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transformToUnitCube returns bool (false when transform instance can't be found)

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This commit is contained in:
Nick Fisher
2025-05-10 09:04:06 +08:00
parent 671949a5cd
commit c47cfe9b57
2 changed files with 5 additions and 3 deletions
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2
thermion_dart/native/include/c_api/TTransformManager.h
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@@ -11,7 +11,7 @@ extern "C"
EMSCRIPTEN_KEEPALIVE double4x4 TransformManager_getLocalTransform(TTransformManager *tTransformManager, EntityId entityId);
EMSCRIPTEN_KEEPALIVE double4x4 TransformManager_getWorldTransform(TTransformManager *tTransformManager, EntityId entityId);
EMSCRIPTEN_KEEPALIVE void TransformManager_setTransform(TTransformManager *tTransformManager, EntityId entityId, double4x4 transform);
EMSCRIPTEN_KEEPALIVE void TransformManager_transformToUnitCube(TTransformManager *tTransformManager, EntityId entityId, Aabb3 boundingBox);
EMSCRIPTEN_KEEPALIVE bool TransformManager_transformToUnitCube(TTransformManager *tTransformManager, EntityId entityId, Aabb3 boundingBox);
EMSCRIPTEN_KEEPALIVE void TransformManager_setParent(TTransformManager *tTransformManager, EntityId child, EntityId parent, bool preserveScaling);
EMSCRIPTEN_KEEPALIVE EntityId TransformManager_getParent(TTransformManager *tTransformManager, EntityId child);
EMSCRIPTEN_KEEPALIVE EntityId TransformManager_getAncestor(TTransformManager *tTransformManager, EntityId childEntityId);

6
thermion_dart/native/src/c_api/TTransformManager.cpp
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@@ -62,14 +62,15 @@ extern "C"
transformManager->setTransform(transformInstance, convert_double4x4_to_mat4(transform));
}
EMSCRIPTEN_KEEPALIVE void TransformManager_transformToUnitCube(TTransformManager *tTransformManager, EntityId entityId, Aabb3 boundingBox) {
EMSCRIPTEN_KEEPALIVE bool TransformManager_transformToUnitCube(TTransformManager *tTransformManager, EntityId entityId, Aabb3 boundingBox) {
auto *transformManager = reinterpret_cast<filament::TransformManager*>(tTransformManager);
const auto &entity = utils::Entity::import(entityId);
auto transformInstance = transformManager->getInstance(entity);
if (!transformInstance || !transformInstance.isValid())
{
return;
Log("Failed to find valid transform for instance");
return false;
}
auto center = filament::math::float3 { boundingBox.centerX, boundingBox.centerY, boundingBox.centerZ };
@@ -78,6 +79,7 @@ extern "C"
auto scaleFactor = 2.0f / maxExtent;
auto transform = math::mat4f::scaling(scaleFactor) * math::mat4f::translation(-center);
transformManager->setTransform(transformInstance, transform);
return true;
}
EMSCRIPTEN_KEEPALIVE void TransformManager_setParent(TTransformManager *tTransformManager, EntityId childId, EntityId parentId, bool preserveScaling)