forked from minetest-mods/mesecons
		
	Fixes with multi-conductors that have special connects
This commit is contained in:
		@@ -412,7 +412,7 @@ end
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function mesecon:turnon(pos, rulename)
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	local node = minetest.get_node(pos)
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	if mesecon:is_conductor_off(node, rulename) then
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		local rules = mesecon:conductor_get_rules(node)
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@@ -429,7 +429,7 @@ function mesecon:turnon(pos, rulename)
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		for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
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			local np = mesecon:addPosRule(pos, rule)
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			local link, rulename = mesecon:rules_link(pos, np)
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			local link, rulename = mesecon:rules_link_rule(pos, rule)
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			if link then
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				mesecon:turnon(np, rulename)
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@@ -462,7 +462,7 @@ function mesecon:turnoff(pos, rulename)
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		for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
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			local np = mesecon:addPosRule(pos, rule)
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			local link, rulename = mesecon:rules_link(pos, np)
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			local link, rulename = mesecon:rules_link_rule(pos, rule)
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			if link then
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				mesecon:turnoff(np, rulename)
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@@ -498,23 +498,25 @@ function mesecon:connected_to_receptor(pos, rulename)
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end
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function mesecon:find_receptor_on(pos, checked, rulename)
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	-- find out if node has already been checked (to prevent from endless loop)
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	for _, cp in ipairs(checked) do
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		if mesecon:cmpPos(cp, pos) then
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			return false, checked
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		end
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	end
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	-- add current position to checked
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	table.insert(checked, {x=pos.x, y=pos.y, z=pos.z})
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	local node = minetest.get_node(pos)
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	if mesecon:is_receptor_on(node.name) then
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		-- add current position to checked
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		table.insert(checked, {x=pos.x, y=pos.y, z=pos.z})
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		return true
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	end
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	if mesecon:is_conductor(node.name) then
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		local rules = mesecon:conductor_get_rules(node)
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		local metaindex = mesecon:rule2metaindex(rulename, rules)
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		-- find out if node has already been checked (to prevent from endless loop)
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		for _, cp in ipairs(checked) do
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			if mesecon:cmpPos(cp, pos) and cp.metaindex == metaindex then
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				return false, checked
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			end
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		end
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		-- add current position to checked
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		table.insert(checked, {x=pos.x, y=pos.y, z=pos.z, metaindex = metaindex})
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		for _, rule in ipairs(mesecon:rule2meta(rulename, rules)) do
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			local np = mesecon:addPosRule(pos, rule)
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			if mesecon:rules_link(np, pos) then
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@@ -523,6 +525,14 @@ function mesecon:find_receptor_on(pos, checked, rulename)
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				end
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			end
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		end
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	else
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		-- find out if node has already been checked (to prevent from endless loop)
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		for _, cp in ipairs(checked) do
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			if mesecon:cmpPos(cp, pos) then
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				return false, checked
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			end
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		end
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		table.insert(checked, {x=pos.x, y=pos.y, z=pos.z})
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	end
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	return false
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@@ -543,9 +553,7 @@ function mesecon:rules_link(output, input, dug_outputrules) --output/input are p
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			for _, inputrule in ipairs(mesecon:flattenrules(inputrules)) do
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				-- Check if input accepts from output
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				if  mesecon:cmpPos(mesecon:addPosRule(input, inputrule), output) then
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					if inputrule.sx == nil or outputrule.sx == nil or
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						(inputrule.sx == outputrule.sx and inputrule.sy == outputrule.sy
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							and inputrule.sz == outputrule.sz) then
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					if inputrule.sx == nil or outputrule.sx == nil or mesecon:cmpSpecial(inputrule, outputrule) then
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						return true, inputrule
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					end
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				end
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@@ -555,6 +563,25 @@ function mesecon:rules_link(output, input, dug_outputrules) --output/input are p
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	return false
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end
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function mesecon:rules_link_rule(output, rule) --output/input are positions (outputrules optional, used if node has been dug), second return value: the name of the affected input rule
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	local input = mesecon:addPosRule(output, rule)
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	local inputnode = minetest.get_node(input)
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	local inputrules = mesecon:get_any_inputrules (inputnode)
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	if not inputrules then
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		return
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	end
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	for _, inputrule in ipairs(mesecon:flattenrules(inputrules)) do
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		-- Check if input accepts from output
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		if  mesecon:cmpPos(mesecon:addPosRule(input, inputrule), output) then
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			if inputrule.sx == nil or rule.sx == nil or mesecon:cmpSpecial(inputrule, rule) then
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				return true, inputrule
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			end
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		end
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	end
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	return false
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end
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function mesecon:rules_link_anydir(pos1, pos2)
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	return mesecon:rules_link(pos1, pos2) or mesecon:rules_link(pos2, pos1)
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end
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@@ -62,18 +62,18 @@ function mesecon:rule2bit(findrule, allrules)
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	end
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	for m,metarule in ipairs( allrules) do
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	for _,    rule in ipairs(metarule ) do
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		if mesecon:cmpPos(findrule, rule) then
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		if mesecon:cmpPos(findrule, rule) and mesecon:cmpSpecial(findrule, rule) then
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			return m
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		end
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	end
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	end
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end
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function mesecon:rule2meta(findrule, allrules)
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function mesecon:rule2metaindex(findrule, allrules)
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	--get the metarule the rule is in, or allrules
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	if allrules[1].x then
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		return allrules
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		return nil
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	end
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	if not(findrule) then
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@@ -82,13 +82,19 @@ function mesecon:rule2meta(findrule, allrules)
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	for m, metarule in ipairs( allrules) do
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	for _,     rule in ipairs(metarule ) do
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		if mesecon:cmpPos(findrule, rule) then
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			return metarule
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		if mesecon:cmpPos(findrule, rule) and mesecon:cmpSpecial(findrule, rule) then
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			return m
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		end
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	end
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	end
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end
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function mesecon:rule2meta(findrule, allrules)
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	local index = mesecon:rule2metaindex(findrule, allrules)
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	if index == nil then return allrules end
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	return allrules[index]
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end
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if convert_base then
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	print(
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		"base2dec is tonumber(num,base1)\n"..
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@@ -141,7 +147,7 @@ function mesecon:set_bit(binary,bit,value)
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end
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function mesecon:invertRule(r)
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	return {x = -r.x, y = -r.y, z = -r.z}
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	return {x = -r.x, y = -r.y, z = -r.z, sx = r.sx, sy = r.sy, sz = r.sz}
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end
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function mesecon:addPosRule(p, r)
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@@ -152,6 +158,10 @@ function mesecon:cmpPos(p1, p2)
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	return (p1.x == p2.x and p1.y == p2.y and p1.z == p2.z)
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end
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function mesecon:cmpSpecial(r1, r2)
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	return (r1.sx == r2.sx and r1.sy == r2.sy and r1.sz == r2.sz)
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end
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function mesecon:tablecopy(table) -- deep table copy
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	local newtable = {}
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