Luis Gonzalez
57 lines
1.8 KiB
C#
57 lines
1.8 KiB
C#
using Unity;
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using Unity.Collections;
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using Unity.Entities;
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using Unity.Rendering;
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using Unity.Transforms;
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using UnityEngine;
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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namespace Rukhanka.Hybrid
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{
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[WorldSystemFilter(WorldSystemFilterFlags.BakingSystem)]
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[UpdateInGroup(typeof(PostBakingSystemGroup))]
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public partial class SkinnedMeshConversionSystem : SystemBase
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{
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protected override unsafe void OnUpdate()
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{
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var actualizeSkinnedMeshDataJob = new ActualizeSkinnedMeshDataJob()
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{
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animEntityRefLookup = SystemAPI.GetComponentLookup<AnimatorEntityRefComponent>(true),
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};
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actualizeSkinnedMeshDataJob.ScheduleParallel();
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var ecb = new EntityCommandBuffer(Allocator.Temp);
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foreach (var (rma, e) in SystemAPI.Query<RenderMeshArray>().WithEntityAccess().WithAll<SkinnedMeshSplitSubmeshEntities>())
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{
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var eg = EntityManager.GetComponentData<EntityGuid>(e);
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for (var i = 0; i < rma.MaterialMeshIndices.Length; i++)
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{
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var originalSMR = i == 0;
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// Modify original skinned mesh renderer to draw only first submesh
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var smrEntity = originalSMR ? e : ecb.Instantiate(e);
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var mmiForSubmesh = MaterialMeshInfo.FromMaterialMeshIndexRange(i, 1);
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mmiForSubmesh.Material = MaterialMeshInfo.ArrayIndexToStaticIndex(i);
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mmiForSubmesh.Mesh = MaterialMeshInfo.ArrayIndexToStaticIndex(0);
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ecb.SetComponent(smrEntity, mmiForSubmesh);
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if (!originalSMR)
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{
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// Modify EntityGuid to prevent 'duplicated GUID' exceptions)
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#if UNITY_6000_5_OR_NEWER
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var osei = (int)eg.OriginatingSubEntityId.GetRawData() + 1;
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eg.OriginatingSubEntityId = *(EntityId*)&osei;
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#else
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eg.a += 1;
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#endif
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ecb.SetComponent(smrEntity, eg);
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}
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ecb.RemoveComponent<SkinnedMeshSplitSubmeshEntities>(smrEntity);
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}
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}
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ecb.Playback(EntityManager);
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}
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}
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}
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