elepower/elepower_tome/i_page_help.lua

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Lua
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---------------------------------------------------
-- ___ _ --
-- | __| |___ _ __ _____ __ _____ _ _ --
-- | _|| / -_) '_ \/ _ \ V V / -_) '_| --
-- |___|_\___| .__/\___/\_/\_/\___|_| --
-- |_| --
-- _____ --
-- |_ _|__ _ __ ___ --
-- | |/ _ \ ' \/ -_) --
-- |_|\___/_|_|_\___| --
---------------------------------------------------
-- How to use/Help --
---------------------------------------------------
function eletome.how_use_page(name_value)
-- Page to view how to use a node/getting started
--"action:getting_started"
--"elepower_machines:electrolyzer" = ""
local t_split = string.split(name_value,":")
local is_help = false
if t_split[1] == "action" then
is_help = true
end
-- get page heading and sub-heading
local pg_heading
local pg_subhead
if is_help then
pg_heading = string.gsub(t_split[2],"_", " ")
-- change all 1st letters to upper -
-- https://stackoverflow.com/questions/20284515/capitalize-first-letter-of-every-word-in-lua
pg_heading = string.gsub(" "..pg_heading, "%W%l", string.upper):sub(2)
pg_subhead = "Help"
name_value = t_split[2]
else
pg_heading = minetest.registered_nodes[name_value].description
pg_subhead = "How to use"
end
-- Assign Common styles to local vars
local sty_h0s = eletome.common_styles.style_h0s
local sty_h0e = eletome.common_styles.style_h0e
local sty_h1s = eletome.common_styles.style_h1s
local sty_h1e = eletome.common_styles.style_h1e
local sty_h2s = eletome.common_styles.style_h2s
local sty_h2e = eletome.common_styles.style_h2e
local sty_h3s = eletome.common_styles.style_h3s
local sty_h3e = eletome.common_styles.style_h3e
local sty_h4s = eletome.common_styles.style_h4s
local sty_h4e = eletome.common_styles.style_h4e
-- Additional Info Table
local add_info = eletome.ai.nodes
---------------
-- left page --
---------------
local left_image = add_info[name_value].hu_img_1 or "elepower_tome_empty.png"
local lp_offset = 0
if left_image == "elepower_tome_empty.png" then
lp_offset = 3.75
end
if type(left_image) == "table" then
left_image = add_info[name_value].hu_img_1[1]
else
left_image = "image[2.25,6.6;5,3.75;"..left_image.."]"
end
local lp_heading = "hypertext[0.5,0.7;8.5,0.95;lp_heading;"..sty_h0s..pg_heading..sty_h0e.."]"
local lp_sub_head = "hypertext[0.5,1.4;8.5,0.9;lp_sub_heading;"..sty_h1s..pg_subhead..sty_h1e.."]"
local lp_image = left_image
local lp_text = "hypertext[0.75,2.1;8.0,"..(4.5+lp_offset)..";use_txt;"..sty_h4s..(add_info[name_value].how_use_1 or "")..sty_h4e.."]"
----------------
-- Right page --
----------------
local right_image = add_info[name_value].hu_img_2 or "elepower_tome_empty.png"
local right_txt = add_info[name_value].how_use_2 or ""
local rp_txt_offset = 0
local rp_img_offset = 0
if right_image == "elepower_tome_empty.png" then
rp_txt_offset = 3.75
end
if right_txt == "" or right_txt == nil then
rp_img_offset = -6.1
end
if type(right_image) == "table" then
right_image = "container[9.25,"..(6.6+rp_img_offset).."]"..add_info[name_value].hu_img_2[1].."container_end[]"
else
right_image = "image[10.75,"..(6.6+rp_img_offset)..";5,3.75;"..right_image.."]"
end
local rp_text = "hypertext[9.25,1.4;8.0,"..(4.5+rp_txt_offset)..";use_txt;"..sty_h4s..right_txt..sty_h4e.."]"
local rp_image = right_image
local eletome_how_use = lp_heading..lp_sub_head..lp_image..lp_text..rp_text ..rp_image
return eletome_how_use
end