chore: checkpoint current workspace changes

new_editor/app/Icons/ProductBuiltInIcons.cpp

@@ -0,0 +1,94 @@
+#include "ProductBuiltInIcons.h"
+
+#include <sstream>
+
+namespace XCEngine::UI::Editor::App {
+
+namespace {
+
+void AppendLoadError(
+    std::ostringstream& stream,
+    std::string_view label,
+    const std::string& error) {
+    if (error.empty()) {
+        return;
+    }
+
+    if (stream.tellp() > 0) {
+        stream << '\n';
+    }
+    stream << label << ": " << error;
+}
+
+} // namespace
+
+void ProductBuiltInIcons::Initialize(
+    Host::NativeRenderer& renderer,
+    const std::filesystem::path& repoRoot) {
+    Shutdown();
+
+    m_renderer = &renderer;
+    m_repoRoot = repoRoot.lexically_normal();
+
+    std::ostringstream errorStream = {};
+    std::string error = {};
+    if (!m_renderer->LoadTextureFromFile(ResolveFolderIconPath(), m_folderIcon, error)) {
+        AppendLoadError(errorStream, "folder_icon.png", error);
+    }
+
+    error.clear();
+    if (!m_renderer->LoadTextureFromFile(ResolveGameObjectIconPath(), m_gameObjectIcon, error)) {
+        AppendLoadError(errorStream, "gameobject_icon.png", error);
+    }
+
+    error.clear();
+    if (!m_renderer->LoadTextureFromFile(ResolveSceneIconPath(), m_sceneIcon, error)) {
+        AppendLoadError(errorStream, "scene_icon.png", error);
+    }
+
+    m_lastError = errorStream.str();
+}
+
+void ProductBuiltInIcons::Shutdown() {
+    if (m_renderer != nullptr) {
+        m_renderer->ReleaseTexture(m_folderIcon);
+        m_renderer->ReleaseTexture(m_gameObjectIcon);
+        m_renderer->ReleaseTexture(m_sceneIcon);
+    }
+
+    m_renderer = nullptr;
+    m_repoRoot.clear();
+    m_lastError.clear();
+}
+
+const ::XCEngine::UI::UITextureHandle& ProductBuiltInIcons::Resolve(
+    ProductBuiltInIconKind kind) const {
+    switch (kind) {
+    case ProductBuiltInIconKind::Folder:
+        return m_folderIcon;
+    case ProductBuiltInIconKind::GameObject:
+        return m_gameObjectIcon;
+    case ProductBuiltInIconKind::Scene:
+        return m_sceneIcon;
+    default:
+        return m_folderIcon;
+    }
+}
+
+const std::string& ProductBuiltInIcons::GetLastError() const {
+    return m_lastError;
+}
+
+std::filesystem::path ProductBuiltInIcons::ResolveFolderIconPath() const {
+    return (m_repoRoot / "editor/resources/Icons/folder_icon.png").lexically_normal();
+}
+
+std::filesystem::path ProductBuiltInIcons::ResolveGameObjectIconPath() const {
+    return (m_repoRoot / "editor/resources/Icons/gameobject_icon.png").lexically_normal();
+}
+
+std::filesystem::path ProductBuiltInIcons::ResolveSceneIconPath() const {
+    return (m_repoRoot / "editor/resources/Icons/scene_icon.png").lexically_normal();
+}
+
+} // namespace XCEngine::UI::Editor::App