Handle (embedded)textures

asig/material.go

@@ -24,6 +24,10 @@ enum aiReturn aiGetMaterialTexture(
     unsigned int* flags);
 */
 import "C"
+import (
+	"errors"
+	"fmt"
+)
 
 type Material struct {
 	cMat *C.struct_aiMaterial
@@ -59,12 +63,35 @@ type MaterialProperty struct {
 	 */
 	TypeInfo MatPropertyTypeInfo
 
-	/** Binary buffer to hold the property's value.
-	 * The size of the buffer is always mDataLength.
-	 */
+	//Binary buffer to hold the property's value.
 	Data []byte
 }
 
 func GetMaterialTextureCount(m *Material, texType TextureType) int {
 	return int(C.aiGetMaterialTextureCount(m.cMat, uint32(texType)))
 }
+
+type GetMatTexInfo struct {
+	Path string
+}
+
+func GetMaterialTexture(m *Material, texType TextureType, texIndex uint) (*GetMatTexInfo, error) {
+
+	outCPath := &C.struct_aiString{}
+	status := aiReturn(C.aiGetMaterialTexture(m.cMat, uint32(texType), C.uint(texIndex), outCPath, nil, nil, nil, nil, nil, nil))
+	if status == aiReturnSuccess {
+		return &GetMatTexInfo{
+			Path: parseAiString(*outCPath),
+		}, nil
+	}
+
+	if status == aiReturnFailure {
+		return nil, errors.New("get texture failed: " + getAiErr().Error())
+	}
+
+	if status == aiReturnOutofMemory {
+		return nil, errors.New("get texture failed: out of memory")
+	}
+
+	return nil, errors.New("get texture failed: unknown error with code " + fmt.Sprintf("%v", status))
+}