public static Strategy Build(Unit player, Cache cache, Game game, Nearest nearest)
{
if (player.Health < 89 && game.LootBoxes.Where(x => x.Item is Item.HealthPack).Any())
{
return new Strategy {
Type = StrategyType.Heal
}
}
;
if (player.Weapon.HasValue == false)
{
return new Strategy {
Type = StrategyType.Seek
}
}
;
if (cache.EqualDistanceTicks > 10 || cache.PrevStrategy.Type == StrategyType.GettinCloser && Helpers.DistanceSqr(player.Position, nearest.Enemy.Value.Position) > 4)
{
return(new Strategy {
Type = StrategyType.GettinCloser
});
}
return(new Strategy {
Type = StrategyType.Kill
});
}
}
}
public static Vec2Double Build(Strategy strategy, Nearest nearest, Cache cache, Unit player)
{
if (nearest.Weapon.HasValue && strategy.Type == StrategyType.Seek)
{
return(new Vec2Double(nearest.Weapon.Value.Position.X, nearest.Weapon.Value.Position.Y));
}
if (nearest.HealthPack.HasValue && strategy.Type == StrategyType.Heal)
{
return(new Vec2Double(nearest.HealthPack.Value.Position.X, nearest.HealthPack.Value.Position.Y));
}
if (strategy.Type == StrategyType.Climb)
{
return(cache.Peak);
}
var addition = 0;
if (strategy.Type == StrategyType.GettinCloser)
{
return(new Vec2Double(nearest.Enemy.Value.Position.X + addition, nearest.Enemy.Value.Position.Y));
}
if (nearest.Enemy.HasValue)
{
if (player.Position.X > nearest.Enemy.Value.Position.X)
{
addition = 6;
}
else
{
addition = -6;
}
if (nearest.Enemy.Value.Weapon.HasValue && nearest.Enemy.Value.Weapon.Value.Typ == WeaponType.RocketLauncher)
{
addition = addition * 2;
}
if (Helpers.DistanceSqr(player.Position, nearest.Enemy.Value.Position) < addition * addition)
{
addition = addition * -1;
}
if (Helpers.DistanceSqr(player.Position, nearest.Enemy.Value.Position) < 16)
{
addition = addition * -1;
}
return(new Vec2Double(nearest.Enemy.Value.Position.X + addition, nearest.Enemy.Value.Position.Y));
}
return(new Vec2Double(nearest.Enemy.Value.Position.X, nearest.Enemy.Value.Position.Y));
}
public UnitAction GetAction(Unit unit, Game game, Debug debug)
{
if (_cache == null)
{
_cache = new Cache(unit, game);
}
var nearest = new Nearest(unit, game);
_cache.UpdateDistance(unit, nearest.Enemy.Value);
var strategy = StrategyBuilder.Build(unit, _cache, game, nearest);
_cache.PrevStrategy = strategy;
UnitAction action = ActionBuilder.Build(strategy, unit, game, _cache, nearest);
action.Log(debug, unit, strategy);
return(action);
}
public static bool CanShoot(this Unit player, Unit target, Tile[][] tiles, Nearest nearest)
{
var tan = ((nearest.Enemy.Value.Position.Y - player.Position.Y) / (nearest.Enemy.Value.Position.X - player.Position.X));
var isRightSide = nearest.Enemy.Value.Position.X < player.Position.X;
var increment = isRightSide ? -0.3 : 0.3;
double x1 = player.Position.X;
double y1 = player.Position.Y + 1;
double x2 = nearest.Enemy.Value.Position.X;
double y2 = nearest.Enemy.Value.Position.Y + 1;
double x = x1;
double y = y1;
try
{
while ((int)x != (int)(x2))
{
x = x + increment;
y = (x * y2 - x * y1 - x1 * y2 + x2 * y1) / (x2 - x1);
if ((int)x == (int)(x2) && ((int)y == (int)y2 || (int)y == (int)(y2 + 1) || (int)y == (int)(y2 - 1)))
{
break;
}
if (tiles[(int)x][(int)y] == Tile.Wall)
{
return(false);
}
}
}
catch (Exception e) {
return(true);
}
return(true);
}
public static UnitAction Build(Strategy strategy, Unit player, Game game, Cache cache, Nearest nearest)
{
var target = TargetBuilder.Build(strategy, nearest, cache, player);
var aim = AimBuilder.Build(player, nearest.Enemy);
var jump = JumpBuilder.Build(player, target, game, strategy, nearest);
var velocity = VelocityBuilder.Build(strategy, player, target, game.Level.Tiles);
var action = new UnitAction();
action.Velocity = velocity;
action.Jump = jump;
action.JumpDown = jump == false;
action.Aim = aim;
action.Shoot = player.CanShoot(nearest.Enemy.Value, game.Level.Tiles, nearest);
action.SwapWeapon = ChangeWeaponBuilder.Build(player, strategy, nearest.Weapon);
action.PlantMine = false;
action.Reload = false;
return(action);
}