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Multi-model project support with sequential loading

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Introduce ModelHandle and per-model GeometryStreamers so multiple IFC
files can be loaded simultaneously. Object IDs are globally unique
(monotonically increasing across models). File picker is now multiselect.
Each model gets a top-level tree node. Property lookup uses the correct
model's ifcopenshell::file. ViewportWindow supports hide/show/remove
per model via model_id filtering in the frustum cull pass.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Dion Moult
2026-04-11 20:49:39 +10:00
parent 6f6bebf387
commit 83a3131276
7 changed files with 167 additions and 47 deletions
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src/ifcviewer/GeometryStreamer.cpp
+5 -2
View File
@@ -40,7 +40,7 @@ GeometryStreamer::~GeometryStreamer() {
}
}
void GeometryStreamer::loadFile(const std::string& path, int num_threads) {
void GeometryStreamer::loadFile(const std::string& path, uint32_t start_object_id, uint32_t model_id, int num_threads) {
if (running_.load()) {
cancel();
if (worker_thread_ && worker_thread_->isRunning()) {
@@ -52,7 +52,8 @@ void GeometryStreamer::loadFile(const std::string& path, int num_threads) {
cancel_requested_ = false;
running_ = true;
progress_ = 0;
next_object_id_ = 1;
next_object_id_ = start_object_id;
model_id_ = model_id;
{
std::lock_guard<std::mutex> lock(elements_mutex_);
@@ -139,6 +140,7 @@ void GeometryStreamer::run(const std::string& path, int num_threads) {
// Record element metadata
ElementInfo info;
info.object_id = object_id;
info.model_id = model_id_;
info.ifc_id = tri_elem->id();
info.guid = tri_elem->guid();
info.name = tri_elem->name();
@@ -201,6 +203,7 @@ static inline uint32_t packRGBA8(const MaterialInfo& m) {
UploadChunk GeometryStreamer::convertElement(const IfcGeom::TriangulationElement* elem, uint32_t object_id) {
UploadChunk chunk;
chunk.object_id = object_id;
chunk.model_id = model_id_;
const auto& geom = elem->geometry();
const auto& verts = geom.verts();