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Update assimpShapeLoader.cpp

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fix front sign handling
Fix check for bounds in an assimp file
This commit is contained in:
marauder2k7 2026-06-28 07:52:35 +01:00
parent dc8aa598ed
commit b3a7049083
1 changed files with 14 additions and 3 deletions
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17
Engine/source/ts/assimp/assimpShapeLoader.cpp
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@ -277,6 +277,17 @@ void AssimpShapeLoader::enumerateScene()
getRootAxisTransform(); getRootAxisTransform();
bool fileHasBounds = false;
for (U32 i = 0; i < mScene->mNumMeshes && !fileHasBounds; ++i)
{
if (dStricmp(mScene->mMeshes[i]->mName.C_Str(), "bounds") == 0)
fileHasBounds = true;
}
if (!fileHasBounds)
fileHasBounds = (AssimpAppNode::findChildNodeByName("bounds", mScene->mRootNode) != nullptr);
Con::printf("[ASSIMP] Bounds pre-scan: %s", fileHasBounds ? "found in scene" : "not found - will synthesise");
for (U32 i = 0; i < mScene->mNumTextures; ++i) { for (U32 i = 0; i < mScene->mNumTextures; ++i) {
extractTexture(i, mScene->mTextures[i]); extractTexture(i, mScene->mTextures[i]);
} }
@ -317,7 +328,7 @@ void AssimpShapeLoader::enumerateScene()
// Bounds check — every Torque shape needs a bounds node. // Bounds check — every Torque shape needs a bounds node.
// If the source file didn't include one, synthesise it // If the source file didn't include one, synthesise it
if (!boundsNode) if (!fileHasBounds)
{ {
Con::printf("[ASSIMP] No 'bounds' node found - adding synthetic bounds node."); Con::printf("[ASSIMP] No 'bounds' node found - adding synthetic bounds node.");
aiNode* boundsAiNode = new aiNode("bounds"); aiNode* boundsAiNode = new aiNode("bounds");
@ -396,7 +407,7 @@ void AssimpShapeLoader::configureImportUnits() {
void AssimpShapeLoader::getRootAxisTransform() void AssimpShapeLoader::getRootAxisTransform()
{ {
int upAxis = 1, upSign = 1; int upAxis = 1, upSign = 1;
int frontAxis = 2, frontSign = -1; int frontAxis = 2, frontSign = 1;
int coordAxis = 0, coordSign = 1; int coordAxis = 0, coordSign = 1;
aiMetadata* meta = mScene->mMetaData; aiMetadata* meta = mScene->mMetaData;
@ -441,7 +452,7 @@ void AssimpShapeLoader::getRootAxisTransform()
return v; return v;
}; };
Point3F forward = axisToVector(frontAxis, -frontSign); Point3F forward = axisToVector(frontAxis, frontSign == 1 ? -frontSign : frontSign);
Point3F up = axisToVector(upAxis, upSign); Point3F up = axisToVector(upAxis, upSign);
Point3F right = mCross(forward, up); Point3F right = mCross(forward, up);