mirror of
https://gitlab.com/4w/mtimer.git
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74 lines
3.1 KiB
Lua
74 lines
3.1 KiB
Lua
local m = mtimer
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-- Calculate HUD positions and offsets
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--
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-- Based on the given named position a table of positional tables is returned
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-- by this helper function. When an invalid named position is provided all
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-- tables only contain 0 values. Valid positions shown in the diagram below.
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--
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-- +--------------------------------+
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-- | tl tc tr |
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-- | |
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-- | |
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-- | ml mc mr |
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-- | |
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-- | |
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-- | bl bc br |
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-- +--------------------------------+
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--
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-- For orientation: `mc` is the center of the screen (where the crosshair is).
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-- `bc` is the location of the hotbar and health bars, etc.
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-- Both are valid positions but should not be used.
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--
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-- @param pos A positional string as described
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-- @return table a Table containing the positional tables based on the string
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local get_hud_positions = function (pos)
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local p = { x = 0, y = 0 }
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local a = { x = 0, y = 0 }
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local o = { x = 0, y = 0 }
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if pos == 'tl' then p = {x=0, y=0 } a = {x=1, y=1 } o = {x=5, y=3} end
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if pos == 'tc' then p = {x=0.5,y=0 } a = {x=0, y=1 } o = {x=0, y=3} end
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if pos == 'tr' then p = {x=1, y=0 } a = {x=-1,y=1 } o = {x=-6,y=3} end
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if pos == 'ml' then p = {x=0, y=0.5} a = {x=1, y=0 } o = {x=5, y=0} end
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if pos == 'mc' then p = {x=0.5,y=0.5} a = {x=0, y=0 } o = {x=0, y=0} end
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if pos == 'mr' then p = {x=1, y=0.5} a = {x=-1,y=0 } o = {x=-6,y=0} end
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if pos == 'bl' then p = {x=0, y=1 } a = {x=1, y=-1} o = {x=5, y=0} end
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if pos == 'bc' then p = {x=0.5,y=1 } a = {x=0, y=-1} o = {x=0, y=0} end
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if pos == 'br' then p = {x=1, y=1 } a = {x=-1,y=-1} o = {x=-6,y=0} end
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return { position = p, alignment = a, offset = o }
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end
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-- Update the timer
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--
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-- This function updates the timer for the given player referenced by the
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-- player’s name. The function is called when a formspec update (fields) is
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-- sent to the server and is automatically called by the registered globalstep.
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--
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-- The function sets the needed values based on the player meta data and uses
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-- the `mtimer.get_timer_data` function for the actual data to be shown.
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--
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-- @param player_name Name of the player to update the timer for
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-- @return void
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mtimer.update_timer = function (player_name)
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local player = minetest.get_player_by_name(player_name)
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local meta = player:get_meta()
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local m = m.meta
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local hud_id = meta:get_string('mtimer:hud_id')
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local text = mtimer.get_timer_data(player_name).formatted
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local number = meta:get_string(m.color.key):gsub('#', '0x')
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local orientation = get_hud_positions(meta:get_string(m.position.key))
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if meta:get_string(m.visible.key) == 'false' then text = '' end
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player:hud_change(hud_id, 'text', text)
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player:hud_change(hud_id, 'number', number)
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player:hud_change(hud_id, 'position', orientation.position)
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player:hud_change(hud_id, 'alignment', orientation.alignment)
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player:hud_change(hud_id, 'offset', orientation.offset)
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end
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