public static Entity RemapEntityForPrefab(SparseEntityRemapInfo *remapping, int remappingCount, Entity source)
{
// When instantiating prefabs,
// internal references are remapped.
for (int i = 0; i != remappingCount; i++)
{
if (source == remapping[i].Src)
{
return(remapping[i].Target);
}
}
// And external references are kept.
return(source);
}
internal static void PatchEntityForPrefabInBoxedType(object container, SparseEntityRemapInfo *remapInfo, int remapInfoCount)
{
var visitor = new EntityRemappingVisitor(remapInfo, remapInfoCount);
var changeTracker = new ChangeTracker();
var type = container.GetType();
var resolved = PropertyBagResolver.Resolve(type);
if (resolved != null)
{
resolved.Accept(ref container, ref visitor, ref changeTracker);
}
else
{
throw new ArgumentException($"Type '{type.FullName}' not supported for visiting.");
}
}
public static void PatchEntitiesForPrefab(EntityPatchInfo *scalarPatches, int scalarPatchCount, BufferEntityPatchInfo *bufferPatches, int bufferPatchCount, byte *data, int indexInChunk, int entityCount, SparseEntityRemapInfo *remapping, int remappingCount)
{
// Patch scalars (single components) with entity references.
for (int p = 0; p < scalarPatchCount; p++)
{
byte *entityData = data + scalarPatches[p].Offset;
for (int e = 0; e != entityCount; e++)
{
Entity *entity = (Entity *)(entityData + scalarPatches[p].Stride * (e + indexInChunk));
* entity = RemapEntityForPrefab(remapping + e * remappingCount, remappingCount, *entity);
}
}
// Patch buffers that contain entity references
for (int p = 0; p < bufferPatchCount; ++p)
{
byte *bufferData = data + bufferPatches[p].BufferOffset;
for (int e = 0; e != entityCount; e++)
{
BufferHeader *header = (BufferHeader *)(bufferData + bufferPatches[p].BufferStride * (e + indexInChunk));
byte *elemsBase = BufferHeader.GetElementPointer(header) + bufferPatches[p].ElementOffset;
int elemCount = header->Length;
for (int k = 0; k != elemCount; ++k)
{
Entity *entityPtr = (Entity *)elemsBase;
* entityPtr = RemapEntityForPrefab(remapping + e * remappingCount, remappingCount, *entityPtr);
elemsBase += bufferPatches[p].ElementStride;
}
}
}
}
