129 lines
3.4 KiB
Lua
129 lines
3.4 KiB
Lua
--trainhud.lua: holds all the code for train controlling
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advtrains.hud = {}
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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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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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if pc.up then
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train.tarvelocity = math.min(train.tarvelocity + 1, maxspeed)
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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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train.tarvelocity = math.max(train.tarvelocity - 1, 0)
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else
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train.movedir = -train.movedir
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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 = -train.movedir
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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 = train.movedir
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end
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end
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if train.brake_hold_state~=2 then
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train.brake = false
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end
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if pc.jump then
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train.brake = true
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end
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if pc.aux1 then
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--horn
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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.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 vel=advtrains.abs_ceil(train.velocity)
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local tvel=advtrains.abs_ceil(train.tarvelocity)
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local vel_kmh=advtrains.abs_ceil(advtrains.ms_to_kmh(train.velocity))
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local tvel_kmh=advtrains.abs_ceil(advtrains.ms_to_kmh(train.tarvelocity))
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local topLine, firstLine, secondLine
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topLine=" ["..mletter[fct*train.movedir].."] "..doorstr[(train.door_open or 0) * train.movedir].." "..(train.brake and "="..( train.brake_hold_state==2 and "^" or "" ).."B=" or "")
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firstLine=attrans("Speed:").." |"..string.rep("+", vel)..string.rep("_", max-vel).."> "..vel_kmh.." km/h"
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secondLine=attrans("Target:").." |"..string.rep("+", tvel)..string.rep("_", max-tvel).."> "..tvel_kmh.." km/h"
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return topLine.."\n"..firstLine.."\n"..secondLine
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end
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