fix clouds and fog for translucent

Author: Godlander

assets/minecraft/shaders/core/render/clouds.fsh

@@ -24,5 +24,5 @@ void main() {
     color *= vertexColor * ColorModulator * vec4(1,1,1,0.6);
     color.rgb = mix(color.rgb, pow(FogColor.rgb, vec3(2)), 0.5 * (1.0 - yval));
     if (color.a < 0.1) discard;
-    fragColor = linear_fog_translucent(color, fogDistance, clamp(FogStart*0.8, 0, 256-64), clamp(FogEnd*1.5, 16, 512-64), FogColor);
+    fragColor = linear_fog_translucent(color, fogDistance, 24, 32, FogColor);
 }

assets/minecraft/shaders/core/render/clouds.vsh

@@ -27,7 +27,7 @@ void main() {
     gl_Position = ProjMat * ModelViewMat * vec4(pos, 1.0);
 
     texCoord0 = UV0;
-    fogDistance = fog_distance(pos, FogShape);
+    fogDistance = fog_distance(pos, 2);
 
     // try the flatten the cloud shading as much as possible
     vec4 col = Color;

…ders/core/position_tex_color_normal.json …raft/shaders/core/rendertype_clouds.jsonassets/minecraft/shaders/core/position_tex_color_normal.json renamed to assets/minecraft/shaders/core/rendertype_clouds.json assets/minecraft/shaders/core/position_tex_color_normal.json renamed to assets/minecraft/shaders/core/rendertype_clouds.json

@@ -36,12 +36,15 @@ float linear_fog_fade(float fogDistance, float fogStart, float fogEnd) {
 }
 
 float fog_distance(vec3 pos, int shape) {
-    if (shape == 0) {
-        return length(pos);
-    } else {
-        float distXZ = length(pos.xz);
-        float distY = abs(pos.y);
-        return max(distXZ, distY);
+    switch (shape) {
+        case 0:
+            return length(pos);
+        case 1:
+            float distXZ = length(pos.xz);
+            float distY = abs(pos.y);
+            return max(distXZ, distY);
+        case 2:
+            return length(pos.xz);
     }
 }
 

assets/minecraft/shaders/include/fog.glsl

@@ -36,6 +36,11 @@ else {
     if (color.a < 0.1) discard;
     color = color * vertexColor * ColorModulator;
     color = emissive(color, lightColor, Distance);
+
+#ifdef TRANSLUCENT
+    fragColor = linear_fog_translucent(color, fogDistance, FogStart, FogEnd, FogColor);
+#else
     fragColor = linear_fog(color, fogDistance, FogStart, FogEnd, FogColor);
+#endif
 }
 }

assets/minecraft/shaders/include/render/block.fsh

@@ -1,4 +1,11 @@
 v++
+3.3
+Shaders:
++Fix clouds shader
++Fix fog for translucent blocks
+
+
+
 3.2
 +Update to 1.21