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SHADE_Y3
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Hierarchy QOL 

Undo/Redo Parent Child
Shift select
Undo/Redo create entity
This commit is contained in:
Sri Sham Haran 2022-10-17 21:25:59 +08:00
parent 7fc417e35a
commit ec6772657f
5 changed files with 155 additions and 21 deletions
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1
SHADE_Engine/src/Editor/Command/SHCommand.hpp
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@ -24,6 +24,7 @@ namespace SHADE
class SHCommand : SHBaseCommand
{
public:
using SHCommandPtr = std::unique_ptr<T>;
typedef std::function<void(T const&)> SetterFunction;
SHCommand(T const& oldVal, T const& value, SetterFunction setFnc)

6
SHADE_Engine/src/Editor/Command/SHCommandManager.cpp
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@ -13,7 +13,7 @@ namespace SHADE
SHCommandManager::CommandStack SHCommandManager::undoStack{};
SHCommandManager::CommandStack SHCommandManager::redoStack{};
void SHCommandManager::PerformCommand(CommandPtr commandPtr, bool const& overrideValue)
void SHCommandManager::PerformCommand(BaseCommandPtr commandPtr, bool const& overrideValue)
{
redoStack = CommandStack();
commandPtr->Execute();
@ -27,9 +27,9 @@ namespace SHADE
}
}
void SHCommandManager::RegisterCommand(CommandPtr commandPtr)
void SHCommandManager::RegisterCommand(BaseCommandPtr commandPtr)
{
undoStack.push(commandPtr);
undoStack.push(commandPtr);
}
void SHCommandManager::UndoCommand()

10
SHADE_Engine/src/Editor/Command/SHCommandManager.h
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@ -19,11 +19,13 @@ namespace SHADE
//#==============================================================#
//|| Type Aliases ||
//#==============================================================#
using CommandPtr = std::shared_ptr<SHBaseCommand>;
using CommandStack = std::stack<CommandPtr>;
using BaseCommandPtr = std::shared_ptr<SHBaseCommand>;
template<typename T>
using SHCommandPtr = std::shared_ptr<SHCommand<T>>;
using CommandStack = std::stack<BaseCommandPtr>;
static void PerformCommand(CommandPtr commandPtr, bool const& overrideValue = false);
static void RegisterCommand(CommandPtr commandPtr);
static void PerformCommand(BaseCommandPtr commandPtr, bool const& overrideValue = false);
static void RegisterCommand(BaseCommandPtr commandPtr);
static void UndoCommand();
static void RedoCommand();
static std::size_t GetUndoStackSize();

125
SHADE_Engine/src/Editor/EditorWindow/HierarchyPanel/SHHierarchyPanel.cpp
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@ -50,6 +50,7 @@ namespace SHADE
if(const auto root = sceneGraph.GetRoot())
{
auto const& children = root->GetChildren();
for (const auto child : children)
{
RecursivelyDrawEntityNode(child);
@ -102,7 +103,7 @@ namespace SHADE
}
if (ImGui::SmallButton(ICON_MD_ADD_CIRCLE))
{
SHEntityManager::CreateEntity();
SHCommandManager::PerformCommand(std::make_shared<SHCreateEntityCommand>());
}
if (ImGui::IsItemHovered())
{
@ -142,13 +143,24 @@ namespace SHADE
auto* entity = SHEntityManager::GetEntityByID(currentNode->GetEntityID());
//Draw Node
bool isNodeOpen = ImGui::TreeNodeEx(reinterpret_cast<void*>(entity), nodeFlags, "%u: %s", EntityHandleGenerator::GetIndex(eid), entity->name.c_str());
bool isNodeOpen = ImGui::TreeNodeEx(reinterpret_cast<void*>(entity), nodeFlags, "%u: %s", SHEntityManager::GetEntityIndex(eid), entity->name.c_str());
const ImRect nodeRect = ImRect(ImGui::GetItemRectMin(), ImGui::GetItemRectMax());
//Check For Begin Drag
if (SHDragDrop::BeginSource())
{
ImGui::Text("Moving EID: %zu", eid);
std::string moveLabel = "Moving EID: ";
if(!isSelected)
editor->selectedEntities.push_back(eid);
for(int i = 0; i < static_cast<int>(editor->selectedEntities.size()); ++i)
{
moveLabel.append(std::to_string(editor->selectedEntities[i]));
if(i + 1 < static_cast<int>(editor->selectedEntities.size()))
{
moveLabel.append(", ");
}
}
ImGui::Text(moveLabel.c_str());
SHDragDrop::SetPayload<std::vector<EntityID>>(DRAG_EID, &editor->selectedEntities);
SHDragDrop::EndSource();
}
@ -156,14 +168,7 @@ namespace SHADE
{
if (const std::vector<EntityID>* eidPayload = SHDragDrop::AcceptPayload<std::vector<EntityID>>(DRAG_EID)) //If payload is valid
{
std::vector<EntityID> const droppedEIDs = *eidPayload;
for(auto const& dropEID : droppedEIDs)
{
if(!sceneGraph.GetChild(dropEID, eid))
sceneGraph.SetParent(dropEID, eid);
}
//if(!sceneGraph.GetChild(dropEID, eid))
// sceneGraph.SetParent(dropEID, eid); //Set dropEID parent to eid (belonging to current Node)
ParentSelectedEntities(eid);
SHDragDrop::EndTarget();
}
}
@ -183,7 +188,7 @@ namespace SHADE
if((currentNode->GetParent() != sceneGraph.GetRoot()) && ImGui::Selectable(std::format("{} Unparent Selected", ICON_MD_NORTH_WEST).data()))
{
sceneGraph.SetParent(currentNode->GetEntityID(), nullptr);
ParentSelectedEntities(MAX_EID);
}
ImGui::EndPopup();
}
@ -195,7 +200,15 @@ namespace SHADE
{
if (!isSelected)
{
if (!ImGui::IsKeyDown(ImGuiKey_LeftCtrl))
if(ImGui::IsKeyDown(ImGuiKey_LeftShift))
{
if(editor->selectedEntities.size() >= 1)
{
SelectRangeOfEntities(editor->selectedEntities[0], eid);
}
else editor->selectedEntities.clear();
}
else if (!ImGui::IsKeyDown(ImGuiKey_LeftCtrl))
editor->selectedEntities.clear();
editor->selectedEntities.push_back(eid);
}//if not selected
@ -242,4 +255,90 @@ namespace SHADE
{
SHEntityManager::CreateEntity(MAX_EID, "DefaultChild", parentEID);
}
void SHHierarchyPanel::ParentSelectedEntities(EntityID parentEID) const noexcept
{
auto const& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
auto const editor = SHSystemManager::GetSystem<SHEditor>();
SHEntityParentCommand::EntityParentData entityParentData;
std::vector<EntityID> parentedEIDS;
for(auto const& eid : editor->selectedEntities)
{
if(sceneGraph.GetChild(eid, parentEID) == nullptr)
{
parentedEIDS.push_back(eid);
if(auto parent = sceneGraph.GetParent(eid))
entityParentData[eid].oldParentEID = parent->GetEntityID();
entityParentData[eid].newParentEID = parentEID;
}
}
SHCommandManager::PerformCommand(std::make_shared<SHEntityParentCommand>(parentedEIDS, entityParentData));
}
void SHHierarchyPanel::SelectRangeOfEntities(EntityID beginEID, EntityID endEID)
{
bool startSelecting = false; bool endSelecting = false;
auto const editor = SHSystemManager::GetSystem<SHEditor>();
editor->selectedEntities.clear();
auto const& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
sceneGraph.Traverse([&](SHSceneNode* nodePtr)
{
auto eid = nodePtr->GetEntityID();
if(!startSelecting)
{
if(eid == beginEID || eid == endEID)
{
startSelecting = true;
editor->selectedEntities.push_back(eid);
}
}
else
{
if(!endSelecting)
{
editor->selectedEntities.push_back(eid);
if(eid == endEID || eid == beginEID)
{
endSelecting = true;
}
}
}
});
}
void SHCreateEntityCommand::Execute()
{
EntityID newEID = SHEntityManager::CreateEntity(eid);
if(eid == MAX_EID)
eid = newEID;
}
void SHCreateEntityCommand::Undo()
{
SHEntityManager::DestroyEntity(eid);
}
void SHEntityParentCommand::Execute()
{
auto const& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
for(auto const& eid : entities)
{
if(entityParentData[eid].newParentEID == MAX_EID)
sceneGraph.SetParent(eid, nullptr);
else
sceneGraph.SetParent(eid, entityParentData[eid].newParentEID);
}
}
void SHEntityParentCommand::Undo()
{
auto const& sceneGraph = SHSceneManager::GetCurrentSceneGraph();
for(auto const& eid : entities)
{
if(entityParentData[eid].oldParentEID == MAX_EID)
sceneGraph.SetParent(eid, nullptr);
else
sceneGraph.SetParent(eid, entityParentData[eid].oldParentEID);
}
}
}//namespace SHADE

34
SHADE_Engine/src/Editor/EditorWindow/HierarchyPanel/SHHierarchyPanel.h
View File

@ -10,7 +10,7 @@
#include "imgui_internal.h"
#include "ECS_Base/SHECSMacros.h"
#include "Editor/EditorWindow/SHEditorWindow.h"
#include "Editor/Command/SHCommand.hpp"
namespace SHADE
{
class SHSceneNode;
@ -28,8 +28,40 @@ namespace SHADE
void DrawMenuBar() const noexcept;
ImRect RecursivelyDrawEntityNode(SHSceneNode*);
void CreateChildEntity(EntityID parentEID) const noexcept;
void ParentSelectedEntities(EntityID parentEID) const noexcept;
void SelectRangeOfEntities(EntityID beginEID, EntityID EndEID);
std::string filter;
bool isAnyNodeSelected = false;
EntityID scrollTo = MAX_EID;
};//class SHHierarchyPanel
//Might move to a different file
class SHCreateEntityCommand final : public SHBaseCommand
{
public:
void Execute() override;
void Undo() override;
private:
EntityID eid = MAX_EID;
};
class SHEntityParentCommand final : public SHBaseCommand
{
public:
struct Data
{
EntityID oldParentEID = MAX_EID;
EntityID newParentEID = MAX_EID;
};
using EntityParentData = std::unordered_map<EntityID, Data>;
SHEntityParentCommand(std::vector<EntityID> entityIDs, EntityParentData inEntityParentData):entities(entityIDs),entityParentData(inEntityParentData){}
void Execute() override;
void Undo() override;
private:
std::vector<EntityID> entities;
std::unordered_map<EntityID, Data> entityParentData;
};
}//namespace SHADE