digilines/internal.lua

91 lines
2.3 KiB
Lua
Raw Normal View History

2013-01-20 00:03:51 +01:00
function digiline:getspec(node)
if not minetest.registered_nodes[node.name] then return false end
return minetest.registered_nodes[node.name].digiline
end
function digiline:importrules(spec, node)
if type(spec) == 'function' then
return spec(node)
elseif spec then
return spec
else
return digiline.rules.default
end
end
function digiline:getAnyInputRules(pos)
2014-02-13 21:45:31 +01:00
local node = minetest.get_node(pos)
2014-04-24 22:56:10 +02:00
local spec = digiline:getspec(node)
2013-01-20 00:03:51 +01:00
if not spec then return end
if spec.wire then
return digiline:importrules(spec.wire.rules, node)
end
if spec.effector then
return digiline:importrules(spec.effector.rules, node)
end
end
function digiline:getAnyOutputRules(pos)
2014-02-13 21:45:31 +01:00
local node = minetest.get_node(pos)
2014-04-24 22:56:10 +02:00
local spec = digiline:getspec(node)
2013-01-20 00:03:51 +01:00
if not spec then return end
if spec.wire then
return digiline:importrules(spec.wire.rules, node)
end
if spec.receptor then
return digiline:importrules(spec.receptor.rules, node)
end
end
function digiline:rules_link(output, input)
local outputrules = digiline:getAnyOutputRules(output)
local inputrules = digiline:getAnyInputRules (input)
if not outputrules or not inputrules then return false end
for _, orule in ipairs(outputrules) do
if digiline:cmpPos(digiline:addPosRule(output, orule), input) then
for _, irule in ipairs(inputrules) do
if digiline:cmpPos(digiline:addPosRule(input, irule), output) then
return true
end
end
end
end
return false
end
function digiline:rules_link_anydir(output, input)
return digiline:rules_link(output, input)
or digiline:rules_link(input, output)
end
function digiline:transmit(pos, channel, msg, checked)
local checkedid = tostring(pos.x).."_"..tostring(pos.y).."_"..tostring(pos.z)
if checked[checkedid] then return end
2013-01-20 00:03:51 +01:00
checked[checkedid] = true
2014-02-13 21:45:31 +01:00
local node = minetest.get_node(pos)
2013-01-20 00:03:51 +01:00
local spec = digiline:getspec(node)
if not spec then return end
-- Effector actions --> Receive
if spec.effector then
spec.effector.action(pos, node, channel, msg)
end
-- Cable actions --> Transmit
if spec.wire then
local rules = digiline:importrules(spec.wire.rules, node)
for _,rule in ipairs(rules) do
if digiline:rules_link(pos, digiline:addPosRule(pos, rule)) then
digiline:transmit(digiline:addPosRule(pos, rule), channel, msg, checked)
2013-01-20 00:03:51 +01:00
end
end
end
end