public void EncodeToTexture(
GridValueProvider gridValueProvider,
Texture2D texture,
int channelOffset,
int currentHeight,
int currentWidth
)
{
var i = 0;
// There's an implicit flip converting to PNG from texture, so make sure we
// counteract that when forming the texture by iterating through h in reverse.
for (var h = m_MaxHeight - 1; h >= 0; h--)
{
for (var w = 0; w < m_MaxWidth; w++)
{
var colorVal = Color.black;
if (h < currentHeight && w < currentWidth)
{
int oneHotValue = gridValueProvider(h, w);
if (oneHotValue >= channelOffset && oneHotValue < channelOffset + 3)
{
colorVal = s_OneHotColors[oneHotValue - channelOffset];
}
}
m_Colors[i++] = colorVal;
}
}
texture.SetPixels(m_Colors);
}
/// <summary>
/// Create a sensor for the GridValueProvider with the specified observation type.
/// </summary>
/// <remarks>
/// Use Match3Sensor.CellTypeSensor() or Match3Sensor.SpecialTypeSensor() instead of calling
/// the constructor directly.
/// </remarks>
/// <param name="board">The abstract board. This is only used to get the size.</param>
/// <param name="gvp">The GridValueProvider, should be either board.GetCellType or board.GetSpecialType.</param>
/// <param name="oneHotSize">The number of possible values that the GridValueProvider can return.</param>
/// <param name="obsType">Whether to produce vector or visual observations</param>
/// <param name="name">Name of the sensor.</param>
public Match3Sensor(AbstractBoard board, GridValueProvider gvp, int oneHotSize, Match3ObservationType obsType, string name)
{
m_Name = name;
m_Rows = board.Rows;
m_Columns = board.Columns;
m_GridValues = gvp;
m_OneHotSize = oneHotSize;
m_ObservationType = obsType;
m_ObservationSpec = obsType == Match3ObservationType.Vector
? ObservationSpec.Vector(m_Rows * m_Columns * oneHotSize)
: ObservationSpec.Visual(m_Rows, m_Columns, oneHotSize);
}
/// <summary>
/// Create a sensor for the GridValueProvider with the specified observation type.
/// </summary>
/// <remarks>
/// Use Match3Sensor.CellTypeSensor() or Match3Sensor.SpecialTypeSensor() instead of calling
/// the constructor directly.
/// </remarks>
/// <param name="board">The abstract board.</param>
/// <param name="gvp">The GridValueProvider, should be either board.GetCellType or board.GetSpecialType.</param>
/// <param name="oneHotSize">The number of possible values that the GridValueProvider can return.</param>
/// <param name="obsType">Whether to produce vector or visual observations</param>
/// <param name="name">Name of the sensor.</param>
public Match3Sensor(AbstractBoard board, GridValueProvider gvp, int oneHotSize, Match3ObservationType obsType, string name)
{
var maxBoardSize = board.GetMaxBoardSize();
m_Name = name;
m_MaxBoardSize = maxBoardSize;
m_GridValues = gvp;
m_OneHotSize = oneHotSize;
m_Board = board;
m_ObservationType = obsType;
m_ObservationSpec = obsType == Match3ObservationType.Vector
? ObservationSpec.Vector(maxBoardSize.Rows * maxBoardSize.Columns * oneHotSize)
: ObservationSpec.Visual(maxBoardSize.Rows, maxBoardSize.Columns, oneHotSize);
}
