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105 lines
4.5 KiB
C++
105 lines
4.5 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2017 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* 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 IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __OPENSPACE_MODULE_MULTIRESVOLUME___BRICKSELECTION___H__
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#define __OPENSPACE_MODULE_MULTIRESVOLUME___BRICKSELECTION___H__
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#include <modules/multiresvolume/rendering/brickcover.h>
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namespace openspace {
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struct BrickSelection {
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enum SplitType {
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None = 0,
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Temporal = 1,
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Spatial = 2
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};
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unsigned int brickIndex;
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float splitPoints;
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BrickSelection::SplitType splitType;
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BrickCover cover;
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int lowT;
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int highT;
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int nSpatialSplits;
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int nTemporalSplits;
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BrickSelection() {}
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BrickSelection(int numBricks, int numTimeSteps, SplitType splitType, float splitPoints) {
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this->cover = BrickCover(numBricks);
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this->lowT = 0;
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this->highT = numTimeSteps;
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this->brickIndex = 0;
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this->splitType = splitType;
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this->splitPoints = splitPoints;
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this->nSpatialSplits = 0;
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this->nTemporalSplits = 0;
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}
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BrickSelection splitSpatially(bool x, bool y, bool z, unsigned int childBrickIndex, SplitType childSplitType, float childSplitPoints) {
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BrickSelection child = initSplitChild(cover.split(x, y, z), childBrickIndex, childSplitType, childSplitPoints);
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child.nSpatialSplits++;
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return child;
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}
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BrickSelection splitTemporally(bool t, unsigned int childBrickIndex, SplitType childSplitType, float childSplitPoints) {
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BrickSelection child = initSplitChild(cover, childBrickIndex, childSplitType, childSplitPoints);
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child.nTemporalSplits++;
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if (t) {
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child.lowT = centerT();
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} else {
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child.highT = centerT();
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}
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return child;
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}
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BrickSelection initSplitChild(BrickCover childCover, unsigned int childBrickIndex, SplitType childSplitType, float childSplitPoints) {
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BrickSelection child = BrickSelection(0, 0, childSplitType, childSplitPoints);
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child.cover = childCover;
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child.brickIndex = childBrickIndex;
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child.nSpatialSplits = nSpatialSplits;
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child.nTemporalSplits = nTemporalSplits;
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child.lowT = lowT;
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child.highT = highT;
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return child;
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}
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int centerT() {
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return lowT + (highT - lowT) / 2;
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}
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bool timestepInRightChild(int timestep) {
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return timestep >= centerT();
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}
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static bool compareSplitPoints(const BrickSelection& a, const BrickSelection& b) {
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return a.splitPoints < b.splitPoints;
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}
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};
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} // namespace openspace
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#endif // __OPENSPACE_MODULE_MULTIRESVOLUME___BRICKSELECTION___H__
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