Revision 191,
833 bytes
checked in by bittner, 19 years ago
(diff) |
basic sampling strategies
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1 | #include <iostream>
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2 | using namespace std;
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3 | #include "Pvs.h"
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4 |
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5 | KdPvsData *
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6 | KdPvs::Find(KdNode *node)
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7 | {
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8 | KdPvsMap::iterator i = mEntries.find(node);
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9 | if (i != mEntries.end()) {
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10 | // cout<<node<<" "<<(*i).first<<" "<<(*i).second.mVisibleSamples<<endl;
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11 | return &(*i).second;
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12 | } else
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13 | return NULL;
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14 | }
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15 |
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16 | int
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17 | KdPvs::AddNodeSample(KdNode *node)
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18 | {
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19 | int result;
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20 |
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21 | KdPvsData *data = Find(node);
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22 | if (data) {
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23 | data->mVisibleSamples++;
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24 | result = 0;
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25 | } else {
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26 | mEntries[node] = KdPvsData(1);
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27 | result = 1;
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28 | }
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29 | return result;
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30 | }
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31 |
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32 |
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33 | void
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34 | KdPvs::GetData(const int index,
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35 | KdNode *&node,
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36 | KdPvsData &data
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37 | )
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38 | {
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39 | KdPvsMap::iterator i = mEntries.begin();
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40 | for (int k = 0; k!=index && i != mEntries.end(); i++, k++);
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41 | node = (*i).first;
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42 | data = (*i).second;
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43 | }
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