First pass for getting things ready for grid snap button (#1118)

* first pass of change to simplify snapping for snap-to-grid button and fix snapping bug caused by non-uniform scale
This commit is contained in:
Tom Hulton-Harrop
2021-06-04 14:32:06 +01:00
committed by GitHub
parent f20ae8345a
commit 05e20803a8
15 changed files with 295 additions and 260 deletions
@@ -12,17 +12,22 @@
#pragma once
#include <AzToolsFramework/Manipulators/ManipulatorManager.h>
#include <AzToolsFramework/Manipulators/ManipulatorBus.h>
#include <AzToolsFramework/Manipulators/LinearManipulator.h>
#include <AzToolsFramework/Manipulators/ManipulatorBus.h>
#include <AzToolsFramework/Manipulators/ManipulatorManager.h>
#include <AzToolsFramework/Manipulators/PlanarManipulator.h>
namespace AzManipulatorTestFramework
{
//! Create a linear manipulator with a unit sphere bounds.
//! Create a linear manipulator with a unit sphere bound.
AZStd::shared_ptr<AzToolsFramework::LinearManipulator> CreateLinearManipulator(
const AzToolsFramework::ManipulatorManagerId manipulatorManagerId,
const AZ::Vector3& position = AZ::Vector3::CreateZero(),
const float radius = 1.0f);
const AzToolsFramework::ManipulatorManagerId manipulatorManagerId, const AZ::Vector3& position = AZ::Vector3::CreateZero(),
float radius = 1.0f);
//! Create a planar manipulator with a unit sphere bound.
AZStd::shared_ptr<AzToolsFramework::PlanarManipulator> CreatePlanarManipulator(
const AzToolsFramework::ManipulatorManagerId manipulatorManagerId, const AZ::Vector3& position = AZ::Vector3::CreateZero(),
float radius = 1.0f);
//! Create a mouse pick from the specified ray and screen point.
AzToolsFramework::ViewportInteraction::MousePick CreateMousePick(
@@ -34,14 +39,12 @@ namespace AzManipulatorTestFramework
//! Create a mouse interaction from the specified pick, buttons, interaction id and keyboard modifiers.
AzToolsFramework::ViewportInteraction::MouseInteraction CreateMouseInteraction(
const AzToolsFramework::ViewportInteraction::MousePick& mousePick,
AzToolsFramework::ViewportInteraction::MouseButtons buttons,
const AzToolsFramework::ViewportInteraction::MousePick& mousePick, AzToolsFramework::ViewportInteraction::MouseButtons buttons,
AzToolsFramework::ViewportInteraction::InteractionId interactionId,
AzToolsFramework::ViewportInteraction::KeyboardModifiers modifiers);
//! Create a mouse buttons from the specified mouse button.
AzToolsFramework::ViewportInteraction::MouseButtons CreateMouseButtons(
AzToolsFramework::ViewportInteraction::MouseButton button);
AzToolsFramework::ViewportInteraction::MouseButtons CreateMouseButtons(AzToolsFramework::ViewportInteraction::MouseButton button);
//! Create a mouse interaction event from the specified interaction and event.
AzToolsFramework::ViewportInteraction::MouseInteractionEvent CreateMouseInteractionEvent(
@@ -61,5 +64,5 @@ namespace AzManipulatorTestFramework
AzFramework::ScreenPoint GetCameraStateViewportCenter(const AzFramework::CameraState& cameraState);
//! Default viewport size (1080p) in 16:9 aspect ratio.
const auto DefaultViewportSize = AZ::Vector2(1920.0f, 1080.0f);
inline const auto DefaultViewportSize = AZ::Vector2(1920.0f, 1080.0f);
} // namespace AzManipulatorTestFramework
@@ -14,7 +14,6 @@
#include <AzFramework/Viewport/ViewportScreen.h>
#include <AzManipulatorTestFramework/AzManipulatorTestFrameworkUtils.h>
#include <AzToolsFramework/ViewportSelection/EditorInteractionSystemViewportSelectionRequestBus.h>
#include <AzToolsFramework/ViewportSelection/EditorInteractionSystemViewportSelectionRequestBus.h>
#include <AzToolsFramework/ViewportSelection/EditorTransformComponentSelectionRequestBus.h>
namespace AzManipulatorTestFramework
@@ -28,22 +27,21 @@ namespace AzManipulatorTestFramework
using MouseEvent = AzToolsFramework::ViewportInteraction::MouseEvent;
using MousePick = AzToolsFramework::ViewportInteraction::MousePick;
AZStd::shared_ptr<AzToolsFramework::LinearManipulator> CreateLinearManipulator(
const AzToolsFramework::ManipulatorManagerId manipulatorManagerId,
const AZ::Vector3& position,
const float radius)
// create a default sphere view for a manipulator for simple intersection
template<typename Manipulator>
void SetupManipulatorView(
AZStd::shared_ptr<Manipulator> manipulator, const AzToolsFramework::ManipulatorManagerId manipulatorManagerId,
const AZ::Vector3& position, const float radius)
{
auto manipulator = AzToolsFramework::LinearManipulator::MakeShared(AZ::Transform::CreateIdentity());
manipulator->SetLocalPosition(position);
// unit sphere view
auto sphereView = AzToolsFramework::CreateManipulatorViewSphere(
AZ::Colors::Red, radius,
[](const MouseInteraction& /*mouseInteraction*/, const bool /*mouseOver*/,
const AZ::Color& defaultColor)
{
return defaultColor;
}, true);
[]([[maybe_unused]] const MouseInteraction& mouseInteraction, [[maybe_unused]] const bool mouseOver,
const AZ::Color& defaultColor)
{
return defaultColor;
},
true);
// unit sphere bound
AzToolsFramework::Picking::BoundShapeSphere sphereBound;
@@ -62,6 +60,26 @@ namespace AzManipulatorTestFramework
// this would occur internally when the manipulator is drawn but we must do manually here to ensure that the
// bounds will always be valid upon instantiation
view->RefreshBound(manipulatorManagerId, manipulator->GetManipulatorId(), sphereBound);
}
AZStd::shared_ptr<AzToolsFramework::LinearManipulator> CreateLinearManipulator(
const AzToolsFramework::ManipulatorManagerId manipulatorManagerId, const AZ::Vector3& position, const float radius)
{
auto manipulator = AzToolsFramework::LinearManipulator::MakeShared(AZ::Transform::CreateIdentity());
manipulator->SetLocalPosition(position);
SetupManipulatorView(manipulator, manipulatorManagerId, position, radius);
return manipulator;
}
AZStd::shared_ptr<AzToolsFramework::PlanarManipulator> CreatePlanarManipulator(
const AzToolsFramework::ManipulatorManagerId manipulatorManagerId, const AZ::Vector3& position, const float radius)
{
auto manipulator = AzToolsFramework::PlanarManipulator::MakeShared(AZ::Transform::CreateIdentity());
manipulator->SetLocalPosition(position);
SetupManipulatorView(manipulator, manipulatorManagerId, position, radius);
return manipulator;
}
@@ -104,8 +122,7 @@ namespace AzManipulatorTestFramework
return buttons;
}
MouseInteractionEvent CreateMouseInteractionEvent(
const MouseInteraction& mouseInteraction, MouseEvent event)
MouseInteractionEvent CreateMouseInteractionEvent(const MouseInteraction& mouseInteraction, MouseEvent event)
{
return MouseInteractionEvent(mouseInteraction, event);
}
@@ -114,8 +131,7 @@ namespace AzManipulatorTestFramework
{
AzToolsFramework::EditorInteractionSystemViewportSelectionRequestBus::Event(
AzToolsFramework::GetEntityContextId(),
&AzToolsFramework::ViewportInteraction::InternalMouseViewportRequests::InternalHandleAllMouseInteractions,
event);
&AzToolsFramework::ViewportInteraction::InternalMouseViewportRequests::InternalHandleAllMouseInteractions, event);
}
AzFramework::CameraState SetCameraStatePosition(const AZ::Vector3& position, AzFramework::CameraState& cameraState)
@@ -133,9 +149,7 @@ namespace AzManipulatorTestFramework
AzFramework::ScreenPoint GetCameraStateViewportCenter(const AzFramework::CameraState& cameraState)
{
return {
aznumeric_cast<int>(cameraState.m_viewportSize.GetX() / 2.f),
aznumeric_cast<int>(cameraState.m_viewportSize.GetY() / 2.f)
};
return { aznumeric_cast<int>(cameraState.m_viewportSize.GetX() / 2.f),
aznumeric_cast<int>(cameraState.m_viewportSize.GetY() / 2.f) };
}
} // namespace UnitTest
} // namespace AzManipulatorTestFramework
@@ -10,52 +10,55 @@
*
*/
#include "AzManipulatorTestFrameworkTestFixtures.h"
#include <AzCore/std/smart_ptr/unique_ptr.h>
#include <AzFramework/Viewport/ViewportScreen.h>
#include <AzManipulatorTestFramework/AzManipulatorTestFramework.h>
#include "AzManipulatorTestFrameworkTestFixtures.h"
#include <AzManipulatorTestFramework/DirectManipulatorViewportInteraction.h>
#include <AzManipulatorTestFramework/IndirectManipulatorViewportInteraction.h>
#include <AzManipulatorTestFramework/ImmediateModeActionDispatcher.h>
#include <AzManipulatorTestFramework/AzManipulatorTestFrameworkUtils.h>
#include <AzManipulatorTestFramework/DirectManipulatorViewportInteraction.h>
#include <AzManipulatorTestFramework/ImmediateModeActionDispatcher.h>
#include <AzManipulatorTestFramework/IndirectManipulatorViewportInteraction.h>
#include <AzToolsFramework/Manipulators/LinearManipulator.h>
#include <AzToolsFramework/Manipulators/PlanarManipulator.h>
#include <AzToolsFramework/ViewportSelection/EditorSelectionUtil.h>
#include <AZTestShared/Math/MathTestHelpers.h>
namespace UnitTest
{
class GridSnappingFixture
: public ToolsApplicationFixture
class GridSnappingFixture : public ToolsApplicationFixture
{
public:
GridSnappingFixture()
: m_viewportManipulatorInteraction(AZStd::make_unique<AzManipulatorTestFramework::DirectCallManipulatorViewportInteraction>())
, m_actionDispatcher(AZStd::make_unique<AzManipulatorTestFramework::ImmediateModeActionDispatcher>(*m_viewportManipulatorInteraction))
, m_linearManipulator(
AzManipulatorTestFramework::CreateLinearManipulator(
m_viewportManipulatorInteraction->GetManipulatorManager().GetId(),
/*position=*/AZ::Vector3(0.0f, 50.0f, 0.0f),
/*radius=*/m_boundsRadius))
{}
, m_actionDispatcher(
AZStd::make_unique<AzManipulatorTestFramework::ImmediateModeActionDispatcher>(*m_viewportManipulatorInteraction))
{
}
protected:
void SetUpEditorFixtureImpl() override
{
m_cameraState = AzFramework::CreateIdentityDefaultCamera(
AZ::Vector3::CreateZero(), AzManipulatorTestFramework::DefaultViewportSize);
m_cameraState =
AzFramework::CreateIdentityDefaultCamera(AZ::Vector3::CreateZero(), AzManipulatorTestFramework::DefaultViewportSize);
}
public:
const float m_boundsRadius = 1.0f;
AZStd::unique_ptr<AzManipulatorTestFramework::ManipulatorViewportInteraction> m_viewportManipulatorInteraction;
AZStd::unique_ptr<AzManipulatorTestFramework::ImmediateModeActionDispatcher> m_actionDispatcher;
AZStd::shared_ptr<AzToolsFramework::LinearManipulator> m_linearManipulator;
AzFramework::CameraState m_cameraState;
};
TEST_F(GridSnappingFixture, MouseDownWithSnappingEnabledSnapsToClosestGridSize)
{
AZStd::shared_ptr<AzToolsFramework::LinearManipulator> linearManipulator(AzManipulatorTestFramework::CreateLinearManipulator(
m_viewportManipulatorInteraction->GetManipulatorManager().GetId(),
/*position=*/AZ::Vector3(0.0f, 50.0f, 0.0f),
/*radius=*/m_boundsRadius));
// the initial starting position of the manipulator (in front of the camera)
const auto initialPositionWorld = m_linearManipulator->GetLocalPosition();
const auto initialPositionWorld = linearManipulator->GetLocalPosition();
// where the manipulator should end up (in front and to the left of the camera)
const auto finalPositionWorld = AZ::Vector3(-10.0f, 50.0f, 0.0f);
// perspective scale factor for manipulator distance to camera
@@ -66,21 +69,18 @@ namespace UnitTest
// adjusted final world position taking into account the manipulator position relative to the camera
const auto finalPositionWorldAdjusted = finalPositionWorld - (vectorToInitialPositionWorld * scaledRadiusBound);
// calculate the position in screen space of the initial position of the manipulator
const auto initialPositionScreen =
AzFramework::WorldToScreen(initialPositionWorld, m_cameraState);
const auto initialPositionScreen = AzFramework::WorldToScreen(initialPositionWorld, m_cameraState);
// calculate the position in screen space of the final position of the manipulator
const auto finalPositionScreen = AzFramework::WorldToScreen(finalPositionWorldAdjusted, m_cameraState);
// callback to update the manipulator's current position
m_linearManipulator->InstallMouseMoveCallback(
[this](const AzToolsFramework::LinearManipulator::Action& action)
{
auto pos = action.LocalPosition();
m_linearManipulator->SetLocalPosition(pos);
});
linearManipulator->InstallMouseMoveCallback(
[this, linearManipulator](const AzToolsFramework::LinearManipulator::Action& action)
{
linearManipulator->SetLocalPosition(action.LocalPosition());
});
m_actionDispatcher
->EnableSnapToGrid()
m_actionDispatcher->EnableSnapToGrid()
->GridSize(5.0f)
->CameraState(m_cameraState)
->MousePosition(initialPositionScreen)
@@ -89,7 +89,67 @@ namespace UnitTest
->MousePosition(finalPositionScreen)
->MouseLButtonUp()
->ExpectManipulatorNotBeingInteracted()
->ExpectTrue(m_linearManipulator->GetLocalPosition().IsClose(finalPositionWorld, 0.01f))
;
->ExpectTrue(linearManipulator->GetLocalPosition().IsClose(finalPositionWorld, 0.01f));
}
template<typename Manipulator>
void ValidateManipulatorSnappingBehavior(
AZStd::shared_ptr<Manipulator> manipulator, AzManipulatorTestFramework::ImmediateModeActionDispatcher* actionDispatcher,
const AzFramework::CameraState& cameraState)
{
manipulator->SetLocalOrientation(AZ::Quaternion::CreateFromEulerAnglesDegrees(AZ::Vector3(180.0f, 0.0f, 135.0f)));
// the initial starting position of the manipulator (in front of the camera)
const auto initialPositionWorld = manipulator->GetLocalPosition() + AZ::Vector3::CreateAxisX(0.15f);
// where the manipulator should end up (unmoved)
const auto finalPositionWorld = manipulator->GetLocalPosition();
// where we should move the mouse to
const auto attemptPositionWorld = manipulator->GetLocalPosition() + AZ::Vector3::CreateAxisX(0.35f);
// calculate the position in screen space of the initial position of the manipulator
const auto initialPositionScreen = AzFramework::WorldToScreen(initialPositionWorld, cameraState);
// calculate the position in screen space of the final position of the manipulator
const auto attemptPositionScreen = AzFramework::WorldToScreen(attemptPositionWorld, cameraState);
// callback to update the manipulator's current position
manipulator->InstallMouseMoveCallback(
[manipulator](const typename Manipulator::Action& action)
{
manipulator->SetLocalPosition(action.LocalPosition());
});
actionDispatcher->EnableSnapToGrid()
->GridSize(1.0f)
->CameraState(cameraState)
->MousePosition(initialPositionScreen)
->MouseLButtonDown()
->ExpectManipulatorBeingInteracted()
->MousePosition(attemptPositionScreen)
->MouseLButtonUp()
->ExpectManipulatorNotBeingInteracted()
->ExpectThat(manipulator->GetLocalPosition(), IsCloseTolerance(finalPositionWorld, 0.01f));
}
TEST_F(GridSnappingFixture, MouseDownAndMoveLinearManipulatorDoesNotSnapWithMovementSmallerThanHalfGridSize)
{
AZStd::shared_ptr<AzToolsFramework::LinearManipulator> linearManipulator(AzManipulatorTestFramework::CreateLinearManipulator(
m_viewportManipulatorInteraction->GetManipulatorManager().GetId(),
/*position=*/AZ::Vector3(0.0f, 10.0f, 0.0f),
/*radius=*/m_boundsRadius));
linearManipulator->SetAxis(AZ::Vector3::CreateAxisY());
ValidateManipulatorSnappingBehavior(linearManipulator, m_actionDispatcher.get(), m_cameraState);
}
TEST_F(GridSnappingFixture, MouseDownAndMovePlanarManipulatorDoesNotSnapWithMovementSmallerThanHalfGridSize)
{
AZStd::shared_ptr<AzToolsFramework::PlanarManipulator> planarManipulator(AzManipulatorTestFramework::CreatePlanarManipulator(
m_viewportManipulatorInteraction->GetManipulatorManager().GetId(),
/*position=*/AZ::Vector3(0.0f, 10.0f, 0.0f),
/*radius=*/m_boundsRadius));
planarManipulator->SetAxes(AZ::Vector3::CreateAxisY(), AZ::Vector3::CreateAxisZ());
ValidateManipulatorSnappingBehavior(planarManipulator, m_actionDispatcher.get(), m_cameraState);
}
} // namespace UnitTest