// Find,
/// <summary>
/// Find object on screen
/// </summary>
/// <param name="findshader">The shader to use for the find</param>
/// <param name="glstate">Render state</param>
/// <param name="pos">Position on screen of find point</param>
/// <param name="size">Screen size</param>
/// <returns>Returns null, or
/// item1 = return the list of blocks
/// item2 = the found block
/// item3 = the index within that found block
/// item4 = the total index into the data (summed up)
/// item5 = the z of the find
///</returns>
public Tuple <List <GLObjectsWithLabels.BlockRef>, int, int, int, float> FindBlock(GLShaderPipeline findshader, GLRenderState glstate, Point pos, Size size)
{
var ret = Find(findshader, glstate, pos, size); // return set, group, index, z
if (ret != null)
{
GLObjectsWithLabels s = set[ret.Item1]; // this is set
var fb = BlockList.Find(x => x.Find(y => y.owl == s && y.blockindex == ret.Item2) != null); // find (set,blockindex) in block list
if (fb != null)
{
int c = 0;
foreach (var br in fb) // until we get to owl/blockindex, count previous block counts so we get a cumulative total
{
if (br.owl == s && br.blockindex == ret.Item2)
{
break;
}
c += br.count;
}
return(new Tuple <List <GLObjectsWithLabels.BlockRef>, int, int, int, float>(fb, ret.Item2, ret.Item3, c + ret.Item3, ret.Item4)); // return block list, and real index into it
}
}
return(null);
}
private void AddSet() // add a new set
{
var owl = new GLObjectsWithLabels();
var ris = owl.Create(textures, estimateditemspergroup, mingroups, objectbuffer, objectvertexescount, objrc, objpt, texturesize, textrc, textureformat, limittexturedepth);
robjects.Add(objectshader, name + "O" + (setnumber).ToStringInvariant(), ris.Item1);
robjects.Add(textshader, name + "T" + (setnumber++).ToStringInvariant(), ris.Item2);
set.Add(owl);
}