minetest-mm/mods/advtrains/advtrains/trainhud.lua
2021-11-16 11:03:22 +01:00

334 lines
10 KiB
Lua

--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=1},
offset = {x=0,y=-170},
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=1},
offset = {x=0, y=-300},
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 tlev=train.lever or 1
if train.velocity==0 and not train.active_control then tlev=1 end
if train.hud_lzb_effect_tmr then
tlev=1
end
local ht = {"[combine:440x110:0,0=(advtrains_hud_bg.png^[resize\\:440x110)"}
local st = {}
if train.debug then st = {train.debug} end
-- seven-segment display
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
-- lever
ht[#ht+1] = "275,10=(advtrains_hud_bg.png^[colorize\\:cyan^[resize\\:5x18)"
ht[#ht+1] = "275,28=(advtrains_hud_bg.png^[colorize\\:white^[resize\\:5x18)"
ht[#ht+1] = "275,46=(advtrains_hud_bg.png^[colorize\\:orange^[resize\\:5x36)"
ht[#ht+1] = "275,82=(advtrains_hud_bg.png^[colorize\\:red^[resize\\:5x18)"
ht[#ht+1] = "292,16=(advtrains_hud_bg.png^[colorize\\:darkslategray^[resize\\:6x78)"
ht[#ht+1] = sformat("280,%s=(advtrains_hud_bg.png^[colorize\\:gray^[resize\\:30x18)",18*(4-tlev)+10)
-- reverser
ht[#ht+1] = sformat("245,10=(advtrains_hud_arrow.png^[transformFY%s)", flip and "" or "^[multiply\\:cyan")
ht[#ht+1] = sformat("245,85=(advtrains_hud_arrow.png%s)", flip and "^[multiply\\:orange" or "")
ht[#ht+1] = "250,35=(advtrains_hud_bg.png^[colorize\\:darkslategray^[resize\\:5x40)"
ht[#ht+1] = sformat("240,%s=(advtrains_hud_bg.png^[resize\\:25x15^[colorize\\:gray)", flip and 65 or 30)
-- train control/safety indication
if train.tarvelocity or train.atc_command then
ht[#ht+1] = "10,10=(advtrains_hud_atc.png^[resize\\:30x30^[multiply\\:cyan)"
end
if train.hud_lzb_effect_tmr then
ht[#ht+1] = "50,10=(advtrains_hud_lzb.png^[resize\\:30x30^[multiply\\:red)"
end
if train.is_shunt then
ht[#ht+1] = "90,10=(advtrains_hud_shunt.png^[resize\\:30x30^[multiply\\:orange)"
end
-- door
ht[#ht+1] = "187,10=(advtrains_hud_bg.png^[resize\\:26x30^[colorize\\:white)"
ht[#ht+1] = "189,12=(advtrains_hud_bg.png^[resize\\:22x11)"
ht[#ht+1] = sformat("170,10=(advtrains_hud_bg.png^[resize\\:15x30^[colorize\\:%s)", train.door_open==-1 and "white" or "darkslategray")
ht[#ht+1] = "172,12=(advtrains_hud_bg.png^[resize\\:11x11)"
ht[#ht+1] = sformat("215,10=(advtrains_hud_bg.png^[resize\\:15x30^[colorize\\:%s)", train.door_open==1 and "white" or "darkslategray")
ht[#ht+1] = "217,12=(advtrains_hud_bg.png^[resize\\:11x11)"
-- speed indication(s)
sevenseg(math.floor(vel/10), 320, 10, 30, 10, "[colorize\\:red\\:255")
sevenseg(vel%10, 380, 10, 30, 10, "[colorize\\:red\\:255")
for i = 1, vel, 1 do
ht[#ht+1] = sformat("%d,65=(advtrains_hud_bg.png^[resize\\:8x20^[colorize\\:white)", i*11-1)
end
for i = max+1, 20, 1 do
ht[#ht+1] = sformat("%d,65=(advtrains_hud_bg.png^[resize\\:8x20^[colorize\\:darkslategray)", i*11-1)
end
if res and res > 0 then
ht[#ht+1] = sformat("%d,60=(advtrains_hud_bg.png^[resize\\:3x30^[colorize\\:red\\:255)", 7+res*11)
end
if train.tarvelocity then
ht[#ht+1] = sformat("%d,85=(advtrains_hud_arrow.png^[multiply\\:cyan^[transformFY^[makealpha\\:#000000)", 1+train.tarvelocity*11)
end
local lzb = train.lzb
if lzb and lzb.checkpoints then
local oc = lzb.checkpoints
for i = 1, #oc do
local spd = oc[i].speed
spd = advtrains.speed.min(spd, train.speed_restriction)
if spd == -1 then spd = nil end
local c = not spd and "lime" or (type(spd) == "number" and (spd == 0) and "red" or "orange") or nil
if c then
ht[#ht+1] = sformat("130,10=(advtrains_hud_bg.png^[resize\\:30x5^[colorize\\:%s)",c)
ht[#ht+1] = sformat("130,35=(advtrains_hud_bg.png^[resize\\:30x5^[colorize\\:%s)",c)
if spd and spd~=0 then
ht[#ht+1] = sformat("%d,50=(advtrains_hud_arrow.png^[multiply\\:red^[makealpha\\:#000000)", 1+spd*11)
end
local floor = math.floor
local dist = floor(((oc[i].index or train.index)-train.index))
dist = math.max(0, math.min(999, dist))
for j = 1, 3, 1 do
sevenseg(floor((dist/10^(3-j))%10), 119+j*11, 18, 4, 2, "[colorize\\:"..c)
end
break
end
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 = 15, velocity = 15, tarvelocity = 12,
active_control = true, lever = 3, ctrl = {lzb = true}, is_shunt = true,
door_open = 1, lzb = {oncoming = {{spd=6, idx=125.7}}}, index = 0,
}
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"},
}
}