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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 ""
local ft, ht = advtrains.hud_train_format(train, flip)
advtrains.set_trainhud(pname, inside.."\n"..ft, ht)
end
function advtrains.clear_driver_hud(pname)
advtrains.set_trainhud(pname, "")
end
function advtrains.set_trainhud(name, text, driver)
local hud = advtrains.hud[name]
local player=minetest.get_player_by_name(name)
if not player then
return
end
local driverhud = {
hud_elem_type = "image",
name = "ADVTRAINS_DRIVER",
position = {x=0.5, y=0.7},
offset = {x=0,y=5},
text = driver or "",
alignment = {x=0,y=1},
scale = {x=1,y=1},}
if not hud then
hud = {["driver"]={}}
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=-5},
text = text,
scale = {x=200, y=60},
alignment = {x=0, y=-1},
})
hud.oldText=text
hud.driver = player:hud_add(driverhud)
else
if hud.oldText ~= text then
player:hud_change(hud.id, "text", text)
hud.oldText=text
end
if hud.driver then
player:hud_change(hud.driver, "text", driver or "")
elseif driver then
hud.driver = player:hud_add(driverhud)
end
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)
if not train then return "","" end
local sformat = string.format -- this appears to be faster than (...):format
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","r","n","p"}
local lvrcolor = {[0] = "red", "orange", "orange", "cyan", "cyan"}
local tlev=train.lever or 1
if train.velocity==0 and not train.active_control then tlev=1 end
local st = {}
if train.debug then st = {train.debug} end
local ht = {"[combine:300x150:0,0=(advtrains_hud_bg.png^[resize\\:300x150)"}
ht[#ht+1] = "100,0=(advtrains_hud_" .. (flip and "reverse" or "forward") .. ".png^[resize\\:100x20^[makealpha\\:#000000)"
ht[#ht+1] = "200,0=(advtrains_hud_" .. (levers[tlev] or "bg") .. ".png^[resize\\:100x20^[multiply\\:" .. (lvrcolor[tlev] or "#000000") .. "^[makealpha\\:#000000)"
if train.tarvelocity or train.atc_command then
ht[#ht+1] = "100,20=(advtrains_hud_atc.png^[resize\\:100x20^[makealpha\\:#000000)"
end
if train.ctrl.lzb then
ht[#ht+1] = "200,20=(advtrains_hud_lzb.png^[resize\\:100x20^[multiply\\:red^[makealpha\\:#000000)"
end
if train.is_shunt then
ht[#ht+1] = "100,40=(advtrains_hud_shunt.png^[resize\\:100x20^[makealpha\\:#000000)"
end
if train.door_open == -1 then
ht[#ht+1] = "100,60=(advtrains_hud_left_door.png^[resize\\:100x20^[makealpha\\:#000000)"
elseif train.door_open == 1 then
ht[#ht+1] = "200,60=(advtrains_hud_right_door.png^[resize\\:100x24^[makealpha\\:#000000)"
end
-- speed indication(s)
local function sevenseg(digit, x, y, w, h, m)
--[[
-1-
2 3
-4-
5 6
-7-
]]
local segs = {
{h, 0, w, h},
{0, h, h, w},
{w+h, h, h, w},
{h, w+h, w, h},
{0, w+2*h, h, w},
{w+h, w+2*h, h, w},
{h, 2*(w+h), w, h}}
local trans = {
[0] = {true, true, true, false, true, true, true},
[1] = {false, false, true, false, false, true, false},
[2] = {true, false, true, true, true, false, true},
[3] = {true, false, true, true, false, true, true},
[4] = {false, true, true, true, false, true, false},
[5] = {true, true, false, true, false, true, true},
[6] = {true, true, false, true, true, true, true},
[7] = {true, false, true, false, false, true, false},
[8] = {true, true, true, true, true, true, true},
[9] = {true, true, true, true, false, true, true}}
local ent = trans[digit or 10]
if not ent then return end
for i = 1, 7, 1 do
if ent[i] then
local s = segs[i]
ht[#ht+1] = sformat("%d,%d=(advtrains_hud_bg.png^[resize\\:%dx%d^%s)",x+s[1], y+s[2], s[3], s[4], m)
end
end
end
sevenseg(math.floor(vel/10), 5, 5, 20, 10, "[colorize\\:red\\:255")
sevenseg(vel%10, 55, 5, 20, 10, "[colorize\\:red\\:255")
for i = 1, vel, 1 do
ht[#ht+1] = sformat("%d,100=(advtrains_hud_bg.png^[resize\\:11x30^[colorize\\:white)", i*14-3)
end
for i = max+1, 20, 1 do
ht[#ht+1] = sformat("%d,100=(advtrains_hud_bg.png^[resize\\:11x30^[colorize\\:lightgray)", i*14-3)
end
if res and res > 0 then
ht[#ht+1] = sformat("%d,95=(advtrains_hud_bg.png^[resize\\:3x40^[colorize\\:red\\:255)", 8+res*14)
end
if train.tarvelocity then
ht[#ht+1] = sformat("%d,130=(advtrains_hud_arrow.png^[multiply\\:cyan^[transformFY^[makealpha\\:#000000)", 2+train.tarvelocity*14)
end
local lzb = train.lzb
if lzb and lzb.oncoming then
local oc = lzb.oncoming
for i = 1, #oc do
local spd = oc[i].spd
if not spd then
ht[#ht+1] = "203,43=(advtrains_hud_bg.png^[resize\\:14x14^[colorize\\:lime\\:255)"
elseif spd == 0 then
ht[#ht+1] = "283,43=(advtrains_hud_bg.png^[resize\\:14x14^[colorize\\:red\\:255)"
elseif tonumber(spd) then
ht[#ht+1] = "243,43=(advtrains_hud_bg.png^[resize\\:14x14^[colorize\\:orange\\:255)"
ht[#ht+1] = sformat("%d,85=(advtrains_hud_arrow.png^[multiply\\:red^[makealpha\\:#000000)", 2+spd*14)
end
break
end
end
if res and res == 0 then
st[#st+1] = attrans("OVERRUN RED SIGNAL! Examine situation and reverse train to move again.")
end
if train.atc_command then
st[#st+1] = sformat("ATC: %s%s", train.atc_delay and advtrains.abs_ceil(train.atc_delay).."s " or "", train.atc_command or "")
end
return table.concat(st,"\n"), table.concat(ht,":")
end
local _, texture = advtrains.hud_train_format { -- dummy train object to demonstrate the train hud
max_speed = 15, speed_restriction = 12, velocity = 12, tarvelocity = 15,
active_control = true, lever = 3, ctrl = {lzb = true}, is_shunt = true,
door_open = 1, lzb = {oncoming = {{spd=6}}}
}
minetest.register_node("advtrains:hud_demo",{
description = "Train HUD demonstration",
tiles = {texture},
groups = {cracky = 3, not_in_creative_inventory = 1}
})
minetest.register_craft {
output = "advtrains:hud_demo",
recipe = {
{"default:paper", "default:paper", "default:paper"},
{"default:paper", "advtrains:trackworker", "default:paper"},
{"default:paper", "default:paper", "default:paper"},
}
}
|
