Difference between revisions of "Talk:UFO Crash Recovery"

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(Added pics and summary for Med Scout when its PS explodes with max power. Also removed resolved discussion.)
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Just dumping a revised table of probabilities for Power Source destruction on the Supply Ship which reflects the 75% explosion rate found in the executable.
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== Recovery of Alien Alloys ==
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First of all, thanks to Seb76 for providing me with the Power Source explosion damage offsets in the executable. Basically what I did for the first series of tests was to edit the power source to explode with 250 maximum power all the time (which is 180 base + 70 max randomizing factor). This is the worst case scenario. See the pics below for damage dealt to the Medium Scout.
  
  <u>PS Explodes</u>    PSs    <u>Odds for PS ...</u>      Cum.  E115
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<gallery widths="200px">
  <u>L</u>    <u>M</u>    <u>R</u>    <u>Left</u>    <u>L</u>    <u>M</u>    <u>R</u>      <u>Odds</u>    <u>Left</u>
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Image:MedScout_MaxDam_L0.png|Maximum destruction dealt to Medium Scout on the ground level when a Power Source explodes with 250 damage.
  Y    Y    Y      0    0.75  0.75  0.75    .422    0.00
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Image:MedScout_MaxDam_L1.png|Maximum destruction dealt to Medium Scout on the level 1 when a Power Source explodes with 250 damage.
  Y    N    Y      0    0.75  0.25  0.75    .141    0.00
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</gallery>
  Y    Y    <u>N</u>      <u>R</u>    0.75  0.75  0.25    .141    <u>7.03</u>  ''Note 1''
 
  N    <u>Y</u>    Y      <u>0</u>    0.25  0.75  0.75    .141    <u>0.00</u>  ''Note 2''
 
  N    Y    N      0    0.25  0.75  0.25    .047    0.00
 
  Y    N    N      R    0.75  0.25  0.25    .047    2.34
 
  N    N    Y      L    0.25  0.25  0.75    .047    2.34
 
  N    N    N    All    0.25  0.25  0.25  <u> .016</u>  <u> 2.34</u>
 
                                    '''''Totals'''''  1.000  14.06
 
  
The totals row is the addition of the <i>unrounded</i> values in the column above, not the rounded values as shown. If you add a rounded columns, the numbers are 1.002 and 14.05.
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So there wasn't much left of the UFO after this. I count 8 tiles remaining with the alien alloys flag set and since the amount you recover is divided by 10 for the mission, the total you see is 0 ( INT(8/10) = INT(0.8) = 0 ). This checks with the EOM (end of mission) summary. Obviously, no navigations were recovered either. I'll be adding pics and summaries for each of the ships as I get to them. After the max is determined, I'll do the min damage too so that we can get an average. That'll help nail down a range for some of those recovery values. --[[User:Zombie|Zombie]] 21:14, 17 November 2008 (CST)
 
 
Have no idea how the PS Left Likelihood table is calculated, perhaps someone could fill me in? I spent the better part of an hour trying different combinations with no luck at replicating the values. Once that is known, then the table can be rewritten to reflect the 75% probability instead of the current 70%. --[[User:Zombie|Zombie]] 09:27, 9 November 2008 (CST)
 
 
 
: I've patched it in, preferring consistency of the summary table over exactness.
 
: * All-three is one row: N N N
 
: * left-only is one row: N N Y
 
: * right-only is two rows: Y Y N and Y N N .  The probability of the middle power plant blowing up goes irrelevant, so it's simplest just to directly calculate this (0.25*0.75)
 
: * none is everything else; I filled this in by "just subtracting".
 
: -- [[User:Zaimoni|Zaimoni]] 9:39, 9 November 2008 (CST)
 

Revision as of 03:14, 18 November 2008

Recovery of Alien Alloys

First of all, thanks to Seb76 for providing me with the Power Source explosion damage offsets in the executable. Basically what I did for the first series of tests was to edit the power source to explode with 250 maximum power all the time (which is 180 base + 70 max randomizing factor). This is the worst case scenario. See the pics below for damage dealt to the Medium Scout.

So there wasn't much left of the UFO after this. I count 8 tiles remaining with the alien alloys flag set and since the amount you recover is divided by 10 for the mission, the total you see is 0 ( INT(8/10) = INT(0.8) = 0 ). This checks with the EOM (end of mission) summary. Obviously, no navigations were recovered either. I'll be adding pics and summaries for each of the ships as I get to them. After the max is determined, I'll do the min damage too so that we can get an average. That'll help nail down a range for some of those recovery values. --Zombie 21:14, 17 November 2008 (CST)