public MapHolder(MapHolder mapHolder)
{
sizeY = mapHolder.sizeY;
sizeX = mapHolder.sizeX;
x = mapHolder.x;
y = mapHolder.y;
map = cpMap(sizeX, sizeY,mapHolder.map);
}
public MapHolder getRequestedMapView(int topX, int topY, int sizeX, int sizeY)
{
//TODO: Throw exception
if (topX < 0 || topY < 0 || sizeX < 0 || sizeY < 0)
{
throw new Exception("Values cannot be < 0");
}
if (currentMap != null && topX >= currentMap.X && topY >= currentMap.Y
&& (topX + sizeX) <= (currentMap.X + currentMap.SizeX)
&& (topY + sizeY) <= (currentMap.Y + currentMap.SizeY))
{
//This is part of current map
int[,] map = new int[sizeX, sizeY];
int dispX = topX - currentMap.X;
int dispY = topY - currentMap.Y;
for (int i = 0; i<sizeX; i++){
for (int j = 0; j<sizeY; j++){
map[i,j] = currentMap.Map[i+dispX,j+dispY];
}
}
return new MapHolder(sizeX,sizeY,map,topX,topY);
}
else
{
if (parent != null)
{
//TODO: sync
parent.pushMapUpdate(currentMap);
currentMap = parent.getRequestedMapView(topX, topY, sizeX, sizeY);
initializeDirtyStatistics(currentMap);
return new MapHolder(currentMap);
}
else
{
throw new Exception("No such map");
}
}
}
public void initializeMap(int sizeX, int sizeY)
{
int[,] map = prepareArray(sizeX, sizeY, UNKNOWN_MAP_STATE);
currentMap = new MapHolder(sizeX, sizeY, map, 0, 0);
initializeDirtyStatistics(currentMap);
}
private void initializeDirtyStatistics(MapHolder newMapHolder)
{
mapSize = newMapHolder.SizeX * newMapHolder.SizeY;
mapDirtyCount = 0;
dirtyState = prepareArray(newMapHolder.SizeX, newMapHolder.SizeY, 0);
}
public void pushMapUpdate(MapHolder update)
{
updateQueue.Enqueue(update);
}