124 lines
3.2 KiB
C++
124 lines
3.2 KiB
C++
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#include "PipelineMerger.hpp"
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#include "RenderItemMatcher.hpp"
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#include "RenderItemMergeFunction.hpp"
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const double PipelineMerger::e(2.71828182845904523536);
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const double PipelineMerger::s(0.5);
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void PipelineMerger::mergePipelines(const Pipeline & a, const Pipeline & b, Pipeline & out, RenderItemMatcher::MatchResults & results, RenderItemMergeFunction & mergeFunction, float ratio)
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{
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const double x = ( ratio - 0.5 ) * 20;
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const double sigmoid = 1.0 / ( 1.0 + e - s * x );
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const double invratio = 1.0 - ratio;
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out.textureWrap = ( ratio < 0.5 ) ? a.textureWrap : b.textureWrap;
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out.screenDecay = lerp ( b.screenDecay, a.screenDecay, ratio );
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out.drawables.clear();
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out.compositeDrawables.clear();
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for ( std::vector<RenderItem*>::const_iterator pos = a.drawables.begin();
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pos != a.drawables.end(); ++pos )
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{
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( *pos )->masterAlpha = invratio;
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out.drawables.push_back ( *pos );
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}
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for ( std::vector<RenderItem*>::const_iterator pos = b.drawables.begin();
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pos != b.drawables.end();++pos )
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{
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( *pos )->masterAlpha = ratio;
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out.drawables.push_back ( *pos );
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}
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if(ratio < 0.5)
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{
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const double local_ratio = (invratio - 0.5) * 2;
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for (std::vector<RenderItem*>::const_iterator pos = a.compositeDrawables.begin();
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pos != a.compositeDrawables.end(); ++pos)
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{
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(*pos)->masterAlpha = local_ratio;
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out.compositeDrawables.push_back(*pos);
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}
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}
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else
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{
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const double local_ratio = (ratio - 0.5) * 2;
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for (std::vector<RenderItem*>::const_iterator pos = b.compositeDrawables.begin();
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pos != b.compositeDrawables.end();++pos)
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{
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(*pos)->masterAlpha = local_ratio;
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out.compositeDrawables.push_back(*pos);
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}
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}
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/*
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for (RenderItemMatchList::iterator pos = results.matches.begin(); pos != results.matches.end(); ++pos) {
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RenderItem * itemA = pos->first;
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RenderItem * itemB = pos->second;
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RenderItem * itemC = mergeFunction(itemA, itemB, ratio);
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if (itemC == 0) {
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itemA->masterAlpha = ratio;
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out.drawables.push_back(itemA);
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itemB->masterAlpha = invratio;
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out.drawables.push_back(itemB);
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} else
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out.drawables.push_back(itemC);
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}
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for (std::vector<RenderItem*>::const_iterator pos = results.unmatchedLeft.begin();
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pos != results.unmatchedLeft.end(); ++pos)
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{
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(*pos)->masterAlpha = invratio;
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out.drawables.push_back(*pos);
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}
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for (std::vector<RenderItem*>::const_iterator pos = results.unmatchedRight.begin();
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pos != results.unmatchedRight.end(); ++pos)
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{
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(*pos)->masterAlpha = ratio;
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out.drawables.push_back(*pos);
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}
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*/
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if (a.staticPerPixel && b.staticPerPixel)
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{
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out.staticPerPixel = true;
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for (int x=0;x<a.gx;x++)
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{
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for(int y=0;y<a.gy;y++)
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{
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out.x_mesh[x][y] = a.x_mesh[x][y]* invratio + b.x_mesh[x][y]*ratio;
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}
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}
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for (int x=0;x<a.gx;x++)
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{
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for(int y=0;y<a.gy;y++)
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{
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out.y_mesh[x][y] = a.y_mesh[x][y]* invratio + b.y_mesh[x][y]*ratio;
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}
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}
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}
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if(ratio < 0.5)
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{
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out.compositeShader = a.compositeShader;
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out.warpShader = a.warpShader;
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}
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else
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{
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out.compositeShader = b.compositeShader;
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out.warpShader = b.warpShader;
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}
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}
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