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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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21
SHADE_Engine/src/Editor/EditorWindow/HierarchyPanel/SHHierarchyPanel.cpp
View File

@ -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(); ImGui::End();
} }
@ -195,7 +201,7 @@ namespace SHADE
if (SHDragDrop::BeginSource()) if (SHDragDrop::BeginSource())
{ {
std::string moveLabel = "Moving EID: "; std::string moveLabel = "Moving EID: ";
static std::vector<EntityID> draggingEntities = editor->selectedEntities; draggingEntities = editor->selectedEntities;
if (!isSelected) if (!isSelected)
{ {
draggingEntities.clear(); 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 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(); SHDragDrop::EndTarget();
} }
} }
@ -255,7 +262,7 @@ namespace SHADE
if ((currentNode->GetParent() != sceneGraph.GetRoot()) && ImGui::Selectable(std::format("{} Unparent Selected", ICON_MD_NORTH_WEST).data())) 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(); ImGui::EndPopup();
} }
@ -323,14 +330,16 @@ namespace SHADE
SHEntityManager::CreateEntity(MAX_EID, "DefaultChild", parentEID); 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& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
auto const editor = SHSystemManager::GetSystem<SHEditor>(); //auto const editor = SHSystemManager::GetSystem<SHEditor>();
SHEntityParentCommand::EntityParentData entityParentData; SHEntityParentCommand::EntityParentData entityParentData;
std::vector<EntityID> parentedEIDS; 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) if (sceneGraph.GetChild(eid, parentEID) == nullptr)
{ {
parentedEIDS.push_back(eid); 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; void DrawMenuBar() const noexcept;
ImRect RecursivelyDrawEntityNode(SHSceneNode* const); ImRect RecursivelyDrawEntityNode(SHSceneNode* const);
void CreateChildEntity(EntityID parentEID) const noexcept; 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 SelectRangeOfEntities(EntityID beginEID, EntityID EndEID);
void SelectAllEntities(); void SelectAllEntities();
void CopySelectedEntities(); void CopySelectedEntities();
@ -37,6 +37,8 @@ namespace SHADE
std::string filter; std::string filter;
bool isAnyNodeSelected = false; bool isAnyNodeSelected = false;
EntityID scrollTo = MAX_EID; EntityID scrollTo = MAX_EID;
std::vector<EntityID> draggingEntities;
};//class SHHierarchyPanel };//class SHHierarchyPanel
//Might move to a different file //Might move to a different file