advtrains/tracks.lua

457 lines
13 KiB
Lua

--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_straight_rep_lbm=true
--[[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, rh, rots) return {conn1=c1, conn2=c2, rely1=r1, rely2=r2, railheight=rh} end
local t_30deg={
regstep=1,
variant={
st=conns(0,8),
cr=conns(0,7),
swlst=conns(0,8),
swlcr=conns(0,7),
swrst=conns(0,8),
swrcr=conns(0,9),
vst1=conns(8,0,0,0.5,0.25),
vst2=conns(8,0,0.5,1,0.75),
},
description={
st="straight",
cr="curve",
swlst="left switch (straight)",
swlcr="left switch (curve)",
swrst="right switch (straight)",
swrcr="right switch (curve)",
vst1="vertical lower node",
vst2="vertical upper node",
},
switch={
swlst="swlcr",
swlcr="swlst",
swrst="swrcr",
swrcr="swrst",
},
switchmc={
swlst="on",
swlcr="off",
swrst="on",
swrcr="off",
},
trackplacer={
st=true,
cr=true,
},
tpsingle={
st=true,
},
tpdefault="st",
trackworker={
["swrcr"]="st",
["swrst"]="st",
["st"]="cr",
["cr"]="swlst",
["swlcr"]="swrcr",
["swlst"]="swrst",
},
rotation={"", "_30", "_45", "_60"},
increativeinv={vst1=true, vst2=true},
}
local t_45deg={
regstep=2,
variant={
st=conns(0,8),
cr=conns(0,6),
swlst=conns(0,8),
swlcr=conns(0,6),
swrst=conns(0,8),
swrcr=conns(0,10),
vst1=conns(8,0,0,0.5,0.25),
vst2=conns(8,0,0.5,1,0.75),
},
description={
st="straight",
cr="curve",
swlst="left switch (straight)",
swlcr="left switch (curve)",
swrst="right switch (straight)",
swrcr="right switch (curve)",
vst1="vertical lower node",
vst2="vertical upper node",
},
switch={
swlst="swlcr",
swlcr="swlst",
swrst="swrcr",
swrcr="swrst",
},
switchmc={
swlst="on",
swlcr="off",
swrst="on",
swrcr="off",
},
trackplacer={
st=true,
cr=true,
},
tpsingle={
st=true,
},
tpdefault="st",
trackworker={
["swrcr"]="st",
["swrst"]="st",
["st"]="cr",
["cr"]="swlst",
["swlcr"]="swrcr",
["swlst"]="swrst",
},
rotation={"", "_45"},
increativeinv={vst1=true, vst2=true}
}
--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
}]]
function advtrains.register_tracks(tracktype, def, preset)
local function make_switchfunc(suffix_target, mesecon_state)
local switchfunc=function(pos, node)
if advtrains.is_train_at_pos(pos) then return end
minetest.set_node(pos, {name=def.nodename_prefix.."_"..suffix_target, param2=node.param2})
advtrains.invalidate_all_paths()
advtrains.reset_trackdb_position(pos)
end
return switchfunc, {effector = {
["action_"..mesecon_state] = switchfunc
}}
end
local function make_overdef(suffix, rotation, conns, switchfunc, mesecontbl, in_creative_inv)
local img_suffix=suffix..rotation
return {
mesh = def.shared_model or (def.models_prefix.."_"..img_suffix..def.models_suffix),
tiles = {def.shared_texture or (def.texture_prefix.."_"..img_suffix..".png")},
--inventory_image = def.texture_prefix.."_"..img_suffix..".png",
--wield_image = def.texture_prefix.."_"..img_suffix..".png",
description=def.description.."("..preset.description[suffix]..rotation..")",
connect1=conns.conn1,
connect2=conns.conn2,
rely1=conns.rely1 or 0,
rely2=conns.rely2 or 0,
railheight=conns.railheight or 0,
on_rightclick=switchfunc,
groups = {
attached_node=1,
["advtrains_track_"..tracktype]=1,
dig_immediate=2,
not_in_creative_inventory=(not in_creative_inv and 1 or nil),
not_blocking_trains=1,
},
mesecons=mesecontbl,
}
end
local function cycle_conns(conns, rotid)
local add=(rotid-1)*preset.regstep
return {
conn1=(conns.conn1+add)%16,
conn2=(conns.conn2+add)%16,
rely1=conns.rely1 or 0,
rely2=conns.rely2 or 0,
railheight=conns.railheight or 0,
}
end
local common_def=advtrains.merge_tables({
description = def.description,
drawtype = "mesh",
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},
},
rely1=0,
rely2=0,
railheight=0,
drop=def.nodename_prefix.."_placer",
can_dig=function(pos)
return not advtrains.is_train_at_pos(pos)
end,
after_dig_node=function(pos)
advtrains.invalidate_all_paths()
advtrains.reset_trackdb_position(pos)
end,
after_place_node=function(pos)
advtrains.reset_trackdb_position(pos)
end,
}, def.common or {})
--make trackplacer base def
advtrains.trackplacer.register_tracktype(def.nodename_prefix, preset.tpdefault)
advtrains.trackplacer.register_track_placer(def.nodename_prefix, def.texture_prefix, def.description)
for suffix, conns in pairs(preset.variant) do
for rotid, rotation in ipairs(preset.rotation) do
if not def.formats[suffix] or def.formats[suffix][rotid] then
local switchfunc, mesecontbl
if preset.switch[suffix] then
switchfunc, mesecontbl=make_switchfunc(preset.switch[suffix]..rotation, preset.switchmc[suffix])
end
minetest.register_node(def.nodename_prefix.."_"..suffix..rotation, advtrains.merge_tables(
common_def,
make_overdef(
suffix, rotation,
cycle_conns(conns, rotid),
switchfunc, mesecontbl, preset.increativeinv[suffix]
)
)
)
--trackplacer
if preset.trackplacer[suffix] then
advtrains.trackplacer.add_double_conn(def.nodename_prefix, suffix, rotation, cycle_conns(conns, rotid))
end
if preset.tpsingle[suffix] then
advtrains.trackplacer.add_single_conn(def.nodename_prefix, suffix, rotation, cycle_conns(conns, rotid))
end
advtrains.trackplacer.add_worked(def.nodename_prefix, suffix, rotation, preset.trackworker[suffix])
end
end
end
table.insert(advtrains.all_tracktypes, tracktype)
end
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, 8, 0, 0, 0 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 + 4 * noderot)%16, (nodedef.connect2 + 4 * noderot)%16, nodedef.rely1 or 0, nodedef.rely2 or 0, nodedef.railheight or 0
end
--END code, BEGIN definition
--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
}]]
advtrains.register_tracks("regular", {
nodename_prefix="advtrains:track",
texture_prefix="advtrains_track",
shared_model="trackplane.b3d",
description="Regular Train Track",
formats={vst1={}, vst2={}},
}, t_45deg)
advtrains.register_tracks("default", {
nodename_prefix="advtrains:dtrack",
texture_prefix="advtrains_dtrack",
models_prefix="advtrains_dtrack",
models_suffix=".b3d",
shared_texture="advtrains_dtrack_rail.png",
description="New Default Train Track",
formats={vst1={true}, vst2={true}},
}, t_30deg)
--bumpers. temporary registration. later: integrate to register_tracks.
function advtrains.register_bumpers(tracktype, def, preset)
local common_def=advtrains.merge_tables({
description = def.description,
drawtype = "mesh",
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},
},
rely1=0,
rely2=0,
railheight=0,
can_dig=function(pos)
return not advtrains.is_train_at_pos(pos)
end,
after_dig_node=function(pos)
advtrains.invalidate_all_paths()
advtrains.reset_trackdb_position(pos)
end,
after_place_node=function(pos)
advtrains.reset_trackdb_position(pos)
end,
}, def.common or {})
local function cycle_conns(conns, rotid)
local add=(rotid-1)*preset.regstep
return {
conn1=(conns.conn1+add)%16,
conn2=(conns.conn2+add)%16,
rely1=conns.rely1 or 0,
rely2=conns.rely2 or 0,
railheight=conns.railheight or 0,
}
end
for rotid, rotation in ipairs(preset.rotation) do
local img_suffix="bumper"..rotation
local crea=1
if rotid==1 then crea=0 end
minetest.register_node(def.nodename_prefix.."_".."bumper"..rotation, advtrains.merge_tables(
common_def,
{
mesh = def.shared_model or (def.models_prefix.."_"..img_suffix..def.models_suffix),
tiles = {def.shared_texture or (def.texture_prefix.."_"..img_suffix..".png")},
--inventory_image = def.texture_prefix.."_"..img_suffix..".png",
--wield_image = def.texture_prefix.."_"..img_suffix..".png",
description=def.description.."(".."bumper"..rotation..")",
on_rightclick=switchfunc,
groups = {
attached_node=1,
--["advtrains_track_"..tracktype]=1, not a rail...
dig_immediate=2,
},
}
))
--advtrains.trackplacer.add_single_conn(def.nodename_prefix, "bumper", rotation, cycle_conns({conn1=0, conn2=8}, rotid))
advtrains.trackplacer.add_worked(def.nodename_prefix, "bumper", rotation, nil)
end
end
advtrains.register_bumpers("default", {
nodename_prefix="advtrains:dtrack",
texture_prefix="advtrains_dtrack",
models_prefix="advtrains_dtrack",
models_suffix=".b3d",
shared_texture="advtrains_dtrack_rail.png",
description="New Default Train Track",
formats={vst1={true}, vst2={true}},
}, t_30deg)
--TODO legacy
--I know lbms are better for this purpose
for name,rep in pairs({swl_st="swlst", swr_st="swrst", swl_cr="swlcr", swr_cr="swrcr", }) do
minetest.register_abm({
-- In the following two fields, also group:groupname will work.
nodenames = {"advtrains:track_"..name},
interval = 1.0, -- Operation interval in seconds
chance = 1, -- Chance of trigger per-node per-interval is 1.0 / this
action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name="advtrains:track_"..rep, param2=node.param2}) end,
})
minetest.register_abm({
-- In the following two fields, also group:groupname will work.
nodenames = {"advtrains:track_"..name.."_45"},
interval = 1.0, -- Operation interval in seconds
chance = 1, -- Chance of trigger per-node per-interval is 1.0 / this
action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name="advtrains:track_"..rep.."_45", param2=node.param2}) end,
})
end
minetest.register_lbm({
name = "advtrains:ramp_replacement_1",
-- In the following two fields, also group:groupname will work.
nodenames = {"advtrains:track_vert1"},
action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name="advtrains:dtrack_vst1", param2=(node.param2+2)%4}) end,
})
minetest.register_lbm({
name = "advtrains:ramp_replacement_1",
-- -- In the following two fields, also group:groupname will work.
nodenames = {"advtrains:track_vert2"},
action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name="advtrains:dtrack_vst2", param2=(node.param2+2)%4}) end,
})
if advtrains.register_straight_rep_lbm then
minetest.register_abm({
name = "advtrains:st_rep_1",
-- In the following two fields, also group:groupname will work.
nodenames = {"advtrains:track_st"},
interval=1,
chance=1,
action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name="advtrains:dtrack_st", param2=node.param2}) end,
})
minetest.register_lbm({
name = "advtrains:st_rep_1",
-- -- In the following two fields, also group:groupname will work.
nodenames = {"advtrains:track_st_45"},
action = function(pos, node, active_object_count, active_object_count_wider) minetest.set_node(pos, {name="advtrains:dtrack_st_45", param2=node.param2}) end,
})
end