public static void DrawVegetationItemSelector(VegetationSystemPro vegetationSystemPro, VegetationPackagePro vegetationPackage, ref int selectedGridIndex, ref int vegIndex, ref int selectionCount, VegetationItemTypeSelection vegetationItemTypeSelection, int imageSize)
{
if (vegetationPackage == null)
{
return;
}
//AssetPreview.SetPreviewTextureCacheSize(100 + vegetationPackage.VegetationInfoList.Count);
AssetPreview.SetPreviewTextureCacheSize(100 + vegetationSystemPro.GetMaxVegetationPackageItemCount());
List <int> vegetationItemIndexList = new List <int>();
for (int i = 0;
i <= vegetationPackage.VegetationInfoList.Count - 1;
i++)
{
VegetationItemInfoPro vegetationItemInfo = vegetationPackage.VegetationInfoList[i];
switch (vegetationItemTypeSelection)
{
case VegetationItemTypeSelection.AllVegetationItems:
vegetationItemIndexList.Add(i);
break;
case VegetationItemTypeSelection.LargeItems:
if (vegetationItemInfo.VegetationType == VegetationType.Objects ||
vegetationItemInfo.VegetationType == VegetationType.LargeObjects ||
vegetationItemInfo.VegetationType == VegetationType.Tree)
{
vegetationItemIndexList.Add(i);
}
break;
case VegetationItemTypeSelection.Grass:
if (vegetationItemInfo.VegetationType == VegetationType.Grass)
{
vegetationItemIndexList.Add(i);
}
break;
case VegetationItemTypeSelection.Plants:
if (vegetationItemInfo.VegetationType == VegetationType.Plant)
{
vegetationItemIndexList.Add(i);
}
break;
case VegetationItemTypeSelection.Trees:
if (vegetationItemInfo.VegetationType == VegetationType.Tree)
{
vegetationItemIndexList.Add(i);
}
break;
case VegetationItemTypeSelection.Objects:
if (vegetationItemInfo.VegetationType == VegetationType.Objects)
{
vegetationItemIndexList.Add(i);
}
break;
case VegetationItemTypeSelection.LargeObjects:
if (vegetationItemInfo.VegetationType == VegetationType.LargeObjects)
{
vegetationItemIndexList.Add(i);
}
break;
}
}
selectionCount = vegetationItemIndexList.Count;
VegetationInfoComparer vIc = new VegetationInfoComparer
{
VegetationInfoList = vegetationPackage.VegetationInfoList
};
vegetationItemIndexList.Sort(vIc.Compare);
GUIContent[] imageButtons = new GUIContent[vegetationItemIndexList.Count];
for (int i = 0; i <= vegetationItemIndexList.Count - 1; i++)
{
if (vegetationPackage.VegetationInfoList[vegetationItemIndexList[i]].PrefabType == VegetationPrefabType.Mesh)
{
imageButtons[i] = new GUIContent
{
image = AssetPreviewCache.GetAssetPreview(vegetationPackage.VegetationInfoList[vegetationItemIndexList[i]].VegetationPrefab)
};
}
else
{
imageButtons[i] = new GUIContent
{
image = AssetPreviewCache.GetAssetPreview(vegetationPackage.VegetationInfoList[vegetationItemIndexList[i]].VegetationTexture)
};
}
}
int imageWidth = imageSize;
int columns = Mathf.FloorToInt((EditorGUIUtility.currentViewWidth - 50) / imageWidth);
int rows = Mathf.CeilToInt((float)imageButtons.Length / columns);
int gridHeight = (rows) * imageWidth;
if (selectedGridIndex > imageButtons.Length - 1)
{
selectedGridIndex = 0;
}
if (imageButtons.Length > 0)
{
selectedGridIndex = GUILayout.SelectionGrid(selectedGridIndex, imageButtons, columns, GUILayout.MaxWidth(columns * imageWidth), GUILayout.MaxHeight(gridHeight));
}
vegIndex = vegetationItemIndexList.Count > selectedGridIndex ? vegetationItemIndexList[selectedGridIndex] : 0;
}