Update core + Add DisableVanillaFog for Forge

common/src/main/java/com/seibel/lod/common/wrappers/minecraft/MinecraftRenderWrapper.java

@@ -264,4 +264,9 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
     public boolean isFogStateInUnderWater() {
         return GAME_RENDERER.getMainCamera().getFluidInCamera() == FogType.WATER;
     }
+
+	@Override
+	public boolean tryDisableVanillaFog() {
+		return true; // Handled via MixinFogRenderer in both Fabric and Forge
+	}
 }

forge/src/main/java/com/seibel/lod/forge/mixins/MixinFogRenderer.java

@@ -0,0 +1,46 @@
+package com.seibel.lod.forge.mixins;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import com.mojang.blaze3d.systems.RenderSystem;
+import com.seibel.lod.core.util.SingletonHandler;
+import com.seibel.lod.core.wrapperInterfaces.config.ILodConfigWrapperSingleton;
+
+import net.minecraft.client.Camera;
+import net.minecraft.client.renderer.FogRenderer;
+import net.minecraft.client.renderer.FogRenderer.FogMode;
+import net.minecraft.world.effect.MobEffects;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.LivingEntity;
+import net.minecraft.world.level.material.FogType;
+
+@Mixin(FogRenderer.class)
+public class MixinFogRenderer {
+	// Using this instead of Float.MAX_VALUE because Sodium don't like it. (And just in case it's here also for forge)
+	private static final float A_REALLY_REALLY_BIG_VALUE = 420694206942069.F;
+	private static final float A_EVEN_LARGER_VALUE = 42069420694206942069.F;
+	
+	@Inject(at = @At("RETURN"),
+		method = "setupFog(Lnet/minecraft/client/Camera;Lnet/minecraft/client/renderer/FogRenderer$FogMode;FZF)V",
+		remap = false) // Due to this being a forge added method
+	private static final void disableSetupFog(Camera camera, FogMode fogMode, float f, boolean bl, float tick, CallbackInfo callback) {
+	    ILodConfigWrapperSingleton CONFIG;
+	    try {
+	    	CONFIG = SingletonHandler.get(ILodConfigWrapperSingleton.class);
+	    } catch (NullPointerException e) {
+	    	return; // Happens on forge not loading the mod before this.
+	    }
+		FogType fogTypes = camera.getFluidInCamera();
+	    Entity entity = camera.getEntity();
+	    boolean isUnderWater = (entity instanceof LivingEntity) && ((LivingEntity)entity).hasEffect(MobEffects.BLINDNESS);
+	    if (!isUnderWater) {
+			if (fogMode == FogMode.FOG_TERRAIN && fogTypes == FogType.NONE && CONFIG.client().graphics().fogQuality().getDisableVanillaFog()) {
+			    RenderSystem.setShaderFogStart(A_REALLY_REALLY_BIG_VALUE);
+			    RenderSystem.setShaderFogEnd(A_EVEN_LARGER_VALUE);
+			}
+	    }
+	}
+}

forge/src/main/resources/lod.mixins.json

@@ -7,7 +7,8 @@
 	],
 	"client": [
 		"MixinOptionsScreen",
-		"MixinWorldRenderer"
+		"MixinWorldRenderer",
+		"MixinFogRenderer"
 	],
 	"server": []
 }