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Collada: added import property to disable unit size scaling

pull/5193/head
Martin Weber 2023-08-04 09:54:55 +02:00
parent 60989a598e
commit bb1873dd22
3 changed files with 21 additions and 6 deletions
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17
code/AssetLib/Collada/ColladaLoader.cpp
View File

@ -95,6 +95,7 @@ ColladaLoader::ColladaLoader() :
noSkeletonMesh(false),
removeEmptyBones(false),
ignoreUpDirection(false),
ignoreUnitSize(false),
useColladaName(false),
mNodeNameCounter(0) {
// empty
@ -122,6 +123,7 @@ void ColladaLoader::SetupProperties(const Importer *pImp) {
noSkeletonMesh = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_NO_SKELETON_MESHES, 0) != 0;
removeEmptyBones = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_REMOVE_EMPTY_BONES, true) != 0;
ignoreUpDirection = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_IGNORE_UP_DIRECTION, 0) != 0;
ignoreUnitSize = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_IGNORE_UNIT_SIZE, 0) != 0;
useColladaName = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_USE_COLLADA_NAMES, 0) != 0;
}
@ -170,12 +172,15 @@ void ColladaLoader::InternReadFile(const std::string &pFile, aiScene *pScene, IO
// ... then fill the materials with the now adjusted settings
FillMaterials(parser, pScene);
// Apply unit-size scale calculation
pScene->mRootNode->mTransformation *= aiMatrix4x4(parser.mUnitSize, 0, 0, 0,
0, parser.mUnitSize, 0, 0,
0, 0, parser.mUnitSize, 0,
0, 0, 0, 1);
if (!ignoreUnitSize) {
// Apply unit-size scale calculation
pScene->mRootNode->mTransformation *= aiMatrix4x4(
parser.mUnitSize, 0, 0, 0,
0, parser.mUnitSize, 0, 0,
0, 0, parser.mUnitSize, 0,
0, 0, 0, 1);
}
if (!ignoreUpDirection) {
// Convert to Y_UP, if different orientation
if (parser.mUpDirection == ColladaParser::UP_X) {

1
code/AssetLib/Collada/ColladaLoader.h
View File

@ -239,6 +239,7 @@ protected:
bool noSkeletonMesh;
bool removeEmptyBones;
bool ignoreUpDirection;
bool ignoreUnitSize;
bool useColladaName;
/** Used by FindNameForNode() to generate unique node names */

9
include/assimp/config.h.in
View File

@ -1035,6 +1035,15 @@ enum aiComponent
*/
#define AI_CONFIG_IMPORT_COLLADA_IGNORE_UP_DIRECTION "IMPORT_COLLADA_IGNORE_UP_DIRECTION"
// ---------------------------------------------------------------------------
/** @brief Specifies whether the Collada loader will ignore the provided unit size.
*
* If this property is set to true, the unit size provided in the file header will
* be ignored and the file will be loaded without scaling the assets.
* Property type: Bool. Default value: false.
*/
#define AI_CONFIG_IMPORT_COLLADA_IGNORE_UNIT_SIZE "IMPORT_COLLADA_IGNORE_UNIT_SIZE"
// ---------------------------------------------------------------------------
/** @brief Specifies whether the Collada loader should use Collada names.
*