Guarded assimp-related code

openVulkanoCpp/Scene/MeshWriter.cpp

@@ -16,10 +16,13 @@
 
 #include <fstream>
 #include <fmt/core.h>
+
+#if __has_include("assimp/Exporter.hpp")
 #include <assimp/scene.h>
 #include <assimp/Exporter.hpp>
 #include <assimp/mesh.h>
 #include <assimp/material.h>
+#endif
 
 namespace OpenVulkano::Scene
 {
@@ -89,6 +92,7 @@ namespace OpenVulkano::Scene
 
 	void MeshWriter::WriteAsFBX(Geometry* geometry, const std::string& texturePath, const std::string& fbxPath)
 	{
+#if __has_include("assimp/Exporter.hpp")
 		aiNode rootNode;
 
 		aiScene scene;
@@ -177,5 +181,8 @@ namespace OpenVulkano::Scene
 		{
 			throw std::runtime_error("Unable to write a fbx file to " + fbxPath + ": " + exporter.GetErrorString());
 		}
+#else
+		throw std::runtime_error("Unable to convert the scene to FBX: Assimp is not available!");
+#endif
 	}
 }