53 lines
1.5 KiB
Lua
53 lines
1.5 KiB
Lua
-- passive.lua
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-- API to passive components, as described in passive_api.txt
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local function getstate(parpos)
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local pos=atlatc.pcnaming.resolve_pos(parpos)
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if type(pos)~="table" or (not pos.x or not pos.y or not pos.z) then
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debug.sethook()
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error("Invalid position supplied to getstate")
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end
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local node=advtrains.ndb.get_node(pos)
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local ndef=minetest.registered_nodes[node.name]
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if ndef and ndef.luaautomation and ndef.luaautomation.getstate then
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local st=ndef.luaautomation.getstate
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if type(st)=="function" then
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return st(pos, node)
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else
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return st
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end
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end
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return nil
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end
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local function setstate(parpos, newstate)
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local pos=atlatc.pcnaming.resolve_pos(parpos)
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if type(pos)~="table" or (not pos.x or not pos.y or not pos.z) then
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debug.sethook()
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error("Invalid position supplied to setstate")
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end
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local node=advtrains.ndb.get_node(pos)
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local ndef=minetest.registered_nodes[node.name]
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if ndef and ndef.luaautomation and ndef.luaautomation.setstate then
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local st=ndef.luaautomation.setstate
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st(pos, node, newstate)
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end
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end
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local function is_passive(parpos)
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local pos=atlatc.pcnaming.resolve_pos(parpos)
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if type(pos)~="table" or (not pos.x or not pos.y or not pos.z) then
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return false
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end
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local node=advtrains.ndb.get_node(pos)
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local ndef=minetest.registered_nodes[node.name]
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if ndef and ndef.luaautomation and ndef.luaautomation.getstate then
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return true
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end
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return false
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end
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-- gets called from environment.lua
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-- return the values here to keep them local
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return getstate, setstate, is_passive
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