public static void DropEntityInventory(ECSContainer ecsContainer, Guid ownerId)
{
Inventory ownerInventory = ecsContainer.Inventories[ownerId];
Position ownerPosition = ecsContainer.Positions[ownerId];
foreach (Guid id in ownerInventory.EntitiesOwned)
{
BaseEntity itemChange = new BaseEntity(ComponentFlags.POSITION, ComponentFlags.MOVEMENT, ComponentFlags.COLLISION);
itemChange.Position = new Position()
{
OriginPosition = ownerPosition.OriginPosition
};
int velocity = Constants.Random.Next(Constants.Loot.MinimumDropFling, Constants.Loot.MaximumDropFling);
itemChange.Movement = new Movement()
{
BaseVelocity = velocity,
MovementType = MovementType.DIRECTED,
Velocity = velocity * Constants.Random.Next(2, 6),
TargetPosition = ownerPosition.OriginPosition + new Vector2(Constants.Random.Next(-velocity, velocity), Constants.Random.Next(-velocity, velocity))
};
itemChange.Collision = new Collision()
{
CollisionType = CollisionType.ITEM,
Solid = false,
CollisionRadius = Constants.Sprites.ItemGrid * 3
};
ecsContainer.AppendEntity(itemChange, id);
}
ownerInventory.EntitiesOwned.Clear();
}
public static void ResetCollisions(ref ECSContainer ecsContainer)
{
foreach (Entity entity in ecsContainer.Entities.Where(x => x.IsCollidable()))
{
ecsContainer.Collisions[entity.Id].CollidedEntities.Clear();
ecsContainer.Collisions[entity.Id].CheckedEntities.Clear();
}
}
public static void UpdateCameraTarget(ECSContainer components, Camera camera)
{
Entity cameraTarget = components.Entities.Where(x => x.Id == camera.TargetEntity).FirstOrDefault();
if (cameraTarget != null && components.Positions.ContainsKey(cameraTarget.Id))
{
SetCameraPosition(components.Positions[cameraTarget.Id], camera);
}
}
public static Guid CreateEntityFromFile(string xmlFilePath, ref ECSContainer ecsContainer)
{
XmlSerializer serializer = new XmlSerializer(typeof(BaseEntity));
using (FileStream fileStream = new FileStream(xmlFilePath, FileMode.Open))
{
BaseEntity entity = (BaseEntity)serializer.Deserialize(fileStream);
return(ecsContainer.AddEntity(entity));
}
}
public static Guid SpawnEntityWithOverrides(string xmlFilePath, ref ECSContainer ecsContainer, BaseEntity additions = null)
{
Guid id = ArkCreation.CreateEntityFromFile(xmlFilePath, ref ecsContainer);
if (additions != null)
{
ecsContainer.AppendEntity(additions, id);
}
return(id);
}
public static void GenerateRandomInventoryItemsForEntity(ECSContainer ecsContainer, Guid ownerId)
{
List <Guid> itemIds = new List <Guid>();
int numberOfItems = Constants.Random.Next(1, 15);
for (int i = 0; i <= numberOfItems; i++)
{
BaseEntity item = new BaseEntity(ComponentFlags.LABEL, ComponentFlags.DISPLAY);
item.Label = new Label()
{
Color = Color.Black,
Displacement = new Vector2(0, -4),
WhenToShow = WhenToShowLabel.NEVER,
Origin = Vector2.Zero,
Rotation = 0f,
Scale = 1f,
DistanceRenderBuffer = 200,
SpriteEffect = SpriteEffects.None,
Text = "item"
};
item.Display = new Display()
{
Color = Color.White,
Layer = DisplayLayer.FOREGROUND,
Opacity = 1f,
Origin = new Vector2(Constants.Sprites.ItemGrid / 2, Constants.Sprites.ItemGrid / 2),
Rotation = 0f,
Scale = 2f,
SpriteEffect = SpriteEffects.None,
SpriteSheetSize = Constants.Sprites.ItemGrid,
SpriteSheetKey = Constants.Sprites.ItemSheetKey,
SpriteSheetCol = Constants.Random.Next(1, 22),
SpriteSheetRow = Constants.Random.Next(1, 14)
};
Guid id = ecsContainer.AddEntity(item);
itemIds.Add(id);
}
BaseEntity ownerAddition = new BaseEntity(ComponentFlags.INVENTORY);
ownerAddition.Inventory = new Inventory()
{
EntitiesOwned = itemIds
};
ecsContainer.AppendEntity(ownerAddition, ownerId);
}
public static void HandleCollisions(ECSContainer ecsContainer)
{
IEnumerable <Entity> collidableEntities = ecsContainer.Entities.Where(x => x.IsCollidable());
foreach (Entity entity in collidableEntities)
{
Collision collision = ecsContainer.Collisions[entity.Id];
if (collision.CollisionType == CollisionType.REACTOR)
{
foreach (Guid collidedEntity in collision.CollidedEntities)
{
Collision collided = ecsContainer.Collisions[collidedEntity];
switch (collided.CollisionType)
{
case CollisionType.ITEM:
if (entity.HasComponents(ComponentFlags.IS_PLAYER))
{
ecsContainer.DelayedActions.Add(new Action(() =>
{
if (entity.HasComponents(ComponentFlags.INVENTORY))
{
ecsContainer.Inventories[entity.Id].EntitiesOwned.Add(collidedEntity);
}
Entity collidedEntityObject = ecsContainer.Entities.Where(x => x.Id == collidedEntity).First();
collidedEntityObject.AddComponentFlags(ComponentFlags.MOVEMENT);
ecsContainer.Movements[collidedEntity] = new Movement()
{
BaseVelocity = 800,
MovementType = MovementType.DIRECTED,
TargetReachedBehavior = TargetReachedBehavior.HIDE,
Velocity = 800,
TargetPosition = ecsContainer.Positions[entity.Id].OriginPosition
};
}));
}
break;
}
}
}
}
}
public TestLevel(ContentManager content, Camera camera)
{
_content = new ContentManager(content.ServiceProvider, content.RootDirectory);
_labelFont = _content.Load <SpriteFont>(Constants.Fonts.TelegramaSmall);
_spriteSheets.Add(Constants.Sprites.MonsterSheetKey, _content.Load <Texture2D>(Constants.Sprites.MonsterSheet));
_spriteSheets.Add(Constants.Sprites.ItemSheetKey, _content.Load <Texture2D>(Constants.Sprites.ItemSheet));
_spriteSheets.Add(Constants.Sprites.TileSheetKey, _content.Load <Texture2D>(Constants.Sprites.TileSheet));
_spriteSheets.Add(Constants.Sprites.PlaceHolderKey, _content.Load <Texture2D>(Constants.Sprites.Placeholder));
this._components = new ECSContainer();
this._dungeonGrid = DungeonGenerationSystem.GenerateDungeon(50, 100);
this._gridCols = this._dungeonGrid.GetLength(0);
this._gridRows = this._dungeonGrid.GetLength(1);
this._collisionPartition = CollisionSystem.CreatePartitionGrid(this._gridCols, this._gridRows);
drawSequence[DisplayLayer.BACKGROUND] = new List <Action>();
drawSequence[DisplayLayer.FLOOR] = new List <Action>();
drawSequence[DisplayLayer.FOREGROUND] = new List <Action>();
drawSequence[DisplayLayer.NORMAL] = new List <Action>();
drawSequence[DisplayLayer.SUPER] = new List <Action>();
drawSequence[DisplayLayer.TOP] = new List <Action>();
#region Debug Creation
Guid playerId = ArkCreation.SpawnEntityWithOverrides(Constants.Ark.Monsters.Player, ref this._components, new BaseEntity(ComponentFlags.POSITION)
{
Position = new Position()
{
OriginPosition = new Vector2(20, 20)
}
});
Guid testId = ArkCreation.SpawnEntityWithOverrides(Constants.Ark.Monsters.TestNpc, ref this._components, new BaseEntity(ComponentFlags.POSITION)
{
Position = new Position()
{
OriginPosition = new Vector2(20, 20)
}
});
InventorySystem.GenerateRandomInventoryItemsForEntity(this._components, testId);
camera.TargetEntity = playerId;
#endregion
}
public static void UpdateMovingEntities(Movement movement, Position position, GameTime gameTime, ECSContainer ecsContainer, Entity entity)
{
Vector2 Direction = Vector2.Normalize(movement.TargetPosition - position.OriginPosition);
float distance = Math.Abs(Vector2.Distance(position.OriginPosition, movement.TargetPosition));
if (distance > 10)
{
position.OriginPosition += Direction * new Vector2((float)movement.Velocity) * (float)gameTime.ElapsedGameTime.TotalSeconds;
}
else
{
ecsContainer.DelayedActions.Add(new Action(() =>
{
entity.RemoveComponentFlags(ComponentFlags.MOVEMENT);
switch (movement.TargetReachedBehavior)
{
case TargetReachedBehavior.HIDE:
entity.RemoveComponentFlags(ComponentFlags.DISPLAY);
entity.RemoveComponentFlags(ComponentFlags.POSITION);
break;
case TargetReachedBehavior.DESTROY:
ecsContainer.DestroyEntity(entity);
break;
}
}));
}
}
public static void CheckForCollisions(ECSContainer ecsContainer, List <Entity>[,] partitionGrid)
{
IEnumerable <Entity> collidableEntities = ecsContainer.Entities.Where(x => x.IsCollidable());
foreach (Entity entity in collidableEntities)
{
//Check all 4 corners of the entity, place in grid for each if it's not already in there.
Collision entityCollision = ecsContainer.Collisions[entity.Id];
Position entityPosition = ecsContainer.Positions[entity.Id];
Vector2 nw = new Vector2(entityPosition.OriginPosition.X - entityCollision.CollisionRadius, entityPosition.OriginPosition.Y - entityCollision.CollisionRadius);
Vector2 ne = new Vector2(entityPosition.OriginPosition.X + entityCollision.CollisionRadius, entityPosition.OriginPosition.Y - entityCollision.CollisionRadius);
Vector2 sw = new Vector2(entityPosition.OriginPosition.X + entityCollision.CollisionRadius, entityPosition.OriginPosition.Y + entityCollision.CollisionRadius);
Vector2 se = new Vector2(entityPosition.OriginPosition.X - entityCollision.CollisionRadius, entityPosition.OriginPosition.Y + entityCollision.CollisionRadius);
Vector2 gridNW = SpatialGridPosition(nw);
Vector2 gridNE = SpatialGridPosition(ne);
Vector2 gridSW = SpatialGridPosition(sw);
Vector2 gridSE = SpatialGridPosition(se);
AddToBucket(ref partitionGrid, gridNW, entity);
if (gridNE != gridNW)
{
AddToBucket(ref partitionGrid, gridNE, entity);
}
if (gridSE != gridNW && gridSE != gridNE)
{
AddToBucket(ref partitionGrid, gridSE, entity);
}
if (gridSW != gridSE && gridSW != gridNW && gridSW != gridNE)
{
AddToBucket(ref partitionGrid, gridSW, entity);
}
}
foreach (List <Entity> entitiesInCell in partitionGrid)
{
if (entitiesInCell != null)
{
foreach (Entity entityOne in entitiesInCell)
{
Collision collisionOne = ecsContainer.Collisions[entityOne.Id];
Position positionOne = ecsContainer.Positions[entityOne.Id];
Rectangle one = new Rectangle((int)positionOne.OriginPosition.X - collisionOne.CollisionRadius, (int)positionOne.OriginPosition.Y - collisionOne.CollisionRadius, collisionOne.CollisionRadius * 2, collisionOne.CollisionRadius * 2);
foreach (Entity entityTwo in entitiesInCell)
{
if (entityOne != entityTwo)
{
Collision collisionTwo = ecsContainer.Collisions[entityTwo.Id];
Position positionTwo = ecsContainer.Positions[entityTwo.Id];
if (!collisionOne.CheckedEntities.Contains(entityTwo.Id) && (collisionOne.CollisionType == CollisionType.REACTOR || collisionTwo.CollisionType == CollisionType.REACTOR))
{
Rectangle two = new Rectangle((int)positionTwo.OriginPosition.X - collisionTwo.CollisionRadius, (int)positionTwo.OriginPosition.Y - collisionTwo.CollisionRadius, collisionTwo.CollisionRadius * 2, collisionTwo.CollisionRadius * 2);
if (one.Intersects(two))
{
collisionOne.CollidedEntities.Add(entityTwo.Id);
collisionTwo.CollidedEntities.Add(entityOne.Id);
}
collisionOne.CheckedEntities.Add(entityTwo.Id);
collisionTwo.CheckedEntities.Add(entityOne.Id);
}
}
}
}
entitiesInCell.Clear();
}
}
}