Ok, let's clear things up once and for all.
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Singleplayer
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Apprenently the lastest patch (1.01) changed how SP handles realistic saber combat. g_saberrealisticcombat no longer exists and g_sabermorerealistic is now write protected (and not even accessable with cheat mode).
As such, you have three options on activating realistic saber combat / dismemberment. Both methods assume that you have model dismemberment turned on in your Setup->Options menu...
1. Use a modified menu to change the setting. I've personally done this change (
http://www.lucasforums.com/showthread.php?s=&threadid=117828) and will release it quickly if the demand is high. This is the easiest and quickest method.
2. Set the g_sabermorerealistic from the command line. Just add "+set g_sabermorerealistic number" to whatever method you use to start the game.
3. Add the g_sabermorerealistic setting (seta _sabermorerealistic number" to your autoexec.cfg. This will set the cvar whenever you start up the game.
g_sabermorerealistic Settings
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0 = Off
1 = Boosted Damage
2 = Realistic Dismemberment
3 = Realistic Idle Damage
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Multiplayer
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Dismemberment for MP is easy but a two part issue.
1. Whoever is running the server must set g_dismember to a non-zero number.
This cvar is set on a 0-100 percentage scale......
0 = 0% chance of dismemberment
100% = 100% chance of dismemberment (when the conditions are correct)
2. Each client must set their cg_dismember setting to a non-zero number.
cg_dismember Settings
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0 = Off
1 = Hand Dismemberment only?
2 = Arm/Hand Dismemberment only?
3 = Full dismemberment allowed.
That's all for know. I can write more about the individual methods if people request it. Sorry about any errors. It's bedtime and I'm tired.