public void AlterRooms(int no_change_freq,int add_pillars_freq,int cross_room_freq,int cave_widen_freq,int cave_fill_freq)
{
List<int> modification = new List<int>();
for(int i=0;i<no_change_freq;++i){
modification.Add(0);
}
for(int i=0;i<add_pillars_freq;++i){
modification.Add(1);
}
for(int i=0;i<cross_room_freq;++i){
modification.Add(2);
}
for(int i=0;i<cave_widen_freq;++i){
modification.Add(3);
}
for(int i=0;i<cave_fill_freq;++i){
modification.Add(4);
}
if(modification.Count == 0){
return;
}
ForEachRectangularRoom((start_r,start_c,end_r,end_c) => {
int mod = modification.Random();
switch(mod){
case 0:
return true;
case 1:
{
int height = end_r - start_r + 1;
int width = end_c - start_c + 1;
if(height > 3 || width > 3){
List<PillarArrangement> layouts = new List<PillarArrangement>();
if(height % 2 == 1 && width % 2 == 1){
layouts.Add(PillarArrangement.Single);
}
if((height % 2 == 1 || width % 2 == 1) && height != 4 && width != 4){
layouts.Add(PillarArrangement.Row);
}
if(height >= 5 && width >= 5){
layouts.Add(PillarArrangement.Corners);
}
if(height > 2 && width > 2 && height != 4 && width != 4){
layouts.Add(PillarArrangement.Full);
}
if((width % 2 == 1 && width >= 5) || (height % 2 == 1 && height >= 5)){
layouts.Add(PillarArrangement.StatueEdges);
}
if(layouts.Count == 0 || CoinFlip()){ //otherwise they're too common
layouts.Add(PillarArrangement.StatueCorners);
}
if(layouts.Count > 0){
CellType pillar = CellType.Pillar;
switch(layouts.Random()){
case PillarArrangement.Single:
map[(start_r + end_r)/2,(start_c + end_c)/2] = pillar;
break;
case PillarArrangement.Row:
{
bool vertical;
if(width % 2 == 1 && height % 2 == 0){
vertical = true;
}
else{
if(height % 2 == 1 && width % 2 == 0){
vertical = false;
}
else{
vertical = CoinFlip();
}
}
if(vertical){
if(height % 2 == 1){
for(int i=start_r+1;i<=end_r-1;i+=2){
map[i,(start_c + end_c)/2] = pillar;
}
}
else{
int offset = 0;
if(height % 4 == 0){
offset = Roll(2) - 1;
}
for(int i=start_r+1+offset;i<(start_r + end_r)/2;i+=2){
map[i,(start_c + end_c)/2] = pillar;
}
for(int i=end_r-1-offset;i>(start_r + end_r)/2+1;i-=2){
map[i,(start_c + end_c)/2] = pillar;
}
}
}
else{
if(width % 2 == 1){
for(int i=start_c+1;i<=end_c-1;i+=2){
map[(start_r + end_r)/2,i] = pillar;
}
}
else{
int offset = 0;
if(width % 4 == 0){
offset = Roll(2) - 1;
}
for(int i=start_c+1+offset;i<(start_c + end_c)/2;i+=2){
map[(start_r + end_r)/2,i] = pillar;
}
for(int i=end_c-1-offset;i>(start_c + end_c)/2+1;i-=2){
map[(start_r + end_r)/2,i] = pillar;
}
}
}
break;
}
case PillarArrangement.Corners:
{
int v_offset = 0;
int h_offset = 0;
if(height % 4 == 0){
v_offset = Roll(2) - 1;
}
if(width % 4 == 0){
h_offset = Roll(2) - 1;
}
map[start_r + 1 + v_offset,start_c + 1 + h_offset] = pillar;
map[start_r + 1 + v_offset,end_c - 1 - h_offset] = pillar;
map[end_r - 1 - v_offset,start_c + 1 + h_offset] = pillar;
map[end_r - 1 - v_offset,end_c - 1 - h_offset] = pillar;
break;
}
case PillarArrangement.Full:
{
int v_offset = 0;
int h_offset = 0;
if(height % 4 == 0){
v_offset = Roll(2) - 1;
}
if(width % 4 == 0){
h_offset = Roll(2) - 1;
}
int half_r = (start_r + end_r)/2;
int half_c = (start_c + end_c)/2;
int half_r_offset = (start_r + end_r + 1)/2;
int half_c_offset = (start_c + end_c + 1)/2;
for(int i=start_r+1+v_offset;i<half_r;i+=2){
for(int j=start_c+1+h_offset;j<half_c;j+=2){
map[i,j] = pillar;
}
}
for(int i=start_r+1+v_offset;i<half_r;i+=2){
for(int j=end_c-1-h_offset;j>half_c_offset;j-=2){
map[i,j] = pillar;
}
}
for(int i=end_r-1-v_offset;i>half_r_offset;i-=2){
for(int j=start_c+1+h_offset;j<half_c;j+=2){
map[i,j] = pillar;
}
}
for(int i=end_r-1-v_offset;i>half_r_offset;i-=2){
for(int j=end_c-1-h_offset;j>half_c_offset;j-=2){
map[i,j] = pillar;
}
}
if((width+1) % 4 == 0){
if(height % 2 == 1){
for(int i=start_r+1;i<=end_r-1;i+=2){
map[i,half_c] = pillar;
}
}
else{
int offset = 0;
if(height % 4 == 0){
offset = Roll(2) - 1;
}
for(int i=start_r+1+offset;i<half_r;i+=2){
map[i,half_c] = pillar;
}
for(int i=end_r-1-offset;i>half_r_offset;i-=2){
map[i,half_c] = pillar;
}
}
}
if((height+1) % 4 == 0){
if(width % 2 == 1){
for(int i=start_c+1;i<=end_c-1;i+=2){
map[half_r,i] = pillar;
}
}
else{
int offset = 0;
if(width % 4 == 0){
offset = Roll(2) - 1;
}
for(int i=start_c+1+offset;i<half_c;i+=2){
map[half_r,i] = pillar;
}
for(int i=end_c-1-offset;i>half_c_offset;i-=2){
map[half_r,i] = pillar;
}
}
}
break;
}
case PillarArrangement.StatueCorners:
map[start_r,start_c] = CellType.Statue;
map[start_r,end_c] = CellType.Statue;
map[end_r,start_c] = CellType.Statue;
map[end_r,end_c] = CellType.Statue;
break;
case PillarArrangement.StatueEdges:
{
map[start_r,start_c] = CellType.Statue;
map[start_r,end_c] = CellType.Statue;
map[end_r,start_c] = CellType.Statue;
map[end_r,end_c] = CellType.Statue;
if(width % 2 == 1 && width > 3){
int half_c = (start_c + end_c)/2;
int corridors = new pos(start_r,half_c).CardinalAdjacentPositions().Where(x => BoundsCheck(x) && map[x].IsCorridorType()).Count;
if(corridors == 0){
map[start_r,half_c] = CellType.Statue;
}
corridors = new pos(end_r,half_c).CardinalAdjacentPositions().Where(x => BoundsCheck(x) && map[x].IsCorridorType()).Count;
if(corridors == 0){
map[end_r,half_c] = CellType.Statue;
}
}
if(height % 2 == 1 && height > 3){
int half_r = (start_r + end_r)/2;
int corridors = new pos(half_r,start_c).CardinalAdjacentPositions().Where(x => BoundsCheck(x) && map[x].IsCorridorType()).Count;
if(corridors == 0){
map[half_r,start_c] = CellType.Statue;
}
corridors = new pos(half_r,end_c).CardinalAdjacentPositions().Where(x => BoundsCheck(x) && map[x].IsCorridorType()).Count;
if(corridors == 0){
map[half_r,end_c] = CellType.Statue;
}
}
break;
}
default:
break;
}
}
}
return true;
}
case 2:
{
int height = end_r - start_r + 1;
int width = end_c - start_c + 1;
if(height < 4 || width < 4){ //nothing happens until we get above 4x4
return true;
}
int rows_to_convert = Roll((height/2)-1);
int cols_to_convert = Roll((width/2)-1);
if(rows_to_convert == 1 && cols_to_convert == 1){
return true;
}
List<pos> blocked = new List<pos>();
for(int i=start_r;i<=end_r;++i){
for(int j=start_c;j<=end_c;++j){
if((i < start_r + rows_to_convert || i > end_r - rows_to_convert) && (j < start_c + cols_to_convert || j > end_c - cols_to_convert)){
pos p = new pos(i,j);
foreach(pos neighbor in p.CardinalAdjacentPositions()){
if(map[neighbor].IsCorridorType()){
blocked.Add(p);
}
}
map[i,j] = CellType.Wall;
}
}
}
blocked.Randomize();
foreach(pos p in blocked){
bool done = false;
foreach(pos neighbor in p.CardinalAdjacentPositions()){
if(map[neighbor].IsRoomType()){
map[p] = CellType.RoomInterior;
done = true;
break;
}
}
if(!done){
List<int> valid_dirs = new List<int>();
foreach(int dir in U.FourDirections){
pos next = p.PosInDir(dir);
while(next.row >= start_r && next.row <= end_r && next.col >= start_c && next.col <= end_c){
if(next.CardinalAdjacentPositions().Any(x=>map[x].IsRoomType())){
valid_dirs.Add(dir);
break;
}
next = next.PosInDir(dir);
}
}
int valid_dir = valid_dirs.RandomOrDefault();
pos next2 = p.PosInDir(valid_dir);
List<pos> new_corridor = new List<pos>{p};
while(true){
new_corridor.Add(next2);
if(next2.CardinalAdjacentPositions().Any(x=>map[x].IsRoomType())){
break;
}
next2 = next2.PosInDir(valid_dir);
}
foreach(pos p2 in new_corridor){
map[p2] = CellType.RoomInterior;
}
}
}
return true;
}
case 3:
{
List<pos> list = map.PositionsWhere(x=>x.row >= start_r && x.row <= end_r && x.col >= start_c && x.col <= end_c);
PosArray<CellType> old_map = new PosArray<CellType>(H,W);
foreach(pos p in list){
old_map[p] = map[p];
map[p] = CellType.Wall;
}
PosArray<bool> rock = new PosArray<bool>(H,W);
for(int i=0;i<H;++i){
for(int j=0;j<W;++j){
pos p = new pos(i,j);
rock[p] = true;
if(BoundsCheck(i,j,false)){
foreach(pos neighbor in p.AdjacentPositionsClockwise()){
if(map[neighbor] != CellType.Wall){
rock[p] = false;
break;
}
}
}
}
}
foreach(pos p in list){
map[p] = CellType.RoomInterior; //todo: might this step be extraneous?
}
List<pos> frontier = new List<pos>();
{
PosArray<bool> in_list = new PosArray<bool>(H,W);
foreach(pos p in list){
in_list[p] = true;
}
for(int i=0;i<H;++i){
for(int j=0;j<W;++j){
pos p = new pos(i,j);
if(in_list[p]){
foreach(pos neighbor in p.PositionsAtDistance(1,in_list)){
if(!in_list[neighbor]){
frontier.Add(p);
break;
}
}
}
}
}
}
int fail_counter = 0;
int num_added = 0;
bool finished = false;
while(!finished){
if(frontier.Count == 0 || num_added >= 30){ //todo check this value
finished = true;
break;
}
pos f = frontier.RemoveRandom();
foreach(pos neighbor in f.CardinalAdjacentPositions()){
if(!BoundsCheck(neighbor,false) || !rock[neighbor.row,neighbor.col]){
++fail_counter; //this might now be unreachable
if(!BoundsCheck(neighbor,false)){
fail_counter += 25; //fail quicker when against the edge of the map to prevent ugliness
} //however, this doesn't actually fail as quickly as it should - i've overlooked something.
if(fail_counter >= 50){
finished = true;
break;
}
}
else{
if(map[neighbor] != CellType.RoomInterior){
map[neighbor] = CellType.RoomInterior;
++num_added;
bool add_neighbor = true;
foreach(pos n2 in neighbor.CardinalAdjacentPositions()){
if(!BoundsCheck(n2,false) || !rock[n2.row,n2.col]){
add_neighbor = false;
++fail_counter; //this might now be unreachable
if(!BoundsCheck(neighbor,false)){
fail_counter += 25; //fail quicker when against the edge of the map to prevent ugliness
} //however, this doesn't actually fail as quickly as it should - i've overlooked something.
if(fail_counter >= 50){
finished = true;
}
break;
}
}
if(finished){
break;
}
if(add_neighbor){
frontier.Add(neighbor);
}
}
}
}
}
foreach(pos p in list){
map[p] = old_map[p];
}
return true;
}
case 4:
{
List<pos> list = map.PositionsWhere(x=>x.row >= start_r && x.row <= end_r && x.col >= start_c && x.col <= end_c);
Dungeon room = new Dungeon((end_r - start_r) + 3,(end_c - start_c) + 3); //includes borders
List<pos> map_exits = list.Where(x=>x.CardinalAdjacentPositions().Any(y=>map[y].IsCorridorType())); //grab the positions from list that have any adjacent corridor-type cells
if(map_exits.Count < 2){
return true;
}
List<pos> room_exits = new List<pos>();
foreach(pos exit in map_exits){
room_exits.Add(new pos(exit.row-start_r+1,exit.col-start_c+1));
}
int tries = 0;
while(true){
room.FillWithRandomWalls(25);
room.ApplyCellularAutomataXYRule(3);
room.ConnectDiagonals();
room.RemoveDeadEndCorridors();
room.RemoveUnconnectedAreas();
bool exits_open = true;
foreach(pos p in room_exits){
if(!room[p].IsPassable()){
exits_open = false;
}
}
if(exits_open){
for(int i=start_r;i<=end_r;++i){
for(int j=start_c;j<=end_c;++j){
if(list.Contains(new pos(i,j))){
map[i,j] = room[(i-start_r)+1,(j-start_c)+1];
}
}
}
break;
}
++tries;
if(tries > 50){
return false;
}
}
return true;
}
default:
break;
}
return true;
});
}
public bool MakeRoomsCavelike(int percent_chance_per_room,bool ignore_rooms_with_single_exit)
{
//this isn't guaranteed to succeed, so you might need to check the return value
return ForEachRoom(list => {
if(PercentChance(percent_chance_per_room)){
int start_r = list.WhereLeast(x=>x.row)[0].row;
int end_r = list.WhereGreatest(x=>x.row)[0].row;
int start_c = list.WhereLeast(x=>x.col)[0].col;
int end_c = list.WhereGreatest(x=>x.col)[0].col;
Dungeon room = new Dungeon((end_r - start_r) + 3,(end_c - start_c) + 3); //includes borders
List<pos> map_exits = list.Where(x=>x.CardinalAdjacentPositions().Any(y=>map[y].IsCorridorType())); //grab the positions from list that have any adjacent corridor-type cells
if(map_exits.Count < 2 && ignore_rooms_with_single_exit){
return true;
}
List<pos> room_exits = new List<pos>();
foreach(pos exit in map_exits){
room_exits.Add(new pos(exit.row-start_r+1,exit.col-start_c+1));
}
int tries = 0;
while(true){
room.FillWithRandomWalls(25);
room.ApplyCellularAutomataXYRule(3);
room.ConnectDiagonals();
room.RemoveDeadEndCorridors();
room.RemoveUnconnectedAreas();
bool exits_open = true;
foreach(pos p in room_exits){
if(!room[p].IsPassable()){
exits_open = false;
}
}
if(exits_open){
for(int i=start_r;i<=end_r;++i){
for(int j=start_c;j<=end_c;++j){
if(list.Contains(new pos(i,j))){
map[i,j] = room[(i-start_r)+1,(j-start_c)+1];
}
}
}
break;
}
++tries;
if(tries > 50){
return false;
}
}
}
return true;
});
}
public bool AddRockFormations(int percent_chance_per_room,int minimum_distance_from_wall)
{
return ForEachRoom(list => {
if(PercentChance(percent_chance_per_room)){
int start_r = list.WhereLeast(x=>x.row)[0].row;
int end_r = list.WhereGreatest(x=>x.row)[0].row;
int start_c = list.WhereLeast(x=>x.col)[0].col;
int end_c = list.WhereGreatest(x=>x.col)[0].col;
Dungeon room = new Dungeon((end_r - start_r) + 3,(end_c - start_c) + 3); //includes borders
while(true){
room.FillWithRandomWalls(25);
room.ApplyCellularAutomataXYRule(3);
for(int i=start_r;i<=end_r;++i){
for(int j=start_c;j<=end_c;++j){
pos p = new pos(i,j);
if(!p.PositionsWithinDistance(minimum_distance_from_wall-1,room.map).All(x=>list.Contains(x))){ //todo: I probably broke this.
room[i-start_r+1,j-start_c+1] = CellType.RoomInterior;
}
}
}
room.ConnectDiagonals();
room.RemoveDeadEndCorridors();
room.RemoveUnconnectedAreas();
for(int i=start_r;i<=end_r;++i){
for(int j=start_c;j<=end_c;++j){
if(list.Contains(new pos(i,j))){
map[i,j] = room[(i-start_r)+1,(j-start_c)+1];
}
}
}
break;
}
}
return true;
});
}
public PosArray<CellType> GenerateMap(LevelType type)
{
PosArray<CellType> result = new PosArray<CellType>(ROWS,COLS);
Dungeon d = new Dungeon(ROWS,COLS);
switch(type){
case LevelType.Standard:
while(true){
d.CreateBasicMap();
d.ConnectDiagonals();
d.RemoveUnconnectedAreas();
d.RemoveDeadEndCorridors();
d.AddDoors(25);
d.AlterRooms(5,2,2,1,0);
d.MarkInterestingLocations();
d.RemoveUnconnectedAreas();
if(d.NumberOfFloors() < 320 || d.HasLargeUnusedSpaces(300)){
d.Clear();
}
else{
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
result[i,j] = d.map[i,j];
}
}
return result;
}
}
case LevelType.Cave:
{
int roll = R.Roll(2);
if(R.OneIn(20)){
roll = 3;
}
switch(roll){ //three different algorithms
case 1:
{
while(true){
d.FillWithRandomWalls(25);
d.ApplyCellularAutomataXYRule(3);
d.ConnectDiagonals();
d.ImproveMapEdges(5);
d.RemoveDeadEndCorridors();
d.RemoveUnconnectedAreas();
d.MarkInterestingLocationsNonRectangular();
if(d.NumberOfFloors() < 320 || d.HasLargeUnusedSpaces(300)){
d.Clear();
}
else{
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
result[i,j] = d.map[i,j];
}
}
return result;
}
}
}
case 2:
{
while(true){
d.CreateTwistyCave(true,40);
U.DefaultMetric = DistanceMetric.Manhattan;
var dijk = d.map.GetDijkstraMap(x=>!d.map[x].IsWall(),x=>false);
for(int i=1;i<ROWS-1;++i){
for(int j=1;j<COLS-1;++j){
U.DefaultMetric = DistanceMetric.Manhattan;
if(dijk[i,j] == 1){
pos p = new pos(i,j);
List<pos> floors = null;
foreach(int dir in U.FourDirections){
pos n = p.PosInDir(dir);
if(dijk[n] == 1){
if(floors == null){
floors = p.PositionsAtDistance(1,dijk).Where(x=>dijk[x] == 0);
}
List<pos> floors2 = new List<pos>();
foreach(pos n2 in n.PositionsAtDistance(1,dijk)){
if(dijk[n2] == 0 && !floors.Contains(n2)){
floors2.Add(n2);
}
}
if(floors2.Count > 0 && R.OneIn(5)){ //IIRC this checks each pair twice, so that affects the chance here
pos f1 = floors.Random();
pos f2 = floors2.Random();
U.DefaultMetric = DistanceMetric.Chebyshev;
int dist = d.map.PathingDistanceFrom(f1,f2,x=>!d.map[x].IsPassable() && d.map[x] != CellType.Door);
if(dist > 22 || (dist > 8 && R.OneIn(4))){
CellType rubble = R.OneIn(8)? CellType.Rubble : CellType.CorridorIntersection;
d[p] = R.OneIn(3)? rubble : CellType.CorridorIntersection;
d[n] = R.OneIn(3)? rubble : CellType.CorridorIntersection;
List<pos> neighbors = new List<pos>();
foreach(pos nearby in p.PositionsAtDistance(1)){
if(nearby.BoundsCheck(d.map,false) && nearby.DistanceFrom(n) == 1){
neighbors.Add(nearby);
}
}
while(neighbors.Count > 0){
pos neighbor = neighbors.RemoveRandom();
if(R.OneIn(neighbors.Count + 3) && !d.SeparatesMultipleAreas(neighbor)){
d[neighbor] = R.OneIn(2)? CellType.Rubble : CellType.CorridorIntersection;
}
}
}
}
break;
}
}
}
}
}
/*List<pos> thin_walls = d.map.AllPositions().Where(x=>d.map[x].IsWall() && x.HasOppositePairWhere(true,y=>y.BoundsCheck() && d.map[y].IsFloor()));
while(thin_walls.Count > 0){
pos p = thin_walls.Random();
foreach(int dir in new int[]{8,4}){
if(d.map[p.PosInDir(dir)] != CellType.Wall && d.map[p.PosInDir(dir.RotateDir(true,4))] != CellType.Wall){
var dijkstra = d.map.GetDijkstraMap(x=>d[x] == CellType.Wall,new List<pos>{p.PosInDir(dir)}); //todo: this would be better as "get distance"
if(Math.Abs(dijkstra[p.PosInDir(dir)] - dijkstra[p.PosInDir(dir.RotateDir(true,4))]) > 30){
d.map[p] = CellType.CorridorIntersection;
break;
}
}
}
thin_walls.Remove(p); //todo: move thin-wall-removal to schism
}*/
d.ConnectDiagonals();
d.RemoveUnconnectedAreas();
d.ImproveMapEdges(5);
d.SmoothCorners(60);
d.RemoveDeadEndCorridors();
d.MarkInterestingLocationsNonRectangular();
if(d.NumberOfFloors() < 320 || d.HasLargeUnusedSpaces(300)){
d.Clear();
}
else{
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
result[i,j] = d.map[i,j];
}
}
U.DefaultMetric = DistanceMetric.Chebyshev;
return result;
}
}
}
case 3:
{
d.RoomHeightMax = 3;
d.RoomWidthMax = 3;
while(true){
int successes = 0;
int consecutive_failures = 0;
while(successes < 13){
if(d.CreateRoom()){
++successes;
consecutive_failures = 0;
}
else{
if(consecutive_failures++ >= 50){
d.Clear();
successes = 0;
consecutive_failures = 0;
}
}
}
d.CaveWidenRooms(100,50);
d.AddRockFormations(40,2);
List<pos> thin_walls = d.map.AllPositions().Where(x=>d.map[x].IsWall() && x.HasOppositePairWhere(true,y=>y.BoundsCheck(tile) && d.map[y].IsFloor()));
while(!d.IsFullyConnected() && thin_walls.Count > 0){
pos p = thin_walls.Random();
d.map[p] = CellType.CorridorIntersection;
foreach(pos neighbor in p.PositionsWithinDistance(1,d.map)){
thin_walls.Remove(neighbor);
}
}
d.ConnectDiagonals();
d.RemoveDeadEndCorridors();
d.RemoveUnconnectedAreas();
d.MarkInterestingLocationsNonRectangular();
if(d.NumberOfFloors() < 320 || d.HasLargeUnusedSpaces(300)){ //todo: add 'proper coverage' check here - make sure it stretches across enough of the map.
d.Clear();
}
else{
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
result[i,j] = d.map[i,j];
}
}
return result;
}
}
}
}
break;
}
case LevelType.Hive:
{
d.RoomHeightMax = 3;
d.RoomWidthMax = 3;
while(true){
int successes = 0;
int consecutive_failures = 0;
while(successes < 35){
if(d.CreateRoom()){
++successes;
consecutive_failures = 0;
}
else{
if(consecutive_failures++ >= 40){
d.Clear();
successes = 0;
consecutive_failures = 0;
}
}
}
d.CaveWidenRooms(100,10);
d.CaveWidenRooms(3,20);
List<pos> thin_walls = d.map.AllPositions().Where(x=>d.map[x].IsWall() && x.HasOppositePairWhere(true,y=>y.BoundsCheck(tile) && d.map[y].IsFloor()));
while(!d.IsFullyConnected() && thin_walls.Count > 0){
pos p = thin_walls.Random();
d.map[p] = CellType.CorridorIntersection;
foreach(pos neighbor in p.PositionsWithinDistance(2,d.map)){
thin_walls.Remove(neighbor);
}
}
d.ConnectDiagonals();
d.RemoveDeadEndCorridors();
d.RemoveUnconnectedAreas();
d.MarkInterestingLocations();
//to find rooms big enough for stuff in the center:
//var dijkstra = d.map.GetDijkstraMap(x=>d.map[x].IsWall(),d.map.AllPositions().Where(x=>d.map[x].IsWall() && x.HasAdjacentWhere(y=>d.map.BoundsCheck(y) && !d.map[y].IsWall())));
if(d.NumberOfFloors() < 340 || d.HasLargeUnusedSpaces(300)){ //todo: add 'proper coverage' check here - make sure it stretches across enough of the map.
d.Clear();
}
else{
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
result[i,j] = d.map[i,j];
}
}
return result;
}
}
}
case LevelType.Mine:
{
d.CorridorExtraLengthChance = 0;
d.CorridorChainSizeMax = 10;
while(true){
d.RoomHeightMin = 8;
d.RoomWidthMin = 8;
d.RoomHeightMax = 8;
d.RoomWidthMax = 10;
d.MinimumSpaceBetweenCorridors = 3;
d.CorridorLengthMin = 3;
d.CorridorLengthMax = 5;
while(!d.CreateRoom()){}
d.RoomHeightMin = 5;
d.RoomWidthMin = 5;
d.RoomHeightMax = 5;
d.RoomWidthMax = 5;
while(!d.CreateRoom()){}
while(!d.CreateRoom()){}
/*for(int i=0;i<10;++i){
d.CreateRoom();
}
d.AddRockFormations(100,2);*/
d.MinimumSpaceBetweenCorridors = 5;
d.CorridorLengthMin = 4;
d.CorridorLengthMax = 12;
for(int i=0;i<70;++i){
d.CreateCorridor();
}
d.CorridorLengthMin = 3;
d.CorridorLengthMax = 5;
d.MinimumSpaceBetweenCorridors = 3;
for(int i=0;i<350;++i){
d.CreateCorridor();
}
d.RemoveUnconnectedAreas();
d.ConnectDiagonals(true);
d.RemoveUnconnectedAreas();
d.MarkInterestingLocations();
if(d.NumberOfFloors() < 250 || d.HasLargeUnusedSpaces(300)){
d.Clear();
}
else{
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
result[i,j] = d.map[i,j];
}
}
return result;
}
}
}
case LevelType.Fortress:
while(true){
int H = ROWS;
int W = COLS;
for(int i=H/2-1;i<H/2+1;++i){
for(int j=1;j<W-1;++j){
if(j==1 || j==W-2){
d.map[i,j] = CellType.RoomCorner;
}
else{
d.map[i,j] = CellType.RoomEdge;
}
}
}
for(int i=0;i<700;++i){
if(R.OneIn(5)){
d.CreateCorridor();
}
else{
d.CreateRoom();
}
}
bool reflect_features = R.PercentChance(80);
if(reflect_features){
d.AddDoors(25);
d.AddPillars(30);
}
d.Reflect(true,false);
d.ConnectDiagonals();
d.RemoveDeadEndCorridors();
d.RemoveUnconnectedAreas();
if(!reflect_features){
d.AddDoors(25);
d.AddPillars(30);
}
bool door_right = false;
bool door_left = false;
int rightmost_door = 0;
int leftmost_door = 999;
for(int j=0;j<22;++j){
if(d[H/2-2,j].IsCorridorType()){
door_left = true;
if(leftmost_door == 999){
leftmost_door = j;
}
}
if(d[H/2-2,W-1-j].IsCorridorType()){
door_right = true;
if(rightmost_door == 0){
rightmost_door = W-1-j;
}
}
}
if(!door_left || !door_right){
d.Clear();
continue;
}
for(int j=1;j<leftmost_door-6;++j){
d[H/2-1,j] = CellType.Wall;
d[H/2,j] = CellType.Wall;
}
for(int j=W-2;j>rightmost_door+6;--j){
d[H/2-1,j] = CellType.Wall;
d[H/2,j] = CellType.Wall;
}
for(int j=1;j<W-1;++j){
if(d[H/2-1,j].IsFloor()){
d[H/2-1,j] = CellType.Statue;
d[H/2,j] = CellType.Statue;
break;
}
else{
if(d[H/2-1,j] == CellType.Statue){
break;
}
}
}
for(int j=W-2;j>0;--j){
if(d[H/2-1,j].IsFloor()){
d[H/2-1,j] = CellType.Statue;
d[H/2,j] = CellType.Statue;
break;
}
else{
if(d[H/2-1,j] == CellType.Statue){
break;
}
}
}
for(int i=H/2-1;i<H/2+1;++i){
for(int j=1;j<W-1;++j){
if(d[i,j] == CellType.RoomCorner || d[i,j] == CellType.RoomEdge){
d[i,j] = CellType.CorridorIntersection;
}
}
}
d.MarkInterestingLocations();
if(d.NumberOfFloors() < 420 || d.HasLargeUnusedSpaces(300)){
d.Clear();
}
else{
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
result[i,j] = d.map[i,j];
}
}
return result;
}
}
case LevelType.Slime:
while(true){
/*for(int i=1;i<ROWS-1;++i){
for(int j=1;j<COLS-1;++j){
if(d[i,j].IsWall()){
if(!d[i+1,j+1].IsWall()){
d[i,j] = d[i+1,j+1];
}
else{
if(!d[i+1,j].IsWall()){
d[i,j] = d[i+1,j];
}
else{
if(!d[i,j+1].IsWall()){
d[i,j] = d[i,j+1];
}
}
}
}
}
}*/
d.CreateBasicMap();
d.ConnectDiagonals();
d.RemoveUnconnectedAreas();
d.AddDoors(25);
d.CaveWidenRooms(30,30);
d.RemoveDeadEndCorridors();
d.AddPillars(30);
d.MarkInterestingLocations();
if(d.NumberOfFloors() < 120 || d.HasLargeUnusedSpaces(300)){
d.Clear();
}
else{
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
result[i,j] = d.map[i,j];
}
}
return result;
}
}
case LevelType.Garden:
{
d.RoomHeightMin = 4;
d.RoomHeightMax = 10;
d.RoomWidthMin = 4;
d.RoomWidthMax = 10;
while(true){
d.CreateBasicMap();
d.ConnectDiagonals();
d.RemoveUnconnectedAreas();
d.RemoveDeadEndCorridors();
var dijkstra = d.map.GetDijkstraMap(x=>d[x].IsPassable(),x=>false);
List<pos> possible_room_centers = d.map.PositionsWhere(x=>dijkstra[x] == 3 && x.row > 1 && x.row < ROWS-2 && x.col > 1 && x.col < COLS-2);
int rooms = 0;
while(rooms < 6 && possible_room_centers.Count > 0){
pos p = possible_room_centers.RemoveRandom();
List<int> valid_dirs = new List<int>();
foreach(int dir in U.FourDirections){
pos p2 = p.PosInDir(dir).PosInDir(dir).PosInDir(dir);
if(p2.BoundsCheck(d.map) && d[p2].IsPassable() && d[p2] != CellType.RoomCorner){
valid_dirs.Add(dir);
}
}
if(valid_dirs.Count > 0){
foreach(pos neighbor in p.PositionsWithinDistance(1,d.map)){
d[neighbor] = CellType.RoomInterior;
}
possible_room_centers.RemoveWhere(x=>p.DistanceFrom(x) <= 3);
foreach(int dir in valid_dirs){
d[p.PosInDir(dir).PosInDir(dir)] = CellType.CorridorIntersection;
}
++rooms;
}
}
CellType water_type = CellType.ShallowWater;
if(R.OneIn(8)){
water_type = CellType.Ice;
}
d.ForEachRectangularRoom((start_r,start_c,end_r,end_c)=>{
int room_height = (end_r - start_r) + 1;
int room_width = (end_c - start_c) + 1;
if(room_height <= 4 && room_width <= 4){
if(room_height == 3 && room_width == 3){
return true;
}
List<pos> water = new List<pos>();
if(!new pos(start_r+1,start_c).PositionsAtDistance(1,d.map).Any(x=>d[x].IsCorridorType())){
water.Add(new pos(start_r+1,start_c));
water.Add(new pos(start_r+2,start_c));
}
if(!new pos(start_r,start_c+1).PositionsAtDistance(1,d.map).Any(x=>d[x].IsCorridorType())){
water.Add(new pos(start_r,start_c+1));
water.Add(new pos(start_r,start_c+2));
}
if(!new pos(end_r-1,end_c).PositionsAtDistance(1,d.map).Any(x=>d[x].IsCorridorType())){
water.Add(new pos(end_r-1,end_c));
water.Add(new pos(end_r-2,end_c));
}
if(!new pos(end_r,end_c-1).PositionsAtDistance(1,d.map).Any(x=>d[x].IsCorridorType())){
water.Add(new pos(end_r,end_c-1));
water.Add(new pos(end_r,end_c-2));
}
foreach(pos p in water){
d[p] = water_type;
}
d[start_r,start_c] = CellType.Statue;
d[start_r,end_c] = CellType.Statue;
d[end_r,start_c] = CellType.Statue;
d[end_r,end_c] = CellType.Statue;
}
else{
CellType center_type = CellType.RoomFeature1;
switch(R.Roll(3)){
case 1:
center_type = water_type;
break;
case 2:
center_type = CellType.Poppies;
break;
case 3:
center_type = CellType.Brush;
break;
}
bool statues = R.CoinFlip();
CellType statue_type = CellType.Statue;
if(room_height <= 8 && room_width <= 8 && R.OneIn(8)){
statue_type = CellType.Torch;
}
CellType edge_type = CellType.ShallowWater;
if(center_type != water_type && !R.OneIn(4)){
edge_type = CellType.ShallowWater;
}
else{
int vine_chance = 50;
if(!statues){
vine_chance = 80;
}
if(R.PercentChance(vine_chance)){
edge_type = CellType.Vine;
}
else{
edge_type = CellType.Gravel;
}
if(R.OneIn(32)){
if(R.CoinFlip()){
edge_type = CellType.Statue;
}
else{
edge_type = CellType.GlowingFungus;
}
}
}
bool gravel = R.OneIn(16);
bool edges = R.CoinFlip();
if(room_height < 6 || room_width < 6){
edges = false;
}
if(room_height >= 8 && room_width >= 8){
edges = !R.OneIn(4);
}
if(edges){
for(int i=start_r;i<=end_r;++i){
for(int j=start_c;j<=end_c;++j){
if(i == start_r || i == end_r || j == start_c || j == end_c){ //edges
if(statues && (i == start_r || i == end_r) && (j == start_c || j == end_c)){ //corners
d[i,j] = statue_type;
}
else{
pos p = new pos(i,j);
if(!p.CardinalAdjacentPositions().Any(x=>d[x].IsCorridorType())){
d[i,j] = edge_type;
}
}
}
else{
if(i == start_r+1 || i == end_r-1 || j == start_c+1 || j == end_c-1){ //the path
if(gravel){
d[i,j] = CellType.Gravel;
}
}
else{
d[i,j] = center_type;
}
}
}
}
}
else{
for(int i=start_r;i<=end_r;++i){
for(int j=start_c;j<=end_c;++j){
if(i == start_r || i == end_r || j == start_c || j == end_c){
if(gravel){
d[i,j] = CellType.Gravel;
}
}
else{
d[i,j] = center_type;
}
}
}
}
if(center_type == water_type && room_height % 2 == 1 && room_width % 2 == 1){
statue_type = CellType.Statue;
if(room_height <= 7 && room_width <= 7 && R.OneIn(12)){
statue_type = CellType.Torch;
}
d[(start_r+end_r)/2,(start_c+end_c)/2] = statue_type;
}
}
return true;
});
d.ConnectDiagonals();
d.RemoveUnconnectedAreas();
d.AddDoors(10);
d.RemoveDeadEndCorridors();
d.MarkInterestingLocations();
if(d.NumberOfFloors() < 320 || d.HasLargeUnusedSpaces(300)){
d.Clear();
}
else{
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
result[i,j] = d.map[i,j];
}
}
return result;
}
}
}
case LevelType.Crypt:
{
while(true){
pos room1origin = new pos(ROWS/2,R.Roll(COLS/8 - 1) + COLS/8 - 1);
pos room2origin = new pos(ROWS/2,R.Roll(COLS/8 - 1) + (COLS*6 / 8) - 1);
while(!d.CreateRoom(room1origin.row,room1origin.col)){} //left half
while(!d.CreateRoom(room2origin.row,room2origin.col)){} //right half
d.CaveWidenRooms(100,150);
d.MoveRoom(room1origin,4);
d.MoveRoom(room2origin,6);
var dijkstra = d.map.GetDijkstraMap(x=>d.map[x] == CellType.Wall,x=>false); //todo: among these Map dijkstra maps I have, like, 3 different ways of testing for walls. are these all correct?
int distance_from_walls = 3;
List<pos> central_room = d.map.PositionsWhere(x=>dijkstra[x] > distance_from_walls);
int required_consecutive = 3;
for(int i=0;i<ROWS;++i){ //first, check each row...
for(int j=0;j<COLS;++j){
List<pos> this_row = new List<pos>();
while(j < COLS && dijkstra[i,j] > distance_from_walls){
this_row.Add(new pos(i,j));
++j;
}
if(this_row.Count < required_consecutive){
foreach(pos p in this_row){
central_room.Remove(p);
}
}
}
}
for(int j=0;j<COLS;++j){ //...then each column
for(int i=0;i<ROWS;++i){
List<pos> this_col = new List<pos>();
while(i < ROWS && dijkstra[i,j] > distance_from_walls){
this_col.Add(new pos(i,j));
++i;
}
if(this_col.Count < required_consecutive){
foreach(pos p in this_col){
central_room.Remove(p);
}
}
}
}
central_room = d.map.GetFloodFillPositions(central_room.Where(x=>x.PositionsWithinDistance(1).All(y=>central_room.Contains(y))),false,x=>central_room.Contains(x));
List<pos> walls = new List<pos>();
foreach(pos p in central_room){
d.map[p] = CellType.InterestingLocation;
foreach(pos neighbor in p.PositionsAtDistance(1,d.map)){
if(!central_room.Contains(neighbor)){
d.map[neighbor] = CellType.Wall;
walls.Add(neighbor);
}
}
}
while(true){
List<pos> potential_doors = new List<pos>();
foreach(pos p in walls){
foreach(int dir in U.FourDirections){
if(d.map[p.PosInDir(dir)] == CellType.InterestingLocation && d.map[p.PosInDir(dir.RotateDir(true,4))].IsRoomType() && d.map[p.PosInDir(dir.RotateDir(true,4))] != CellType.InterestingLocation){
potential_doors.Add(p);
break;
}
}
}
if(potential_doors.Count > 0){
pos p = potential_doors.Random();
d.map[p] = CellType.Door;
List<pos> room = d.map.GetFloodFillPositions(p,true,x=>d.map[x] == CellType.InterestingLocation);
foreach(pos p2 in room){
d.map[p2] = CellType.RoomInterior;
}
}
else{
break;
}
}
dijkstra = d.map.GetDijkstraMap(x=>d.map[x] == CellType.Wall,x=>false);
int num_chests = 0;
d.ForEachRoom(list=>{
if(central_room.Contains(list[0])){
if(num_chests++ < 2){
d[list.Random()] = CellType.Chest;
}
return true;
}
List<pos> room = list.Where(x=>dijkstra[x] > 1);
int start_r = room.WhereLeast(x=>x.row)[0].row;
int end_r = room.WhereGreatest(x=>x.row)[0].row;
int start_c = room.WhereLeast(x=>x.col)[0].col;
int end_c = room.WhereGreatest(x=>x.col)[0].col;
List<List<pos>> offsets = new List<List<pos>>();
for(int i=0;i<4;++i){
offsets.Add(new List<pos>());
}
for(int i=start_r;i<=end_r;i+=2){
for(int j=start_c;j<=end_c;j+=2){
if(room.Contains(new pos(i,j))){
offsets[0].Add(new pos(i,j));
}
if(i+1 <= end_r && room.Contains(new pos(i+1,j))){
offsets[1].Add(new pos(i+1,j));
}
if(j+1 <= end_c && room.Contains(new pos(i,j+1))){
offsets[2].Add(new pos(i,j+1));
}
if(i+1 <= end_r && j+1 <= end_c && room.Contains(new pos(i+1,j+1))){
offsets[3].Add(new pos(i+1,j+1));
}
}
}
List<pos> tombstones = offsets.WhereGreatest(x=>x.Count).RandomOrDefault();
if(tombstones != null){
foreach(pos p in tombstones){
d.map[p] = CellType.Tombstone;
}
}
return true;
});
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
if(d[i,j] == CellType.Door){
pos p = new pos(i,j);
List<pos> potential_statues = p.PositionsAtDistance(1,d.map).Where(x=>!d[x].IsWall() && !central_room.Contains(x) && p.DirectionOf(x) % 2 != 0 && !x.PositionsAtDistance(1,d.map).Any(y=>d[y].Is(CellType.Tombstone)));
if(potential_statues.Count == 2){
d[potential_statues[0]] = CellType.Statue;
d[potential_statues[1]] = CellType.Statue;
}
}
}
}
List<pos> room_one = null;
List<pos> room_two = null;
for(int j=0;j<COLS && room_one == null;++j){
for(int i=0;i<ROWS;++i){
if(d[i,j] != CellType.Wall){
room_one = d.map.GetFloodFillPositions(new pos(i,j),false,x=>!d[x].IsWall());
break;
}
}
}
for(int j=COLS-1;j>=0 && room_two == null;--j){
for(int i=0;i<ROWS;++i){
if(d[i,j] != CellType.Wall){
room_two = d.map.GetFloodFillPositions(new pos(i,j),false,x=>!d[x].IsWall());
break;
}
}
}
if(room_one.WhereGreatest(x=>x.col).Random().DistanceFrom(room_two.WhereLeast(x=>x.col).Random()) < 12){
d.Clear();
continue;
}
Dungeon d2 = new Dungeon(ROWS,COLS);
int tries = 0;
while(tries < 10){
d2.CreateBasicMap();
d2.ConnectDiagonals();
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
if(d[i,j] != CellType.Wall){
pos p = new pos(i,j);
foreach(pos neighbor in p.PositionsAtDistance(1,d2.map)){
d2[neighbor] = CellType.Wall;
}
}
}
}
d2.RemoveUnconnectedAreas();
List<pos> room_one_walls = new List<pos>();
List<pos> room_two_walls = new List<pos>();
for(int i=0;i<ROWS;++i){
for(int j=COLS-1;j>=0;--j){
pos p = new pos(i,j);
if(room_one.Contains(p)){
room_one_walls.Add(p);
break;
}
}
for(int j=0;j<COLS;++j){
pos p = new pos(i,j);
if(room_two.Contains(p)){
room_two_walls.Add(p);
break;
}
}
}
List<pos> room_one_valid_connections = new List<pos>();
List<pos> room_two_valid_connections = new List<pos>();
foreach(pos p in room_one_walls){
pos next = p.PosInDir(6);
while(BoundsCheck(next) && p.DistanceFrom(next) < 7){
if(d2[next] != CellType.Wall){
room_one_valid_connections.Add(p.PosInDir(6));
break;
}
next = next.PosInDir(6);
}
}
foreach(pos p in room_two_walls){
pos next = p.PosInDir(4);
while(BoundsCheck(next) && p.DistanceFrom(next) < 7){
if(d2[next] != CellType.Wall){
room_two_valid_connections.Add(p.PosInDir(4));
break;
}
next = next.PosInDir(4);
}
}
if(room_one_valid_connections.Count > 0 && room_two_valid_connections.Count > 0){
pos one = room_one_valid_connections.Random();
while(true){
if(d2[one] == CellType.Wall){
d2[one] = CellType.CorridorHorizontal;
}
else{
break;
}
one = one.PosInDir(6);
}
pos two = room_two_valid_connections.Random();
while(true){
if(d2[two] == CellType.Wall){
d2[two] = CellType.CorridorHorizontal;
}
else{
break;
}
two = two.PosInDir(4);
}
break;
}
else{
d2.Clear();
}
++tries;
}
if(tries == 10){
d.Clear();
continue;
}
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
if(d2[i,j] != CellType.Wall){
d[i,j] = d2[i,j];
}
}
}
//d.CaveWidenRooms(100,20);
//d.MakeCavesMoreRectangular(4);
//d.RemoveDeadEndCorridors();
//d.MakeCavesMoreRectangular(1 + num++ / 10);
//d.Clear();
//continue;
d.ConnectDiagonals();
d.RemoveUnconnectedAreas();
d.RemoveDeadEndCorridors();
d.MarkInterestingLocations();
d.RemoveUnconnectedAreas();
if(d.NumberOfFloors() < 340 || d.HasLargeUnusedSpaces(350)){
d.Clear();
}
else{
for(int i=0;i<ROWS;++i){
for(int j=0;j<COLS;++j){
result[i,j] = d.map[i,j];
}
}
return result;
}
}
}
}
return null;
}