Fix pointer lock

src/net/lax1dude/eaglercraft/adapter/EaglerAdapterImpl2.java

@@ -309,6 +309,11 @@ public class EaglerAdapterImpl2 {
 				forceMouseGrabbed();
 			}
 		});
+		win.addEventListener("pointerlockchange", new EventListener<MouseEvent>() {
+			public void handleEvent(MouseEvent evt) {
+				lostFocus = true;
+			}
+		});
 		onBeforeCloseRegister();
 		
 		if(!config.isNull("dataBaseName")) {
@@ -354,6 +359,7 @@ public class EaglerAdapterImpl2 {
 	public static String forcedServer = null;
 	public static String dataBaseName = null;
 	public static boolean joinServerOnLaunch = false;
+	private static boolean lostFocus = false;
 	
 	public static final void destroyContext() {
 		
@@ -1173,6 +1179,10 @@ public class EaglerAdapterImpl2 {
 	private static boolean pointerLockFlag = false;
 	
 	public static final boolean isFocused() {
+		if(lostFocus) {
+			lostFocus = false;
+			return false;
+		}
 		boolean yee = isPointerLocked();
 		boolean dee = pointerLockFlag;
 		pointerLockFlag = yee;

src/net/minecraft/client/Minecraft.java

@@ -392,10 +392,6 @@ public class Minecraft implements Runnable {
 						this.entityRenderer.updateCameraAndRender(this.timer.renderPartialTicks);
 					}
 
-					if(!GL11.isFocused()) {
-						Thread.sleep(10L);
-					}
-
 					if(this.gameSettings.showDebugInfo) {
 						this.displayDebugInfo(var24);
 					} else {
@@ -554,7 +550,7 @@ public class Minecraft implements Runnable {
 	}
 
 	public void setIngameFocus() {
-		if(GL11.isFocused()) {
+		//if(GL11.isFocused()) {
 			if(!this.inGameHasFocus) {
 				this.inGameHasFocus = true;
 				this.mouseHelper.grabMouseCursor();
@@ -562,7 +558,7 @@ public class Minecraft implements Runnable {
 				this.leftClickCounter = 10000;
 				this.mouseTicksRan = this.ticksRan + 10000;
 			}
-		}
+		//}
 	}
 
 	public void setIngameNotInFocus() {

src/net/minecraft/src/EntityRenderer.java

@@ -329,9 +329,7 @@ public class EntityRenderer {
 
 	public void updateCameraAndRender(float var1) {
 		if(!GL11.isFocused()) {
-			if(System.currentTimeMillis() - this.prevFrameTime > 500L) {
-				this.mc.displayInGameMenu();
-			}
+			this.mc.displayInGameMenu();
 		} else {
 			this.prevFrameTime = System.currentTimeMillis();
 		}