diff options
Diffstat (limited to 'extern/draco/draco/src/draco/animation/keyframe_animation.cc')
-rw-r--r-- | extern/draco/draco/src/draco/animation/keyframe_animation.cc | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/extern/draco/draco/src/draco/animation/keyframe_animation.cc b/extern/draco/draco/src/draco/animation/keyframe_animation.cc new file mode 100644 index 00000000000..eaf94a3305d --- /dev/null +++ b/extern/draco/draco/src/draco/animation/keyframe_animation.cc @@ -0,0 +1,54 @@ +// Copyright 2017 The Draco Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +#include "draco/animation/keyframe_animation.h" + +namespace draco { + +KeyframeAnimation::KeyframeAnimation() {} + +bool KeyframeAnimation::SetTimestamps( + const std::vector<TimestampType> ×tamp) { + // Already added attributes. + const int32_t num_frames = timestamp.size(); + if (num_attributes() > 0) { + // Timestamp attribute could be added only once. + if (timestamps()->size()) { + return false; + } else { + // Check if the number of frames is consistent with + // the existing keyframes. + if (num_frames != num_points()) { + return false; + } + } + } else { + // This is the first attribute. + set_num_frames(num_frames); + } + + // Add attribute for time stamp data. + std::unique_ptr<PointAttribute> timestamp_att = + std::unique_ptr<PointAttribute>(new PointAttribute()); + timestamp_att->Init(GeometryAttribute::GENERIC, 1, DT_FLOAT32, false, + num_frames); + for (PointIndex i(0); i < num_frames; ++i) { + timestamp_att->SetAttributeValue(timestamp_att->mapped_index(i), + ×tamp[i.value()]); + } + this->SetAttribute(kTimestampId, std::move(timestamp_att)); + return true; +} + +} // namespace draco |