Add configuration option to toggle the red overlay associated with visual warning mode

src/main/java/de/guntram/mcmod/durabilityviewer/client/gui/GuiItemDurability.java

@@ -318,13 +318,16 @@ private ItemIndicator damageOrEnergy(PlayerEntity player, EquipmentSlot slot) {
 
     private void renderItemBreakingOverlay(DrawContext context, ItemStack itemStack, long timeDelta) {
         Window mainWindow = MinecraftClient.getInstance().getWindow();
-        float alpha = 1.0f-((float)timeDelta/1000.0f);
         float xWarn = mainWindow.getScaledWidth()/2;
         float yWarn = mainWindow.getScaledHeight()/2;
         float scale = 5.0f;
-
-        context.fill(0, 0, mainWindow.getScaledWidth(), mainWindow.getScaledHeight(),
-                0xff0000+ ((int)(alpha*128)<<24));
+
+        if (ConfigurationHandler.showWarnOverlay()) {
+            float alpha = 1.0f-((float)timeDelta/1000.0f);
+            context.fill(0, 0, mainWindow.getScaledWidth(), mainWindow.getScaledHeight(),
+                0xff0000 + ((int) (alpha * 128) << 24)
+            );
+        }
 
         MatrixStack stack = RenderSystem.getModelViewStack();
         stack.push();

src/main/java/de/guntram/mcmod/durabilityviewer/handler/ConfigurationHandler.java

@@ -35,6 +35,7 @@ public class ConfigurationHandler implements ModConfigurationHandler
     private boolean showAllTrinkets;
     private boolean showPercentValues;
     private int warnMode;
+    private boolean showWarnOverlay;
 
     public static ConfigurationHandler getInstance() {
         if (instance==null)
@@ -105,6 +106,7 @@ private void loadConfig() {
         showAllTrinkets = config.getBoolean("durabilityviewer.config.showalltrinkets", Configuration.CATEGORY_CLIENT, true, "durabilityviewer.config.tt.showalltrinkets");
         showPercentValues = config.getBoolean("durabilityviewer.config.percentvalues", Configuration.CATEGORY_CLIENT, false, "durabilityviewer.config.tt.percentvalues");
         warnMode = config.getSelection("durabilityviewer.config.warnmode", Configuration.CATEGORY_CLIENT, 1, warnModes, "durabilityviewer.config.tt.warnmode");
+        showWarnOverlay = config.getBoolean("durabilityviewer.config.showwarnoverlay", Configuration.CATEGORY_CLIENT, true, "durabilityviewer.config.tt.showwarnoverlay");
 
         tooltipColor=Formatting.byColorIndex(color);
         if (config.hasChanged())
@@ -159,4 +161,9 @@ public static boolean getArmorAroundHotbar() {
     public static boolean getShowPercentValues() { return getInstance().showPercentValues; }
 
     public static int getWarnMode() { return getInstance().warnMode; }
+
+    public static boolean showWarnOverlay() {
+        return getInstance().showWarnOverlay;
+    }
+
 }