Add GUI icon to indicate elytra toggle status

gradle.properties

@@ -10,8 +10,6 @@ org.gradle.configuration-cache=true
 # The Minecraft version must agree with the Neo version to get a valid artifact
 minecraft_version=1.21.1
 
-caelus_version=7.0.1
-
 # The Minecraft version range can use any release version of Minecraft as bounds.
 # Snapshots, pre-releases, and release candidates are not guaranteed to sort properly
 # as they do not follow standard versioning conventions.
@@ -31,7 +29,7 @@ mod_name=ElytraKeybind
 # The license of the mod. Review your options at https://choosealicense.com/. All Rights Reserved is the default.
 mod_license=GLGPL-3.0
 # The mod version. See https://semver.org/
-mod_version=1.0.1
+mod_version=1.1.0
 # The group ID for the mod. It is only important when publishing as an artifact to a Maven repository.
 # This should match the base package used for the mod sources.
 # See https://maven.apache.org/guides/mini/guide-naming-conventions.html

src/main/java/com/nrojb/elytrakeybind/Config.java

@@ -9,5 +9,21 @@ public class Config {
             .comment("Toggle the \"Elytra Toggle: true\" messages")
             .define("disableChatMessages", false);
 
+    public static final ModConfigSpec.BooleanValue showEnabledIcon = BUILDER
+            .comment("Show an icon on the HUD when Elytra are enabled.")
+            .define("showEnabledIcon", true);
+
+    public static final ModConfigSpec.BooleanValue showDisabledIcon = BUILDER
+            .comment("Show an icon on the HUD when Elytra are disabled.")
+            .define("showDisabledIcon", true);
+
+    public static final ModConfigSpec.IntValue xOffset = BUILDER
+            .comment("X Position for the Enabled/Disabled icon.")
+            .defineInRange("iconXPosition", 0, Integer.MIN_VALUE, Integer.MAX_VALUE);
+
+    public static final ModConfigSpec.IntValue yOffset = BUILDER
+            .comment("Y Position for the Enabled/Disabled icon.")
+            .defineInRange("iconYPosition", 0, Integer.MIN_VALUE, Integer.MAX_VALUE);
+
     static final ModConfigSpec SPEC = BUILDER.build();
 }

src/main/java/com/nrojb/elytrakeybind/HudOverlay.java

@@ -0,0 +1,42 @@
+package com.nrojb.elytrakeybind;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.resources.ResourceLocation;
+import net.neoforged.api.distmarker.Dist;
+import net.neoforged.bus.api.SubscribeEvent;
+import net.neoforged.fml.common.EventBusSubscriber;
+import net.neoforged.neoforge.client.event.RegisterGuiLayersEvent;
+import net.neoforged.neoforge.client.gui.VanillaGuiLayers;
+
+@EventBusSubscriber(modid = ElytraKeybind.MODID, value = Dist.CLIENT)
+public class HudOverlay
+{
+    private static final ResourceLocation LOCKED_ICON = ResourceLocation.fromNamespaceAndPath(ElytraKeybind.MODID, "textures/locked.png");
+    private static final ResourceLocation UNLOCKED_ICON = ResourceLocation.fromNamespaceAndPath(ElytraKeybind.MODID, "textures/unlocked.png");
+
+    private static final ResourceLocation ICON_ID = ResourceLocation.fromNamespaceAndPath(ElytraKeybind.MODID, "status_icon");
+
+    @SubscribeEvent
+    public static void registerGuiLayers(RegisterGuiLayersEvent event) {
+
+        event.registerAbove(VanillaGuiLayers.HOTBAR, ICON_ID,
+                ((guiGraphics, deltaTracker) -> {
+
+                    // Base location is to the right of the hotbar.
+                    int x = Config.xOffset.getAsInt() + Minecraft.getInstance().getWindow().getGuiScaledWidth() / 2 + 100;
+                    int y = Config.yOffset.getAsInt() + Minecraft.getInstance().getWindow().getGuiScaledHeight() - 20;
+
+                    if (ElytraKeybind.elytraToggleEnabled && Config.showEnabledIcon.getAsBoolean())
+                    {
+                        guiGraphics.blit(UNLOCKED_ICON, x, y, 0, 0, 16, 16, 16, 16);
+                    }
+                    else if (!ElytraKeybind.elytraToggleEnabled && Config.showDisabledIcon.getAsBoolean())
+                    {
+                        guiGraphics.blit(LOCKED_ICON, x, y, 0, 0, 16, 16, 16, 16);
+                    }
+                })
+        );
+
+    }
+
+}

src/main/resources/assets/elytrakeybind/lang/en_us.json

@@ -1,4 +1,8 @@
 {
   "elytrakeybind.configuration.disableChatMessages": "Disable Chat Messages",
+  "elytrakeybind.configuration.showEnabledIcon": "Show Enabled Icon",
+  "elytrakeybind.configuration.showDisabledIcon": "Show Disabled Icon",
+  "elytrakeybind.configuration.iconXPosition": "X Position",
+  "elytrakeybind.configuration.iconYPosition": "Y Position",
   "key.elytrakeybind.category": "ElytraKeybind"
 }