58 lines
1.6 KiB
Lua
58 lines
1.6 KiB
Lua
--
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-- Persistent snippets
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--
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-- Get storage
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local storage = ...
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assert(storage)
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-- Load persistent snippets
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local register_snippet_raw = snippets.register_snippet
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do
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for name, def in pairs(storage:to_table().fields) do
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if name:sub(1, 1) == '>' then
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def = minetest.deserialize(def)
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if def then
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def.persistent = true
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register_snippet_raw(name:sub(2), def)
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end
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end
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end
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end
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-- Override snippets.register_snippet so it accepts the "persistent" field.
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function snippets.register_snippet(name, def)
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if def == nil and type(name) == 'table' then
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name, def = name.name, name
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end
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-- Fix tracebacks
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local good, msg = pcall(register_snippet_raw, name, def)
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if not good then error(msg, 2) end
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if not msg then return msg end
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-- Check for def.persistent
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def = snippets.registered_snippets[name]
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if type(def) == 'table' and def.persistent and def.code then
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print('Saving snippet', name)
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storage:set_string('>' .. name, minetest.serialize({
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code = def.code,
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owner = def.owner,
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autorun = def.autorun
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}))
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end
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-- Return the same value as register_snippet_raw.
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return msg
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end
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-- Override snippets.unregister_snippet
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local unregister_snippet_raw = snippets.unregister_snippet
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function snippets.unregister_snippet(name)
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local def = snippets.registered_snippets[name]
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if def and def.persistent then
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storage:set_string('>' .. name, '')
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end
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return unregister_snippet_raw(name)
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end
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