134 lines
2.7 KiB
C++
134 lines
2.7 KiB
C++
#include "..\e2dbase.h"
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#include "..\e2dtransition.h"
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#include "..\e2dnode.h"
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e2d::Transition::Transition(Scene* scene, float duration)
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: done_(false)
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, started_()
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, delta_(0)
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, out_scene_(nullptr)
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, in_scene_(scene)
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, out_layer_(nullptr)
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, in_layer_(nullptr)
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, out_layer_param_()
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, in_layer_param_()
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{
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duration_ = std::max(duration, 0.f);
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if (in_scene_)
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in_scene_->Retain();
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}
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e2d::Transition::~Transition()
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{
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SafeRelease(out_layer_);
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SafeRelease(in_layer_);
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GC::GetInstance()->SafeRelease(out_scene_);
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GC::GetInstance()->SafeRelease(in_scene_);
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}
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bool e2d::Transition::IsDone()
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{
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return done_;
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}
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bool e2d::Transition::Init(Game * game, Scene * prev)
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{
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started_ = Time::Now();
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out_scene_ = prev;
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if (out_scene_)
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out_scene_->Retain();
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HRESULT hr = S_OK;
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auto renderer = Renderer::GetInstance();
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if (in_scene_)
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{
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hr = renderer->GetRenderTarget()->CreateLayer(&in_layer_);
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}
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if (SUCCEEDED(hr) && out_scene_)
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{
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hr = renderer->GetRenderTarget()->CreateLayer(&out_layer_);
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}
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if (FAILED(hr))
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{
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return false;
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}
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out_layer_param_ = in_layer_param_ = D2D1::LayerParameters(
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D2D1::InfiniteRect(),
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nullptr,
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D2D1_ANTIALIAS_MODE_PER_PRIMITIVE,
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D2D1::Matrix3x2F::Identity(),
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1.f,
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renderer->GetSolidBrush(),
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D2D1_LAYER_OPTIONS_NONE
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);
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return true;
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}
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void e2d::Transition::Update()
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{
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if (duration_ == 0)
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{
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delta_ = 1;
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}
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else
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{
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delta_ = (Time::Now() - started_).Seconds() / duration_;
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delta_ = std::min(delta_, 1.f);
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}
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}
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void e2d::Transition::Draw()
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{
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auto render_target = Renderer::GetInstance()->GetRenderTarget();
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auto size = Window::GetInstance()->GetSize();
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if (out_scene_)
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{
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auto rootPos = out_scene_->GetPos();
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auto clipRect = D2D1::RectF(
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std::max(rootPos.x, 0.f),
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std::max(rootPos.y, 0.f),
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std::min(rootPos.x + size.width, size.width),
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std::min(rootPos.y + size.height, size.height)
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);
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render_target->SetTransform(D2D1::Matrix3x2F::Identity());
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render_target->PushAxisAlignedClip(clipRect, D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
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render_target->PushLayer(out_layer_param_, out_layer_);
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out_scene_->Visit();
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render_target->PopLayer();
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render_target->PopAxisAlignedClip();
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}
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if (in_scene_)
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{
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Point rootPos = in_scene_->GetPos();
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auto clipRect = D2D1::RectF(
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std::max(rootPos.x, 0.f),
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std::max(rootPos.y, 0.f),
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std::min(rootPos.x + size.width, size.width),
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std::min(rootPos.y + size.height, size.height)
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);
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render_target->SetTransform(D2D1::Matrix3x2F::Identity());
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render_target->PushAxisAlignedClip(clipRect, D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
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render_target->PushLayer(in_layer_param_, in_layer_);
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in_scene_->Visit();
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render_target->PopLayer();
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render_target->PopAxisAlignedClip();
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}
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}
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void e2d::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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