60 lines
1.8 KiB
Lua
60 lines
1.8 KiB
Lua
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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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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=1
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if flip then fct=-1 end
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if not train then return "" end
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local max=advtrains.all_traintypes[train.traintype].max_speed or 10
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local vel=advtrains.abs_ceil(train.velocity)*fct
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local tvel=advtrains.abs_ceil(train.tarvelocity)*fct
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local firstLine, secondLine
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if vel<0 then
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firstLine="Speed: <"..string.rep("_", vel+max)..string.rep("+", -vel).."|"..string.rep("_", max)..">"
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else
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firstLine="Speed: <"..string.rep("_", max).."|"..string.rep("+", vel)..string.rep("_", max-vel)..">"
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end
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if tvel<0 then
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secondLine="Target: <"..string.rep("_", tvel+max)..string.rep("+", -tvel).."|"..string.rep("_", max)..">"
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else
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secondLine="Target: <"..string.rep("_", max).."|"..string.rep("+", tvel)..string.rep("_", max-tvel)..">"
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end
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if vel==0 then
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return firstLine.."\n"..secondLine.."\nup for forward, down for backward, use to get off train. "
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elseif vel<0 then
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return firstLine.."\n"..secondLine.."\nPress up to decelerate, down to accelerate, sneak to stop."
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elseif vel>0 then
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return firstLine.."\n"..secondLine.."\nPress up to accelerate, down to decelerate, sneak to stop."
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end
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end
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