Changeset: 25 Reduce dependency between editor headers and main game headers

1 files changed, 827 insertions, 0 deletions

diff --git a/source/EditorCorePrivate.cpp b/source/EditorCorePrivate.cpp
new file mode 100644
index 0000000..35378ce
--- /dev/null
+++ b/source/EditorCorePrivate.cpp
@@ -0,0 +1,827 @@
+#include "EditorCorePrivate.hpp"
+
+#include "App.hpp"
+#include "AppConfig.hpp"
+#include "EditorAccessories.hpp"
+#include "EditorAttachmentImpl.hpp"
+#include "EditorCommandPalette.hpp"
+#include "EditorNotification.hpp"
+#include "EditorUtils.hpp"
+#include "GameObject.hpp"
+#include "Level.hpp"
+#include "Macros.hpp"
+#include "Mesh.hpp"
+#include "Player.hpp"
+#include "SceneThings.hpp"
+#include "ScopeGuard.hpp"
+#include "VertexIndex.hpp"
+#include "YCombinator.hpp"
+
+#define GLFW_INCLUDE_NONE
+#include <GLFW/glfw3.h>
+
+#include <imgui.h>
+#include <misc/cpp/imgui_stdlib.h>
+#include <cstddef>
+#include <cstdint>
+#include <cstdlib>
+#include <functional>
+#include <limits>
+#include <memory>
+#include <string>
+#include <string_view>
+#include <utility>
+
+using namespace std::literals;
+
+void EditorInspector::SelectTarget(TargetType type, void* object) {
+	selectedItt = type;
+	selectedItPtr = object;
+	renaming = false;
+	renamingScratchBuffer.clear();
+}
+
+EditorContentBrowser::EditorContentBrowser(EditorInspector* inspector)
+	: mInspector{ inspector } {
+}
+
+EditorContentBrowser::~EditorContentBrowser() {
+}
+
+void EditorContentBrowser::Show(bool* open) {
+	ImGuiWindowFlags windowFlags;
+	if (mDocked) {
+		// Center window horizontally, align bottom  vertically
+		auto& viewportSize = ImGui::GetMainViewport()->Size;
+		ImGui::SetNextWindowPos(ImVec2(viewportSize.x / 2, viewportSize.y), ImGuiCond_Always, ImVec2(0.5f, 1.0f));
+		ImGui::SetNextWindowSizeRelScreen(0.8f, mBrowserHeight);
+		windowFlags = ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse;
+	} else {
+		windowFlags = 0;
+	}
+	ImGui::Begin("Content Browser", open, windowFlags);
+
+	ImGui::Splitter(true, kSplitterThickness, &mSplitterLeft, &mSplitterRight, kLeftPaneMinWidth, kRightPaneMinWidth);
+
+	ImGui::BeginChild("LeftPane", ImVec2(mSplitterLeft - kPadding, 0.0f));
+	{
+		if (ImGui::Selectable("Settings", mPane == P_Settings)) {
+			mPane = P_Settings;
+		}
+		if (ImGui::Selectable("Ires", mPane == P_Ires)) {
+			mPane = P_Ires;
+		}
+	}
+	ImGui::EndChild();
+
+	ImGui::SameLine(0.0f, kPadding + kSplitterThickness + kPadding);
+	ImGui::BeginChild("RightPane"); // Fill remaining space
+	switch (mPane) {
+		case P_Settings: {
+			ImGui::Checkbox("Docked", &mDocked);
+			ImGui::SliderFloat("Height", &mBrowserHeight, 0.1f, 1.0f);
+		} break;
+
+		case P_Ires: {
+			auto itt = mInspector->selectedItt;
+			auto itPtr = mInspector->selectedItPtr;
+			bool isIttIres = itt == EditorInspector::ITT_Ires;
+
+			if (ImGui::Button("New")) {
+				ImGui::OpenPopup("New Ires");
+			}
+			if (ImGui::BeginPopup("New Ires")) {
+				for (int i = 0; i < IresObject::KD_COUNT; ++i) {
+					auto kind = static_cast<IresObject::Kind>(i);
+					if (ImGui::MenuItem(IresObject::ToString(kind).data())) {
+						auto ires = IresObject::Create(kind);
+						auto [DISCARD, success] = IresManager::instance->Add(ires.get());
+						if (success) {
+							(void)ires.release();
+						}
+					}
+				}
+				ImGui::EndPopup();
+			}
+
+			ImGui::SameLine();
+			if (ImGui::Button("Refresh list") ||
+				ImGui::IsKeyPressed(ImGuiKey_F5))
+			{
+				// TODO
+			}
+
+			ImGui::SameLine();
+			if (ImGui::Button("Save", !isIttIres)) {
+				auto ires = static_cast<IresObject*>(itPtr);
+				IresManager::instance->Save(ires);
+			}
+
+			ImGui::SameLine();
+			if (ImGui::Button("Reload", !isIttIres)) {
+				auto ires = static_cast<IresObject*>(itPtr);
+				IresManager::instance->Reload(ires);
+			}
+
+			ImGui::SameLine();
+			if (ImGui::Button("Rename", !isIttIres) ||
+				(isIttIres && ImGui::IsKeyPressed(ImGuiKey_F2, false)))
+			{
+				auto ires = static_cast<IresObject*>(itPtr);
+				mInspector->renaming = true;
+				mInspector->renamingScratchBuffer = ires->GetName();
+			}
+
+			ImGui::SameLine();
+			if (ImGui::Button("Delete", !isIttIres) ||
+				(isIttIres && ImGui::IsKeyPressed(ImGuiKey_Delete, false)))
+			{
+				ImGui::OpenPopup("Delete Ires");
+			}
+			bool openedDummy = true;
+			if (ImGui::BeginPopupModal("Delete Ires", &openedDummy, ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoResize)) {
+				if (ImGui::Button("Confirm")) {
+					auto ires = static_cast<IresObject*>(itPtr);
+					IresManager::instance->Delete(ires);
+				}
+				ImGui::SameLine();
+				if (ImGui::Button("Cancel")) {
+					ImGui::CloseCurrentPopup();
+				}
+				ImGui::EndPopup();
+			}
+
+			auto& objects = IresManager::instance->GetObjects();
+			for (auto it = objects.begin(); it != objects.end(); ++it) {
+				auto ires = it->second.Get();
+				auto& name = ires->GetName();
+
+				bool selected = itPtr == ires;
+
+				ImGuiSelectableFlags flags = 0;
+				// When renaming, disable all other entries
+				if (mInspector->renaming && !selected) {
+					flags |= ImGuiSelectableFlags_Disabled;
+				}
+
+				if (mInspector->renaming && selected) {
+					// State: being renamed
+
+					ImGui::PushStyleVar(ImGuiStyleVar_FramePadding, { 0, 0 });
+					ImGui::PushStyleVar(ImGuiStyleVar_FrameBorderSize, 0);
+					ImGui::SetKeyboardFocusHere();
+					if (ImGui::InputText("##Rename", &mInspector->renamingScratchBuffer, ImGuiInputTextFlags_AutoSelectAll | ImGuiInputTextFlags_EnterReturnsTrue)) {
+						// Confirm
+						ires->SetName(std::move(mInspector->renamingScratchBuffer));
+						mInspector->renaming = false;
+					}
+					ImGui::PopStyleVar(2);
+
+					if (ImGui::IsKeyPressed(ImGuiKey_Escape)) {
+						// Cancel
+						mInspector->renaming = false;
+					}
+				} else {
+					// State: normal
+
+					if (ImGui::Selectable(name.c_str(), selected, flags)) {
+						mInspector->SelectTarget(EditorInspector::ITT_Ires, ires);
+					}
+					if (ImGui::BeginDragDropSource()) {
+						auto kindName = IresObject::ToString(ires->GetKind());
+						// Reason: intentionally using pointer as payload
+						ImGui::SetDragDropPayload(kindName.data(), &ires, sizeof(ires)); // NOLINT(bugprone-sizeof-expression)
+						ImGui::Text("%s '%s'", kindName.data(), name.c_str());
+						ImGui::EndDragDropSource();
+					}
+				}
+			}
+		} break;
+	}
+	ImGui::EndChild();
+
+	ImGui::End();
+}
+
+namespace ProjectBrussel_UNITY_ID {
+glm::quat CalcQuaternionFromDegreesEulerAngle(glm::vec3 eulerAngleDegrees) {
+	glm::vec3 eulerAngleRadians;
+	eulerAngleRadians.x = eulerAngleDegrees.x / 180 * M_PI;
+	eulerAngleRadians.y = eulerAngleDegrees.y / 180 * M_PI;
+	eulerAngleRadians.z = eulerAngleDegrees.z / 180 * M_PI;
+	return glm::quat(eulerAngleRadians);
+}
+
+void PushKeyCodeRecorder(App* app, int* writeKey, bool* writeKeyStatus) {
+	app->PushKeyCaptureCallback([=](int key, int action) {
+		// Allow the user to cancel by pressing Esc
+		if (key == GLFW_KEY_ESCAPE) {
+			return true;
+		}
+
+		if (action == GLFW_PRESS) {
+			*writeKey = key;
+			*writeKeyStatus = writeKeyStatus;
+			return true;
+		}
+		return false;
+	});
+}
+
+struct GobjTreeNodeShowInfo {
+	EditorInstance* in_editor;
+	GameObject* out_openPopup = nullptr;
+};
+
+void GobjTreeNode(GobjTreeNodeShowInfo& showInfo, GameObject* object) {
+	auto& inspector = showInfo.in_editor->GetInspector();
+
+	auto attachment = object->GetEditorAttachment();
+	if (!attachment) {
+		attachment = EaGameObject::Create(object).release();
+		object->SetEditorAttachment(attachment); // NOTE: takes ownership
+	}
+
+	ImGuiTreeNodeFlags flags =
+		ImGuiTreeNodeFlags_DefaultOpen |
+		ImGuiTreeNodeFlags_OpenOnDoubleClick |
+		ImGuiTreeNodeFlags_OpenOnArrow |
+		ImGuiTreeNodeFlags_SpanAvailWidth |
+		ImGuiTreeNodeFlags_NoTreePushOnOpen;
+	if (inspector.selectedItPtr == object) {
+		flags |= ImGuiTreeNodeFlags_Selected;
+	}
+
+	ImGui::PushID(reinterpret_cast<uintptr_t>(object));
+	// BEGIN tree node
+
+	bool opened = ImGui::TreeNodeEx(attachment->name.c_str(), flags);
+	if (ImGui::IsItemClicked(ImGuiMouseButton_Left)) {
+		inspector.SelectTarget(EditorInspector::ITT_GameObject, object);
+	}
+	if (ImGui::IsMouseReleased(ImGuiMouseButton_Right) &&
+		ImGui::IsItemHovered(ImGuiHoveredFlags_AllowWhenBlockedByPopup))
+	{
+		showInfo.out_openPopup = object;
+	}
+
+	if (opened) {
+		ImGui::Indent();
+		for (auto& child : object->GetChildren()) {
+			GobjTreeNode(showInfo, child);
+		}
+		ImGui::Unindent();
+	}
+
+	// END tree node
+	ImGui::PopID();
+};
+
+#define GAMEOBJECT_CONSTRUCTOR(ClassName) [](GameWorld* world) -> GameObject* { return new ClassName(world); }
+struct CreatableGameObject {
+	GameObject* (*factory)(GameWorld*);
+	const char* name;
+	GameObject::Kind kind;
+} creatableGameObjects[] = {
+	{
+		.factory = GAMEOBJECT_CONSTRUCTOR(GameObject),
+		.name = "GameObject",
+		.kind = GameObject::KD_Generic,
+	},
+	{
+		.factory = GAMEOBJECT_CONSTRUCTOR(SimpleGeometryObject),
+		.name = "Simple Geometry",
+		.kind = GameObject::KD_SimpleGeometry,
+	},
+	{
+		.factory = GAMEOBJECT_CONSTRUCTOR(BuildingObject),
+		.name = "Building",
+		.kind = GameObject::KD_Building,
+	},
+	{
+		.factory = GAMEOBJECT_CONSTRUCTOR(LevelWrapperObject),
+		.name = "Level Wrapper",
+		.kind = GameObject::KD_LevelWrapper,
+	},
+};
+#undef GAMEOBJECT_CONSTRUCTOR
+} // namespace ProjectBrussel_UNITY_ID
+
+std::unique_ptr<IEditor> IEditor::CreateInstance(App* app) {
+	return std::make_unique<EditorInstance>(app);
+}
+
+EditorInstance::EditorInstance(App* app)
+	: mApp{ app }
+	, mEdContentBrowser(&mEdInspector) {
+	mEditorCamera.name = "Editor Camera"s;
+	mEditorCamera.Move(glm::vec3(0, 0, 1));
+	mEditorCamera.LookAtAngle(glm::vec3(0, 0, -1));
+	mEditorCamera.SetHasPerspective(false);
+}
+
+EditorInstance::~EditorInstance() {
+}
+
+void EditorInstance::OnGameStateChanged(bool running) {
+	if (running) {
+		mApp->UnbindActiveCamera();
+	} else {
+		mApp->BindActiveCamera(&mEditorCamera);
+	}
+}
+
+void EditorInstance::Show() {
+	using namespace ProjectBrussel_UNITY_ID;
+	using namespace Tags;
+
+	auto world = mApp->GetWorld();
+	auto& io = ImGui::GetIO();
+
+	ImGui::BeginMainMenuBar();
+	if (ImGui::BeginMenu("View")) {
+		ImGui::MenuItem("ImGui Demo", nullptr, &mWindowVisible_ImGuiDemo);
+		ImGui::MenuItem("Command Palette", "Ctrl+Shift+P", &mWindowVisible_CommandPalette);
+		ImGui::MenuItem("Inspector", nullptr, &mWindowVisible_Inspector);
+		ImGui::MenuItem("Content Browser", "Ctrl+Space", &mWindowVisible_ContentBrowser);
+		ImGui::MenuItem("World Structure", nullptr, &mWindowVisible_WorldStructure);
+		ImGui::MenuItem("World Properties", nullptr, &mWindowVisible_WorldProperties);
+		ImGui::EndMenu();
+	}
+	ImGui::EndMainMenuBar();
+
+	if (mWindowVisible_ImGuiDemo) {
+		ImGui::ShowDemoWindow(&mWindowVisible_ImGuiDemo);
+	}
+
+	if (io.KeyCtrl && io.KeyShift && ImGui::IsKeyPressed(GLFW_KEY_P, false)) {
+		mWindowVisible_CommandPalette = !mWindowVisible_CommandPalette;
+	}
+	if (mWindowVisible_CommandPalette) {
+		mEdCommandPalette.Show(&mWindowVisible_CommandPalette);
+	}
+
+	if (io.KeyCtrl && ImGui::IsKeyPressed(GLFW_KEY_SPACE, false)) {
+		mWindowVisible_ContentBrowser = !mWindowVisible_ContentBrowser;
+	}
+	if (mWindowVisible_ContentBrowser) {
+		mEdContentBrowser.Show(&mWindowVisible_ContentBrowser);
+	}
+
+	auto& camera = *mApp->GetActiveCamera();
+	ImGuizmo::SetRect(0, 0, io.DisplaySize.x, io.DisplaySize.y);
+	ImGuizmo::SetDrawlist(ImGui::GetForegroundDrawList());
+
+	auto cameraPos = camera.pos;
+	{
+		if (ImGui::IsMouseClicked(ImGuiMouseButton_Right) && !io.WantCaptureMouse && !mDragCam_Happening) {
+			mDragCam_CamInitial = camera.pos;
+			mDragCam_CursorInitial = ImGui::GetMousePos();
+			mDragCam_Happening = true;
+		}
+		if (mDragCam_Happening) {
+			auto newPos = ImGui::GetMousePos();
+			// NOTE: we are emulating as if the mouse is dragging the "canvas", through moving the camera in the opposite direction of the natural position delta
+			cameraPos.x = mDragCam_CamInitial.x + mDragCam_CursorInitial.x - newPos.x;
+			cameraPos.y = mDragCam_CamInitial.y + -(mDragCam_CursorInitial.y - newPos.y); // Invert Y delta because ImGui uses top-left origin (mouse moving down translates to positive value, but in our coordinate system down is negative)
+
+			// Draw movement indicator
+			auto drawList = ImGui::GetForegroundDrawList();
+			ImGui::DrawArrow(drawList, ImVec2(mDragCam_CursorInitial.x, mDragCam_CursorInitial.y), newPos, IM_COL32(0, 255, 255, 255));
+		}
+		if (ImGui::IsMouseReleased(ImGuiMouseButton_Right)) {
+			mDragCam_Happening = false;
+		}
+
+		if (mMoveCamKeyboard) {
+			constexpr float kCameraMoveSpeed = 5.0f;
+			if (ImGui::IsKeyDown(ImGuiKey_W)) {
+				cameraPos.y += kCameraMoveSpeed;
+			}
+			if (ImGui::IsKeyDown(ImGuiKey_S)) {
+				cameraPos.y -= kCameraMoveSpeed;
+			}
+			if (ImGui::IsKeyDown(ImGuiKey_A)) {
+				cameraPos.x -= kCameraMoveSpeed;
+			}
+			if (ImGui::IsKeyDown(ImGuiKey_D)) {
+				cameraPos.x += kCameraMoveSpeed;
+			}
+		}
+	}
+	camera.Move(cameraPos);
+
+	if (mWindowVisible_Inspector) {
+		ImGui::Begin("Inspector");
+		switch (mEdInspector.selectedItt) {
+			case EditorInspector::ITT_GameObject: {
+				auto object = static_cast<GameObject*>(mEdInspector.selectedItPtr);
+				ShowInspector(object);
+			} break;
+
+			case EditorInspector::ITT_Ires: {
+				auto ires = static_cast<IresObject*>(mEdInspector.selectedItPtr);
+				ShowInspector(ires);
+			} break;
+
+			case EditorInspector::ITT_None: break;
+		}
+		ImGui::End();
+	}
+
+	if (mWindowVisible_WorldProperties) {
+		ImGui::Begin("World properties");
+		ShowWorldProperties();
+		ImGui::End();
+	}
+
+	if (mWindowVisible_WorldStructure) {
+		ImGui::Begin("World structure");
+		GobjTreeNodeShowInfo showInfo{
+			.in_editor = this,
+		};
+		GobjTreeNode(showInfo, &world->GetRoot());
+
+		if (showInfo.out_openPopup) {
+			mPopupCurrent_GameObject = showInfo.out_openPopup;
+
+			ImGui::OpenPopup("GameObject Popup");
+			ImGui::SetNextWindowPos(ImGui::GetMousePos());
+		}
+		if (ImGui::BeginPopup("GameObject Popup")) {
+			// Target no longer selected during popup open
+			if (!mPopupCurrent_GameObject) {
+				ImGui::CloseCurrentPopup();
+			}
+
+			if (ImGui::BeginMenu("Add child")) {
+				for (size_t i = 0; i < std::size(creatableGameObjects); ++i) {
+					auto& info = creatableGameObjects[i];
+					if (ImGui::MenuItem(info.name)) {
+						auto object = info.factory(world);
+						mPopupCurrent_GameObject->AddChild(object);
+					}
+				}
+				ImGui::EndMenu();
+			}
+			ImGui::Separator();
+			if (ImGui::MenuItem("Remove")) {
+				ImGui::DialogConfirmation("Are you sure you want to delete this GameObject?", [object = mPopupCurrent_GameObject](bool yes) {
+					object->RemoveSelfFromParent();
+					delete object;
+				});
+			}
+			ImGui::EndPopup();
+		}
+		ImGui::End();
+	}
+
+	ShowSpriteViewer();
+
+	ImGui::ShowDialogs();
+	ImGui::ShowNotifications();
+}
+
+void EditorInstance::ShowWorldProperties() {
+	if (mApp->IsGameRunning()) {
+		if (ImGui::Button("Pause")) {
+			mApp->SetGameRunning(false);
+		}
+		if (ImGui::IsItemHovered()) {
+			ImGui::SetTooltip("The game is currently running. Click to pause.");
+		}
+	} else {
+		if (ImGui::Button("Play")) {
+			mApp->SetGameRunning(true);
+		}
+		if (ImGui::IsItemHovered()) {
+			ImGui::SetTooltip("The game is currently paused. Click to run.");
+		}
+	}
+
+	auto& camera = *mApp->GetActiveCamera();
+	ImGui::TextUnformatted("Active camera:");
+	ImGui::Indent();
+#define CAMERA_POS_TEXT "at (%.3f, %.3f, %.3f)\nlooking at (%.3f, %.3f, %.3f)", camera.pos.x, camera.pos.y, camera.pos.z, camera.lookAt.x, camera.lookAt.y, camera.lookAt.z
+	ImGui::TextUnformatted(camera.name.c_str());
+	ImGui::Text(CAMERA_POS_TEXT);
+	if (ImGui::BeginPopupContextItem("##CTXMENU")) {
+		if (ImGui::MenuItem("Reset to origin")) {
+			camera.Move(glm::vec3(1.0f, 1.0f, 1.0f));
+		}
+		if (ImGui::MenuItem("Copy")) {
+			char buffer[2048];
+			int result = snprintf(buffer, sizeof(buffer), CAMERA_POS_TEXT);
+			ImGui::SetClipboardText(buffer);
+			ImGui::AddNotification(ImGuiToast(ImGuiToastType_Success, "Copied to clipboard."));
+		}
+		ImGui::EndPopup();
+	}
+#undef CAMERA_POS_TEXT
+	ImGui::Checkbox("Move camera with WASD", &mMoveCamKeyboard);
+	ImGui::Unindent();
+}
+
+// TOOD move resource-specific and gameobject-specific inspector code into attachments mechanism
+
+void EditorInstance::ShowInspector(IresObject* ires) {
+	ires->ShowEditor(*this);
+}
+
+void EditorInstance::ShowInspector(GameObject* object) {
+	using namespace Tags;
+	using namespace ProjectBrussel_UNITY_ID;
+
+	auto& io = ImGui::GetIO();
+
+	auto objectEa = static_cast<EaGameObject*>(object->GetEditorAttachment());
+
+	auto ShowInspector = [&](/*array[6]*/ float* bounds = nullptr) {
+		glm::mat4 identityMatrix(1.00f);
+
+		if (io.KeyAlt && ImGui::IsKeyPressed(ImGuiKey_T))
+			mGuizmo.currOperation = ImGuizmo::TRANSLATE;
+		if (io.KeyAlt && ImGui::IsKeyPressed(ImGuiKey_R))
+			mGuizmo.currOperation = ImGuizmo::ROTATE;
+		if (io.KeyAlt && ImGui::IsKeyPressed(ImGuiKey_S))
+			mGuizmo.currOperation = ImGuizmo::SCALE;
+		if (ImGui::RadioButton("Translate", mGuizmo.currOperation == ImGuizmo::TRANSLATE))
+			mGuizmo.currOperation = ImGuizmo::TRANSLATE;
+		ImGui::SameLine();
+		if (ImGui::RadioButton("Rotate", mGuizmo.currOperation == ImGuizmo::ROTATE))
+			mGuizmo.currOperation = ImGuizmo::ROTATE;
+		ImGui::SameLine();
+		if (ImGui::RadioButton("Scale", mGuizmo.currOperation == ImGuizmo::SCALE))
+			mGuizmo.currOperation = ImGuizmo::SCALE;
+		ImGui::SameLine();
+		if (ImGui::RadioButton("Universal", mGuizmo.currOperation == ImGuizmo::UNIVERSAL))
+			mGuizmo.currOperation = ImGuizmo::UNIVERSAL;
+
+		if (mGuizmo.currOperation != ImGuizmo::SCALE) {
+			if (ImGui::RadioButton("Local", mGuizmo.currMode == ImGuizmo::LOCAL))
+				mGuizmo.currMode = ImGuizmo::LOCAL;
+			ImGui::SameLine();
+			if (ImGui::RadioButton("World", mGuizmo.currMode == ImGuizmo::WORLD))
+				mGuizmo.currMode = ImGuizmo::WORLD;
+		}
+
+		ImGui::Checkbox("##UseSnap", &mGuizmo.useSnap);
+		ImGui::SameLine();
+		switch (mGuizmo.currOperation) {
+			case ImGuizmo::TRANSLATE:
+				ImGui::InputFloat3("Pos Snap", &mGuizmo.snap[0]);
+				break;
+			case ImGuizmo::ROTATE:
+				ImGui::InputFloat("Angle Snap", &mGuizmo.snap[0]);
+				break;
+			case ImGuizmo::SCALE:
+				ImGui::InputFloat("Scale Snap", &mGuizmo.snap[0]);
+				break;
+			default: break;
+		}
+
+		if (bounds) {
+			ImGui::Checkbox("Bound Sizing", &mGuizmo.boundSizing);
+			if (mGuizmo.boundSizing) {
+				ImGui::PushID(3);
+				ImGui::Checkbox("##BoundSizing", &mGuizmo.boundSizingSnap);
+				ImGui::SameLine();
+				ImGui::InputFloat3("Bound Snap", mGuizmo.boundsSnap);
+				ImGui::PopID();
+			}
+		}
+
+		ImGui::Separator();
+
+		auto objectPos = object->GetPos();
+		if (ImGui::InputFloat3("Translation", &objectPos.x)) {
+			object->SetPos(objectPos);
+		}
+
+		auto objectRot = object->GetRotation();
+		if (ImGui::InputFloat3("Rotation", &objectEa->eulerAnglesRotation.x)) {
+			objectRot = CalcQuaternionFromDegreesEulerAngle(objectEa->eulerAnglesRotation);
+			object->SetRotation(objectRot);
+		}
+
+		auto objectScale = object->GetScale();
+		if (ImGui::InputFloat3("Scale", &objectScale.x)) {
+			object->SetScale(objectScale);
+		}
+	};
+
+	auto ShowGuizmo = [&](/*array[6]*/ float* bounds = nullptr) {
+		glm::mat4 identityMatrix(1.00f);
+
+		// TODO get rid of this massive hack: how to manage const better for intuitively read-only, but write doesn't-care data?
+		auto& lastFrameInfo = const_cast<RendererFrameInfo&>(mApp->GetWorldRenderer()->GetLastFrameInfo());
+		auto& cameraViewMat = lastFrameInfo.matrixView;
+		float* cameraView = &cameraViewMat[0][0];
+		auto& cameraProjMat = lastFrameInfo.matrixProj;
+		float* cameraProj = &cameraProjMat[0][0];
+
+		auto objectPos = object->GetPos();
+		auto objectScale = object->GetScale();
+
+		float matrix[16];
+		ImGuizmo::RecomposeMatrixFromComponents(&objectPos.x, &objectEa->eulerAnglesRotation.x, &objectScale.x, matrix);
+
+		bool edited = ImGuizmo::Manipulate(
+			cameraView,
+			cameraProj,
+			mGuizmo.currOperation,
+			mGuizmo.currMode,
+			matrix,
+			nullptr,
+			mGuizmo.useSnap ? mGuizmo.snap : nullptr,
+			mGuizmo.boundSizing ? bounds : nullptr,
+			(bounds && mGuizmo.boundSizingSnap) ? mGuizmo.boundsSnap : nullptr);
+
+		if (edited) {
+			ImGuizmo::DecomposeMatrixToComponents(matrix, &objectPos.x, &objectEa->eulerAnglesRotation.x, &objectScale.x);
+			object->SetPos(objectPos);
+			object->SetRotation(CalcQuaternionFromDegreesEulerAngle(objectEa->eulerAnglesRotation));
+			object->SetScale(objectScale);
+		}
+	};
+
+	auto type = object->GetKind();
+	switch (type) {
+		case GameObject::KD_Player: {
+			ShowInspector();
+			ShowGuizmo();
+			ImGui::Separator();
+
+			auto player = static_cast<Player*>(object);
+			auto ea = static_cast<EaPlayer*>(objectEa);
+			auto& kb = player->keybinds;
+
+			ImGui::Text("Player #%d", player->GetId());
+
+			ImGui::TextUnformatted("Spritesheet: ");
+			ImGui::SameLine();
+			IresObject::ShowReferenceSafe(*this, ea->confSprite.Get());
+			if (ImGui::BeginDragDropTarget()) {
+				if (auto payload = ImGui::AcceptDragDropPayload(IresObject::ToString(IresObject::KD_Spritesheet).data())) {
+					auto spritesheet = *static_cast<IresSpritesheet* const*>(payload->Data);
+					ea->confSprite.Attach(spritesheet);
+					auto def = spritesheet->GetInstance();
+					player->sprite.SetDefinition(def);
+					player->renderObject.autofill_TextureAtlas.Attach(def->GetAtlas());
+				}
+				ImGui::EndDragDropTarget();
+			}
+
+			ImGui::TextUnformatted("Material: ");
+			ImGui::SameLine();
+			IresObject::ShowReferenceSafe(*this, ea->confMaterial.Get());
+			if (ImGui::BeginDragDropTarget()) {
+				if (auto payload = ImGui::AcceptDragDropPayload(IresObject::ToString(IresObject::KD_Material).data())) {
+					auto material = *static_cast<IresMaterial* const*>(payload->Data);
+					ea->confMaterial.Attach(material);
+					player->SetMaterial(material->GetInstance());
+				}
+				ImGui::EndDragDropTarget();
+			}
+
+			if (ImGui::Button("Load config")) {
+				bool success = player->LoadFromFile();
+				if (success) {
+					ImGui::AddNotification(ImGuiToast(ImGuiToastType_Success, "Successfully loaded player config"));
+				}
+			}
+			ImGui::SameLine();
+			if (ImGui::Button("Save config")) {
+				bool success = player->SaveToFile();
+				if (success) {
+					ImGui::AddNotification(ImGuiToast(ImGuiToastType_Success, "Successfully saved player config"));
+				}
+			}
+
+			ImGui::Text("Move left (%s)", ImGui::GetKeyNameGlfw(kb.keyLeft));
+			ImGui::SameLine();
+			if (ImGui::Button("Change##Move left")) {
+				PushKeyCodeRecorder(mApp, &kb.keyLeft, &kb.pressedLeft);
+			}
+
+			ImGui::Text("Move right (%s)", ImGui::GetKeyNameGlfw(kb.keyRight));
+			ImGui::SameLine();
+			if (ImGui::Button("Change##Move right")) {
+				PushKeyCodeRecorder(mApp, &kb.keyRight, &kb.pressedRight);
+			}
+
+			ImGui::Text("Jump (%s)", ImGui::GetKeyNameGlfw(kb.keyJump));
+			ImGui::SameLine();
+			if (ImGui::Button("Change##Jump")) {
+				PushKeyCodeRecorder(mApp, &kb.keyJump, &kb.pressedJump);
+			}
+
+			ImGui::Text("Attack (%s)", ImGui::GetKeyNameGlfw(kb.keyAttack));
+			ImGui::SameLine();
+			if (ImGui::Button("Change##Attack")) {
+				PushKeyCodeRecorder(mApp, &kb.keyAttack, &kb.pressedAttack);
+			}
+		} break;
+
+		case GameObject::KD_SimpleGeometry: {
+			auto sg = static_cast<SimpleGeometryObject*>(object);
+
+			float bounds[6] = {
+				/*x1*/ -sg->GetSize().x / 2.0f,
+				/*y1*/ -sg->GetSize().y / 2.0f,
+				/*z1*/ 0.0f,
+				/*x2*/ +sg->GetSize().x / 2.0f,
+				/*y2*/ +sg->GetSize().y / 2.0f,
+				/*z2*/ 0.0f,
+			};
+
+			ShowInspector(bounds);
+			ShowGuizmo(bounds);
+			ImGui::Separator();
+
+			sg->SetSize(glm::vec2(bounds[3] - bounds[0], bounds[4] - bounds[1]));
+
+			auto size = sg->GetSize();
+			if (ImGui::InputFloat2("Size", &size.x)) {
+				sg->SetSize(size);
+			}
+		} break;
+
+		case GameObject::KD_Building: {
+			ShowInspector();
+			ShowGuizmo();
+			ImGui::Separator();
+
+			auto b = static_cast<BuildingObject*>(object);
+			// TODO
+		} break;
+
+		case GameObject::KD_LevelWrapper: {
+			ShowInspector();
+			ShowGuizmo();
+			ImGui::Separator();
+
+			auto lwo = static_cast<LevelWrapperObject*>(object);
+			// TODO
+		} break;
+
+		default: {
+			ShowInspector();
+			ShowGuizmo();
+		} break;
+	}
+}
+
+void EditorInstance::OpenSpriteViewer(SpriteDefinition* sprite) {
+	mSpriteView_Instance.Attach(sprite);
+	mSpriteView_Frame = 0;
+	mSpriteView_OpenNextFrame = true;
+}
+
+void EditorInstance::ShowSpriteViewer() {
+	if (mSpriteView_Instance == nullptr) return;
+	if (!mSpriteView_Instance->IsValid()) return;
+
+	if (mSpriteView_OpenNextFrame) {
+		mSpriteView_OpenNextFrame = false;
+		ImGui::OpenPopup("Sprite Viewer");
+	}
+
+	bool windowOpen = true;
+	if (ImGui::BeginPopupModal("Sprite Viewer", &windowOpen)) {
+		auto atlas = mSpriteView_Instance->GetAtlas();
+		auto atlasSize = atlas->GetInfo().size;
+		auto& frames = mSpriteView_Instance->GetFrames();
+
+		int frameCount = mSpriteView_Instance->GetFrames().size();
+		if (ImGui::Button("<")) {
+			--mSpriteView_Frame;
+		}
+		ImGui::SameLine();
+		ImGui::Text("%d/%d", mSpriteView_Frame + 1, frameCount);
+		ImGui::SameLine();
+		if (ImGui::Button(">")) {
+			++mSpriteView_Frame;
+		}
+		// Scrolling down (negative value) should advance, so invert the sign
+		mSpriteView_Frame += -std::round(ImGui::GetIO().MouseWheel);
+		// Clamp mSpriteView_Frame to range [0, frameCount)
+		if (mSpriteView_Frame < 0) {
+			mSpriteView_Frame = frameCount - 1;
+		} else if (mSpriteView_Frame >= frameCount) {
+			mSpriteView_Frame = 0;
+		}
+
+		auto& currFrame = frames[mSpriteView_Frame];
+		auto boundingBox = mSpriteView_Instance->GetBoundingBox();
+		ImGui::Text("Frame size: (%d, %d)", boundingBox.x, boundingBox.y);
+		ImGui::Text("Frame location: (%f, %f) to (%f, %f)", currFrame.u0, currFrame.v0, currFrame.u1, currFrame.v1);
+		ImGui::Image(
+			(ImTextureID)(uintptr_t)atlas->GetHandle(),
+			Utils::FitImage(atlasSize),
+			ImVec2(currFrame.u0, currFrame.v0),
+			ImVec2(currFrame.u1, currFrame.v1));
+
+		ImGui::EndPopup();
+	}
+}