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handle an empty vector more gracefully

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This commit is contained in:
Chris Brunner 2008-08-29 21:54:47 +00:00
parent 844591b17c
commit d9b8296fc8
1 changed files with 4 additions and 3 deletions
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7
panda/src/chan/animChannelMatrixXfmTable.cxx
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@ -407,8 +407,7 @@ write_datagram(BamWriter *manager, Datagram &me) {
// Now, write out the joint angles. For these we need to build up
// a HPR array.
vector_LVecBase3f hprs;
int hprs_length =
max(max(_tables[6].size(), _tables[7].size()), _tables[8].size());
int hprs_length = max(max(_tables[6].size(), _tables[7].size()), _tables[8].size());
hprs.reserve(hprs_length);
for (i = 0; i < hprs_length; i++) {
float h = _tables[6].empty() ? 0.0f : _tables[6][i % _tables[6].size()];
@ -416,7 +415,9 @@ write_datagram(BamWriter *manager, Datagram &me) {
float r = _tables[8].empty() ? 0.0f : _tables[8][i % _tables[8].size()];
hprs.push_back(LVecBase3f(h, p, r));
}
compressor.write_hprs(me, &hprs[0], hprs_length);
if (hprs_length != 0) {
compressor.write_hprs(me, &hprs[0], hprs_length);
}
// And now the translations.
for(i = 9; i < num_matrix_components; i++) {