Allow redefining minetest.item_place and the like

diff --git a/builtin/item.lua b/builtin/item.lua
index 678a5cdac9a64722ee499b352fde497a52c61c98..440236fbe0c7ffded791c6385480f2c91456303f 100644 (file)
--- a/builtin/item.lua
+++ b/builtin/item.lua
@@ -276,6 +276,13 @@ function minetest.node_dig(pos, node, digger)
        end
 end
 
+-- This is used to allow mods to redefine minetest.item_place and so on
+local function redef_wrapper(table, name)
+       return function(...)
+               return table[name](...)
+       end
+end
+
 --
 -- Item definition defaults
 --
@@ -295,12 +302,12 @@ minetest.nodedef_default = {
        tool_capabilities = nil,
 
        -- Interaction callbacks
-       on_place = minetest.item_place,
-       on_drop = minetest.item_drop,
+       on_place = redef_wrapper(minetest, 'item_place'), -- minetest.item_place
+       on_drop = redef_wrapper(minetest, 'item_drop'), -- minetest.item_drop
        on_use = nil,
 
-       on_punch = minetest.node_punch,
-       on_dig = minetest.node_dig,
+       on_punch = redef_wrapper(minetest, 'node_punch'), -- minetest.node_punch
+       on_dig = redef_wrapper(minetest, 'node_dig'), -- minetest.node_dig
 
        -- Node properties
        drawtype = "normal",
@@ -346,8 +353,8 @@ minetest.craftitemdef_default = {
        tool_capabilities = nil,
 
        -- Interaction callbacks
-       on_place = minetest.item_place,
-       on_drop = minetest.item_drop,
+       on_place = redef_wrapper(minetest, 'item_place'), -- minetest.item_place
+       on_drop = redef_wrapper(minetest, 'item_drop'), -- minetest.item_drop
        on_use = nil,
 }
 
@@ -364,8 +371,8 @@ minetest.tooldef_default = {
        tool_capabilities = nil,
 
        -- Interaction callbacks
-       on_place = minetest.item_place,
-       on_drop = minetest.item_drop,
+       on_place = redef_wrapper(minetest, 'item_place'), -- minetest.item_place
+       on_drop = redef_wrapper(minetest, 'item_drop'), -- minetest.item_drop
        on_use = nil,
 }