public static void ParseBinValues(BinaryReader br, GridData grid)
{
// Allocate grid memory
grid.InitGridValues(false);
byte[] bytes = null;
// Read values
ReadArray(br, ref bytes, grid.values, 4);
// Read if it has values mask
var withMask = br.ReadBoolean();
if (withMask)
{
grid.CreateMaskBuffer();
// Read values mask
ReadArray(br, ref bytes, grid.valuesMask);
}
// Read distribution values
var count = br.ReadByte();
if (count > 0)
{
int[] distributionValues = new int[count];
ReadArray(br, ref bytes, distributionValues, 4);
// Read max distribution value
int maxDistributionValue = br.ReadInt32();
grid.SetDistribution(distributionValues, maxDistributionValue);
}
}
//
// Private Methods
//
private void InitArrays()
{
int length = grid.countX * grid.countY;
if (length > 0)
{
if (grid.values == null || grid.values.Length != length)
{
grid.values = new float[length];
grid.valuesMask = GridData.CreateMaskBuffer(length);
divisors = new float[length];
}
}
else
{
grid.values = null;
grid.valuesMask = null;
divisors = null;
}
}
private static void ReadValues(StreamReader sr, string filename, GridData grid, List <float> valuesMap)
{
int count = grid.countX * grid.countY;
float[] values = new float[count];
byte[] masks = GridData.CreateMaskBuffer(count); // masks array size needs to be multiple of 4
float minValue = float.MaxValue;
float maxValue = float.MinValue;
string line;
string[] cells;
float value;
byte mask;
bool hasMask = false;
int index = 0;
var cultureInfo = CultureInfo.InvariantCulture;
if (valuesMap == null)
{
// Read each data row at a time with value
while ((line = sr.ReadLine()) != null)
{
cells = line.Split(',');
value = float.Parse(cells[0], cultureInfo);
mask = byte.Parse(cells[1]);
values[index] = value;
masks[index] = mask;
if (mask == 1)
{
minValue = Mathf.Min(minValue, value);
maxValue = Mathf.Max(maxValue, value);
}
else
{
hasMask = true;
}
index++;
}
}
else
{
// Read each data row at a time and replace original value with value set for name from NAMETOVALUE
while ((line = sr.ReadLine()) != null)
{
cells = line.Split(',');
int valueAsId = int.Parse(cells[0]);
mask = byte.Parse(cells[1]);
value = mask == 1 ? valuesMap[valueAsId - 1] : -1;
values[index] = value;
masks[index] = mask;
if (mask == 1)
{
minValue = Mathf.Min(minValue, value);
maxValue = Mathf.Max(maxValue, value);
}
else
{
hasMask = true;
}
index++;
}
}
if (index != count)
{
Debug.LogWarning(filename + " has " + index + " values instead of the expected " + count);
}
grid.minValue = minValue;
grid.maxValue = maxValue;
grid.values = values;
// Only copy mask if at least one value is 0
if (hasMask)
{
grid.valuesMask = masks;
}
}