From 8aa475022672710cba40384dd3c6493ccc28c3ab Mon Sep 17 00:00:00 2001
From: NULL511 <null511@outlook.com>
Date: Thu, 2 May 2024 18:39:09 -0400
Subject: [PATCH] add trapdoor masks

---
 shaders/world0/setup.csh | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/shaders/world0/setup.csh b/shaders/world0/setup.csh
index ab59e42..bb9a19f 100644
--- a/shaders/world0/setup.csh
+++ b/shaders/world0/setup.csh
@@ -13,7 +13,7 @@ const ivec3 workGroups = ivec3(4, 5, 1);
     #include "/lib/lpv_blocks.glsl"
 
     const vec3 LightColor_SeaPickle = vec3(0.283, 0.394, 0.212);
-    
+
     uint BuildLpvMask(const in uint north, const in uint east, const in uint south, const in uint west, const in uint up, const in uint down) {
         return east | (west << 1) | (down << 2) | (up << 3) | (south << 4) | (north << 5);
     }
@@ -240,6 +240,32 @@ void main() {
                 mixMask = BuildLpvMask(1u, 1u, 1u, 0u, 1u, 1u);
                 mixWeight = 1.0;
                 break;
+
+
+            case BLOCK_TRAPDOOR_BOTTOM:
+                mixMask = BuildLpvMask(1u, 1u, 1u, 1u, 1u, 0u);
+                mixWeight = 1.0;
+                break;
+            case BLOCK_TRAPDOOR_TOP:
+                mixMask = BuildLpvMask(1u, 1u, 1u, 1u, 0u, 1u);
+                mixWeight = 1.0;
+                break;
+            case BLOCK_TRAPDOOR_N:
+                mixMask = BuildLpvMask(0u, 1u, 1u, 1u, 1u, 1u);
+                mixWeight = 1.0;
+                break;
+            case BLOCK_TRAPDOOR_E:
+                mixMask = BuildLpvMask(1u, 0u, 1u, 1u, 1u, 1u);
+                mixWeight = 1.0;
+                break;
+            case BLOCK_TRAPDOOR_S:
+                mixMask = BuildLpvMask(1u, 1u, 0u, 1u, 1u, 1u);
+                mixWeight = 1.0;
+                break;
+            case BLOCK_TRAPDOOR_W:
+                mixMask = BuildLpvMask(1u, 1u, 1u, 0u, 1u, 1u);
+                mixWeight = 1.0;
+                break;
         }
 
         LpvBlockData block;