71 lines
1.8 KiB
Lua
71 lines
1.8 KiB
Lua
skycolor = {
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-- Should be activated before do any effect.
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active = false,
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-- Update interval.
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update_interval = 15,
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-- Main sky colors: starts from midnight to midnight.
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colors = {},
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-- Update sky color. If players not specified update sky for all players.
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update_sky_color = function(players)
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local timeofday = minetest.get_timeofday()
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local rounded_time = math.floor(timeofday * 1000)
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local color = skycolor.utils.convert_to_rgb(0, 1000, rounded_time, skycolor.colors)
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if players == nil or #players == 0 then
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players = minetest.get_connected_players()
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end
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for _, player in ipairs(players) do
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player:set_sky(color, "plain", nil)
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end
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end,
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-- Reset sky color to game default. If players not specified update sky for all players.
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set_default_sky = function(players)
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if players == nil or #players == 0 then
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players = minetest.get_connected_players()
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end
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for _, player in ipairs(players) do
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player:set_sky(nil, "regular", nil)
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end
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end,
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utils = {
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convert_to_rgb = function(minval, maxval, current_val, colors)
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local max_index = #colors - 1
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local val = (current_val-minval) / (maxval-minval) * max_index + 1.0
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local index1 = math.floor(val)
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local index2 = math.min(math.floor(val)+1, max_index + 1)
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local f = val - index1
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local c1 = colors[index1]
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local c2 = colors[index2]
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return {r=math.floor(c1.r + f*(c2.r - c1.r)), g=math.floor(c1.g + f*(c2.g-c1.g)), b=math.floor(c1.b + f*(c2.b - c1.b))}
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end
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},
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}
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local timer = -1
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minetest.register_globalstep(function(dtime)
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if skycolor.active ~= true then
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return
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end
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-- exceptional first time update
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if timer <= 0 then
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skycolor.update_sky_color()
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timer = 0
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return
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end
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-- regular updates based on iterval
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timer = timer + dtime;
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if timer >= skycolor.update_interval then
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skycolor.update_sky_color()
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timer = 0
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end
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end) |