public bool TerrainLoaded(UnityEngine.Terrain setting, float detailDistance)
{
var data = setting.terrainData;
var detailResolution = data.detailResolution;
var heightMapResolution = data.heightmapResolution;
var prototypes = data.detailPrototypes;
var detailCount = prototypes.Length;
var division = Mathf.CeilToInt(detailResolution / (float)_detailNodeSize);
if (!Helper.AlmostEqual(detailResolution, division * _detailNodeSize))
{
return(false);
}
var detailData = new List <int[, ]>();
if (_instancingDraw == null)
{
_instancingDraw = new DetailInstancingDraw[detailCount];
}
List <DividedDetailProperty> detailProps = new List <DividedDetailProperty>();
for (int i = 0; i < detailCount; ++i)
{
detailData.Add(data.GetDetailLayer(0, 0, detailResolution, detailResolution, i));
detailProps.Add(new DividedDetailProperty(data, prototypes[i], _detailNodeSize, i));
if (_instancingDraw[i] == null)
{
var renderer = new InstancingRenderer(prototypes[i]);
_instancingDraw[i] = new DetailInstancingDraw(renderer, VisibilityShader, setting, data);
}
}
var nodeSize = new Vector2(data.size.x / division, data.size.z / division);
var cluster = new GpuInstancingNodeCluster <GpuInstancingDetailNode>();
cluster.InitDivision(setting.transform.position, nodeSize, division, division, detailDistance);
cluster.InitHeightMap(data.GetHeights(0, 0, heightMapResolution, heightMapResolution), data.size.y);
cluster.TerrainName = setting.name;
_data.SetGridParam(data.size.x, detailDistance, nodeSize);
_terrainProperty = new TerrainProperty(setting, data, detailDistance);
for (int x = 0; x < division; ++x)
{
for (int z = 0; z < division; ++z)
{
var node = new GpuInstancingDetailNode();
node.TerrainName = setting.name;
node.X = x;
node.Z = z;
node.SetInstantiationShader(_instantiationShader);
node.SetShaderProperty(_terrainProperty, detailProps);
node.InitCountInUnit(detailData, x, z, _detailNodeSize);
cluster.AddNode(x, z, node);
cluster.UpdateMaxCountInLayer(node);
}
}
_data.AddCluster(cluster);
return(true);
}
public bool TerrainLoaded(UnityEngine.Terrain setting, float detailDistance, Vector3 basePos, float[,] heightMap)
{
var data = setting.terrainData;
var detailResolution = data.detailResolution;
var prototypes = data.detailPrototypes;
var detailCount = prototypes.Length;
var division = Mathf.CeilToInt(detailResolution / (float)_nodeSize);
if (!Helper.AlmostEqual(detailResolution, division * _nodeSize))
{
_logger.WarnFormat("unmatch param in detail: detailResolution -> {0}, unitSize -> {1}, division -> {2}",
detailResolution, _nodeSize, division);
return(false);
}
if (detailCount == 0)
{
_logger.Warn("no grass prototypes exists");
return(false);
}
var detailData = new List <int[, ]>();
if (_instancingDraw == null)
{
_instancingDraw = new DetailInstancingDraw[detailCount];
}
List <DividedDetailProperty> detailProps = new List <DividedDetailProperty>();
float nodeMargin = float.MinValue;
for (int i = 0; i < detailCount; ++i)
{
detailData.Add(data.GetDetailLayer(0, 0, detailResolution, detailResolution, i));
detailProps.Add(new DividedDetailProperty(prototypes[i], _nodeSize, i));
if (_instancingDraw[i] == null)
{
var renderer = new InstancingRenderer(prototypes[i]);
nodeMargin = Mathf.Max(nodeMargin, renderer.SphereRadius);
_instancingDraw[i] = new DetailInstancingDraw(renderer, VisibilityShader, SortShader, setting, data, basePos);
}
}
var nodeSize = new Vector2(data.size.x / division, data.size.z / division);
var cluster = new GpuInstancingNodeCluster <GpuInstancingDetailNode>();
cluster.InitDivision(basePos, nodeSize, division, division, detailDistance);
cluster.InitHeightMap(heightMap, data.size.y, nodeMargin);
cluster.TerrainName = setting.name;
_data.SetGridParam(data.size.x, detailDistance, nodeSize);
_terrainProperty = new TerrainProperty();
_terrainProperty.InitForDetail(setting, data, detailDistance, basePos);
for (int x = 0; x < division; ++x)
{
for (int z = 0; z < division; ++z)
{
var node = new GpuInstancingDetailNode();
node.TerrainName = setting.name;
node.X = x;
node.Z = z;
node.SetInstantiationShader(_instantiationShader);
node.SetShaderProperty(_terrainProperty, detailProps);
node.InitCountInUnit(detailData, x, z, _nodeSize);
cluster.AddNode(x, z, node);
cluster.UpdateMaxCountInLayer(node);
}
}
_data.AddCluster(cluster);
return(true);
}
