public void Add( ushort id, Adjacent item )
{
if ( table[id] == null ) {
table[id] = new Adjacent[1] { item };
}
else {
Adjacent[] newtable = new Adjacent[table[id].Length+1];
table[id].CopyTo( newtable, 0 );
newtable[table[id].Length] = item;
table[id] = newtable;
}
}
public Adjacent[] this[int id]
{
get {
if ( id < 0 || id > Province.Count ) throw new ArgumentOutOfRangeException();
return table[id];
}
set {
if ( id < 0 || id > Province.Count ) throw new ArgumentOutOfRangeException();
table[id] = new Adjacent[value.Length];
value.CopyTo( table[id], 0 );
}
}
public void ReadFrom( BinaryReader reader )
{
// Read offsets first
int[] offsets = new int[Province.MaxValue+1];
int realcount = Province.MaxValue+1;
Adjacent first = null;
for ( int i=0; i<=Province.MaxValue; ++i ) {
offsets[i] = reader.ReadInt32();
if ( (uint)offsets[i] == 0xCDCDCDCD ) {
// No longer reading offsets... Stop!
first = new Adjacent( (ushort)offsets[i-2], (AdjacencyType)offsets[i-1] );
offsets[i] = offsets[i-1] = offsets[i-2] = 0;
realcount = i-2;
break;
}
}
// Read adjacency lists for each province
for ( int i=0; i<realcount-1; ++i ) {
int length = offsets[i+1]-offsets[i];
int a0 = 0;
table[i] = new Adjacent[length];
if ( first != null && length > 0 ) {
table[i][0] = first;
first = null;
a0 = 1;
}
for ( int a=a0; a<length; ++a ) {
table[i][a] = new Adjacent( reader );
}
}
}
public ushort[] Merge( AdjacencyTable other )
{
int[] tagged = new int[Province.InternalCount];
for ( int fromId=1; fromId<other.table.Length; ++fromId ) {
if ( other.table[fromId] == null || other.table[fromId].Length == 0 ) continue;
++tagged[fromId];
table[fromId] = new Adjacent[other.table[fromId].Length];
other.table[fromId].CopyTo( table[fromId], 0 );
for ( int t=0; t<table[fromId].Length; ++t )
++tagged[table[fromId][t].ID];
}
// Count affected ids
int count = 0;
for ( ushort i=0; i<tagged.Length; ++i ) {
if ( tagged[i] > 0 ) count++;
}
ushort[] affected = new ushort[count];
count = 0;
for ( ushort i=0; i<tagged.Length; ++i ) {
if ( tagged[i] > 0 ) affected[count++] = i;
}
return affected;
}