protected LocRay4?PlaceRoom(T map, List <LocRay4> rays, EffectTile sealingTile, List <Loc> freeTiles)
{
Grid.LocTest checkBlockForPlace = (Loc testLoc) =>
{
if (!Collision.InBounds(map.Width, map.Height, testLoc))
{
return(false);
}
return(!map.Tiles[testLoc.X][testLoc.Y].TileEquivalent(map.RoomTerrain) && !map.Tiles[testLoc.X][testLoc.Y].TileEquivalent(map.UnbreakableTerrain));
};
//try X times to dig a passage
for (int ii = 0; ii < 500 && rays.Count > 0; ii++)
{
int rayIndex = map.Rand.Next(rays.Count);
LocRay4 ray = rays[rayIndex];
rays.RemoveAt(rayIndex);
Loc rayDirLoc = ray.Dir.GetLoc();
Axis4 axis = ray.Dir.ToAxis();
Axis4 orth = axis == Axis4.Horiz ? Axis4.Vert : Axis4.Horiz;
int minLength = Math.Max(1, HallLength.Min);
Rect hallBound = new Rect(ray.Loc + DirExt.AddAngles(ray.Dir, Dir4.Left).GetLoc(), new Loc(1));
hallBound = Rect.IncludeLoc(hallBound, ray.Loc + rayDirLoc * (minLength - 1) + DirExt.AddAngles(ray.Dir, Dir4.Right).GetLoc());
//make sure the MIN hall can tunnel unimpeded
if (!CanPlaceRect(map, hallBound, checkBlockForPlace))
{
continue;
}
for (int jj = 0; jj < 100; jj++)
{
//plan the room
RoomGen <T> plan = GenericRooms.Pick(map.Rand).Copy();
Loc size = plan.ProposeSize(map.Rand);
plan.PrepareSize(map.Rand, size);
//attempt to place the bounds somewhere, anywhere, within the limitations that the room itself provides
List <int> candidateOpenings = new List <int>();
int planLength = plan.GetBorderLength(ray.Dir.Reverse());
for (int kk = 0; kk < planLength; kk++)
{
if (plan.GetFulfillableBorder(ray.Dir.Reverse(), kk))
{
candidateOpenings.Add(kk);
}
}
//as well as continue extending the hall until we hit a walkable.
int tunnelLen = Math.Max(1, HallLength.Pick(map.Rand));
Loc roomLoc = ray.Loc + rayDirLoc * tunnelLen;
int perpOffset = candidateOpenings[map.Rand.Next(candidateOpenings.Count)];
roomLoc += orth.CreateLoc(-perpOffset, 0);
if (rayDirLoc.GetScalar(axis) < 0)//move back the top-left of the entrance
{
roomLoc += rayDirLoc * (size.GetScalar(axis) - 1);
}
Rect roomTestBound = new Rect(roomLoc, size);
roomTestBound.Inflate(1, 1);
//make a rect for the rest of the hall
Rect hallExtBound = new Rect(ray.Loc + rayDirLoc * minLength + DirExt.AddAngles(ray.Dir, Dir4.Left).GetLoc(), new Loc(1));
hallExtBound = Rect.IncludeLoc(hallBound, ray.Loc + rayDirLoc * (tunnelLen - 1) + DirExt.AddAngles(ray.Dir, Dir4.Right).GetLoc());
//now that we've chosen our position, let's test it
if (!CanPlaceRect(map, roomTestBound, checkBlockForPlace) || !CanPlaceRect(map, hallExtBound, checkBlockForPlace)) // also test that the CHOSEN hallway can be properly sealed
{
continue; //invalid location, try another place
}
else
{
plan.SetLoc(roomLoc);
plan.ReceiveBorderRange(new IntRange(perpOffset, perpOffset + 1) + roomLoc.GetScalar(orth), ray.Dir.Reverse());
//draw the room
plan.DrawOnMap(map);
//surround the room with bounds
for (int xx = roomTestBound.X; xx < roomTestBound.Right; xx++)
{
map.Tiles[xx][roomTestBound.Y] = (Tile)map.UnbreakableTerrain.Copy();
map.Tiles[xx][roomTestBound.End.Y - 1] = (Tile)map.UnbreakableTerrain.Copy();
}
for (int yy = roomTestBound.Y + 1; yy < roomTestBound.Bottom - 1; yy++)
{
map.Tiles[roomTestBound.X][yy] = (Tile)map.UnbreakableTerrain.Copy();
map.Tiles[roomTestBound.End.X - 1][yy] = (Tile)map.UnbreakableTerrain.Copy();
}
//spawn tiles, items, foes
List <Loc> addedTiles = ((IPlaceableGenContext <MapItem>)map).GetFreeTiles(plan.Draw);
freeTiles.AddRange(addedTiles);
//tunnel to the room
Loc loc = ray.Loc;
for (int tt = 0; tt < tunnelLen; tt++)
{
//make walkable
map.Tiles[loc.X][loc.Y] = (Tile)map.RoomTerrain.Copy();
//make left side unbreakable
Loc lLoc = loc + DirExt.AddAngles(ray.Dir, Dir4.Left).GetLoc();
map.Tiles[lLoc.X][lLoc.Y] = (Tile)map.UnbreakableTerrain.Copy();
//make right side unbreakable
Loc rLoc = loc + DirExt.AddAngles(ray.Dir, Dir4.Right).GetLoc();
map.Tiles[rLoc.X][rLoc.Y] = (Tile)map.UnbreakableTerrain.Copy();
loc += rayDirLoc;
}
//finally, seal with a locked door
map.Tiles[ray.Loc.X][ray.Loc.Y] = (Tile)map.UnbreakableTerrain.Copy();
EffectTile newEffect = new EffectTile(sealingTile, ray.Loc);
((IPlaceableGenContext <EffectTile>)map).PlaceItem(ray.Loc, newEffect);
return(ray);
}
}
}
//DiagManager.Instance.LogInfo("Couldn't place sealed detour!");
return(null);
}