Added Eyecon as indicator that Ambient Lighting is enabled

Added ShutdownHook to Lighting Handler to prevent high Brightness Values from being saved

src/main/java/eu/crushedpixel/replaymod/gui/overlay/GuiReplayOverlay.java

@@ -448,6 +448,22 @@ public class GuiReplayOverlay extends Gui {
         }
     }
 
+    /**
+     * Render the eye icon in the bottom right corner of the screen.
+     * @param event Rendered post game overlay
+     */
+    @SubscribeEvent
+    public void renderLightingIndicator(RenderGameOverlayEvent.Post event) {
+        if (event.type != RenderGameOverlayEvent.ElementType.ALL) return;
+        if(ReplayMod.replaySettings.isLightingEnabled() && ReplayHandler.isInReplay()) {
+            mc.renderEngine.bindTexture(replay_gui);
+            GlStateManager.resetColor();
+            GlStateManager.enableAlpha();
+            Gui.drawModalRectWithCustomSizedTexture(WIDTH - 10 - 19, HEIGHT - 10 - 13,
+                    90, 20, 19, 13, TEXTURE_SIZE, TEXTURE_SIZE);
+        }
+    }
+
     /**
      * Dummy interface for GUI on which this replay overlay shall not be rendered.
      */