mirror of
https://github.com/pyrollo/display_modpack.git
synced 2024-11-28 00:53:49 +01:00
77 lines
2.6 KiB
Lua
77 lines
2.6 KiB
Lua
--[[
|
|
font_api mod for Minetest - Library creating textures with fonts and text
|
|
(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 <http://www.gnu.org/licenses/>.
|
|
--]]
|
|
-- Integration with display API
|
|
|
|
if minetest.get_modpath("display_api") then
|
|
--- Standard on_display_update entity callback.
|
|
-- Node should have properly configured display_entity.
|
|
-- @param pos Node position
|
|
-- @param objref Object reference of entity
|
|
|
|
font_api.on_display_update = function (pos, objref)
|
|
local meta = minetest.get_meta(pos)
|
|
local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
|
|
local entity = objref:get_luaentity()
|
|
|
|
if not entity or not ndef.display_entities[entity.name] then
|
|
return
|
|
end
|
|
|
|
local def = ndef.display_entities[entity.name]
|
|
local font = font_api.get_font(meta:get_string("font") ~= ""
|
|
and meta:get_string("font") or def.font_name)
|
|
|
|
local text = meta:get_string(def.meta_text or "display_text")
|
|
|
|
-- Compute entity resolution accroding to given attributes
|
|
local texturew, textureh
|
|
textureh = font:get_height(def.lines or def.maxlines or 1)
|
|
|
|
if def.columns then
|
|
if font.fixedwidth then
|
|
texturew = def.columns * font.fixedwidth
|
|
if def.aspect_ratio then
|
|
minetest.log('warning', "[font_api] 'aspect_ratio' ignored because 'columns' is specified")
|
|
end
|
|
else
|
|
minetest.log('warning', "[font_api] 'columns' ignored because '"..font.name.."' is not a fixed width font.")
|
|
end
|
|
end
|
|
|
|
if not texturew then
|
|
if not def.aspect_ratio then
|
|
minetest.log('warning', "[font_api] No 'aspect_ratio' specified, using default 1.")
|
|
end
|
|
texturew = textureh * def.size.x / def.size.y / (def.aspect_ratio or 1)
|
|
end
|
|
|
|
objref:set_properties({
|
|
textures={ font:render(text, texturew, textureh, {
|
|
lines = def.maxlines or def.lines,
|
|
halign = def.halign,
|
|
valign = def.valign,
|
|
color = def.color} ) },
|
|
visual_size = def.size,
|
|
})
|
|
end
|
|
else
|
|
font_api.on_display_update = function (pos, objref)
|
|
minetest.log('error', '[font_api] font_api.on_display_update called but display_api mod not enabled.')
|
|
end
|
|
end
|