1 files changed, 71 insertions, 0 deletions
diff --git a/font_api/init.lua b/font_api/init.lua
new file mode 100644
index 0000000..2c8f4f3
--- /dev/null
+++ b/font_api/init.lua
@@ -0,0 +1,71 @@
+--[[
+    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 <http://www.gnu.org/licenses/>.
+--]]
+
+-- Global variables
+-------------------
+
+font_api = {}
+font_api.name = minetest.get_current_modname()
+font_api.path = minetest.get_modpath(font_api.name)
+
+-- Inclusions
+-------------
+
+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
+-- maxlines fields and optionally halign, valign and color fields
+-- @param pos Node position
+-- @param objref Object reference of entity
+
+function font_api.on_display_update(pos, objref)
+	local meta = minetest.get_meta(pos)
+	local text = meta:get_string("display_text")
+	local ndef = minetest.registered_nodes[minetest.get_node(pos).name]
+	local entity = objref:get_luaentity()
+	
+	-- If orwell96's modified signs_lib version is available and sign macros are active,
+	-- replace them in display_lib's text too.
+	if signs_lib and signs_lib.replace_macros then
+		text = signs_lib.replace_macros(text)
+	end
+
+	if entity and ndef.display_entities[entity.name] then
+		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 maxlines = def.maxlines or 1 -- TODO:How to do w/o maxlines ?
+
+		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),
+				def.maxlines, def.halign, def.valign, def.color)},
+			visual_size = def.size
+		})
+	end
+end
+
+-- Compatibility
+font_lib = font_api