|
public static LeafPVS ( |
||
| leaf | ||
| model | ||
| return | byte[] | |
/// <summary>
/// R_MarkLeaves
/// </summary>
private static void MarkLeaves()
{
if (_OldViewLeaf == _ViewLeaf && _NoVis.Value == 0)
{
return;
}
if (_IsMirror)
{
return;
}
_VisFrameCount++;
_OldViewLeaf = _ViewLeaf;
byte[] vis;
if (_NoVis.Value != 0)
{
vis = new byte[4096];
Common.FillArray <Byte>(vis, 0xff); // todo: add count parameter?
//memset(solid, 0xff, (cl.worldmodel->numleafs + 7) >> 3);
}
else
{
vis = Mod.LeafPVS(_ViewLeaf, Client.Cl.worldmodel);
}
Model world = Client.Cl.worldmodel;
for (int i = 0; i < world.numleafs; i++)
{
if (vis[i >> 3] != 0 & (1 << (i & 7)) != 0)
{
mnodebase_t node = world.leafs[i + 1];
do
{
if (node.visframe == _VisFrameCount)
{
break;
}
node.visframe = _VisFrameCount;
node = node.parent;
} while (node != null);
}
}
}
/// <summary>
/// SV_AddToFatPVS
/// The PVS must include a small area around the client to allow head bobbing
/// or other small motion on the client side. Otherwise, a bob might cause an
/// entity that should be visible to not show up, especially when the bob
/// crosses a waterline.
/// </summary>
private static void AddToFatPVS(ref Vector3 org, mnodebase_t node)
{
while (true)
{
// if this is a leaf, accumulate the pvs bits
if (node.contents < 0)
{
if (node.contents != Contents.CONTENTS_SOLID)
{
byte[] pvs = Mod.LeafPVS((mleaf_t)node, sv.worldmodel);
for (int i = 0; i < _FatBytes; i++)
{
_FatPvs[i] |= pvs[i];
}
}
return;
}
mnode_t n = (mnode_t)node;
mplane_t plane = n.plane;
float d = Vector3.Dot(org, plane.normal) - plane.dist;
if (d > 8)
{
node = n.children[0];
}
else if (d < -8)
{
node = n.children[1];
}
else
{ // go down both
AddToFatPVS(ref org, n.children[0]);
node = n.children[1];
}
}
}
static int PF_newcheckclient(int check)
{
// cycle to the next one
if (check < 1)
{
check = 1;
}
if (check > Server.svs.maxclients)
{
check = Server.svs.maxclients;
}
int i = check + 1;
if (check == Server.svs.maxclients)
{
i = 1;
}
edict_t ent;
for (; ; i++)
{
if (i == Server.svs.maxclients + 1)
{
i = 1;
}
ent = Server.EdictNum(i);
if (i == check)
{
break; // didn't find anything else
}
if (ent.free)
{
continue;
}
if (ent.v.health <= 0)
{
continue;
}
if (((int)ent.v.flags & EdictFlags.FL_NOTARGET) != 0)
{
continue;
}
// anything that is a client, or has a client as an enemy
break;
}
// get the PVS for the entity
Vector3 org = Common.ToVector(ref ent.v.origin) + Common.ToVector(ref ent.v.view_ofs);
mleaf_t leaf = Mod.PointInLeaf(ref org, Server.sv.worldmodel);
byte[] pvs = Mod.LeafPVS(leaf, Server.sv.worldmodel);
Buffer.BlockCopy(pvs, 0, _CheckPvs, 0, pvs.Length);
return(i);
}
