private void UpdateFallingInHoles()
{
if (fallingInHole)
{
holeDoomTimer--;
// After a delay, disable the player's motion.
if (holeDoomTimer < 0)
{
player.Physics.Velocity = Vector2F.Zero;
}
if (!player.Physics.IsInHole)
{
// Stop falling in a hole.
fallingInHole = false;
doomedToFallInHole = false;
holeTile = null;
return;
}
else if (doomedToFallInHole)
{
// Collide with hole boundary's inside edges.
Rectangle2F collisionBox = new Rectangle2F(-1, -1, 2, 2);
player.Physics.PerformInsideEdgeCollisions(collisionBox, holeTile.Bounds);
}
else
{
// Check if the player has changed quadrents,
// which dooms him to fall in the hole.
Point2I holeTileLoc = player.RoomControl.GetTileLocation(player.Position);
Tile newHoleTile = player.RoomControl.GetTopTile(holeTileLoc);
Point2I newQuadrent = (Point2I)(player.Position / 8);
if (newQuadrent != holeEnterQuadrent)
{
doomedToFallInHole = true;
holeTile = newHoleTile;
}
}
// Move toward the hole's center on each axis seperately.
for (int i = 0; i < 2; i++)
{
float diff = holeTile.Center[i] - player.Center[i];
if (Math.Abs(diff) > 0.6f)
{
float dist = 0.25f;
// Pull the player in more if he's moving away from the hole.
if ((diff < 0.0f && player.Physics.Velocity[i] > 0.25f) ||
(diff > 0.0f && player.Physics.Velocity[i] < -0.25f))
{
dist = 0.5f;
}
if (!(diff < 0.0f && player.Physics.Velocity[i] < -0.25f) &&
!(diff > 0.0f && player.Physics.Velocity[i] > 0.25f))
{
holeSlipVelocity[i] = Math.Sign(diff) * dist;
}
}
}
player.Position += holeSlipVelocity;
// Fall in the hole when too close to the center.
if (player.Center.DistanceTo(holeTile.Center) <= 1.0f)
{
AudioSystem.PlaySound(GameData.SOUND_PLAYER_FALL);
player.SetPositionByCenter(holeTile.Center);
player.Graphics.PlayAnimation(GameData.ANIM_PLAYER_FALL);
player.RespawnDeath();
holeTile = null;
fallingInHole = false;
doomedToFallInHole = false;
}
}
else if (player.Physics.IsInHole && player.CurrentState != player.RespawnDeathState)
{
// Start falling in a hole.
Point2I holeTileLoc = player.RoomControl.GetTileLocation(player.Position);
holeTile = player.Physics.TopTile;
holeEnterQuadrent = (Point2I)(player.Position / 8);
doomedToFallInHole = false;
fallingInHole = true;
holeDoomTimer = 10;
}
}
