public override void Update(GameTime gameTime)
{
if (ElapsedTime == FireSpawnInterval)
{
foreach (int entityID in ActiveEntities)
{
MonoGame.Extended.Entities.Entity placeholder = Game1._world.GetEntity(entityID);
ECSComponents.StatusComponent capturedStatus = placeholder.Get <ECSComponents.StatusComponent>(); // get the status component of the entity
if (capturedStatus.Type == Game1.EntityType.Lightning) // if the entity is a Lightining Disaster
{
// call SpawnFire Here
ECSComponents.PositionComponent capturedPosition = placeholder.Get <ECSComponents.PositionComponent>();
int spawnX = (int)capturedPosition.XCoor;
int spawnY = (int)capturedPosition.YCoor;
SpawnFire(spawnX, spawnY);
}
else if (capturedStatus.Type == Game1.EntityType.Fire) // this is where Propagate will be called
{
Propagate(entityID);
}
}
ElapsedTime = 0;
return;
}
else
{
ElapsedTime++;
return;
}
}
public async void SpawnFire(int initialX, int InitialY)
{
if (Game1.fireNum <= maxFires)
{
// PositionComponent
ECSComponents.PositionComponent newPos = CalculateFireGridPos(initialX, InitialY);
// SpriteComponent
ECSComponents.SpriteComponent newSprite = new ECSComponents.SpriteComponent(Game1.SpriteDict["fire_1"], 1);
// StatusComponent
ECSComponents.StatusComponent newStatus = new ECSComponents.StatusComponent(false, Game1.EntityType.Fire);
//hitboxComponet
ECSComponents.CollisionBoxComponet newHitBox = new ECSComponents.CollisionBoxComponet(newSprite.Sprite, newPos);
if (DetermineSpawnLegality(newPos)) // if this position isn't already occupied by a fireSprite
{
Entity newDisaster = Game1._world.CreateEntity(); // create the entity
int newID = newDisaster.Id; // track the new entity's id
newDisaster = Game1._world.GetEntity(newID); // spawn the new fire entity
// attach components
newDisaster.Attach(newPos);
newDisaster.Attach(newSprite);
newDisaster.Attach(newStatus);
newDisaster.Attach(newHitBox);
Game1.fireNum++;
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
() =>
{
Game1.myGamePage.CreateNewFire(newID);
});
return;
}
else
{
return; // fire already exists in this position so do not spawn it
}
}
else
{
return;
}
}
public bool CheckEntityStatus()
{
bool entity_destroyed = false;
/// Iterate through all entities w/ Status Component
foreach (var entityId in ActiveEntities)
{
var entity = GetEntity(entityId);
var status = entity.Get <StatusComponent>();
/// Check if Entity is destroyed
if (status.IsReadyForCleanup)
{
if (status.Type == Game1.EntityType.Fire) // if the entity being destroyed is fired, it's grid position must be freed up
{
// to do this we must get the entity's indicies in the fire grid, then we set that position in the array == 0
ECSComponents.PositionComponent capturedPos = entity.Get <ECSComponents.PositionComponent>();
int fireSpriteWidth = Game1.SpriteDict["fire_1"].texture.Width;
int fireSpriteHeight = Game1.SpriteDict["fire_1"].texture.Height;
int fireGridXIndex = ((int)capturedPos.XCoor - ((int)capturedPos.XCoor % fireSpriteWidth)) / fireSpriteWidth;
int fireGridYIndex = ((int)capturedPos.YCoor - ((int)capturedPos.YCoor % fireSpriteHeight)) / fireSpriteHeight;
fireGridXIndex -= 1;
fireGridYIndex -= 1;
Game1.fireGrid[fireGridXIndex, fireGridYIndex] = 0;
Game1.fireNum--;
}
if (status.Type == Game1.EntityType.Lightning)
{
Game1.cloudNum--;
}
DestroyEntity(entity);
Game1._world.DestroyEntity(entity); // Removes entity from the world
entity_destroyed = true;
}
}
return(entity_destroyed);
}
public override void Draw(GameTime gameTime) // overridden draw function that will render all entities with a sprite component every Darw() call
{
Game1.spriteBatch.Begin();
foreach (var entityID in ActiveEntities)
{
// Get the entity that the entityID references
Entity entity = Game1._world.GetEntity(entityID);
// **Get Position**
// Pull the PositionComponent from the entity
ECSComponents.PositionComponent entityPositionComponent = entity.Get <ECSComponents.PositionComponent>();
// Get the coordinates of the entity from the entity's PositionComponent
var entityX = entityPositionComponent.XCoor;
var entityY = entityPositionComponent.YCoor;
var angle = entityPositionComponent.Angle;
// **Get Sprite**
// Pull the SpriteComponent from the entity
ECSComponents.SpriteComponent entitySpriteComponent = entity.Get <ECSComponents.SpriteComponent>();
// Get the Texture2D of the entity from the entity's SpriteComponent
SpriteClass sprite = entitySpriteComponent.Sprite;
Microsoft.Xna.Framework.Graphics.Texture2D texture = sprite.texture;
float scale = entitySpriteComponent.Scale;
// draw the entity
Vector2 spritePosition = new Vector2(entityX, entityY);
Game1.spriteBatch.Draw(texture,
spritePosition,
null,
Color.White,
angle,
new Vector2(texture.Width / 2, texture.Height / 2),
new Vector2(scale, scale),
Microsoft.Xna.Framework.Graphics.SpriteEffects.None,
0f);
}
Game1.spriteBatch.End();
}
