From e96f70d88fcecafb2b9c0aa36d177b1c0fb3ff22 Mon Sep 17 00:00:00 2001
From: bloeys <bloeys@outlook.com>
Date: Fri, 19 Nov 2021 13:40:09 +0400
Subject: [PATCH] Parse materials

---
 asig/asig.go     | 38 ++++++++++++++++++++++++++++++++++++++
 asig/material.go |  2 +-
 2 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/asig/asig.go b/asig/asig.go
index de30424..0cc28be 100755
--- a/asig/asig.go
+++ b/asig/asig.go
@@ -74,6 +74,7 @@ func parseScene(cs *C.struct_aiScene) *Scene {
 	s := &Scene{}
 	s.Flags = SceneFlag(cs.mFlags)
 	s.Meshes = parseMeshes(cs.mMeshes, uint(cs.mNumMeshes))
+	s.Materials = parseMaterials(cs.mMaterials, uint(cs.mNumMaterials))
 
 	return s
 }
@@ -339,3 +340,40 @@ func parseColors(cv *C.struct_aiColor4D, count uint) []gglm.Vec4 {
 
 	return verts
 }
+
+func parseMaterials(cMatsIn **C.struct_aiMaterial, count uint) []*Material {
+
+	mats := make([]*Material, count)
+	cMats := unsafe.Slice(cMatsIn, count)
+
+	for i := 0; i < int(count); i++ {
+
+		mats[i] = &Material{
+			Properties:       parseMatProperties(cMats[i].mProperties, uint(cMats[i].mNumProperties)),
+			AllocatedStorage: uint(cMats[i].mNumAllocated),
+		}
+	}
+
+	return mats
+}
+
+func parseMatProperties(cMatPropsIn **C.struct_aiMaterialProperty, count uint) []*MaterialProperty {
+
+	matProps := make([]*MaterialProperty, count)
+	cMatProps := unsafe.Slice(cMatPropsIn, count)
+
+	for i := 0; i < int(count); i++ {
+
+		cmp := cMatProps[i]
+
+		matProps[i] = &MaterialProperty{
+			name:     parseAiString(cmp.mKey),
+			Semantic: TextureType(cmp.mSemantic),
+			Index:    uint(cmp.mIndex),
+			TypeInfo: MatPropertyTypeInfo(cmp.mType),
+			Data:     C.GoBytes(unsafe.Pointer(cmp.mData), C.int(cmp.mDataLength)),
+		}
+	}
+
+	return matProps
+}
diff --git a/asig/material.go b/asig/material.go
index 7e016de..38246bf 100755
--- a/asig/material.go
+++ b/asig/material.go
@@ -6,7 +6,7 @@ type Material struct {
 	Properties []*MaterialProperty
 
 	/** Storage allocated */
-	NumAllocated uint
+	AllocatedStorage uint
 }
 
 type MaterialProperty struct {