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Code Issues Releases Wiki Activity

Better forcefield control dialog

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The size configuration is no longer cleared when exiting the dialog with
<esc>.  The enable/disable toggle button now indicates the current state.
The name of the toggle button now varies according to state, so that
pressing the button multiple times in one state (which can arise due
to lag making the user unsure about whether the first press registered)
only makes the state change that the user requested, rather than toggling
repeatedly.
This commit is contained in:
Zefram 2014-07-02 23:59:53 +01:00 committed by Vanessa Ezekowitz
parent c0a17396bf
commit 2d6f34df15
1 changed files with 23 additions and 24 deletions
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31
technic/machines/HV/forcefield.lua
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@ -62,35 +62,34 @@ local function update_forcefield(pos, range, active)
vm:update_map()
end
local get_forcefield_formspec = function(range)
return "size[3,1.5]"..
"field[1,0.5;2,1;range;"..S("Range")..";"..range.."]"..
"button[0,1;3,1;toggle;"..S("Enable/Disable").."]"
local function set_forcefield_formspec(meta)
local formspec = "size[5,1.5]"..
"field[2,0.5;2,1;range;"..S("Range")..";"..meta:get_int("range").."]"
if meta:get_int("enabled") == 0 then
formspec = formspec.."button[0,1;5,1;enable;"..S("%s Disabled"):format(S("%s Forcefield Emitter"):format("HV")).."]"
else
formspec = formspec.."button[0,1;5,1;disable;"..S("%s Enabled"):format(S("%s Forcefield Emitter"):format("HV")).."]"
end
meta:set_string("formspec", formspec)
end
local forcefield_receive_fields = function(pos, formname, fields, sender)
local meta = minetest.get_meta(pos)
if fields.range then
local range = tonumber(fields.range) or 0
if fields.toggle then
if meta:get_int("enabled") == 1 then
meta:set_int("enabled", 0)
else
meta:set_int("enabled", 1)
end
end
-- Smallest field is 5. Anything less is asking for trouble.
-- Largest is 20. It is a matter of pratical node handling.
-- At the maximim range updating the forcefield takes about 0.2s
range = math.max(range, 5)
range = math.min(range, 20)
if meta:get_int("range") ~= range then
update_forcefield(pos, meta:get_int("range"), false)
meta:set_int("range", range)
meta:set_string("formspec", get_forcefield_formspec(range))
end
end
if fields.enable then meta:set_int("enabled", 1) end
if fields.disable then meta:set_int("enabled", 0) end
set_forcefield_formspec(meta)
end
local mesecons = {
@ -115,8 +114,8 @@ minetest.register_node("technic:forcefield_emitter_off", {
meta:set_int("HV_EU_demand", 0)
meta:set_int("range", 10)
meta:set_int("enabled", 0)
meta:set_string("formspec", get_forcefield_formspec(10))
meta:set_string("infotext", S("%s Forcefield Emitter"):format("HV"))
set_forcefield_formspec(meta)
end,
mesecons = mesecons
})