136 lines
2.6 KiB
C++
136 lines
2.6 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(double duration)
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: _end(false)
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, _last(0)
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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 = max(duration, 0);
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}
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e2d::Transition::~Transition()
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{
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SafeReleaseInterface(_outLayer);
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SafeReleaseInterface(_inLayer);
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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::onDestroy()
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{
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SafeRelease(_outScene);
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SafeRelease(_inScene);
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}
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void e2d::Transition::_init(Scene * prev, Scene * next)
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{
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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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ASSERT(false, "Create layer failed!");
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}
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_last = Time::getTotalTime();
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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::getSize();
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_outLayerParam = _inLayerParam = D2D1::LayerParameters();
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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 = min((Time::getTotalTime() - _last) / _duration, 1);
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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::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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float(max(rootPos.x, 0)),
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float(max(rootPos.y, 0)),
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float(min(rootPos.x + _windowSize.width, _windowSize.width)),
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float(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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// 渲染场景
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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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float(max(rootPos.x, 0)),
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float(max(rootPos.y, 0)),
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float(min(rootPos.x + _windowSize.width, _windowSize.width)),
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float(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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// 渲染场景
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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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