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assimp: Support custom object properties as tags

This commit is contained in:
rdb 2022-11-02 20:50:45 +01:00
parent ffe2137680
commit 2044861597
1 changed files with 39 additions and 0 deletions
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39
pandatool/src/assimp/assimpLoader.cxx
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@ -39,6 +39,7 @@
#include "pvector.h"
#include "cmath.h"
#include "deg_2_rad.h"
#include "string_utils.h"
#include "pandaIOSystem.h"
#include "pandaLogger.h"
@ -1040,6 +1041,44 @@ load_node(const aiNode &node, PandaNode *parent) {
parent->add_child(pnode);
}
if (node.mMetaData != nullptr) {
for (unsigned i = 0; i < node.mMetaData->mNumProperties; ++i) {
const aiMetadataEntry &entry = node.mMetaData->mValues[i];
std::string value;
switch (entry.mType) {
//case AI_BOOL:
// value = (*static_cast<bool *>(entry.mData)) ? "1" : "";
// break;
case (aiMetadataType)1: // AI_INT32
value = format_string(*static_cast<int32_t *>(entry.mData));
break;
case AI_UINT64:
value = format_string(*static_cast<uint64_t *>(entry.mData));
break;
case AI_FLOAT:
value = format_string(*static_cast<float *>(entry.mData));
break;
case AI_AISTRING:
{
const aiString *str = static_cast<const aiString *>(entry.mData);
value = std::string(str->data, str->length);
}
break;
default:
// Special case because AI_DOUBLE was added in Assimp 4.0 with the same
// value as AI_AISTRING. Defined as if so that we don't get a duplicate
// case error with moder ncompilers.
if (entry.mType == (aiMetadataType)4) {
value = format_string(*static_cast<double *>(entry.mData));
break;
}
continue;
}
const aiString &key = node.mMetaData->mKeys[i];
pnode->set_tag(std::string(key.data, key.length), std::move(value));
}
}
// Load in the transformation matrix.
const aiMatrix4x4 &t = node.mTransformation;
if (!t.IsIdentity()) {