static IFastImage Visualize(CellBoard board, bool showOnlyLargestArea, int scale = 1)
{
if (showOnlyLargestArea)
{
var(area, size) =
ConnectedAreaAnalyzer
.FindForegroundAreas(board.Dimensions, p => board[p] == CellType.Dead)
.MaxBy(component => component.Area)
?.TrimExcess(1) ??
throw new InvalidOperationException("This can't happen");
return(GenericVisualizer.RenderBinary(size,
isTrue: area.Contains,
trueColor: SKColors.White,
falseColor: SKColors.Black,
scale: scale));
}
else
{
return(GenericVisualizer.RenderBinary(board.Dimensions,
isTrue: p => board[p] == CellType.Dead,
trueColor: SKColors.White,
falseColor: SKColors.Black,
scale: scale));
}
}
public static CellBoard RemoveNoise(this CellBoard board)
{
var aliveAreas =
ConnectedAreaAnalyzer
.FindForegroundAreas(board.Dimensions, p => board[p] == CellType.Alive)
.Where(area => area.Area > 64)
.ToArray();
return(new CellBoard(board.Dimensions, pos => aliveAreas.Any(a => a.Contains(pos)) ? CellType.Alive : CellType.Dead));
}
public void Setup()
{
var random = new Random(3);
var board =
new CellBoard(new Size(256, 256))
.Fill(random, probabilityAlive: 0.5)
.MakeBorderAlive(thickness: 1)
.GenerateStandardCave()
.ScaleAndSmooth(times: 3)
.TrimToLargestDeadArea();
_area = ConnectedAreaAnalyzer
.FindForegroundAreas(board.Dimensions, p => board[p] == CellType.Dead)
.MaxBy(a => a.Area);
}
public void ShowFloorVsCeilingLighting()
{
void SaveImage(IFastImage image, string description) =>
image.Save(Path.Combine(_dirInfo.FullName, $"{description}.png"));
var random = new Random(Seed);
var board =
new CellBoard(new(128, 128))
.Fill(random, probabilityAlive: 0.5)
.MakeBorderAlive(thickness: 3)
.GenerateStandardCave();
var(largestComponent, dimensions) =
ConnectedAreaAnalyzer
.FindForegroundAreas(board.Dimensions, p => board[p] == CellType.Dead)
.OrderByDescending(component => component.Area)
.First()
.TrimExcess(border: 1);
var interior = largestComponent.DetermineInteriorEdgeDistance(Neighborhood.VonNeumann);
// Place some lights
var lightRange = new LightRange(DarkLevels: 15, LightLevels: 5);
var lights = CaveThingPlacement.RandomlyPlaceLights(
interior.Where(pair => pair.Value == 2).Select(pair => pair.Key).ToList(),
random,
lightRange,
percentAreaToCover: 0.05,
varyHeight: true)
.ToArray();
var(floorLighting, ceilingLight) =
LightTracer.Trace(dimensions, p => !largestComponent.Contains(p), lightRange, lights);
using var floorImg = LightMapVisualizer.Render(floorLighting, lights, largestComponent, scale: 5);
using var ceilingImg = LightMapVisualizer.Render(ceilingLight, lights, largestComponent, scale: 5);
SaveImage(floorImg, "Floor");
SaveImage(ceilingImg, "Ceiling");
}
public static MapData Create(int seed, string texturePrefix, TextureQueue textureQueue)
{
var random = new Random(seed);
var caveBoard =
new CellBoard(new Size(128, 128))
.Fill(random, probabilityAlive: 0.5)
.MakeBorderAlive(thickness: 3)
.GenerateStandardCave();
var(caveArea, size) =
ConnectedAreaAnalyzer
.FindForegroundAreas(caveBoard.Dimensions, p => caveBoard[p] == CellType.Dead)
.OrderByDescending(a => a.Area)
.First()
.TrimExcess(border: 1);
var interior = caveArea.DetermineInteriorEdgeDistance(Neighborhood.VonNeumann);
var alternateFloor =
new CellBoard(new Size(size.Width + 1, size.Height + 1))
.Fill(random, probabilityAlive: 0.5)
.RunGenerations(6);
var alternateCeiling =
new CellBoard(new Size(size.Width + 1, size.Height + 1))
.Fill(random, probabilityAlive: 0.5)
.RunGenerations(6);
var lightRange = new LightRange(DarkLevels: 15, LightLevels: 5);
var lights = CaveThingPlacement.RandomlyPlaceLights(
interior.Where(pair => pair.Value == 2).Select(pair => pair.Key).ToList(),
random,
lightRange,
percentAreaToCover: 0.05,
varyHeight: true)
.ToArray();
var(floorLighting, ceilingLighting) =
LightTracer.Trace(size, p => !caveArea.Contains(p), lightRange, lights);
var(planeMap, sectors, tiles) =
CreateGeometry(
size,
caveArea,
alternateFloor,
alternateCeiling,
floorLighting,
ceilingLighting,
textureQueue,
texturePrefix);
var playerPosition = caveArea.First();
var things =
lights.Select(light => new Thing(
Type: light.Height == LightHeight.Ceiling ? "CeilingCrystal" : "FloorCrystal",
X: light.Center.X + 0.5,
Y: light.Center.Y + 0.5,
Z: 0,
Angle: 0,
Ambush: false,
Skill1: true,
Skill2: true,
Skill3: true,
Skill4: true)).ToList();
things.Add(new Thing(
Type: Actor.Player1Start.ClassName,
X: playerPosition.X + 0.5,
Y: playerPosition.Y + 0.5,
Z: 0,
Angle: 0,
Ambush: false,
Skill1: true,
Skill2: true,
Skill3: true,
Skill4: true));
return(new MapData(
NameSpace: "Wolf3D",
TileSize: 64,
Name: "Procedural Cave",
Width: size.Width,
Height: size.Height,
Tiles: tiles,
Sectors: sectors,
Zones: ImmutableArray.Create(new Zone()),
Planes: ImmutableArray.Create(new Plane(Depth: 64)),
PlaneMaps: ImmutableArray.Create(planeMap),
Things: things.ToImmutableArray(),
Triggers: ImmutableArray <Trigger> .Empty));
}