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feat(editor): selected object name labels in viewport

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Kelsi 2026-05-05 07:16:52 -07:00
parent 2ed521a8f7
commit 8aee357a34
1 changed files with 20 additions and 1 deletions
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21
tools/editor/editor_ui.cpp
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@ -51,7 +51,26 @@ void EditorUI::render(EditorApp& app) {
renderPropertiesPanel(app);
renderStatusBar(app);
// NPC name labels in viewport (screen-space text above markers)
// Object/NPC name labels in viewport (screen-space text)
if (app.hasTerrainLoaded() && app.getObjectPlacer().objectCount() > 0) {
auto& cam0 = app.getEditorCamera().getCamera();
auto vp0 = ImGui::GetMainViewport();
glm::mat4 vp0m = cam0.getProjectionMatrix() * cam0.getViewMatrix();
for (const auto& obj : app.getObjectPlacer().getObjects()) {
if (!obj.selected) continue; // only show label for selected objects
glm::vec4 clip = vp0m * glm::vec4(obj.position.x, obj.position.y, obj.position.z + 10.0f, 1.0f);
if (clip.w <= 0.01f) continue;
glm::vec3 ndc = glm::vec3(clip) / clip.w;
float sx = (ndc.x * 0.5f + 0.5f) * vp0->Size.x;
float sy = (ndc.y * 0.5f + 0.5f) * vp0->Size.y;
if (sx < 0 || sx > vp0->Size.x || sy < 0 || sy > vp0->Size.y) continue;
std::string disp = obj.path;
auto sl = disp.rfind('\\');
if (sl != std::string::npos) disp = disp.substr(sl + 1);
ImGui::GetForegroundDrawList()->AddText(ImVec2(sx - 40, sy - 10),
IM_COL32(255, 220, 50, 220), disp.c_str());
}
}
if (app.hasTerrainLoaded() && app.getNpcSpawner().spawnCount() > 0) {
auto& cam = app.getEditorCamera().getCamera();
auto vp2 = ImGui::GetMainViewport();