From 524f5d27020ca63d21cd5eca1120a1c71443e240 Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Thu, 9 Jan 2025 02:10:41 +0100
Subject: import for g_transmission and tex_transmission

---
 world/src/mesh.rs | 38 ++++++++++++++++++++++++++++++++++----
 1 file changed, 34 insertions(+), 4 deletions(-)

diff --git a/world/src/mesh.rs b/world/src/mesh.rs
index 6a295c7..3190c28 100644
--- a/world/src/mesh.rs
+++ b/world/src/mesh.rs
@@ -179,6 +179,22 @@ pub fn import_mesh(
                 webp,
             )?);
         }
+        let mut tex_transmission = None;
+        if let Some(tex) = p
+            .material()
+            .transmission()
+            .map(|t| t.transmission_texture())
+            .flatten()
+        {
+            tex_transmission = Some(load_texture(
+                "transmission",
+                &store,
+                path_base,
+                &buffers,
+                &tex.texture().source().source(),
+                webp,
+            )?);
+        }
         let mut tex_roughness = None;
         let mut tex_metallic = None;
         if let Some(tex) = p
@@ -214,10 +230,10 @@ pub fn import_mesh(
             None
         };
         let g_alpha = if base_color[3] != 1. {
-            info!("global transmission is {}", base_color[3]);
+            info!("global alpha is {}", base_color[3]);
             Some(base_color[3])
         } else {
-            debug!("global transmission pruned");
+            debug!("global alpha pruned");
             None
         };
 
@@ -233,12 +249,27 @@ pub fn import_mesh(
             None
         };
 
+        let transmission = p
+            .material()
+            .transmission()
+            .map(|t| t.transmission_factor())
+            .unwrap_or(0.);
+
+        let g_transmission = if transmission != 0. {
+            info!("global transmission is {transmission}");
+            Some(transmission)
+        } else {
+            debug!("global transmission pruned");
+            None
+        };
+
         let mesh = store.set(&MeshPart {
             g_albedo,
             g_alpha,
             g_metallic,
             g_roughness,
             g_emission,
+            g_transmission,
             va_position,
             va_normal,
             va_texcoord,
@@ -250,9 +281,8 @@ pub fn import_mesh(
             tex_metallic,
             tex_alpha,
             tex_emission,
+            tex_transmission,
             index,
-            g_transmission: None,
-            tex_transmission: None,
             va_transmission: None,
             va_emission: None,  // not supported by gltf
             va_metallic: None,  // not supported by gltf
-- 
cgit v1.2.3-70-g09d2