From 3ac1e5e5a9ebcb4beb2bfe149dd5095f2250f60d Mon Sep 17 00:00:00 2001
From: Irene Knapp <ireneista@irenes.space>
Date: Mon, 20 Jul 2026 20:43:48 -0700
Subject: load a nontrivial model and render it with a texture

yay

Force-Push: yes
Change-Id: Icb715692286c8560532ab73d32a49be8f485d790
---
 src/error.rs | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

(limited to 'src/error.rs')

diff --git a/src/error.rs b/src/error.rs
index 729ff23..304ed74 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -115,6 +115,48 @@ impl From<png::DecodingError> for Error {
   }
 }
 
+impl From<tobj::LoadError> for Error {
+  fn from(e: tobj::LoadError) -> Self {
+    Error {
+      message: format!("While loading model from .obj: {}",
+                       match e
+      {
+        tobj::LoadError::OpenFileFailed => "Can't open file.",
+        tobj::LoadError::ReadError => "Can't read from file.",
+        tobj::LoadError::UnrecognizedCharacter =>
+            "Syntax error: Invalid character.",
+        tobj::LoadError::PositionParseError =>
+            "Syntax error describing a spatial position.",
+        tobj::LoadError::NormalParseError =>
+            "Syntax error describing a normal vector.",
+        tobj::LoadError::TexcoordParseError =>
+            "Syntax error describing texture coordinates.",
+        tobj::LoadError::FaceParseError =>
+            "Syntax error describing which vertices form a face.",
+        tobj::LoadError::MaterialParseError =>
+            "Syntax error describing a rendering material.",
+        tobj::LoadError::InvalidObjectName =>
+            "Syntax error in the name of an object.",
+        tobj::LoadError::InvalidPolygon =>
+            "Geometric error with an alleged polygon.",
+        tobj::LoadError::FaceVertexOutOfBounds =>
+            "Geometric error with a vertex's location.",
+        tobj::LoadError::FaceTexCoordOutOfBounds =>
+            "Geometric error with texture coordinates.",
+        tobj::LoadError::FaceNormalOutOfBounds =>
+            "Geometric error with a normal vector.",
+        tobj::LoadError::FaceColorOutOfBounds =>
+            "Geometric error with a vertex color (yes).",
+        tobj::LoadError::InvalidLoadOptionConfig =>
+            "Invoked incorrectly by Surreality.",
+        tobj::LoadError::GenericFailure =>
+            "The library's author didn't choose to tell us why.",
+      })
+    }
+  }
+}
+
+
 pub fn ignore_errors(mut body: impl FnMut() -> Result<()>) -> () {
   if let Err(e) = body() {
     eprintln!("Error: {}", e);
-- 
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