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-rw-r--r--advtrains/trainhud.lua332
1 files changed, 332 insertions, 0 deletions
diff --git a/advtrains/trainhud.lua b/advtrains/trainhud.lua
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+++ b/advtrains/trainhud.lua
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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=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
+ 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"},
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 15:37:23 +0000