From 2d6f319dfccf6339ed1a3bbfb003b8b2dde82383 Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Sun, 19 Jan 2025 16:44:06 +0100
Subject: client: normal maps

---
 world/src/mesh.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'world')

diff --git a/world/src/mesh.rs b/world/src/mesh.rs
index 79e0edc..393a91c 100644
--- a/world/src/mesh.rs
+++ b/world/src/mesh.rs
@@ -64,6 +64,16 @@ pub fn import_mesh(
             })
             .transpose()?;
 
+        let va_tangent = reader
+            .read_tangents()
+            .map(|iter| {
+                // TODO dont ignore handedness
+                let a = iter.map(|[x, y, z, _h]| vec3a(x, y, z)).collect::<Vec<_>>();
+                debug!("{} vertex tangents", a.len());
+                Ok::<_, anyhow::Error>(store.set(&a)?)
+            })
+            .transpose()?;
+
         let va_texcoord = reader
             .read_tex_coords(0)
             .map(|iter| {
@@ -332,6 +342,7 @@ pub fn import_mesh(
             g_double_sided,
             va_position,
             va_normal,
+            va_tangent,
             va_texcoord,
             va_albedo,
             va_alpha,
-- 
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