protected override void Update(GameTime gameTime)
{
if (Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
var mouseState = Mouse.GetState();
var playerPosition = new Point(mouseState.X, mouseState.Y);
var playerRadius = 20;
if (mouseState.LeftButton == ButtonState.Pressed)
{
for (int i = 0; i < 32; i++)
{
var bullet = registry_.CreateEntity();
registry_.AddComponent(bullet, new Position {
Point = new Point(playerPosition.X + (i - 16) * 8, playerPosition.Y)
});
registry_.AddComponent(bullet, new Velocity {
Point = new Point(0, -10)
});
registry_.AddComponent(bullet, new Sprite {
SourceRectangle = sprites_["laserBlue01"]
});
}
}
registry_.Loop((EntityData entIdx, ref Position position, ref Velocity velocity) =>
{
position.Point += velocity.Point;
if (position.Point.Y < -100)
{
var entUid = registry_.EntityUIDFromIdx(entIdx);
registry_.DeleteEntity(entUid);
}
});
base.Update(gameTime);
}
static void Benchmark(int entityCount, bool randomComponents)
{
Console.WriteLine($"Benchmarking {entityCount} entities, ARCHETYPES, random insertion order: {randomComponents}");
Registry registry = new Registry();
registry.RegisterComponent <Int1>();
registry.RegisterComponent <Int2>();
registry.RegisterComponent <Int3>();
registry.RegisterComponent <Int4>();
registry.RegisterComponent <Int5>();
registry.RegisterComponent <Int6>();
List <ulong> ids = new List <ulong>();
for (int i = 0; i < entityCount; i++)
{
ids.Add(registry.CreateEntity());
}
List <int> indices1 = new List <int>();
List <int> indices2 = new List <int>();
List <int> indices3 = new List <int>();
List <int> indices4 = new List <int>();
List <int> indices5 = new List <int>();
List <int> indices6 = new List <int>();
for (int i = 0; i < entityCount; i += (xorshift(1) + 1))
{
indices1.Add(i);
}
for (int i = 0; i < entityCount; i += (xorshift(2) + 1))
{
indices2.Add(i);
}
for (int i = 0; i < entityCount; i += (xorshift(3) + 1))
{
indices3.Add(i);
}
for (int i = 0; i < entityCount; i += (xorshift(4) + 1))
{
indices4.Add(i);
}
for (int i = 0; i < entityCount; i += (xorshift(5) + 1))
{
indices5.Add(i);
}
for (int i = 0; i < entityCount; i += (xorshift(6) + 1))
{
indices6.Add(i);
}
if (randomComponents)
{
xorshuffle(indices1);
xorshuffle(indices2);
xorshuffle(indices3);
xorshuffle(indices4);
xorshuffle(indices5);
xorshuffle(indices6);
}
//lr($"added entities", registry);
foreach (int i in indices1)
{
registry.AddComponent(ids[i], new Int1(xorshift()));
//lr($"added comp Int1 to {ids[i]}", registry);
}
foreach (int i in indices2)
{
registry.AddComponent(ids[i], new Int2(i, xorshift()));
//lr($"added comp Int2 to {ids[i]}", registry);
}
foreach (int i in indices3)
{
registry.AddComponent(ids[i], new Int3(i, i, xorshift()));
//lr($"added comp Int3 to {ids[i]}", registry);
}
foreach (int i in indices4)
{
registry.AddComponent(ids[i], new Int4(i, i, i, xorshift()));
//lr($"added comp Int4 to {ids[i]}", registry);
}
foreach (int i in indices5)
{
registry.AddComponent(ids[i], new Int5(i, i, i, i, xorshift()));
//lr($"added comp Int5 to {ids[i]}", registry);
}
foreach (int i in indices6)
{
registry.AddComponent(ids[i], new Int6(i, i, i, i, i, xorshift()));
}
Measure();
registry.Loop((EntityData index, ref Int1 int1, ref Int2 int2) => { int2.x = int1.x; });
Measure("Propagated x to Int2");
registry.Loop((EntityData index, ref Int2 int2, ref Int3 int3) => { int3.x = int2.x; });
Measure("Propagated x to Int3");
registry.Loop((EntityData index, ref Int3 int3, ref Int4 int4) => { int4.x = int3.x; });
Measure("Propagated x to Int4");
registry.Loop((EntityData index, ref Int4 int4, ref Int5 int5) => { int5.x = int4.x; });
Measure("Propagated x to Int5");
registry.Loop((EntityData index, ref Int5 int5, ref Int6 int6) => { int6.x = int5.x; });
Measure("Propagated x to Int6");
registry.Loop((EntityData index, ref Int2 int2, ref Int3 int3, ref Int4 int4) => { int3.y = int2.y; int4.y = int3.y; });
Measure("Propagated y to Int3 and Int4");
registry.Loop((EntityData index, ref Int3 int3, ref Int4 int4, ref Int5 int5) => { int4.y = int3.y; int5.y = int4.y; });
Measure("Propagated y to Int4 and Int5");
registry.Loop((EntityData index, ref Int4 int4, ref Int5 int5, ref Int6 int6) => { int5.y = int4.y; int6.y = int5.y; });
Measure("Propagated y to Int5 and Int6");
ulong checkSum = 0;
registry.Loop((EntityData index, ref Int6 int6) =>
{
checkSum ^= (ulong)(int6.x + int6.y);
});
Console.WriteLine($"checksum: {checkSum}");
}
static unsafe void Main(string[] args)
{
Benchmark(100000, false);
state = 42;
Benchmark(100000, false);
Benchmark(100000, false);
Benchmark(100000, true);
Benchmark(100000, true);
//Console.ReadKey();
return;
reg = new Registry();
lr("created registry");
reg.RegisterComponent <Position>();
reg.RegisterComponent <Velocity>();
reg.RegisterComponent <Name>();
lr("registered components");
var empty = reg.CreateEntity();
lr("created empty entity");
reg.AddComponent(empty, new Velocity(15, 15));
lr("added velocity to empty");
var pe = reg.CreateEntity(new Position(1, 2));
lr("created 1 entity w position");
reg.AddComponent(pe, new Velocity(1, 2));
lr("added velocity to it");
reg.CreateEntity(new Velocity(3, 4));
reg.CreateEntity(new Position(5, 6));
lr("created 2 entities with 1 comp");
//
// var entity = reg.CreateEntity(new Position(1, 2), new Velocity(9, 8));
// reg.AddComponent(entity, new Name());
var e1 = reg.CreateEntity(new Position(7, 8), new Velocity(7, 8));
var e2 = reg.CreateEntity(new Position(9, 1099), new Velocity(9, 10));
lr("created 2 entities w 2 comps");
var e3 = reg.CreateEntity(new Velocity(33, 33));
lr("created new with velocity");
reg.AddComponent(e3, new Position(33, 33));
lr("added position to new");
reg.DestroyEntity(e1);
lr("destroyed 1st entity created last step");
reg.DestroyEntity(e2);
lr("destroyed 2nd ent created last step");
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 82));
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 82));
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 82));
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 82));
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 82));
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 82));
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 82));
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 82));
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 82));
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 82));
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 82));
// reg.CreateEntity(new Position(12, 22), new Velocity(92, 1182));
Console.ReadKey();
}
