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Fix drag-drop parenting issue 

Users can now drop onto empty space in hierarchy panel to unparent
This commit is contained in:
Sri Sham Haran 2022-11-04 16:09:15 +08:00
parent 74b9882024
commit 2b34e8c13b
2 changed files with 19 additions and 8 deletions
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23
SHADE_Engine/src/Editor/EditorWindow/HierarchyPanel/SHHierarchyPanel.cpp
View File

@ -45,7 +45,7 @@ namespace SHADE
SHEditorWindow::Update();
isAnyNodeSelected = false;
if (Begin())
{
if (skipFrame)
@ -108,6 +108,12 @@ namespace SHADE
}
}
if(ImGui::IsWindowHovered() && !ImGui::IsAnyItemHovered() && ImGui::IsMouseReleased(ImGuiMouseButton_Left))
{
ParentSelectedEntities(MAX_EID, draggingEntities);
draggingEntities.clear();
ImGui::ClearDragDrop();
}
ImGui::End();
}
@ -195,7 +201,7 @@ namespace SHADE
if (SHDragDrop::BeginSource())
{
std::string moveLabel = "Moving EID: ";
static std::vector<EntityID> draggingEntities = editor->selectedEntities;
draggingEntities = editor->selectedEntities;
if (!isSelected)
{
draggingEntities.clear();
@ -217,7 +223,8 @@ namespace SHADE
{
if (const std::vector<EntityID>* eidPayload = SHDragDrop::AcceptPayload<std::vector<EntityID>>(SHDragDrop::DRAG_EID)) //If payload is valid
{
ParentSelectedEntities(eid);
ParentSelectedEntities(eid, draggingEntities);
draggingEntities.clear();
SHDragDrop::EndTarget();
}
}
@ -255,7 +262,7 @@ namespace SHADE
if ((currentNode->GetParent() != sceneGraph.GetRoot()) && ImGui::Selectable(std::format("{} Unparent Selected", ICON_MD_NORTH_WEST).data()))
{
ParentSelectedEntities(MAX_EID);
ParentSelectedEntities(MAX_EID, editor->selectedEntities);
}
ImGui::EndPopup();
}
@ -323,14 +330,16 @@ namespace SHADE
SHEntityManager::CreateEntity(MAX_EID, "DefaultChild", parentEID);
}
void SHHierarchyPanel::ParentSelectedEntities(EntityID parentEID) const noexcept
void SHHierarchyPanel::ParentSelectedEntities(EntityID parentEID, std::vector<EntityID> const& entities) const noexcept
{
auto const& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
auto const editor = SHSystemManager::GetSystem<SHEditor>();
//auto const editor = SHSystemManager::GetSystem<SHEditor>();
SHEntityParentCommand::EntityParentData entityParentData;
std::vector<EntityID> parentedEIDS;
for (auto const& eid : editor->selectedEntities)
for (auto const& eid : entities)
{
if(eid == parentEID)
continue;
if (sceneGraph.GetChild(eid, parentEID) == nullptr)
{
parentedEIDS.push_back(eid);

4
SHADE_Engine/src/Editor/EditorWindow/HierarchyPanel/SHHierarchyPanel.h
View File

@ -28,7 +28,7 @@ namespace SHADE
void DrawMenuBar() const noexcept;
ImRect RecursivelyDrawEntityNode(SHSceneNode* const);
void CreateChildEntity(EntityID parentEID) const noexcept;
void ParentSelectedEntities(EntityID parentEID) const noexcept;
void ParentSelectedEntities(EntityID parentEID, std::vector<EntityID> const& entities) const noexcept;
void SelectRangeOfEntities(EntityID beginEID, EntityID EndEID);
void SelectAllEntities();
void CopySelectedEntities();
@ -37,6 +37,8 @@ namespace SHADE
std::string filter;
bool isAnyNodeSelected = false;
EntityID scrollTo = MAX_EID;
std::vector<EntityID> draggingEntities;
};//class SHHierarchyPanel
//Might move to a different file