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GNU AFFERO GENERAL PUBLIC LICENSE
Version 3, 19 November 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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Notwithstanding any other provision of this License, if you modify the
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If the disclaimer of warranty and limitation of liability provided
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
A ingame documentation library based on markdown files.
Copyright (C) 2023 Joachim Stolberg
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<https://www.gnu.org/licenses/>.

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--[[
DocLib
======
Copyright (C) 2023 Joachim Stolberg
AGPL v3
See LICENSE.txt for more information
A ingame documentation library based on markdown files.
]]--
function doclib.create_manual(mod, language, settings)
doclib.manual = doclib.manual or {}
doclib.manual.mod = doclib.manual.mod or {}
doclib.manual.mod.language = doclib.manual.mod.language or {settings = settings,
content = {
aTitles = {},
aTexts = {},
aImages = {},
aPlans = {}
}
}
end
function doclib.add_to_manual(mod, language, content)
local manual = doclib.manual.mod.language
for _, item in ipairs(content.titles) do
table.insert(manual.content.aTitles, item)
end
for _, item in ipairs(content.texts) do
table.insert(manual.content.aTexts, item)
end
for _, item in ipairs(content.images) do
table.insert(manual.content.aImages, item)
end
for _, item in ipairs(content.plans) do
table.insert(manual.content.aPlans, item)
end
end
-- Replace images tags from the markdown file with real PNG file names or node names
function doclib.add_manual_images(mod, language, table_with_images)
local manual = doclib.manual.mod.language
for k, v in pairs(table_with_images) do
manual.kvImages[k] = v
end
end
-- Replace plan tags from the markdown file with real Lua plan tables
function doclib.add_manual_plans(mod, language, table_with_plans)
local manual = doclib.manual.mod.language
for k, v in pairs(table_with_plans) do
manual.kvPlans[k] = v
end
end

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--[[
DocLib
======
Copyright (C) 2023 Joachim Stolberg
AGPL v3
See LICENSE.txt for more information
A ingame documentation library based on markdown files.
]]--
-- for lazy programmers
local S = doclib.S
local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
local S2P = minetest.string_to_pos
local M = minetest.get_meta
local function tooltip(item)
if type(item) == "table" then
local img, name = item[1], item[2]
if img == "" then -- larger image for the plan?
return "", name
elseif img == "10x10" then -- huge image for the plan?
return "10x10", name
elseif img == "5x4" then -- huge image for the plan?
return "5x4", name
end
local ndef = minetest.registered_nodes[name]
if ndef and ndef.description then
return img, minetest.formspec_escape(ndef.description)
end
return img
end
return item
end
-- formspec images
local function plan(images)
local tbl = {}
if images == "none" then return "label[1,3;"..S("No plan available") .."]" end
for y=1,#images do
for x=1,#images[1] do
local item = images[y][x] or false
if item ~= false then
local img, tooltip = tooltip(item)
local x_offs, y_offs = (x-1) * 0.9, (y-1) * 0.9 + 0.8
if img == "top_view" then
tbl[#tbl+1] = "label["..x_offs..","..y_offs..";"..S("Top view").."]"
elseif img == "side_view" then
tbl[#tbl+1] = "label["..x_offs..","..y_offs..";"..S("Side view").."]"
elseif img == "sectional_view" then
tbl[#tbl+1] = "label["..x_offs..","..y_offs..";"..S("Sectional view").."]"
elseif img == "" then
img = tooltip -- use tooltip for bigger image
tbl[#tbl+1] = "image["..x_offs..","..y_offs..";2.2,2.2;"..img.."]"
elseif img == "10x10" then
img = tooltip -- use tooltip for bigger image
tbl[#tbl+1] = "image["..x_offs..","..y_offs..";10,10;"..img.."]"
elseif img == "5x4" then
img = tooltip -- use tooltip for bigger image
tbl[#tbl+1] = "image["..x_offs..","..y_offs..";5,4;"..img.."]"
elseif string.find(img, ":") then
tbl[#tbl+1] = "item_image["..x_offs..","..y_offs..";1,1;"..img.."]"
else
tbl[#tbl+1] = "image["..x_offs..","..y_offs..";1,1;"..img.."]"
end
if tooltip then
tbl[#tbl+1] = "tooltip["..x_offs..","..y_offs..";1,1;"..tooltip..";#0C3D32;#FFFFFF]"
end
end
end
end
return table.concat(tbl)
end
local function formspec_help(meta, manual)
local idx = meta:get_int("doclib_index")
local box = "box[9.5,0.9;1,1.1;#BBBBBB]"
local bttn
if manual.content.aPlans[idx] ~= "" then
bttn = "button[9.6,1;1,1;plan;"..S("Plan").."]"
elseif manual.content.aImages[idx] ~= "" then
local item = manual.content.aImages[idx] or ""
if string.find(item, ":") then
bttn = box.."item_image[9.6,1;1,1;"..item.."]"
else
bttn = "image[9.3,1;2,2;"..item.."]"
end
else
bttn = box
end
return "size[11,10]" ..
"item_image[9.6,0;1,1;doclib:construction_board]" ..
"tablecolumns[tree,width=1;text,width=10,align=inline]" ..
"tableoptions[opendepth=1]" ..
"table[0.1,0;9,5;page;" .. table.concat(manual.content.aTitles, ",") .. ";" .. idx .. "]" ..
bttn ..
"box[0,5.75;10.775,4.45;#000000]" ..
"style_type[textarea;textcolor=#FFFFFF]" ..
"textarea[0.3,5.7;11,5.3;;;" .. (manual.content.aTexts[idx] or "") .. "]"
end
local function formspec_plan(meta, manual)
local idx = meta:get_int("doclib_index")
local images = manual.content.aPlans[idx] or "none"
local titel = string.sub(manual.content.aTitles[idx], 3) or "unknown"
return "size[11,10]" ..
"label[0,0;"..titel..":]" ..
"button[10,0;1,0.8;back;<<]" ..
plan(images)
end
function doclib.formspec(pos, mod, language, fields)
local manual = doclib.manual.mod.language
local meta = M(pos)
if not fields then
meta:set_int("doclib_index", 1)
return formspec_help(meta, manual)
elseif fields.plan then
return formspec_plan(meta, manual)
elseif fields.back then
return formspec_help(meta, manual)
elseif fields.page then
local evt = minetest.explode_table_event(fields.page)
if evt.type == "CHG" then
local idx = tonumber(evt.row)
meta:set_int("doclib_index", idx)
end
end
return formspec_help(meta, manual)
end

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--[[
DocLib
======
Copyright (C) 2023 Joachim Stolberg
AGPL v3
See LICENSE.txt for more information
A ingame documentation library based on markdown files.
]]--
doclib = {}
-- Version for compatibility checks, see readme.md/history
doclib.version = 1.0
-- Load support for I18n.
doclib.S = minetest.get_translator("doclib")
local MP = minetest.get_modpath("doclib")
dofile(MP.."/formspec.lua")
dofile(MP.."/api.lua")
dofile(MP.."/node.lua") -- only for testing purposes

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return {
titles = {
"1,Demo Title",
"2,Firt Steps",
},
texts = {
"This is some demo text to demonstrate the generation of ingame manuals from\n"..
"markdown files.\n"..
"\n"..
"An advantage of this solution is the dual use of the documentation:\n"..
"\n"..
" - The markdown file as web solution e. g. on GitHub\n"..
" - The lua code for the ingame manual\n"..
"\n",
"After you have placed the Signs Bot Box\\, you can start the bot by means of the\n"..
"'On' button in the box menu. If the bot returns to its box right away\\,\n"..
"you will need to charge it with electrical energy (techage) first.\n"..
"The bot then runs straight up until it reaches an obstacle\n"..
"(a step with two or more blocks up or down or a sign.)\n"..
"\n"..
" jump <label> -- jump command\\, <label> is a word from the characters a-z or A-Z\n"..
" <label>: -- jump label / start of a function\n"..
" return -- return from a function\n"..
" repeat <num> -- start of a loop block\\, <num> is a number 1..999\n"..
" end -- end of a loop block\n"..
" call <label> -- call of a function (with return via the command 'return')\n"..
"\n",
},
images = {
"",
"",
},
plans = {
"",
"",
}
}

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# Demo Title
This is some demo text to demonstrate the generation of ingame manuals from
markdown files.
An advantage of this solution is the dual use of the documentation:
- The markdown file as web solution e. g. on GitHub
- The lua code for the ingame manual
## Firt Steps
After you have placed the Signs Bot Box, you can start the bot by means of the
'On' button in the box menu. If the bot returns to its box right away,
you will need to charge it with electrical energy (techage) first.
The bot then runs straight up until it reaches an obstacle
(a step with two or more blocks up or down or a sign.)
```
jump <label> -- jump command, <label> is a word from the characters a-z or A-Z
<label>: -- jump label / start of a function
return -- return from a function
repeat <num> -- start of a loop block, <num> is a number 1..999
end -- end of a loop block
call <label> -- call of a function (with return via the command 'return')
```

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# install mistune v0.8.4 with: pip install mistune==0.8.4
import re
import mistune
assert(mistune.__version__ == "0.8.4")
__version__ = "1.0"
class WikiLinkInlineLexer(mistune.InlineLexer):
def enable_wiki_link(self):
# add wiki_link rules
self.rules.wiki_link = re.compile(
r'\[' # [
r'([\s\S]+?\|[\s\S]+?)' # name| img-type
r'\](?!\])' # ]
)
# Add wiki_link parser to default rules
# you can insert it some place you like
# but place matters, maybe 3 is not good
self.default_rules.insert(3, 'wiki_link')
def output_wiki_link(self, m):
text = m.group(1)
name, itype = text.split('|')
# you can create an custom render
# you can also return the html if you like
return self.renderer.wiki_link(name, itype)
class MarkdownToLua(mistune.Renderer):
def __init__(self, *args, **kwargs):
mistune.Renderer.__init__(self, *args, **kwargs)
self.item_name = ""
self.plan_table = ""
self.is_first_header = True
self.text_chunck = []
self.lTitle = []
self.lText = []
self.lItemName = []
self.lPlanTable = []
print("Markdown-to-Lua v%s" % __version__)
def m2l_formspec_escape(self, text):
text = text.replace("\\", "")
text = text.replace("[", "\\\\[")
text = text.replace("]", "\\\\]")
text = text.replace(";", "\\\\;")
text = text.replace(",", "\\\\,")
text = text.replace('"', '\\"')
text = text.replace('\n', '\\n')
return text
def m2l_add_last_paragraph(self):
"""
Used to add a text block before the next header or at the end of the document
"""
self.lText.append(self.text_chunck)
self.text_chunck = []
self.lItemName.append(self.item_name)
self.item_name = ""
self.lPlanTable.append(self.plan_table)
self.plan_table = ""
##
## Block Level
##
def block_code(self, code, lang):
text = self.m2l_formspec_escape(code.strip())
lines = text.split("\\n")
lines = [" " + item for item in lines]
self.text_chunck.extend(lines)
self.text_chunck.append("")
return ""
def header(self, text, level, raw=None):
if not self.is_first_header:
self.m2l_add_last_paragraph()
self.is_first_header = False
self.lTitle.append("%u,%s" % (level, self.m2l_formspec_escape(text)))
return ""
def hrule(self):
self.text_chunck.append("\n----------------------------------------------------\n")
return ""
def paragraph(self, text):
lines = text.split("\\n") + [""]
self.text_chunck.extend(lines)
return ""
def list(self, body, ordered=True):
lines = body.split("\n")
self.text_chunck.extend(lines)
return ""
def list_item(self, text):
return " - %s\n" % text.strip()
##
## Span Level
##
def emphasis(self, text):
return "*%s*" % self.m2l_formspec_escape(text)
def double_emphasis(self, text):
return "*%s*" % self.m2l_formspec_escape(text)
def codespan(self, text):
return "'%s'" % self.m2l_formspec_escape(text)
def text(self, text):
return self.m2l_formspec_escape(text)
def link(self, link, title, content):
"""
Used for plans and images:
[myimage](/image/)
[myplan](/plan/)
"""
if link == "/image/":
self.item_name = content
elif link == "/plan/":
self.plan_table = content
return content
def wiki_link(self, name, itype):
"""
Used for plans and images:
[myimage|image]
[myplan|plan]
"""
if itype == "image":
self.item_name = name
elif itype == "plan":
self.plan_table = name
return ""
def autolink(self, link, is_email=False):
return link
def linebreak(self):
return "\\n"
def newline(self):
return "\\n"
def inline_html(self, text):
#print(text)
pass
def parse_md_file(self, src_name):
print(" - Read MD file '%s'" % src_name)
inline = WikiLinkInlineLexer(self)
# enable the feature
inline.enable_wiki_link()
md = mistune.Markdown(renderer=self, inline=inline)
md.renderer.src_name = src_name
md.render(open(src_name, 'r').read())
md.renderer.m2l_add_last_paragraph()
def lua_table(self, key, lData):
lOut = []
lOut.append(" %s = {" % key)
for line in lData:
lOut.append(' "%s",' % line)
lOut.append(" }")
return "\n".join(lOut)
def lua_text_table(self, key, lData):
lOut = []
lOut.append(" %s = {" % key)
for lines in lData:
for line in lines[:-1]:
line = line.replace('<br>', '\\n')
lOut.append(' "%s\\n"..' % line)
if len(lines) > 0:
lOut.append(' "%s\\n",' % lines[-1])
else:
lOut.append(' "",')
lOut.append(" }")
return "\n".join(lOut)
def gen_lua_file(self, dest_name):
print(" - Write Lua file '%s'" % dest_name)
lOut = []
s = ",\n".join([self.lua_table("titles", self.lTitle),
self.lua_text_table("texts", self.lText),
self.lua_table("images", self.lItemName),
self.lua_table("plans", self.lPlanTable)])
open(dest_name, "w").write("return {\n%s\n}" % s)
print("done.")
m2l = MarkdownToLua()
m2l.parse_md_file("./manual_EN.md")
m2l.gen_lua_file("./manual_EN.lua")
#m2l = MarkdownToLua()
#m2l.parse_md_file("./manual_DE.md")
#m2l.gen_lua_file("./manual_DE.lua")
# You can add further languages

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name = doclib
description = A ingame documentation library based on markdown files.
author = joe7575

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--[[
DocLib
======
Copyright (C) 2023 Joachim Stolberg
AGPL v3
See LICENSE.txt for more information
A ingame documentation library based on markdown files.
]]--
-- for lazy programmers
local S = doclib.S
local P2S = function(pos) if pos then return minetest.pos_to_string(pos) end end
local S2P = minetest.string_to_pos
local M = minetest.get_meta
local MP = minetest.get_modpath("doclib")
local settings = {}
doclib.create_manual("doclib", "EN", settings)
local content = dofile(MP.."/manual_EN.lua")
doclib.add_to_manual("doclib", "EN", content)
minetest.register_node("doclib:manual", {
description = "DocLib Manual (EN)",
tiles = {
-- up, down, right, left, back, front
"doclib_book.png",
"doclib_book.png",
"doclib_book.png^[transformR270",
"doclib_book.png^[transformR90",
"doclib_book.png^[transformR180",
"doclib_book.png"
},
drawtype = "nodebox",
node_box = {
type = "fixed",
fixed = {
{ -8/32, -16/32, -12/32, 8/32, -12/32, 12/32},
},
},
after_place_node = function(pos, placer, itemstack)
M(pos):set_string("infotext", "DocLib Manual (EN)")
M(pos):set_string("formspec", doclib.formspec(pos, "doclib", "EN"))
end,
on_receive_fields = function(pos, formname, fields, player)
local player_name = player:get_player_name()
if minetest.is_protected(pos, player_name) then
return
end
M(pos):set_string("formspec", doclib.formspec(pos, "doclib", "EN", fields))
end,
paramtype = "light",
sunlight_propagates = true,
paramtype2 = "facedir",
use_texture_alpha = "clip",
is_ground_content = false,
groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
})

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