@@ -51,6 +51,10 @@ public class RabiClone{
 
 	public static long lastControllerScan = System.currentTimeMillis();
 
+	static long lastUpdate=System.nanoTime();
+	final static long TARGET_FRAMETIME = 8333333l;
+	static long lastReportedTime=System.currentTimeMillis();
+
 	public static void main(String[] args) {
 
 		Key.InitializeKeyConversionMap();
@@ -124,9 +128,12 @@ public class RabiClone{
 					OBJ.remove(i--);
 				}
 			}
+
+			waitForNextFrame();
 		}
 	}
 	
+
 	private static void handleGameControllers() {
 		for (int i=0;i<CONTROLLERS.length;i++) {
 			if (CONTROLLERS[i].getType()==Controller.Type.KEYBOARD||CONTROLLERS[i].getType()==Controller.Type.MOUSE) {
@@ -161,4 +168,25 @@ public class RabiClone{
 		}
 		f.setSize(f.getWidth()*SIZE_MULTIPLIER,(int)((f.getWidth()*SIZE_MULTIPLIER)/1.77777777778d));
 	}
+
+	private static void waitForNextFrame() {
+		long newTime = System.nanoTime();
+		if (newTime-lastUpdate<TARGET_FRAMETIME) {
+			long timeRemaining=TARGET_FRAMETIME-(newTime-lastUpdate);
+			long millis = timeRemaining/1000000l;
+			int nanos = (int)(timeRemaining-millis*1000000l);
+			//System.out.println(timeRemaining+"/"+millis+" Nanos:"+nanos);
+			try {
+				Thread.sleep(millis,nanos);
+			} catch (InterruptedException e) {
+				e.printStackTrace();
+			}
+		} else {
+			if (System.currentTimeMillis()-lastReportedTime>1000) {
+				System.err.println("WARNING! Update loop is underperforming!");
+				lastReportedTime=System.currentTimeMillis();
+			}
+		}
+		lastUpdate=newTime;
+	}
 }

src/sig/engine/KeyBind.java

@@ -76,9 +76,11 @@ public class KeyBind {
 
     public static void poll() {
         //Polls all KeyBinds based on device.
-        for (Action a : Action.values()) {
+        for (int i=0;i<Action.values().length;i++) {
+            Action a = Action.values()[i];
             boolean held = false;
-            for (KeyBind c : KEYBINDS.get(a)) {
+            for (int j=0;j<KEYBINDS.get(a).size();j++) {
+                KeyBind c = KEYBINDS.get(a).get(j);
                 held = c.isKeyHeld();
                 if (held) {
                     break;

src/sig/engine/String.java

@@ -27,7 +27,8 @@ public class String{
         return this;
     }
     public String append(java.lang.Object...obj) {
-        for (java.lang.Object o : obj) {
+        for (int i=0;i<obj.length;i++) {
+            java.lang.Object o = obj[i];
             this.sb.append(o.toString());
             updateBounds(o.toString());
         }

src/sig/objects/ConfigureControls.java

@@ -35,17 +35,18 @@ public class ConfigureControls extends Object{
     }
 
     private void updateHighlightSections() {
-        for (Action a : Action.values()) {
+        for (int i=0;i<Action.values().length;i++) {
+            Action a = Action.values()[i];
             actionHighlightSections.add(new ArrayList<Integer>());
             StringBuilder renderedText=new StringBuilder(a.toString()).append(": ");
             List<Integer> sectionList = actionHighlightSections.get(a.ordinal());
             sectionList.clear();
-            for (int i=0;i<KeyBind.KEYBINDS.get(a).size();i++) {
+            for (int j=0;j<KeyBind.KEYBINDS.get(a).size();j++) {
-                KeyBind c = KeyBind.KEYBINDS.get(a).get(i);
+                KeyBind c = KeyBind.KEYBINDS.get(a).get(j);
                 sectionList.add(renderedText.length()+1);
                 renderedText.append(c.getName());
                 sectionList.add(renderedText.length());
-                renderedText.append(i!=KeyBind.KEYBINDS.get(a).size()-1?",":"");
+                renderedText.append(j!=KeyBind.KEYBINDS.get(a).size()-1?",":"");
             }
         }
     }