SwitchGame/source/EngineFrame/Component/Component.cpp

#include "Component.h"
#include "EngineFrame/Actor/Actor.h"

Component::Component()
{
}

Component::~Component()
{
}

void Component::Init()
{
}
void Component::HandleEvents(SDL_Event *e)
{
}

void Component::Update(float deltaTime)
{
}

void Component::Render(float deltaTime)
{
}

void Component::Clear()
{
}

void Component::SetName(std::string name)
{
    m_Name = name;
}

void Component::OnAdded(Actor *actor)
{
    this->Parent = actor;
}

int Component::GetRenderZOrder()
{
    return this->RenderZOrder;
}

void Component::ReorderComponents()
{
    if (Parent)
    {
        RefPtr<Component> me = this;
        Parent->m_Components.Remove(me);
        RefPtr<Component> sibling = Parent->m_Components.GetLast();
        if (sibling && sibling->GetRenderZOrder() > RenderZOrder)
        {
            sibling = sibling->GetPrev();
            while (sibling)
            {
                if (sibling->GetRenderZOrder() <= RenderZOrder)
                    break;
                sibling = sibling->GetPrev();
            }
        }
        if (sibling)
        {
            Parent->m_Components.InsertAfter(me, sibling);
        }
        else
        {
            Parent->m_Components.PushFront(me);
        }
    }
}

void Component::SetRenderZOrder(int zOrder)
{
    if (zOrder != this->RenderZOrder)
    {
        this->RenderZOrder = zOrder;
        ReorderComponents();
    }
}