Add include guards and header comments to sources

4 files changed, 33 insertions, 5 deletions

diff --git a/src/core/resource/image.cc b/src/core/resource/image.cc
index 6a2109e..aded098 100644
--- a/src/core/resource/image.cc
+++ b/src/core/resource/image.cc
@@ -1,3 +1,8 @@
+// SPDX-License-Identifier: BSD-2-Clause
+// Copyright (c) 2025 Kirill Dmitrievich
+// File: image.cc
+// Description: Image resource
+
 #include "core/pch.hh"
 
 #include "core/resource/image.hh"
@@ -31,18 +36,18 @@ static const void* image_load_func(const char* name, std::uint32_t flags)
     callbacks.skip = &stbi_physfs_skip;
     callbacks.eof = &stbi_physfs_eof;
 
-    stbi_set_flip_vertically_on_load(bool(flags & IMAGE_LOAD_FLIP));
+    stbi_set_flip_vertically_on_load(bool(flags & IMGFLAG_FLIP));
 
     auto file = PHYSFS_openRead(name);
 
     if(file == nullptr) {
-        spdlog::error("image: {}: {}", name, physfs_error());
+        spdlog::error("image: {}: {}", name, physfs::last_error());
         return nullptr;
     }
 
     int desired_channels;
 
-    if(flags & IMAGE_LOAD_GRAY) {
+    if(flags & IMGFLAG_GRAY) {
         desired_channels = STBI_grey;
     }
     else {
diff --git a/src/core/resource/image.hh b/src/core/resource/image.hh
index 575591f..4f93da6 100644
--- a/src/core/resource/image.hh
+++ b/src/core/resource/image.hh
@@ -1,7 +1,14 @@
+// SPDX-License-Identifier: BSD-2-Clause
+// Copyright (c) 2025 Kirill Dmitrievich
+// File: image.hh
+// Description: Image resource
+
+#ifndef CORE_RESOURCE_IMAGE_HH
+#define CORE_RESOURCE_IMAGE_HH
 #pragma once
 
-constexpr static unsigned int IMAGE_LOAD_GRAY = 0x0001U;
-constexpr static unsigned int IMAGE_LOAD_FLIP = 0x0002U;
+constexpr static unsigned int IMGFLAG_GRAY = 0x0001U;
+constexpr static unsigned int IMGFLAG_FLIP = 0x0002U;
 
 struct Image final {
     static void register_resource(void);
@@ -9,3 +16,5 @@ struct Image final {
     stbi_uc* pixels;
     glm::ivec2 size;
 };
+
+#endif
diff --git a/src/core/resource/resource.cc b/src/core/resource/resource.cc
index 926dfc5..6a9539f 100644
--- a/src/core/resource/resource.cc
+++ b/src/core/resource/resource.cc
@@ -1,3 +1,8 @@
+// SPDX-License-Identifier: BSD-2-Clause
+// Copyright (c) 2025 Kirill Dmitrievich
+// File: resource.cc
+// Description: Resource management
+
 #include "core/pch.hh"
 
 #include "core/resource/resource.hh"
diff --git a/src/core/resource/resource.hh b/src/core/resource/resource.hh
index 105c7ff..e2a5659 100644
--- a/src/core/resource/resource.hh
+++ b/src/core/resource/resource.hh
@@ -1,3 +1,10 @@
+// SPDX-License-Identifier: BSD-2-Clause
+// Copyright (c) 2025 Kirill Dmitrievich
+// File: resource.hh
+// Description: Resource management
+
+#ifndef CORE_RESOURCE_RESOURCE_HH
+#define CORE_RESOURCE_RESOURCE_HH
 #pragma once
 
 template<typename T>
@@ -51,3 +58,5 @@ resource_ptr<T> resource::find(std::string_view name)
     auto result = resource::detail::find_resource(typeid(T), name);
     return std::reinterpret_pointer_cast<const T>(result);
 }
+
+#endif