BiomeData Generate2DBiomeData()
{
BiomeData biomeData = new BiomeData();
BiomeSwitchGraph switchGraph = new BiomeSwitchGraph();
Sampler2D terrainHeight = new Sampler2D(size, step);
PerlinNoise2D perlin = new PerlinNoise2D(seed);
perlin.UpdateParams(seed, step, octaves, persistance, lacunarity);
perlin.ComputeSampler2D(terrainHeight);
terrainHeight = NoiseFunctions.Map(terrainHeight, 0, maxTerrainHeight);
biomeData.waterLevel = waterLevel;
biomeData.isWaterless = isWaterless;
biomeData.UpdateSamplerValue(BiomeSamplerName.terrainHeight, terrainHeight);
if (!isWaterless)
{
biomeData.UpdateSamplerValue(BiomeSamplerName.waterHeight, GenerateWaterHeight(terrainHeight));
}
switchGraph.BuildTestGraph(0);
biomeData.biomeMap = Generate2DBiomeMap(0);
biomeData.biomeSwitchGraph = switchGraph;
return(biomeData);
}
public void UpdateWaterMap()
{
outputBiome.UpdateSamplerValue(BiomeSamplerName.terrainHeight, terrainNoise);
outputBiome.waterLevel = waterLevel;
if (terrainNoise.type == SamplerType.Sampler2D)
{
//terrain mapping
var mappedTerrain = NoiseFunctions.Map(terrainNoise as Sampler2D, mapMin, mapMax, true);
outputBiome.UpdateSamplerValue(BiomeSamplerName.terrainHeight, mappedTerrain);
//waterHeight evaluation
Sampler2D waterHeight = new Sampler2D(terrainNoise.size, terrainNoise.step);
waterHeight.min = waterLevel - mappedTerrain.max;
waterHeight.max = waterLevel;
mappedTerrain.Foreach((x, y, val) => {
waterHeight[x, y] = waterLevel - val;
});
outputBiome.UpdateSamplerValue(BiomeSamplerName.waterHeight, waterHeight);
}
else
{
//TODO 3D terrain water level
}
}
public override void OnNodeProcess()
{
outputBiome.Reset();
if (terrain != null && terrain.type == SamplerType.Sampler2D)
{
//terrain mapping
outputBiome.UpdateSamplerValue(BiomeSamplerName.terrainHeight, NoiseFunctions.Map(terrain as Sampler2D, mapMin, mapMax, true));
}
}