feat: move editor to project / add post processing etc
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@@ -0,0 +1,239 @@
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#include <editor/Editor.h>
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#include <algorithm>
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#include <filesystem>
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#include <vector>
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#include <imgui.h>
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#include <spdlog/spdlog.h>
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#include <destrum/App.h>
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#include <destrum/Assets/AssetTypes.h>
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#include <destrum/Components/MeshRendererComponent.h>
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#include <destrum/Components/Physics/Collider.h>
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#include <destrum/Components/Physics/Rigidbody.h>
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#include <destrum/FS/AssetFS.h>
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#include <destrum/ObjectModel/GameObject.h>
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#include <destrum/ObjectModel/Transform.h>
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#include <destrum/Scene/ModelSpawner.h>
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#include <destrum/Scene/Scene.h>
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#include <destrum/Serialization/MaterialSerialization.h>
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#include <destrum/Serialization/PrefabSerializer.h>
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#include <destrum/Util/ImGuiUtils.h>
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#include <destrum/Util/ModelDoc.h>
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void Editor::ApplyViewportResize()
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{
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const glm::ivec2 desired = m_Viewport.desiredSize;
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const VkExtent3D current = m_App.getRenderer().getDrawImage().extent;
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if (desired.x <= 0 || desired.y <= 0 ||
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(static_cast<int>(current.width) == desired.x && static_cast<int>(current.height) == desired.y)) {
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return;
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}
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// While a dock splitter is dragged the old image is stretched, recreating it every frame is wasteful
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if (ImGui::GetIO().MouseDown[ImGuiMouseButton_Left]) {
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return;
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}
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m_App.resizeRenderTarget(desired);
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}
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void Editor::DrawViewport()
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{
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m_Viewport.mouseClaimed = false;
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ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2{0.0f, 0.0f});
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const bool visible = ImGui::Begin("Viewport", nullptr, ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse);
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ImGui::PopStyleVar();
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if (!visible) {
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m_Viewport.hovered = false;
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m_Viewport.focused = false;
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m_Viewport.hoverPixel.reset();
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ImGui::End();
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return;
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}
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const ImVec2 origin = ImGui::GetCursorScreenPos();
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const ImVec2 available = ImGui::GetContentRegionAvail();
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const ImVec2 framebufferScale = ImGui::GetIO().DisplayFramebufferScale;
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m_Viewport.min = {origin.x, origin.y};
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m_Viewport.size = {std::max(available.x, 1.0f), std::max(available.y, 1.0f)};
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m_Viewport.desiredSize = {
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std::max(static_cast<int>(available.x * framebufferScale.x), 1),
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std::max(static_cast<int>(available.y * framebufferScale.y), 1),
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};
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const GPUImage& drawImage = m_App.getRenderer().getDrawImage();
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if (const ImTextureID texture = m_App.getImguiPass().getFrameTexture(drawImage.imageView); texture != ImTextureID{}) {
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ImGui::Image(texture, ImVec2{m_Viewport.size.x, m_Viewport.size.y});
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if (ImGui::BeginDragDropTarget()) {
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if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload(ImGuiUtils::AssetPayload)) {
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OnAssetDropped(static_cast<const char*>(payload->Data));
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}
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ImGui::EndDragDropTarget();
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}
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}
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m_Viewport.hovered = ImGui::IsWindowHovered();
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// ImGui only focuses windows on a left click, the camera looks around with the right button
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if (m_Viewport.hovered && (ImGui::IsMouseClicked(ImGuiMouseButton_Right) || ImGui::IsMouseClicked(ImGuiMouseButton_Middle))) {
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ImGui::SetWindowFocus();
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}
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m_Viewport.focused = ImGui::IsWindowFocused();
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const ImVec2 mouse = ImGui::GetMousePos();
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const glm::vec2 uv = (glm::vec2{mouse.x, mouse.y} - m_Viewport.min) / m_Viewport.size;
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const bool insideImage = uv.x >= 0.0f && uv.y >= 0.0f && uv.x < 1.0f && uv.y < 1.0f;
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m_Viewport.hoverPixel.reset();
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if (m_Viewport.hovered && insideImage && !m_Camera.IsLooking()) {
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const VkExtent3D extent = drawImage.extent;
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m_Viewport.hoverPixel = glm::ivec2{uv * glm::vec2{static_cast<float>(extent.width), static_cast<float>(extent.height)}};
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}
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ImGui::SetCursorScreenPos(origin);
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if (Scene* scene = CurrentScene(); scene != nullptr && m_View.gizmos && UsesEditorCamera()) {
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DrawGizmos(*scene);
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}
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RequestPick();
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ImGui::End();
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}
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void Editor::DrawGizmos(Scene& scene)
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{
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GameObject* selected = scene.GetSelectedObject();
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if (selected == nullptr) {
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return;
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}
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if (RectGizmo::CanManipulate(*selected)) {
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const VkExtent3D extent = m_App.getRenderer().getDrawImage().extent;
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m_RectGizmo.Manipulate(*selected, glm::vec2{static_cast<float>(extent.width), static_cast<float>(extent.height)},
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m_Viewport.min, m_Viewport.size);
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m_Viewport.mouseClaimed = m_Viewport.mouseClaimed || m_RectGizmo.IsInteracting();
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return;
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}
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m_TransformGizmo.Manipulate(*selected, m_Camera.GetCamera(), m_Viewport.min, m_Viewport.size);
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m_Viewport.mouseClaimed = m_Viewport.mouseClaimed || m_TransformGizmo.IsOver() || m_TransformGizmo.IsUsing();
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}
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void Editor::RequestPick()
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{
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const bool picking = m_PlayMode.IsEditing() || m_PlayMode.IsPaused();
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if (!picking || !m_Viewport.hoverPixel || m_Viewport.mouseClaimed || !ImGui::IsMouseClicked(ImGuiMouseButton_Left)) {
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return;
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}
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m_App.getRenderer().requestSelectionPick(*m_Viewport.hoverPixel);
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m_Viewport.pickSelectsParent = ImGui::GetIO().KeyAlt;
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}
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void Editor::ApplyPick()
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{
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const auto picked = m_App.getRenderer().takeSelectionPick();
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Scene* scene = CurrentScene();
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if (!picked || scene == nullptr) {
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return;
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}
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GameObject* object = scene->FindGameObject(*picked);
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if (object != nullptr && m_Viewport.pickSelectsParent) {
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if (const Transform* parent = object->GetTransform().GetParent(); parent != nullptr && parent->GetOwner() != nullptr) {
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object = parent->GetOwner();
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}
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}
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scene->SetSelectedObject(object != nullptr ? object->GetId() : InvalidObjectId);
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}
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void Editor::OnAssetDropped(std::string_view path)
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{
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Scene* scene = CurrentScene();
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if (scene == nullptr) {
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return;
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}
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if (AssetTypes::IsScene(path)) {
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OpenScene(path);
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return;
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}
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const Camera& view = m_Camera.GetCamera();
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const glm::vec3 spawnPosition = view.GetPosition() + view.GetForward() * 5.0f;
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const std::string name = std::filesystem::path{path}.stem().string();
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try {
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if (AssetTypes::IsModel(path)) {
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ModelDoc::LoadOptions options{};
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options.meshImportMode = ModelDoc::MeshImportMode::MergedPerNode;
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options.loadMaterials = true;
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GameObject* model = ModelSpawner::SpawnStaticModel(
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*scene, m_App.getGfxDevice(), m_App.getResources(), path, options, name);
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model->GetTransform().SetWorldPosition(spawnPosition);
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scene->SetSelectedObject(model->GetId());
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} else if (AssetTypes::IsPrefab(path)) {
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GameObject* instance = PrefabSerializer::Instantiate(*scene, AssetFS::GetInstance().GetFullPath(path).string());
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if (instance == nullptr) {
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SetStatus("Could not instantiate " + std::string{path});
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return;
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}
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instance->GetTransform().SetWorldPosition(spawnPosition);
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scene->SetSelectedObject(instance->GetId());
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} else if (AssetTypes::IsMaterial(path)) {
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GameObject* selected = scene->GetSelectedObject();
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if (selected == nullptr) {
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SetStatus("Select an object to give it " + std::string{path});
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return;
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}
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const MaterialID material = MaterialSerialization::LoadFile(m_App.getResources(), m_App.getGfxDevice(), path);
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std::vector<GameObject*> pending{selected};
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while (!pending.empty()) {
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GameObject* object = pending.back();
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pending.pop_back();
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if (auto* meshRenderer = object->GetComponent<MeshRendererComponent>()) {
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meshRenderer->SetMaterialID(material);
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}
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for (const Transform* child : object->GetTransform().GetChildren()) {
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if (child != nullptr && child->GetOwner() != nullptr) {
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pending.push_back(child->GetOwner());
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}
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}
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}
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} else {
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return;
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}
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m_EditPending = true;
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} catch (const std::exception& exception) {
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spdlog::error("Could not use {}: {}", path, exception.what());
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SetStatus("Could not use " + std::string{path});
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}
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}
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void Editor::SubmitColliderLines(Scene& scene) const
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{
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// Triggers orange, then colored by body type: static blue, dynamic green, kinematic purple
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for (const auto& object : scene.GetObjects()) {
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if (object == nullptr || object->IsBeingDestroyed() || !object->IsActiveInHierarchy()) {
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continue;
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}
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const auto* rigidbody = object->GetComponent<Rigidbody>();
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const RigidbodyType type = rigidbody != nullptr ? rigidbody->GetType() : RigidbodyType::Static;
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for (const auto& component : object->GetComponents()) {
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const auto* collider = dynamic_cast<const Collider*>(component.get());
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if (collider == nullptr || collider->IsBeingDestroyed() || !collider->isEnabled()) {
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continue;
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}
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glm::vec4 color{0.1f, 0.8f, 1.0f, 1.0f};
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if (collider->IsTrigger()) {
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color = {1.0f, 0.75f, 0.1f, 1.0f};
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} else if (type == RigidbodyType::Dynamic) {
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color = {0.3f, 1.0f, 0.3f, 1.0f};
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} else if (type == RigidbodyType::Kinematic) {
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color = {0.8f, 0.4f, 1.0f, 1.0f};
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}
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collider->DrawDebugLines(color);
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}
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}
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}
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