public static void UnsafeReleaseGatheredEntities(ref EntityQuery query, ref EntityQuery.GatherEntitiesResult result) => query.ReleaseGatheredEntities(ref result);
public static void GatherEntitiesToArray(EntityQueryData *queryData, ref EntityQueryFilter filter, out EntityQuery.GatherEntitiesResult result)
{
if (s_EntityQueryResultBuffer == null)
{
s_EntityQueryResultBuffer = (Entity *)UnsafeUtility.Malloc(k_EntityQueryResultBufferSize * sizeof(Entity), 64, Allocator.Persistent);
}
var buffer = s_EntityQueryResultBuffer;
var curOffset = currentOffsetInResultBuffer;
// Main method that copies the entities of each chunk of a matching archetype to the buffer
bool AddArchetype(MatchingArchetype *matchingArchetype, ref EntityQueryFilter queryFilter)
{
var archetype = matchingArchetype->Archetype;
var entityCountInArchetype = archetype->EntityCount;
if (entityCountInArchetype == 0)
{
return(true);
}
var chunkCount = archetype->Chunks.Count;
var chunks = archetype->Chunks.p;
var counts = archetype->Chunks.GetChunkEntityCountArray();
for (int i = 0; i < chunkCount; ++i)
{
// Ignore the chunk if the query uses filter and the chunk doesn't comply
if (queryFilter.RequiresMatchesFilter && (chunks[i]->MatchesFilter(matchingArchetype, ref queryFilter) == false))
{
continue;
}
var entityCountInChunk = counts[i];
if ((curOffset + entityCountInChunk) > k_EntityQueryResultBufferSize)
{
return(false);
}
UnsafeUtility.MemCpy(buffer + curOffset, chunks[i]->Buffer, entityCountInChunk * sizeof(Entity));
curOffset += entityCountInChunk;
}
return(true);
}
// Parse all the matching archetypes and add the entities that fits the query and its filter
bool success = true;
ref var matchingArchetypes = ref queryData->MatchingArchetypes;
public static void UnsafeCreateGatherEntitiesResult(ref EntityQuery query, out EntityQuery.GatherEntitiesResult result) => query.GatherEntitiesToArray(out result);
