public static bool TryToMove(StateSpaceComponents spaceComponents, DungeonTile[,] dungeonGrid, PositionComponent newPosition, Guid attemptingEntity)
{
bool canMove = true;
foreach (Guid id in spaceComponents.Entities.Where(x => (x.ComponentFlags & ComponentMasks.Collidable) == ComponentMasks.Collidable).Select(x => x.Id))
{
if((int)spaceComponents.PositionComponents[id].Position.X == (int)newPosition.Position.X &&
(int)spaceComponents.PositionComponents[id].Position.Y == (int)newPosition.Position.Y &&
id != attemptingEntity)
{
spaceComponents.CollisionComponents[attemptingEntity].CollidedObjects.Add(id);
spaceComponents.GlobalCollisionComponent.EntitiesThatCollided.Add(attemptingEntity);
if(spaceComponents.CollisionComponents[id].Solid && spaceComponents.CollisionComponents[attemptingEntity].Solid)
{
canMove = false;
}
}
}
if(canMove)
{
spaceComponents.PositionComponents[attemptingEntity] = newPosition;
if(dungeonGrid[(int)newPosition.Position.X, (int)newPosition.Position.Y].Type == TileType.TILE_TALLGRASS &&
(spaceComponents.Entities.Where(x => (x.Id == attemptingEntity)).First().ComponentFlags & ComponentMasks.Observer) != ComponentMasks.Observer)
{
dungeonGrid[(int)newPosition.Position.X, (int)newPosition.Position.Y].Type = TileType.TILE_FLATTENEDGRASS;
dungeonGrid[(int)newPosition.Position.X, (int)newPosition.Position.Y].Symbol = Tiles.FlatGrassSymbol;
dungeonGrid[(int)newPosition.Position.X, (int)newPosition.Position.Y].SymbolColor = Tiles.FlatGrassSymbolColor;
dungeonGrid[(int)newPosition.Position.X, (int)newPosition.Position.Y].ChanceToIgnite = Tiles.FlatGrassIgniteChance;
}
if (dungeonGrid[(int)newPosition.Position.X, (int)newPosition.Position.Y].Type == TileType.TILE_FIRE &&
(spaceComponents.Entities.Where(x => (x.Id == attemptingEntity)).First().ComponentFlags & ComponentMasks.Observer) != ComponentMasks.Observer)
{
spaceComponents.DelayedActions.Add(new Action(() =>
{
//Burn effect damage is hardcoded for now
StatusSystem.ApplyBurnEffect(spaceComponents, attemptingEntity, StatusEffects.Burning.Turns, StatusEffects.Burning.MinDamage, StatusEffects.Burning.MaxDamage);
}));
}
}
return canMove;
}
private static PositionComponent AIRoam(Guid entity, PositionComponent position, DungeonTile[,] dungeonGrid, Vector2 dungeonDimensions, Random random)
{
List<Vector2> validSpots = new List<Vector2>();
//Select a random traversible direction and move in that direction
for(int i = (int)position.Position.X-1; i <= (int)position.Position.X+1; i++)
{
for(int j = (int)position.Position.Y-1; j <= (int)position.Position.Y+1; j++)
{
if(i >=0 && j >= 0 && i < (int)dungeonDimensions.X && j < (int)dungeonDimensions.Y && dungeonGrid[i,j].Occupiable)
{
validSpots.Add(new Vector2(i, j));
}
}
}
//Choose a new spot
return new PositionComponent() { Position = validSpots[random.Next(0, validSpots.Count)] };
}
private static PositionComponent AIFlee(Guid entity, PositionComponent position, Vector2 dungeonDimensions, DijkstraMapTile[,] mapToPlayer, Random random)
{
int lowestGridTile = 1;
List<Vector2> validSpots = new List<Vector2>();
for (int i = (int)position.Position.X - 1; i <= (int)position.Position.X + 1; i++)
{
for (int j = (int)position.Position.Y - 1; j <= (int)position.Position.Y + 1; j++)
{
if (i >= 0 && j >= 0 && i < (int)dungeonDimensions.X && j < (int)dungeonDimensions.Y)
{
if (mapToPlayer[i, j].Weight < DevConstants.Grid.WallWeight)
{
lowestGridTile = (mapToPlayer[i, j].Weight * -1 < lowestGridTile * -1) ? mapToPlayer[i, j].Weight : lowestGridTile;
}
}
}
}
for (int i = (int)position.Position.X - 1; i <= (int)position.Position.X + 1; i++)
{
for (int j = (int)position.Position.Y - 1; j <= (int)position.Position.Y + 1; j++)
{
if (i >= 0 && j >= 0 && i < (int)dungeonDimensions.X && j < (int)dungeonDimensions.Y && mapToPlayer[i, j].Weight == lowestGridTile)
{
validSpots.Add(new Vector2(i, j));
}
}
}
return new PositionComponent() { Position = validSpots[random.Next(0, validSpots.Count)] };
}
private static void CreateObserver(StateSpaceComponents spaceComponents, PositionComponent position)
{
Guid id = spaceComponents.CreateEntity();
spaceComponents.Entities.Where(x => x.Id == id).First().ComponentFlags = ComponentMasks.Observer;
spaceComponents.PositionComponents[id] = position;
spaceComponents.CollisionComponents[id] = new CollisionComponent() { Solid = false, CollidedObjects = new List<Guid>() };
spaceComponents.InputMovementComponents[id] = new InputMovementComponent() { InitialWait = .3f, IsButtonDown = false, LastKeyPressed = Keys.None, TimeIntervalBetweenMovements = .1f, TimeSinceLastMovement = 0f, TotalTimeButtonDown = 0f };
spaceComponents.DisplayComponents[id] = new DisplayComponent()
{
Color = Colors.Messages.Special,
Rotation = 0f,
Origin = Vector2.Zero,
Scale = 1f,
SpriteEffect = SpriteEffects.None,
SpriteSource = new Rectangle(0 * DevConstants.Grid.CellSize, 0 * DevConstants.Grid.CellSize, DevConstants.Grid.CellSize, DevConstants.Grid.CellSize),
AlwaysDraw = true,
Opacity = .6f
};
}
private static bool CalculateMovement(ref PositionComponent pos, int xChange, int yChange, ref InputMovementComponent movementComponent, GameTime gameTime, Keys keyPressed)
{
bool movement = false;
if (movementComponent.IsButtonDown)
{
if(keyPressed == movementComponent.LastKeyPressed)
{
movementComponent.TimeSinceLastMovement += (float)gameTime.ElapsedGameTime.TotalSeconds;
movementComponent.TotalTimeButtonDown += (float)gameTime.ElapsedGameTime.TotalSeconds;
}
else
{
movementComponent.IsButtonDown = false;
movementComponent.TotalTimeButtonDown = 0f;
}
}
if (!movementComponent.IsButtonDown || (movementComponent.TimeIntervalBetweenMovements < movementComponent.TimeSinceLastMovement
&& movementComponent.InitialWait < movementComponent.TotalTimeButtonDown))
{
movementComponent.IsButtonDown = true;
movementComponent.LastKeyPressed = keyPressed;
movementComponent.TimeSinceLastMovement = 0f;
movement = true;
pos.Position.X += xChange;
pos.Position.Y += yChange;
}
return movement;
}