Possibly custom grenades?

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  1. 03-06-10 #1
    PenguinGuy
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    Possibly custom grenades?

    When you throw a grenade, it's just a regular grenade, correct?
    When you throw a smoke grenade, again it's just a regular smoke grenade, correct? Well, I needed to look into certain functions for my server and I found this:

    ZWeaponMgr::AddKit
    Code:
    004A5670  /$ 6A FF          PUSH -1
004A5672  |. 68 ABB65A00    PUSH GunzOld.005AB6AB                    ;  SE handler installation
004A5677  |. 64:A1 00000000 MOV EAX,DWORD PTR FS:[0]
004A567D  |. 50             PUSH EAX
004A567E  |. 64:8925 000000>MOV DWORD PTR FS:[0],ESP
004A5685  |. 51             PUSH ECX
004A5686  |. 53             PUSH EBX
004A5687  |. 56             PUSH ESI
004A5688  |. 68 88000000    PUSH 88
004A568D  |. 8BD9           MOV EBX,ECX
004A568F  |. E8 41B10F00    CALL GunzOld.005A07D5
004A5694  |. 83C4 04        ADD ESP,4
004A5697  |. 894424 08      MOV DWORD PTR SS:[ESP+8],EAX
004A569B  |. 85C0           TEST EAX,EAX
004A569D  |. C74424 14 0000>MOV DWORD PTR SS:[ESP+14],0
004A56A5  |. 74 0B          JE SHORT GunzOld.004A56B2
004A56A7  |. 8BC8           MOV ECX,EAX
004A56A9  |. E8 A2D5FFFF    CALL GunzOld.004A2C50
004A56AE  |. 8BF0           MOV ESI,EAX
004A56B0  |. EB 02          JMP SHORT GunzOld.004A56B4
004A56B2  |> 33F6           XOR ESI,ESI
004A56B4  |> 8B4424 2C      MOV EAX,DWORD PTR SS:[ESP+2C]
004A56B8  |. 50             PUSH EAX
004A56B9  |. C74424 18 FFFF>MOV DWORD PTR SS:[ESP+18],-1
004A56C1  |. E8 7A61FFFF    CALL GunzOld.0049B840
004A56C6  |. 8BC8           MOV ECX,EAX
004A56C8  |. E8 B3AE0100    CALL GunzOld.004C0580
004A56CD  |. 85C0           TEST EAX,EAX
004A56CF  |. 74 52          JE SHORT GunzOld.004A5723
004A56D1  |. 8B4C24 24      MOV ECX,DWORD PTR SS:[ESP+24]
004A56D5  |. 8B5424 20      MOV EDX,DWORD PTR SS:[ESP+20]
004A56D9  |. 57             PUSH EDI
004A56DA  |. 51             PUSH ECX                                 ; /Arg4
004A56DB  |. 8B4C24 24      MOV ECX,DWORD PTR SS:[ESP+24]            ; |
004A56DF  |. 52             PUSH EDX                                 ; |Arg3
004A56E0  |. 51             PUSH ECX                                 ; |Arg2
004A56E1  |. 50             PUSH EAX                                 ; |Arg1
004A56E2  |. 8BCE           MOV ECX,ESI                              ; |
004A56E4  |. E8 D7C9FFFF    CALL GunzOld.004A20C0                    ; \GunzOld.004A20C0
004A56E9  |. 8B5424 34      MOV EDX,DWORD PTR SS:[ESP+34]
004A56ED  |. 8B4424 2C      MOV EAX,DWORD PTR SS:[ESP+2C]
004A56F1  |. 8956 68        MOV DWORD PTR DS:[ESI+68],EDX
004A56F4  |. 8946 70        MOV DWORD PTR DS:[ESI+70],EAX
004A56F7  |. 897424 30      MOV DWORD PTR SS:[ESP+30],ESI
004A56FB  |. 8B73 04        MOV ESI,DWORD PTR DS:[EBX+4]
004A56FE  |. 8B56 04        MOV EDX,DWORD PTR DS:[ESI+4]
004A5701  |. 8D4C24 30      LEA ECX,DWORD PTR SS:[ESP+30]
004A5705  |. 51             PUSH ECX
004A5706  |. 52             PUSH EDX
004A5707  |. 56             PUSH ESI
004A5708  |. 8BCB           MOV ECX,EBX
004A570A  |. E8 F1320800    CALL GunzOld.00528A00
004A570F  |. 6A 01          PUSH 1                                   ; /Arg1 = 00000001
004A5711  |. 8BCB           MOV ECX,EBX                              ; |
004A5713  |. 8BF8           MOV EDI,EAX                              ; |
004A5715  |. E8 F6FDFFFF    CALL GunzOld.004A5510                    ; \GunzOld.004A5510
004A571A  |. 897E 04        MOV DWORD PTR DS:[ESI+4],EDI
004A571D  |. 8B47 04        MOV EAX,DWORD PTR DS:[EDI+4]
004A5720  |. 8938           MOV DWORD PTR DS:[EAX],EDI
004A5722  |. 5F             POP EDI
004A5723  |> 8B4C24 0C      MOV ECX,DWORD PTR SS:[ESP+C]
004A5727  |. 5E             POP ESI
004A5728  |. 5B             POP EBX
004A5729  |. 64:890D 000000>MOV DWORD PTR FS:[0],ECX
004A5730  |. 83C4 10        ADD ESP,10
004A5733  \. C2 1800        RETN 18
    Alright, just looks like some code. Let's look into ZWeaponMgr::AddGrenade:

    ZWeaponMgr::AddGrenade:
    Code:
    004A55B0  /$ 6A FF          PUSH -1
004A55B2  |. 68 ABB65A00    PUSH GunzOld.005AB6AB                    ;  SE handler installation
004A55B7  |. 64:A1 00000000 MOV EAX,DWORD PTR FS:[0]
004A55BD  |. 50             PUSH EAX
004A55BE  |. 64:8925 000000>MOV DWORD PTR FS:[0],ESP
004A55C5  |. 51             PUSH ECX
004A55C6  |. 53             PUSH EBX
004A55C7  |. 56             PUSH ESI
004A55C8  |. 6A 78          PUSH 78
004A55CA  |. 8BD9           MOV EBX,ECX
004A55CC  |. E8 04B20F00    CALL GunzOld.005A07D5
004A55D1  |. 8BF0           MOV ESI,EAX
004A55D3  |. 83C4 04        ADD ESP,4
004A55D6  |. 897424 08      MOV DWORD PTR SS:[ESP+8],ESI
004A55DA  |. 85F6           TEST ESI,ESI
004A55DC  |. C74424 14 0000>MOV DWORD PTR SS:[ESP+14],0
004A55E4  |. 74 0F          JE SHORT GunzOld.004A55F5
004A55E6  |. 8BCE           MOV ECX,ESI
004A55E8  |. E8 D3D5FFFF    CALL GunzOld.004A2BC0
004A55ED  |. C706 200C5C00  MOV DWORD PTR DS:[ESI],GunzOld.005C0C20
004A55F3  |. EB 02          JMP SHORT GunzOld.004A55F7
004A55F5  |> 33F6           XOR ESI,ESI
004A55F7  |> 68 800C5C00    PUSH GunzOld.005C0C80                    ;  ASCII "grenade01"
004A55FC  |. C74424 18 FFFF>MOV DWORD PTR SS:[ESP+18],-1
004A5604  |. E8 3762FFFF    CALL GunzOld.0049B840
004A5609  |. 8BC8           MOV ECX,EAX
004A560B  |. E8 70AF0100    CALL GunzOld.004C0580
004A5610  |. 85C0           TEST EAX,EAX
004A5612  |. 74 44          JE SHORT GunzOld.004A5658
004A5614  |. 8B4C24 24      MOV ECX,DWORD PTR SS:[ESP+24]
004A5618  |. 8B5424 20      MOV EDX,DWORD PTR SS:[ESP+20]
004A561C  |. 57             PUSH EDI
004A561D  |. 51             PUSH ECX                                 ; /Arg4
004A561E  |. 8B4C24 24      MOV ECX,DWORD PTR SS:[ESP+24]            ; |
004A5622  |. 52             PUSH EDX                                 ; |Arg3
004A5623  |. 51             PUSH ECX                                 ; |Arg2
004A5624  |. 50             PUSH EAX                                 ; |Arg1
004A5625  |. 8BCE           MOV ECX,ESI                              ; |
004A5627  |. E8 04CEFFFF    CALL GunzOld.004A2430                    ; \GunzOld.004A2430
004A562C  |. 897424 28      MOV DWORD PTR SS:[ESP+28],ESI
004A5630  |. 8B73 04        MOV ESI,DWORD PTR DS:[EBX+4]
004A5633  |. 8B46 04        MOV EAX,DWORD PTR DS:[ESI+4]
004A5636  |. 8D5424 28      LEA EDX,DWORD PTR SS:[ESP+28]
004A563A  |. 52             PUSH EDX
004A563B  |. 50             PUSH EAX
004A563C  |. 56             PUSH ESI
004A563D  |. 8BCB           MOV ECX,EBX
004A563F  |. E8 BC330800    CALL GunzOld.00528A00
004A5644  |. 6A 01          PUSH 1                                   ; /Arg1 = 00000001
004A5646  |. 8BCB           MOV ECX,EBX                              ; |
004A5648  |. 8BF8           MOV EDI,EAX                              ; |
004A564A  |. E8 C1FEFFFF    CALL GunzOld.004A5510                    ; \GunzOld.004A5510
004A564F  |. 897E 04        MOV DWORD PTR DS:[ESI+4],EDI
004A5652  |. 8B4F 04        MOV ECX,DWORD PTR DS:[EDI+4]
004A5655  |. 8939           MOV DWORD PTR DS:[ECX],EDI
004A5657  |. 5F             POP EDI
004A5658  |> 8B4C24 0C      MOV ECX,DWORD PTR SS:[ESP+C]
004A565C  |. 5E             POP ESI
004A565D  |. 5B             POP EBX
004A565E  |. 64:890D 000000>MOV DWORD PTR FS:[0],ECX
004A5665  |. 83C4 10        ADD ESP,10
004A5668  \. C2 0C00        RETN 0C
    Tell me, what do you see? :D
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    Possibly custom grenades?
  3. 03-06-10 #2
    Nobody666
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    Re: Possibly custom grenades?

    004A55F7 |> 68 800C5C00 PUSH GunzOld.005C0C80 ; ASCII "grenade01"



    sticks out.
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  4. 03-06-10 #3
    PenguinGuy
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    Re: Possibly custom grenades?

    Quote Originally Posted by Nobody666 View Post
    004A55F7 |> 68 800C5C00 PUSH GunzOld.005C0C80 ; ASCII "grenade01"



    sticks out.
    Well, I guess that too. >.>
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  5. 03-06-10 #4
    Nobody666
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    Re: Possibly custom grenades?

    Quote Originally Posted by Your Master View Post
    Well, I guess that too. >.>
    heh, well im an amateur so i don't really see much tbh.

    Thats really all that sticked out to me.
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  6. 03-06-10 #5
    Joe9099
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    Re: Possibly custom grenades?

    same as above, but seriously if u can get this working, be such a cool thing to work with...
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  7. 03-06-10 #6
    cerealnp
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    Re: Possibly custom grenades?

    Nice found.
    Though, the hard part is to define which grenade is being thrown.
    Last edited by cerealnp; 03-06-10 at 09:13 PM.
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  8. 03-06-10 #7
    Nobody666
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    Re: Possibly custom grenades?

    Quote Originally Posted by cerealnp View Post
    Nice found.
    Though, the hard part is to define which grenade is being thrown.
    Suppose you could jmp and add a couple models, but then whenever you wanted a new one you'd have to add it.
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  9. 04-06-10 #8
    FlyingHigh
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    Re: Possibly custom grenades?

    lol
    /10 Characters
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  10. 04-06-10 #9
    killerzx
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    Re: Possibly custom grenades?

    element nades possibly? lol
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