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expose methods for getting bone names

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This commit is contained in:
Nick Fisher
2024-05-26 12:11:11 +08:00
parent 443a4ba0d4
commit 82f533e6b2
5 changed files with 115 additions and 4 deletions
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13
dart_filament/native/src/DartFilamentApi.cpp
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@@ -510,6 +510,19 @@ extern "C"
strcpy(outPtr, name.c_str());
}
EMSCRIPTEN_KEEPALIVE int get_bone_count(void *sceneManager, EntityId assetEntity, int skinIndex) {
auto names = ((SceneManager *)sceneManager)->getBoneNames(assetEntity, skinIndex);
return names->size();
}
EMSCRIPTEN_KEEPALIVE void get_bone_names(void *sceneManager, EntityId assetEntity, const char** out, int skinIndex) {
auto names = ((SceneManager *)sceneManager)->getBoneNames(assetEntity, skinIndex);
for(int i = 0; i < names->size(); i++) {
memcpy((void*)out[i], names->at(i).c_str(), names->at(i).length());
}
}
EMSCRIPTEN_KEEPALIVE int get_morph_target_name_count(void *sceneManager, EntityId assetEntity, EntityId childEntity)
{
auto names = ((SceneManager *)sceneManager)->getMorphTargetNames(assetEntity, childEntity);

38
dart_filament/native/src/SceneManager.cpp
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@@ -1239,6 +1239,44 @@ namespace flutter_filament
return names;
}
unique_ptr<vector<string>> SceneManager::getBoneNames(EntityId assetEntityId, int skinIndex) {
unique_ptr<std::vector<std::string>> names = std::make_unique<std::vector<std::string>>();
auto *instance = getInstanceByEntityId(assetEntityId);
if (!instance)
{
auto *asset = getAssetByEntityId(assetEntityId);
if (asset)
{
instance = asset->getInstance();
}
else
{
Log("ERROR: failed to find instance for entity %d", assetEntityId);
return names;
}
}
size_t skinCount = instance->getSkinCount();
if (skinCount > 1)
{
Log("WARNING - skin count > 1 not currently implemented. This will probably not work");
}
size_t numJoints = instance->getJointCountAt(skinIndex);
auto joints = instance->getJointsAt(skinIndex);
for (int i = 0; i < numJoints; i++)
{
const char *jointName = _ncm->getName(_ncm->getInstance(joints[i]));
names->push_back(jointName);
}
return names;
}
void SceneManager::transformToUnitCube(EntityId entityId)
{
const auto *instance = getInstanceByEntityId(entityId);