397 lines
8.3 KiB
C++
397 lines
8.3 KiB
C++
// Copyright (c) 2016-2018 Kiwano - 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 "Transition.h"
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#include "Node.h"
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#include "Scene.h"
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#include "../base/window.h"
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#include "../base/logs.h"
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#include "../renderer/render.h"
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namespace kiwano
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{
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//-------------------------------------------------------
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// Transition
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//-------------------------------------------------------
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Transition::Transition(Duration duration)
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: done_(false)
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, duration_(duration)
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, delta_()
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, process_(0)
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, window_size_()
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, out_scene_(nullptr)
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, in_scene_(nullptr)
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, out_layer_(nullptr)
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, in_layer_(nullptr)
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, out_layer_prop_()
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, in_layer_prop_()
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{
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}
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Transition::~Transition()
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{
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}
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bool Transition::IsDone()
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{
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return done_;
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}
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void Transition::Init(ScenePtr prev, ScenePtr next)
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{
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process_ = 0;
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delta_ = Duration{};
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out_scene_ = prev;
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in_scene_ = next;
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if (in_scene_)
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{
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ThrowIfFailed(
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Renderer::Instance()->CreateLayer(in_layer_)
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);
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}
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if (out_scene_)
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{
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ThrowIfFailed(
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Renderer::Instance()->CreateLayer(out_layer_)
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);
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}
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window_size_ = Renderer::Instance()->GetOutputSize();
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out_layer_prop_ = in_layer_prop_ = LayerProperties{ Rect(Point(), window_size_),1.f };
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}
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void Transition::Update(Duration dt)
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{
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if (duration_.IsZero())
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{
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process_ = 1;
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}
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else
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{
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delta_ += dt;
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process_ = std::min(delta_ / duration_, 1.f);
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}
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if (process_ >= 1)
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{
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this->Stop();
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}
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}
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void Transition::Render()
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{
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auto renderer = Renderer::Instance();
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if (out_scene_)
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{
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renderer->PushClip(
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out_scene_->GetTransformMatrix(),
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window_size_
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);
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renderer->PushLayer(out_layer_, out_layer_prop_);
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out_scene_->Render();
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renderer->PopLayer();
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renderer->PopClip();
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}
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if (in_scene_)
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{
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renderer->PushClip(
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in_scene_->GetTransformMatrix(),
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window_size_
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);
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renderer->PushLayer(in_layer_, in_layer_prop_);
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in_scene_->Render();
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renderer->PopLayer();
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renderer->PopClip();
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}
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}
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void Transition::Stop()
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{
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done_ = true;
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Reset();
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}
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//-------------------------------------------------------
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// BoxTransition
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//-------------------------------------------------------
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BoxTransition::BoxTransition(Duration duration)
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: Transition(duration)
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{
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}
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void BoxTransition::Init(ScenePtr prev, ScenePtr next)
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{
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Transition::Init(prev, next);
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in_layer_prop_.opacity = 0;
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}
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void BoxTransition::Update(Duration dt)
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{
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Transition::Update(dt);
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if (process_ < .5f)
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{
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out_layer_prop_.area = Rect(
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window_size_.x * process_,
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window_size_.y * process_,
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window_size_.x * (1 - process_ * 2),
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window_size_.y * (1 - process_ * 2)
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);
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}
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else
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{
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out_layer_prop_.opacity = 0;
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in_layer_prop_.opacity = 1;
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in_layer_prop_.area = Rect(
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window_size_.x * (1 - process_),
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window_size_.y * (1 - process_),
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window_size_.x * (2 * process_ - 1),
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window_size_.y * (2 * process_ - 1)
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);
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}
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}
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//-------------------------------------------------------
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// EmergeTransition
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//-------------------------------------------------------
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EmergeTransition::EmergeTransition(Duration duration)
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: Transition(duration)
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{
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}
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void EmergeTransition::Init(ScenePtr prev, ScenePtr next)
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{
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Transition::Init(prev, next);
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out_layer_prop_.opacity = 1;
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in_layer_prop_.opacity = 0;
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}
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void EmergeTransition::Update(Duration dt)
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{
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Transition::Update(dt);
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out_layer_prop_.opacity = 1 - process_;
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in_layer_prop_.opacity = process_;
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}
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//-------------------------------------------------------
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// FadeTransition
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//-------------------------------------------------------
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FadeTransition::FadeTransition(Duration duration)
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: Transition(duration)
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{
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}
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void FadeTransition::Init(ScenePtr prev, ScenePtr next)
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{
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Transition::Init(prev, next);
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out_layer_prop_.opacity = 1;
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in_layer_prop_.opacity = 0;
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}
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void FadeTransition::Update(Duration dt)
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{
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Transition::Update(dt);
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if (process_ < 0.5)
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{
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out_layer_prop_.opacity = 1 - process_ * 2;
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in_layer_prop_.opacity = 0;
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}
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else
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{
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out_layer_prop_.opacity = 0;
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in_layer_prop_.opacity = (process_ - 0.5f) * 2;
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}
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}
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//-------------------------------------------------------
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// MoveTransition
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//-------------------------------------------------------
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MoveTransition::MoveTransition(Duration duration, Direction direction)
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: Transition(duration)
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, direction_(direction)
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{
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}
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void MoveTransition::Init(ScenePtr prev, ScenePtr next)
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{
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Transition::Init(prev, next);
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switch (direction_)
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{
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case Direction::Up:
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pos_delta_ = Point(0, -window_size_.y);
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start_pos_ = Point(0, window_size_.y);
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break;
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case Direction::Down:
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pos_delta_ = Point(0, window_size_.y);
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start_pos_ = Point(0, -window_size_.y);
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break;
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case Direction::Left:
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pos_delta_ = Point(-window_size_.x, 0);
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start_pos_ = Point(window_size_.x, 0);
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break;
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case Direction::Right:
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pos_delta_ = Point(window_size_.x, 0);
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start_pos_ = Point(-window_size_.x, 0);
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break;
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}
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if (out_scene_)
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{
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out_scene_->SetTransform(Transform{});
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}
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if (in_scene_)
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{
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auto transform = Transform{};
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transform.position = start_pos_;
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in_scene_->SetTransform(transform);
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}
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}
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void MoveTransition::Update(Duration dt)
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{
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Transition::Update(dt);
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if (out_scene_)
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{
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auto transform = Transform{};
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transform.position = pos_delta_ * process_;
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out_scene_->SetTransform(transform);
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}
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if (in_scene_)
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{
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auto transform = Transform{};
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transform.position = start_pos_ + pos_delta_ * process_;
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in_scene_->SetTransform(transform);
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}
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}
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void MoveTransition::Reset()
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{
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if (out_scene_)
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{
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out_scene_->SetTransform(Transform{});
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}
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if (in_scene_)
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{
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in_scene_->SetTransform(Transform{});
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}
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}
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//-------------------------------------------------------
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// RotationTransition
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//-------------------------------------------------------
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RotationTransition::RotationTransition(Duration duration, float rotation)
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: Transition(duration)
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, rotation_(rotation)
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{
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}
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void RotationTransition::Init(ScenePtr prev, ScenePtr next)
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{
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Transition::Init(prev, next);
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auto transform = Transform{};
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transform.position = Point{ window_size_.x / 2, window_size_.y / 2 };
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if (out_scene_)
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{
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out_scene_->SetTransform(transform);
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out_scene_->SetAnchor(0.5f, 0.5f);
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}
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if (in_scene_)
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{
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in_scene_->SetTransform(transform);
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in_scene_->SetAnchor(0.5f, 0.5f);
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}
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in_layer_prop_.opacity = 0;
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}
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void RotationTransition::Update(Duration dt)
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{
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Transition::Update(dt);
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if (process_ < .5f)
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{
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if (out_scene_)
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{
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auto transform = out_scene_->GetTransform();
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transform.scale = Point{ (.5f - process_) * 2, (.5f - process_) * 2 };
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transform.rotation = rotation_ * (.5f - process_) * 2;
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out_scene_->SetTransform(transform);
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}
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}
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else
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{
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if (in_scene_)
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{
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out_layer_prop_.opacity = 0;
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in_layer_prop_.opacity = 1;
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auto transform = in_scene_->GetTransform();
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transform.scale = Point{ (process_ - .5f) * 2, (process_ - .5f) * 2 };
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transform.rotation = rotation_ * (process_ - .5f) * 2;
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in_scene_->SetTransform(transform);
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}
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}
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}
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void RotationTransition::Reset()
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{
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if (out_scene_)
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{
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out_scene_->SetTransform(Transform{});
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out_scene_->SetAnchor(0.f, 0.f);
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}
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if (in_scene_)
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{
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in_scene_->SetTransform(Transform{});
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in_scene_->SetAnchor(0.f, 0.f);
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}
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}
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}
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