diff options
Diffstat (limited to 'signs_api/common.lua')
| -rw-r--r-- | signs_api/common.lua | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/signs_api/common.lua b/signs_api/common.lua new file mode 100644 index 0000000..2528ff5 --- /dev/null +++ b/signs_api/common.lua @@ -0,0 +1,188 @@ +--[[ + 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_api.intllib +local F = function(...) return minetest.formspec_escape(S(...)) end + +function signs_api.set_display_text(pos,text) + local meta = minetest.get_meta(pos) + meta:set_string("display_text", text) + meta:set_string("infotext", "\""..text.."\"") + display_api.update_entities(pos) +end + +function signs_api.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]".. + default.gui_bg .. default.gui_bg_img .. default.gui_slots .. + "field[0.5,0.7;5.5,1;display_text;"..F("Text")..";${display_text}]".. + "button_exit[2,2;2,1;ok;"..F("Write").."]" + else + local extralabel = "" + if maxlines then + extralabel = F(" (first %s lines only)"):format(maxlines) + end + + formspec = "size[6,4]".. + default.gui_bg .. default.gui_bg_img .. default.gui_slots .. + "textarea[0.5,0.7;5.5,2;display_text;"..F("Text")..""..extralabel..";${display_text}]".. + "button_exit[2,3;2,1;ok;"..F("Write").."]" + end + + meta:set_string("formspec", formspec) + end +end + +function signs_api.on_receive_fields(pos, formname, fields, player) + if not minetest.is_protected(pos, player:get_player_name()) then + if fields and (fields.ok or fields.key_enter) then + signs_api.set_display_text(pos, fields.display_text) + end + end +end + +-- On place callback for direction signs +-- (chooses which sign according to look direction) +function signs_api.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_api.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_api.update_entities(pos) + end + else + display_api.on_rotate(pos, node, user, mode, new_param2) + end + return false; +end + +function signs_api.register_sign(mod, name, model) + -- Default fields + local fields = { + sunlight_propagates = true, + paramtype = "light", + paramtype2 = "facedir", + drawtype = "nodebox", + node_box = { + type = "fixed", + fixed = {-model.width/2, -model.height/2, 0.5, + model.width/2, model.height/2, 0.5 - model.depth}, + }, + groups = {choppy=2, dig_immediate=2, not_blocking_trains = 1, display_modpack_node = 1}, + sounds = default.node_sound_defaults(), + display_entities = { + ["signs:display_text"] = { + on_display_update = font_api.on_display_update, + depth = 0.5 - display_api.entity_spacing - model.depth, + size = { x = model.width, y = model.height }, + resolution = { x = 64, y = 64 }, + maxlines = 1, + }, + + }, + on_place = display_api.on_place, + on_construct = function(pos) + signs_api.set_formspec(pos) + display_api.on_construct(pos) + end, + on_destruct = display_api.on_destruct, + on_rotate = signs_api.on_rotate, + on_receive_fields = signs_api.on_receive_fields, + on_punch = function(pos, node, player, pointed_thing) display_api.update_entities(pos) end, + } + + -- Node fields override + for key, value in pairs(model.node_fields) do + if key == "groups" then + for key2, value2 in pairs(value) do + fields[key][key2] = value2 + end + else + fields[key] = value + end + end + + if not fields.wield_image then fields.wield_image = fields.inventory_image end + + -- Entity fields override + for key, value in pairs(model.entity_fields) do + fields.display_entities["signs:display_text"][key] = value + end + + minetest.register_node(mod..":"..name, fields) +end + +-- Text entity for all signs +display_api.register_display_entity("signs:display_text") |