diff --git a/fontform.lua b/fontform.lua new file mode 100644 index 0000000..e4952ed --- /dev/null +++ b/fontform.lua @@ -0,0 +1,167 @@ +--[[ + font_api mod for Minetest - Library to add font display capability + to display_api mod. + (c) Pierre-Yves Rollo + + This program 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. + + 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +--]] + +local modname = minetest.get_current_modname() + +local contexts = {} + +minetest.register_on_leaveplayer(function(player) + if minetest.is_player(player) then + contexts[player:get_player_name()] = nil + end +end) + +local function get_context(playername) + if not contexts[playername] then + contexts[playername] = { playername = playername } + end + return contexts[playername] +end + +-- Show node formspec functions +local function show_node_formspec(playername, pos) + local meta = minetest.get_meta(pos) + + -- Decontextualize formspec + local fs = meta:get_string('formspec') + + if not fs then + return + end + + -- Change context and currrent_name references to nodemeta references + -- Change context and currrent_name references to nodemeta references + local nodemeta = string.format("nodemeta:%i,%i,%i", pos.x, pos.y ,pos.z) + fs = fs:gsub("current_name", nodemeta) + fs = fs:gsub("context", nodemeta) + + -- Change all ${} to their corresponding metadata values + local s, e + repeat + s, e = fs:find('%${.*}') + if s and e then + fs = fs:sub(1, s-1).. + minetest.formspec_escape(meta:get_string(fs:sub(s+2,e-1))).. + fs:sub(e+1) + end + until s == nil + + local context = get_context(playername) + context.node_pos = pos + + -- Find node on_receive_fields + local ndef = minetest.registered_nodes[minetest.get_node(pos).name] + if ndef and ndef.on_receive_fields then + context.on_receive_fields = ndef.on_receive_fields + end + + -- Show formspec + minetest.show_formspec(playername, modname..':context_formspec', fs) +end + +minetest.register_on_player_receive_fields(function(player, formname, fields) + if formname ~= modname..':context_formspec' then + return + end + + if not minetest.is_player(player) then + return true + end + + local context = get_context(player:get_player_name()) + if context.on_receive_fields then + context.on_receive_fields(context.pos, '', fields, player) + end + return true +end) + +-- Specific functions + +local function show_font_formspec(playername) + local context = get_context(playername) + local fonts = {} + for name, _ in pairs(font_api.registered_fonts) do + fonts[#fonts+1] = name + end + table.sort(fonts) + + local fs = string.format( + "size[4,%s]%s%s%sbutton_exit[0,%s;4,1;cancel;Cancel]", + #fonts + 0.8, default.gui_bg, default.gui_bg_img, default.gui_slots, + #fonts) + + for line = 1, #fonts do + local font = font_api.get_font(fonts[line]) + local texture = font:make_text_texture(font.name, font:get_height()*5, + font:get_height()*1.2, 1, "center", "top", "#fff") + fs = string.format( + "%simage[0.1,%s;4.5,0.8;%s]button_exit[0,%s;4,1;font_%s;]", + fs, line-0.9, texture, line-1, font.name) + end + minetest.show_formspec(context.playername, modname..':font_list', fs) +end + +minetest.register_on_player_receive_fields(function(player, formname, fields) + if formname ~= modname..':font_list' then + return + end + + if not minetest.is_player(player) then + return true + end + + local playername = player:get_player_name() + local context = get_context(playername) + + if not context.pos + or minetest.is_protected(context.pos, playername) then + return true + end + + if fields.quit == 'true' then + for name, _ in pairs(font_api.registered_fonts) do + if fields['font_'..name] then + local meta = minetest.get_meta(context.pos) + meta:set_string("font", name) + display_api.update_entities(context.pos) + end + end + + if context.callback and type(context.callback) == "function" then + -- Using after to avoid the "double close" bug + minetest.after(0, context.callback, playername, context.pos) + else + -- Using after to avoid the "double close" bug + minetest.after(0, show_node_formspec, playername, context.pos) + end + end + return true +end) + +-- @param player Player viewing the form +-- @param pos Node pos +-- @param callback function(playername, pos) to be called on form close +function font_api.show_font_list(player, pos, callback) + if minetest.is_player(player) then + local context = get_context(player:get_player_name()) + context.pos = pos + context.callback = callback + show_font_formspec(player:get_player_name()) + end +end diff --git a/init.lua b/init.lua index dc3a3e0..27cba99 100644 --- a/init.lua +++ b/init.lua @@ -29,9 +29,10 @@ font_api.path = minetest.get_modpath(font_api.name) dofile(font_api.path.."/font.lua") dofile(font_api.path.."/registry.lua") +dofile(font_api.path.."/fontform.lua") --- Standard on_display_update entity callback. --- Node should have a corresponding display_entity with size, resolution and +-- Node should have a corresponding display_entity with size, resolution and -- maxlines fields and optionally halign, valign and color fields -- @param pos Node position -- @param objref Object reference of entity @@ -49,8 +50,8 @@ function font_api.on_display_update(pos, objref) local maxlines = def.maxlines or 1 -- TODO:How to do w/o maxlines ? - objref:set_properties({ - textures={font:make_text_texture(text, + objref:set_properties({ + textures={font:make_text_texture(text, font:get_height(maxlines) * def.size.x / def.size.y / (def.aspect_ratio or 1), font:get_height(maxlines), @@ -62,4 +63,3 @@ end -- Compatibility font_lib = font_api - diff --git a/textures/font_api_center.png b/textures/font_api_center.png new file mode 100644 index 0000000..967db6a Binary files /dev/null and b/textures/font_api_center.png differ diff --git a/textures/font_api_font.png b/textures/font_api_font.png new file mode 100644 index 0000000..e450338 Binary files /dev/null and b/textures/font_api_font.png differ diff --git a/textures/font_api_left.png b/textures/font_api_left.png new file mode 100644 index 0000000..727410b Binary files /dev/null and b/textures/font_api_left.png differ diff --git a/textures/font_api_right.png b/textures/font_api_right.png new file mode 100644 index 0000000..16401d3 Binary files /dev/null and b/textures/font_api_right.png differ