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45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
// Copyright 2016 The Draco Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef DRACO_MESH_CORNER_TABLE_INDICES_H_
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#define DRACO_MESH_CORNER_TABLE_INDICES_H_
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#include <array>
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#include "mesh/mesh_indices.h"
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namespace draco {
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// Vertex index in a corner table.
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DEFINE_NEW_DRACO_INDEX_TYPE(int32_t, VertexIndex);
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// Corner index that identifies each corner of every corner table face.
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DEFINE_NEW_DRACO_INDEX_TYPE(int32_t, CornerIndex);
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// Constants denoting invalid indices.
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static constexpr VertexIndex kInvalidVertexIndex(
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std::numeric_limits<int32_t>::min() / 2);
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static constexpr CornerIndex kInvalidCornerIndex(
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std::numeric_limits<int32_t>::min() / 2);
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// Corner table face type.
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typedef std::array<VertexIndex, 3> FaceType;
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// A special case to denote an invalid corner table triangle.
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static constexpr std::array<VertexIndex, 3> kInvalidFace(
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{{kInvalidVertexIndex, kInvalidVertexIndex, kInvalidVertexIndex}});
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} // namespace draco
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#endif // DRACO_MESH_CORNER_TABLE_INDICES_H_
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