/// <summary>
/// AddVegetationItem will add a new instance of a Vegetation Item to the persistent storage. Position, scale and rotation is in worldspace. The Optional clearCellCache will refresh the area where the item is added.
/// </summary>
/// <param name="vegetationItemID"></param>
/// <param name="worldPosition"></param>
/// <param name="scale"></param>
/// <param name="rotation"></param>
/// <param name="applyMeshRotation"></param>
/// <param name="vegetationSourceID"></param>
/// <param name="distanceFalloff"></param>
/// <param name="clearCellCache"></param>
public void AddVegetationItemInstance(string vegetationItemID, Vector3 worldPosition, Vector3 scale, Quaternion rotation, bool applyMeshRotation, byte vegetationSourceID, float distanceFalloff, bool clearCellCache = false)
{
if (!VegetationSystemPro || !PersistentVegetationStoragePackage)
{
return;
}
Rect positionRect = new Rect(new Vector2(worldPosition.x, worldPosition.z), Vector2.zero);
VegetationItemInfoPro vegetationItemInfo = VegetationSystemPro.GetVegetationItemInfo(vegetationItemID);
if (applyMeshRotation)
{
rotation *= Quaternion.Euler(vegetationItemInfo.RotationOffset);
}
List <VegetationCell> overlapCellList = new List <VegetationCell>();
VegetationSystemPro.VegetationCellQuadTree.Query(positionRect, overlapCellList);
for (int i = 0; i <= overlapCellList.Count - 1; i++)
{
int cellIndex = overlapCellList[i].Index;
if (clearCellCache)
{
VegetationItemIndexes indexes = VegetationSystemPro.GetVegetationItemIndexes(vegetationItemID);
VegetationSystemPro.ClearCache(overlapCellList[i], indexes.VegetationPackageIndex, indexes.VegetationItemIndex);
}
PersistentVegetationStoragePackage.AddVegetationItemInstance(cellIndex, vegetationItemID, worldPosition - VegetationSystemPro.VegetationSystemPosition, scale, rotation, vegetationSourceID, distanceFalloff);
}
}
private static void AddVegetationMaskToVegetationSystem(VegetationSystemPro vegetationSystem, BaseMaskArea maskArea)
{
vegetationSystem.CompleteCellLoading();
VegetationItemIndexes vegetationItemIndexes = new VegetationItemIndexes();
if (maskArea.VegetationItemID != "")
{
vegetationItemIndexes = vegetationSystem.GetVegetationItemIndexes(maskArea.VegetationItemID);
}
else
{
vegetationItemIndexes.VegetationPackageIndex = -1;
vegetationItemIndexes.VegetationItemIndex = -1;
}
Rect maskRect = RectExtension.CreateRectFromBounds(maskArea.MaskBounds);
if (vegetationSystem.VegetationCellQuadTree == null ||
vegetationSystem.BillboardCellQuadTree == null)
{
return;
}
List <VegetationCell> selectedCellList = new List <VegetationCell>();
vegetationSystem.VegetationCellQuadTree.Query(maskRect, selectedCellList);
if (vegetationItemIndexes.VegetationPackageIndex > -1)
{
for (int i = 0; i <= selectedCellList.Count - 1; i++)
{
selectedCellList[i]
.AddVegetationMask(
maskArea, vegetationItemIndexes.VegetationPackageIndex, vegetationItemIndexes.VegetationItemIndex);
}
List <BillboardCell> selectedBillboardCellList = new List <BillboardCell>();
vegetationSystem.BillboardCellQuadTree.Query(maskRect, selectedBillboardCellList);
for (int i = 0; i <= selectedBillboardCellList.Count - 1; i++)
{
selectedBillboardCellList[i].ClearCache(vegetationItemIndexes.VegetationPackageIndex, vegetationItemIndexes.VegetationItemIndex);
}
}
else
{
for (int i = 0; i <= selectedCellList.Count - 1; i++)
{
selectedCellList[i].AddVegetationMask(maskArea);
}
List <BillboardCell> selectedBillboardCellList = new List <BillboardCell>();
vegetationSystem.BillboardCellQuadTree.Query(maskRect, selectedBillboardCellList);
for (int i = 0; i <= selectedBillboardCellList.Count - 1; i++)
{
selectedBillboardCellList[i].ClearCache();
}
}
}
public VegetationItemSelector(VisibleVegetationCellSelector visibleVegetationCellSelector, VegetationSystemPro vegetationSystemPro, VegetationItemInfoPro vegetationItemInfoPro, bool useSpawnChance, float spawnChance, int spawnSeed)
{
_useSpawnChance = useSpawnChance;
_spawnChance = spawnChance;
_spawnSeed = spawnSeed;
_visibleVegetationCellSelector = visibleVegetationCellSelector;
_vegetationSystemPro = vegetationSystemPro;
VegetationItemID = vegetationItemInfoPro.VegetationItemID;
_vegetationItemIndexes = _vegetationSystemPro.GetVegetationItemIndexes(VegetationItemID);
_visibleVegetationCellSelector.OnVegetationCellVisibleDelegate += OnVegetationCellVisible;
_visibleVegetationCellSelector.OnVegetationCellInvisibleDelegate += OnVegetationCellInvisible;
_vegetationSystemPro.OnVegetationCellLoaded += OnVegetationCellLoaded;
InstanceList = new NativeList <ItemSelectorInstanceInfo>(512, Allocator.Persistent);
_removeVegetationCellIndexList = new NativeList <int>(64, Allocator.Persistent);
_visibilityChangedIndexList = new NativeList <int>(512, Allocator.Persistent);
}