// Copyright 2016 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 "compression/mesh/mesh_edgebreaker_decoder.h"
#include "compression/mesh/mesh_edgebreaker_decoder_impl.h"
#include "compression/mesh/mesh_edgebreaker_traversal_predictive_decoder.h"

namespace draco {

MeshEdgeBreakerDecoder::MeshEdgeBreakerDecoder() {}

bool MeshEdgeBreakerDecoder::CreateAttributesDecoder(int32_t att_decoder_id) {
  return impl_->CreateAttributesDecoder(att_decoder_id);
}

bool MeshEdgeBreakerDecoder::InitializeDecoder() {
  uint8_t traversal_decoder_type;
  if (!buffer()->Decode(&traversal_decoder_type))
    return false;
  impl_ = nullptr;
  if (traversal_decoder_type == 0) {
#ifdef DRACO_STANDARD_EDGEBREAKER_SUPPORTED
    impl_ = std::unique_ptr<MeshEdgeBreakerDecoderImplInterface>(
        new MeshEdgeBreakerDecoderImpl<MeshEdgeBreakerTraversalDecoder>());
#endif
  } else if (traversal_decoder_type == 1) {
#ifdef DRACO_PREDICTIVE_EDGEBREAKER_SUPPORTED
    impl_ = std::unique_ptr<MeshEdgeBreakerDecoderImplInterface>(
        new MeshEdgeBreakerDecoderImpl<
            MeshEdgeBreakerTraversalPredictiveDecoder>());
#endif
  }
  if (!impl_) {
    return false;
  }
  if (!impl_->Init(this))
    return false;
  return true;
}

bool MeshEdgeBreakerDecoder::DecodeConnectivity() {
  return impl_->DecodeConnectivity();
}

bool MeshEdgeBreakerDecoder::OnAttributesDecoded() {
  return impl_->OnAttributesDecoded();
}

}  // namespace draco