Find Nearest Object/Wall & Z value of floor @ point?

[Xanathol]

Ok, so I gave it a few runs, tried to add in debug messages to figure out what was going wrong, but have to throw in the towel and see if you guys can spot what I am doing wrong here. Here is the sample code I wrote for the Hate Step effect ( recall - warps a character forward in the direction they are facing x distance; its an SK AA on live ).

			case SE_ShadowStepDirectional:
			{
				double look_heading = GetHeading();
				look_heading /= 256;
				look_heading *= 360;
				look_heading += 180;
				if(look_heading > 360)
					look_heading -= 360;

				// note: x and y are backwards
                                // the -8 is just a multiplier to increase the distance I arbitrarily picked, nothing more
				double new_x = ( spells[spell_id].base[i] * -8 ) * sin(double(look_heading * 0.017453289 ));
				double new_y = ( spells[spell_id].base[i] * -8 ) * cos(double(look_heading * 0.017453289 ));
				double new_z = GetZ( );

				// try to see if a zone wall is in the way
				VERTEX	start, end, result;
				FACE	*triangle	= NULL;

				start.x		= GetX( );
				start.y		= GetY( );
				start.z		= GetZ( );
				end.x		= GetX( ) + new_x;
				end.y		= GetY( ) + new_y;
				end.z		= GetZ( );

				bool	b = zone->zonemap->LineIntersectsZone( start, end, 1.0f, &result, &triangle );
				Message(15, "Debug: result is %s: %lf %lf %lf", ( b == true ? "true" : "false" ), result.x, result.y, result.z );
				if( b )
				{	// result should give us the point we hit
					Message(15, "Debug: intersect @ %lf %lf %lf", result.x, result.y, result.z );
					new_x	= result.x;
					new_y	= result.y;
				}
				else
				{	// otherwise, set new_* to values we wanted to use
					new_x	+= GetX( );
					new_y	+= GetY( );
					Message(15, "Debug: used2 x,y %lf %lf", new_x, new_y );
				}
				// now lets find the z-axis value
				VERTEX	org;
				org.x	= new_x;
				org.y	= new_y;
				org.z	= GetZ( );
				Message(15, "Debug: old z %lf", org.z );
				//new_z	= zone->zonemap->FindBestZ( MAP_ROOT_NODE, org, &result, &triangle );
				new_z	= org.z - zone->zonemap->FindClosestZ( org );
				Message(15, "Debug: new z %lf", new_z );

                                // I have no idea why, but I had to double the GetHeading return value for this function to work for me, hence the *2
				CastToClient()->MovePC( zone->GetZoneID(), zone->GetInstanceID(), new_x, new_y, new_z, GetHeading( ) *2, 0, PCStep );
				Message(15, "%s %s", GetName(), spells[spell_id].cast_on_other );

Thus far, I still go into / through walls and seem to always get returned a 0 from FindBestZ ( note - I've been testing int he Arena ), either implementation, while the 'real Z' shown by a #loc command can be vastly different, plus or minus.


I can paste in some of the logs too if that helps, but I figured it may be hard to envision in pure numbers when one is in a wall or not...

Anything stand out as to what I am doing wrong? Seems like a rather simple thing to implement but I put no limits as to what I can screw up!