minetest-mods
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mesecons
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Further (small) speed improvement, shrink code & more comments on it

This commit is contained in:
Jeija 2012-08-12 23:02:38 +02:00
parent 3ea68a6eae
commit fc74976f9c
2 changed files with 112 additions and 100 deletions
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16
mesecons/init.lua
View File

@ -132,7 +132,19 @@ function mesecon:add_receptor_node_off(nodename, rules, get_rules)
end
function mesecon:receptor_on(pos, rules)
mesecon:turnon(pos, 0, 0, 0, true, rules)
if rules == nil then
rules = mesecon:get_rules("default")
end
local i = 1
while rules[i]~=nil do
local np = {}
np.x = pos.x + rules[i].x
np.y = pos.y + rules[i].y
np.z = pos.z + rules[i].z
mesecon:turnon(np)
i=i+1
end
end
function mesecon:receptor_off(pos, rules)
@ -146,7 +158,7 @@ function mesecon:receptor_off(pos, rules)
np.x = pos.x + rules[i].x
np.y = pos.y + rules[i].y
np.z = pos.z + rules[i].z
if mesecon:connected_to_pw_src(np, 0, 0, 0, {}) == false then
if not mesecon:connected_to_pw_src(np, {}) then
mesecon:turnoff(np)
end
i=i+1

196
mesecons/internal_api.lua
View File

@ -234,30 +234,29 @@ function mesecon:is_power_off(pos)
return 0
end
function mesecon:turnon(p, x, y, z, firstcall, rules)
if rules==nil then
rules=mesecon:get_rules("default")
end
local lpos = {}
lpos.x=p.x+x
lpos.y=p.y+y
lpos.z=p.z+z
function mesecon:turnon(pos)
local node = minetest.env:get_node(pos)
mesecon:changesignal(lpos)
mesecon:activate(lpos)
local node = minetest.env:get_node(lpos)
if mesecon:is_conductor_off(node.name) then
minetest.env:add_node(lpos, {name=mesecon:get_conductor_on(node.name)})
nodeupdate(lpos)
end
if mesecon:is_conductor_off(node.name) or firstcall then
minetest.env:add_node(pos, {name=mesecon:get_conductor_on(node.name)})
nodeupdate(pos)
rules = mesecon:get_rules("default") --TODO: Use rules of conductor
local i=1
while rules[i]~=nil do
mesecon:turnon(lpos, rules[i].x, rules[i].y, rules[i].z, false)
while rules[i]~=nil do
local np = {}
np.x = pos.x + rules[i].x
np.y = pos.y + rules[i].y
np.z = pos.z + rules[i].z
mesecon:turnon(np)
i=i+1
end
end
mesecon:changesignal(pos)
if minetest.get_item_group(node.name, "mesecon_effector_off") == 1 then
mesecon:activate(pos)
end
end
function mesecon:turnoff(pos)
@ -267,8 +266,8 @@ function mesecon:turnoff(pos)
minetest.env:add_node(pos, {name=mesecon:get_conductor_off(node.name)})
nodeupdate(pos)
rules = mesecon:get_rules("default")
local i=1
rules = mesecon:get_rules("default") --TODO: Use ruels of conductor
local i = 1
while rules[i]~=nil do
local np = {}
np.x = pos.x + rules[i].x
@ -281,119 +280,116 @@ function mesecon:turnoff(pos)
mesecon:changesignal(pos) --Changesignal is always thrown because nodes can be both receptors and effectors
if minetest.get_item_group(node.name, "mesecon_effector_on") == 1 and
not mesecon:check_if_turnon(pos) then --Check if the signal comes from another source
not mesecon:is_powered(pos) then --Check if the signal comes from another source
--Send Signals to effectors:
mesecon:deactivate(pos)
end
end
function mesecon:connected_to_pw_src(pos, x, y, z, checked)
local i=1
local lpos = {}
function mesecon:connected_to_pw_src(pos, checked)
local i = 1
while checked[i] ~= nil do --find out if node has already been checked
if checked[i].x == pos.x and checked[i].y == pos.y and checked[i].z == pos.z then
return false
end
i = i + 1
end
checked[i] = {x=pos.x, y=pos.y, z=pos.z} --add current node to checked
lpos.x=pos.x+x
lpos.y=pos.y+y
lpos.z=pos.z+z
local node = minetest.env:get_node_or_nil(pos)
if node == nil then return false end
local node = minetest.env:get_node_or_nil(lpos)
if not(node==nil) then
repeat
i=i+1
if checked[i]==nil then checked[i]={} break end
if checked[i].x==lpos.x and checked[i].y==lpos.y and checked[i].z==lpos.z then
return false
end
until false
checked[i].x=lpos.x
checked[i].y=lpos.y
checked[i].z=lpos.z
if mesecon:is_receptor_node(node.name, lpos, pos) == true then -- receptor nodes (power sources) can be added using mesecon:add_receptor_node
if mesecon:is_conductor_on(node.name) or mesecon:is_conductor_off(node.name) then
if mesecon:is_powered_from_receptor(pos) then --return if conductor is powered
return true
end
if mesecon:is_conductor_on(node.name) then
local rules=mesecon:get_rules("default")
local i=1
while rules[i]~=nil do
if mesecon:connected_to_pw_src(lpos, rules[i].x, rules[i].y, rules[i].z, checked) == true then return true end
i=i+1
end
local rules = mesecon:get_rules("default") --TODO: Use conductor specific rules
local i = 1
while rules[i] ~= nil do
local np = {}
np.x = pos.x + rules[i].x
np.y = pos.y + rules[i].y
np.z = pos.z + rules[i].z
if mesecon:connected_to_pw_src(np, checked) == true then
return true
end
i=i+1
end
end
return false
end
function mesecon:check_if_turnon(pos)
local i=1
local j=1
local k=1
local l=1
local m=1
local n=1
function mesecon:is_powered_from_receptor(pos)
local rcpt
local rcpt_pos={}
local rules
local rcpt_pos = {}
local rcpt_checked = {} --using a checked array speeds this up
local i = 1
local j = 1
local k = 1
local pos_checked = false
rules=mesecon:get_rules("default") --Power form a on-conductor
while mesecon.rules[i]~=nil do
j=1
while mesecon.rules[i].rules[j]~=nil do
rcpt_pos = {
x = pos.x-mesecon.rules[i].rules[j].x,
y = pos.y-mesecon.rules[i].rules[j].y,
z = pos.z-mesecon.rules[i].rules[j].z}
k = 1
pos_checked = false
while rcpt_checked[k] ~= nil do
if compare_pos(rcpt_checked[k], rcpt_pos) then
pos_checked = true
end
k = k + 1
end
if not pos_checked then
table.insert(rcpt_checked, rcpt_pos)
rcpt = minetest.env:get_node(rcpt_pos)
if mesecon:is_receptor_node(rcpt.name, rcpt_pos, pos) then
return true
end
end
j=j+1
end
i=i+1
end
return false
end
function mesecon:is_powered_from_conductor(pos)
local k=1
rules=mesecon:get_rules("default") --TODO: use conductor specific rules
while rules[k]~=nil do
if mesecon:is_conductor_on(minetest.env:get_node({x=pos.x+rules[k].x, y=pos.y+rules[k].y, z=pos.z+rules[k].z}).name) then
return true
end
k=k+1
end
while mesecon.rules[i]~=nil do --Power from a receptor
j=1
while mesecon.rules[i].rules[j]~=nil do
rcpt_pos={x=pos.x-mesecon.rules[i].rules[j].x, y=pos.y-mesecon.rules[i].rules[j].y, z=pos.z-mesecon.rules[i].rules[j].z}
rcpt=minetest.env:get_node(rcpt_pos)
if mesecon:is_receptor_node(rcpt.name, rcpt_pos, pos) then
return true
end
j=j+1
end
i=i+1
end
--[[while mesecon.pwr_srcs[l]~= nil do
if mesecon.pwr_srcs[l].get_rules ~= nil then
rules = mesecon.pwr_srcs[l].get_rules("all")
while rules[m]~=nil do
rcpt_pos = {x = pos.x-rules[j].x, y = pos.y-rules[j].y, z = pos.z-rules[j].z}
rcpt = minetest.env:get_node(rcpt_pos)
if rcpt.name == mesecon.pwr_srcs[l].name then --this name is always the onstate, offstate would be pwr_srcs_off
actual_rules = mesecon.pwr_srcs[l].get_rules(rcpt_pos)
if (actual_rules.x == rules.x and actual_rules.y == rules.y and actual_rules.z == rules.z) then
return true
end
end
m = m + 1
end
end
l = l + 1
end]] --that was rubbish
return false
end
function mesecon:is_powered(pos)
return mesecon:is_powered_from_conductor(pos) or mesecon:is_powered_from_receptor(pos)
end
function mesecon:updatenode(pos)
if mesecon:connected_to_pw_src(pos, 0, 0, 0, {}) then
mesecon:turnon(pos, 0, 0, 0)
if mesecon:connected_to_pw_src(pos, {}) then
mesecon:turnon(pos)
else
mesecon:turnoff(pos)
end
end
minetest.register_on_placenode(function(pos, newnode, placer)
if mesecon:check_if_turnon(pos) then
if mesecon:is_powered(pos) then
if mesecon:is_conductor_off(newnode.name) then
mesecon:turnon(pos, 0, 0, 0)
mesecon:turnon(pos)
else
mesecon:changesignal(pos)
mesecon:activate(pos)
@ -409,3 +405,7 @@ minetest.register_on_dignode(
end
end
)
function compare_pos(pos1, pos2)
return pos1.x == pos2.x and pos1.y == pos2.y and pos1.z == pos2.z
end