From fdaa55621fc7f815c236520ff65033eb8c8c6ca0 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Tue, 30 Dec 2025 17:25:44 -0800
Subject: Parse diffuse texture from material

---
 include/model.h | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

(limited to 'include')

diff --git a/include/model.h b/include/model.h
index 9e93993..0730809 100644
--- a/include/model.h
+++ b/include/model.h
@@ -1,13 +1,20 @@
 #pragma once
 
+#include <stddef.h>
 #include <stdint.h>
 
+constexpr size_t ModelPathLen = 256;
+
 typedef uint16_t mdIdx;
-typedef struct mdVert { mdIdx position, normal, texcoord; } mdVert;
+typedef struct mdVert { mdIdx position, texcoord, normal; } mdVert;
 typedef struct mdTri  { mdVert v0, v1, v2; } mdTri;
 typedef struct mdVec2 { float x, y;        } mdVec2;
 typedef struct mdVec3 { float x, y, z;     } mdVec3;
 
+typedef struct Material {
+  char diffuseTexture[ModelPathLen];
+} Material;
+
 // Every three indices form a triangle, and each index indexes all attribute
 // arrays simultaneously. This is best for a fast, linear-scan rendering.
 // This is what you would render with glDrawElements().
@@ -18,13 +25,13 @@ typedef struct FlatModel {
   // Offsets.
   uint32_t offsetIdxs;
   uint32_t offsetPositions;
-  uint32_t offsetNormals;
   uint32_t offsetTexcoords;
+  uint32_t offsetNormals;
   /*
   [indices]   -- numIdxs  mdIdx
   [positions] -- numVerts mdVec3
-  [normals]   -- numVerts mdVec3
   [texcoords] -- numVerts mdVec2
+  [normals]   -- numVerts mdVec3
   */
   uint8_t data[];
 } FlatModel;
@@ -38,18 +45,18 @@ typedef struct IndexedModel {
   // Counts.
   uint32_t numTris;
   uint32_t numPositions;
-  uint32_t numNormals;
   uint32_t numTexcoords;
+  uint32_t numNormals;
   // Offsets.
   uint32_t offsetTris;
   uint32_t offsetPositions;
-  uint32_t offsetNormals;
   uint32_t offsetTexcoords;
+  uint32_t offsetNormals;
   /*
   [triangles] -- numTris      mdTri
   [positions] -- numPositions mdVec3
-  [normals]   -- numNormals   mdVec3
   [texcoords] -- numTexcoords mdVec2
+  [normals]   -- numNormals   mdVec3
   */
   uint8_t data[];
 } IndexedModel;
@@ -61,6 +68,7 @@ typedef enum ModelType {
 
 typedef struct Model {
   uint32_t type;
+  Material material;
   union {
     FlatModel    flat;
     IndexedModel indexed;
-- 
cgit v1.2.3