forked from minetest-mods/mesecons
		
	Update code to standards of Minetest 0.4.8.
This commit is contained in:
		@@ -62,9 +62,9 @@ local piston_remove_pusher = function(pos, node)
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	dir = piston_get_direction(pistonspec.dir, node)
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	local pusherpos = mesecon:addPosRule(pos, dir)
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	local pushername = minetest.env:get_node(pusherpos).name
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	local pushername = minetest.get_node(pusherpos).name
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	minetest.env:remove_node(pusherpos)
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	minetest.remove_node(pusherpos)
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	minetest.sound_play("piston_retract", {
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		pos = pos,
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		max_hear_distance = 20,
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@@ -80,8 +80,8 @@ local piston_on = function(pos, node)
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	local np = mesecon:addPosRule(pos, dir)
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	local success, stack, oldstack = mesecon:mvps_push(np, dir, PISTON_MAXIMUM_PUSH)
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	if success then
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		minetest.env:add_node(pos, {param2 = node.param2, name = pistonspec.onname})
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		minetest.env:add_node(np,  {param2 = node.param2, name = pistonspec.pusher})
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		minetest.add_node(pos, {param2 = node.param2, name = pistonspec.onname})
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		minetest.add_node(np,  {param2 = node.param2, name = pistonspec.pusher})
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		minetest.sound_play("piston_extend", {
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			pos = pos,
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			max_hear_distance = 20,
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@@ -94,7 +94,7 @@ end
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local piston_off = function(pos, node)
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	local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
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	minetest.env:add_node(pos, {param2 = node.param2, name = pistonspec.offname})
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	minetest.add_node(pos, {param2 = node.param2, name = pistonspec.offname})
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	piston_remove_pusher(pos, node)
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	if pistonspec.sticky then
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@@ -112,12 +112,12 @@ local piston_orientate = function(pos, placer)
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	-- placer pitch in degrees
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	local pitch = placer:get_look_pitch() * (180 / math.pi)
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	local node = minetest.env:get_node(pos)
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	local node = minetest.get_node(pos)
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	local pistonspec = minetest.registered_nodes[node.name].mesecons_piston
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	if pitch > 55 then --looking upwards
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		minetest.env:add_node(pos, {name=pistonspec.piston_down})
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		minetest.add_node(pos, {name=pistonspec.piston_down})
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	elseif pitch < -55 then --looking downwards
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		minetest.env:add_node(pos, {name=pistonspec.piston_up})
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		minetest.add_node(pos, {name=pistonspec.piston_up})
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	end
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end
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@@ -717,7 +717,7 @@ local piston_get_stopper = function (node, dir, stack, stackid)
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	pistonspec = minetest.registered_nodes[node.name].mesecons_piston
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	dir = piston_get_direction(pistonspec.dir, node)
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	local pusherpos  = mesecon:addPosRule(stack[stackid].pos, dir)
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	local pushernode = minetest.env:get_node(pusherpos)
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	local pushernode = minetest.get_node(pusherpos)
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	if minetest.registered_nodes[node.name].mesecons_piston.pusher == pushernode.name then
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		for _, s in ipairs(stack) do
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