Add LuaVoxelManip support to forcefield

This commit is contained in:
ShadowNinja 2013-07-12 15:41:59 -04:00
parent 30361afb34
commit 4f35f407ce

@ -6,7 +6,7 @@
-- How expensive is the generator? Leaves room for upgrades lowering the power drain?
local forcefield_power_drain = 10
local forcefield_update_interval = 1
local forcefield_step_interval = 1
minetest.register_craft({
output = 'technic:forcefield_emitter_off',
@ -25,40 +25,39 @@ minetest.register_craft({
-- | |
-- \___/\___/
local function update_forcefield(pos, range, active)
local vm = VoxelManip()
local p1 = {x = pos.x-range, y = pos.y-range, z = pos.z-range}
local p2 = {x = pos.x+range, y = pos.y+range, z = pos.z+range}
local MinEdge, MaxEdge = vm:read_from_map(p1, p2)
local area = VoxelArea:new({MinEdge = MinEdge, MaxEdge = MaxEdge})
local data = vm:get_data()
local function add_forcefield(pos, range)
for x=-range,range do
for y=-range,range do
for z=-range,range do
if (x*x+y*y+z*z) <= (range * range + range) and
(range-1) * (range-1) + (range-1) <= x*x+y*y+z*z then
local node_pos = {x=pos.x+x, y=pos.y+y, z=pos.z+z}
local name = minetest.env:get_node(node_pos).name
if (name == "air") then
minetest.env:add_node(node_pos, {name = "technic:forcefield"})
local c_air = minetest.get_content_id("air")
local c_field = minetest.get_content_id("technic:forcefield")
for z=-range, range do
for y=-range, range do
local vi = area:index(pos.x+(-range), pos.y+y, pos.z+z)
for x=-range, range do
if x*x+y*y+z*z <= range * range + range and
x*x+y*y+z*z >= (range-1) * (range-1) + (range-1) and
((active and data[vi] == c_air) or ((not active) and data[vi] == c_field)) then
if active then
data[vi] = c_field
else
data[vi] = c_air
end
end
vi = vi + 1
end
end
end
return true
end
local function remove_forcefield(pos, range)
for x=-range,range do
for y=-range,range do
for z=-range,range do
if (x*x+y*y+z*z) <= (range * range + range) and
(range-1) * (range-1) + (range-1) <= x*x+y*y+z*z then
local node_pos = {x=pos.x+x, y=pos.y+y, z=pos.z+z}
local name = minetest.env:get_node(node_pos).name
if (name == "technic:forcefield") then
minetest.env:remove_node(node_pos)
end
end
end
end
end
vm:set_data(data)
vm:update_liquids()
vm:write_to_map()
vm:update_map()
end
local get_forcefield_formspec = function(range)
@ -91,13 +90,13 @@ local forcefield_receive_fields = function(pos, formname, fields, sender)
if range > 20 then range = 20 end
if range <= 20 and range >= 5 and meta:get_int("range") ~= range then
remove_forcefield(pos, meta:get_int("range"))
update_forcefield(pos, meta:get_int("range"), false)
meta:set_int("range", range)
meta:set_string("formspec", get_forcefield_formspec(range))
end
end
local forcefield_check = function(pos)
local function forcefield_step(pos)
local meta = minetest.env:get_meta(pos)
local node = minetest.env:get_node(pos)
local eu_input = meta:get_int("HV_EU_input")
@ -118,7 +117,7 @@ local forcefield_check = function(pos)
if meta:get_int("enabled") == 0 then
if node.name == "technic:forcefield_emitter_on" then
remove_forcefield(pos, meta:get_int("range"))
update_forcefield(pos, meta:get_int("range"), false)
hacky_swap_node(pos, "technic:forcefield_emitter_off")
meta:set_int("HV_EU_demand", 100)
meta:set_string("infotext", "Forcefield Generator Disabled")
@ -126,7 +125,7 @@ local forcefield_check = function(pos)
elseif eu_input < power_requirement then
meta:set_string("infotext", "Forcefield Generator Unpowered")
if node.name == "technic:forcefield_emitter_on" then
remove_forcefield(pos, meta:get_int("range"))
update_forcefield(pos, meta:get_int("range"), false)
hacky_swap_node(pos, "technic:forcefield_emitter_off")
end
elseif eu_input >= power_requirement then
@ -134,7 +133,7 @@ local forcefield_check = function(pos)
hacky_swap_node(pos, "technic:forcefield_emitter_on")
meta:set_string("infotext", "Forcefield Generator Active")
end
add_forcefield(pos, meta:get_int("range"))
update_forcefield(pos, meta:get_int("range"), true)
end
meta:set_int("HV_EU_demand", power_requirement)
return true
@ -157,10 +156,10 @@ minetest.register_node("technic:forcefield_emitter_off", {
tiles = {"technic_forcefield_emitter_off.png"},
is_ground_content = true,
groups = {cracky = 1},
on_timer = forcefield_check,
on_timer = forcefield_step,
on_receive_fields = forcefield_receive_fields,
on_construct = function(pos)
minetest.env:get_node_timer(pos):start(forcefield_update_interval)
minetest.env:get_node_timer(pos):start(forcefield_step_interval)
local meta = minetest.env:get_meta(pos)
meta:set_float("technic_hv_power_machine", 1)
meta:set_int("HV_EU_input", 0)
@ -179,10 +178,10 @@ minetest.register_node("technic:forcefield_emitter_on", {
is_ground_content = true,
groups = {cracky = 1, not_in_creative_inventory=1},
drop='"technic:forcefield_emitter_off" 1',
on_timer = forcefield_check,
on_timer = forcefield_step,
on_receive_fields = forcefield_receive_fields,
on_construct = function(pos)
minetest.env:get_node_timer(pos):start(forcefield_update_interval)
minetest.env:get_node_timer(pos):start(forcefield_step_interval)
local meta = minetest.env:get_meta(pos)
-- meta:set_float("technic_hv_power_machine", 1)
-- meta:set_float("HV_EU_input", 0)
@ -192,8 +191,8 @@ minetest.register_node("technic:forcefield_emitter_on", {
meta:set_string("formspec", get_forcefield_formspec(meta:get_int("range")))
-- meta:set_string("infotext", "Forcefield emitter");
end,
on_dig = function(pos, node, digger)
remove_forcefield(pos, minetest.env:get_meta(pos):get_int("range"))
on_dig = function(pos, node, digger)
update_forcefield(pos, minetest.env:get_meta(pos):get_int("range"), false)
return minetest.node_dig(pos, node, digger)
end,
mesecons = mesecons