From 264d64d221789d563a3526e924a3b86d43d524c6 Mon Sep 17 00:00:00 2001
From: tom lee <tomlee92502@yahoo.com>
Date: Fri, 14 Jan 2022 21:31:29 +0800
Subject: [PATCH] Add forge DisableVanillaFog. (And actually add the untracked
 file.)

---
 .../lod/forge/mixins/MixinFogRenderer.java    | 51 +++++++++++++++++++
 forge/src/main/resources/lod.mixins.json      |  3 +-
 2 files changed, 53 insertions(+), 1 deletion(-)
 create mode 100644 forge/src/main/java/com/seibel/lod/forge/mixins/MixinFogRenderer.java

diff --git a/forge/src/main/java/com/seibel/lod/forge/mixins/MixinFogRenderer.java b/forge/src/main/java/com/seibel/lod/forge/mixins/MixinFogRenderer.java
new file mode 100644
index 000000000..e9533fe93
--- /dev/null
+++ b/forge/src/main/java/com/seibel/lod/forge/mixins/MixinFogRenderer.java
@@ -0,0 +1,51 @@
+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.tags.FluidTags;
+import net.minecraft.world.effect.MobEffects;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.LivingEntity;
+import net.minecraft.world.level.material.FluidState;
+
+@Mixin(FogRenderer.class)
+public class MixinFogRenderer {
+
+	// Using this instead of Float.MAX_VALUE because Sodium don't like it. (And keeping it for forge just in case)
+	private static final float A_REALLY_REALLY_BIG_VALUE = 4206942069.F;
+	private static final float A_EVEN_LARGER_VALUE = 420694206942069.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 forge modified
+	private static final void disableSetupFog(Camera camera, FogMode fogMode, float f, boolean bl, float ticks, CallbackInfo callback) {
+	    ILodConfigWrapperSingleton CONFIG;
+	    try {
+	    	CONFIG = SingletonHandler.get(ILodConfigWrapperSingleton.class);
+	    } catch (NullPointerException e) {
+	    	return; // Can happen due to forge calling this before setting up the mod
+	    }
+		FluidState fluidState = camera.getFluidInCamera();
+	    Entity entity = camera.getEntity();
+	    boolean isUnderWater = (entity instanceof LivingEntity) && ((LivingEntity)entity).hasEffect(MobEffects.BLINDNESS);
+	    isUnderWater |= fluidState.is(FluidTags.WATER);
+	    isUnderWater |= fluidState.is(FluidTags.LAVA);
+	    
+	    if (!isUnderWater) {
+			if (fogMode == FogMode.FOG_TERRAIN && CONFIG.client().graphics().fogQuality().getDisableVanillaFog()) {
+			    RenderSystem.fogStart(A_REALLY_REALLY_BIG_VALUE);
+			    RenderSystem.fogEnd(A_EVEN_LARGER_VALUE);
+			}
+	    }
+	}
+}
\ No newline at end of file
diff --git a/forge/src/main/resources/lod.mixins.json b/forge/src/main/resources/lod.mixins.json
index 588e1b6d2..a68b47314 100644
--- a/forge/src/main/resources/lod.mixins.json
+++ b/forge/src/main/resources/lod.mixins.json
@@ -7,7 +7,8 @@
 	],
 	"client": [
 		"MixinOptionsScreen",
-		"MixinWorldRenderer"
+		"MixinWorldRenderer",
+		"MixinFogRenderer"
 	],
 	"server": []
 }
\ No newline at end of file