252 lines
7.8 KiB
Lua
252 lines
7.8 KiB
Lua
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--[[
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signs mod for Minetest - Various signs with text displayed on
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(c) Pierre-Yves Rollo
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This file is part of signs.
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signs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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signs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with signs. If not, see <http://www.gnu.org/licenses/>.
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--]]
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signs_api = {}
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signs_api.name = minetest.get_current_modname()
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signs_api.path = minetest.get_modpath(signs_api.name)
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-- Load support for intllib.
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local S, NS = dofile(signs_api.path.."/intllib.lua")
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signs_api.intllib = S
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local F = function(...) return minetest.formspec_escape(S(...)) end
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function signs_api.set_display_text(pos, text, font)
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local meta = minetest.get_meta(pos)
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meta:set_string("display_text", text)
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if text and text ~= "" then
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meta:set_string("infotext", "\""..text.."\"")
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else
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meta:set_string("infotext", "")
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end
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if font then
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meta:set_string("font", font)
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end
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display_api.update_entities(pos)
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end
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function signs_api.set_formspec(pos)
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local meta = minetest.get_meta(pos)
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local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
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if ndef and ndef.display_entities
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and ndef.display_entities["signs:display_text"] then
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local maxlines = ndef.display_entities["signs:display_text"].maxlines
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local fs, y
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if maxlines == 1 then
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fs = "field[0.5,0.7;5.5,1;display_text;"..F("Text")..
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";${display_text}]"
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y = 1.2
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else
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local extralabel = ""
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if maxlines then
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extralabel = F(" (first %s lines only)"):format(maxlines)
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end
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fs = "textarea[0.5,0.7;5.5,2;display_text;"..F("Text")..""..
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extralabel..";${display_text}]"
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y = 2.4
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end
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fs = fs.."button[1,"..y..";2,1;font;"..F("Font").."]"
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fs = fs.."button_exit[3,"..y..";2,1;ok;"..F("Write").."]"
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y = y + 0.8
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fs = "size[6,"..y.."]"..default.gui_bg..
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default.gui_bg_img..default.gui_slots..fs
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meta:set_string("formspec", fs)
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end
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end
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function signs_api.on_receive_fields(pos, formname, fields, player)
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if not minetest.is_protected(pos, player:get_player_name()) then
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if fields and (fields.ok or fields.key_enter) then
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signs_api.set_display_text(pos, fields.display_text)
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end
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if fields and (fields.font) then
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signs_api.set_display_text(pos, fields.display_text)
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font_api.show_font_list(player, pos)
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end
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end
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end
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-- On place callback for direction signs
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-- (chooses which sign according to look direction)
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function signs_api.on_place_direction(itemstack, placer, pointed_thing)
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local name = itemstack:get_name()
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local ndef = minetest.registered_nodes[name]
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local restriction = display_api.is_rotation_restricted()
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local bdir = {
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x = pointed_thing.under.x - pointed_thing.above.x,
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y = pointed_thing.under.y - pointed_thing.above.y,
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z = pointed_thing.under.z - pointed_thing.above.z}
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local pdir = placer:get_look_dir()
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local ndir, test
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if ndef.paramtype2 == "facedir" then
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-- If legacy mode, only accept upright nodes
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if restriction and bdir.x == 0 and bdir.z == 0 then
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-- Ceiling or floor pointed (facedir chosen from player dir)
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ndir = minetest.dir_to_facedir({x=pdir.x, y=0, z=pdir.z})
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else
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-- Wall pointed or no rotation restriction
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ndir = minetest.dir_to_facedir(bdir, not restriction)
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end
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test = { [0]=-pdir.x, pdir.z, pdir.x, -pdir.z, -pdir.x, [8]=pdir.x }
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end
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if ndef.paramtype2 == "wallmounted" then
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ndir = minetest.dir_to_wallmounted(bdir)
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-- If legacy mode, only accept upright nodes
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if restriction and (ndir == 0 or ndir == 1) then
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ndir = minetest.dir_to_wallmounted({x=pdir.x, y=0, z=pdir.z})
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end
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test = { [0]=-pdir.x, -pdir.x, pdir.z, -pdir.z, -pdir.x, pdir.x}
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end
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-- Only for direction signs
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-- TODO:Maybe improve ground and ceiling placement in every directions
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if ndef.signs_other_dir then
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if test[ndir] > 0 then
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itemstack:set_name(ndef.signs_other_dir)
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end
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itemstack = minetest.item_place(itemstack, placer, pointed_thing, ndir)
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itemstack:set_name(name)
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return itemstack
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else
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return minetest.item_place(itemstack, placer, pointed_thing, ndir)
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end
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end
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-- Handles screwdriver rotation
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-- (see "if" block below for rotation restriction mode).
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signs_api.on_rotate = function(pos, node, player, mode, new_param2)
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-- If rotation mode is 1 and sign is directional, swap direction between
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-- each rotation.
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if mode == 1 then
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local ndef = minetest.registered_nodes[node.name]
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if ndef.signs_other_dir then
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-- Switch direction
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node = {name = ndef.signs_other_dir,
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param1 = node.param1, param2 = node.param2}
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minetest.swap_node(pos, node)
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display_api.update_entities(pos)
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-- Rotate only if not "main" sign
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-- TODO:Improve detection of "main" direction sign
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if ndef.groups and ndef.groups.not_in_creative_inventory then
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return display_api.on_rotate(pos, node, player, mode, new_param2)
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else
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return true
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end
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end
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end
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return display_api.on_rotate(pos, node, player, mode, new_param2)
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end
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-- Legacy mode with rotation restriction
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-- TODO:When MT < 5.0 no more in use, to be removed
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if display_api.is_rotation_restricted() then
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signs_api.on_rotate = function(pos, node, player, mode, new_param2)
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-- If rotation mode is 2 and sign is directional, swap direction.
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-- Otherwise use display_api's on_rotate function.
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if mode == 2 then
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local ndef = minetest.registered_nodes[node.name]
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if ndef.signs_other_dir then
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minetest.swap_node(pos, {name = ndef.signs_other_dir,
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param1 = node.param1, param2 = node.param2})
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display_api.update_entities(pos)
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return true
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end
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end
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return display_api.on_rotate(pos, node, player, mode, new_param2)
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end
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end
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function signs_api.register_sign(mod, name, model)
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-- Default fields
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local fields = {
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sunlight_propagates = true,
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paramtype = "light",
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paramtype2 = "facedir",
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {-model.width/2, -model.height/2, 0.5,
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model.width/2, model.height/2, 0.5 - model.depth},
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},
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groups = {choppy=2, dig_immediate=2, not_blocking_trains=1, display_api=1},
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sounds = default.node_sound_defaults(),
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display_entities = {
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["signs:display_text"] = {
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on_display_update = font_api.on_display_update,
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depth = 0.5 - display_api.entity_spacing - model.depth,
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size = { x = model.width, y = model.height },
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aspect_ratio = 1/2,
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maxlines = 1,
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},
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},
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on_place = display_api.on_place,
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on_construct = function(pos)
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local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
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local meta = minetest.get_meta(pos)
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meta:set_string("font", ndef.display_entities.font_name or
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font_api.get_default_font_name())
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signs_api.set_formspec(pos)
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display_api.on_construct(pos)
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end,
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on_destruct = display_api.on_destruct,
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on_rotate = signs_api.on_rotate,
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on_receive_fields = signs_api.on_receive_fields,
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on_punch = function(pos, node, player, pointed_thing)
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signs_api.set_formspec(pos)
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display_api.update_entities(pos)
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end,
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}
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-- Node fields override
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for key, value in pairs(model.node_fields) do
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if key == "groups" then
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for key2, value2 in pairs(value) do
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fields[key][key2] = value2
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end
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else
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fields[key] = value
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end
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end
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if not fields.wield_image then fields.wield_image = fields.inventory_image end
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-- Entity fields override
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for key, value in pairs(model.entity_fields) do
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fields.display_entities["signs:display_text"][key] = value
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end
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minetest.register_node(mod..":"..name, fields)
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end
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-- Text entity for all signs
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display_api.register_display_entity("signs:display_text")
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