140 lines
2.8 KiB
C++
140 lines
2.8 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(float duration)
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: _end(false)
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, _last()
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, _delta(0)
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, _outScene(nullptr)
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, _inScene(nullptr)
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, _outLayer(nullptr)
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, _inLayer(nullptr)
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, _outLayerParam()
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, _inLayerParam()
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{
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_duration = std::max(duration, 0.f);
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}
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e2d::Transition::~Transition()
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{
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SafeRelease(_outLayer);
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SafeRelease(_inLayer);
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GC::getInstance()->safeRelease(_outScene);
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GC::getInstance()->safeRelease(_inScene);
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}
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bool e2d::Transition::isDone()
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{
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return _end;
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}
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void e2d::Transition::_init(Scene * prev, Scene * next)
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{
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auto renderer = Renderer::getInstance();
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// 创建图层
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HRESULT hr = renderer->getRenderTarget()->CreateLayer(&_inLayer);
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if (SUCCEEDED(hr))
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{
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hr = renderer->getRenderTarget()->CreateLayer(&_outLayer);
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}
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if (FAILED(hr))
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{
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throw SystemException(L"场景过渡动画图层创建失败");
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}
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_last = Game::getInstance()->getTotalDuration();
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_outScene = prev;
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_inScene = next;
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if (_outScene) _outScene->retain();
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if (_inScene) _inScene->retain();
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_windowSize = Window::getInstance()->getSize();
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_outLayerParam = _inLayerParam = 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->getSolidColorBrush(),
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D2D1_LAYER_OPTIONS_NONE
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);
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}
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void e2d::Transition::_update()
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{
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// 计算动作进度
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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 = (Game::getInstance()->getTotalDuration() - _last).seconds() / _duration;
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_delta = std::min(_delta, 1.f);
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}
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this->_updateCustom();
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// 更新场景内容
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if (_outScene)
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{
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_outScene->update();
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}
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if (_inScene)
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{
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_inScene->update();
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}
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}
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void e2d::Transition::_render()
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{
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auto pRT = Renderer::getInstance()->getRenderTarget();
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if (_outScene)
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{
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Point rootPos = _outScene->getRoot()->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 + _windowSize.width, _windowSize.width),
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std::min(rootPos.y + _windowSize.height, _windowSize.height)
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);
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pRT->SetTransform(D2D1::Matrix3x2F::Identity());
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pRT->PushAxisAlignedClip(clipRect, D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
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pRT->PushLayer(_outLayerParam, _outLayer);
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_outScene->render();
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pRT->PopLayer();
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pRT->PopAxisAlignedClip();
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}
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if (_inScene)
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{
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Point rootPos = _inScene->getRoot()->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 + _windowSize.width, _windowSize.width),
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std::min(rootPos.y + _windowSize.height, _windowSize.height)
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);
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pRT->SetTransform(D2D1::Matrix3x2F::Identity());
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pRT->PushAxisAlignedClip(clipRect, D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
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pRT->PushLayer(_inLayerParam, _inLayer);
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_inScene->render();
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pRT->PopLayer();
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pRT->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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_end = true;
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_reset();
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}
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