Release 2017-08-26

signs/compatibility.lua

@@ -0,0 +1,55 @@
+--[[
+    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/>.
+--]]
+
+
+-- Wallmounted to facedir conversion
+local wallmounted_to_facedir = {
+  [0]=1, -- Should not happend with signs 
+  [1]=1, -- Should not happend with signs
+  [2]=1,
+  [3]=3,
+  [4]=0,
+  [5]=2
+}
+
+-- Nodes conversions
+local convert_nodes = {
+  ['signs:wooden_right'] = 'signs:wooden_right_sign',
+  ['signs:wooden_left']  = 'signs:wooden_left_sign',
+  ['signs:poster']       = 'signs:paper_poster'
+}
+
+local function compatibility_check(pos, node)
+    -- Old wallmounted modes to new facedir nodes conversion
+    node.name = convert_nodes[node.name]
+    if node.name then
+	  node.param2 = wallmounted_to_facedir[node.param2]
+      display_lib.on_destruct(pos)
+      minetest.swap_node(pos, node)
+      display_lib.on_construct(pos)
+    end
+end
+
+minetest.register_lbm({ name = "signs:conpatibility_1",
+	nodenames = {"signs:wooden_right", "signs:wooden_left", "signs:poster"},
+	action = compatibility_check,
+})
+
+