fog off client command added

src/main/java/carpet/CarpetSettings.java

@@ -573,4 +573,11 @@ public class CarpetSettings
             category = CREATIVE
     )
     public static boolean extremeBehaviours = false;
+
+    @Rule(
+            desc = "Removes fog from client in the nether and the end",
+            extra = "Improves visibility, but looks weird",
+            category = CLIENT
+    )
+    public static boolean fogOff = false;
 }

src/main/java/carpet/mixins/WorldRenderer_fogOffMixin.java

@@ -0,0 +1,23 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.client.render.WorldRenderer;
+import net.minecraft.world.dimension.Dimension;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(value = WorldRenderer.class, priority = 69420)
+public class WorldRenderer_fogOffMixin
+{
+    @Redirect(method = "render", require = 0, expect = 0, at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/world/dimension/Dimension;isFogThick(II)Z"
+    ))
+    private boolean isReallyThick(Dimension dimension, int x, int z)
+    {
+        if (CarpetSettings.fogOff) return false;
+        return dimension.isFogThick(x, z);
+    }
+
+}

src/main/resources/carpet.mixins.json

@@ -168,7 +168,8 @@
     "PlayerListHudMixin",
     "PistonBlockEntityRenderer_movableTEMixin",
     "ClientPlayNetworkHandler_smoothClientAnimationsMixin",
-    "ClientPlayerEntity_clientCommandMixin"
+    "ClientPlayerEntity_clientCommandMixin",
+    "WorldRenderer_fogOffMixin"
   ],
   "server": [
     "MinecraftDedicatedServerMixin"