minetest-mods/mesecons
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First draft of some kind of Action Queue (just like the globalstep queue in to_update), but more flexible and also including delay functionality (mesecon_delayer).

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The queue is also saved to a file, so that when restarting mesecons, delayers resume to the state they had when the game shut down. Needs testing.
This commit is contained in:
Jeija
2014-01-10 22:29:18 +01:00
parent 3f76b77001
commit 2d004b19ea
6 changed files with 177 additions and 159 deletions
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153
mesecons/internal.lua
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@ -177,121 +177,76 @@ function mesecon:effector_get_rules(node)
return mesecon.rules.default
end
--Signals
-- #######################
-- # Signals (effectors) #
-- #######################
-- Activation:
mesecon.queue:add_function("activate", function (pos, rulename)
node = minetest.get_node(pos)
effector = mesecon:get_effector(node.name)
if effector and effector.action_on then
effector.action_on(pos, node, rulename)
end
end)
function mesecon:activate(pos, node, rulename)
if MESECONS_GLOBALSTEP then
if rulename == nil then
for _,rule in ipairs(mesecon:effector_get_rules(node)) do
mesecon:activate(pos, node, rule)
end
return
end
add_action(pos, "on", rulename)
else
local effector = mesecon:get_effector(node.name)
if effector and effector.action_on then
effector.action_on (pos, node, rulename)
if rulename == nil then
for _,rule in ipairs(mesecon:effector_get_rules(node)) do
mesecon:activate(pos, node, rule)
end
return
end
mesecon.queue:add_action(pos, "activate", {rulename}, nil, rulename)
end
-- Deactivation
mesecon.queue:add_function("deactivate", function (pos, rulename)
node = minetest.get_node(pos)
effector = mesecon:get_effector(node.name)
if effector and effector.action_off then
effector.action_off(pos, node, rulename)
end
end)
function mesecon:deactivate(pos, node, rulename)
if MESECONS_GLOBALSTEP then
if rulename == nil then
for _,rule in ipairs(mesecon:effector_get_rules(node)) do
mesecon:deactivate(pos, node, rule)
end
return
end
add_action(pos, "off", rulename)
else
local effector = mesecon:get_effector(node.name)
if effector and effector.action_off then
effector.action_off (pos, node, rulename)
if rulename == nil then
for _,rule in ipairs(mesecon:effector_get_rules(node)) do
mesecon:deactivate(pos, node, rule)
end
return
end
mesecon.queue:add_action(pos, "deactivate", {rulename}, nil, rulename)
end
-- Change
mesecon.queue:add_function("change", function (pos, rulename, changetype)
node = minetest.get_node(pos)
effector = mesecon:get_effector(node.name)
if effector and effector.action_change then
effector.action_change(pos, node, rulename, changetype)
end
end)
function mesecon:changesignal(pos, node, rulename, newstate)
newstate = newstate or "on"
--rulename = rulename or mesecon.rules.default
if MESECONS_GLOBALSTEP then
if rulename == nil then
for _,rule in ipairs(mesecon:effector_get_rules(node)) do
mesecon:changesignal(pos, node, rule, newstate)
end
if rulename == nil then
for _,rule in ipairs(mesecon:effector_get_rules(node)) do
mesecon:changesignal(pos, node, rule, newstate)
end
return
end
add_action(pos, "c"..newstate, rulename)
else
local effector = mesecon:get_effector(node.name)
if effector and effector.action_change then
effector.action_change (pos, node, rulename, newstate)
end
end
mesecon.queue:add_action(pos, "change", {rulename, newstate}, nil, rulename)
end
function execute_actions(dtime)
local nactions = mesecon.to_update
mesecon.to_update = {}
for _,i in ipairs(nactions) do
node = minetest.get_node(i.pos)
if node.name=="ignore" then
add_action(i.pos, i.action, i.rname)
else
effector = mesecon:get_effector(node.name)
if i.action == "on" then
if effector and effector.action_on then
effector.action_on(i.pos, node, i.rname)
end
elseif i.action == "off" then
if effector and effector.action_off then
effector.action_off(i.pos, node, i.rname)
end
elseif i.action == "con" then
if effector and effector.action_change then
effector.action_change(i.pos, node, i.rname, "on")
end
elseif i.action == "coff" then
if effector and effector.action_change then
effector.action_change(i.pos, node, i.rname, "off")
end
end
end
end
local nactions = mesecon.r_to_update
mesecon.r_to_update = {}
for _,i in ipairs(nactions) do
if i.action == "on" then
mesecon:receptor_on_i(i.pos, i.rules)
else
mesecon:receptor_off_i(i.pos,i.rules)
end
end
end
minetest.register_globalstep(execute_actions)
function add_action(pos, action, rname)
for _,i in ipairs(mesecon.to_update) do
if i.pos.x == pos.x and i.pos.y == pos.y and i.pos.z == pos.z and i.rname.x == rname.x and i.rname.y == rname.y and i.rname.z == rname.z then
if (i.action == "on" and action == "on") or (i.action == "off" and action == "off") then
--nothing
elseif i.action == "coff" and action == "on" then i.action = "on"
elseif i.action == "con" and action == "off" then i.action = "off"
else
if action == "on" or action == "con" then i.action = "con" end
if action == "off" or action == "coff" then i.action = "coff" end
end
break
end
end
mesecon.to_update[#mesecon.to_update+1] = {pos = pos, action = action, rname = rname}
end
--Rules
-- #########
-- # Rules # "Database" for rulenames
-- #########
function mesecon:add_rules(name, rules)
mesecon.rules[name] = rules