mirror of
https://gitlab.com/4w/mtimer.git
synced 2025-04-05 00:21:36 +02:00
100 lines
3.4 KiB
Lua
100 lines
3.4 KiB
Lua
-- Localise needed functions
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local m = mtimer
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local S = m.translator
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local esc = minetest.formspec_escape
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-- Draw a scale ruler
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--
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-- This function creates a two-colored ruler that can be used as scale for
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-- scrollbars, etc. It is optionally possible to write first and last value
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-- below the scale ruler.
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--
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-- @param steps Steps the ruler should have
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-- @param length Overall length of the ruler in formspec units
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-- @param height Height of the ruler in formspec units
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-- @param pos A simple position table ({x=0,y=0}) for the container
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-- @param c_odd Odd segment color
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-- @param c_even Even segment color
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-- @param mark Either nil or a number in formspec units for the markings
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--
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-- @return string The formspec code for the scale ruler
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local draw_scale_ruler = function (steps,length,height,pos,c_odd,c_even,mark)
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local elements = ''
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local marks = ''
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local step_width = length / steps
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-- Build scale
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for step=1,steps,1 do
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elements = elements..' '..(('box[+x,+y;+w,+h;+c]'):gsub('%+%w', {
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['+x'] = step_width * (step - 1),
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['+y'] = 0,
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['+w'] = step_width,
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['+h'] = height,
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['+c'] = (step % 2 == 0) and c_even or c_odd,
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}))
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end
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-- Build marks (start, end)
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if type(mark) == 'number' then
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local template = 'image_button[+x,+y;+w,+h;+t;;+l;;false]'
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local m_start = template:gsub('%+%w',{
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['+x'] = 0,
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['+y'] = 0,
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['+w'] = step_width,
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['+h'] = 0.5,
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['+t'] = 'mtimer_transparent.png',
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['+l'] = length / steps
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})
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local m_end = template:gsub('%+%w', {
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['+x'] = (step_width * steps) - step_width,
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['+y'] = 0,
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['+w'] = step_width,
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['+h'] = 0.5,
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['+t'] = 'mtimer_transparent.png',
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['+l'] = steps
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})
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marks = 'container[0,'..mark..'] '..m_start..m_end..' container_end[]'
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end
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return table.concat({
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'container['..pos.x..','..pos.y..']',
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elements,
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marks,
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'container_end[]'
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}, ' ')
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end
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mtimer.dialog.hud_element_scale = function (player_name)
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local player = minetest.get_player_by_name(player_name)
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local scale = player:get_meta():get_string(m.meta.hud_element_scale.key)
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local sb_options = table.concat({
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'min=1',
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'max=10',
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'smallstep=1',
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'largestep=10',
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'thumbsize=1',
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'arrows=hide'
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}, ';')
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local infotext = S('The HUD element can be scaled between 1x (original size) and 10x (largest size due to performance reasons). Use the slider above to adjust the scaling to your needs.')
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infotext = infotext..'\n\n'..S('Due to technical reasons the slider position does not reset when clicking the button to set to default values. The HUD element itself resets, and when re-entering this dialog the slider position is properly set.')
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mtimer.show_formspec('mtimer:hud_element_scale', {
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title = S('HUD Element Scale'),
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show_to = player_name,
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formspec = {
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draw_scale_ruler(10,10,0.25,{x=0,y=0},'#729fcf','#73f216',0.45),
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'scrollbaroptions['..sb_options..']',
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'scrollbar[0,0.25;10,0.25;horizontal;new_value;'..scale..']',
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'box[0,1.13;+contentWidth,0.01;#ffffff]',
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'textarea[0,1.5;10,3;;;'..esc(infotext)..']',
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}
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})
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end
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