public float[] GetState(int piece, int x, int rot)
{
float[] states = new float[4];
// get the position of each square when rotated at x position
V2Int[] p0Positions = tetrominoes[piece].GetBlockPositions(x, TetrisSettings.SpawnY, TetrisSettings.Rotations[rot]);
gridTemp = grid.GetTempGrid();
if (grid.CheckPositionsAreValid(p0Positions, gridTemp))
{
grid.MoveBlockDownToPlace(p0Positions, ref gridTemp);
grid.GetLines(ref gridTemp);
grid.GetGridProperties(gridTemp, ref states[0], ref states[1], ref states[2], ref states[3]);
// normalise state values 0 - 1
states[0] = states[0] / 4f; // max height
states[1] = states[1] / TetrisSettings.GridSize; // sum height
states[2] = states[2] / TetrisSettings.GridSize; // bumpiness
states[3] = states[3] / TetrisSettings.GridSize; // numHoles
}
else
{
states[0] = -1;
states[1] = -1;
states[2] = -1;
states[3] = -1;
}
return(states);
}
