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-   -   Nade aiming is a tad high (http://forums.bots-united.com/showthread.php?t=5704)

Austin 14-09-2006 11:28
Nade aiming is a tad high
 
I noticed that most of the time the bot throws a nade right at me but too high. This is running with version 2006.9.3.0.

Is there a way to make them use the he nade more often?

KWo 14-09-2006 14:10
Re: Nade aiming is a tad high
 
Yes - that's true - they aim a bit too high.
If You want to see them using nades more often - just use CSDM with auto nades equiping - take All-In-One. Then You can see how they use nades. :)
The nades usages is depanding of the situation. If You really need I can quote You some part of code to show all conditions. :)

Austin 14-09-2006 21:45
Re: Nade aiming is a tad high
 
Quote:
Originally Posted by KWo (Post 51593)
Yes - that's true - they aim a bit too high.
If You want to see them using nades more often - just use CSDM with auto nades equiping - take All-In-One. Then You can see how they use nades. :)
The nades usages is depanding of the situation. If You really need I can quote You some part of code to show all conditions. :)
KWo,
I wasn't looking to have them have more nades per rounds.
I was looking to have them use the one he nade they have more often.
In a round with 30 bots maybe only 4 of them will use the nade on any round.
Yes, I will be asking you about the source here soon!
TX!

KWo 15-09-2006 09:27
Re: Nade aiming is a tad high
 
Somewhere in BotSetConditions in bot.cpp:
Code:
  // Check if throwing a Grenade is a good thing to do...
  if ((pBot->f_grenade_check_time < gpGlobals->time) && (!bUsingGrenade) && (!g_bIgnoreEnemies)
      && (!pBot->bIsReloading) && (pBot->current_weapon.iId != CS_WEAPON_INSWITCH)
      && (!g_b_cv_jasonmode) && (g_i_botthink_index == g_iFrameCounter)) // KWo - 25.06.2006
  {
      // Check again in some seconds
      pBot->f_grenade_check_time = gpGlobals->time + g_f_cv_timer_grenade; // KWo - 06.04.2006

      int weapons = pBot->pEdict->v.weapons; // KWo - 21.03.2006
      bool bWantThrowFlashbang = FALSE; // KWo - 21.03.2006
      if ((pBot->current_weapon.iId != CS_WEAPON_HEGRENADE) && (weapons & (1 << CS_WEAPON_FLASHBANG))) // KWo - 20.06.2006
        bWantThrowFlashbang = BotCheckCorridor(pBot); // KWo - 21.03.2006

      if (bWantThrowFlashbang) // KWo - 21.03.2006
      {
        bool bThrowGrenade = TRUE;
        Vector vec_mov_dir;
        Vector v_dest;
        Vector vecSource;
//        UTIL_ServerPrint ("[Debug] Bot %s wants to throw a flashbang .\n", pBot->name);
        if ((pBot->prev_wpt_index[0]<0) || (pBot->prev_wpt_index[0] >= g_iNumWaypoints))
            bThrowGrenade = FALSE;
        if (bThrowGrenade)
        {
            vec_mov_dir = (pBot->wpt_origin - paths[pBot->prev_wpt_index[0]]->origin).Normalize();
            vec_mov_dir = vec_mov_dir * 500;
            v_dest = pBot->wpt_origin + vec_mov_dir;

            if (NumTeammatesNearPos (pBot, v_dest, 256) > 0)
            {
              bThrowGrenade = FALSE;
            }
            else
            {
              pBot->vecThrow = v_dest;
            }
        }
        if (bThrowGrenade)
        {
            pBot->iStates |= STATE_THROWFLASHBANG;
            bottask_t TempTask = {NULL, NULL, TASK_THROWFLASHBANG, TASKPRI_THROWGRENADE, -1, gpGlobals->time + 3.0, FALSE};
            BotPushTask (pBot, &TempTask);
            pBot->f_grenade_check_time = gpGlobals->time + 3.0;
        }
        else
            pBot->iStates &= ~STATE_THROWFLASHBANG;
      }
      else if (!FNullEnt (pBot->pLastEnemy))
      {
        if (IsAlive (pBot->pLastEnemy)) // KWo - 06.08.2006
        {
            // Check if we have Grenades to throw
            int iGrenadeType = BotCheckGrenades (pBot);

            // If we don't have grenades no need to check
            // it this round again -
            // KWo - wrong - how about CSDM? ;)

            if ((iGrenadeType = CS_WEAPON_HEGRENADE) || (iGrenadeType = CS_WEAPON_SMOKEGRENADE)) // KWo - 21.03.2006
            {
              edict_t *pEnemy = pBot->pLastEnemy;
              Vector v_distance = pBot->vecLastEnemyOrigin - pEdict->v.origin;
              f_distance = v_distance.Length ();

              // Too high to throw ?
              if (pEnemy->v.origin.z > pEdict->v.origin.z + 500.0)
                  f_distance = 9999;

              // Enemy within a good Throw distance ?
              if ((f_distance > 400) && (f_distance < 1600))
              {
                  Vector v_enemypos;
                  Vector vecSource;
                  Vector v_dest;
                  TraceResult tr;
                  bool bThrowGrenade = TRUE;
                  Vector vecPredict;
                  float fRandom = RANDOM_FLOAT(0.0,100.0);

                  if ((weapons & (1 << CS_WEAPON_HEGRENADE)) && (weapons & (1 << CS_WEAPON_SMOKEGRENADE)))
                  {
                    if ((fRandom > 20) || (pBot->current_weapon.iId == CS_WEAPON_HEGRENADE)) // KWo - 20.06.2006
                        iGrenadeType = CS_WEAPON_HEGRENADE;
                    else
                        iGrenadeType = CS_WEAPON_SMOKEGRENADE;
                  }
                  if ((weapons & (1 << CS_WEAPON_HEGRENADE)) && !(weapons & (1 << CS_WEAPON_SMOKEGRENADE)))
                    iGrenadeType = CS_WEAPON_HEGRENADE;
                  if (!(weapons & (1 << CS_WEAPON_HEGRENADE)) && (weapons & (1 << CS_WEAPON_SMOKEGRENADE)))
                    iGrenadeType = CS_WEAPON_SMOKEGRENADE;

                  // Care about different Grenades
                  switch (iGrenadeType)
                  {
                  case CS_WEAPON_HEGRENADE:
                    if (NumTeammatesNearPos (pBot, pBot->pLastEnemy->v.origin, 256) > 0)
                        bThrowGrenade = FALSE;
                    else
                    {
//                        vecPredict = pBot->pLastEnemy->v.velocity * 0.5;
                        vecPredict = pBot->pLastEnemy->v.velocity * f_distance / 400.0;  // KWo - 18.06.2006
                        vecPredict.z = 0.0;
                        vecPredict = vecPredict + pBot->pLastEnemy->v.origin;

                        bThrowGrenade = TRUE;

                        pBot->vecThrow = vecPredict;
                        vecSource = VecCheckThrow (pBot, GetGunPosition (pEdict), pBot->vecThrow, 1.0);

                        if (vecSource == g_vecZero)
                          vecSource = VecCheckToss (pEdict, GetGunPosition (pEdict), pBot->vecThrow);

                        if (vecSource == g_vecZero)
                        {
//                          UTIL_ServerPrint("[Debug] Bot %s failed with checking throw for he nades.\n", pBot->name);
                          bThrowGrenade = FALSE;
                        }
                    }

                    // Start throwing ?
                    if (bThrowGrenade)
                        pBot->iStates |= STATE_THROWHEGREN;
                    else
                        pBot->iStates &= ~STATE_THROWHEGREN;

                    break;

                  case CS_WEAPON_SMOKEGRENADE:
                    // Check if Enemy is directly facing us
                    // Don't throw if that's the case !!
                    if (bThrowGrenade && !FNullEnt (pBot->pBotEnemy))
                    {
                        if (GetShootingConeDeviation (pBot->pBotEnemy, &pEdict->v.origin) >= 0.9)
                          bThrowGrenade = FALSE;
                    }

// KWo - 25.06.2006 - rewritten a bit
                    vecSource = pBot->vecLastEnemyOrigin;
                    vecSource = vecSource - pEdict->v.velocity;

                    // Predict where the enemy is in 0.5 secs
                    if (!FNullEnt (pBot->pBotEnemy))
                        vecSource = vecSource + pBot->pBotEnemy->v.velocity * 0.5;

                    pBot->vecThrow = vecSource;
                    pBot->vecGrenade = VecCheckThrow  (pBot, GetGunPosition (pEdict), v_dest, 1.0);

                    if (pBot->vecGrenade == g_vecZero)
                        pBot->vecGrenade = VecCheckToss  (pEdict, GetGunPosition (pEdict), v_dest);

                    if (pBot->vecGrenade == g_vecZero)
                        bThrowGrenade = FALSE;


                    if (bThrowGrenade)
                        pBot->iStates |= STATE_THROWSMOKEGREN;
                    else
                        pBot->iStates &= ~STATE_THROWSMOKEGREN;

                    break;
                  }

                  bottask_t TempTask = {NULL, NULL, TASK_THROWHEGRENADE, TASKPRI_THROWGRENADE, -1, gpGlobals->time + 3.0, FALSE}; // KWo - 24.02.2006 TIME_GRENPRIME
                  if (bThrowGrenade) // KWo - 24.02.2006
                  {
                    pBot->f_grenade_check_time = gpGlobals->time + 3.0;
                  }
                  if (pBot->iStates & STATE_THROWHEGREN)
                    BotPushTask (pBot, &TempTask);
                  else if (pBot->iStates & STATE_THROWSMOKEGREN)
                  {
                    TempTask.iTask = TASK_THROWSMOKEGRENADE;
                    BotPushTask (pBot, &TempTask);
                  }
              }
              else
              {
                  pBot->iStates &= ~STATE_THROWHEGREN;
                  pBot->iStates &= ~STATE_THROWFLASHBANG;
                  pBot->iStates &= ~STATE_THROWSMOKEGREN;
              }
            }
            else
            {
              pBot->iStates &= ~STATE_THROWHEGREN;
              pBot->iStates &= ~STATE_THROWFLASHBANG;
              pBot->iStates &= ~STATE_THROWSMOKEGREN;
            }
        }
      }
  }
  else if (!bUsingGrenade)  // KWo - 22.03.2006
  {
      pBot->iStates &= ~STATE_THROWHEGREN;
      pBot->iStates &= ~STATE_THROWFLASHBANG;
      pBot->iStates &= ~STATE_THROWSMOKEGREN;
  }
This part is to take the decision about throwing, the rest is in the TASK_THROWHEGRENADE (in BotThinkFunction in bot.cpp).

[EDIT]
Something for Nova - Bold could be done better for 'code' part :(
[/EDIT]

Austin 03-10-2006 12:17
Re: Nade aiming is a tad high
 
KWo, the chage you made to nade throwing in 15c makes a big difference.
They now throw it right at me. One actually hit me in the face!
Good job!


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