private void UpdateInput()
{
var velocity = Vector2.Zero;
var ctrlDown = false;
if (Map.World.PlayerCanMove && !_warping)
{
#if DEBUG
// walking through walls while holding ctrl
var kHandler = GetComponent <KeyboardHandler>();
ctrlDown = kHandler.KeyDown(Keys.LeftControl);
#endif
if (GameboyInputs.LeftDown())
{
if (Facing != EntityFacing.West)
{
Facing = EntityFacing.West;
}
else
{
velocity.X = -1f;
}
}
else if (GameboyInputs.RightDown())
{
if (Facing != EntityFacing.East)
{
Facing = EntityFacing.East;
}
else
{
velocity.X = 1f;
}
}
else if (GameboyInputs.UpDown())
{
if (Facing != EntityFacing.North)
{
Facing = EntityFacing.North;
}
else
{
velocity.Y = -1f;
}
}
else if (GameboyInputs.DownDown())
{
if (Facing != EntityFacing.South)
{
Facing = EntityFacing.South;
}
else
{
velocity.Y = 1f;
}
}
// interaction, when player is not moving
if (velocity == Vector2.Zero && GameboyInputs.APressed())
{
// generate a 0.25 cube that is offset by the player's position to their viewing angle
// used to detect collision with entity to interact with
var interactPosition = Position;
switch (Facing)
{
case EntityFacing.North:
interactPosition += new Vector3(0, 0, -Size.Z);
break;
case EntityFacing.West:
interactPosition += new Vector3(-Size.X, 0, 0);
break;
case EntityFacing.South:
interactPosition += new Vector3(0, 0, Size.Z);
break;
case EntityFacing.East:
interactPosition += new Vector3(Size.X, 0, 0);
break;
}
var interactedEntity = Map.World.GetCollision(CollisionType.Test, interactPosition, new Vector3(0.25f), this);
if (interactedEntity != null)
{
interactedEntity.Interact();
}
}
}
_walking = velocity != Vector2.Zero;
var targetPosition = Position;
if (velocity.X != 0f)
{
var xPosition = Position + new Vector3(velocity.X, 0, 0) * SPEED;
var collidedEntity = ctrlDown ? null : Map.World.GetCollision(CollisionType.Walk, xPosition, Size, this);
if (collidedEntity == null)
{
targetPosition.X += velocity.X * SPEED;
_walking = true;
}
else
{
collidedEntity.Collides(this);
}
}
if (velocity.Y != 0f)
{
var zPosition = Position + new Vector3(0, 0, velocity.Y) * SPEED;
var collidedEntity = ctrlDown ? null : Map.World.GetCollision(CollisionType.Walk, zPosition, Size, this);
if (collidedEntity == null)
{
targetPosition.Z += velocity.Y * SPEED;
_walking = true;
}
else
{
collidedEntity.Collides(this);
}
}
if (_walking)
{
var floor = Map.World.GetFloor(targetPosition, this);
if (floor == null)
{
targetPosition.Y = 0f;
}
else
{
targetPosition.Y = floor.GetHeightForPosition(new Vector2(targetPosition.X, targetPosition.Z));
Map.World.ChangeMap(floor.Map.MapFile);
}
// can climb 0.25 up at most
if (ctrlDown || targetPosition.Y - 0.25f <= Position.Y)
{
Position = targetPosition;
}
// wild encounters through grass
var isInGrass = Map.World.IsInGrass(Position, new Vector3(0.1f, 1f, 0.1f), this);
if (isInGrass)
{
_stepsInGrass++;
var encountered = Map.World.TryWildEncounter(_stepsInGrass);
if (encountered)
{
_stepsInGrass = 0;
}
}
}
}
