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-rw-r--r--technic/machines/HV/forcefield.lua65
1 files changed, 41 insertions, 24 deletions
diff --git a/technic/machines/HV/forcefield.lua b/technic/machines/HV/forcefield.lua
index 2bf74bb..522f5e0 100644
--- a/technic/machines/HV/forcefield.lua
+++ b/technic/machines/HV/forcefield.lua
@@ -1,26 +1,36 @@
--- Forcefield mod by ShadowNinja
--- Modified by kpoppel
+--- Forcefield generator.
+-- @author ShadowNinja
--
-- Forcefields are powerful barriers but they consume huge amounts of power.
--- Forcefield Generator is a HV machine.
+-- The forcefield Generator is an HV machine.
-- How expensive is the generator?
-- Leaves room for upgrades lowering the power drain?
local forcefield_power_drain = 10
-local forcefield_step_interval = 1
local S = technic.getter
minetest.register_craft({
- output = 'technic:forcefield_emitter_off',
+ output = "technic:forcefield_emitter_off",
recipe = {
- {'default:mese', 'technic:motor', 'default:mese' },
- {'technic:deployer_off', 'technic:machine_casing', 'technic:deployer_off'},
- {'default:mese', 'technic:hv_cable0', 'default:mese' },
+ {"default:mese", "technic:motor", "default:mese" },
+ {"technic:deployer_off", "technic:machine_casing", "technic:deployer_off"},
+ {"default:mese", "technic:hv_cable0", "default:mese" },
}
})
+local replaceable_cids = {}
+
+minetest.after(0, function()
+ for name, ndef in pairs(minetest.registered_nodes) do
+ if ndef.buildable_to == true and name ~= "ignore" then
+ replaceable_cids[minetest.get_content_id(name)] = true
+ end
+ end
+end)
+
+
-- Idea: Let forcefields have different colors by upgrade slot.
-- Idea: Let forcefields add up by detecting if one hits another.
-- ___ __
@@ -28,28 +38,28 @@ minetest.register_craft({
-- | |
-- \___/\___/
-local function update_forcefield(pos, meta, active)
+local function update_forcefield(pos, meta, active, first)
local shape = meta:get_int("shape")
local range = meta:get_int("range")
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 MinEdge, MaxEdge = vm:read_from_map(vector.subtract(pos, range),
+ vector.add(pos, range))
local area = VoxelArea:new({MinEdge = MinEdge, MaxEdge = MaxEdge})
local data = vm:get_data()
- local c_air = minetest.get_content_id("air")
+ 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
+ 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
local relevant
if shape == 0 then
+ local squared = x * x + y * y + z * z
relevant =
- x*x+y*y+z*z <= range * range + range and
- x*x+y*y+z*z >= (range-1) * (range-1) + (range-1)
+ squared <= range * range + range and
+ squared >= (range - 1) * (range - 1) + (range - 1)
else
relevant =
x == -range or x == range or
@@ -57,9 +67,10 @@ local function update_forcefield(pos, meta, active)
z == -range or z == range
end
if relevant then
- if active and data[vi] == c_air then
+ local cid = data[vi]
+ if active and replaceable_cids[cid] then
data[vi] = c_field
- elseif not active and data[vi] == c_field then
+ elseif not active and cid == c_field then
data[vi] = c_air
end
end
@@ -71,7 +82,11 @@ local function update_forcefield(pos, meta, active)
vm:set_data(data)
vm:update_liquids()
vm:write_to_map()
- vm:update_map()
+ -- update_map is very slow, but if we don't call it we'll
+ -- get phantom blocks on the client.
+ if not active or first then
+ vm:update_map()
+ end
end
local function set_forcefield_formspec(meta)
@@ -135,7 +150,7 @@ local mesecons = {
}
}
-local run = function(pos, node, active_object_count, active_object_count_wider)
+local function run(pos, node)
local meta = minetest.get_meta(pos)
local eu_input = meta:get_int("HV_EU_input")
local enabled = meta:get_int("enabled") ~= 0 and (meta:get_int("mesecon_mode") == 0 or meta:get_int("mesecon_effect") ~= 0)
@@ -167,11 +182,13 @@ local run = function(pos, node, active_object_count, active_object_count_wider)
technic.swap_node(pos, "technic:forcefield_emitter_off")
end
elseif eu_input >= power_requirement then
+ local first = false
if node.name == "technic:forcefield_emitter_off" then
+ first = true
technic.swap_node(pos, "technic:forcefield_emitter_on")
meta:set_string("infotext", S("%s Active"):format(machine_name))
end
- update_forcefield(pos, meta, true)
+ update_forcefield(pos, meta, true, first)
end
end