[XDglory]

I'm modifying a plugin that spawns special infected by picking several random spot near survivors, then fires TraceRay to check if there is a wall or obstacle between that spot and survivors.
However, when it comes to iron fence like those are near c2m1's motel or those surround c2m2's ticket booth, TraceRay still can't penetrate those fence, which lead to zombie spawning in sight.
Hence, if there any solution to get the entity's name that TraceRay hit so that iron fence could be an exception of none-line-of-sight?

PS 1. I've tried using

TR_GetEntityIndex()

and

GetEdictClassname()

, it only returns player(when TraceRay hit player) and worldspawn(hit any kind of wall or something).

PS 2. Method

GetEntProp(client, Prop_Send, "m_hasVisibleThreats")

seems impractical because it needs about 0.5~1 second to return the correct spawn state, which is not a reasonable solution in finding valid spot rapidly.

PS 3. I found this post talking almost exactly the same thing I encountered, so maybe TraceRay is kind of useless on this situation?
https://forums.alliedmods.net/showpo...15&postcount=6

[andi67]

There are more functions see here:
http://www.sourcemod.net/new-api/sdktools_trace

In your case you could try TR_GetSurfaceName

[XDglory]

Thanks for your reply, will try after upgrading to Sourcemod 1.10

[XDglory]

Originally Posted by andi67 There are more functions see here: http://www.sourcemod.net/new-api/sdktools_trace In your case you could try TR_GetSurfaceName

After several testing, function "TR_GetSurfaceName" returns similar result to "GetEdictClassname" does, which means both functions consider the wire mesh as a part of the map.

However, I found the following function which is able to return a unique prop number(43) of wire meshes, even though they might be in different size.

/**
 * Returns the surface properties index of the surface that was hit.
 *
 * @param hndl          A trace Handle, or INVALID_HANDLE to use a global trace result.
 * @return              Surface props.
 * @error               Invalid Handle.
 */
native int TR_GetSurfaceProps(Handle hndl=INVALID_HANDLE);

Thanks for your hint!