/// <summary>
/// Convert the given <see cref="Renderer"/> into a single Hybrid Rendered entity that uses
/// the first <see cref="Material"/> configured in the <see cref="Renderer"/>.
/// </summary>
public void ConvertToSingleEntity(
EntityManager dstEntityManager,
GameObjectConversionSystem conversionSystem,
RenderMeshDescription renderMeshDescription,
Renderer renderer)
{
var entity = conversionSystem.GetPrimaryEntity(renderer);
var lightmappedMaterial = ConfigureHybridStaticLighting(
entity,
dstEntityManager,
renderer,
renderMeshDescription.RenderMesh.material);
if (lightmappedMaterial != null)
{
renderMeshDescription.RenderMesh.material = lightmappedMaterial;
}
RenderMeshUtility.AddComponents(
entity,
dstEntityManager,
renderMeshDescription);
conversionSystem.ConfigureEditorRenderData(entity, renderer.gameObject, true);
}
public void Convert(
Renderer renderer,
Mesh mesh,
List <Material> sharedMaterials = null,
Transform root = null)
{
if (sharedMaterials == null)
{
renderer.GetSharedMaterials(m_SharedMaterials);
sharedMaterials = m_SharedMaterials;
}
// Declare asset dependencies before any input validation, so dependency info will
// be correct even if there is an error later.
m_ConversionSystem.DeclareAssetDependency(renderer.gameObject, mesh);
for (int i = 0; i < sharedMaterials.Count; ++i)
{
m_ConversionSystem.DeclareAssetDependency(renderer.gameObject, sharedMaterials[i]);
}
if (mesh == null || sharedMaterials.Count == 0)
{
Debug.LogWarning(
"Renderer is not converted because either the assigned mesh is null or no materials are assigned.",
renderer);
return;
}
if (root is null)
{
root = renderer.transform;
}
//@TODO: Transform system should handle RenderMeshFlippedWindingTag automatically. This should not be the responsibility of the conversion system.
bool flipWinding = math.determinant(root.localToWorldMatrix) < 0.0;
var desc = new RenderMeshDescription(renderer, mesh, sharedMaterials, 0)
{
FlipWinding = flipWinding,
};
if (AttachToPrimaryEntityForSingleMaterial && sharedMaterials.Count == 1)
{
ConvertToSingleEntity(
m_DstEntityManager,
m_ConversionSystem,
desc,
renderer);
}
else
{
ConvertToMultipleEntities(
m_DstEntityManager,
m_ConversionSystem,
desc,
renderer,
sharedMaterials,
root);
}
}
/// <summary>
/// Convert the given <see cref="Renderer"/> into a multiple Hybrid Rendered entities such that every
/// <see cref="Material"/> in the <see cref="Renderer"/> is converted into one entity that uses that <see cref="Material"/>
/// with the corresponding sub-mesh from <see cref="RenderMesh.mesh"/>. All created entities will be parented
/// to the entity created from <see cref="root"/>.
/// </summary>
public void ConvertToMultipleEntities(
EntityManager dstEntityManager,
GameObjectConversionSystem conversionSystem,
RenderMeshDescription renderMeshDescription,
Renderer renderer,
List <Material> sharedMaterials,
Transform root)
{
int materialCount = sharedMaterials.Count;
float4x4 localToWorld = root.localToWorldMatrix;
var rootEntity = conversionSystem.GetPrimaryEntity(root);
for (var m = 0; m != materialCount; m++)
{
var meshEntity = conversionSystem.CreateAdditionalEntity(renderer);
// required for incremental conversion to work without a dependency on the transform itself.
dstEntityManager.AddComponent <CopyTransformFromPrimaryEntityTag>(meshEntity);
dstEntityManager.AddComponentData(meshEntity, new LocalToWorld {
Value = localToWorld
});
if (!dstEntityManager.HasComponent <Static>(meshEntity))
{
dstEntityManager.AddComponentData(meshEntity, new Parent {
Value = rootEntity
});
dstEntityManager.AddComponentData(meshEntity,
new LocalToParent {
Value = float4x4.identity
});
}
var material = sharedMaterials[m];
var lightmappedMaterial = ConfigureHybridLightMapping(
meshEntity,
dstEntityManager,
renderer,
material);
if (lightmappedMaterial != null)
{
material = lightmappedMaterial;
}
renderMeshDescription.RenderMesh.subMesh = m;
renderMeshDescription.RenderMesh.material = material;
RenderMeshUtility.AddComponents(
meshEntity,
dstEntityManager,
renderMeshDescription);
RemoveLightProbeComponentsFromLightMappedEntities(meshEntity, dstEntityManager);
conversionSystem.ConfigureEditorRenderData(meshEntity, renderer.gameObject, true);
}
}
