add mesh alpha property and correct usage of transmission

1 files changed, 10 insertions, 7 deletions

diff --git a/world/src/mesh.rs b/world/src/mesh.rs
index 8742fb7..6a295c7 100644
--- a/world/src/mesh.rs
+++ b/world/src/mesh.rs
@@ -114,7 +114,7 @@ pub fn import_mesh(
             })
             .transpose()?;
 
-        let va_transmission = reader
+        let va_alpha = reader
             .read_colors(0)
             .map(|iter| {
                 let mut color_a = vec![];
@@ -144,7 +144,7 @@ pub fn import_mesh(
         let index = Some(store.set(&IndexArray(index))?);
 
         let mut tex_albedo = None;
-        let mut tex_transmission = None;
+        let mut tex_alpha = None;
         if let Some(tex) = p.material().pbr_metallic_roughness().base_color_texture() {
             let r = load_texture(
                 "albedo",
@@ -155,7 +155,7 @@ pub fn import_mesh(
                 webp,
             )?;
             tex_albedo = Some(r.clone());
-            tex_transmission = Some(r.clone());
+            tex_alpha = Some(r.clone());
         }
         let mut tex_normal = None;
         if let Some(tex) = p.material().normal_texture() {
@@ -213,7 +213,7 @@ pub fn import_mesh(
             debug!("global albedo pruned");
             None
         };
-        let g_transmission = if base_color[3] != 1. {
+        let g_alpha = if base_color[3] != 1. {
             info!("global transmission is {}", base_color[3]);
             Some(base_color[3])
         } else {
@@ -235,7 +235,7 @@ pub fn import_mesh(
 
         let mesh = store.set(&MeshPart {
             g_albedo,
-            g_transmission,
+            g_alpha,
             g_metallic,
             g_roughness,
             g_emission,
@@ -243,14 +243,17 @@ pub fn import_mesh(
             va_normal,
             va_texcoord,
             va_albedo,
-            va_transmission,
+            va_alpha,
             tex_albedo,
             tex_normal,
             tex_roughness,
             tex_metallic,
-            tex_transmission,
+            tex_alpha,
             tex_emission,
             index,
+            g_transmission: None,
+            tex_transmission: None,
+            va_transmission: None,
             va_emission: None,  // not supported by gltf
             va_metallic: None,  // not supported by gltf
             va_roughness: None, // not supported by gltf