Method CalcNewDir

src/SB/Game/zNPCGoalStd.cpp:847–903

Equivalent: regalloc

// Equivalent: regalloc
void zNPCGoalWander::CalcNewDir()
{
    zNPCCommon* npc = (zNPCCommon*)psyche->clt_owner;
    xVec3 direction;
    xVec3* player_pos;
    xVec3* npc_pos;

    F32 dVar4 = NPCC_aimVary(&dir_cur, xEntGetPos(npc), &pos_home, rad_wand, 0, NULL);
    if (npc->flg_move & (1 << 1))
    {
        dir_cur.y = 0.0f;
    }
    if (dVar4 < rad_wand)
    {
        npc_pos = xEntGetPos(npc);
        player_pos = xEntGetPos(&globals.player.ent);
        xVec3Sub(&direction, player_pos, npc_pos);

        F32 length = xVec3Length(&direction);
        if (length < 1.0f)
        {
            xVec3Copy(&direction, NPCC_rightDir(&globals.player.ent));
            if ((xrand() & 0x800000) != 0)
            {
                xVec3SMulBy(&direction, -1.0f);
            }
        }
        else if (length < 10.0f)
        {
            xVec3SMulBy(&direction, -1.0f / length);
        }
        else
        {
            xVec3Copy(&direction, &g_O3);
        }
    }
    else
    {
        xVec3Copy(&direction, &g_O3);
    }

    xVec3AddTo(&dir_cur, &direction);
    xVec3Normalize(&dir_cur, &dir_cur);
    dVar4 = MAX(0.5f, dVar4);
    F32 dVar6 = npc->cfg_npc->spd_moveMax;
    F32 dVar5 = rad_wand * xurand() + dVar4;
    if (dVar6 < 0.5f)
    {
        tmr_minwalk = 0.25f * dVar4;
        tmr_newdir = 0.25f * dVar5;
    }
    else
    {
        tmr_minwalk = dVar4 / dVar6;
        tmr_newdir = dVar5 / dVar6;
    }
}