Last change
on this file since 2798 was
2798,
checked in by ldelgass, 13 years ago
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Add emacs mode magic line in preparation for indentation cleanup
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-
Property svn:eol-style set to
native
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File size:
933 bytes
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1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | #include "BucketSort.h" |
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3 | |
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4 | using namespace PCA; |
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5 | |
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6 | void |
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7 | BucketSort::init() |
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8 | { |
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9 | _count = 0; |
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10 | memset(_buffer, 0, sizeof(ClusterList*) * _size); |
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11 | } |
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12 | |
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13 | void |
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14 | BucketSort::sort(ClusterAccel* clusterAccel, const Mat4x4& cameraMat, int level) |
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15 | { |
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16 | if (clusterAccel == 0) { |
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17 | return; |
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18 | } |
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19 | Cluster* cluster = clusterAccel->startPointerCluster[level - 1]; |
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20 | Cluster* c = &(cluster[0]); |
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21 | Cluster* end = &(cluster[clusterAccel->numOfClusters[level - 1] - 1]); |
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22 | |
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23 | Vector3 pos; |
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24 | for (; c <= end; c = (Cluster*) ((char *)c + sizeof(Cluster))) { |
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25 | pos.transform(c->centroid, cameraMat); |
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26 | addBucket(c, pos.length()*_invMaxLength); |
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27 | } |
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28 | } |
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29 | |
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30 | void |
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31 | BucketSort::addBucket(Cluster* cluster, float ratio) |
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32 | { |
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33 | int index = (int) (ratio * _size); |
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34 | ClusterList* c = &(_memChunck[_count++]); |
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35 | c->data = cluster; |
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36 | c->next =_buffer[index]; |
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37 | _buffer[index] = c; |
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38 | } |
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39 | |
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