Import material textures with mesh assets

engine/src/Resources/Mesh/Mesh.cpp

@@ -1,4 +1,6 @@
 #include <XCEngine/Resources/Mesh/Mesh.h>
+#include <XCEngine/Resources/Material/Material.h>
+#include <XCEngine/Resources/Texture/Texture.h>
 #include <cstring>
 
 namespace XCEngine {
@@ -11,6 +13,8 @@ void Mesh::Release() {
     m_vertexData.Clear();
     m_indexData.Clear();
     m_sections.Clear();
+    m_materials.Clear();
+    m_textures.Clear();
     m_vertexCount = 0;
     m_vertexStride = 0;
     m_attributes = VertexAttribute::Position;
@@ -52,10 +56,41 @@ void Mesh::AddSection(const MeshSection& section) {
     UpdateMemorySize();
 }
 
+void Mesh::AddMaterial(Material* material) {
+    m_materials.PushBack(material);
+    UpdateMemorySize();
+}
+
+void Mesh::AddTexture(Texture* texture) {
+    m_textures.PushBack(texture);
+    UpdateMemorySize();
+}
+
+Material* Mesh::GetMaterial(Core::uint32 index) const {
+    if (index >= m_materials.Size()) {
+        return nullptr;
+    }
+    return m_materials[index];
+}
+
 void Mesh::UpdateMemorySize() {
     m_memorySize = m_vertexData.Size() +
                    m_indexData.Size() +
-                   m_sections.Size() * sizeof(MeshSection);
+                   m_sections.Size() * sizeof(MeshSection) +
+                   m_materials.Size() * sizeof(Material*) +
+                   m_textures.Size() * sizeof(Texture*);
+
+    for (const Material* material : m_materials) {
+        if (material != nullptr) {
+            m_memorySize += material->GetMemorySize();
+        }
+    }
+
+    for (const Texture* texture : m_textures) {
+        if (texture != nullptr) {
+            m_memorySize += texture->GetMemorySize();
+        }
+    }
 }
 
 } // namespace Resources