diff options
| -rw-r--r-- | builtin/game/item.lua | 57 | ||||
| -rw-r--r-- | doc/lua_api.txt | 2 |
2 files changed, 31 insertions, 28 deletions
diff --git a/builtin/game/item.lua b/builtin/game/item.lua index c168bf096..c42aff5b0 100644 --- a/builtin/game/item.lua +++ b/builtin/game/item.lua @@ -88,25 +88,26 @@ function core.dir_to_facedir(dir, is6d) end end +-- Table of possible dirs +local facedir_to_dir = { + {x= 0, y=0, z= 1}, + {x= 1, y=0, z= 0}, + {x= 0, y=0, z=-1}, + {x=-1, y=0, z= 0}, + {x= 0, y=-1, z= 0}, + {x= 0, y=1, z= 0}, +} +-- Mapping from facedir value to index in facedir_to_dir. +local facedir_to_dir_map = { + [0]=1, 2, 3, 4, + 5, 2, 6, 4, + 6, 2, 5, 4, + 1, 5, 3, 6, + 1, 6, 3, 5, + 1, 4, 3, 2, +} function core.facedir_to_dir(facedir) - --a table of possible dirs - return ({{x=0, y=0, z=1}, - {x=1, y=0, z=0}, - {x=0, y=0, z=-1}, - {x=-1, y=0, z=0}, - {x=0, y=-1, z=0}, - {x=0, y=1, z=0}}) - - --indexed into by a table of correlating facedirs - [({[0]=1, 2, 3, 4, - 5, 2, 6, 4, - 6, 2, 5, 4, - 1, 5, 3, 6, - 1, 6, 3, 5, - 1, 4, 3, 2}) - - --indexed into by the facedir in question - [facedir]] + return facedir_to_dir[facedir_to_dir_map[facedir]] end function core.dir_to_wallmounted(dir) @@ -131,17 +132,17 @@ function core.dir_to_wallmounted(dir) end end +-- table of dirs in wallmounted order +local wallmounted_to_dir = { + [0] = {x = 0, y = 1, z = 0}, + {x = 0, y = -1, z = 0}, + {x = 1, y = 0, z = 0}, + {x = -1, y = 0, z = 0}, + {x = 0, y = 0, z = 1}, + {x = 0, y = 0, z = -1}, +} function core.wallmounted_to_dir(wallmounted) - -- table of dirs in wallmounted order - return ({[0] = {x = 0, y = 1, z = 0}, - {x = 0, y = -1, z = 0}, - {x = 1, y = 0, z = 0}, - {x = -1, y = 0, z = 0}, - {x = 0, y = 0, z = 1}, - {x = 0, y = 0, z = -1}}) - - --indexed into by the wallmounted in question - [wallmounted] + return wallmounted_to_dir[wallmounted] end function core.get_node_drops(nodename, toolname) diff --git a/doc/lua_api.txt b/doc/lua_api.txt index 5f4e06423..d9a8bea97 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -2153,6 +2153,8 @@ and `minetest.auth_reload` call the authetification handler. * Convert a facedir back into a vector aimed directly out the "back" of a node * `minetest.dir_to_wallmounted(dir)` * Convert a vector to a wallmounted value, used for `paramtype2="wallmounted"` +* `minetest.wallmounted_to_dir(wallmounted)` + * Convert a wallmounted value back into a vector aimed directly out the "back" of a node * `minetest.get_node_drops(nodename, toolname)` * Returns list of item names. * **Note**: This will be removed or modified in a future version. |