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122 lines
3.5 KiB
122 lines
3.5 KiB
/************************************************************************************
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Copyright : Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.
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Licensed under the Oculus Utilities SDK License Version 1.31 (the "License"); you may not use
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the Utilities SDK except in compliance with the License, which is provided at the time of installation
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or download, or which otherwise accompanies this software in either electronic or hard copy form.
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You may obtain a copy of the License at
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https://developer.oculus.com/licenses/utilities-1.31
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Unless required by applicable law or agreed to in writing, the Utilities SDK distributed
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under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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ANY KIND, either express or implied. See the License for the specific language governing
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permissions and limitations under the License.
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************************************************************************************/
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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[DefaultExecutionOrder(-80)]
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public class OVRMesh : MonoBehaviour
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{
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public interface IOVRMeshDataProvider
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{
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MeshType GetMeshType();
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}
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public enum MeshType
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{
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None = OVRPlugin.MeshType.None,
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HandLeft = OVRPlugin.MeshType.HandLeft,
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HandRight = OVRPlugin.MeshType.HandRight,
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}
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[SerializeField]
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private IOVRMeshDataProvider _dataProvider;
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[SerializeField]
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private MeshType _meshType = MeshType.None;
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private Mesh _mesh;
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public bool IsInitialized { get; private set; }
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public Mesh Mesh
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{
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get { return _mesh; }
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}
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private void Awake()
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{
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if (_dataProvider == null)
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{
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_dataProvider = GetComponent<IOVRMeshDataProvider>();
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}
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if (_dataProvider != null)
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{
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_meshType = _dataProvider.GetMeshType();
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}
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if (_meshType != MeshType.None)
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{
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Initialize(_meshType);
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}
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}
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private void Initialize(MeshType meshType)
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{
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_mesh = new Mesh();
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var ovrpMesh = new OVRPlugin.Mesh();
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if (OVRPlugin.GetMesh((OVRPlugin.MeshType)_meshType, out ovrpMesh))
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{
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var vertices = new Vector3[ovrpMesh.NumVertices];
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for (int i = 0; i < ovrpMesh.NumVertices; ++i)
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{
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vertices[i] = ovrpMesh.VertexPositions[i].FromFlippedXVector3f();
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}
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_mesh.vertices = vertices;
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var uv = new Vector2[ovrpMesh.NumVertices];
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for (int i = 0; i < ovrpMesh.NumVertices; ++i)
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{
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uv[i] = new Vector2(ovrpMesh.VertexUV0[i].x, -ovrpMesh.VertexUV0[i].y);
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}
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_mesh.uv = uv;
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var triangles = new int[ovrpMesh.NumIndices];
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for (int i = 0; i < ovrpMesh.NumIndices; ++i)
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{
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triangles[i] = ovrpMesh.Indices[ovrpMesh.NumIndices - i - 1];
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}
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_mesh.triangles = triangles;
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var normals = new Vector3[ovrpMesh.NumVertices];
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for (int i = 0; i < ovrpMesh.NumVertices; ++i)
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{
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normals[i] = ovrpMesh.VertexNormals[i].FromFlippedXVector3f();
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}
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_mesh.normals = normals;
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var boneWeights = new BoneWeight[ovrpMesh.NumVertices];
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for (int i = 0; i < ovrpMesh.NumVertices; ++i)
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{
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var currentBlendWeight = ovrpMesh.BlendWeights[i];
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var currentBlendIndices = ovrpMesh.BlendIndices[i];
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boneWeights[i].boneIndex0 = (int)currentBlendIndices.x;
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boneWeights[i].weight0 = currentBlendWeight.x;
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boneWeights[i].boneIndex1 = (int)currentBlendIndices.y;
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boneWeights[i].weight1 = currentBlendWeight.y;
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boneWeights[i].boneIndex2 = (int)currentBlendIndices.z;
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boneWeights[i].weight2 = currentBlendWeight.z;
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boneWeights[i].boneIndex3 = (int)currentBlendIndices.w;
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boneWeights[i].weight3 = currentBlendWeight.w;
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}
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_mesh.boneWeights = boneWeights;
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IsInitialized = true;
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}
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}
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}
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