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Diffstat (limited to 'signs_api/init.lua')
| -rw-r--r-- | signs_api/init.lua | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/signs_api/init.lua b/signs_api/init.lua new file mode 100644 index 0000000..9fcaa10 --- /dev/null +++ b/signs_api/init.lua @@ -0,0 +1,218 @@ +--[[ + 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/>. +--]] + +signs_api = {} +signs_api.name = minetest.get_current_modname() +signs_api.path = minetest.get_modpath(signs_api.name) + +-- Load support for intllib. +local S, NS = dofile(signs_api.path.."/intllib.lua") +signs_api.intllib = S +local F = function(...) return minetest.formspec_escape(S(...)) end + +function signs_api.set_display_text(pos, text, font) + local meta = minetest.get_meta(pos) + meta:set_string("display_text", text) + if text and text ~= "" then + meta:set_string("infotext", "\""..text.."\"") + else + meta:set_string("infotext", "") + end + if font then + meta:set_string("font", font) + end + 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 fs, y + + if maxlines == 1 then + fs = "field[0.5,0.7;5.5,1;display_text;"..F("Text").. + ";${display_text}]" + y = 1.2 + else + local extralabel = "" + if maxlines then + extralabel = F(" (first %s lines only)"):format(maxlines) + end + + fs = "textarea[0.5,0.7;5.5,2;display_text;"..F("Text").."".. + extralabel..";${display_text}]" + y = 2.4 + end + + fs = fs.."button[1,"..y..";2,1;font;"..F("Font").."]" + fs = fs.."button_exit[3,"..y..";2,1;ok;"..F("Write").."]" + y = y + 0.8 + fs = "size[6,"..y.."]"..default.gui_bg.. + default.gui_bg_img..default.gui_slots..fs + + meta:set_string("formspec", fs) + 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 + if fields and (fields.font) then + signs_api.set_display_text(pos, fields.display_text) + font_api.show_font_list(player, pos) + 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 +-- If rotation mode is 2 and sign is directional, swap direction. +-- Otherwise use display_api's on_rotate function. +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) + return true + end + end + return display_api.on_rotate(pos, node, user, mode, new_param2) +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 }, + aspect_ratio = 1/2, + maxlines = 1, + }, + + }, + on_place = display_api.on_place, + on_construct = function(pos) + local ndef = minetest.registered_nodes[minetest.get_node(pos).name] + local meta = minetest.get_meta(pos) + meta:set_string("font", ndef.display_entities.font_name or + font_api.get_default_font_name()) + 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) + signs_api.set_formspec(pos) + 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") |