advtrains.git - Advtrains mod for minetest.

path: root/assets/interlocking.html.LyXconv

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--Minetest
--Copyright (C) 2013 sapier
--
--This program is free software; you can redistribute it and/or modify
--it under the terms of the GNU Lesser General Public License as published by
--the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
--
--You should have received a copy of the GNU Lesser General Public License along
--with this program; if not, write to the Free Software Foundation, Inc.,
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

--------------------------------------------------------------------------------
local function get_last_folder(text,count)
	local parts = text:split(DIR_DELIM)

	if count == nil then
		return parts[#parts]
	end

	local retval = ""
	for i=1,count,1 do
		retval = retval .. parts[#parts - (count-i)] .. DIR_DELIM
	end

	return retval
end

local function cleanup_path(temppath)

	local parts = temppath:split("-")
	temppath = ""
	for i=1,#parts,1 do
		if temppath ~= "" then
			temppath = temppath .. "_"
		end
		temppath = temppath .. parts[i]
	end

	parts = temppath:split(".")
	temppath = ""
	for i=1,#parts,1 do
		if temppath ~= "" then
			temppath = temppath .. "_"
		end
		temppath = temppath .. parts[i]
	end

	parts = temppath:split("'")
	temppath = ""
	for i=1,#parts,1 do
		if temppath ~= "" then
			temppath = temppath .. ""
		end
		temppath = temppath .. parts[i]
	end

	parts = temppath:split(" ")
	temppath = ""
	for i=1,#parts,1 do
		if temppath ~= "" then
			temppath = temppath
		end
		temppath = temppath .. parts[i]
	end

	return temppath
end

local function load_texture_packs(txtpath, retval)
	local list = core.get_dir_list(txtpath, true)
	local current_texture_path = core.settings:get("texture_path")

	for _, item in ipairs(list) do
		if item ~= "base" then
			local path = txtpath .. DIR_DELIM .. item .. DIR_DELIM
			local conf = Settings(path .. "texture_pack.conf")
			local enabled = path == current_texture_path

			local title = conf:get("title") or item

			-- list_* is only used if non-nil, else the regular versions are used.
			retval[#retval + 1] = {
				name = item,
				title = title,
				list_name = enabled and fgettext("$1 (Enabled)", item) or nil,
				list_title = enabled and fgettext("$1 (Enabled)", title) or nil,
				author = conf:get("author"),
				release = tonumber(conf:get("release")) or 0,
				type = "txp",
				path = path,
				enabled = enabled,
			}
		end
	end
end

function get_mods(path, virtual_path, retval, modpack)
	local mods = core.get_dir_list(path, true)

	for _, name in ipairs(mods) do
		if name:sub(1, 1) ~= "." then
			local mod_path = path .. DIR_DELIM .. name
			local mod_virtual_path = virtual_path .. "/" .. name
			local toadd = {
				dir_name = name,
				parent_dir = path,
			}
			retval[#retval + 1] = toadd

			-- Get config file
			local mod_conf
			local modpack_conf = io.open(mod_path .. DIR_DELIM .. "modpack.conf")
			if modpack_conf then
				toadd.is_modpack = true
				modpack_conf:close()

				mod_conf = Settings(mod_path .. DIR_DELIM .. "modpack.conf"):to_table()
				if mod_conf.name then
					name = mod_conf.name
					toadd.is_name_explicit = true
				end
			else
				mod_conf = Settings(mod_path .. DIR_DELIM .. "mod.conf"):to_table()
				if mod_conf.name then
					name = mod_conf.name
					toadd.is_name_explicit = true
				end
			end

			-- Read from config
			toadd.name = name
			toadd.title = mod_conf.title
			toadd.author = mod_conf.author
			toadd.release = tonumber(mod_conf.release) or 0
			toadd.path = mod_path
			toadd.virtual_path = mod_virtual_path
			toadd.type = "mod"

			-- Check modpack.txt
			-- Note: modpack.conf is already checked above
			local modpackfile = io.open(mod_path .. DIR_DELIM .. "modpack.txt")
			if modpackfile then
				modpackfile:close()
				toadd.is_modpack = true
			end

			-- Deal with modpack contents
			if modpack and modpack ~= "" then
				toadd.modpack = modpack
			elseif toadd.is_modpack then
				toadd.type = "modpack"
				toadd.is_modpack = true
				get_mods(mod_path, mod_virtual_path, retval, name)
			end
		end
	end
end

--modmanager implementation
pkgmgr = {}

function pkgmgr.get_texture_packs()
	local txtpath = core.get_texturepath()
	local txtpath_system = core.get_texturepath_share()
	local retval = {}

	load_texture_packs(txtpath, retval)
	-- on portable versions these two paths coincide. It avoids loading the path twice
	if txtpath ~= txtpath_system then
		load_texture_packs(txtpath_system, retval)
	end

	table.sort(retval, function(a, b)
		return a.name > b.name
	end)

	return retval
end

--------------------------------------------------------------------------------
function pkgmgr.get_folder_type(path)
	local testfile = io.open(path .. DIR_DELIM .. "init.lua","r")
	if testfile ~= nil then
		testfile:close()
		return { type = "mod", path = path }
	end

	testfile = io.open(path .. DIR_DELIM .. "modpack.conf","r")
	if testfile ~= nil then
		testfile:close()
		return { type = "modpack", path = path }
	end

	testfile = io.open(path .. DIR_DELIM .. "modpack.txt","r")
	if testfile ~= nil then
		testfile:close()
		return { type = "modpack", path = path }
	end

	testfile = io.open(path .. DIR_DELIM .. "game.conf","r")
	if testfile ~= nil then
		testfile:close()
		return { type = "game", path = path }
	end

	testfile = io.open(path .. DIR_DELIM .. "texture_pack.conf","r")
	if testfile ~= nil then
		testfile:close()
		return { type = "txp", path = path }
	end

	return nil
end

-------------------------------------------------------------------------------
function pkgmgr.get_base_folder(temppath)
	if temppath == nil then
		return { type = "invalid", path = "" }
	end

	local ret = pkgmgr.get_folder_type(temppath)
	if ret then
		return ret
	end

	local subdirs = core.get_dir_list(temppath, true)
	if #subdirs == 1 then
		ret = pkgmgr.get_folder_type(temppath .. DIR_DELIM .. subdirs[1])
		if ret then
			return ret
		else
			return { type = "invalid", path = temppath .. DIR_DELIM .. subdirs[1] }
		end
	end

	return nil
end

--------------------------------------------------------------------------------
function pkgmgr.isValidModname(modpath)
	if modpath:find("-") ~= nil then
		return false
	end

	return true
end

--------------------------------------------------------------------------------
function pkgmgr.parse_register_line(line)
	local pos1 = line:find("\"")
	local pos2 = nil
	if pos1 ~= nil then
		pos2 = line:find("\"",pos1+1)
	end

	if pos1 ~= nil and pos2 ~= nil then
		local item = line:sub(pos1+1,pos2-1)

		if item ~= nil and
			item ~= "" then
			local pos3 = item:find(":")

			if pos3 ~= nil then
				local retval = item:sub(1,pos3-1)
				if retval ~= nil and
					retval ~= "" then
					return retval
				end
			end
		end
	end
	return nil
end

--------------------------------------------------------------------------------
function pkgmgr.parse_dofile_line(modpath,line)
	local pos1 = line:find("\"")
	local pos2 = nil
	if pos1 ~= nil then
		pos2 = line:find("\"",pos1+1)
	end

	if pos1 ~= nil and pos2 ~= nil then
		local filename = line:sub(pos1+1,pos2-1)

		if filename ~= nil and
			filename ~= "" and
			filename:find(".lua") then
			return pkgmgr.identify_modname(modpath,filename)
		end
	end
	return nil
end

--------------------------------------------------------------------------------
function pkgmgr.identify_modname(modpath,filename)
	local testfile = io.open(modpath .. DIR_DELIM .. filename,"r")
	if testfile ~= nil then
		local line = testfile:read()

		while line~= nil do
			local modname = nil

			if line:find("minetest.register_tool") then
				modname = pkgmgr.parse_register_line(line)
			end

			if line:find("minetest.register_craftitem") then
				modname = pkgmgr.parse_register_line(line)
			end


			if line:find("minetest.register_node") then


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