// system execution
void IECSSystem.Execute(ECSEngine engine, ECSEntity[] entities)
{
for (int i = 0; i < entities.Length; i++)
{
//get entity
ECSEntity entity = entities[i];
// get data
PositionComponent pc = engine.GetComponent <PositionComponent>(entity);
VelocityComponent vc = engine.GetComponent <VelocityComponent>(entity);
// manipulate data
pc.Position += vc.Velocity * Time.DeltaTime;
// set data
engine.SetComponent(entity, pc);
Debug.Log("Entity: " + entity + " - Pos: " + pc.Position, ConsoleColor.Green, entity);
// other operations
if (pc.Position.y < -10)
{
Console.Clear();
Debug.Log("Destroyed: " + entity, ConsoleColor.Red, entity);
// destroy entities
engine.DestroyEntity(entity);
}
}
}
void IECSSystem.Execute(ECSEngine engine, ECSEntity[] entities)
{
for (int i = 0; i < entities.Length; i++)
{
ECSEntity entity = entities[i];
PositionComponent pc = engine.GetComponent <PositionComponent>(entity);
VelocityComponent vc = engine.GetComponent <VelocityComponent>(entity);
if (Input.IsKeyPressed(KeyCode.W))
{
pc.Position.Y -= vc.Velocity.Y * Time.DeltaTime;
}
if (Input.IsKeyPressed(KeyCode.S))
{
pc.Position.Y += vc.Velocity.Y * Time.DeltaTime;
}
if (Input.IsKeyPressed(KeyCode.A))
{
pc.Position.X -= vc.Velocity.X * Time.DeltaTime;
}
if (Input.IsKeyPressed(KeyCode.D))
{
pc.Position.X += vc.Velocity.X * Time.DeltaTime;
}
engine.SetComponent <PositionComponent>(entity, pc);
}
}
void IECSSystem.Execute(ECSEngine engine, ECSEntity[] entities)
{
for (int i = 0; i < entities.Length; i++)
{
ECSEntity entity = entities[i];
TimeComponent tc = engine.GetComponent <TimeComponent>(entity);
tc.CurrentTime -= Time.DeltaTime;
if (tc.CurrentTime <= 0f)
{
tc.CurrentTime += tc.Time;
SpawnPointComponent pc = engine.GetComponent <SpawnPointComponent>(entity);
var enemy = engine.CreateEntity();
engine.AddComponent <NameComponent>(enemy,
new NameComponent()
{
Name = "ENEMY"
});
engine.AddComponent <PositionComponent>(enemy,
new PositionComponent()
{
Position = pc.SpawnPoint
});
engine.AddComponent <VelocityComponent>(enemy,
new VelocityComponent()
{
Velocity = new Vector2(0f, 5f)
});
engine.AddComponent(enemy, new BoxColliderComponent()
{
Size = new Vector2(1f, 1f)
});
engine.AddComponent <SpriteRendererComponent>(enemy,
new SpriteRendererComponent()
{
RenderOffset = RenderOffset.Player,
Texture = TextureManager.GetTexture("EnemyBlack2"),
Sprite = new Sprite(1f, 1f)
{
pivot = Vector2.One * 0.5f
}
});
engine.AddComponent <AIComponent>(enemy, new AIComponent());
}
engine.SetComponent <TimeComponent>(entity, tc);
}
}
void IECSSystem.Execute(ECSEngine engine, ECSEntity[] entities)
{
for (int i = 0; i < entities.Length; i++)
{
ECSEntity entity = entities[i];
if (Input.IsKeyDown(KeyCode.Space))
{
WeaponComponent wc = engine.GetComponent <WeaponComponent>(entity);
PositionComponent pc = engine.GetComponent <PositionComponent>(entity);
ECSEntity bullet = engine.CreateEntity();
engine.AddComponent <NameComponent>(bullet,
new NameComponent()
{
Name = "BULLET"
});
engine.AddComponent <PositionComponent>(bullet,
new PositionComponent()
{
Position = pc.Position + wc.BulletSpawnOffset
});
engine.AddComponent <VelocityComponent>(bullet,
new VelocityComponent()
{
Velocity = new Vector2(0f, -10f)
});
engine.AddComponent(bullet, new BoxColliderComponent()
{
Size = new Vector2(1f, 1f)
});
engine.AddComponent <SpriteRendererComponent>(bullet,
new SpriteRendererComponent()
{
RenderOffset = RenderOffset.Player,
Texture = TextureManager.GetTexture("LaserRed01"),
Sprite = new Sprite(0.1f, 1f)
{
pivot = new Vector2(0.1f, 0.5f)
}
});
engine.AddComponent <AIComponent>(bullet, new AIComponent());
}
}
}
void IECSSystem.Execute(ECSEngine engine, ECSEntity[] entities)
{
for (int i = 0; i < entities.Length; i++)
{
ECSEntity entity = entities[i];
PositionComponent pc = engine.GetComponent <PositionComponent>(entity);
VelocityComponent vc = engine.GetComponent <VelocityComponent>(entity);
pc.Position += vc.Velocity * Time.DeltaTime;
engine.SetComponent <PositionComponent>(entity, pc);
}
}
void IECSSystem.Execute(ECSEngine engine, ECSEntity[] entities)
{
for (int i = 0; i < entities.Length; i++)
{
ECSEntity entity = entities[i];
PositionComponent pc = engine.GetComponent <PositionComponent>(entity);
SpriteRendererComponent src = engine.GetComponent <SpriteRendererComponent>(entity);
src.Sprite.position = pc.Position;
engine.SetComponent <SpriteRendererComponent>(entity, src);
src.Sprite.DrawTexture(src.Texture);
}
}
void IECSSystem.Execute(ECSEngine engine, ECSEntity[] entities)
{
for (int i = 0; i < entities.Length; i++)
{
ECSEntity entity = entities[i];
CollisionDataComponent cdc = engine.GetComponent <CollisionDataComponent>(entity);
ECSEntity entity1 = cdc.Entity1;
ECSEntity entity2 = cdc.Entity2;
engine.DestroyEntity(entity);
if (!this.entitiesToDestroy.Contains(entity1))
{
this.entitiesToDestroy.Add(entity1);
}
if (!this.entitiesToDestroy.Contains(entity2))
{
this.entitiesToDestroy.Add(entity2);
}
}
this.entitiesToDestroy.Sort((x1, x2) => - x1.CompareTo(x2));
for (int i = 0; i < this.entitiesToDestroy.Count; i++)
{
ECSEntity entity = this.entitiesToDestroy[i];
engine.DestroyEntity(entity);
}
this.entitiesToDestroy.Clear();
}
void IECSSystem.Execute(ECSEngine engine, ECSEntity[] entities)
{
for (int i = 0; i < entities.Length; i++)
{
ECSEntity entity = entities[i];
PositionComponent pc = engine.GetComponent <PositionComponent>(entity);
if (this.IsOutOfScreen(pc.Position))
{
engine.DestroyEntity(entity);
}
}
}
void IECSSystem.Execute(ECSEngine engine, ECSEntity[] entities)
{
for (int i = 0; i < entities.Length - 1; i++)
{
ECSEntity entity1 = entities[i];
for (int j = i + 1; j < entities.Length; j++)
{
ECSEntity entity2 = entities[j];
if (entity1 != entity2)
{
PositionComponent pc1 = engine.GetComponent <PositionComponent>(entity1);
BoxColliderComponent box1 = engine.GetComponent <BoxColliderComponent>(entity1);
Vector2 box1ExtentMin = this.GetExtentMin(pc1, box1);
Vector2 box1ExtentMax = this.GetExtentMax(pc1, box1);
PositionComponent pc2 = engine.GetComponent <PositionComponent>(entity2);
BoxColliderComponent box2 = engine.GetComponent <BoxColliderComponent>(entity2);
Vector2 box2ExtentMin = this.GetExtentMin(pc2, box2);
Vector2 box2ExtentMax = this.GetExtentMax(pc2, box2);
if (this.Intersect(box1ExtentMin, box1ExtentMax, box2ExtentMin, box2ExtentMax))
{
ECSEntity collisionDataEntity = engine.CreateEntity();
engine.AddComponent(collisionDataEntity, new CollisionDataComponent()
{
Entity1 = entity1, Entity2 = entity2
});
}
}
}
}
}