Fullbright!

src/main/java/io/github/simplycmd/quake/AntiGhost.java

@@ -23,10 +23,10 @@ public class AntiGhost implements ClientModInitializer
     @Override
     public void onInitializeClient()
     {
-        final String category="key.categories.antighost";
+        final String category="key.categories.quake";
         KeyBindingRegistry.INSTANCE.addCategory(category);
         KeyBindingRegistry.INSTANCE.register(requestBlocks = FabricKeyBinding.Builder
-                .create(new Identifier("antighost:reveal"), InputUtil.Type.KEYSYM,
+                .create(new Identifier("quake:reveal"), InputUtil.Type.KEYSYM,
                         GLFW_KEY_G, category)
                 .build());
         ClientTickCallback.EVENT.register(e->keyPressed());

src/main/java/io/github/simplycmd/quake/Fullbright.java

@@ -0,0 +1,68 @@
+package io.github.simplycmd.quake;
+
+import org.lwjgl.glfw.GLFW;
+
+import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.client.keybinding.v1.KeyBindingHelper;
+import net.fabricmc.fabric.api.event.client.ClientTickCallback;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.options.GameOptions;
+import net.minecraft.client.options.KeyBinding;
+import net.minecraft.client.util.InputUtil;
+
+public class Fullbright implements ClientModInitializer {
+
+    public static boolean done = false;
+
+    public final static double MAX_BRIGHTNESS = 12.0D;
+
+    private GameOptions gameOptions;
+    private boolean maxBrightToggled = false;
+    private double prevBrightness;
+    private boolean prevPressed;
+    private KeyBinding brightnessBind;
+
+
+	@Override
+	public void onInitializeClient() {
+        SetupKeybinds(); 
+    }
+
+
+    private void SetupKeybinds() {
+
+        // Create the max brightness toggle
+        brightnessBind = new KeyBinding(
+            "key.quake.fullbright",
+            InputUtil.Type.KEYSYM,
+            GLFW.GLFW_KEY_B,
+            "key.categories.quake"
+        );
+
+        KeyBindingHelper.registerKeyBinding(brightnessBind);
+
+        // Callback that toggles brightness between set value and maximum
+        ClientTickCallback.EVENT.register(e -> {
+            // When onInitializeClient is called, client.options is null, so we grab it here
+            if (gameOptions == null) {
+                MinecraftClient client = MinecraftClient.getInstance();
+                gameOptions = client.options;
+            } 
+
+            if (brightnessBind.isPressed()) {
+                if (!prevPressed) {
+                    if (!maxBrightToggled) {
+                        prevBrightness = gameOptions.gamma;
+                        gameOptions.gamma = MAX_BRIGHTNESS;
+                    } else {
+                        gameOptions.gamma = prevBrightness;
+                    }
+                    maxBrightToggled = !maxBrightToggled;
+                    prevPressed = true;
+                }
+            } else {
+                prevPressed = false;
+            } // The ClientTickCallback is called every tick, so this logic prevents rapid toggling when key is held >1 tick
+        });
+    }
+}

src/main/java/io/github/simplycmd/quake/mixin/FullbrightMixin.java

@@ -0,0 +1,50 @@
+package io.github.simplycmd.quake.mixin;
+
+import net.minecraft.text.MutableText;
+import net.minecraft.text.Text;
+import net.minecraft.text.TranslatableText;
+import net.minecraft.client.options.DoubleOption;
+import net.minecraft.client.options.GameOptions;
+
+import java.util.function.BiConsumer;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Mutable;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import io.github.simplycmd.quake.Fullbright;
+
+@Mixin(DoubleOption.class)
+public class FullbrightMixin {
+    @Shadow
+    @Final
+    @Mutable
+    private BiFunction<GameOptions, DoubleOption, Text> displayStringGetter;
+    @Shadow
+    private double max;
+
+    @Inject(at = @At("RETURN"), method = "<init>")
+    private void init(String key, double min, double max, float step, Function<GameOptions, Double> getter,
+            BiConsumer<GameOptions, Double> setter, BiFunction<GameOptions, DoubleOption, Text> displayStringGetter,
+            CallbackInfo info) {
+        // Modifies the max and displayStringGetter of the brightness slider
+        if (key.equals("options.gamma")) {
+            this.max = Fullbright.MAX_BRIGHTNESS;
+            this.displayStringGetter = (gameOptions, doubleOption) -> {
+                double d = doubleOption.getRatio(doubleOption.get(gameOptions));
+                MutableText mutableText = doubleOption.getDisplayPrefix();
+                if (d == 0.0D) {
+                    return mutableText.append((Text)(new TranslatableText("options.gamma.min")));
+                } else {
+                    return d == 1.0D ? mutableText.append((Text)(new TranslatableText("options.gamma.max"))) : mutableText.append("+" + (int)(d * Fullbright.MAX_BRIGHTNESS * 100.0D) + "%");
+                }
+            };
+        }
+    }
+}

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

@@ -1,5 +1,8 @@
 {
     "key.categories.quake": "Quake Client",
-    "key.quake.reveal": "Reveal ghost blocks",
-    "msg.request": "Revealing glitched blocks (Don't spam this or else you will get kicked!)"
+
+    "key.quake.reveal": "Reveal Ghost Blocks",
+    "msg.request": "Revealing glitched blocks (Don't spam this or else you will get kicked!)",
+
+    "key.quake.fullbright": "Toggle Fullbright"
 }

src/main/resources/fabric.mod.json

@@ -19,7 +19,7 @@
     "main": [
       "io.github.simplycmd.quake.Quake"
     ],
-    "client": ["io.github.simplycmd.quake.AntiGhost"],
+    "client": ["io.github.simplycmd.quake.AntiGhost","io.github.simplycmd.quake.Fullbright"],
     "server": []
   },
   "mixins": [

src/main/resources/quake.mixins.json

@@ -3,7 +3,7 @@
   "package": "io.github.simplycmd.quake.mixin",
   "compatibilityLevel": "JAVA_8",
   "mixins": ["LegacyPvp"],
-  "client": ["TitleScreenDebrand","ClientDebrand"],
+  "client": ["TitleScreenDebrand","ClientDebrand","FullbrightMixin"],
   "server": [],
   "injectors": {
     "defaultRequire": 1