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Help Forum Changing the way creatures breed    TheSecond        5/14/2013 I have entered full-on mad scientist mode. After finding out that that genetics only play a small part in how creatures breed, I took a look in DS creatureBreeding.cos. Sure enough, this code controls what creature is able to breed with who, and what gender is able to fertilize which. So far as I can tell, this is the code which handles who fertilizes whom: targ ownr ** if the amount of eggs in the world is less than the egg limit then they can breed! doif va75 < va73 * dbg: outs "Breeding in Progress... ;o)" *and you are male doif va00 eq 1 * dbg: outs "male" *pass on sperm mate else *ELSE you are female - tell him to try to pass on sperm :-) * dbg: outs "female" anim [036 037 036 037] mesg wrt+ _it_ 200 0 0 0 endi *stim both creatures with MATE stim writ ownr 45 1 stim writ _it_ 45 1 endi else * one of them is not capable <redacted> snde "kis1" *tell it activated mesg writ _it_ 0 *stim yourself with activate 1 stim writ targ 13 1 endi *<redacted> wait 15 pose 12 wait 20 endm *CREATURE - MALE - GIVE SPERM - [200] * Scriptorium doesn't handle wildcards of the * form 4 0 1 200 for speed reasons - but the MATE * won't cause any trouble if run on the female. scrp 4 0 0 200 mate endm Genetically, both of my test subjects (one male, the other female) should be able to pass sperm and carry an egg. However, when I edit the caos like so: *and you are male doif va00 eq 1 * dbg: outs "male" *pass on sperm anim [036 037 036 037] mesg wrt+ _it_ 200 0 0 0 else *ELSE you are female - tell him to try to pass on sperm :-) * dbg: outs "female" mate endi Nothing happens. the norns kisspop, all of the associated chemicals behave as expected, but there is no pregnancy in either norn. So, does anyone have an idea of what is going on in the background? Is there a check I'm missing that does not allow a male creature to carry eggs, or a female to pass sperm? My favorite norn is still Belldandy.   Patient Pirate ylukyun Manager   5/14/2013 As far as I can work out, that check is in the mate command itself. It also checks for species (genus) and fertility levels. A bit odd seeing all of those are already in the script. The only way to get around it is by manually rewriting the fertilization code on a CAOS level, as in Amaikokonut's creature crossbreeding script or Jennie's Gay Norn program.   Peppery One Papriko   5/14/2013 When you rewrite it like that, replacing the MATE command with a hand-written code, all your resulting creatures will be labelled as "spliced" in the creatures history. When you can live with that, then you can mess around with it. You should have a look at the command "GENE CROS". Lets play plants! Photosynthesis... Photosynthesis... Photosynthesis...   TheSecond     5/14/2013 Interesting, Papriko. I don't see much difference between spliced and regular birth, honestly. Anyway, thanks for the tip, I'll have a look. My favorite norn is still Belldandy.   Patient Pirate ylukyun Manager   5/15/2013 Don't forget to check for fertility!   TheSecond     5/15/2013 But of course! Anyway, I've determined that my new Mate script needs to check the breed of the creatures that are trying to mate, that way the males and females can mate normally, and hopefully also mate with the hermaphroditic breed. Something like: Pseudocode: If I am herm then if my partner is herm then custom mate herm + herm else if my partner is male custom mate male + herm else (my partner is female) custom mate herm + female end if else if I am male then if my partner is female normal mate else (My partner is herm) custom mate male + herm end if else (I am female) if my partner is male request sperm else (My partner is herm) custom mate female + herm end if end if Now, by looking at the current breeding script, I know that I can determine the gender of a creature with the SPCS command. the question is, how to identify the hermaphrodites? According to the game engine they are either going to be male or female... I have thought about the herms expressing a special emitter that releases Chemical X, and then checking for Chemical X in the custom mating script, but I wonder if there's an easier way? My favorite norn is still Belldandy.   Patient Pirate ylukyun Manager   5/16/2013 I think you can assign a special variable to the creature at birth, something like "nornIsHerm = true". Or you could possibly give it an ovxx value?   Peppery One Papriko   5/16/2013 Or you use NEW: CREA to create creatures with the gender 3. Most things already should be able to handle them. If not you'd probably just need a few minor script fixes. Lets play plants! Photosynthesis... Photosynthesis... Photosynthesis...

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