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--advtrains by orwell96, see readme.txt
--[[TracksDefinition
nodename_prefix
texture_prefix
description
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={}
function advtrains.register_tracks(tracktype, def)
local function make_switchfunc(suffix_target)
return function(pos, node)
if advtrains.is_train_at_pos(pos) then return end
advtrains.invalidate_all_paths()
minetest.set_node(pos, {name=def.nodename_prefix.."_"..suffix_target, param2=node.param2})
end
end
local function make_overdef(img_suffix, conn1, conn2, switchfunc)
return {
tiles = {def.texture_prefix.."_"..img_suffix..".png"},
inventory_image = def.texture_prefix.."_"..img_suffix..".png",
wield_image = def.texture_prefix.."_"..img_suffix..".png",
connect1=conn1,
connect2=conn2,
on_rightclick=switchfunc,
}
end
local common_def={
description = def.description,
drawtype = "mesh",
mesh = "trackplane.b3d",
paramtype="light",
paramtype2="facedir",
walkable = false,
selection_box = {
type = "fixed",
fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
},
groups = {
attached_node=1,
["advtrains_track_"..tracktype]=1,
dig_immediate=2,
not_in_creative_inventory=1,
},
rely1=0,
rely2=0,
railheight=0,
drop="advtrains:placetrack_"..tracktype,
--on_rightclick=function(pos, node, clicker)
-- minetest.set_node(pos, {name=node.name, param2=(node.param2+1)%4})
--end
can_dig=function(pos)
return not advtrains.is_train_at_pos(pos)
end,
after_dig_node=function()
advtrains.invalidate_all_paths()
end
}
minetest.register_node(def.nodename_prefix.."_st", advtrains.merge_tables(common_def, make_overdef("st", 0, 4), def.straight or {}))
minetest.register_node(def.nodename_prefix.."_st_45", advtrains.merge_tables(common_def, make_overdef("st_45", 1, 5), def.straight45 or {}))
minetest.register_node(def.nodename_prefix.."_cr", advtrains.merge_tables(common_def, make_overdef("cr", 0, 3), def.curve or {}))
minetest.register_node(def.nodename_prefix.."_cr_45", advtrains.merge_tables(common_def, make_overdef("cr_45", 1, 4), def.curve45 or {}))
advtrains.trackplacer_register(def.nodename_prefix.."_st", 0, 4)
advtrains.trackplacer_register(def.nodename_prefix.."_st_45", 1, 5)
advtrains.trackplacer_register(def.nodename_prefix.."_cr", 0, 3)
advtrains.trackplacer_register(def.nodename_prefix.."_cr_45", 1, 4)
minetest.register_node(def.nodename_prefix.."_swl_st", advtrains.merge_tables(common_def, make_overdef("swl_st", 0, 4, make_switchfunc("swl_cr")), def.lswitchst or {}))
minetest.register_node(def.nodename_prefix.."_swl_st_45", advtrains.merge_tables(common_def, make_overdef("swl_st_45", 1, 5, make_switchfunc("swl_cr_45")), def.lswitchst45 or {}))
minetest.register_node(def.nodename_prefix.."_swl_cr", advtrains.merge_tables(common_def, make_overdef("swl_cr", 0, 3, make_switchfunc("swl_st")), def.lswitchcr or {}))
minetest.register_node(def.nodename_prefix.."_swl_cr_45", advtrains.merge_tables(common_def, make_overdef("swl_cr_45", 1, 4, make_switchfunc("swl_st_45")), def.lswitchcr45 or {}))
minetest.register_node(def.nodename_prefix.."_swr_st", advtrains.merge_tables(common_def, make_overdef("swr_st", 0, 4, make_switchfunc("swr_cr")), def.rswitchst or {}))
minetest.register_node(def.nodename_prefix.."_swr_st_45", advtrains.merge_tables(common_def, make_overdef("swr_st_45", 1, 5, make_switchfunc("swr_cr_45")), def.rswitchst45 or {}))
minetest.register_node(def.nodename_prefix.."_swr_cr", advtrains.merge_tables(common_def, make_overdef("swr_cr", 0, 5, make_switchfunc("swr_st")), def.rswitchcr or {}))
minetest.register_node(def.nodename_prefix.."_swr_cr_45", advtrains.merge_tables(common_def, make_overdef("swr_cr_45", 1, 6, make_switchfunc("swr_st_45")), def.rswitchcr45 or {}))
minetest.register_node(def.nodename_prefix.."_vert1", advtrains.merge_tables(common_def, make_overdef("vert1", 0, 4), {
mesh = "trackvertical1.b3d",
rely1=0,
rely2=0.5,
railheight=0.25,
description = def.description.." (vertical track lower node)",
}, def.vert1 or {}))
minetest.register_node(def.nodename_prefix.."_vert2", advtrains.merge_tables(common_def, make_overdef("vert2", 0, 4), {
mesh = "trackvertical2.b3d",
rely1=0.5,
rely2=1,
railheight=0.75,
description = def.description.." (vertical track lower node)",
},def.vert2 or {}))
advtrains.register_track_placer(def.nodename_prefix, def.texture_prefix, def.description)
table.insert(advtrains.all_tracktypes, tracktype)
end
advtrains.register_tracks("regular", {
nodename_prefix="advtrains:track",
texture_prefix="track",
description="Regular Train Track",
})
function advtrains.is_track_and_drives_on(nodename, drives_on)
if not minetest.registered_nodes[nodename] then
return false
end
local nodedef=minetest.registered_nodes[nodename]
for k,v in ipairs(drives_on) do
if nodedef.groups["advtrains_track_"..v] then
return true
end
end
return false
end
function advtrains.get_track_connections(name, param2)
local nodedef=minetest.registered_nodes[name]
if not nodedef then print("[advtrains] get_track_connections couldn't find nodedef for nodename "..(name or "nil")) return 0,4 end
local noderot=param2
if not param2 then noderot=0 end
if noderot > 3 then print("[advtrains] get_track_connections: rail has invaild param2 of "..noderot) noderot=0 end
return (nodedef.connect1 + 2 * noderot)%8, (nodedef.connect2 + 2 * noderot)%8, nodedef.rely1 or 0, nodedef.rely2 or 0, nodedef.railheight or 0
end
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