Patching MechCommander's "left arm bug" for fun and profit
1–10 of 37 posts
Re: Patching MechCommander's "left arm bug" for fun and profit
#2This is cool, maybe "target left arm" implies that it's your left, when targetting them and you're facing each other. So, their right arm.
Re: Patching MechCommander's "left arm bug" for fun and profit
#3This is cool, maybe "target left arm" implies that it's your left, when targetting them and you're facing each other. So, their right arm.
Btw, I recently did my first patches with ghidra. Is there any way to avoid jumping into a code cave by shifting all the instructions up then updating any statements referring to those memory locations? Seems like it should be simple enoigh in theory, but I didn't find an implementation on a cursory search. Could probably code up a plugin pretty easily.
Re: Patching MechCommander's "left arm bug" for fun and profit
#4Oh man this was my biggest pet peeve with mechcommander as a kid, thanks for fixing it!
Re: Patching MechCommander's "left arm bug" for fun and profit
#5If you need a compact byte -> bit lookup table on x86, consider using the memory form of the bit test (BT) instruction.
Re: Patching MechCommander's "left arm bug" for fun and profit
#6Great writeup! Vividly remember this being a thing especially in multiplayer. What was that janky match matching service, MSN something?
Also a really underrated game, the mechanics (line of sight over the horizon stuff) and isometric graphics were pretty cool for the time and it had a well developed story/campaign mode.
Re: Patching MechCommander's "left arm bug" for fun and profit
#7I really need to put some of these techniques to the test with Metal Fatigue.
Re: Patching MechCommander's "left arm bug" for fun and profit
#8I really need to put some of these techniques to the test with Metal Fatigue.
A rare gem to see someone talking about MF. I used to play lots of it with friends, our games would last for over 48 hours (we wouldn’t sleep). Different time.
Re: Patching MechCommander's "left arm bug" for fun and profit
#9I wish they would release MC1 source the way they did with MC2.
Re: Patching MechCommander's "left arm bug" for fun and profit
#10This is cool, maybe "target left arm" implies that it's your left, when targetting them and you're facing each other. So, their right arm.
Btw, I recently did my first patches with ghidra. Is there any way to avoid jumping into a code cave by shifting all the instructions up then updating any statements referring to those memory locations? Seems like it should be simple enoigh in theory, but I didn't find an implementation on a cursory search. Could probably code up a plugin pretty easily.
How can you be dead certain that all references are known in Ghidra?
Just non-disassembled function or unidentified struct would ruin your plans…