public static float EstimateScore(PlayerId pId, GameState state, Input move, Vector2 target)
{
// prof.Start ();
float similarity;
if (move == Input.Noop) {
similarity = 0f;
} else {
var player = state.Player (pId);
Vector2 gravOffset = state.IsGrounded (player) ? Vector2.Zero : gravVector;
Vector2 targetVector = Vector2.Subtract (target, player.Target + gravOffset);
Vector2.Normalize (targetVector);
// Debug.WriteLine("targetVector: {0}", gravOffset);
similarity = (float)Util.CosineSimilarity(targetVector, moveVectors [move]);
}
// prof.End ();
return -similarity;
}
public float statusWrap(GameState state, float s)
{
float healthScore = System.Math.Abs(state.Health);
var healthWeight = 150f;
var score = s + (healthWeight * healthScore);
if (state.PlayStatus.isDied () ||
state.Player(pId).BottomBoundary < state.Platforms.Min(x => x.TopBoundary)) {
score = 5*GameState.Width;
} else if (state.PlayStatus.isWon ()) {
score = 0;
}
return score;
}
private float PlatformPathDistance(GameState state, PlayerId pId, GameObject platform)
{
return PlatformPathDistance (pas.PlatformPath (state.Player (pId), state.Goal), platform);
}
public GameObject NextPlatform(GameState state)
{
return pas.NextPlatform (state.Player(pId), state.Goal);
}
public static float PlayerDistance(PlatformAStar pas, GameState state, PlayerId pId, GameObject target)
{
return Vector2.Distance (state.Player(pId).SurfaceCenter, target.Target) +
PlatformPathDistance (pas.PlatformPath (state.Player (pId), state.Goal), target);
}
public override float Score(GameState state)
{
float goalDistance = Vector2.Distance(state.Player(pId).Coords, state.Goal.Coords);
float healthScore = System.Math.Abs(state.Health);
var healthWeight = 0f;
return goalDistance + (healthWeight * healthScore);
}
public static Player otherPlayer(this AI ai, GameState state)
{
return state.Player (ai.pId == PlayerId.P1 ? PlayerId.P2 : PlayerId.P1);
}
public static Player thisPlayer(this AI ai, GameState state)
{
return state.Player (ai.pId);
}
