public static IDGrid Build( IDMap idmap )
{
IDGrid result = new IDGrid();
for ( int y=0; y<result.height; ++y ) {
for ( int x=0; x<result.width; ++x ) {
result.BuildRegion( x, y, idmap );
}
}
return result;
}
public static bool CheckAreaForOverflow( IDMap idmap, Rectangle area, out Rectangle errorArea )
{
int l, r, t, b;
l = (int)Math.Floor((double)(area.Left / RegionWidth));
t = (int)Math.Floor((double)(area.Top / RegionWidth));
r = (int)Math.Ceiling((double)(area.Right / RegionWidth));
b = (int)Math.Ceiling((double)(area.Bottom / RegionWidth));
IDGrid result = new IDGrid();
try {
for ( int y=t; y<b; ++y ) {
for ( int x=l; x<r; ++x ) {
result.BuildRegion( x, y, idmap );
}
}
errorArea = Rectangle.Empty;
return true;
}
catch ( RegionSizeOverflowException e ) {
errorArea = e.Region;
return false;
}
}
public static IncognitaGrid Build( IDMap idmap, ProvinceList provinces, IDGrid idgrid )
{
IncognitaGrid result = new IncognitaGrid();
double scansize = (double)(Lightmap.BlockSize << 1);
double scanfactor = 256.0 / Math.Sqrt( (scansize/2.0) * (scansize/2.0) );
Random rnd = new Random();
int halfscan = (int)(scansize/2);
for( int y=0; y<Lightmap.BaseHeight; y+=Lightmap.BlockSize ) {
for( int x=0; x<Lightmap.BaseWidth; x+=Lightmap.BlockSize ) {
ushort[] list = idmap.GetIDs( x-halfscan, y-halfscan, (int)scansize, (int)scansize, GetIDOptions.SkipTI | GetIDOptions.SkipRivers, provinces );
if ( list.Length > 1 ) {
double[] distances;
ushort[] idlist;
int weight;
idmap.FindNearest( x, y, (int)scansize, 4, provinces, out idlist, out distances );
for ( int i=0; i<4; ++i ) {
if ( idlist[i] > Province.MaxID ) idlist[i] = Province.TerraIncognitaID;
weight = (int)(distances[i]*scanfactor);
weight = weight - 15 + (rnd.Next(0x7fff) & 31);
if ( weight < 0 ) weight = 0;
else if ( weight > 255 ) weight = 255;
result.grid[x >> Lightmap.BlockFactor,y >> Lightmap.BlockFactor].data[i].id = idgrid.MapID( x, y, idlist[i] );
result.grid[x >> Lightmap.BlockFactor,y >> Lightmap.BlockFactor].data[i].weight = (byte)weight;
}
}
else {
ushort id = Province.TerraIncognitaID;
if ( list.Length > 0 ) {
id = list[0];
if ( id > Province.MaxID ) id = Province.TerraIncognitaID;
}
result.grid[x >> Lightmap.BlockFactor, y >> Lightmap.BlockFactor].data[0].id = idgrid.MapID( x, y, id );
result.grid[x >> Lightmap.BlockFactor, y >> Lightmap.BlockFactor].data[0].weight = 0;
result.grid[x >> Lightmap.BlockFactor, y >> Lightmap.BlockFactor].data[1].id = 0;
result.grid[x >> Lightmap.BlockFactor, y >> Lightmap.BlockFactor].data[1].weight = 255;
result.grid[x >> Lightmap.BlockFactor, y >> Lightmap.BlockFactor].data[2].id = 0;
result.grid[x >> Lightmap.BlockFactor, y >> Lightmap.BlockFactor].data[2].weight = 255;
result.grid[x >> Lightmap.BlockFactor, y >> Lightmap.BlockFactor].data[3].id = 0;
result.grid[x >> Lightmap.BlockFactor, y >> Lightmap.BlockFactor].data[3].weight = 255;
}
}
}
return result;
}
