76 lines
2.0 KiB
Lua
76 lines
2.0 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2019-2020 Joachim Stolberg
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GPL v3
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See LICENSE.txt for more information
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Power Formspec Functions
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]]--
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--local P2S = minetest.pos_to_string
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--local M = minetest.get_meta
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--local N = function(pos) return minetest.get_node(pos).name end
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--local S = techage.S
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local in_range = techage.in_range
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function techage.power.percent(max_val, curr_val)
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return math.min(math.ceil(((curr_val or 0) * 100.0) / (max_val or 1.0)), 100)
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end
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function techage.power.formspec_load_bar(charging, max_val)
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local percent
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charging = charging or 0
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max_val = max_val or 1
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if charging ~= 0 then
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percent = 50 + math.ceil((charging * 50.0) / max_val)
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end
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if charging > 0 then
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return "techage_form_level_off.png^[lowpart:"..percent..":techage_form_level_charge.png"
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elseif charging < 0 then
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return "techage_form_level_unload.png^[lowpart:"..percent..":techage_form_level_off.png"
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else
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return "techage_form_level_off.png"
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end
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end
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function techage.power.formspec_power_bar(max_power, current_power)
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if (current_power or 0) == 0 then
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return "techage_form_level_bg.png"
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end
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local percent = techage.power.percent(max_power, current_power)
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percent = (percent + 5) / 1.22 -- texture correction
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return "techage_form_level_bg.png^[lowpart:"..percent..":techage_form_level_fg.png"
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end
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function techage.power.formspec_label_bar(x, y, label, max_power, current_power)
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local percent, ypos
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current_power = current_power or 0
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if current_power == 0 then
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percent = 0
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ypos = 2.8
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else
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percent = techage.power.percent(max_power, current_power)
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-- 0.4 to 2.8 = 2.4
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local offs = 2.4 - (current_power / max_power) * 2.4
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ypos = 0.4 + in_range(offs, 0.4, 2.4)
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end
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percent = (percent + 5) / 1.1 -- texture correction
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return "container["..x..","..y.."]"..
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"box[0,0;2.3,3.3;#395c74]"..
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"label[0.2,0;"..label.."]"..
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"label[0.7,0.4;"..max_power.." ku]"..
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"image[0,0.5;1,3;"..
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"techage_form_level_bg.png^[lowpart:"..percent..
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":techage_form_level_fg.png]"..
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"label[0.7,"..ypos..";"..current_power.." ku]"..
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"container_end[]"
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end
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