From c3a0a1b8b57193c69d05af1113e3898c459352e6 Mon Sep 17 00:00:00 2001
From: Joshua Barretto <joshua.s.barretto@gmail.com>
Date: Wed, 8 Sep 2021 12:37:15 +0100
Subject: [PATCH] Made the camera go dark if in a filled block and not
 moderator

---
 assets/voxygen/shaders/postprocess-frag.glsl | 6 ++++++
 voxygen/src/render/pipelines/mod.rs          | 8 +++++++-
 voxygen/src/scene/mod.rs                     | 2 ++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/assets/voxygen/shaders/postprocess-frag.glsl b/assets/voxygen/shaders/postprocess-frag.glsl
index 17b90c0895..2d478578fe 100644
--- a/assets/voxygen/shaders/postprocess-frag.glsl
+++ b/assets/voxygen/shaders/postprocess-frag.glsl
@@ -21,6 +21,7 @@
 #include <anti-aliasing.glsl>
 #include <srgb.glsl>
 #include <cloud.glsl>
+#include <random.glsl>
 
 layout(set = 1, binding = 0)
 uniform texture2D t_src_color;
@@ -184,6 +185,11 @@ void main() {
 
     // float bright_color = (bright_color0 + bright_color1 + bright_color2 + bright_color3 + bright_color4) / 5.0;
 
+    if (medium.x == 2u) {
+        tgt_color = vec4(0, 0.005, 0.01, 1) * (1 + hash_fast(uvec3(vec3(uv * screen_res.xy / 32.0, 0))));
+        return;
+    }
+
     vec4 aa_color = aa_apply(t_src_color, s_src_color, uv * screen_res.xy, screen_res.xy);
 
     // Bloom
diff --git a/voxygen/src/render/pipelines/mod.rs b/voxygen/src/render/pipelines/mod.rs
index d4a0ee3c46..28b8277f6f 100644
--- a/voxygen/src/render/pipelines/mod.rs
+++ b/voxygen/src/render/pipelines/mod.rs
@@ -137,7 +137,13 @@ impl Globals {
                 0.0,
                 0.0,
             ],
-            medium: [if medium.is_liquid() { 1 } else { 0 }; 4],
+            medium: [if medium.is_liquid() {
+                1
+            } else if medium.is_filled() {
+                2
+            } else {
+                0
+            }; 4],
             select_pos: select_pos
                 .map(|sp| Vec4::from(sp) + Vec4::unit_w())
                 .unwrap_or_else(Vec4::zero)
diff --git a/voxygen/src/scene/mod.rs b/voxygen/src/scene/mod.rs
index fe7aa247c5..a25e6e598b 100644
--- a/voxygen/src/scene/mod.rs
+++ b/voxygen/src/scene/mod.rs
@@ -644,6 +644,8 @@ impl Scene {
                 .terrain()
                 .get((cam_pos + focus_off).map(|e| e.floor() as i32))
                 .map(|b| b.kind())
+                // Don't block the camera's view in solid blocks if the player is a moderator
+                .filter(|b| !(b.is_filled() && self.client.is_moderator()))
                 .unwrap_or(BlockKind::Air),
             self.select_pos.map(|e| e - focus_off.map(|e| e as i32)),
             scene_data.gamma,