public override void Update(Game0 game)
{
base.Update(game);
if (Fade)
{
FadeFrame += game.Player.Alive ? -FadeStep : FadeStep;
if (FadeFrame < FadeMin || FadeMax < FadeFrame)
{
FadeFrame = Math.Min(FadeMax, Math.Max(FadeMin, FadeFrame));
Fade = false;
if (!game.Player.Alive)
{
game.ChangeState(new LoadingLevel(game.CurrentLevel.Name));
}
}
}
if (game.Player.Alive)
{
// remove obsolete entities
for (var i = game.Entities.Count - 1; i >= 0; i--)
{
if ((game.Entities[i] as IDestroyable)?.Obsolete() == true)
{
game.Entities.RemoveAt(i);
}
}
// update all entities
for (var i = game.Entities.Count - 1; i >= 0; i--)
{
game.Entities[i].Update();
}
// player standing on obstacle (moving platform)
if (game.Player.ObstacleAt(Side.Down))
{
var bb = game.Player.BoundingBox + game.Player.Position;
var underPlayer = new AABB(new Vector2f(bb.Left + 1, bb.Bottom - 1), new Vector2f(bb.Right - 1, bb.Bottom));
if (game.Entities.SingleOrDefault(e => e is Platform p && underPlayer.Overlap(p.BoundingBox + p.Position)) is Platform platformDown)
{
game.Player.Velocity += platformDown.Velocity;
}
}
// platform pushing player
var obstacles = game.Entities.Where(e => (e as Obstacle) != null).Select(o => o as Obstacle).ToArray();
foreach (var obstacle in obstacles)
{
var playerAABB = game.Player.BoundingBox + game.Player.Position;
if (obstacle is Platform platform)
{
var platformAABB = platform.BoundingBox + platform.Position;
if (playerAABB.Overlap(platformAABB))
{
var overlap = AABB.Overlap(playerAABB, platformAABB);
game.Player.Velocity += overlap.Size * platform.Velocity.Normalize();
}
}
}
// solve collisions of dynamic entities
foreach (var entity in game.Entities)
{
if (entity is DynamicEntity dynamicEntity)
{
// if entity is oblivious to environment solve its collisions
if (dynamicEntity.Responsive)
{
Solve(game, dynamicEntity, out Vector2f position, out Vector2f velocity);
dynamicEntity.Position = position;
dynamicEntity.Velocity = velocity;
}
else
{
dynamicEntity.Position += dynamicEntity.Velocity;
}
//if (entity as Player != null || entity as Platform != null)
// Log.Add(entity.ToString());
}
}
foreach (var entity in game.Entities)
{
DebugData.TrackEntity(entity as ITrack);
}
// update camera with respect to world/level borders
game.Camera.Update(game.Player, new AABB(Vector2f.Zero, game.CurrentLevel.Size));
// if player is still alive
if (!CheckPlayerDeath(game))
{
// update player awarness of surrounding objects
game.Player.UpdateSurroundings(game.Entities.Where(e => (e as Obstacle) != null).Select(o => o as Obstacle).ToArray());
if (game.Entities.SingleOrDefault(e => e is LevelEndZone) is LevelEndZone levelEndZone && levelEndZone.VsEntity(game.Player))
{
game.ChangeState(new LoadingLevel(game.CurrentLevel.NextLevel));
}
}
}
}
