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generated by cgit v1.2.3 (git 2.39.1) at 2025-06-21 05:58:05 +0000
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--[[
    signs mod for Minetest - Various signs with text displayed on
    (c) Pierre-Yves Rollo

    This file is part of signs.

    signs is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    signs 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with signs.  If not, see <http://www.gnu.org/licenses/>.
--]]

local S = signs.intllib
local F = function(...) return minetest.formspec_escape(S(...)) end

function signs.set_formspec(pos)
	local meta = minetest.get_meta(pos)
	local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
	if ndef and ndef.display_entities and ndef.display_entities["signs:display_text"] then
		local maxlines = ndef.display_entities["signs:display_text"].maxlines
		local formspec

		if maxlines == 1 then
			formspec = "size[6,3]"..
				"field[0.5,0.7;5.5,1;display_text;"..F("Text")..";${display_text}]"..
				"button_exit[2,2;2,1;ok;"..F("Write").."]"
		else
			local extralabel = ""
			if maxlines then
				extralabel = F(" (first %s lines only)"):format(maxlines)
			end

			formspec = "size[6,4]"..
				"textarea[0.5,0.7;5.5,2;display_text;"..F("Text")..""..extralabel..";${display_text}]"..
				"button_exit[2,3;2,1;ok;"..F("Write").."]"
		end

		meta:set_string("formspec", formspec)
	end
end

function signs.on_receive_fields(pos, formname, fields, player)
	if not minetest.is_protected(pos, player:get_player_name()) then
		local meta = minetest.get_meta(pos)
		if fields and (fields.ok or fields.key_enter) then
			meta:set_string("display_text", fields.display_text)
			meta:set_string("infotext", "\""..fields.display_text.."\"")
			display_lib.update_entities(pos)
		end
	end
end

-- On place callback for direction signs 
-- (chooses which sign according to look direction)
function signs.on_place_direction(itemstack, placer, pointed_thing)
	local name = itemstack:get_name()
	local ndef = minetest.registered_nodes[name]

    local bdir = {x = pointed_thing.under.x - pointed_thing.above.x,
                  y = pointed_thing.under.y - pointed_thing.above.y,
                  z = pointed_thing.under.z - pointed_thing.above.z}
	local pdir = placer:get_look_dir()

	local ndir, test

	if ndef.paramtype2 == "facedir" then
		if bdir.x == 0 and bdir.z == 0 then
			-- Ceiling or floor pointed (facedir chosen from player dir)
			ndir = minetest.dir_to_facedir({x=pdir.x, y=0, z=pdir.z})
		else
			-- Wall pointed
			ndir = minetest.dir_to_facedir(bdir)
		end

		test = {[0]=-pdir.x, pdir.z, pdir.x, -pdir.z}
    end

	if ndef.paramtype2 == "wallmounted" then
		ndir = minetest.dir_to_wallmounted(bdir)
		if ndir == 0 or ndir == 1 then
			-- Ceiling or floor
			ndir = minetest.dir_to_wallmounted({x=pdir.x, y=0, z=pdir.z})
		end

		test = {0, pdir.z, -pdir.z, -pdir.x, pdir.x}
	end

	-- Only for direction signs
	if ndef.signs_other_dir then
		if test[ndir] > 0 then
			itemstack:set_name(ndef.signs_other_dir)
		end
		itemstack = minetest.item_place(itemstack, placer, pointed_thing, ndir)
		itemstack:set_name(name)

		return itemstack
	else
		return minetest.item_place(itemstack, placer, pointed_thing, ndir)
	end
end

-- Handles screwdriver rotation. Direction is affected for direction signs
function signs.on_rotate(pos, node, player, mode, new_param2)
	if mode == 2 then
    	local ndef = minetest.registered_nodes[node.name]
	    if ndef.signs_other_dir then
		    minetest.swap_node(pos, {name = ndef.signs_other_dir, 
                param1 = node.param1, param2 = node.param2})
			display_lib.update_entities(pos)
	    end
	else
        display_lib.on_rotate(pos, node, user, mode, new_param2)
	end
    return false;
end

-- Generic callback for show_formspec displayed formspecs of "sign" mod

minetest.register_on_player_receive_fields(function(player, formname, fields)
	local found, _, mod, node_name, pos = formname:find("([%w_]+):([%w_]+)@(.+)")
	if found then
		if mod ~= 'signs' then return end

		local ndef = minetest.registered_nodes[mod..":"..node_name]

		if ndef and ndef.on_receive_fields then
			ndef.on_receive_fields(minetest.string_to_pos(pos), formname, fields, player)
		end
	end
end)

function signs.register_sign(mod, name, model)
	-- Default fields
	local fields = {
		sunlight_propagates = true,
		paramtype = "light",
		paramtype2 = "facedir",