示例#1
0
        Mesh AddMeshComponents(AbcAPI.aiObject abc, GameObject gameObject)
        {
            Mesh mesh = null;

            MeshFilter meshFilter = gameObject.GetComponent <MeshFilter>();

            if (meshFilter == null || meshFilter.sharedMesh == null)
            {
                mesh = new Mesh();
                mesh.MarkDynamic();

                if (meshFilter == null)
                {
                    meshFilter = gameObject.AddComponent <MeshFilter>();
                }

                meshFilter.sharedMesh = mesh;

                MeshRenderer renderer = gameObject.GetComponent <MeshRenderer>();

                if (renderer == null)
                {
                    renderer = gameObject.AddComponent <MeshRenderer>();
                }

    #if UNITY_EDITOR
                Material material = UnityEngine.Object.Instantiate(AbcUtils.GetDefaultMaterial());
                material.name           = "Material_0";
                renderer.sharedMaterial = material;
    #endif
            }
            else
            {
                mesh = meshFilter.sharedMesh;
            }

            return(mesh);
        }
示例#2
0
        public override void AbcUpdate()
        {
            if (!AbcIsDirty())
            {
                return;
            }

            bool useSubObjects = (m_summary.topologyVariance == AbcAPI.aiTopologyVariance.Heterogeneous || m_sampleSummary.splitCount > 1);

            for (int s = 0; s < m_splits.Count; ++s)
            {
                Split split = m_splits[s];

                if (split.active)
                {
                    // Feshly created splits may not have their host set yet
                    if (split.host == null)
                    {
                        if (useSubObjects)
                        {
                            string name = m_trans.gameObject.name + "_split_" + s;

                            Transform trans = m_trans.FindChild(name);

                            if (trans == null)
                            {
                                GameObject go = new GameObject();
                                go.name = name;

                                trans                  = go.GetComponent <Transform>();
                                trans.parent           = m_trans;
                                trans.localPosition    = Vector3.zero;
                                trans.localEulerAngles = Vector3.zero;
                                trans.localScale       = Vector3.one;
                            }

                            split.host = trans.gameObject;
                        }
                        else
                        {
                            split.host = m_trans.gameObject;
                        }
                    }

                    // Feshly created splits may not have their mesh set yet
                    if (split.mesh == null)
                    {
                        split.mesh      = AddMeshComponents(m_abcObj, split.host);
                        split.mesh.name = split.host.name;
                    }

                    if (split.clear)
                    {
                        split.mesh.Clear();
                    }

                    split.mesh.vertices = split.positionCache;
                    split.mesh.normals  = split.normalCache;
                    split.mesh.tangents = split.tangentCache;
                    split.mesh.uv       = split.uvCache;
                    // update the bounds
                    split.mesh.bounds = new Bounds(split.center, split.size);

                    if (split.clear)
                    {
                        split.mesh.subMeshCount = split.submeshCount;

                        MeshRenderer renderer = split.host.GetComponent <MeshRenderer>();

                        Material[] currentMaterials = renderer.sharedMaterials;

                        int nmat = currentMaterials.Length;

                        if (nmat != split.submeshCount)
                        {
                            Material[] materials = new Material[split.submeshCount];

                            int copyTo = (nmat < split.submeshCount ? nmat : split.submeshCount);

                            for (int i = 0; i < copyTo; ++i)
                            {
                                materials[i] = currentMaterials[i];
                            }

    #if UNITY_EDITOR
                            for (int i = copyTo; i < split.submeshCount; ++i)
                            {
                                Material material = UnityEngine.Object.Instantiate(AbcUtils.GetDefaultMaterial());
                                material.name = "Material_" + Convert.ToString(i);

                                materials[i] = material;
                            }
    #endif

                            renderer.sharedMaterials = materials;
                        }
                    }

                    split.clear = false;

                    split.host.SetActive(true);
                }
                else
                {
                    split.host.SetActive(false);
                }
            }

            for (int s = 0; s < m_submeshes.Count; ++s)
            {
                Submesh submesh = m_submeshes[s];

                if (submesh.update)
                {
                    m_splits[submesh.splitIndex].mesh.SetIndices(submesh.indexCache, MeshTopology.Triangles, submesh.index);

                    submesh.update = false;
                }
            }

            if (!m_sampleSummary.hasNormals && !m_sampleSummary.hasTangents)
            {
                for (int s = 0; s < m_sampleSummary.splitCount; ++s)
                {
                    m_splits[s].mesh.RecalculateNormals();
                }
            }

            AbcClean();
        }