private ComponentSystemBase CreateSystemInternal <T>() where T : new()
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
if (!m_AllowGetSystem)
{
throw new ArgumentException(
"During destruction of a system you are not allowed to create more systems.");
}
m_AllowGetSystem = true;
#endif
ComponentSystemBase system;
try
{
#if !NET_DOTS
system = new T() as ComponentSystemBase;
#else
system = TypeManager.ConstructSystem(typeof(T));
#endif
}
catch
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
m_AllowGetSystem = false;
#endif
throw;
}
return(AddSystem(system));
}
public ComponentSystemBase GetOrCreateSystem(Type type)
{
CheckGetOrCreateSystem();
var system = GetExistingSystem(type);
return(system ?? TypeManager.ConstructSystem(type));
}
/// <summary>
/// Initialize the ComponentSystems. See <see cref="Initialize"/> for use.
/// </summary>
public static void InitializeSystems(World world)
{
var allSystemTypes = TypeManager.GetSystems();
var allSystemNames = TypeManager.SystemNames;
if (allSystemTypes.Length == 0)
{
throw new InvalidOperationException("DefaultTinyWorldInitialization: No Systems found.");
}
// Create top level presentation system and simulation systems.
InitializationSystemGroup initializationSystemGroup = new InitializationSystemGroup();
world.AddSystem(initializationSystemGroup);
SimulationSystemGroup simulationSystemGroup = new SimulationSystemGroup();
world.AddSystem(simulationSystemGroup);
PresentationSystemGroup presentationSystemGroup = new PresentationSystemGroup();
world.AddSystem(presentationSystemGroup);
// Create the working set of systems.
#if WRITE_LOG
Console.WriteLine("--- Adding systems:");
#endif
for (int i = 0; i < allSystemTypes.Length; i++)
{
if (TypeManager.GetSystemAttributes(allSystemTypes[i], typeof(DisableAutoCreationAttribute)).Length > 0)
{
continue;
}
if (allSystemTypes[i] == initializationSystemGroup.GetType() ||
allSystemTypes[i] == simulationSystemGroup.GetType() ||
allSystemTypes[i] == presentationSystemGroup.GetType())
{
continue;
}
// Subtle issue. If the System was created by GetOrCreateSystem at the "right" time
// before its own initialization, then it will exist. GetExistingSystem will return a valid
// object. BUT, that object will not have been put into a SystemGroup.
var sys = world.GetExistingSystem(allSystemTypes[i]);
if (sys != null)
{
AddSystemToGroup(world, sys);
continue;
}
#if WRITE_LOG
Console.WriteLine(allSystemNames[i]);
#endif
AddSystem(world, TypeManager.ConstructSystem(allSystemTypes[i]));
}
}
ComponentSystemBase AllocateSystemInternal(Type type)
{
#if ENABLE_UNITY_COLLECTIONS_CHECKS
if (!m_AllowGetSystem)
{
throw new ArgumentException(
"During destruction of a system you are not allowed to create more systems.");
}
#endif
return(TypeManager.ConstructSystem(type));
}
public static void InitializeSystems(World world)
{
var allSystemTypes = TypeManager.GetSystems();
var allSystemNames = TypeManager.SystemNames;
if (allSystemTypes.Length == 0)
{
throw new InvalidOperationException("DefaultTinyWorldInitialization: No Systems found.");
}
// Create top level presentation system and simulation systems.
InitializationSystemGroup initializationSystemGroup = new InitializationSystemGroup();
world.AddSystem(initializationSystemGroup);
SimulationSystemGroup simulationSystemGroup = new SimulationSystemGroup();
world.AddSystem(simulationSystemGroup);
PresentationSystemGroup presentationSystemGroup = new PresentationSystemGroup();
world.AddSystem(presentationSystemGroup);
// Create the working set of systems.
#if WRITE_LOG
Console.WriteLine("--- Adding systems:");
#endif
for (int i = 0; i < allSystemTypes.Length; i++)
{
if (TypeManager.GetSystemAttributes(allSystemTypes[i], typeof(DisableAutoCreationAttribute)).Length > 0)
{
continue;
}
if (allSystemTypes[i] == initializationSystemGroup.GetType() ||
allSystemTypes[i] == simulationSystemGroup.GetType() ||
allSystemTypes[i] == presentationSystemGroup.GetType())
{
continue;
}
if (world.GetExistingSystem(allSystemTypes[i]) != null)
{
continue;
}
#if WRITE_LOG
Console.WriteLine(allSystemNames[i]);
#endif
AddSystem(world, TypeManager.ConstructSystem(allSystemTypes[i]));
}
}
/// <summary>
/// Initialize the ComponentSystems. See <see cref="Initialize"/> for use.
/// </summary>
public static void InitializeSystems(World world)
{
var allSystemTypes = TypeManager.GetSystems();
if (allSystemTypes.Length == 0)
{
throw new InvalidOperationException("DefaultTinyWorldInitialization: No Systems found.");
}
// Create top level presentation system and simulation systems.
InitializationSystemGroup initializationSystemGroup = new InitializationSystemGroup();
world.AddSystem(initializationSystemGroup);
SimulationSystemGroup simulationSystemGroup = new SimulationSystemGroup();
world.AddSystem(simulationSystemGroup);
PresentationSystemGroup presentationSystemGroup = new PresentationSystemGroup();
world.AddSystem(presentationSystemGroup);
// Create the working set of systems.
// The full set of Systems must be created (and initialized with the World) before
// they can be placed into SystemGroup. Else you get the problem that a System may
// be put into a SystemGroup that hasn't been created.
IterateAllAutoSystems(world, (World w, Type systemType) =>
{
// Need the if check because game/test code may have auto-constructed a System already.
if (world.GetExistingSystem(systemType) == null)
{
AddSystem(world, TypeManager.ConstructSystem(systemType), false);
}
});
IterateAllAutoSystems(world, (World w, Type systemType) =>
{
AddSystemToGroup(world, world.GetExistingSystem(systemType));
});
}
public static void InitializeSystems(World world)
{
var allSystemTypes = TypeManager.GetSystems();
var allSystemNames = TypeManager.SystemNames;
if (allSystemTypes.Length == 0)
{
throw new InvalidOperationException("DefaultTinyWorldInitialization: No Systems found.");
}
// Create top level presentation system and simulation systems.
InitializationSystemGroup initializationSystemGroup = new InitializationSystemGroup();
world.AddManager(initializationSystemGroup);
SimulationSystemGroup simulationSystemGroup = new SimulationSystemGroup();
world.AddManager(simulationSystemGroup);
PresentationSystemGroup presentationSystemGroup = new PresentationSystemGroup();
world.AddManager(presentationSystemGroup);
// Create the working set of systems.
int nSystems = 0;
Type[] systemTypes = new Type[allSystemTypes.Length];
ComponentSystem[] systems = new ComponentSystem[allSystemTypes.Length];
#if WRITE_LOG
Console.WriteLine("--- Adding systems:");
#endif
for (int i = 0; i < allSystemTypes.Length; i++)
{
if (TypeManager.GetSystemAttributes(allSystemTypes[i], typeof(DisableAutoCreationAttribute)).Length > 0)
{
continue;
}
if (allSystemTypes[i] == initializationSystemGroup.GetType() ||
allSystemTypes[i] == simulationSystemGroup.GetType() ||
allSystemTypes[i] == presentationSystemGroup.GetType())
{
continue;
}
if (world.GetExistingManager(allSystemTypes[i]) != null)
{
continue;
}
#if WRITE_LOG
Console.WriteLine(allSystemNames[i]);
#endif
systemTypes[nSystems] = allSystemTypes[i];
systems[nSystems] = TypeManager.ConstructSystem(allSystemTypes[i]);
world.AddManager(systems[nSystems]);
nSystems++;
}
#if WRITE_LOG
Console.WriteLine("--- Adding systems Done.");
#endif
for (int i = 0; i < nSystems; ++i)
{
var sysType = systemTypes[i];
var system = systems[i];
var groups = TypeManager.GetSystemAttributes(sysType, typeof(UpdateInGroupAttribute));
if (groups.Length == 0)
{
simulationSystemGroup.AddSystemToUpdateList(system);
}
for (int g = 0; g < groups.Length; ++g)
{
var groupType = groups[g] as UpdateInGroupAttribute;
var groupSystem = world.GetExistingManager(groupType.GroupType) as ComponentSystemGroup;
if (groupSystem == null)
{
throw new Exception("DefaultTinyWorldInitialization failed to find existing SystemGroup.");
}
groupSystem.AddSystemToUpdateList(system);
}
}
}
