public byte[] GetMergeMask(NoiseAreaType[] areaTypes, NoiseAreaType neighborTypeToBaseMaskOn)
{
// Create the pattern for the neighbor type
pattern = GetPattern(areaTypes, neighborTypeToBaseMaskOn);
if (pattern == EmptyPattern)
{
return null;
}
// Return the mask that matches the pattern
return masks[patterns[pattern]];
}
private string GetPattern(NoiseAreaType[] areaTypes, NoiseAreaType neighborTypeToBaseMaskOn)
{
// Clear the neighbor map to a default state
neighborMap[0] = '0';
neighborMap[1] = '0';
neighborMap[2] = '0';
neighborMap[3] = '0';
neighborMap[4] = '-';
neighborMap[5] = '0';
neighborMap[6] = '0';
neighborMap[7] = '0';
neighborMap[8] = '0';
// Sides: Left, Top, Right, Bottom
if (areaTypes[3] == neighborTypeToBaseMaskOn) neighborMap[0] = '1';
if (areaTypes[1] == neighborTypeToBaseMaskOn) neighborMap[1] = '1';
if (areaTypes[5] == neighborTypeToBaseMaskOn) neighborMap[2] = '1';
if (areaTypes[7] == neighborTypeToBaseMaskOn) neighborMap[3] = '1';
// Corners: Top Left, Top Right, Bottom Right, Bottom Left
if (areaTypes[0] == neighborTypeToBaseMaskOn) neighborMap[5] = '1';
if (areaTypes[2] == neighborTypeToBaseMaskOn) neighborMap[6] = '1';
if (areaTypes[8] == neighborTypeToBaseMaskOn) neighborMap[7] = '1';
if (areaTypes[6] == neighborTypeToBaseMaskOn) neighborMap[8] = '1';
// Return the pattern as a string
return new string(neighborMap);
}
public AreaThemeHandler(NoiseManager noiseManager)
{
this.noiseManager = noiseManager;
AreaTypes = new NoiseAreaType[9];
}
