BF2 Trainer

i used cheat engine to get Unlim ammo, but im not 100% sure how to use CE with BF2.. i no how to do it, like search "30" shoot search "29" until i have 1 address then what??

do i freeze it then change Value to 999?

I'll have to address that by saying this, 1make sure your searching the correct value types (nothings to say these aren't floats), 2nothing is to say that any program directly relates the numbers you see in the same fashion in memory, processors work better with multiples of 4, so nothings to say that in memory 30 might not be 120, 3freezing usually only works for simple things like flash games so I'd expect that you would have to go into editing memory with a nop as an alternative (alot less stupider than wondering all noob like "why isn't it working I put in 999...").
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Even if you do everything right there are more advanced topics that could be covered of why your attempts would still be unsuccessful that could do with indirection within ASM code and etc.

BF2 uses DMA(Dynamic Memory Allocation), you'll either have to find the value each time you play or figure out from where it is accessed with CE(find out what writes to this value) and nop that instruction, which should work all the time