加入 Node节点类 还未测试新框架

source/EngineFrame/Base/Node.cpp

@@ -0,0 +1,549 @@
+#include "Node.h"
+#include "EngineCore/Game.h"
+void Node::Init()
+{
+}
+void Node::HandleEvents(SDL_Event *e)
+{
+}
+inline void Node::Update(float deltaTime)
+{
+    if (children_.IsEmpty())
+    {
+        return;
+    }
+
+    RefPtr<Node> child = children_.GetFirst();
+    while (child)
+    {
+        if (child->GetZOrder() >= 0)
+            break;
+
+        child->Update(deltaTime);
+        child = child->GetNext();
+    }
+
+    UpdateSelf(deltaTime);
+
+
+    while (child)
+    {
+        child->Update(deltaTime);
+        child = child->GetNext();
+    }
+}
+inline void Node::PreRender()
+{
+}
+inline void Node::Render()
+{
+}
+void Node::Clear()
+{
+}
+
+void Node::UpdateSelf(float deltaTime)
+{
+    // 如果有回调函数，则调用回调函数
+    if (cb_update_.size() > 0)
+    {
+        for (auto &cb : cb_update_)
+        {
+            cb.second(deltaTime);
+        }
+    }
+}
+
+void Node::RemoveFromParent()
+{
+    if (parent_)
+    {
+        parent_->RemoveChild(this);
+    }
+}
+inline void Node::PauseUpdating()
+{
+    update_pausing_ = true;
+}
+inline void Node::ResumeUpdating()
+{
+    update_pausing_ = false;
+}
+inline bool Node::IsUpdatePausing() const
+{
+    return update_pausing_;
+}
+
+void Node::SetCallbackOnUpdate(std::string Key, const UpdateCallback &cb)
+{
+    cb_update_[Key] = cb;
+}
+
+void Node::RemoveCallbackOnUpdate(std::string Key)
+{
+    cb_update_.erase(Key);
+}
+
+bool Node::ContainsPoint(const glm::vec2 &point) const
+{
+    // if (size_.x == 0.f || size_.y == 0.f)
+    return false;
+    // glm::vec2 local = ConvertToLocal(point);
+    // return local.x >= 0 && local.y >= 0 && local.x <= size_.x && local.y <= size_.y;
+}
+
+glm::vec2 Node::ConvertToLocal(const glm::vec2 &point) const
+{
+    glm::vec2 local = GetTransformInverseMatrix().Transform(point);
+    return local;
+}
+
+glm::vec2 Node::ConvertToWorld(const glm::vec2 &point) const
+{
+    glm::vec2 world = GetTransformMatrix().Transform(point);
+    return world;
+}
+
+void Node::ShowBorder(bool show)
+{
+    show_border_ = show;
+}
+
+Node::Node() : visible_(true), update_pausing_(false), show_border_(false), parent_(nullptr), anchor_(0.0f, 0.0f), z_order_(0), opacity_(1.f), name_("Node")
+{
+    Game::GetInstance().m_nodeCount++;
+}
+
+Node::~Node()
+{
+    Game::GetInstance().m_nodeCount--;
+    RemoveAllChildren();
+}
+
+void Node::UpdateTransform() const
+{
+    if (!dirty_flag_.Has(DirtyFlag::DirtyTransform))
+        return;
+    dirty_flag_.Unset(DirtyFlag::DirtyTransform);
+    dirty_flag_.Set(DirtyFlag::DirtyTransformInverse);
+    dirty_flag_.Set(DirtyFlag::DirtyVisibility);
+
+    if (transform_.IsFast())
+    {
+        transform_matrix_to_parent_ = Matrix3x2::Translation(transform_.position);
+    }
+    else
+    {
+        transform_matrix_to_parent_ = transform_.ToMatrix();
+    }
+
+    glm::vec2 anchor_offset(-size_.width * anchor_.x, -size_.height * anchor_.y);
+    transform_matrix_to_parent_.Translate(anchor_offset);
+
+    transform_matrix_ = transform_matrix_to_parent_;
+    if (parent_)
+    {
+        transform_matrix_ *= parent_->transform_matrix_;
+    }
+
+    for (const auto &child : children_)
+        child->dirty_flag_.Set(DirtyFlag::DirtyTransform);
+}
+
+void Node::UpdateTransformUpwards() const
+{
+    if (parent_)
+    {
+        parent_->UpdateTransformUpwards();
+
+        if (parent_->dirty_flag_.Has(DirtyFlag::DirtyTransform))
+        {
+            dirty_flag_.Set(DirtyFlag::DirtyTransform);
+        }
+    }
+
+    UpdateTransform();
+}
+
+const Matrix3x2 &Node::GetTransformMatrix() const
+{
+    UpdateTransformUpwards();
+    return transform_matrix_;
+}
+
+const Matrix3x2 &Node::GetTransformInverseMatrix() const
+{
+    UpdateTransformUpwards();
+    if (dirty_flag_.Has(DirtyFlag::DirtyTransformInverse))
+    {
+        dirty_flag_.Unset(DirtyFlag::DirtyTransformInverse);
+        transform_matrix_inverse_ = transform_matrix_.Invert();
+    }
+    return transform_matrix_inverse_;
+}
+
+const Matrix3x2 &Node::GetTransformMatrixToParent() const
+{
+    UpdateTransformUpwards();
+    return transform_matrix_to_parent_;
+}
+
+void Node::Reorder()
+{
+    if (parent_)
+    {
+        RefPtr<Node> me = this;
+
+        parent_->children_.Remove(me);
+
+        RefPtr<Node> sibling = parent_->children_.GetLast();
+
+        if (sibling && sibling->GetZOrder() > z_order_)
+        {
+            sibling = sibling->GetPrev();
+            while (sibling)
+            {
+                if (sibling->GetZOrder() <= z_order_)
+                    break;
+                sibling = sibling->GetPrev();
+            }
+        }
+
+        if (sibling)
+        {
+            parent_->children_.InsertAfter(me, sibling);
+        }
+        else
+        {
+            parent_->children_.PushFront(me);
+        }
+    }
+}
+
+inline void Node::RemoveAllChildren()
+{
+    RefPtr<Node> next;
+    for (RefPtr<Node> child = children_.GetFirst(); child; child = next)
+    {
+        next = child->GetNext();
+        RemoveChild(child);
+    }
+}
+
+inline bool Node::IsVisible() const
+{
+    return visible_;
+}
+
+inline int Node::GetZOrder() const
+{
+    return z_order_;
+}
+
+inline glm::vec2 Node::GetPosition() const
+{
+    return transform_.position;
+}
+
+inline float Node::GetPositionX() const
+{
+    return GetPosition().x;
+}
+
+inline float Node::GetPositionY() const
+{
+    return GetPosition().y;
+}
+
+inline VecSize Node::GetSize() const
+{
+    return size_;
+}
+
+inline float Node::GetWidth() const
+{
+    return GetSize().width;
+}
+
+inline float Node::GetHeight() const
+{
+    return GetSize().height;
+}
+
+inline float Node::GetScaledWidth() const
+{
+    return GetWidth() * GetScaleX();
+}
+
+inline float Node::GetScaledHeight() const
+{
+    return GetHeight() * GetScaleY();
+}
+
+inline VecSize Node::GetScaledSize() const
+{
+    return VecSize{GetScaledWidth(), GetScaledHeight()};
+}
+
+inline glm::vec2 Node::GetAnchor() const
+{
+    return anchor_;
+}
+
+inline float Node::GetAnchorX() const
+{
+    return GetAnchor().x;
+}
+
+inline float Node::GetAnchorY() const
+{
+    return GetAnchor().y;
+}
+
+inline float Node::GetOpacity() const
+{
+    return opacity_;
+}
+
+inline float Node::GetRotation() const
+{
+    return transform_.rotation;
+}
+
+inline glm::vec2 Node::GetScale() const
+{
+    return transform_.scale;
+}
+
+inline float Node::GetScaleX() const
+{
+    return GetScale().x;
+}
+
+inline float Node::GetScaleY() const
+{
+    return GetScale().y;
+}
+
+inline glm::vec2 Node::GetSkew() const
+{
+    return transform_.skew;
+}
+
+inline float Node::GetSkewX() const
+{
+    return GetSkew().x;
+}
+
+inline float Node::GetSkewY() const
+{
+    return GetSkew().y;
+}
+
+inline Y_Transform Node::GetTransform() const
+{
+    return transform_;
+}
+
+inline Node *Node::GetParent() const
+{
+    return parent_;
+}
+
+inline void Node::SetVisible(bool val)
+{
+    visible_ = val;
+}
+
+inline void Node::SetName(std::string name)
+{
+    name_ = name;
+}
+
+inline void Node::SetPosition(const glm::vec2 &pos)
+{
+    if (transform_.position == pos)
+        return;
+
+    transform_.position = pos;
+    dirty_flag_.Set(DirtyFlag::DirtyTransform);
+}
+
+inline void Node::SetPosition(float x, float y)
+{
+    this->SetPosition(glm::vec2(x, y));
+}
+
+inline void Node::SetPositionX(float x)
+{
+    this->SetPosition(glm::vec2(x, GetPosition().y));
+}
+
+inline void Node::SetPositionY(float y)
+{
+    this->SetPosition(glm::vec2(GetPosition().x, y));
+}
+
+inline void Node::MoveTo(const glm::vec2 &p)
+{
+    this->SetPosition(p);
+}
+
+inline void Node::MoveTo(float x, float y)
+{
+    this->SetPosition(glm::vec2(x, y));
+}
+
+inline void Node::MoveBy(const glm::vec2 &trans)
+{
+    this->SetPosition(transform_.position.x + trans.x, transform_.position.y + trans.y);
+}
+
+inline void Node::MoveBy(float trans_x, float trans_y)
+{
+    this->MoveBy(glm::vec2(trans_x, trans_y));
+}
+
+inline void Node::SetScale(const glm::vec2 &scale)
+{
+    if (transform_.scale == scale)
+        return;
+
+    transform_.scale = scale;
+    dirty_flag_.Set(DirtyFlag::DirtyTransform);
+}
+
+inline void Node::SetScale(float scalex, float scaley)
+{
+    this->SetScale(glm::vec2(scalex, scaley));
+}
+
+inline void Node::SetSkew(const glm::vec2 &skew)
+{
+    if (transform_.skew == skew)
+        return;
+
+    transform_.skew = skew;
+    dirty_flag_.Set(DirtyFlag::DirtyTransform);
+}
+
+inline void Node::SetSkew(float skewx, float skewy)
+{
+    this->SetSkew(glm::vec2(skewx, skewy));
+}
+
+inline void Node::SetRotation(float rotation)
+{
+    if (transform_.rotation == rotation)
+        return;
+
+    transform_.rotation = rotation;
+    dirty_flag_.Set(DirtyFlag::DirtyTransform);
+}
+
+inline void Node::SetAnchor(const glm::vec2 &anchor)
+{
+    if (anchor_ == anchor)
+        return;
+
+    anchor_ = anchor;
+    dirty_flag_.Set(DirtyFlag::DirtyTransform);
+}
+
+inline void Node::SetAnchor(float anchorx, float anchory)
+{
+    this->SetAnchor(glm::vec2(anchorx, anchory));
+}
+
+inline void Node::SetSize(const VecSize &size)
+{
+    if (size_ == size)
+        return;
+
+    size_ = size;
+    dirty_flag_.Set(DirtyFlag::DirtyTransform);
+}
+
+inline void Node::SetSize(float width, float height)
+{
+    this->SetSize(VecSize{width, height});
+}
+
+inline void Node::SetWidth(float width)
+{
+    this->SetSize(width, GetHeight());
+}
+
+inline void Node::SetHeight(float height)
+{
+    this->SetSize(GetWidth(), height);
+}
+
+inline void Node::SetOpacity(float opacity)
+{
+    if (opacity_ == opacity)
+        return;
+
+    opacity_ = std::min(std::max(opacity, 0.f), 1.f);
+    dirty_flag_.Set(DirtyFlag::DirtyOpacity);
+}
+
+inline void Node::SetTransform(const Y_Transform &transform)
+{
+    transform_ = transform;
+    dirty_flag_.Set(DirtyFlag::DirtyTransform);
+}
+
+inline void Node::SetZOrder(int zorder)
+{
+    if (z_order_ != zorder)
+    {
+        z_order_ = zorder;
+        Reorder();
+    }
+}
+
+void Node::AddChild(RefPtr<Node> child)
+{
+    if (child)
+    {
+        assert(!child->parent_ && "Actor::AddChild failed, the actor to be added already has a parent");
+
+        children_.PushBack(child);
+        child->parent_ = this;
+
+        child->dirty_flag_.Set(DirtyFlag::DirtyTransform);
+        child->dirty_flag_.Set(DirtyFlag::DirtyOpacity);
+        child->Reorder();
+    }
+    else
+    {
+        SDL_LogError(0, "Actor::AddChild failed, NULL pointer exception");
+    }
+}
+
+Node::NodeList &Node::GetAllChildren()
+{
+    return children_;
+}
+
+const Node::NodeList &Node::GetAllChildren() const
+{
+    return children_;
+}
+
+inline void Node::RemoveChild(RefPtr<Node> child)
+{
+    if (children_.IsEmpty())
+        return;
+
+    if (child)
+    {
+        child->parent_ = nullptr;
+        children_.Remove(child);
+    }
+    else
+    {
+        SDL_LogError(0, "Actor::RemoveChild failed, NULL pointer exception");
+    }
+}