/// <summary>
/// Smooth police station map and compute crime rate
/// </summary>
public void CrimeScan()
{
SmoothStationMap(PoliceStationMap);
SmoothStationMap(PoliceStationMap);
SmoothStationMap(PoliceStationMap);
long totz = 0;
int numz = 0;
int cmax = 0;
for (int x = 0; x < Constants.WorldWidth; x += CrimeRateMap.BlockSize)
{
for (int y = 0; y < Constants.WorldHeight; y += CrimeRateMap.BlockSize)
{
int z = LandValueMap.WorldGet(x, y);
if (z > 0)
{
++numz;
z = 128 - z;
z += PopulationDensityMap.WorldGet(x, y);
z = Math.Min(z, 300);
z -= PoliceStationMap.WorldGet(x, y);
z = Utilities.Restrict(z, 0, 250);
CrimeRateMap.WorldSet(x, y, (Byte)z);
totz += z;
// Update new crime hot-spot
if (z > cmax || (z == cmax && (GetRandom16() & 3) == 0))
{
cmax = z;
CrimeMaxX = (short)x;
CrimeMaxY = (short)y;
}
}
else
{
CrimeRateMap.WorldSet(x, y, 0);
}
}
}
if (numz > 0)
{
CrimeAverage = (short)(totz / numz);
}
else
{
CrimeAverage = 0;
}
PoliceStationEffectMap = PoliceStationMap;
NewMapFlags[(int)MapType.Crime] = 1;
NewMapFlags[(int)MapType.PoliceRadius] = 1;
NewMapFlags[(int)MapType.Dynamic] = 1;
}
/// <summary>
/// Perform residential immigration into the current residential tile.
/// </summary>
/// <param name="pos">Position of the tile.</param>
/// <param name="pop">Population ?</param>
/// <param name="value">Land value corrected for pollution.</param>
public void DoResIn(Position pos, int pop, int value)
{
short pollution = PollutionDensityMap.WorldGet(pos.X, pos.Y);
if (pollution > 128)
{
return;
}
ushort tile = (ushort)(Map[pos.X, pos.Y] & (ushort)MapTileBits.LowMask);
if (tile == (ushort)MapTileCharacters.FREEZ)
{
if (pop < 8)
{
BuildHouse(pos, value);
IncRateOfGrowth(pos, 1);
return;
}
if (PopulationDensityMap.WorldGet(pos.X, pos.Y) > 64)
{
ResPlop(pos, 0, value);
IncRateOfGrowth(pos, 8);
return;
}
return;
}
if (pop < 40)
{
ResPlop(pos, (pop / 8) - 1, value);
IncRateOfGrowth(pos, 8);
}
}