public DemoPartition(DemoPartitionContext context)
{
if (context == null) throw new ArgumentNullException("context");
this.context = context;
settings = context.Settings;
heightMap = new NoiseHeightMap(context.GraphicsDevice, settings.HeightMapWidth, settings.HeightMapHeight);
heightMap.NoiseSource = context.Noise;
normalMap = new NormalMap(context.GraphicsDevice, settings.HeightMapWidth, settings.HeightMapHeight);
normalMap.HeightMap = heightMap;
normalMap.Amplitude = settings.HeightScale;
noiseRainMap = new NoiseRainMap(settings.HeightMapWidth, settings.HeightMapHeight);
noiseRainMap.NoiseSource = rainNoise.Sample;
noiseRainMap.RainAmount = 0.5f;
uniformRainMap = new Map<float>(settings.HeightMapWidth, settings.HeightMapHeight);
uniformRainMap.Fill(0.8f);
terrainRainMap = new Map<float>(settings.HeightMapWidth, settings.HeightMapHeight);
hydraulicErosion.HeightMap = heightMap;
//hydraulicErosion.RainMap = noiseRainMap;
//hydraulicErosion.RainMap = uniformRainMap;
hydraulicErosion.RainMap = terrainRainMap;
fastHydraulicErosion.HeightMap = heightMap;
//fastHydraulicErosion.RainMap = noiseRainMap;
//fastHydraulicErosion.RainMap = uniformRainMap;
fastHydraulicErosion.RainMap = terrainRainMap;
musgraveHydraulicErosion.HeightMap = heightMap;
//musgraveHydraulicErosion.RainMap = noiseRainMap;
//musgraveHydraulicErosion.RainMap = uniformRainMap;
musgraveHydraulicErosion.RainMap = terrainRainMap;
thermalErosion.HeightMap = heightMap;
fastThermalErosion.HeightMap = heightMap;
terrain = new CDLODTerrain(context.Settings);
terrain.HeightMap = heightMap;
}
public DemoPartitionFactory(DemoPartitionContext context)
{
if (context == null) throw new ArgumentNullException("context");
this.context = context;
}
protected override void LoadContent()
{
settings.LevelCount = levelCount;
settings.LeafNodeSize = leafNodeSize;
settings.PatchResolution = patchResolution;
settings.MapScale = mapScale;
settings.HeightScale = heightScale;
settings.HeightMapWidth = heightMapWidth;
settings.HeightMapHeight = heightMapHeight;
var visibleRanges = new CDLODDefaultVisibleRanges(settings);
visibleRanges.FinestNodeSize = finestNodeSize;
visibleRanges.DetailBalance = detailBalance;
visibleRanges.Initialize();
#region Noise and fractal test
classicPerlin.Seed = noiseSeed;
classicPerlin.Reseed();
perlin.Seed = noiseSeed;
perlin.Reseed();
simplex.Seed = noiseSeed;
simplex.Reseed();
//var noise = perlinNoise;
var noise = perlin;
//var noise = simplexNoise;
//var noise = voronoi;
perlinFractal.Source = noise.Sample;
sumFractal.Source = noise.Sample;
multifractal.Source = noise.Sample;
heterofractal.Source = noise.Sample;
hybridMultifractal.Source = noise.Sample;
ridgedMultifractal.Source = noise.Sample;
sinFractal.Source = noise.Sample;
billow.Source = noise.Sample;
#endregion
#region Vorononi test
voronoi.Seed = noiseSeed;
voronoi.Frequency = 1;
voronoi.VoronoiType = VoronoiType.First;
voronoi.Metrics = Metrics.Squared;
//voronoi.DistanceEnabled = true;
#endregion
#region Noise combination test
var testBaseNoise = perlin;
mountainTerrain.Source = testBaseNoise.Sample;
baseFlatTerrain.Source = testBaseNoise.Sample;
baseFlatTerrain.Frequency = 2.0f;
flatTerrain.Source = baseFlatTerrain.Sample;
flatTerrain.Scale = 0.525f;
flatTerrain.Bias = -0.75f;
terrainType.Source = testBaseNoise.Sample;
terrainSelector.Controller = terrainType.Sample;
terrainSelector.Source0 = (x, y, z) => { return mountainTerrain.Sample(x, y, z) * 1.25f - 1; };
terrainSelector.Source1 = flatTerrain.Sample;
terrainSelector.LowerBound = 0;
terrainSelector.UpperBound = 1000;
terrainSelector.EdgeFalloff = 0.125f;
perturbTerrain.Source = terrainSelector.Sample;
perturbTerrain.Frequency = 4;
perturbTerrain.Power = 0.125f;
finalTerrain.Source = perturbTerrain.Sample;
finalTerrain.Bias = 0.8f;
#endregion
#region Recording
recNoise.Seed = noiseSeed;
recBaseTerrain.Source = recNoise.Sample;
recBaseTerrain.OctaveCount = 7;
recFinalTerrain.Source = recBaseTerrain.Sample;
recFinalTerrain.Scale = 2.5f;
#endregion
SampleSourceDelegate finalNoiseSource = recFinalTerrain.Sample;
partitionContext = new DemoPartitionContext(
GraphicsDevice, Content, settings, visibleRanges,
finalNoiseSource, noiseSampleX, noiseSampleY, noiseSampleWidth, noiseSampleHeight);
partitionContext.TerrainRenderer.FogEnabled = true;
partitionContext.TerrainRenderer.FogStart = fogStart;
partitionContext.TerrainRenderer.FogEnd = fogEnd;
partitionContext.TerrainRenderer.FogColor = fogColor;
partitionFactory = new DemoPartitionFactory(partitionContext);
var terrainScale = settings.TerrainScale;
partitionManager = new PartitionManager(partitionFactory.Create, loadThreadCount,
initialPartitionPoolCapacity, maxPartitionPoolCapacity);
partitionManager.PartitionWidth = terrainScale.X;
partitionManager.PartitionHeight = terrainScale.Z;
partitionManager.ActivationRange = terrainScale.X * 4.0f;
//partitionManager.ActivationRange = terrainScale.X * 2.0f;
partitionManager.DeactivationRange = partitionManager.ActivationRange * 1.5f;
partitionManager.EyePosition = view.Position;
#region Debug
spriteBatch = new SpriteBatch(GraphicsDevice);
font = Content.Load<SpriteFont>("Fonts/Debug");
fillTexture = Texture2DHelper.CreateFillTexture(GraphicsDevice);
helpMessageFontSize = font.MeasureString(helpMessage);
BuildInformationMessage();
informationTextFontSize = font.MeasureString(stringBuilder);
#endregion
}