Migrate Carpet Mixin names to mojang mappings

src/main/java/carpet/mixins/LevelRenderer_fogOffMixin.java

@@ -0,0 +1,24 @@
+package carpet.mixins;
+
+import carpet.CarpetSettings;
+import net.minecraft.client.renderer.DimensionSpecialEffects;
+import net.minecraft.client.renderer.LevelRenderer;
+//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 = LevelRenderer.class, priority = 69420)
+public class LevelRenderer_fogOffMixin
+{
+    @Redirect(method = "renderLevel", require = 0, expect = 0, at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/client/renderer/DimensionSpecialEffects;isFoggyAt(II)Z"
+    ))
+    private boolean isReallyThick(DimensionSpecialEffects skyProperties, int x, int z)
+    {
+        if (CarpetSettings.fogOff) return false;
+        return skyProperties.isFoggyAt(x, z);
+    }
+
+}