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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
< html >
< head >
< meta content = "text/html; charset=UTF-8" http-equiv = "content-type" >
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< meta name = "Description" content = "Structure of OpenTTD (OTTD) landscape arrays #2" >
< title > OpenTTD Landscape Internals - #2< / title >
< style type = "text/css" >
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span.abuse { font-family: "Courier New", Courier, mono; background-color: rgb(255, 58, 31); }
span.free { font-family: "Courier New", Courier, mono; background-color: rgb(30, 178, 54); }
span.used { font-family: "Courier New", Courier, mono; }
td.bits { white-space: nowrap; text-align: center; font-family: "Courier New", Courier, mono; }
td.caption { white-space: nowrap; text-align: left; }
td li { white-space: nowrap; text-align: left; }
th { white-space: nowrap; text-align: center; }
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< / style >
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< / head >
< body style = "direction: ltr;" >
< h3 style = "font-weight: bold;" > Landscape< / h3 >
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< span style = "font-weight: bold;" > < / span > Six attributes hold the information about a tile.
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This can be seen in the < a href = "landscape.html" > Landscape< / a > document. This page tries to give an overview of used and free bits of
the array so you can quickly see what is used and what is not.
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< ul >
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< li > < span style = "font-weight: bold;" > < span class = "free" > O< / span > < / span > - bit is free< / li >
< li > < span style = "font-weight: bold;" > < span class = "used" > X< / span > < / span > - bit is used< / li >
< li > < span style = "font-weight: bold;" > < span class = "abuse" > < / span > < / span > - bit of attribute is abused for different purposes< / li >
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< / ul >
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< p >
< ul >
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< li > < span style = "font-weight: bold;" > type_height< / span > - 8 bits in size, stores tile height (lower 4 bits) and tile class (upper 4 bits)< / li >
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< li > < span style = "font-weight: bold;" > m1< / span > - 8 bits in size, used to identify the owner of that tile (eg piece of rail, bridge, etc.)< / li >
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< li > < span style = "font-weight: bold;" > m2< / span > - 16 bits in size, used to identify the index of the given tile (object) in the (object-)array< / li >
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< li > < span style = "font-weight: bold;" > m3< / span > - 8 bits in size, is used for general storage< / li >
< li > < span style = "font-weight: bold;" > m4< / span > - 8 bits in size, is used for general storage< / li >
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< li > < span style = "font-weight: bold;" > m5< / span > - 8 bits in size, is used for general storage< / li >
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< li > < span style = "font-weight: bold;" > m6< / span > - 8 bits in size, special meaning : lower 2 bits only valid in tropic climate, upper 2 bits for bridges< / li >
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< li > < span style = "font-weight: bold;" > m7< / span > - 8 bits in size, is used for general storage< / li >
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< / ul >
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< table align = center border = "1" cellpadding = "2" cellspacing = "2" >
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< tbody >
< tr >
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< th colspan = 2 > class< / th >
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< th > type_height (8)< / th >
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< th > m1 (8)< / th >
< th > m2 (16)< / th >
< th > m3 (8)< / th >
< th > m4 (8)< / th >
< th > m5 (8)< / th >
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< th > m6 (8)< / th >
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< th > m7 (8)< / th >
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< / tr >
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< tr >
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< td colspan = 2 class = "caption" > bits< / td >
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< td class = "bits" > 7654 3210< / td >
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< td class = "bits" > 7654 3210< / td >
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< td class = "bits" > FEDC BA98 7654 3210< / td >
< td class = "bits" > 7654 3210< / td >
< td class = "bits" > 7654 3210< / td >
< td class = "bits" > 7654 3210< / td >
< td class = "bits" > 7654 3210< / td >
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< td class = "bits" > 7654 3210< / td >
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< / tr >
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< tr >
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< td rowspan = "2" > 0< / td >
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< td class = "caption" > ground< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO OOOO OOOO< / span > < / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< td class = "bits" > XXXX XX< span class = "free" > OO< / span > < / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XX< span class = "free" > OO OO< / span > XX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< / tr >
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< tr >
< td class = "caption" > farmland< / td >
< td class = "bits" > -inherit-< / td >
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< td class = "bits" > -inherit-< / td >
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< td class = "bits" > XXXX XXXX XXXX XXXX< / td >
< td class = "bits" > < span class = "free" > OOOO< / span > XXXX< / td >
< td class = "bits" > -inherit-< / td >
< td class = "bits" > < span class = "free" > OOO< / span > X XXXX< / td >
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< td class = "bits" > XX< span class = "free" > OO OO< / span > XX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< / tr >
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< tr >
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< td rowspan = 3 > 1< / td >
< td class = "caption" > rail< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO O< / span > XXX < span class = "free" > O< / span > XXX< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XX< span class = "free" > OO OO< / span > XX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< / tr >
< tr >
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< td class = "caption" > depot< / td >
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< td class = "bits" > -inherit-< / td >
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< td class = "bits" > -inherit-< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO OOOO OOOO< / span > < / td >
(svn r3472) - [PBS] Remove from trunk. Anyone interested can still find it in branch/pbs. This reverts revisions r3158, r3140, r3075, r2977, r2674, r2625, r2621, r2529, r2528, r2525, r2524, r2519, r2517, r2516, r2507, r2499. (in conjunction with Tron)
- The only change is that the nsignalsw.grf file is kept and that existing nightlies with PBS signals get those signals converted to combo-signals.
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< td class = "bits" > < span class = "free" > OOOO< / span > XXXX< / td >
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< td class = "bits" > < span class = "free" > OOOO< / span > XXXX< / td >
< td class = "bits" > XX< span class = "free" > OO O< / span > XXX< / td >
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< td class = "bits" > XX< span class = "free" > OO OO< / span > XX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< / tr >
< tr >
< td class = "caption" > waypoint< / td >
< td class = "bits" > -inherit-< / td >
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< td class = "bits" > -inherit-< / td >
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< td class = "bits" > XXXX XXXX XXXX XXXX< / td >
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< td class = "bits" > < span class = "free" > OOOO< / span > XXXX< / td >
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< td class = "bits" > < span class = "free" > OOOO< / span > XXXX< / td >
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< td class = "bits" > XX< span class = "free" > OO O< / span > XXX< / td >
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< td class = "bits" > XX< span class = "free" > OO OO< / span > XX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< / tr >
< tr >
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< td rowspan = 3 > 2< / td >
< td class = "caption" > road< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
< td class = "bits" > XXXX XXXX< / td >
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< / tr >
< tr >
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< td class = "caption" > level crossing< / td >
< td class = "bits" > -inherit-< / td >
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< td class = "bits" > -inherit-< / td >
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< td class = "bits" > -inherit-< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > < span class = "free" > O< / span > XXX XXXX< / td >
< td class = "bits" > XX< span class = "free" > OO< / span > XXXX< / td >
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< td class = "bits" > XX< span class = "free" > OO OO< / span > XX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< / tr >
< tr >
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< td class = "caption" > road depot< / td >
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< td class = "bits" > -inherit-< / td >
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< td class = "bits" > -inherit-< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO OOOO OOOO< / span > < / td >
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< td class = "bits" > X< span class = "free" > OOO OOOO< / span > < / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< td class = "bits" > XX< span class = "free" > OO< / span > XXXX< / td >
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< td class = "bits" > XX< span class = "free" > OO OO< / span > XX< / td >
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< td class = "bits" > XXX< span class = "free" > O OOOO< / span > < / td >
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< / tr >
< tr >
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< td > 3< / td >
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< td class = "caption" > house< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX XXXX XXXX< / td >
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< td class = "bits" > XX< span class = "free" > O< / span > X XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XX< span class = "abuse" > XX XXXX< / span > < / td >
< td class = "bits" > < span class = "abuse" > XXXX XX< / span > XX< / td >
< td class = "bits" > < span class = "abuse" > X< / span > XX< span class = "abuse" > X XXX< / span > X< / td >
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< / tr >
< tr >
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< td > 4< / td >
< td class = "caption" > trees< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XX< span class = "free" > OO< / span > < / td >
< td class = "bits" > XX< span class = "free" > OO O< / span > XXX< / td >
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< td class = "bits" > < span class = "free" > OOOO OO< / span > XX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< / tr >
< tr >
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< td > 5< / td >
< td class = "caption" > station< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
< td class = "bits" > XXXX XXXX< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > < span class = "free" > OO< / span > XX XXXX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< / tr >
< tr >
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< td > 6< / td >
< td class = "caption" > water< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO OOOO OOOO< / span > < / td >
< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< td class = "bits" > XXXX XXXX< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XX< span class = "free" > OO OO< / span > XX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< / tr >
< tr >
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< td > 8< / td >
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< td class = "caption" > industry< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > < span class = "abuse" > X< / span > < span class = "free" > OO< / span > < span class = "abuse" > X
XXXX< / span > < / td >
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< td class = "bits" > XXXX XXXX XXXX XXXX< / td >
< td class = "bits" > XXXX XXXX< / td >
< td class = "bits" > XXXX XXXX< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > < span class = "free" > OO< / span > XX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< / tr >
< tr >
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< td rowspan = 2 > 9< / td >
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< td class = "caption" > tunnel entrance< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
< td class = "bits" > < span class = "free" > OOOO OOOO OOOO OOOO< / span > < / td >
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< td class = "bits" > < span class = "free" > OOOO< / span > XXXX< / td >
(svn r3472) - [PBS] Remove from trunk. Anyone interested can still find it in branch/pbs. This reverts revisions r3158, r3140, r3075, r2977, r2674, r2625, r2621, r2529, r2528, r2525, r2524, r2519, r2517, r2516, r2507, r2499. (in conjunction with Tron)
- The only change is that the nsignalsw.grf file is kept and that existing nightlies with PBS signals get those signals converted to combo-signals.
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< td class = "bits" > X< span class = "free" > OOO OOOO< / span > < / td >
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< td class = "bits" > X< span class = "free" > OOO< / span > XXXX< / td >
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< td class = "bits" > XX< span class = "free" > OO OO< / span > XX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< / tr >
< tr >
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< td > bridge ramp< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < span class = "abuse" > XXXX< / span >
< span class = "free" > OOOO< / span > < / td >
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< td class = "bits" > < span class = "free" > OOOO< / span > XXXX< / td >
< td class = "bits" > X< span class = "free" > OOO OOOO< / span > < / td >
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< td class = "bits" > X< span class = "free" > OOO< / span > XXXX< / td >
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< td class = "bits" > XX< span class = "free" > OO OO< / span > XX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< / tr >
< tr >
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< td > A< / td >
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< td class = "caption" > unmovables< / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XXXX XXXX< / td >
< td class = "bits" > < span class = "free" > OOOO OOOO OOOO OOOO< / span > < / td >
< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
< td class = "bits" > XXXX XXXX< / td >
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< td class = "bits" > XX< span class = "free" > OO OO< / span > XX< / td >
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< td class = "bits" > < span class = "free" > OOOO OOOO< / span > < / td >
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< / tr >
< / tbody >
< / table >
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< / body >
< / html >