/// <summary>
/// Transfers the specified source.
/// </summary>
/// <param name="src">The source.</param>
/// <param name="srcIdx">Index of the source.</param>
/// <param name="dest">The dest.</param>
/// <param name="destIdx">Index of the dest.</param>
/// <param name="amount">The amount.</param>
/// <exception cref="System.Exception">Invalid transfer of feed</exception>
private void Transfer(SupplementRation src, int srcIdx, SupplementRation dest, int destIdx, double amount)
{
if (srcIdx < 0 || srcIdx >= src.Count || destIdx < 0 || destIdx > dest.Count)
{
throw new Exception("Invalid transfer of feed");
}
if (src[srcIdx].Amount > 0)
{
if (amount > 0.0)
{
if (destIdx < dest.Count)
{
SuppIntoRation(dest, destIdx, src[srcIdx], amount);
}
else
{
FoodSupplement copy = new FoodSupplement();
copy.Assign(src[srcIdx]);
dest.Add(copy, amount);
}
src[srcIdx].Amount -= amount;
}
}
else
{
dest[destIdx].Amount = 0;
}
}
/// <summary>
/// Mixes the supplement into the ration.
/// </summary>
/// <param name="ration">The ration.</param>
/// <param name="idx">The index.</param>
/// <param name="supp">The supp.</param>
/// <param name="amount">The amount.</param>
private void SuppIntoRation(SupplementRation ration, int idx, FoodSupplement supp, double amount)
{
if (amount > 0.0)
{
double propn = amount / (amount + ration[idx].Amount);
ration[idx].Mix(supp, ration[idx], propn);
ration[idx].Amount += amount;
}
}
/// <summary>
/// Completes the time step.
/// </summary>
public void CompleteTimeStep()
{
int lastDay = (int)(SpoilageTime - 1.0e-6);
for (int paddIdx = 0; paddIdx < Paddocks.Length; paddIdx++)
{
SupplementRation ration = Paddocks[paddIdx].SupptFed;
if (ration.Count > 0)
{
for (int dayNum = System.Math.Min(lastDay, ration.Count); dayNum > 0; dayNum--)
{
ration[dayNum] = ration[dayNum - 1];
ration[dayNum].Amount = ration[dayNum - 1].Amount * (SpoilageTime - dayNum) / (SpoilageTime - (dayNum - 1));
}
ration[0].Amount = 0.0;
}
}
}
/// <summary>
/// Removes the supplement
/// </summary>
/// <param name="paddIdx">Index of the padd.</param>
/// <param name="suppKg">The supp kg.</param>
/// <exception cref="System.Exception">Paddock not recognised</exception>
private void RemoveSuppt(int paddIdx, double suppKg)
{
if (paddIdx < 0)
{
throw new Exception("Paddock not recognised");
}
SupplementRation ration = Paddocks[paddIdx].SupptFed;
if (suppKg > 0.0 && ration.TotalAmount > 0.0)
{
double removePropn = suppKg / ration.TotalAmount;
if (removePropn < 1.0 - 1.0e-6)
{
ration.TotalAmount -= suppKg;
}
else
{
ration.TotalAmount = 0.0;
}
}
}
