68662c91ef
Drop support for minetest versions without minetest.override_item Disallow registering trees before registering their trunk nodes Abort if nodes can't be overridden correctly Code style fixes
49 lines
1.4 KiB
Lua
49 lines
1.4 KiB
Lua
-- the table containing the tree definitions
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treecapitator.trees = {}
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-- test if trunk nodes were redefined
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local after_dig_nodes = {}
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minetest.after(2, function()
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for i = 1,#after_dig_nodes do
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local nodename = after_dig_nodes[i]
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if not minetest.registered_nodes[nodename].after_dig_node then
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error(nodename .. " didn't keep after_dig_node.")
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end
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end
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after_dig_nodes = nil
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end)
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-- wrapping is necessary, someone may overwrite treecapitator.capitate_tree
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local function after_dig_wrap(pos, _,_, digger)
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treecapitator.capitate_tree(pos, digger)
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end
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-- For the usage of this function, see trees.lua.
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function treecapitator.register_tree(tab)
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for name,value in pairs(treecapitator.default_tree) do
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if tab[name] == nil then
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tab[name] = value --replaces not defined stuff
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end
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end
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treecapitator.trees[#treecapitator.trees+1] = tab
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for i = 1,#tab.trees do
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local nodename = tab.trees[i]
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local data = minetest.registered_nodes[nodename]
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if not data then
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error(nodename .. " has to be registered before calling " ..
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"treecapitator.register_tree.")
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end
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local func = after_dig_wrap
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local prev_after_dig = data.after_dig_node
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if prev_after_dig then
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func = function(pos, oldnode, oldmetadata, digger)
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prev_after_dig(pos, oldnode, oldmetadata, digger)
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treecapitator.capitate_tree(pos, digger)
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end
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end
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minetest.override_item(nodename, {after_dig_node = func})
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after_dig_nodes[#after_dig_nodes+1] = nodename
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end
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end
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