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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, rh, rots) return {conn1=c1, conn2=c2, rely1=r1, rely2=r2, railheight=rh} end
local ap={}
ap.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),
vst31=conns(8,0,0,0.33,0.16),
vst32=conns(8,0,0.33,0.66,0.5),
vst33=conns(8,0,0.66,1,0.83),
},
description={
st="straight",
cr="curve",
swlst="left switch (straight)",
swlcr="left switch (curve)",
swrst="right switch (straight)",
swrcr="right switch (curve)",
vst1="steep uphill 1/2",
vst2="steep uphill 2/2",
vst31="uphill 1/3",
vst32="uphill 2/3",
vst33="uphill 3/3",
},
switch={
swlst="swlcr",
swlcr="swlst",
swrst="swrcr",
swrcr="swrst",
},
switchmc={
swlst="on",
swlcr="off",
swrst="on",
swrcr="off",
},
regtp=true,
trackplacer={
st=true,
cr=true,
},
tpsingle={
st=true,
},
tpdefault="st",
trackworker={
["swrcr"]="st",
["swrst"]="st",
["st"]="cr",
["cr"]="swlst",
["swlcr"]="swrcr",
["swlst"]="swrst",
},
regsp=true,
slopenodes={
vst1=true, vst2=true,
vst31=true, vst32=true, vst33=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"},
increativeinv={},
}
ap.t_30deg_straightonly={
regstep=1,
variant={
st=conns(0,8),
},
description={
st="straight",
},
switch={
},
switchmc={
},
regtp=true,
trackplacer={
},
tpsingle={
},
tpdefault="st",
trackworker={
["st"]="st",
},
slopenodes={},
rotation={"", "_30", "_45", "_60"},
increativeinv={st},
}
ap.t_30deg_straightonly_noplacer={
regstep=1,
variant={
st=conns(0,8),
},
description={
st="straight",
},
switch={
},
switchmc={
},
regtp=false,
trackplacer={
},
tpsingle={
},
tpdefault="st",
trackworker={
["st"]="st",
},
slopenodes={},
rotation={"", "_30", "_45", "_60"},
increativeinv={st},
}
ap.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",
},
regtp=true,
trackplacer={
st=true,
cr=true,
},
tpsingle={
st=true,
},
tpdefault="st",
trackworker={
["swrcr"]="st",
["swrst"]="st",
["st"]="cr",
["cr"]="swlst",
["swlcr"]="swrcr",
["swlst"]="swrst",
},
slopenodes={},
rotation={"", "_45"},
increativeinv={vst1=true, vst2=true}
}
advtrains.trackpresets = 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
}]]
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,
rules=advtrains.meseconrules
}}
end
local function make_overdef(suffix, rotation, conns, switchfunc, mesecontbl, in_creative_inv, drop_slope)
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,
drop = increativeinv and def.nodename_prefix.."_"..suffix..rotation or (drop_slope and def.nodename_prefix.."_slopeplacer" or def.nodename_prefix.."_placer"),
}
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,
on_place_rail=function(pos)
advtrains.reset_trackdb_position(pos)
end,
}, def.common or {})
--make trackplacer base def
advtrains.trackplacer.register_tracktype(def.nodename_prefix, preset.tpdefault)
if preset.regtp then
advtrains.trackplacer.register_track_placer(def.nodename_prefix, def.texture_prefix, def.description)
end
if preset.regsp then
advtrains.slope.register_placer(def, preset)
end
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
local adef={}
if def.get_additional_definiton then
adef=def.get_additional_definiton(def, preset, suffix, rotation)
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], preset.slopenodes[suffix]
),
adef
)
)
--trackplacer
if preset.regtp then
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
end
advtrains.trackplacer.add_worked(def.nodename_prefix, suffix, rotation, preset.trackworker[suffix])
end
end
end
advtrains.all_tracktypes[tracktype]=true
end
function advtrains.is_track_and_drives_on(nodename, drives_on_p)
if not minetest.registered_nodes[nodename] then
return false
end
local nodedef=minetest.registered_nodes[nodename]
for k,v in pairs(drives_on_p) do
if nodedef.groups["advtrains_track_"..k] 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 atprint("[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 atprint("[advtrains] get_track_connections: rail has invaild param2 of "..noderot) noderot=0 end
local tracktype
for k,_ in pairs(nodedef.groups) do
local tt=string.match(k, "^advtrains_track_(.+)$")
if tt then
tracktype=tt
end
end
return (nodedef.connect1 + 4 * noderot)%16, (nodedef.connect2 + 4 * noderot)%16, nodedef.rely1 or 0, nodedef.rely2 or 0, nodedef.railheight or 0, tracktype
end
--detector code
--holds a table with nodes on which trains are on.
advtrains.detector = {}
advtrains.detector.on_node = {}
advtrains.detector.on_node_restore = {}
--set if paths were invalidated before. tells trainlogic.lua to call advtrains.detector.finalize_restore()
advtrains.detector.clean_step_before = false
--when train enters a node, call this
--The entry already being contained in advtrains.detector.on_node_restore will not trigger an on_train_enter event on the node. (when path is reset, this is saved).
function advtrains.detector.enter_node(pos, train_id)
local pts = minetest.pos_to_string(advtrains.round_vector_floor_y(pos))
--atprint("enterNode "..pts.." "..sid(train_id))
if advtrains.detector.on_node[pts] then
if advtrains.trains[advtrains.detector.on_node[pts]] then
--atprint(""..pts.." already occupied")
return false
else
advtrains.detector.leave_node(pos, advtrains.detector.on_node[pts])
end
end
advtrains.detector.on_node[pts]=train_id
if advtrains.detector.on_node_restore[pts] then
advtrains.detector.on_node_restore[pts]=nil
else
advtrains.detector.call_enter_callback(advtrains.round_vector_floor_y(pos), train_id)
end
return true
end
function advtrains.detector.leave_node(pos, train_id)
local pts = minetest.pos_to_string(advtrains.round_vector_floor_y(pos))
--atprint("leaveNode "..pts.." "..sid(train_id))
if not advtrains.detector.on_node[pts] then
--atprint(""..pts.." leave: nothing here")
return false
end
if advtrains.detector.on_node[pts]==train_id then
advtrains.detector.call_leave_callback(advtrains.round_vector_floor_y(pos), train_id)
advtrains.detector.on_node[pts]=nil
else
if advtrains.trains[advtrains.detector.on_node[pts]] then
--atprint(""..pts.." occupied by another train")
return false
else
advtrains.detector.leave_node(pos, advtrains.detector.on_node[pts])
return false
end
end
return true
end
--called immediately before invalidating paths
function advtrains.detector.setup_restore()
--atprint("setup_restore")
advtrains.detector.on_node_restore = advtrains.detector.on_node
advtrains.detector.on_node = {}
end
--called one step after invalidating paths, when all trains have restored their path and called enter_node for their contents.
function advtrains.detector.finalize_restore()
--atprint("finalize_restore")
for pts, train_id in pairs(advtrains.detector.on_node_restore) do
--atprint("called leave callback "..pts.." "..train_id)
advtrains.detector.call_leave_callback(minetest.string_to_pos(pts), train_id)
end
advtrains.detector.on_node_restore = {}
end
function advtrains.detector.call_enter_callback(pos, train_id)
--atprint("instructed to call enter calback")
local node = minetest.get_node(pos) --this spares the check if node is nil, it has a name in any case
local mregnode=minetest.registered_nodes[node.name]
if mregnode and mregnode.advtrains and mregnode.advtrains.on_train_enter then
mregnode.advtrains.on_train_enter(pos, train_id)
end
--atc code wants to be notified too
advtrains.atc.trigger_controller_train_enter(pos, train_id)
end
function advtrains.detector.call_leave_callback(pos, train_id)
--atprint("instructed to call leave calback")
local node = minetest.get_node(pos) --this spares the check if node is nil, it has a name in any case
local mregnode=minetest.registered_nodes[node.name]
if mregnode and mregnode.advtrains and mregnode.advtrains.on_train_leave then
mregnode.advtrains.on_train_leave(pos, train_id)
end
end
-- slope placer. Defined in register_tracks.
--crafted with rail and gravel
local sl={}
function sl.register_placer(def, preset)
minetest.register_craftitem(def.nodename_prefix.."_slopeplacer",{
description = def.description.." Slope",
inventory_image = def.texture_prefix.."_slopeplacer.png",
wield_image = def.texture_prefix.."_slopeplacer.png",
groups={},
on_place = sl.create_slopeplacer_on_place(def, preset)
})
end
--(itemstack, placer, pointed_thing)
function sl.create_slopeplacer_on_place(def, preset)
return function(istack, player, pt)
if not pt.type=="node" then
minetest.chat_send_player(player:get_player_name(), "Can't place: not pointing at node")
return istack
end
local pos=pt.above
if not pos then
minetest.chat_send_player(player:get_player_name(), "Can't place: not pointing at node")
return istack
end
local node=minetest.get_node(pos)
if not minetest.registered_nodes[node.name] or not minetest.registered_nodes[node.name].buildable_to then
minetest.chat_send_player(player:get_player_name(), "Can't place: space occupied!")
return istack
end
if minetest.is_protected(pos, player:get_player_name()) then
minetest.chat_send_player(player:get_player_name(), "Can't place: protected position!")
return istack
end
--determine player orientation (only horizontal component)
--get_look_horizontal may not be available
local yaw=player.get_look_horizontal and player:get_look_horizontal() or (player:get_look_yaw() - math.pi/2)
--rounding unit vectors is a nice way for selecting 1 of 8 directions since sin(30°) is 0.5.
dirvec={x=math.floor(math.sin(-yaw)+0.5), y=0, z=math.floor(math.cos(-yaw)+0.5)}
--translate to direction to look up inside the preset table
local param2, rot45=({
[-1]={
[-1]=2,
[0]=3,
[1]=3,
},
[0]={
[-1]=2,
[1]=0,
},
[1]={
[-1]=1,
[0]=1,
[1]=0,
},
})[dirvec.x][dirvec.z], dirvec.x~=0 and dirvec.z~=0
local lookup=preset.slopeplacer
if rot45 then lookup=preset.slopeplacer_45 end
--go unitvector forward and look how far the next node is
local step=1
while step<=lookup.max do
local node=minetest.get_node(vector.add(pos, dirvec))
--next node solid?
if not minetest.registered_nodes[node.name] or not minetest.registered_nodes[node.name].buildable_to or minetest.is_protected(pos, player:get_player_name()) then
--do slopes of this distance exist?
if lookup[step] then
if minetest.setting_getbool("creative_mode") or istack:get_count()>=step then
--start placing
local placenodes=lookup[step]
while step>0 do
minetest.set_node(pos, {name=def.nodename_prefix.."_"..placenodes[step], param2=param2})
if not minetest.setting_getbool("creative_mode") then
istack:take_item()
end
step=step-1
pos=vector.subtract(pos, dirvec)
end
else
minetest.chat_send_player(player:get_player_name(), "Can't place: Not enough slope items left ("..step.." required)")
end
else
minetest.chat_send_player(player:get_player_name(), "Can't place: There's no slope of length "..step)
end
return istack
end
step=step+1
pos=vector.add(pos, dirvec)
end
minetest.chat_send_player(player:get_player_name(), "Can't place: no supporting node at upper end.")
return itemstack
end
end
advtrains.slope=sl
--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="Deprecated Track",
formats={vst1={}, vst2={}},
}, ap.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="Track",
formats={vst1={true, false, true}, vst2={true, false, true}, vst31={true}, vst32={true}, vst33={true}},
}, ap.t_30deg)
--bumpers
advtrains.register_tracks("default", {
nodename_prefix="advtrains:dtrack_bumper",
texture_prefix="advtrains_dtrack_bumper",
models_prefix="advtrains_dtrack_bumper",
models_suffix=".b3d",
shared_texture="advtrains_dtrack_rail.png",
description="Bumper",
formats={},
}, ap.t_30deg_straightonly)
--legacy bumpers
for _,rot in ipairs({"", "_30", "_45", "_60"}) do
minetest.register_alias("advtrains:dtrack_bumper"..rot, "advtrains:dtrack_bumper_st"..rot)
end
if mesecon then
advtrains.register_tracks("default", {
nodename_prefix="advtrains:dtrack_detector_off",
texture_prefix="advtrains_dtrack_detector",
models_prefix="advtrains_dtrack_detector",
models_suffix=".b3d",
shared_texture="advtrains_dtrack_rail.png",
description="Detector Rail",
formats={},
get_additional_definiton = function(def, preset, suffix, rotation)
return {
mesecons = {
receptor = {
state = mesecon.state.off,
rules = advtrains.meseconrules
}
},
advtrains = {
on_train_enter=function(pos, train_id)
minetest.swap_node(pos, {name="advtrains:dtrack_detector_on".."_"..suffix..rotation, param2=minetest.get_node(pos).param2})
mesecon.receptor_on(pos, advtrains.meseconrules)
end
}
}
end
}, ap.t_30deg_straightonly)
advtrains.register_tracks("default", {
nodename_prefix="advtrains:dtrack_detector_on",
texture_prefix="advtrains_dtrack_detector",
models_prefix="advtrains_dtrack_detector",
models_suffix=".b3d",
shared_texture="advtrains_dtrack_rail_detector_on.png",
description="Detector(on)(you hacker you)",
formats={},
get_additional_definiton = function(def, preset, suffix, rotation)
return {
mesecons = {
receptor = {
state = mesecon.state.on,
rules = advtrains.meseconrules
}
},
advtrains = {
on_train_leave=function(pos, train_id)
minetest.swap_node(pos, {name="advtrains:dtrack_detector_off".."_"..suffix..rotation, param2=minetest.get_node(pos).param2})
mesecon.receptor_off(pos, advtrains.meseconrules)
end
}
}
end
}, ap.t_30deg_straightonly_noplacer)
end
--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
if advtrains.register_replacement_lbms then
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,
})
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
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