protected override void OnUpdate()
{
if (flag)
{
return;
}
var blockTypesType = GetArchetypeChunkComponentType <BlockTypesComponent>(); // read-write access
var coordinateType = GetArchetypeChunkComponentType <CoordinatesComponent>(true); // true means it is read only
var seedType = GetArchetypeChunkComponentType <SeedComponent>(true); // true means it is read only
var job = new BlockTypeJob()
{
BlockTypes = blockTypesType,
Coordinates = coordinateType,
Seed = seedType
};
JobHandle jobHandle = job.Schedule(_query);
jobHandle.Complete(); // wait until completed
// all calculations are done in one frame
EntityManager entityManager = World.DefaultGameObjectInjectionWorld.EntityManager;
// there is a bug here - throws ECS-related null reference exception
Entities
// allows us to modify or delete entities
//.WithStructuralChanges()
// this serves as a signature as well
.ForEach((Entity entity, in CoordinatesComponent coordinates, in BlockTypesComponent blockTypes) =>
{
// copy data to the main array
TerrainGenerator.CreateBlock(
ref GlobalVariables.Blocks[coordinates.Coordinates.x, coordinates.Coordinates.y, coordinates.Coordinates.z],
blockTypes.BlockType);
// clean up and prevent further calculations
//entityManager.DestroyEntity(entity);
}).Run(); // "Run" means run on the main thread