720 lines
13 KiB
C++
720 lines
13 KiB
C++
// Copyright (c) 2016-2018 Easy2D - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "Node.h"
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#include "Scene.h"
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#include "Task.h"
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#include "Action.hpp"
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#include "render.h"
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#include "logs.h"
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namespace easy2d
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{
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namespace
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{
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float default_pivot_x = 0.f;
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float default_pivot_y = 0.f;
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}
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void Node::SetDefaultPivot(float pivot_x, float pivot_y)
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{
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default_pivot_x = pivot_x;
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default_pivot_y = pivot_y;
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}
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Node::Node()
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: visible_(true)
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, parent_(nullptr)
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, hash_name_(0)
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, clip_enabled_(false)
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, dirty_sort_(false)
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, dirty_transform_(false)
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, border_(nullptr)
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, order_(0)
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, transform_()
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, display_opacity_(1.f)
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, real_opacity_(1.f)
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, children_()
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, initial_matrix_()
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, final_matrix_()
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, border_color_(Color::Red, 0.6f)
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{
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transform_.pivot.x = default_pivot_x;
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transform_.pivot.y = default_pivot_y;
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}
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Node::~Node()
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{
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SafeRelease(border_);
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}
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void Node::Visit()
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{
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if (!visible_)
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return;
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auto graphics = devices::Graphics::Instance();
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if (clip_enabled_)
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{
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graphics->PushClip(final_matrix_, transform_.size);
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}
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if (children_.IsEmpty())
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{
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graphics->SetTransform(final_matrix_);
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OnDraw();
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}
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else
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{
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// <20>ӽڵ<D3BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
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if (dirty_sort_)
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{
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children_.Sort(
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[](spNode const& n1, spNode const& n2) { return n1->GetOrder() < n2->GetOrder(); }
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);
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dirty_sort_ = false;
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}
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spNode child = children_.First();
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for (spNode next; child; child = next)
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{
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next = child->NextItem();
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if (child->GetOrder() < 0)
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{
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child->Visit();
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}
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else
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{
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break;
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}
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}
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graphics->SetTransform(final_matrix_);
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OnDraw();
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for (spNode next; child; child = next)
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{
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next = child->NextItem();
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child->Visit();
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}
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}
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if (clip_enabled_)
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{
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graphics->PopClip();
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}
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}
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void Node::Update(Duration const& dt)
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{
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if (children_.IsEmpty())
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{
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OnUpdate(dt);
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UpdateActions(this, dt);
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UpdateTasks(dt);
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UpdateTransform();
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}
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else
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{
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// <20><><EFBFBD><EFBFBD> Order С<><D0A1><EFBFBD><EFBFBD><EFBFBD>Ľڵ<C4BD>
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spNode child = children_.First();
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for (spNode next; child; child = next)
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{
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if (child->GetOrder() < 0)
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{
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next = child->NextItem();
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child->Update(dt);
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}
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else
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{
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break;
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}
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}
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OnUpdate(dt);
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UpdateActions(this, dt);
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UpdateTasks(dt);
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UpdateTransform();
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for (spNode next; child; child = next)
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{
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next = child->NextItem();
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child->Update(dt);
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}
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}
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}
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void Node::DrawBorder()
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{
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if (visible_)
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{
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if (border_)
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{
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devices::Graphics::Instance()->DrawGeometry(border_, border_color_, 1.f, 1.5f);
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}
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for (auto& child = children_.First(); child; child = child->NextItem())
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{
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child->DrawBorder();
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}
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}
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}
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void Node::UpdateTransform()
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{
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if (!dirty_transform_)
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return;
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dirty_transform_ = false;
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final_matrix_ = transform_.ToMatrix();
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initial_matrix_ = final_matrix_ * math::Matrix::Translation(
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Point{ transform_.size.width * transform_.pivot.x, transform_.size.height * transform_.pivot.y }
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);
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if (parent_)
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{
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initial_matrix_ = initial_matrix_ * parent_->initial_matrix_;
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final_matrix_ = final_matrix_ * parent_->initial_matrix_;
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}
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// <20><><EFBFBD>¹<EFBFBD><C2B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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SafeRelease(border_);
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ThrowIfFailed(
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devices::Graphics::Instance()->CreateRectGeometry(final_matrix_, transform_.size, &border_)
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);
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for (auto& child = children_.First(); child; child = child->NextItem())
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{
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child->dirty_transform_ = true;
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}
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}
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bool Node::Dispatch(const MouseEvent & e, bool handled)
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{
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if (visible_)
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{
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spNode prev;
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for (auto& child = children_.Last(); child; child = prev)
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{
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prev = child->PrevItem();
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handled = child->Dispatch(e, handled);
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}
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auto handler = dynamic_cast<MouseEventHandler*>(this);
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if (handler)
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handler->Handle(e);
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}
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return handled;
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}
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bool Node::Dispatch(const KeyEvent & e, bool handled)
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{
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if (visible_)
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{
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spNode prev;
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for (auto& child = children_.Last(); child; child = prev)
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{
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prev = child->PrevItem();
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handled = child->Dispatch(e, handled);
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}
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auto handler = dynamic_cast<KeyEventHandler*>(this);
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if (handler)
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handler->Handle(e);
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}
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return handled;
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}
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void Node::UpdateOpacity()
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{
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if (parent_)
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{
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display_opacity_ = real_opacity_ * parent_->display_opacity_;
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}
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for (auto& child = children_.First(); child; child = child->NextItem())
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{
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child->UpdateOpacity();
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}
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}
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bool Node::IsVisible() const
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{
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return visible_;
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}
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const String& Node::GetName() const
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{
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return name_;
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}
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size_t Node::GetHashName() const
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{
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return hash_name_;
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}
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const Point& Node::GetPosition() const
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{
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return transform_.position;
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}
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float Node::GetWidth() const
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{
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return transform_.size.width * transform_.scale.x;
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}
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float Node::GetHeight() const
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{
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return transform_.size.height * transform_.scale.y;
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}
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float Node::GetRealWidth() const
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{
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return transform_.size.width;
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}
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float Node::GetRealHeight() const
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{
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return transform_.size.height;
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}
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const Size& Node::GetRealSize() const
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{
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return transform_.size;
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}
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float Node::GetPivotX() const
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{
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return transform_.pivot.x;
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}
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float Node::GetPivotY() const
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{
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return transform_.pivot.y;
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}
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Size Node::GetSize() const
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{
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return Size{ GetWidth(), GetHeight() };
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}
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float Node::GetScaleX() const
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{
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return transform_.scale.x;
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}
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float Node::GetScaleY() const
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{
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return transform_.scale.y;
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}
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float Node::GetSkewX() const
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{
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return transform_.skew.x;
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}
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float Node::GetSkewY() const
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{
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return transform_.skew.y;
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}
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float Node::GetRotation() const
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{
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return transform_.rotation;
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}
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float Node::GetOpacity() const
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{
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return real_opacity_;
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}
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float Node::GetDisplayOpacity() const
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{
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return display_opacity_;
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}
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int Node::GetOrder() const
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{
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return order_;
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}
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void Node::SetOrder(int order)
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{
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if (order_ == order)
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return;
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order_ = order;
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if (parent_)
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{
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parent_->dirty_sort_ = true;
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}
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}
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void Node::SetPositionX(float x)
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{
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this->SetPosition(x, transform_.position.y);
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}
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void Node::SetPositionY(float y)
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{
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this->SetPosition(transform_.position.x, y);
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}
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void Node::SetPosition(const Point & p)
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{
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this->SetPosition(p.x, p.y);
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}
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void Node::SetPosition(float x, float y)
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{
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if (transform_.position.x == x && transform_.position.y == y)
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return;
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transform_.position.x = x;
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transform_.position.y = y;
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dirty_transform_ = true;
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}
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void Node::MoveBy(float x, float y)
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{
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this->SetPosition(transform_.position.x + x, transform_.position.y + y);
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}
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void Node::MoveBy(const Point & v)
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{
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this->MoveBy(v.x, v.y);
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}
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void Node::SetScaleX(float scale_x)
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{
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this->SetScale(scale_x, transform_.scale.y);
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}
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void Node::SetScaleY(float scale_y)
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{
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this->SetScale(transform_.scale.x, scale_y);
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}
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void Node::SetScale(float scale)
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{
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this->SetScale(scale, scale);
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}
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void Node::SetScale(float scale_x, float scale_y)
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{
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if (transform_.scale.x == scale_x && transform_.scale.y == scale_y)
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return;
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transform_.scale.x = scale_x;
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transform_.scale.y = scale_y;
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dirty_transform_ = true;
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}
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void Node::SetSkewX(float skew_x)
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{
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this->SetSkew(skew_x, transform_.skew.y);
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}
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void Node::SetSkewY(float skew_y)
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{
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this->SetSkew(transform_.skew.x, skew_y);
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}
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void Node::SetSkew(float skew_x, float skew_y)
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{
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if (transform_.skew.x == skew_x && transform_.skew.y == skew_y)
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return;
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transform_.skew.x = skew_x;
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transform_.skew.y = skew_y;
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dirty_transform_ = true;
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}
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void Node::SetRotation(float angle)
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{
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if (transform_.rotation == angle)
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return;
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transform_.rotation = angle;
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dirty_transform_ = true;
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}
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void Node::SetOpacity(float opacity)
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{
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if (real_opacity_ == opacity)
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return;
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display_opacity_ = real_opacity_ = std::min(std::max(opacity, 0.f), 1.f);
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// <20><><EFBFBD>½ڵ<C2BD><EFBFBD><CDB8><EFBFBD><EFBFBD>
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UpdateOpacity();
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}
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void Node::SetPivotX(float pivot_x)
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{
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this->SetPivot(pivot_x, transform_.pivot.y);
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}
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void Node::SetPivotY(float pivot_y)
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{
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this->SetPivot(transform_.pivot.x, pivot_y);
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}
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void Node::SetPivot(float pivot_x, float pivot_y)
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{
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if (transform_.pivot.x == pivot_x && transform_.pivot.y == pivot_y)
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return;
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transform_.pivot.x = pivot_x;
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transform_.pivot.y = pivot_y;
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dirty_transform_ = true;
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}
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void Node::SetWidth(float width)
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{
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this->SetSize(width, transform_.size.height);
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}
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void Node::SetHeight(float height)
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{
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this->SetSize(transform_.size.width, height);
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}
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void Node::SetSize(float width, float height)
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{
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if (transform_.size.width == width && transform_.size.height == height)
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return;
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transform_.size.width = width;
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transform_.size.height = height;
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dirty_transform_ = true;
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}
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void Node::SetSize(const Size& size)
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{
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this->SetSize(size.width, size.height);
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}
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Transform const& Node::GetTransform() const
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{
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return transform_;
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}
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void Node::SetTransform(Transform const& transform)
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{
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transform_ = transform;
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dirty_transform_ = true;
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}
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void Node::SetClipEnabled(bool enabled)
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{
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clip_enabled_ = enabled;
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}
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void Node::SetBorderColor(const Color & color)
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{
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border_color_ = color;
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}
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void Node::AddChild(spNode const& child, int order)
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{
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if (!child)
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logs::Warningln("Node::AddChild failed, child is nullptr");
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if (child)
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{
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#ifdef E2D_DEBUG
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if (child->parent_)
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logs::Errorln("The node to be added already has a parent");
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for (Node* parent = parent_; parent; parent = parent->parent_)
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if (parent == child)
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logs::Errorln("A node cannot be its own parent");
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#endif // E2D_DEBUG
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children_.PushBack(Node::ItemType(child));
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child->parent_ = this;
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child->dirty_transform_ = true;
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child->SetOrder(order);
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child->UpdateOpacity();
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dirty_sort_ = true;
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}
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}
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void Node::AddChild(const Nodes& nodes, int order)
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{
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for (const auto& node : nodes)
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{
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this->AddChild(node, order);
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}
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}
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spNode Node::GetParent() const
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{
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return parent_;
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}
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Rect Node::GetBounds()
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{
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return Rect(Point{}, transform_.size);
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}
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Node::Nodes Node::GetChildren(const String& name) const
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{
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Nodes children;
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size_t hash_code = std::hash<String>{}(name);
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for (auto child = children_.First(); child != children_.Last(); child = child->NextItem())
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{
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if (child->hash_name_ == hash_code && child->name_ == name)
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{
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children.push_back(child);
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}
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}
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return children;
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}
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spNode Node::GetChild(const String& name) const
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{
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size_t hash_code = std::hash<String>{}(name);
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for (auto child = children_.First(); child != children_.Last(); child = child->NextItem())
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{
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if (child->hash_name_ == hash_code && child->name_ == name)
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{
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return child;
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}
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}
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return nullptr;
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}
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Node::Children const & Node::GetChildren() const
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{
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return children_;
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}
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void Node::RemoveFromParent()
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{
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if (parent_)
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{
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parent_->RemoveChild(this);
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}
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}
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bool Node::RemoveChild(spNode const& child)
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{
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if (!child)
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logs::Warningln("Node::RemoveChild failed, child is nullptr");
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if (children_.IsEmpty())
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{
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return false;
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}
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if (child)
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{
|
||
children_.Remove(Node::ItemType(child));
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
void Node::RemoveChildren(const String& child_name)
|
||
{
|
||
if (children_.IsEmpty())
|
||
{
|
||
return;
|
||
}
|
||
|
||
size_t hash_code = std::hash<String>{}(child_name);
|
||
spNode next;
|
||
for (auto& child = children_.First(); child; child = next)
|
||
{
|
||
next = child->NextItem();
|
||
|
||
if (child->hash_name_ == hash_code && child->name_ == child_name)
|
||
children_.Remove(child);
|
||
}
|
||
}
|
||
|
||
void Node::RemoveAllChildren()
|
||
{
|
||
children_.Clear();
|
||
}
|
||
|
||
bool Node::ContainsPoint(const Point& point)
|
||
{
|
||
if (transform_.size.width == 0.f || transform_.size.height == 0.f)
|
||
return false;
|
||
|
||
UpdateTransform();
|
||
|
||
BOOL ret = 0;
|
||
ThrowIfFailed(
|
||
border_->FillContainsPoint(
|
||
D2D1::Point2F(point.x, point.y),
|
||
D2D1::Matrix3x2F::Identity(),
|
||
&ret
|
||
)
|
||
);
|
||
return ret != 0;
|
||
}
|
||
|
||
bool Node::Intersects(spNode const& node)
|
||
{
|
||
if (transform_.size.width == 0.f || transform_.size.height == 0.f || node->transform_.size.width == 0.f || node->transform_.size.height == 0.f)
|
||
return false;
|
||
|
||
// <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||
UpdateTransform();
|
||
node->UpdateTransform();
|
||
|
||
// <20><>ȡ<EFBFBD>ཻ״̬
|
||
D2D1_GEOMETRY_RELATION relation = D2D1_GEOMETRY_RELATION_UNKNOWN;
|
||
ThrowIfFailed(
|
||
border_->CompareWithGeometry(
|
||
node->border_,
|
||
D2D1::Matrix3x2F::Identity(),
|
||
&relation
|
||
)
|
||
);
|
||
return relation != D2D1_GEOMETRY_RELATION_UNKNOWN &&
|
||
relation != D2D1_GEOMETRY_RELATION_DISJOINT;
|
||
}
|
||
|
||
void Node::SetVisible(bool val)
|
||
{
|
||
visible_ = val;
|
||
}
|
||
|
||
void Node::SetName(const String& name)
|
||
{
|
||
if (name_ != name)
|
||
{
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>
|
||
name_ = name;
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD> Hash <20><>
|
||
hash_name_ = std::hash<String>{}(name);
|
||
}
|
||
}
|
||
} |