#include <sourcemod>
#include <sdktools>
#include <sdkhooks>

public OnPluginStart()
{
  RegConsoleCmd("unblock", unblock);  
}

public Action:unblock(client, args) {
     if (Client_IsLookingAtWall(client)) {
         PrintToChatAll("Застрял");
     }
}

stock bool:Client_IsLookingAtWall(client, Float:distance=40.0) {

  decl Float:posEye[3], Float:posEyeAngles[3];
  new bool:isClientLookingAtWall = false;
   
  GetClientEyePosition(client,    posEye);
  GetClientEyeAngles(client,  posEyeAngles);
   
  posEyeAngles[0] = 0.0;

  new Handle:trace = TR_TraceRayFilterEx(posEye, posEyeAngles, CONTENTS_SOLID, RayType_Infinite, _smlib_TraceEntityFilter);
   
  if (TR_DidHit(trace)) {
    
   if (TR_GetEntityIndex(trace) > 0) {
    CloseHandle(trace);
    return false;
   }
    
   decl Float:posEnd[3];

   TR_GetEndPosition(posEnd, trace);
    
   if (GetVectorDistance(posEye, posEnd) <= distance) {
    isClientLookingAtWall = true;
   }
  }
   
  CloseHandle(trace);
   
  return isClientLookingAtWall;
}

public bool:_smlib_TraceEntityFilter(entity, contentsMask)
{
  return entity == 0;
}