OnMouseButtonPressed()

bool Spices::WorldPickIDQuerier::OnMouseButtonPressed ( MouseButtonPressedEvent & e )

private

Event OnKeyPressed.

Parameters

[in]

e

Event Wrapper.

Returns

true if we need block the event.

The first frame, we will not get register pointer.

Get viewport.

Add pick.

@breif Sub pick.

@breif Single Select.

@breif Cancle Select.

The first frame, we will not get register pointer.

Get viewport.

Add pick.

@breif Sub pick.

@breif Single Select.

@breif Cancle Select.

Definition at line 27 of file WorldPickIDQuerier.cpp.

    {
        SPICES_PROFILE_ZONE;
        
        if (!SlateSystem::GetRegister()) return false;
 
        if (!m_ViewPort.lock()) m_ViewPort = SlateSystem::GetRegister()->GetViewPort();
 
        if (!m_ViewPort.lock()->IsHovered() || m_ViewPort.lock()->GetGizmo()->IsOver()) return false;
 
        if (m_ViewPort.lock()->GetMousePosInViewport().first < 0                              ||
            m_ViewPort.lock()->GetMousePosInViewport().first > m_ViewPort.lock()->GetPanelSize().x   ||
            m_ViewPort.lock()->GetMousePosInViewport().second < 0                             ||
            m_ViewPort.lock()->GetMousePosInViewport().second > m_ViewPort.lock()->GetPanelSize().y
            )
        {
            return false;
        }
 
        if (e.GetMouseButton() == Mouse::ButtonLeft)
        {
            if (Input::IsKeyPressed(Key::LeftShift) || Input::IsKeyPressed(Key::RightShift))
            {
                auto pair = m_ViewPort.lock()->GetMousePosInViewport();
 
                VulkanRenderBackend::GetRendererResourcePool()
                ->AccessRowResource("EntityID")
                ->CopyImageTexelToBuffer(
                    pair.first, 
                    pair.second, 
                    reinterpret_cast<void*>(&m_WorldPickID[0])
                );
 
                Entity entity((entt::entity)m_WorldPickID[0], FrameInfo::Get().m_World.get());
                std::string entityName = *entity.GetComponent<TagComponent>().GetTag().begin();
                
                FrameInfo::Get().m_PickEntityID.push_back(static_cast<int>(m_WorldPickID[0]), entityName);
                
                std::stringstream ss;
                ss << "Select entity: " << entityName;
 
                SPICES_CORE_TRACE(ss.str())
            }
 
            else if (Input::IsKeyPressed(Key::LeftControl) || Input::IsKeyPressed(Key::RightControl))
            {
                auto pair = m_ViewPort.lock()->GetMousePosInViewport();
 
                VulkanRenderBackend::GetRendererResourcePool()
                ->AccessRowResource("EntityID")
                ->CopyImageTexelToBuffer(
                    pair.first, 
                    pair.second, 
                    reinterpret_cast<void*>(&m_WorldPickID[0])
                );
 
                std::string* ptr = FrameInfo::Get().m_PickEntityID.find_value(static_cast<int>(m_WorldPickID[0]));
                if (ptr)
                {
                    std::stringstream ss;
                    ss << "Deselect entity: " << *ptr;
 
                    SPICES_CORE_TRACE(ss.str())
 
                    FrameInfo::Get().m_PickEntityID.erase(static_cast<int>(m_WorldPickID[0]));
                }
            }
 
            else
            {
                FrameInfo::Get().m_PickEntityID.clear();
 
                auto pair = m_ViewPort.lock()->GetMousePosInViewport();
 
                VulkanRenderBackend::GetRendererResourcePool()
                ->AccessRowResource("EntityID")
                ->CopyImageTexelToBuffer(
                    pair.first, 
                    pair.second, 
                    reinterpret_cast<void*>(&m_WorldPickID[0])
                );
 
                Entity entity((entt::entity)m_WorldPickID[0], FrameInfo::Get().m_World.get());
                std::string entityName = *entity.GetComponent<TagComponent>().GetTag().begin();
 
                FrameInfo::Get().m_PickEntityID.push_back(static_cast<int>(m_WorldPickID[0]), entityName);
 
                std::stringstream ss;
                ss << "Select entity: " << entityName;
 
                SPICES_CORE_TRACE(ss.str())
            }
        }
 
        else if (e.GetMouseButton() == Mouse::ButtonRight)
        {
            FrameInfo::Get().m_PickEntityID.clear();
 
            SPICES_CORE_TRACE("Cancel all selected entity")
        }
 
        return false;
    }

References Spices::Mouse::ButtonLeft, Spices::Mouse::ButtonRight, Spices::FrameInfo::Get(), Spices::MouseButtonEvent::GetMouseButton(), Spices::Input::IsKeyPressed(), Spices::Key::LeftControl, Spices::Key::LeftShift, m_WorldPickID, Spices::Key::RightControl, and Spices::Key::RightShift.

Referenced by OnEvent().