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--trainhud.lua: holds all the code for train controlling
advtrains.hud = {}
advtrains.hhud = {}
minetest.register_on_leaveplayer(function(player)
advtrains.hud[player:get_player_name()] = nil
advtrains.hhud[player:get_player_name()] = nil
end)
local mletter={[1]="F", [-1]="R", [0]="N"}
function advtrains.on_control_change(pc, train, flip)
local maxspeed = train.max_speed or 10
if pc.sneak then
if pc.up then
train.tarvelocity = maxspeed
end
if pc.down then
train.tarvelocity = 0
end
if pc.left then
train.tarvelocity = 4
end
if pc.right then
train.tarvelocity = 8
end
--[[if pc.jump then
train.brake = true
--0: released, 1: brake and pressed, 2: released and brake, 3: pressed and brake
if not train.brake_hold_state or train.brake_hold_state==0 then
train.brake_hold_state = 1
elseif train.brake_hold_state==2 then
train.brake_hold_state = 3
end
elseif train.brake_hold_state==1 then
train.brake_hold_state = 2
elseif train.brake_hold_state==3 then
train.brake = false
train.brake_hold_state = 0
end]]
--shift+use:see wagons.lua
else
local act=false
if pc.jump then
train.ctrl.user = 1
act=true
end
-- If atc command set, only "Jump" key can clear command. To prevent accidental control.
if train.tarvelocity or train.atc_command then
return
end
if pc.up then
train.ctrl.user=4
act=true
end
if pc.down then
if train.velocity>0 then
if pc.jump then
train.ctrl.user = 0
else
train.ctrl.user = 2
end
act=true
else
advtrains.invert_train(train.id)
advtrains.atc.train_reset_command(train)
end
end
if pc.left then
if train.door_open ~= 0 then
train.door_open = 0
else
train.door_open = -1
end
end
if pc.right then
if train.door_open ~= 0 then
train.door_open = 0
else
train.door_open = 1
end
end
if not act then
train.ctrl.user = nil
end
end
end
function advtrains.update_driver_hud(pname, train, flip)
local inside=train.text_inside or ""
advtrains.set_trainhud(pname, inside.."\n"..advtrains.hud_train_format(train, flip))
end
function advtrains.clear_driver_hud(pname)
advtrains.set_trainhud(pname, "")
end
function advtrains.set_trainhud(name, text)
local hud = advtrains.hud[name]
local player=minetest.get_player_by_name(name)
if not player then
return
end
if not hud then
hud = {}
advtrains.hud[name] = hud
hud.id = player:hud_add({
hud_elem_type = "text",
name = "ADVTRAINS",
number = 0xFFFFFF,
position = {x=0.5, y=0.7},
offset = {x=0, y=0},
text = text,
scale = {x=200, y=60},
alignment = {x=0, y=0},
})
hud.oldText=text
return
elseif hud.oldText ~= text then
player:hud_change(hud.id, "text", text)
hud.oldText=text
end
end
function advtrains.set_help_hud(name, text)
local hud = advtrains.hhud[name]
local player=minetest.get_player_by_name(name)
if not player then
return
end
if not hud then
hud = {}
advtrains.hhud[name] = hud
hud.id = player:hud_add({
hud_elem_type = "text",
name = "ADVTRAINS_HELP",
number = 0xFFFFFF,
position = {x=1, y=0.3},
offset = {x=0, y=0},
text = text,
scale = {x=200, y=60},
alignment = {x=1, y=0},
})
hud.oldText=text
return
elseif hud.oldText ~= text then
player:hud_change(hud.id, "text", text)
hud.oldText=text
end
end
--train.lever:
--Speed control lever in train, for new train control system.
--[[
Value Disp Control Meaning
0 BB S+Space Emergency Brake
1 B Space Normal Brake
2 - S Roll
3 o <none> Stay at speed
4 + W Accelerate
]]
function advtrains.hud_train_format(train, flip)
local fct=flip and -1 or 1
if not train then return "" end
local max = train.max_speed or 10
local res = train.speed_restriction
local vel = advtrains.abs_ceil(train.velocity)
local vel_kmh=advtrains.abs_ceil(advtrains.ms_to_kmh(train.velocity))
local levers = {[0] = "EMG", "B 2", "B 1", " N ", " P "}
local tlev=train.lever
if train.velocity==0 and not train.active_control then tlev=1 end
local doorstr = function(side, open)
return (open and "<%s>" or ">%s<"):format(side)
end
local topLine, firstLine
local st = {}
if train.debug then st = {train.debug} end
st[#st+1] = ("[%s] [%s] [%s %s]%s [%s]"):format(
mletter[fct],
levers[tlev] or "N/A",
doorstr("L", train.door_open==-1),
doorstr("R", train.door_open==1),
train.is_shunt and " [SHUNT]" or "",
(train.tarvelocity or train.atc_command) and "ATC" or (train.ctrl.lzb and "LZB" or "MAN"))
local velstr = function(vel, name)
return ("%s%02d m/s (%02d km/h)"):format(
name and (attrans(name).." ") or "",vel,advtrains.ms_to_kmh(vel))
end
st[#st+1] = velstr(vel, "Speed:")
if max then st[#st+1] = velstr(max, "Max. Speed:") end
if res then st[#st+1] = res == 0
and attrans("OVERRUN RED SIGNAL! Examine situation and reverse train to move again.")
or velstr(res, "Restriction:") end
if train.tarvelocity or train.atc_command then
st[#st+1] = ("ATC: %s%s%s"):format(
train.tarvelocity and (velstr(train.tarvelocity).." ") or "",
train.atc_delay and advtrains.abs_ceil(train.atc_delay).."s " or "",
train.atc_command or "")
end
local lzb = train.lzb
local i = 1
while i<=#lzb.oncoming do
local k = lzb.oncoming[i]
st[#st+1] = "LZB: speed limit ["..(k.spd or "E")..("] in %.1f m"):format(k.idx-train.index)
if k.spd == 0 then
break
end
i=i+1
end
return table.concat(st,"\n")
end
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