private void InitFrame(Camera cam)
{
foliage = terrain.TerrainData.Foliage;
terrainPosition = terrain.transform.position;
terrainSize = terrain.TerrainData.Geometry.Size;
treeDistance = terrain.TerrainData.Rendering.TreeDistance;
billboardStart = terrain.TerrainData.Rendering.BillboardStart;
cullVolumeBias = GRuntimeSettings.Instance.renderingDefault.cullVolumeBias;
if (terrain.TerrainData.Foliage.Trees != null)
{
prototypes = terrain.TerrainData.Foliage.Trees.Prototypes;
}
else
{
prototypes = new List <GTreePrototype>();
}
if (prototypeCache == null || prototypeCache.Length != prototypes.Count)
{
prototypeCache = new PrototypeCache[prototypes.Count];
}
for (int i = 0; i < prototypes.Count; ++i)
{
GTreePrototype p = prototypes[i];
PrototypeCache cache = prototypeCache[i];
bool valid = prototypes[i].IsValid;
cache.validation = valid;
if (valid)
{
cache.subMeshCount = p.sharedMesh.subMeshCount;
cache.canDrawInstanced = IsInstancingEnabledForAllMaterials(p);
cache.canDrawBillboardInstanced =
p.billboard != null &&
p.billboard.material != null &&
p.billboard.material.enableInstancing;
}
if (p.billboard != null)
{
cache.billboardMesh = GBillboardUtilities.GetMesh(p.billboard);
}
if (p.billboard != null && p.billboard.material != null)
{
if (cache.billboardImageTexcoords == null ||
cache.billboardImageTexcoords.Length != p.billboard.imageCount)
{
cache.billboardImageTexcoords = p.billboard.GetImageTexCoords();
}
Material mat = p.billboard.material;
mat.SetVectorArray(BILLBOARD_IMAGE_TEXCOORDS, cache.billboardImageTexcoords);
mat.SetInt(BILLBOARD_IMAGE_COUNT, p.billboard.imageCount);
}
prototypeCache[i] = cache;
}
enableInstancing = terrain.TerrainData.Rendering.EnableInstancing && SystemInfo.supportsInstancing;
normalizedToLocalMatrix = Matrix4x4.Scale(terrainSize);
localToWorldMatrix = terrain.transform.localToWorldMatrix;
normalizedToWorldMatrix = localToWorldMatrix * normalizedToLocalMatrix;
camera = cam;
if (frustum == null)
{
frustum = new Plane[6];
}
GFrustumUtilities.Calculate(camera, frustum, treeDistance);
if (nearFrustumCorners == null)
{
nearFrustumCorners = new Vector3[4];
}
if (farFrustumCorners == null)
{
farFrustumCorners = new Vector3[4];
}
if (batchContainer == null)
{
batchContainer = new Matrix4x4[BATCH_MAX_INSTANCE_COUNT];
}
if (billboardBatchContainer == null)
{
billboardBatchContainer = new Matrix4x4[BATCH_MAX_INSTANCE_COUNT];
}
if (!isWarningLogged)
{
for (int i = 0; i < prototypes.Count; ++i)
{
if (!prototypes[i].IsValid)
{
string msg = string.Format(
"Tree prototye {0}: " +
"The prototype is not valid, make sure you've assigned a prefab with correct mesh and materials setup.",
i);
Debug.LogWarning(msg);
}
if (enableInstancing && prototypes[i].IsValid)
{
if (!IsInstancingEnabledForAllMaterials(prototypes[i]))
{
string msg = string.Format(
"Tree prototype {0} ({1}): " +
"Instancing need to be enabled for all materials for the renderer to work at its best. " +
"Otherwise it will fallback to non-instanced for this prototype.",
i, prototypes[i].Prefab.name);
Debug.LogWarning(msg);
}
if (prototypes[i].billboard != null &&
prototypes[i].billboard.material != null &&
prototypes[i].billboard.material.enableInstancing == false)
{
string msg = string.Format(
"Tree prototype {0} ({1}): " +
"Instancing need to be enabled for billboard material for the renderer to work at its best. " +
"Otherwise it will fallback to non-instanced for this prototype when render billboards.",
i, prototypes[i].Prefab.name);
Debug.LogWarning(msg);
}
}
}
isWarningLogged = true;
}
}
private void InitFrame(Camera cam)
{
terrainPosition = terrain.transform.position;
terrainSize = terrain.TerrainData.Geometry.Size;
grassDistance = terrain.TerrainData.Rendering.GrassDistance;
cells = terrain.TerrainData.Foliage.GrassPatches;
willIgnoreCellLimit =
cellsData == null ||
GRuntimeSettings.Instance.isEditingFoliage;
if (cellsData == null || cellsData.Length != cells.Length)
{
cellsData = new GGrassPatchData[cells.Length];
}
for (int i = 0; i < cellsData.Length; ++i)
{
if (cellsData[i] == null)
{
cellsData[i] = new GGrassPatchData();
}
}
if (cellsNativeData == null || cellsNativeData.Length != cells.Length)
{
cellsNativeData = new GGrassPatchNativeData[cells.Length];
}
if (visibleCells == null)
{
visibleCells = new List <int>();
}
if (cellToProcess == null)
{
cellToProcess = new List <int>();
}
if (terrain.TerrainData.Foliage.Grasses != null)
{
prototypes = terrain.TerrainData.Foliage.Grasses.Prototypes;
if (propertyBlocks == null || propertyBlocks.Length != prototypes.Count)
{
propertyBlocks = new MaterialPropertyBlock[prototypes.Count];
}
}
else
{
prototypes = new List <GGrassPrototype>();
}
if (materialConfigurator == null)
{
materialConfigurator = System.Activator.CreateInstance <GSimpleGrassMaterialConfigurator>();
}
normalizedToLocalMatrix = Matrix4x4.Scale(terrainSize);
localToWorldMatrix = terrain.transform.localToWorldMatrix;
normalizedToWorldMatrix = localToWorldMatrix * normalizedToLocalMatrix;
camera = cam;
if (frustum == null)
{
frustum = new Plane[6];
}
GFrustumUtilities.Calculate(camera, frustum, grassDistance);
if (cellCullResults == null || cellCullResults.Length != cells.Length)
{
cellCullResults = new int[cells.Length];
}
if (cellCulledFrameCount == null || cellCulledFrameCount.Length != cells.Length)
{
cellCulledFrameCount = new int[cells.Length];
}
if (cellSqrDistanceToCam == null || cellSqrDistanceToCam.Length != cells.Length)
{
cellSqrDistanceToCam = new float[cells.Length];
}
if (cellWorldBounds == null || cellWorldBounds.Length != cells.Length)
{
cellWorldBounds = new Bounds[cells.Length];
for (int i = 0; i < cells.Length; ++i)
{
cellWorldBounds[i] = new Bounds()
{
center = normalizedToWorldMatrix.MultiplyPoint(cells[i].bounds.center),
size = normalizedToWorldMatrix.MultiplyVector(cells[i].bounds.size)
};
}
}
GUtilities.EnsureArrayLength(ref baseMeshes, prototypes.Count);
GUtilities.EnsureArrayLength(ref materials, prototypes.Count);
for (int i = 0; i < prototypes.Count; ++i)
{
baseMeshes[i] = prototypes[i].GetBaseMesh();
materials[i] =
prototypes[i].Shape == GGrassShape.DetailObject ?
prototypes[i].DetailMaterial :
GGrassMaterialProvider.GetMaterial(terrain.TerrainData.Foliage.EnableInteractiveGrass, prototypes[i].IsBillboard);
}
}
