From 86cb7d52dde019921d5f9d613e28a1e0edef535f Mon Sep 17 00:00:00 2001
From: adQuid <28126232+adQuid@users.noreply.github.com>
Date: Wed, 16 Aug 2023 15:09:56 -0400
Subject: [PATCH 1/2] add horizon fadeout for fog effects

prevents bizzare fog glow when looking off of high places past the draw distance
---
 shaders/clouds.omwfx | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/shaders/clouds.omwfx b/shaders/clouds.omwfx
index 7f613ff..432685f 100644
--- a/shaders/clouds.omwfx
+++ b/shaders/clouds.omwfx
@@ -669,16 +669,22 @@ fragment main {
                 col.rgb = mix(mix(omw.sunColor.rgb, normalize(omw.sunColor.rgb), 0.75) * 0.4, col.rgb, 1.0 / (1.0 + max_dist * 0.005 * pow(interior_mist, 2)));
             }
         } else {
-			if (max_dist >= HORIZON * 0.9) {
-				if (replace_skybox) {
-					// Darken the sky above
-					col.rgb = sky_color * mix(vec3(0.5, 0.7, 0.9), vec3(1.0), vec3(1.0 - dir.z));
-				}
-				if (better_sun) {
-					col.rgb += sun_light(dir);
-				}
+		if (max_dist >= HORIZON * 0.9) {
+			if (replace_skybox) {
+				// Darken the sky above
+				col.rgb = sky_color * mix(vec3(0.5, 0.7, 0.9), vec3(1.0), vec3(1.0 - dir.z));
 			}
-            col = apply_fog(col, wpos, dir, max_dist, dyn_clouds, dyn_mist);
+			if (better_sun) {
+				col.rgb += sun_light(dir);
+			}
+		}
+
+		if (max_dist < HORIZON * 0.9){
+			col = apply_fog(col, wpos, dir, max_dist, dyn_clouds, dyn_mist);
+		} else if (dir.z > 0){
+			float fogFadeIn = clamp(dir.z * 5.0, 0, 1);
+			col = apply_fog(col, wpos, dir, max_dist, dyn_clouds, dyn_mist) * fogFadeIn + (col * (1-fogFadeIn));	
+		}
         }
 
         if (point_glow_enabled && point_glow_intensity > 0.0) {

From 81c51fc962858f79ef6f56a41323bf15c7928ab6 Mon Sep 17 00:00:00 2001
From: adQuid <28126232+adQuid@users.noreply.github.com>
Date: Fri, 18 Aug 2023 12:08:09 -0400
Subject: [PATCH 2/2] rework fadeout strategy

---
 shaders/clouds.omwfx | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/shaders/clouds.omwfx b/shaders/clouds.omwfx
index 432685f..b8c3b8d 100644
--- a/shaders/clouds.omwfx
+++ b/shaders/clouds.omwfx
@@ -457,6 +457,19 @@ fragment main {
             }
         }
 
+	//trims away the glowing white region when looking off a high place
+	if (wpos.z < omw.eyePos.z + 10 && cull_dist > HORIZON * 0.001){
+		mist = 0.0;			
+	}
+
+	//fade out the clouds near the horizon to make them blend together
+	if (dir.z < -0.0){
+		cloud = 0.0;
+	} else if (dir.z < 0.2){
+		float cloudFadeIn = clamp(pow((dir.z * 5.0), 3), 0, 1);
+		cloud *= cloudFadeIn;
+	}
+
         //float attenuation = 0.00009 / (1.0 + wpos.z / 300);
 
         return vec2(
@@ -679,12 +692,7 @@ fragment main {
 			}
 		}
 
-		if (max_dist < HORIZON * 0.9){
-			col = apply_fog(col, wpos, dir, max_dist, dyn_clouds, dyn_mist);
-		} else if (dir.z > 0){
-			float fogFadeIn = clamp(dir.z * 5.0, 0, 1);
-			col = apply_fog(col, wpos, dir, max_dist, dyn_clouds, dyn_mist) * fogFadeIn + (col * (1-fogFadeIn));	
-		}
+		col = apply_fog(col, wpos, dir, max_dist, dyn_clouds, dyn_mist);
         }
 
         if (point_glow_enabled && point_glow_intensity > 0.0) {