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Add a node editor.
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,138 @@ | ||
| #pragma once | ||
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| #include "logging/LoggingAll.h" | ||
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| #include "rendering/ui/UIContainer.h" | ||
| #include "rendering/ui/UIVisitors.h" | ||
| #include "rendering/ui/UIWindow.h" | ||
| #include "rendering/ui/UICreator.h" | ||
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| #include "nodegraph/NodeGraph.h" | ||
| #include "nodegraph/NodeGraphOperations.h" | ||
| #include "nodegraph/NodeGraphSchema.h" | ||
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| #include <functional> | ||
| #include <vector> | ||
| #include <set> | ||
| #include <string> | ||
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| namespace l::ui { | ||
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| struct UINodeDesc { | ||
| std::string_view GetTypeName() { | ||
| return mTypeName; | ||
| } | ||
| std::string_view GetName() { | ||
| return mName; | ||
| } | ||
| int32_t GetId() { | ||
| return mId; | ||
| } | ||
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| int32_t mId; | ||
| std::string mName; | ||
| std::string mTypeName; | ||
| }; | ||
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| class UINodeEditor : public UIBase { | ||
| public: | ||
| UINodeEditor(std::string_view editorName) : mUIWindow(editorName), mLinkIOVisitor(mUIStorage, mNGSchema) { | ||
| mUIRoot = CreateContainer(mUIStorage, l::ui::UIContainer_DragFlag | l::ui::UIContainer_ZoomFlag); | ||
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| mRegisteredNodeTypes.push_back({ 0, "Add", "Numerical" }); | ||
| mRegisteredNodeTypes.push_back({ 1, "Subtract", "Numerical" }); | ||
| mRegisteredNodeTypes.push_back({ 2, "Negate", "Numerical" }); | ||
| mRegisteredNodeTypes.push_back({ 3, "Multiply", "Numerical" }); | ||
| mRegisteredNodeTypes.push_back({ 4, "Integral", "Numerical" }); | ||
| mRegisteredNodeTypes.push_back({ 20, "And", "Logical" }); | ||
| mRegisteredNodeTypes.push_back({ 21, "Or", "Logical" }); | ||
| mRegisteredNodeTypes.push_back({ 22, "Xor", "Logical" }); | ||
| mRegisteredNodeTypes.push_back({ 40, "Lowpass Filter", "" }); | ||
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| mUIWindow.SetContentWindow([&]() { | ||
| ImGui::PushItemWidth(400); | ||
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| UIDraw uiDrawVisitor(ImGui::GetWindowDrawList()); | ||
| UIUpdate updateVisitor; | ||
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| mUIRoot->SetLayoutSize(mUIWindow.GetSize()); | ||
| mUIRoot->SetLayoutPosition(mUIWindow.GetPosition()); | ||
| mUIRoot->Accept(updateVisitor, mUIInput, l::ui::UITraversalMode::BFS); | ||
| mUIRoot->Accept(uiDrawVisitor, mUIInput, l::ui::UITraversalMode::BFS); | ||
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| ImGui::PopItemWidth(); | ||
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| }); | ||
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| mUIWindow.SetPointerPopup([&]() { | ||
| ImGui::Text("Node picker"); | ||
| ImGui::Separator(); | ||
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| std::set<std::string> nodeTypes; | ||
| for (auto nodeType : mRegisteredNodeTypes) { | ||
| nodeTypes.emplace(nodeType.GetTypeName()); | ||
| } | ||
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| for (auto it = nodeTypes.rbegin(); it != nodeTypes.rend(); it++) { | ||
| if (it->empty() || ImGui::TreeNode(it->c_str())) { | ||
| for (auto& nodedesc : mRegisteredNodeTypes) { | ||
| if (*it != nodedesc.GetTypeName()) { | ||
| continue; | ||
| } | ||
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| if (ImGui::MenuItem(nodedesc.GetName().data())) { | ||
| ImVec2 p = ImVec2(mUIInput.mCurPos.x - mUIWindow.GetPosition().x, mUIInput.mCurPos.y - mUIWindow.GetPosition().y); | ||
| p.x -= mUIRoot->GetPosition().x; | ||
| p.y -= mUIRoot->GetPosition().y; | ||
| p.x /= mUIRoot->GetScale(); | ||
| p.y /= mUIRoot->GetScale(); | ||
| p.x -= 3.0f; | ||
| p.y -= 3.0f; | ||
| auto nodeId = mNGSchema.NewNode(nodedesc.GetId()); | ||
| auto node = mNGSchema.GetNode(nodeId); | ||
| if (node != nullptr) { | ||
| auto uiNode = l::ui::CreateUINode(mUIStorage, *node, p); | ||
| mUIRoot->Add(uiNode); | ||
| } | ||
| } | ||
| } | ||
| if (!it->empty()) { | ||
| ImGui::TreePop(); | ||
| } | ||
| } | ||
| } | ||
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| }); | ||
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| } | ||
| ~UINodeEditor() = default; | ||
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| void Show() override; | ||
| bool IsShowing() override; | ||
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| void Open(); | ||
| void Close(); | ||
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| void Update(); | ||
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| protected: | ||
| UIWindow mUIWindow; | ||
| UIStorage mUIStorage; | ||
| UIHandle mUIRoot; | ||
| InputState mUIInput; | ||
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| l::nodegraph::NodeGraphSchema mNGSchema; | ||
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| std::vector<UINodeDesc> mRegisteredNodeTypes; | ||
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| UIZoom mZoomVisitor; | ||
| UIDrag mDragVisitor; | ||
| UIMove mMoveVisitor; | ||
| UIResize mResizeVisitor; | ||
| UILinkIO mLinkIOVisitor; | ||
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| }; | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| #include "rendering/ui/UINodeEditor.h" | ||
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| #include <memory> | ||
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| namespace l::ui { | ||
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| bool UINodeEditor::IsShowing() { | ||
| return mUIWindow.IsShowing(); | ||
| } | ||
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| void UINodeEditor::Show() { | ||
| mUIWindow.Show(); | ||
| } | ||
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| void UINodeEditor::Open() { | ||
| mUIWindow.Open(); | ||
| } | ||
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| void UINodeEditor::Close() { | ||
| mUIWindow.Close(); | ||
| } | ||
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| void UINodeEditor::Update() { | ||
| if (mUIWindow.IsShowing()) { | ||
| ImGuiIO& io = ImGui::GetIO(); | ||
| io.ConfigWindowsMoveFromTitleBarOnly = true; | ||
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| mUIInput.mCurPos = io.MousePos; | ||
| mUIInput.mPrevPos = io.MousePosPrev; | ||
| mUIInput.mScroll = io.MouseWheel; | ||
| mUIInput.mStarted = ImGui::IsMouseClicked(ImGuiMouseButton_Left); | ||
| mUIInput.mStopped = ImGui::IsMouseReleased(ImGuiMouseButton_Left); | ||
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| if (mUIWindow.IsHovered()) { | ||
| if (mUIRoot->Accept(mLinkIOVisitor, mUIInput, l::ui::UITraversalMode::DFS)) { | ||
| } | ||
| else if (mUIRoot->Accept(mResizeVisitor, mUIInput, l::ui::UITraversalMode::DFS)) { | ||
| } | ||
| else if (mUIRoot->Accept(mMoveVisitor, mUIInput, l::ui::UITraversalMode::DFS)) { | ||
| } | ||
| else if (mUIRoot->Accept(mZoomVisitor, mUIInput, l::ui::UITraversalMode::DFS)) { | ||
| } | ||
| else if (mUIRoot->Accept(mDragVisitor, mUIInput, l::ui::UITraversalMode::DFS)) { | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| } |
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