214 lines
5.4 KiB
Lua
214 lines
5.4 KiB
Lua
--trainhud.lua: holds all the code for train controlling
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advtrains.hud = {}
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advtrains.hhud = {}
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minetest.register_on_leaveplayer(function(player)
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advtrains.hud[player:get_player_name()] = nil
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advtrains.hhud[player:get_player_name()] = nil
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end)
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local mletter={[1]="F", [-1]="R", [0]="N"}
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local doorstr={[-1]="|<>| >|<", [0]=">|< >|<", [1]=">|< |<>|"}
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function advtrains.on_control_change(pc, train, flip)
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local maxspeed = train.max_speed or 10
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if pc.sneak then
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if pc.up then
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train.tarvelocity = maxspeed
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end
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if pc.down then
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train.tarvelocity = 0
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end
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if pc.left then
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train.tarvelocity = 4
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end
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if pc.right then
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train.tarvelocity = 8
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end
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--[[if pc.jump then
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train.brake = true
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--0: released, 1: brake and pressed, 2: released and brake, 3: pressed and brake
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if not train.brake_hold_state or train.brake_hold_state==0 then
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train.brake_hold_state = 1
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elseif train.brake_hold_state==2 then
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train.brake_hold_state = 3
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end
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elseif train.brake_hold_state==1 then
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train.brake_hold_state = 2
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elseif train.brake_hold_state==3 then
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train.brake = false
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train.brake_hold_state = 0
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end]]
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--shift+use:see wagons.lua
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else
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local act=false
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if pc.jump then
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train.ctrl.user = 1
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act=true
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end
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-- If atc command set, only "Jump" key can clear command. To prevent accidental control.
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if train.tarvelocity or train.atc_command then
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return
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end
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if pc.up then
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train.ctrl.user=4
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act=true
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end
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if pc.down then
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if train.velocity>0 then
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if pc.jump then
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train.ctrl.user = 0
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else
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train.ctrl.user = 2
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end
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act=true
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else
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advtrains.invert_train(train.id)
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advtrains.atc.train_reset_command(train)
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end
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end
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if pc.left then
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if train.door_open ~= 0 then
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train.door_open = 0
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else
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train.door_open = -1
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end
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end
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if pc.right then
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if train.door_open ~= 0 then
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train.door_open = 0
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else
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train.door_open = 1
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end
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end
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if not act then
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train.ctrl.user = nil
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end
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end
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end
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function advtrains.update_driver_hud(pname, train, flip)
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local inside=train.text_inside or ""
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advtrains.set_trainhud(pname, inside.."\n"..advtrains.hud_train_format(train, flip))
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end
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function advtrains.clear_driver_hud(pname)
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advtrains.set_trainhud(pname, "")
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end
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function advtrains.set_trainhud(name, text)
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local hud = advtrains.hud[name]
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local player=minetest.get_player_by_name(name)
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if not player then
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return
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end
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if not hud then
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hud = {}
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advtrains.hud[name] = hud
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hud.id = player:hud_add({
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hud_elem_type = "text",
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name = "ADVTRAINS",
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number = 0xFFFFFF,
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position = {x=0.5, y=0.7},
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offset = {x=0, y=0},
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text = text,
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scale = {x=200, y=60},
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alignment = {x=0, y=0},
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})
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hud.oldText=text
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return
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elseif hud.oldText ~= text then
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player:hud_change(hud.id, "text", text)
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hud.oldText=text
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end
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end
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function advtrains.set_help_hud(name, text)
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local hud = advtrains.hhud[name]
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local player=minetest.get_player_by_name(name)
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if not player then
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return
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end
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if not hud then
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hud = {}
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advtrains.hhud[name] = hud
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hud.id = player:hud_add({
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hud_elem_type = "text",
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name = "ADVTRAINS_HELP",
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number = 0xFFFFFF,
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position = {x=1, y=0.3},
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offset = {x=0, y=0},
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text = text,
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scale = {x=200, y=60},
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alignment = {x=1, y=0},
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})
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hud.oldText=text
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return
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elseif hud.oldText ~= text then
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player:hud_change(hud.id, "text", text)
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hud.oldText=text
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end
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end
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--train.lever:
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--Speed control lever in train, for new train control system.
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--[[
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Value Disp Control Meaning
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0 BB S+Space Emergency Brake
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1 B Space Normal Brake
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2 - S Roll
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3 o <none> Stay at speed
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4 + W Accelerate
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]]
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function advtrains.hud_train_format(train, flip)
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local fct=flip and -1 or 1
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if not train then return "" end
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local max = train.max_speed or 10
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local res = train.speed_restriction or max
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local vel = advtrains.abs_ceil(train.velocity)
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local vel_kmh=advtrains.abs_ceil(advtrains.ms_to_kmh(train.velocity))
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local levers = "B - o +"
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local tlev=train.lever
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if train.velocity==0 and not train.active_control then tlev=1 end
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if tlev == 0 then levers = ">BB< - o +" end
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if tlev == 1 then levers = ">B< - o +" end
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if tlev == 2 then levers = "B >-< o +" end
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if tlev == 3 then levers = "B - >o< +" end
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if tlev == 4 then levers = "B - o >+<" end
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local topLine, firstLine
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local secondLine
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if train.tarvelocity or train.atc_command then
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local b=" "
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local tvels=""
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if train.tarvelocity then
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local tvel = advtrains.abs_ceil(train.tarvelocity)
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tvels = "|"..string.rep("+", tvel)..string.rep("_", max-tvel)
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end
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if train.atc_brake_target then
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b="-B-"
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end
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local ad = ""
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if train.atc_delay then
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ad = " "..advtrains.abs_ceil(train.atc_delay).."s "
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end
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secondLine="ATC"..b..": "..tvels..ad..(train.atc_command or "")
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else
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secondLine = "Manual operation"
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if train.ctrl.lzb then
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secondLine = "-!- Safety override -!-"
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end
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end
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local shtind = train.is_shunt and "S" or ">"
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topLine=" ["..mletter[fct].."] {"..levers.."} "..doorstr[(train.door_open or 0)].." "..(train.line and "L: "..train.line or "")
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firstLine=attrans("Speed:").." |"..string.rep("+", vel)..string.rep("_", res-vel).."|"..string.rep("_", max-res)..shtind.." "..vel_kmh.." km/h"
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if train.speed_restriction == 0 then
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firstLine = "OVERRUN RED SIGNAL! Examine situation and reverse train to move again."
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end
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return (train.debug or "").."\n"..topLine.."\n"..firstLine.."\n"..secondLine
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end
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