Fix crash when tool_capabilities is nil

This commit is contained in:
Elias Åström 2021-03-17 16:59:26 +01:00
parent 0112825a9f
commit fe770c19a5
1 changed files with 11 additions and 2 deletions

View File

@ -243,6 +243,15 @@ local function get_groupcap(group, can_harvest, multiplier, efficiency, uses)
}
end
-- Returns the tool_capabilities from a tool definition or a default set of
-- tool_capabilities
local function get_tool_capabilities(tdef)
if tdef.tool_capabilities then
return tdef.tool_capabilities
end
return {}
end
-- Get the groupcaps for a tool. This function returns "groupcaps" table of
-- digging which should be put in the "tool_capabilities" of the tool definition
-- or in the metadata of an enchanted tool.
@ -257,7 +266,7 @@ end
-- loading order.
function mcl_autogroup.get_groupcaps(toolname, efficiency)
local tdef = minetest.registered_tools[toolname]
local groupcaps = table.copy(tdef.tool_capabilities.groupcaps or {})
local groupcaps = table.copy(get_tool_capabilities(tdef).groupcaps or {})
add_groupcaps(toolname, groupcaps, tdef._mcl_diggroups, efficiency)
return groupcaps
end
@ -322,7 +331,7 @@ local overwrite = function()
-- Assign groupcaps for digging the registered digging groups
-- depending on the _mcl_diggroups in the tool definition
if tdef._mcl_diggroups then
local toolcaps = table.copy(tdef.tool_capabilities) or {}
local toolcaps = table.copy(get_tool_capabilities(tdef))
toolcaps.groupcaps = mcl_autogroup.get_groupcaps(tname)
minetest.override_item(tname, {