protected override void ReadEntry(JObject entry)
{
var name = entry.ReadString("name");
var unitTime = entry.ReadUInt("unitTime"); // number of hours
var seed = entry.ReadUInt("seed");
var baseTime = entry.ReadString("baseTime");
var data = new WeatherTableData();
DateTime dt;
DateTime.TryParseExact(baseTime, "yyyyMMddhhmm", null, DateTimeStyles.AssumeLocal, out dt);
data.BaseTime = dt.Ticks;
var rnd = new CRandom(seed);
var count = (int)(3600000 * unitTime / 1200000); // number of 20 min periods
foreach (var cols in entry["rows"].Select(row => row.ToObject <float[]>()))
{
for (var i = 0; i < count; ++i)
{
data.Values.Add(this.ComputeWeather(cols, rnd));
}
}
this.Entries[name] = data;
}
private float ComputeWeather(float[] cols, CRandom rnd)
{
var result = 2.0f;
var addedCols = new float[4];
addedCols[0] = cols[0];
for (var i = 1; i < 4; ++i)
{
addedCols[i] += addedCols[i - 1] + cols[i];
}
float randFloat;
try
{
randFloat = rnd.RandomF32(0.0f, addedCols[3]);
}
catch (CRandomException)
{
return(-1.0f);
}
if (addedCols[1] >= randFloat)
{
if (addedCols[0] >= randFloat)
{
if (cols[0] <= 0.0)
{
result = 0.5f;
}
else
{
result = randFloat / cols[0];
}
}
else
{
result = (randFloat - addedCols[0]) * 0.95f / cols[1] + 1.0f;
}
}
else
{
result = (randFloat - addedCols[1]) * 0.05f / cols[2] + 1.95f;
}
return(result);
}