When checking function signatures, look at the header, not the cpp

Sent from my iPhone

On 12 Oct 2010, at 03:10, Nick <xnicho...@gmail.com> wrote:

> So i guess the solution is to disable tripmines compleletely?
> 
> I just did some more digging (gdb is still active on crashed process).
> It seems that in grenade_ tripmine, (and evwhere else)
> VPhysicsInitNormal is called with 3 arguments. But in
> baseentity_shared.cpp (only place coded) VPhysicsInitNormal has 4
> arguments? I am more confused. I guess somewhere VPhysicsInitNormal is
> overided, but it is hard to debug?
> 
> 
> 
> 
> (gdb) print GetSolidFlags()
> $5 = 8
> (gdb) print m_pPhysicsObject
> $6 = (IPhysicsObject *) 0x0
> 
> (gdb) print VPhysicsInitNormal( SOLID_BBOX, GetSolidFlags() |
> FSOLID_TRIGGER, true )
> too few arguments in function call
> 
> 
> src\game\shared\baseentity_shared.cpp == stock valve code (4 arguments)
> IPhysicsObject *CBaseEntity::VPhysicsInitNormal( SolidType_t
> solidType, int nSolidFlags, bool createAsleep, solid_t *pSolid )
> {
> 
> src\game\server\hl2mp\grenade_tripmine.cpp:: line 77 ( 3 arguments )
> IPhysicsObject *pObject = VPhysicsInitNormal( SOLID_BBOX,
> GetSolidFlags() | FSOLID_TRIGGER, true );
> 
> 
> 
> On Mon, Oct 11, 2010 at 8:17 PM, Tony Paloma <drunkenf...@hotmail.com> wrote:
>> VPhysicsInitNormal is not guaranteed to return non-null. It can fail for a
>> variety of reasons. Take a look at CBaseEntity::VPhysicsInitNormal in
>> baseentity_shared.cpp to see.
>> 
>> -----Original Message-----
>> From: hlcoders-boun...@list.valvesoftware.com
>> [mailto:hlcoders-boun...@list.valvesoftware.com] On Behalf Of Nick
>> Sent: Monday, October 11, 2010 6:00 PM
>> To: Discussion of Half-Life Programming
>> Subject: [hlcoders] void CTripmineGrenade::Spawn( void ) linux crash
>> orangebox stock code.......
>> 
>> gcc (GCC) 4.2.4
>> 
>> Linux dual-core 2.6.28-19-generic #65-Ubuntu SMP Thu Sep 16 14:14:28 UTC
>> 2010 i686 GNU/Linux
>> 
>> n...@dual-core:~/srcds/orangebox/orangebox$ ./srcds_i486 --version
>> Warning: falling back to auto detection of vproject directory.
>> Unable to find gameinfo.txt. Solutions:
>> 
>> 1. Read http://www.valve-erc.com/srcsdk/faq.html#NoGameDir
>> 
>> 
>> 
>> 
>> 
>> ldd server_i486.so
>>        linux-gate.so.1 =>  (0xb7784000)
>>        libm.so.6 => /lib/tls/i686/cmov/libm.so.6 (0xb6457000)
>>        libdl.so.2 => /lib/tls/i686/cmov/libdl.so.2 (0xb6453000)
>>        tier0_i486.so => not found
>>        vstdlib_i486.so => not found
>>        steam_api_i486.so => not found
>>        libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb62ef000)
>>        /lib/ld-linux.so.2 (0xb7785000)
>> 
>> 
>> 
>> 
>> 69      void CTripmineGrenade::Spawn( void )
>> 70      {
>> 71              Precache( );
>> 72              // motor
>> (gdb) l
>> 73              SetMoveType( MOVETYPE_FLY );
>> 74              SetSolid( SOLID_BBOX );
>> 75              SetModel( "models/Weapons/w_slam.mdl" );
>> 76
>> 77          IPhysicsObject *pObject = VPhysicsInitNormal( SOLID_BBOX,
>> GetSolidFlags() | FSOLID_TRIGGER, true );
>> 78              pObject->EnableMotion( false );
>> 79              SetCollisionGroup( COLLISION_GROUP_WEAPON );
>> 80
>> 81              SetCycle( 0.0f );
>> 82              m_nBody                 = 3;
>> 
>> 
>> 
>> (gdb) bt
>> #0  0xb520b112 in CTripmineGrenade::Spawn (this=0xbdf5bf0) at
>> ../game/server/hl2mp/grenade_tripmine.cpp:78
>> #1  0xb4ef5d39 in DispatchSpawn (pEntity=0xbdf5bf0) at
>> ../game/server/util.cpp:1880
>> #2  0xb4d0d348 in CBaseEntity::Create (szName=0xb53ba629 "npc_tripmine",
>> vecorig...@0xbfbedfac, vecangl...@0xbfbedf54,
>> pOwner=0x0)
>>    at ../game/server/baseentity.cpp:2976
>> #3  0xb5064b4e in CWeapon_SLAM::TripmineAttach (this=0xbdf28d8) at
>> ../game/server/../shared/hl2mp/weapon_slam.cpp:381
>> #4  0xb5064d70 in CWeapon_SLAM::WeaponIdle (this=0xbdf28d8) at
>> ../game/server/../shared/hl2mp/weapon_slam.cpp:875
>> #5  0xb5063c16 in CWeapon_SLAM::ItemPostFrame (this=0xbdf28d8) at
>> ../game/server/../shared/hl2mp/weapon_slam.cpp:789
>> #6  0xb4fa108d in CBasePlayer::ItemPostFrame (this=0xbdd0810) at
>> ../game/server/../shared/baseplayer_shared.cpp:229
>> #7  0xb50af8f1 in CHL2_Player::ItemPostFrame (this=0xbdd0810) at
>> ../game/server/hl2/hl2_player.cpp:3588
>> #8  0xb4e5b3a9 in CBasePlayer::PostThink (this=0xbdd0810) at
>> ../game/server/player.cpp:4436
>> #9  0xb50b4643 in CHL2_Player::PostThink (this=0xbdd0810) at
>> ../game/server/hl2/hl2_player.cpp:891
>> #10 0xb5205732 in CHL2MP_Player::PostThink (this=0xbdd0810) at
>> ../game/server/hl2mp/hl2mp_player.cpp:998
>> #11 0xb4e68a5e in CPlayerMove::RunPostThink (this=0xb56a56b8,
>> player=0xbdd0810) at ../game/server/player_command.cpp:302
>> #12 0xb4e69a6c in CPlayerMove::RunCommand (this=0xb56a56b8,
>> player=0xbdd0810, ucmd=0xbdeddac, moveHelper=0xb566cae8)
>>    at ../game/server/player_command.cpp:424
>> 
>> 
>> 
>> 
>> (gdb) print pObject
>> $3 = (IPhysicsObject *) 0x0
>> (gdb) print this
>> $4 = (CTripmineGrenade * const) 0xbdf5bf0
>> (gdb)
>> 
>> 
>> how on earth is pObject null when it was just created?
>> 
>> 77          IPhysicsObject *pObject = VPhysicsInitNormal( SOLID_BBOX,
>> GetSolidFlags() | FSOLID_TRIGGER, true );
>> 78              pObject->EnableMotion( false );
>> 
>> src\game\server\hl2mp\grenade_tripmine.cpp
>> 
>> 
>> I am really really lost here.
>> 
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