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[Help] Writing to a data structure that has pointers

 
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noobpwner5
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PostPosted: Wed Oct 08, 2014 4:02 pm    Post subject: [Help] Writing to a data structure that has pointers Reply with quote
Hey guys so i've recently been working some on data structures and i've got the basics down, but i've run into a problem. In the code section below (wouldnt let me post a picture) is the list of offsets that i'm using to change the memory. I can easily change the offset 0088 by injecting the code mov [eax+0088],whatevervalue but i would like some help on writing values onto the offset 0008 that is within 0034. Any help would be greatly appreciated.

Code:
0000 - Vtable            22D017D0 : P->035E7320       
0004 - headFrameCounter  22D017D4 : 2.3341953700618E-313
000C - bodyFrameCounter  22D017DC : 0                 
0014 - legFrameCounter   22D017E4 : 0                 
001C - beetlePos         22D017EC : P->238DBED4       
0020 - beetleVel         22D017F0 : P->238DBEF8       
0024 - itemFlamePos      22D017F4 : P->238DBF1C       
0028 - chatText          22D017F8 : P->037D1228       
002C - armor             22D017FC : P->238DBF60       
0030 - dye               22D01800 : P->238DBFB0       
0034 - buffType          22D01804 : P->238DBFE0       
-----0000 - Vtable            238DBFE0 : P->6A723A70       
-----0004 - Number of Elements238DBFE4 : 22                 
-----0008 - Array[0]          238DBFE8 : 0                 
-----000C - Array[1]          238DBFEC : 0                 
-----0010 - Array[2]          238DBFF0 : 0                 
-----0014 - Array[3]          238DBFF4 : 0                 
-----0018 - Array[4]          238DBFF8 : 0                 
-----001C - Array[5]          238DBFFC : 0                 
-----0020 - Array[6]          238DC000 : 0                 
-----0024 - Array[7]          238DC004 : 0                 
-----0028 - Array[8]          238DC008 : 0                 
-----002C - Array[9]          238DC00C : 0                 
-----0030 - Array[10]         238DC010 : 0                 
-----0034 - Array[11]         238DC014 : 0                 
-----0038 - Array[12]         238DC018 : 0                 
-----003C - Array[13]         238DC01C : 0                 
-----0040 - Array[14]         238DC020 : 0                 
-----0044 - Array[15]         238DC024 : 0                 
-----0048 - Array[16]         238DC028 : 0                 
-----004C - Array[17]         238DC02C : 0                 
-----0050 - Array[18]         238DC030 : 0                 
-----0054 - Array[19]         238DC034 : 0                 
-----0058 - Array[20]         238DC038 : 0                 
-----005C - Array[21]         238DC03C : 0                 
0038 - buffTime          22D01808 : P->238DC044       
003C - buffImmune        22D0180C : P->238DC0A8       
0040 - setBonus          22D01810 : P->037D1228       
0044 - inventory         22D01814 : P->238DC140       
0048 - bank              22D01818 : P->238DC23C       
004C - bank2             22D0181C : P->238DC308       
0050 - name              22D01820 : P->238E9500       
0054 - hitTile           22D01824 : P->238E9308       
0058 - showItemIconText  22D01828 : P->037D1228       
005C - shadowPos         22D0182C : P->238DC3D4       
0060 - shadowRotation    22D01830 : P->238DC3F8       
0064 - shadowOrigin      22D01834 : P->238DC410       
0068 - mount             22D01838 : P->238E94C4       
006C - spX               22D0183C : P->238DC434       
0070 - spY               22D01840 : P->238DC760       
0074 - spN               22D01844 : P->238DCA8C       
0078 - spI               22D01848 : P->238DCDBC       
007C - adjTile           22D0184C : P->238DD0E8       
0080 - oldAdjTile        22D01850 : P->238DD248       
0084 - grappling         22D01854 : P->238DD3A8       
0088 - beetleOrbs        22D01858 : 0                 
008C - beetleCounter     22D0185C : 0                 
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Dark Byte
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PostPosted: Wed Oct 08, 2014 4:09 pm    Post subject: Reply with quote
something like this:
Code:

push eax //save eax
mov eax,[eax+34] //eax now contains the pointer stored at offset 34
mov [eax+8],whatevervalue //write whatever value you wish as offset 8
pop eax //restore eax

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noobpwner5
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PostPosted: Wed Oct 08, 2014 4:41 pm    Post subject: Reply with quote
Thank you very much! Works just fine.
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