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Add scene viewport move gizmo workflow

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This commit is contained in:
ssdfasd
2026-03-29 16:18:13 +08:00
parent 2651bad080
commit 0ea1cb29e6
11 changed files with 749 additions and 13 deletions
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2
tests/editor/CMakeLists.txt
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@@ -5,6 +5,7 @@ project(XCEngine_EditorTests)
set(EDITOR_TEST_SOURCES
test_action_routing.cpp
test_scene_viewport_camera_controller.cpp
test_scene_viewport_move_gizmo.cpp
test_scene_viewport_picker.cpp
test_scene_viewport_overlay_renderer.cpp
test_scene_viewport_selection_utils.cpp
@@ -12,6 +13,7 @@ set(EDITOR_TEST_SOURCES
${CMAKE_SOURCE_DIR}/editor/src/Managers/SceneManager.cpp
${CMAKE_SOURCE_DIR}/editor/src/Managers/ProjectManager.cpp
${CMAKE_SOURCE_DIR}/editor/src/Viewport/SceneViewportPicker.cpp
${CMAKE_SOURCE_DIR}/editor/src/Viewport/SceneViewportMoveGizmo.cpp
${CMAKE_SOURCE_DIR}/editor/src/Viewport/SceneViewportGrid.cpp
)

96
tests/editor/test_scene_viewport_move_gizmo.cpp Normal file
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@@ -0,0 +1,96 @@
#include <gtest/gtest.h>
#include "Core/EditorContext.h"
#include "Managers/SceneManager.h"
#include "Viewport/SceneViewportMoveGizmo.h"
namespace XCEngine::Editor {
namespace {
class SceneViewportMoveGizmoTest : public ::testing::Test {
protected:
void SetUp() override {
m_context.GetSceneManager().NewScene("Move Gizmo Test Scene");
}
static SceneViewportOverlayData MakeOverlay() {
SceneViewportOverlayData overlay = {};
overlay.valid = true;
overlay.cameraPosition = Math::Vector3(0.0f, 0.0f, -5.0f);
overlay.cameraForward = Math::Vector3::Forward();
overlay.cameraRight = Math::Vector3::Right();
overlay.cameraUp = Math::Vector3::Up();
overlay.verticalFovDegrees = 60.0f;
overlay.nearClipPlane = 0.03f;
overlay.farClipPlane = 2000.0f;
return overlay;
}
static SceneViewportMoveGizmoContext MakeContext(
Components::GameObject* selectedObject,
const Math::Vector2& mousePosition) {
SceneViewportMoveGizmoContext context = {};
context.overlay = MakeOverlay();
context.viewportSize = Math::Vector2(800.0f, 600.0f);
context.mousePosition = mousePosition;
context.selectedObject = selectedObject;
return context;
}
SceneManager& GetSceneManager() {
return dynamic_cast<SceneManager&>(m_context.GetSceneManager());
}
EditorContext m_context;
};
TEST_F(SceneViewportMoveGizmoTest, UpdateHighlightsXAxisWhenMouseIsNearXAxisHandle) {
Components::GameObject* target = GetSceneManager().CreateEntity("Target");
ASSERT_NE(target, nullptr);
m_context.GetSelectionManager().SetSelectedEntity(target->GetID());
SceneViewportMoveGizmo gizmo;
gizmo.Update(MakeContext(target, Math::Vector2(436.0f, 300.0f)));
ASSERT_TRUE(gizmo.GetDrawData().visible);
EXPECT_TRUE(gizmo.IsHoveringHandle());
EXPECT_TRUE(gizmo.GetDrawData().handles[0].hovered);
EXPECT_FALSE(gizmo.GetDrawData().handles[1].hovered);
EXPECT_FALSE(gizmo.GetDrawData().handles[2].hovered);
}
TEST_F(SceneViewportMoveGizmoTest, DraggingXAxisOnlyChangesWorldXAndCreatesUndoStep) {
Components::GameObject* target = GetSceneManager().CreateEntity("Target");
ASSERT_NE(target, nullptr);
const uint64_t targetId = target->GetID();
m_context.GetSelectionManager().SetSelectedEntity(target->GetID());
SceneViewportMoveGizmo gizmo;
const auto startContext = MakeContext(target, Math::Vector2(436.0f, 300.0f));
gizmo.Update(startContext);
ASSERT_TRUE(gizmo.TryBeginDrag(startContext, m_context.GetUndoManager()));
ASSERT_TRUE(gizmo.IsActive());
const auto dragContext = MakeContext(target, Math::Vector2(500.0f, 300.0f));
gizmo.Update(dragContext);
gizmo.UpdateDrag(dragContext);
gizmo.EndDrag(m_context.GetUndoManager());
const Math::Vector3 movedPosition = target->GetTransform()->GetPosition();
EXPECT_GT(movedPosition.x, 0.05f);
EXPECT_NEAR(movedPosition.y, 0.0f, 1e-4f);
EXPECT_NEAR(movedPosition.z, 0.0f, 1e-4f);
EXPECT_TRUE(m_context.GetUndoManager().CanUndo());
m_context.GetUndoManager().Undo();
Components::GameObject* restoredTarget = GetSceneManager().GetEntity(targetId);
ASSERT_NE(restoredTarget, nullptr);
const Math::Vector3 restoredPosition = restoredTarget->GetTransform()->GetPosition();
EXPECT_NEAR(restoredPosition.x, 0.0f, 1e-4f);
EXPECT_NEAR(restoredPosition.y, 0.0f, 1e-4f);
EXPECT_NEAR(restoredPosition.z, 0.0f, 1e-4f);
}
} // namespace
} // namespace XCEngine::Editor

33
tests/editor/test_scene_viewport_overlay_renderer.cpp
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@@ -48,9 +48,11 @@ bool IsPowerOfTenSpacing(float value) {
} // namespace
using XCEngine::Editor::BuildSceneGridParameters;
using XCEngine::Editor::BuildSceneViewportAxisDragPlaneNormal;
using XCEngine::Editor::SceneViewportCameraController;
using XCEngine::Editor::BuildSceneViewportProjectionMatrix;
using XCEngine::Editor::BuildSceneViewportViewMatrix;
using XCEngine::Editor::ProjectSceneViewportWorldPoint;
using XCEngine::Editor::SceneGridParameters;
using XCEngine::Editor::SceneViewportOverlayData;
using XCEngine::Components::GameObject;
@@ -219,3 +221,34 @@ TEST(SceneViewportOverlayRenderer_Test, ViewMatrixMatchesSceneCameraTransformCon
cameraObject.GetTransform()->GetWorldToLocalMatrix(),
1e-3f));
}
TEST(SceneViewportOverlayRenderer_Test, ProjectSceneViewportWorldPointMapsOriginToViewportCenter) {
SceneViewportOverlayData overlay = {};
overlay.valid = true;
overlay.cameraPosition = Vector3(0.0f, 0.0f, -5.0f);
overlay.cameraForward = Vector3::Forward();
overlay.cameraRight = Vector3::Right();
overlay.cameraUp = Vector3::Up();
overlay.verticalFovDegrees = 60.0f;
overlay.nearClipPlane = 0.03f;
overlay.farClipPlane = 2000.0f;
const auto projected = ProjectSceneViewportWorldPoint(overlay, 800.0f, 600.0f, Vector3::Zero());
EXPECT_TRUE(projected.visible);
EXPECT_NEAR(projected.screenPosition.x, 400.0f, 1e-3f);
EXPECT_NEAR(projected.screenPosition.y, 300.0f, 1e-3f);
}
TEST(SceneViewportOverlayRenderer_Test, BuildSceneViewportAxisDragPlaneNormalFallsBackWhenForwardAlignsWithAxis) {
SceneViewportOverlayData overlay = {};
overlay.valid = true;
overlay.cameraForward = Vector3::Right();
overlay.cameraRight = Vector3::Back();
overlay.cameraUp = Vector3::Up();
Vector3 planeNormal = Vector3::Zero();
ASSERT_TRUE(BuildSceneViewportAxisDragPlaneNormal(overlay, Vector3::Right(), planeNormal));
EXPECT_NEAR(Vector3::Dot(planeNormal, Vector3::Right()), 0.0f, 1e-4f);
EXPECT_GT(planeNormal.SqrMagnitude(), 0.5f);
}