public static void ApplyBiomeTerrainModifiers(BlendedBiomeTerrain b)
{
if (b.terrain == null)
{
return;
}
if (b.terrain.type == SamplerType.Sampler2D)
{
PWUtils.ResizeSamplerIfNeeded(b.terrain, ref b.biomeTerrain);
Sampler2D terrain = b.terrain as Sampler2D;
Sampler2D biomeTerrain = b.biomeTerrain as Sampler2D;
//Fill biomeTerrain instead of terrain to keep an original version of the terrain
biomeTerrain.Foreach((x, y) => {
float val = terrain[x, y];
int biomeId = b.biomeMap.GetBiomeBlendInfo(x, y).firstBiomeId;
if (biomeId == -1)
{
return(val);
}
//TODO: biome blending
return(b.biomeTree.GetBiome(biomeId).biomeTerrain.ComputeValue(x, y, val));
});
}
//else: TODO
//TODO: apply biome terrain modifiers to terrain
//TODO: apply biome terrain detail (caves / oth)
}
bool ValidateBlendedTerrainIntegrity()
{
BlendedBiomeTerrain terrain = node.inputBlendedTerrain;
if (terrain.biomeData == null || terrain.biomeData.biomeMap == null)
{
return(false);
}
foreach (var biome in terrain.biomes)
{
if (biome == null)
{
return(false);
}
}
return(true);
}
static IEnumerable <Texture2D> GenerateBiomeBlendMaps(BlendedBiomeTerrain b)
{
List <Texture2D> texs = new List <Texture2D>();
#if UNITY_EDITOR
Stopwatch sw = new Stopwatch();
sw.Start();
#endif
int chunkSize = b.terrain.size;
BiomeMap2D biomeMap = b.biomeMap;
int textureCount = 0;
foreach (var kp in b.biomeTree.GetBiomes())
{
if (kp.Value.biomeSurfaces != null)
{
foreach (var layer in kp.Value.biomeSurfaces.biomeLayers)
{
textureCount += layer.slopeMaps.Count;
}
}
}
if (blackTexture == null || blackTexture.Length != chunkSize * chunkSize)
{
blackTexture = new Color[chunkSize * chunkSize];
}
for (int i = 0; i <= textureCount / 4; i++)
{
Texture2D tex = new Texture2D(chunkSize, chunkSize, TextureFormat.RGBA32, true, false);
tex.SetPixels(blackTexture);
tex.filterMode = FilterMode.Point;
tex.Apply();
texs.Add(tex);
}
for (int x = 0; x < chunkSize; x++)
{
for (int y = 0; y < chunkSize; y++)
{
var bInfo = biomeMap.GetBiomeBlendInfo(x, y);
if (bInfo.firstBiomeId == -1 || bInfo.secondBiomeId == -1)
{
continue;
}
//TODO: biome blening
int texIndex = bInfo.firstBiomeId / 4;
int texChan = bInfo.firstBiomeId % 4;
Color c = texs[texIndex].GetPixel(x, y);
c[texChan] = bInfo.firstBiomeBlendPercent;
texs[texIndex].SetPixel(x, y, c);
}
}
foreach (var tex in texs)
{
tex.Apply();
}
#if UNITY_EDITOR
sw.Stop();
// Debug.Log(sw.ElapsedMilliseconds + "ms taken to generate blend maps");
#endif
return(texs);
}
