// ----------------------------------
/// <summary>
/// Safe walk logic- keeps NPC's from stepping to their DOOM
/// decision making
/// </summary>
/// <param name="direction">The direction to walk</param>
public bool Safe_Walk(Shared.Direction direction)
{
host.Direction = direction;
if (CollisionManager.Safe_Step(host))
{
if (CollisionManager.Wall_Collision(host, direction))
{
if (CollisionManager.Jumpable_Terrain(host))
{
host.Try_Jump();
}
else if (!host.Airborne)
{
Turn_Around();
}
}
host.Try_Walk(direction);
return(true);
}
else if (CollisionManager.Safe_Drop(host))
{
host.Try_Walk(direction);
return(true);
}
return(false);
}
// ----------------------------------
/// <summary>
/// Chase is similar to Smart Movement, but much more reckless.
/// </summary>
/// <param name="destination">The destination our host wants to move to</param>
public void Chase(Vector2 destination, string movement = "walk")
{
// ----------------------------------
bool horizontal_tracking = false;
Vector2 source_pos = host.Grid_Position;
Shared.Direction dest_direction = Shared.Direction.NONE;
// ----------------------------------
// If the destination X is greater, it's too the right
if (destination.X > source_pos.X)
{
host.Direction = Shared.Direction.RIGHT;
dest_direction = Shared.Direction.RIGHT;
horizontal_tracking = true;
}
// ----------------------------------
// Less than, it's too the left.
else if (destination.X < source_pos.X)
{
host.Direction = Shared.Direction.LEFT;
dest_direction = Shared.Direction.LEFT;
horizontal_tracking = true;
}
// ----------------------------------
// Begin tracking toward horizontal destination
if (horizontal_tracking)
{
if (!CollisionManager.Safe_Step(host) && destination.Y <= host.Grid_Position.Y)
{
host.Try_Jump();
}
if (movement == "run")
{
host.Try_Run(dest_direction);
}
else
{
host.Try_Walk(dest_direction);
}
// ----------------------------------
// We've hit a wall. Jump to see if that resolves our oh so
// complicated dilemma
if (CollisionManager.Wall_Collision(host, dest_direction))
{
if (Shared.Active_World.Get_Terrain_At((int)destination.X, (int)destination.Y) == null)
{
if (CollisionManager.Jumpable_Terrain(host))
{
host.Try_Jump();
}
}
}
}
}