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Thread: Halo Custom Edition [1.08] Interesting Addresses

  1. #1
    Neanderthal Dwood's Avatar
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    Halo Custom Edition [1.08] Interesting Addresses

    Well I was looking around in Cheat engine lately and I found some crap. I figured I haven't done anything with them yet, and probably won't, for a while, thus, you might make use of some of these addys.

    Code:
     Dev Boolean-
    
      006BD096
    
    01/00 00 60 C8 14 00 02 00 00 00 40 B8 16 00 00 00
    
    Console boolean-
    
         00651E89
        
    01/00 00 00 01 00 00 60 10 00 00 0D FF FF 00 00 00
    I was toying with the idea of making those booleans accessible via scripts in Open Sauce

    The following I was planning on releasing in Open Sauce (and still am) however I need to find the addy in dedi still.

    This was an Idea I had for modifying the jump height/velocity of the player. It turns out that Cheat_Super_Jump multiplies the default velocity (in stock maps, 1.7 mps) by 4.

    I forget how jump velocity works in tandem with jump height in the game but hey.

    Code:
    SJ Bool-
             00815CA4
         
    
    SJ Modifier
         00612388
     -set to 4 by default. Fun to use on Hugeass or Coldsnap.
      
    Timberland as well. :P
    Another note, that Super jump MUST be enabled in order for this method of modifying jump height to work.

    I'm going to use this as a log to the interesting values that I find in Halo.

    Currently on my list to be found are: Maximum Health, Max shields, and Grenades.

    With those I expect to find the actual health, shields, and 'nades the player is holding. If you have ideas feel free to let meh know.
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    Kid in the Hall Kornman00's Avatar
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    Re: Halo Custom Edition [1.08] Interesting Addresses

    The only thing that needs to be enabled with OS is the console. OS can override the devmode check for runtime script commands (read: console commands). Also, all you need to have is a lookup function or the actual global index of cheat_super_jump and then just access the value definition using the HSExternalGlobals() function or w/e I had named it in the Script related code files (I think I defined it in the ScriptLibrary component source)

    an object's heath/shields and a unit's grenades are already defined in the OS codebase
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    Neanderthal Dwood's Avatar
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    Re: Halo Custom Edition [1.08] Interesting Addresses

    Quote Originally Posted by Kornman00 View Post

    an object's heath/shields and a unit's grenades are already defined in the OS codebase
    If that's so I think I'll want to be exposing those values so scripters may manipulate them, even though i'm not sure about how to do it 100%.

    Yeah, FireScythe showed me the parts of Open Sauce I need to add my custom globals so expect my own build or something like that some time this month maybe.
    Last edited by Dwood; November 5th, 2009 at 05:47 AM.
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    Kid in the Hall Kornman00's Avatar
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    Re: Halo Custom Edition [1.08] Interesting Addresses

    unit_get_heath/unit_get_shield (just make 'set' versions)

    however, player_add_equipment can set all three things (including weapons). also, these would need to be functions, not globals.
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    Re: Halo Custom Edition [1.08] Interesting Addresses

    Keep up the good work!
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    Neanderthal Dwood's Avatar
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    Re: Halo Custom Edition [1.08] Interesting Addresses

    Code:
    004D3BDD - mov edi,esi (not exactly sure why this is here)
    004D3BEC - mov [esi],eax (esi is a pointer to the player, eax is player ID...)
    
    if you're looking at our Player structure, should be
    unsigned short m_ID
    ^
    (when a player joins)
    
    this code is called at...
    
    004D3971 - CALL 004D3BD0
    ^called by
    
    004DD3FF - call 004E1E60
    
    all values are in hex (0x20, 0x40, etc)
    when RUSSIA WINS hosts game		| Dwood joins hosted game | USA JOIN
    EAX = 007F0001
    ECX = 0 (player index??)		| 20 			  | 40
    EDX = 0 (player index??mb team??)	| 1  (player index)	  | 2
    EBX = 1 (??, successful join mb [like banning?])
    EBP = 007FC467				|7FC487			  |7FC4A7
    ESI = pointer to player name
    EDI = 0080DD40 (??)
    
    EBP points to a value
    
    when i host,
    00 00 00 00
    when you join
    00 01 01 00... could be (??) (player #) (team #) (??)
    
    second test (this time, im on team 1)
    00 00 00 00 (me)
    00 00 01 00 (you)
    
    third test (in order, no team switching, me, RUSSIA, USA)
    00 00 00 00
    00 01 01 00
    00 00 02 00
    
    registers up top remain the same
    
    analysis for pointed structure by EBP:
    00 (team) (player #) 00
    
    EAX and EDI point to a bunch of 0s, maybe they are for bitwise operations?
    
    more info on ESI register above
    
    ESI points to this structure
    seems to be 32 bytes
    24 bytes = player name
    last 8 bytes go for me as follows:
    01 00 FF FF 00 00 00 00
    
    for you, same structure, except last 8 bytes
    02 00 FF FF 01 00 01 01
    
    for me, with Dwood on blue
    02 00 FF FF 01 00 00 01.... meaning that the second to last byte = team
    
    for USA WINS joins as third player (joins to red)
    02 00 FF FF 02 00 00 02
    
    assuming first byte means 01 for host, 02 for client
    (above) 00 FF FF (player index+1) 00 (destination team) (player index+1)
    Thanks to IGM.Bitidork for help in finding these addresses.
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    Kid in the Hall Kornman00's Avatar
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    Re: Halo Custom Edition [1.08] Interesting Addresses

    pretty sure you're looking at a s_network_player structure
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    Project Sapphire Modder Rhydgaled's Avatar
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    Re: Halo Custom Edition [1.08] Interesting Addresses

    Quote Originally Posted by Kornman00 View Post
    unit_get_heath/unit_get_shield (just make 'set' versions)

    however, player_add_equipment can set all three things (including weapons). also, these would need to be functions, not globals.
    I don't suppose there's a unit_set_equipment that can be used on AI. One would be able to have an elite draw an energy sword when it's shield is low then.
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    Kid in the Hall Kornman00's Avatar
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    Re: Halo Custom Edition [1.08] Interesting Addresses

    Quote Originally Posted by Rhydgaled View Post
    I don't suppose there's a unit_set_equipment that can be used on AI. One would be able to have an elite draw an energy sword when it's shield is low then.
    ai_actors, then iterate over each unit checking their shield.

    also, there are already methods for setting the health/shield properties: unit(s)_set_maximum_vitality & unit(s)_set_current_vitality
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    Neanderthal Dwood's Avatar
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    Re: Halo Custom Edition [1.08] Interesting Addresses

    Quote Originally Posted by Kornman00 View Post
    ai_actors, then iterate over each unit checking their shield.

    also, there are already methods for setting the health/shield properties: unit(s)_set_maximum_vitality & unit(s)_set_current_vitality
    Oh hey I didn't know about that, thanks.
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