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--advtrains by orwell96, see readme.txt
--dev-time settings:
--EDIT HERE
--If the old non-model rails on straight tracks should be replaced by the new...
--false: no
--true: yes
advtrains.register_replacement_lbms=false
--[[TracksDefinition
nodename_prefix
texture_prefix
description
common={}
straight={}
straight45={}
curve={}
curve45={}
lswitchst={}
lswitchst45={}
rswitchst={}
rswitchst45={}
lswitchcr={}
lswitchcr45={}
rswitchcr={}
rswitchcr45={}
vert1={
--you'll probably want to override mesh here
}
vert2={
--you'll probably want to override mesh here
}
]]--
advtrains.all_tracktypes={}
--definition preparation
local function conns(c1, c2, r1, r2) return {{c=c1, y=r1}, {c=c2, y=r2}} end
local function conns3(c1, c2, c3, r1, r2, r3) return {{c=c1, y=r1}, {c=c2, y=r2}, {c=c3, y=r3}} end
advtrains.ap={}
advtrains.ap.t_30deg_flat={
regstep=1,
variant={
st={
conns = conns(0,8),
desc = "straight",
tpdouble = true,
tpsingle = true,
trackworker = "cr",
},
cr={
conns = conns(0,7),
desc = "curve",
tpdouble = true,
trackworker = "swlst",
},
swlst={
conns = conns3(0,8,7),
desc = "left switch (straight)",
trackworker = "swrst",
switchalt = "swlcr",
switchmc = "on",
switchst = "st",
},
swlcr={
conns = conns3(0,7,8),
desc = "left switch (curve)",
trackworker = "swrcr",
switchalt = "swlst",
switchmc = "off",
switchst = "cr",
},
swrst={
conns = conns3(0,8,9),
desc = "right switch (straight)",
trackworker = "st",
switchalt = "swrcr",
switchmc = "on",
switchst = "st",
},
swrcr={
conns = conns3(0,9,8),
desc = "right switch (curve)",
trackworker = "st",
switchalt = "swrst",
switchmc = "off",
switchst = "cr",
},
},
regtp=true,
tpdefault="st",
trackworker={
["swrcr"]="st",
["swrst"]="st",
["cr"]="swlst",
["swlcr"]="swrcr",
["swlst"]="swrst",
},
rotation={"", "_30", "_45", "_60"},
}
advtrains.ap.t_30deg_slope={
regstep=1,
variant={
vst1={conns = conns(8,0,0,0.5), rail_y = 0.25, desc = "steep uphill 1/2", slope=true},
vst2={conns = conns(8,0,0.5,1), rail_y = 0.75, desc = "steep uphill 2/2", slope=true},
vst31={conns = conns(8,0,0,0.33), rail_y = 0.16, desc = "uphill 1/3", slope=true},
vst32={conns = conns(8,0,0.33,0.66), rail_y = 0.5, desc = "uphill 2/3", slope=true},
vst33={conns = conns(8,0,0.66,1), rail_y = 0.83, desc = "uphill 3/3", slope=true},
},
regsp=true,
slopeplacer={
[2]={"vst1", "vst2"},
[3]={"vst31", "vst32", "vst33"},
max=3,--highest entry
},
slopeplacer_45={
[2]={"vst1_45", "vst2_45"},
max=2,
},
rotation={"", "_30", "_45", "_60"},
trackworker={},
increativeinv={},
}
advtrains.ap.t_30deg_straightonly={
regstep=1,
variant={
st={
conns = conns(0,8),
desc = "straight",
tpdouble = true,
tpsingle = true,
trackworker = "st",
},
},
regtp=true,
tpdefault="st",
rotation={"", "_30", "_45", "_60"},
}
advtrains.ap.t_30deg_straightonly_noplacer={
regstep=1,
variant={
st={
conns = conns(0,8),
desc = "straight",
tpdouble = true,
tpsingle = true,
trackworker = "st",
},
},
tpdefault="st",
rotation={"", "_30", "_45", "_60"},
}
advtrains.ap.t_45deg={
regstep=2,
variant={
st={
conns = conns(0,8),
desc = "straight",
tpdouble = true,
tpsingle = true,
trackworker = "cr",
},
cr={
conns = conns(0,6),
desc = "curve",
tpdouble = true,
trackworker = "swlst",
},
swlst={
conns = conns3(0,8,6),
desc = "left switch (straight)",
trackworker = "swrst",
switchalt = "swlcr",
switchmc = "on",
switchst = "st",
},
swlcr={
conns = conns3(0,6,8),
desc = "left switch (curve)",
trackworker = "swrcr",
switchalt = "swlst",
switchmc = "off",
switchst = "cr",
},
swrst={
conns = conns3(0,8,10),
desc = "right switch (straight)",
trackworker = "st",
switchalt = "swrcr",
switchmc = "on",
switchst = "st",
},
swrcr={
conns = conns3(0,10,8),
desc = "right switch (curve)",
trackworker = "st",
switchalt = "swrst",
switchmc = "off",
switchst = "cr",
},
},
regtp=true,
tpdefault="st",
trackworker={
["swrcr"]="st",
["swrst"]="st",
["cr"]="swlst",
["swlcr"]="swrcr",
["swlst"]="swrst",
},
rotation={"", "_30", "_45", "_60"},
}
advtrains.trackpresets = advtrains.ap
--definition format: ([] optional)
--[[{
nodename_prefix
texture_prefix
[shared_texture]
models_prefix
models_suffix (with dot)
[shared_model]
formats={
st,cr,swlst,swlcr,swrst,swrcr,vst1,vst2
(each a table with indices 0-3, for if to register a rail with this 'rotation' table entry. nil is assumed as 'all', set {} to not register at all)
}
common={} change something on common rail appearance
}
[18.12.17] Note on new connection system:
In order to support real rail crossing nodes and finally make the trackplacer respect switches, I changed the connection system.
There can be a variable number of connections available. These are specified as tuples {c=<connection>, y=<rely>}
The table "at_conns" consists of {<conn1>, <conn2>...}
the "at_rail_y" property holds the value that was previously called "railheight"
Depending on the number of connections:
2 conns: regular rail
3 conns: switch:
- when train passes in at conn1, will move out of conn2
- when train passes in at conn2 or conn3, will move out of conn1
4 conns: cross (or cross switch, depending on arrangement of conns):
- conn1 <> conn2
- conn3 <> conn4
]]
function advtrains.register_tracks(tracktype, def, preset)
for suffix, var in pairs(preset.variant) do
for rotid, rotation in ipairs(preset.rotation) do
if not def.formats[suffix] or def.formats[suffix][rotid] then
--connections
local at_conns = advtrains.rotate_conn_by(var.conns, (rotid-1)*preset.regstep)
trackconns[def.nodename_prefix.."_"..suffix..rotation] = at_conns
end
end
end
end
function advtrains.get_track_connections(name, param2)
if not trackconns[name] then return end
return advtrains.rotate_conn_by(trackconns[name], param2*AT_CMAX/4), nil, nil
end