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Fix BTG writer for non-included index arrays.

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This commit is contained in:
James Turner 2011-10-12 17:01:52 +01:00
parent 5ede8c12ba
commit e4e31be7d4
1 changed files with 12 additions and 5 deletions
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17
simgear/io/sg_binobj.cxx
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@ -261,13 +261,13 @@ void write_indices(gzFile fp, unsigned char indexMask,
for (unsigned int i=0; i < count; ++i) {
write_indice(fp, static_cast<T>(vertices[i]));
if (!normals.empty()) {
if (indexMask & SG_IDX_NORMALS) {
write_indice(fp, static_cast<T>(normals[i]));
}
if (!colors.empty()) {
if (indexMask & SG_IDX_COLORS) {
write_indice(fp, static_cast<T>(colors[i]));
}
if (!texCoords.empty()) {
if (indexMask & SG_IDX_TEXCOORDS) {
write_indice(fp, static_cast<T>(texCoords[i]));
}
}
@ -667,6 +667,8 @@ void SGBinObject::write_objects(gzFile fp, int type, const group_list& verts,
unsigned int start = 0, end = 1;
string m;
int_list emptyList;
while (start < materials.size()) {
m = materials[start];
// find range of objects with identical material, write out as a single object
@ -692,10 +694,15 @@ void SGBinObject::write_objects(gzFile fp, int type, const group_list& verts,
// cout << "material:" << m << ", count =" << count << endl;
// elements
for (unsigned int i=start; i < end; ++i) {
const int_list& va(verts[i]);
const int_list& na((idx_mask & SG_IDX_NORMALS) ? normals[i] : emptyList);
const int_list& ca((idx_mask & SG_IDX_COLORS) ? colors[i] : emptyList);
const int_list& tca((idx_mask & SG_IDX_TEXCOORDS) ? texCoords[i] : emptyList);
if (version == 7) {
write_indices<uint16_t>(fp, idx_mask, verts[i], normals[i], colors[i], texCoords[i]);
write_indices<uint16_t>(fp, idx_mask, va, na, ca, tca);
} else {
write_indices<uint32_t>(fp, idx_mask, verts[i], normals[i], colors[i], texCoords[i]);
write_indices<uint32_t>(fp, idx_mask, va, na, ca, tca);
}
}