From 436cb468e9a832d15009d527d80c8dfe86bb2772 Mon Sep 17 00:00:00 2001 From: ShadowNinja Date: Fri, 21 Nov 2014 11:32:01 -0500 Subject: Add minetest.global_exists() --- builtin/common/strict.lua | 5 +++++ doc/lua_api.txt | 5 ++++- 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/builtin/common/strict.lua b/builtin/common/strict.lua index c353bb913..c7b86461f 100644 --- a/builtin/common/strict.lua +++ b/builtin/common/strict.lua @@ -4,6 +4,11 @@ local WARN_INIT = false +function core.global_exists(name) + return rawget(_G, name) ~= nil +end + + local function warn(message) print(os.date("%H:%M:%S: WARNING: ")..message) end diff --git a/doc/lua_api.txt b/doc/lua_api.txt index d9ab6a459..6325ed35d 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -2289,6 +2289,9 @@ These functions return the leftover itemstack. Please note that forceloaded areas are saved when the server restarts. +minetest.global_exists(name) +^ Checks if a global variable has been set, without triggering a warning. + ### Global objects * `minetest.env`: `EnvRef` of the server environment and world. * Any function in the minetest namespace can be called using the syntax @@ -2479,7 +2482,7 @@ This is basically a reference to a C++ `ServerActiveObject` {x=189, y=198}, -- < dig animation key frames {x=200, y=219}, -- < walk+dig animation key frames frame_speed=30): -- < animation frame speed - + * `set_eye_offset({x=0,y=0,z=0},{x=0,y=0,z=0})`: defines offset value for camera per player * in first person view * in third person view (max. values `{x=-10/10,y=-10,15,z=-5/5}`) -- cgit v1.2.3