public static void tableWorker(int StartingIndex, int EndingIndex, double[][] BitMap, int[] permutationTable, Vector2[] gradients)
{
for (int i = StartingIndex; i < EndingIndex; i++)
{
BitMap[i] = new double[BitMap.GetLength(0)];
for (int k = 0; k < BitMap.GetLength(0); k++)
{
double noise = Math.Max(Math.Min(Noise2d.Noise((double)i / 512, (double)k / 512, permutationTable, gradients), (double)1), (double)-1);
BitMap[i][k] = (noise + 1) * 127.5;
}
}
}
public void Init(int X, int Y)
{
ChunkX = X;
ChunkY = Y;
var MapData = Noise2d.GenerateNoiseMap(ChunkX * ChunkManager.Instance.ChunkWidth, ChunkY * ChunkManager.Instance.ChunkHeight,
ChunkManager.Instance.ChunkWidth, ChunkManager.Instance.ChunkHeight, 8, 256);
var BaseTileData = new int[ChunkManager.Instance.ChunkWidth, ChunkManager.Instance.ChunkHeight];
var DecorationTileData = new int[ChunkManager.Instance.ChunkWidth, ChunkManager.Instance.ChunkHeight];
ChunkTileData = new TileData[ChunkManager.Instance.ChunkWidth, ChunkManager.Instance.ChunkHeight];
for (var i = 0; i < ChunkManager.Instance.ChunkWidth; i++)
{
for (var j = 0; j < ChunkManager.Instance.ChunkHeight; j++)
{
BaseTileData[i, j]
= TerrainGen.TileForHeight((ChunkX * ChunkManager.Instance.ChunkWidth) + i, (ChunkY * ChunkManager.Instance.ChunkHeight) + j,
MapData[i, j]);
DecorationTileData[i, j] = -1;
//527
var tree = TerrainGen.WantTree(
(ChunkX * ChunkManager.Instance.ChunkWidth) + i, (ChunkY * ChunkManager.Instance.ChunkHeight) + j, MapData[i, j]);
TileData tData = new TileData();
tData.ChunkTileOffsetX = i;
tData.ChunkTileOffsetY = j;
tData.TileBaseType = BaseTileData[i, j];
tData.TileDetailType = DecorationTileData[i, j];
tData.TileX = (ChunkX * ChunkManager.Instance.ChunkWidth) + i;
tData.TileY = (ChunkY * ChunkManager.Instance.ChunkHeight) + j;
tData.TileEntity = new Entity();
if (tree)
{
tData.TileEntity.addComponent <TIleCollider>();
tData.TileEntity.addComponent(new ResourceTile("wood", 527, tData));
}
tData.UpdateWalkableState();
ChunkTileData[i, j] = tData;
}
}
}
/// <summary>
/// Generates the noise map.
/// From https://stackoverflow.com/questions/8659351/2d-perlin-noise
/// </summary>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="result">The result.</param>
/// <param name="octaves">The octaves.</param>
public static void GenerateNoiseMap(int width, int height, int octaves, out DoubleOrSingle[] result)
{
var data = new DoubleOrSingle[width * height];
// track min and max noise value. Used to normalize the result to the 0 to 1.0 range.
var min = DoubleOrSingle.MaxValue;
var max = DoubleOrSingle.MinValue;
// rebuild the permutation table to get a different noise pattern.
// Leave this out if you want to play with changing the number of octaves while
// maintaining the same overall pattern.
Noise2d.Reseed();
var frequency = 0.5f;
var amplitude = 1f;
//var persistence = 0.25f;
for (var octave = 0; octave < octaves; octave++)
{
// parallel loop - easy and fast.
Parallel.For(0
, width * height
, (offset) =>
{
var i = offset % width;
var j = offset / width;
var noise = Noise2d.Noise(i * frequency * 1f / width, j * frequency * 1f / height);
noise = data[j * width + i] += noise * amplitude;
min = Math.Min(min, noise);
max = Math.Max(max, noise);
}
);
frequency *= 2;
amplitude /= 2;
}
//Normalize
for (int i = 0; i < data.Length; ++i)
{
data[i] = (data[i] - min) / (max - min);
}
result = data;
}
public void ConstructTileMap()
{
var noiseMap = Noise2d.GenerateNoiseMap(13, 13, 2);
var walker = 0;
var sqr3 = Mathf.Sqrt(3);
foreach (var t in _holder.TileMap)
{
var c = t.Coord;
var pos = new Vector3(sqr3 * c.Q + sqr3 * c.R / 2, 0, 1.5f * c.R) -
new Vector3(_holder.TileMap.Radius * 1.5f * sqr3, 0, _holder.TileMap.Radius * 1.5f);
var tile = Instantiate(hexTilePrefab, transform);
tile.Init(t, OnClickTile);
var a = noiseMap[walker / 13, walker % 13];
tile.GetComponent <SpriteRenderer>().color = new Color(a, a, a);
tile.transform.localPosition = pos;
walker++;
}
}
public void AddObstacles()
{
int width = MapConstants.mapWidth - 2;
int height = MapConstants.mapHeight - 2;
var data = new float[width * height];
var min = float.MaxValue;
var max = float.MinValue;
Noise2d.Reseed();
var frequency = 0.1f;
var amplitude = 1f;
for (int i = 0; i < data.Length; i++)
{
var x = i % width;
var y = i / width;
var noise = Noise2d.Noise(x * frequency * 1f / width, y * frequency * 1f / height);
noise = data[y * width + x] += noise * amplitude;
min = Math.Min(min, noise);
max = Math.Max(max, noise);
}
for (int i = 1; i < MapConstants.mapHeight - 1; i++)
{
for (int j = 1; j < MapConstants.mapWidth - 1; j++)
{
var normalizedNoise = (data[(i - 1) * (j - 1)] - min) / (max - min);
var obstacle = GetObstacleByNoise(normalizedNoise);
if (obstacle != null)
{
map[i, j] = obstacle;
}
}
}
}
public Hills(int seed, int width, int height, float frequency, float amplitude) : base(seed, width, height)
{
Noise2d noise = new Noise2d(seed);
noiseMap = noise.GenerateNoiseMap(width, height, frequency, amplitude);
}
public FogOfWar(int seed, int width, int height, GraphicsDeviceManager graphics)
{
Noise = new Noise2d(seed);
Width = width;
Height = height;
Vertecies = new VertexPositionColor[width * height * 6];
var NoiseMap = Noise.GenerateNoiseMap(width, height, 100f, 1f);
int i = 0;
Random random = new Random(123);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
float value1 = NoiseMap[y * width + x];
float value2 = NoiseMap[Math.Min(y * width + x + 1, width * height - 1)];
float value3 = NoiseMap[Math.Min((y + 1) * width + x, width * height - 1)];
float value4 = NoiseMap[Math.Min((y + 1) * width + x + 1, width * height - 1)];
int al1 = 255; //random.NextDouble() > 0.2 ? 0 : 255;
int al2 = 255; //random.NextDouble() > 0.2 ? 0 : 255;
Color color1 = Color.FromNonPremultiplied(40, 40, (int)(value1 * 255), al1);
Color color2 = Color.FromNonPremultiplied(40, 40, (int)(value2 * 255), al1);
Color color3 = Color.FromNonPremultiplied(40, 40, (int)(value3 * 255), al1);
Color color4 = Color.FromNonPremultiplied(40, 40, (int)(value4 * 255), al1);
Color color1x = Color.FromNonPremultiplied(40, 40, (int)(value1 * 255), al2);
Color color2x = Color.FromNonPremultiplied(40, 40, (int)(value2 * 255), al2);
Color color3x = Color.FromNonPremultiplied(40, 40, (int)(value3 * 255), al2);
Color color4x = Color.FromNonPremultiplied(40, 40, (int)(value4 * 255), al2);
int cx = x * TILE_WIDTH;
int cy = y * TILE_DEPTH;
int nx = cx + TILE_WIDTH;
int ny = cy + TILE_DEPTH;
Color color = Color.Blue;//value > 10 ? value > 20 ? Color.SandyBrown: Color.Green : Color.Blue;
int a = 10;
Vertecies[i] = new VertexPositionColor(new Vector3(cx, cy, value1 * a), color1);
Vertecies[i + 1] = new VertexPositionColor(new Vector3(cx, ny, value3 * a), color3);
Vertecies[i + 2] = new VertexPositionColor(new Vector3(nx, cy, value2 * a), color2);
Vertecies[i + 3] = new VertexPositionColor(Vertecies[i + 1].Position, color3x);
Vertecies[i + 4] = new VertexPositionColor(new Vector3(nx, ny, value4 * a), color4x);
Vertecies[i + 5] = new VertexPositionColor(Vertecies[i + 2].Position, color2x);
i += 6;
}
}
//using (var reader = new BinaryReader(File.Open("Content/Shaders/FogOfWar.xnb", FileMode.Open)))
//{
// effect = new Effect(graphics.GraphicsDevice, reader.ReadBytes((int)reader.BaseStream.Length));
//}
//effect = new BasicEffect(graphics.GraphicsDevice);
}
