private bool NewZonePlacementCallback(bool cancelled, Point location, object arg)
{
NewZoneData zoneData = (NewZoneData)arg;
if (!cancelled)
{
// Check to see if the new zone overlaps any existing tiles
for (int z = 0; z < zoneData.TilesHeight; z++)
{
int dz = z + gridOffset.z + location.Y;
for (int x = 0; x < zoneData.TilesWidth; x++)
{
int dx = x + gridOffset.x + location.X;
CoordXZ tileCoord = new CoordXZ(dx, dz, WorldMap.tileSize);
MapTile tile = worldMap.GetTile(tileCoord);
if (tile != null)
{
// overlaps existing tiles
return(false);
}
}
}
MapZone zone = worldMap.CreateZone(zoneData.ZoneName);
int samplesPerTile = WorldMap.metersPerTile / zoneData.MetersPerSample;
ValueMapLayer heightFieldLayer = worldMap.HeightFieldLayer as ValueMapLayer;
for (int z = 0; z < zoneData.TilesHeight; z++)
{
int dz = z + gridOffset.z + location.Y;
for (int x = 0; x < zoneData.TilesWidth; x++)
{
int dx = x + gridOffset.x + location.X;
CoordXZ tileCoord = new CoordXZ(dx, dz, WorldMap.tileSize);
MapBuffer tileHeightmap = heightFieldLayer.CreateCompatibleMapBuffer(zoneData.Heightmap, zoneData.MetersPerSample,
x * samplesPerTile, z * samplesPerTile, samplesPerTile, zoneData.MinHeight, zoneData.MaxHeight);
MapTile tile = worldMap.CreateTile(tileCoord);
tile.Zone = zone;
if (tileHeightmap.MetersPerSample != heightFieldLayer.MetersPerSample)
{
tileHeightmap = tileHeightmap.Scale(worldMap.MetersPerTile / heightFieldLayer.MetersPerSample);
}
heightFieldLayer.CopyIn(tileCoord, tileHeightmap);
ImageGridCell cell = imageGrid.CreateCell(x + location.X, z + location.Y);
cell.Image = currentViewLayer.CreateThumbnail(tileCoord, worldMap.TileSize, imageGrid.CellSize);
}
}
AddZone(zone);
}
return(true);
}