void UpdateMeshDatas(BiomeMap2D biomes)
{
List <Vector4> blendInfos = new List <Vector4>();
for (int x = 0; x < chunkSize; x++)
{
for (int z = 0; z < chunkSize; z++)
{
Vector4 biomeInfo = Vector4.zero;
var biomePoint = biomes.GetBiomeBlendInfo(x, z);
biomeInfo.x = biomePoint.firstBiomeId;
biomeInfo.y = biomePoint.firstBiomeBlendPercent;
biomeInfo.z = biomePoint.secondBiomeId;
biomeInfo.w = biomePoint.secondBiomeBlendPercent;
blendInfos.Add(biomeInfo);
}
}
topDownTerrainMesh.SetUVs(1, blendInfos);
}
public override void OnNodeProcess()
{
if (mergedBiomeTerrain == null)
{
mergedBiomeTerrain = new FinalTerrain();
}
if (inputBlendedTerrain.biomeData == null)
{
Debug.LogError("[PWBiomeMerger] Can't find BiomeData, did you forgot to specify the BiomeGraph in a Biome node");
return;
}
var inputTerrain = inputBlendedTerrain.biomeData.GetSampler(BiomeSamplerName.terrainHeight);
finalTerrain = inputTerrain.Clone(finalTerrain);
if (finalTerrain.type == SamplerType.Sampler2D)
{
BiomeMap2D biomeMap = inputBlendedTerrain.biomeData.biomeMap;
(finalTerrain as Sampler2D).Foreach((x, y, val) => {
float ret = 0;
var biomeInfo = biomeMap.GetBiomeBlendInfo(x, y);
foreach (var biome in inputBlendedTerrain.biomes)
{
var terrain = biome.modifiedTerrain as Sampler2D;
if (terrain == null)
{
PWUtils.LogErrorMax("[PWNodeMerger] can't access to the terrain of the biome " + biome.id + "(" + biome.name + ")", 100);
continue;
}
//TODO: test this blending !
for (int i = 0; i < biomeInfo.length; i++)
{
if (biomeInfo.biomeIds[i] == biome.id)
{
ret += terrain[x, y] * biomeInfo.biomeBlends[i] / biomeInfo.totalBlend;
}
}
}
return(ret);
});
}
else if (finalTerrain.type == SamplerType.Sampler3D)
{
Debug.Log("TODO: 3D Terrains");
}
mergedBiomeTerrain.biomeData = inputBlendedTerrain.biomeData;
mergedBiomeTerrain.mergedTerrain = finalTerrain;
mergedBiomeTerrain.materializerType = mainGraphRef.materializerType;
mergedBiomeTerrain.biomeSurfacesList.Clear();
foreach (var biome in inputBlendedTerrain.biomes)
{
if (mergedBiomeTerrain.biomeSurfacesList.ContainsKey(biome.id))
{
Debug.LogError("[PWBiomeMerger] Duplicate biome in the biome graph: " + biome.name + ", id: " + biome.id);
}
mergedBiomeTerrain.biomeSurfacesList[biome.id] = biome.biomeSurfaceGraph;
}
update = 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);
}