The beginnings of fluid transfer
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@ -1,6 +1,22 @@
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-- Electric power
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ele.register_conduit("elepower_dynamics:conduit", {
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ele.register_conduit("elepower_dynamics:conduit", {
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description = "Power Conduit",
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description = "Power Conduit",
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tiles = {"elepower_conduit.png"},
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tiles = {"elepower_conduit.png"},
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groups = {oddly_breakable_by_hand = 1, cracky = 1}
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groups = {oddly_breakable_by_hand = 1, cracky = 1}
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})
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})
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-- Fluids
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elefluid.register_transfer_node("elepower_dynamics:fluid_transfer_node", {
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description = "Fluid Transfer Node",
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tiles = {"elepower_fluid_transporter_side.png", "elepower_fluid_transporter_side.png^[transformR180",
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"elepower_fluid_transporter_side.png^[transformR270", "elepower_fluid_transporter_side.png^[transformFXR90",
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"elepower_fluid_transporter_back.png", "elepower_fluid_transporter_front.png"},
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groups = {oddly_breakable_by_hand = 1, cracky = 1}
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})
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elefluid.register_transfer_duct("elepower_dynamics:fluid_duct", {
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description = "Fluid Duct",
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tiles = {"elepower_duct.png"},
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groups = {oddly_breakable_by_hand = 1, cracky = 1}
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})
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@ -1,4 +1,4 @@
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name = elepower_dynamics
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name = elepower_dynamics
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description = Elepower Dynamics. Conduits and materials!
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description = Elepower Dynamics. Conduits and materials!
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depends = elepower_papi,default
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depends = elepower_papi,elepower_fapi,default
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optional_depends = moreores
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optional_depends = moreores
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BIN
elepower_dynamics/textures/elepower_duct.png
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elepower_dynamics/textures/elepower_duct.png
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After Width: | Height: | Size: 5.3 KiB |
BIN
elepower_dynamics/textures/elepower_fluid_transporter_back.png
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elepower_dynamics/textures/elepower_fluid_transporter_back.png
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After Width: | Height: | Size: 489 B |
BIN
elepower_dynamics/textures/elepower_fluid_transporter_front.png
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elepower_dynamics/textures/elepower_fluid_transporter_front.png
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After Width: | Height: | Size: 474 B |
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elepower_dynamics/textures/elepower_fluid_transporter_side.png
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elepower_dynamics/textures/elepower_fluid_transporter_side.png
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After Width: | Height: | Size: 519 B |
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elepower_fapi/buffer.lua
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elepower_fapi/buffer.lua
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elepower_fapi/init.lua
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elepower_fapi/init.lua
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-- A Elepower Mod
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-- Copyright 2018 Evert "Diamond" Prants <evert@lunasqu.ee>
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local modpath = minetest.get_modpath(minetest.get_current_modname())
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elefluid = rawget(_G, "elefluid") or {}
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elefluid.modpath = modpath
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elefluid.unit = "mB"
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elefluid.unit_description = "milli-bucket"
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dofile(modpath.."/transfer.lua")
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dofile(modpath.."/transfer_node.lua")
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dofile(modpath.."/buffer.lua")
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4
elepower_fapi/mod.conf
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elepower_fapi/mod.conf
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name = elepower_fapi
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description = Elepower Fluid Transfer API
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depends = elepower_papi
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optional_depends = fluidity
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368
elepower_fapi/transfer.lua
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elepower_fapi/transfer.lua
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-- Network graphs are built eminating from provider nodes.
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-- Network cache
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elefluid.graphcache = {nodes = {}}
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local fluidmod = minetest.get_modpath("fluidity") ~= nil
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---------------------
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-- Graph Functions --
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---------------------
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local function clear_networks_from_node(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("network_id", "")
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end
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local function add_node(nodes, pos, pnodeid)
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local node_id = minetest.hash_node_position(pos)
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if elefluid.graphcache.nodes[node_id] and elefluid.graphcache.nodes[node_id] ~= pnodeid then return end
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elefluid.graphcache.nodes[node_id] = pnodeid
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if nodes[node_id] then
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return false
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end
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nodes[node_id] = pos
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return true
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end
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local function add_duct_node(nodes, pos, pnodeid, queue)
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if add_node(nodes, pos, pnodeid) then
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queue[#queue + 1] = pos
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end
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end
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local function check_node(targets, all_nodes, pos, p_pos, pnodeid, queue)
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ele.helpers.get_or_load_node(pos)
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local node = minetest.get_node(pos)
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local meta = minetest.get_meta(pos)
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if ele.helpers.get_item_group(node.name, "elefluid_transport") then
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add_duct_node(all_nodes, pos, pnodeid, queue)
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return
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end
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if not ele.helpers.get_item_group(node.name, "ele_fluid_container") then
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return
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end
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-- Don't add already networked nodes to this network
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if meta:get_string("network_id") ~= "" and meta:get_string("network_id") ~= pnodeid then
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return
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end
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meta:set_string("network_id", pnodeid)
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add_node(targets, pos, pnodeid)
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end
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local function traverse_network(targets, all_nodes, pos, p_pos, pnodeid, queue)
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local positions = {
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{x=pos.x+1, y=pos.y, z=pos.z},
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{x=pos.x-1, y=pos.y, z=pos.z},
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{x=pos.x, y=pos.y+1, z=pos.z},
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{x=pos.x, y=pos.y-1, z=pos.z},
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{x=pos.x, y=pos.y, z=pos.z+1},
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{x=pos.x, y=pos.y, z=pos.z-1}}
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for _, cur_pos in pairs(positions) do
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check_node(targets, all_nodes, cur_pos, p_pos, pnodeid, queue)
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end
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end
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local function fluid_targets(p_pos, positions)
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local provider = minetest.get_node(p_pos)
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local pnodeid = minetest.pos_to_string(p_pos)
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if elefluid.graphcache[pnodeid] then
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local cached = elefluid.graphcache[pnodeid]
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return cached.targets
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end
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local targets = {}
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local queue = {}
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local all_nodes = {}
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for pos in pairs(positions) do
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queue = {}
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local node = minetest.get_node(pos)
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if node and ele.helpers.get_item_group(node.name, "elefluid_transport") then
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add_duct_node(all_nodes, pos, pnodeid, queue)
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elseif node and ele.helpers.get_item_group(node.name, "ele_fluid_container") then
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queue = {p_pos}
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end
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while next(queue) do
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local to_visit = {}
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for _, posi in ipairs(queue) do
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traverse_network(targets, all_nodes, posi, p_pos, pnodeid, to_visit)
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end
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queue = to_visit
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end
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end
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local prov_id = minetest.hash_node_position(p_pos)
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elefluid.graphcache.nodes[prov_id] = pnodeid
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targets = ele.helpers.flatten(targets)
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all_nodes = ele.helpers.flatten(all_nodes)
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elefluid.graphcache[pnodeid] = {all_nodes = all_nodes, targets = targets}
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return targets
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end
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-----------------------
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-- Main Transfer ABM --
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-----------------------
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minetest.register_abm({
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nodenames = {"group:elefluid_transport_source"},
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label = "elefluitFluidGraphSource",
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interval = 1,
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chance = 1,
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action = function(pos, node, active_object_count, active_object_count_wider)
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local meta = minetest.get_meta(pos)
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local meta1 = nil
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-- Check if a source is attached to a network.
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-- If that network has been abolished, we will use this node as the network's root this time.
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local netwrkto = meta:get_string("ele_network")
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if netwrkto ~= "" and netwrkto ~= nil then
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local lpos = minetest.string_to_pos(netwrkto)
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if ele.helpers.get_item_group(minetest.get_node(lpos).name, "elefluid_transport_source") then
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return
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else
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elefluid.graphcache[netwrkto] = nil
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end
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meta:set_string("ele_network", "")
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end
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local targets = {}
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local source = minetest.registered_nodes[node.name]
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local positions = {vector.add(minetest.facedir_to_dir(node.param2), pos)}
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local ntwks = {}
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local errored = false
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local nw_branches = 0
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for _,pos1 in pairs(positions) do
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local name = node.name
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local networked = ele.helpers.get_item_group(name, "elefluid_transport_source") or
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ele.helpers.get_item_group(name, "elefluid_transport")
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if networked then
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ntwks[pos1] = true
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nw_branches = nw_branches + 1
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end
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end
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if errored then
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return
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end
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if nw_branches == 0 then
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minetest.forceload_free_block(pos)
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return
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else
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minetest.forceload_block(pos)
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end
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targets = fluid_targets(pos, ntwks)
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-- Begin transfer
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local srcpos = ele.helpers.face_front(pos, node.param2)
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local srcnode = minetest.get_node(srcpos)
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-- Make sure source node is not air
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if not srcnode or srcnode.name == "air" then
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return
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end
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-- Make sure source node is a registered fluid container
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if not ele.helpers.get_item_group(srcnode.name, "ele_fluid_container") then
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return
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end
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local srcmeta = minetest.get_meta(srcpos)
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local srcdef = minetest.registered_nodes[srcnode.name]
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local buffers = srcdef['ele_fluid_buffers']
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if not buffers then return nil end
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local pcapability = ele.helpers.get_node_property(meta, pos, "fluid_pump_capacity")
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-- Transfer some fluid here
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for _,pos in pairs(targets) do
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if not vector.equals(pos, srcpos) then
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local nm = minetest.get_meta(pos)
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local nd = minetest.get_node(pos)
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local nc = minetest.registered_nodes[nd.name]
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local pp = nc['ele_fluid_buffers']
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local changed = false
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if pp ~= nil then
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for name, data in pairs(pp) do
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for bname, buf in pairs(buffers) do
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local target_fluid = nm:get_string(name.."_fluid")
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local buffer_fluid = srcmeta:get_string(bname.."_fluid")
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local target_count = nm:get_int(name.."_fluid_storage")
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local buffer_count = srcmeta:get_int(bname.."_fluid_storage")
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local apply = false
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if (target_fluid == buffer_fluid or target_fluid == "") and buffer_fluid ~= "" and buffer_count > 0 and
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(data.accepts == true or data.accepts == buffer_fluid) then
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local can_transfer_amnt = 0
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if buffer_count > pcapability then
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can_transfer_amnt = pcapability
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else
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can_transfer_amnt = buffer_count
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end
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if can_transfer_amnt > 0 then
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local can_accept_amnt = 0
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if target_count + can_transfer_amnt > data.capacity then
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can_accept_amnt = data.capacity - target_count
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else
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can_accept_amnt = can_transfer_amnt
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end
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if can_accept_amnt > 0 then
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target_count = target_count + can_accept_amnt
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target_fluid = buffer_fluid
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buffer_count = buffer_count - can_accept_amnt
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if buffer_count == 0 then
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buffer_fluid = ""
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end
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apply = true
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end
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end
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end
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if apply then
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nm:set_string(name.."_fluid", target_fluid)
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srcmeta:set_string(bname.."_fluid", buffer_fluid)
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nm:set_int(name.."_fluid_storage", target_count)
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srcmeta:set_string(bname.."_fluid_storage", buffer_count)
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changed = true
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end
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end
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end
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end
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if changed then
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minetest.get_node_timer(srcpos):start(1.0)
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minetest.get_node_timer(pos):start(1.0)
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end
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end
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end
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end,
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})
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local function check_connections(pos)
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local connections = {}
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local positions = {
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{x=pos.x+1, y=pos.y, z=pos.z},
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{x=pos.x-1, y=pos.y, z=pos.z},
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{x=pos.x, y=pos.y+1, z=pos.z},
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{x=pos.x, y=pos.y-1, z=pos.z},
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{x=pos.x, y=pos.y, z=pos.z+1},
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{x=pos.x, y=pos.y, z=pos.z-1}}
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for _,connected_pos in pairs(positions) do
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local name = minetest.get_node(connected_pos).name
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if ele.helpers.get_item_group(name, "elefluid_transport") or
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ele.helpers.get_item_group(name, "ele_fluid_container") or
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ele.helpers.get_item_group(name, "elefluid_transport_source") then
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table.insert(connections, connected_pos)
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end
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end
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return connections
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end
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-- Update networks when a node has been placed or removed
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function elefluid.clear_networks(pos)
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local node = minetest.get_node(pos)
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local meta = minetest.get_meta(pos)
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local name = node.name
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local placed = name ~= "air"
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local positions = check_connections(pos)
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if #positions < 1 then return end
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local dead_end = #positions == 1
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for _,connected_pos in pairs(positions) do
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local net = elefluid.graphcache.nodes[minetest.hash_node_position(connected_pos)] or minetest.pos_to_string(connected_pos)
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if net and elefluid.graphcache[net] then
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if dead_end and placed then
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-- Dead end placed, add it to the network
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-- Get the network
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local node_at = minetest.get_node(positions[1])
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local network_id = elefluid.graphcache.nodes[minetest.hash_node_position(positions[1])] or minetest.pos_to_string(positions[1])
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||||||
|
if not network_id or not elefluid.graphcache[network_id] then
|
||||||
|
-- We're evidently not on a network, nothing to add ourselves to
|
||||||
|
return
|
||||||
|
end
|
||||||
|
local c_pos = minetest.string_to_pos(network_id)
|
||||||
|
local network = elefluid.graphcache[network_id]
|
||||||
|
|
||||||
|
-- Actually add it to the (cached) network
|
||||||
|
-- This is similar to check_node_subp
|
||||||
|
elefluid.graphcache.nodes[minetest.hash_node_position(pos)] = network_id
|
||||||
|
pos.visited = 1
|
||||||
|
|
||||||
|
if ele.helpers.get_item_group(name, "elefluid_transport") then
|
||||||
|
table.insert(network.all_nodes, pos)
|
||||||
|
end
|
||||||
|
|
||||||
|
if ele.helpers.get_item_group(name, "ele_fluid_container") then
|
||||||
|
meta:set_string("ele_network", network_id)
|
||||||
|
table.insert(network.targets, pos)
|
||||||
|
end
|
||||||
|
elseif dead_end and not placed then
|
||||||
|
-- Dead end removed, remove it from the network
|
||||||
|
-- Get the network
|
||||||
|
local network_id = elefluid.graphcache.nodes[minetest.hash_node_position(positions[1])] or minetest.pos_to_string(positions[1])
|
||||||
|
if not network_id or not elefluid.graphcache[network_id] then
|
||||||
|
-- We're evidently not on a network, nothing to remove ourselves from
|
||||||
|
return
|
||||||
|
end
|
||||||
|
local network = elefluid.graphcache[network_id]
|
||||||
|
|
||||||
|
-- The network was deleted.
|
||||||
|
if network_id == minetest.pos_to_string(pos) then
|
||||||
|
for _,v in ipairs(network.all_nodes) do
|
||||||
|
local pos1 = minetest.hash_node_position(v)
|
||||||
|
clear_networks_from_node(v)
|
||||||
|
elefluid.graphcache.nodes[pos1] = nil
|
||||||
|
end
|
||||||
|
elefluid.graphcache[network_id] = nil
|
||||||
|
return
|
||||||
|
end
|
||||||
|
|
||||||
|
-- Search for and remove device
|
||||||
|
elefluid.graphcache.nodes[minetest.hash_node_position(pos)] = nil
|
||||||
|
for tblname,table in pairs(network) do
|
||||||
|
if type(table) == "table" then
|
||||||
|
for devicenum,device in pairs(table) do
|
||||||
|
if vector.equals(device, pos) then
|
||||||
|
table[devicenum] = nil
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
||||||
|
else
|
||||||
|
-- Not a dead end, so the whole network needs to be recalculated
|
||||||
|
for _,v in ipairs(elefluid.graphcache[net].all_nodes) do
|
||||||
|
local pos1 = minetest.hash_node_position(v)
|
||||||
|
clear_networks_from_node(v)
|
||||||
|
elefluid.graphcache.nodes[pos1] = nil
|
||||||
|
end
|
||||||
|
elefluid.graphcache[net] = nil
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
98
elepower_fapi/transfer_node.lua
Normal file
98
elepower_fapi/transfer_node.lua
Normal file
@ -0,0 +1,98 @@
|
|||||||
|
-- Nodes for transferring fluids
|
||||||
|
-- All units are in millibuckets (1 bucket)
|
||||||
|
|
||||||
|
-- This is the node that takes fluid from another node.
|
||||||
|
function elefluid.register_transfer_node(nodename, nodedef)
|
||||||
|
if not nodedef.groups then
|
||||||
|
nodedef.groups = {}
|
||||||
|
end
|
||||||
|
|
||||||
|
nodedef.groups["elefluid_transport_source"] = 1
|
||||||
|
nodedef.paramtype2 = "facedir"
|
||||||
|
|
||||||
|
local orig_construct = nodedef.on_construct
|
||||||
|
nodedef.on_construct = function (pos)
|
||||||
|
local meta = minetest.get_meta(pos)
|
||||||
|
meta:set_int("fluid_store", 0)
|
||||||
|
meta:set_string("fluid", "")
|
||||||
|
|
||||||
|
elefluid.clear_networks(pos)
|
||||||
|
|
||||||
|
if orig_construct then
|
||||||
|
orig_construct(pos)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
nodedef.after_destruct = elefluid.clear_networks
|
||||||
|
|
||||||
|
-- Default transfer capacity
|
||||||
|
if not nodedef.ele_fluid_pump_capacity then
|
||||||
|
nodedef.ele_fluid_pump_capacity = 1000
|
||||||
|
end
|
||||||
|
|
||||||
|
minetest.register_node(nodename, nodedef)
|
||||||
|
end
|
||||||
|
|
||||||
|
-- This is the node that allows for fluid transfer.
|
||||||
|
function elefluid.register_transfer_duct(nodename, nodedef)
|
||||||
|
if not nodedef.groups then
|
||||||
|
nodedef.groups = {}
|
||||||
|
end
|
||||||
|
|
||||||
|
nodedef.groups["elefluid_transport"] = 1
|
||||||
|
|
||||||
|
-- Duct node density
|
||||||
|
local cd = 1/7
|
||||||
|
|
||||||
|
if nodedef.ele_duct_density then
|
||||||
|
cd = nodedef.ele_duct_density
|
||||||
|
end
|
||||||
|
|
||||||
|
-- Default values, including the nodebox
|
||||||
|
local defaults = {
|
||||||
|
drawtype = "nodebox",
|
||||||
|
node_box = {
|
||||||
|
type = "connected",
|
||||||
|
fixed = {
|
||||||
|
{-cd, -cd, -cd, cd, cd, cd}
|
||||||
|
},
|
||||||
|
connect_front = {
|
||||||
|
{-cd, -cd, -1/2, cd, cd, -cd}
|
||||||
|
},
|
||||||
|
connect_back = {
|
||||||
|
{-cd, -cd, cd, cd, cd, 1/2}
|
||||||
|
},
|
||||||
|
connect_top = {
|
||||||
|
{-cd, cd, -cd, cd, 1/2, cd}
|
||||||
|
},
|
||||||
|
connect_bottom = {
|
||||||
|
{-cd, -1/2, -cd, cd, -cd, cd}
|
||||||
|
},
|
||||||
|
connect_left = {
|
||||||
|
{-1/2, -cd, -cd, cd, cd, cd}
|
||||||
|
},
|
||||||
|
connect_right = {
|
||||||
|
{cd, -cd, -cd, 1/2, cd, cd}
|
||||||
|
},
|
||||||
|
},
|
||||||
|
paramtype = "light",
|
||||||
|
connect_sides = { "top", "bottom", "front", "left", "back", "right" },
|
||||||
|
is_ground_content = false,
|
||||||
|
connects_to = {
|
||||||
|
"group:elefluid_transport",
|
||||||
|
"group:elefluid_transport_source",
|
||||||
|
"group:ele_fluid_container",
|
||||||
|
},
|
||||||
|
}
|
||||||
|
|
||||||
|
for k,v in pairs(defaults) do
|
||||||
|
if not nodedef[k] then
|
||||||
|
nodedef[k] = v
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
nodedef.on_construct = elefluid.clear_networks
|
||||||
|
nodedef.after_destruct = elefluid.clear_networks
|
||||||
|
|
||||||
|
minetest.register_node(nodename, nodedef)
|
||||||
|
end
|
@ -87,3 +87,14 @@ function ele.helpers.scan_item_list(item_name)
|
|||||||
|
|
||||||
return found
|
return found
|
||||||
end
|
end
|
||||||
|
|
||||||
|
function ele.helpers.face_front(pos, fd)
|
||||||
|
local back = minetest.facedir_to_dir(fd)
|
||||||
|
local front = ele.helpers.table_copy(back)
|
||||||
|
|
||||||
|
front.x = front.x * -1 + pos.x
|
||||||
|
front.y = front.y * -1 + pos.y
|
||||||
|
front.z = front.z * -1 + pos.z
|
||||||
|
|
||||||
|
return front
|
||||||
|
end
|
||||||
|
@ -364,7 +364,7 @@ function ele.clear_networks(pos)
|
|||||||
|
|
||||||
-- The network was deleted.
|
-- The network was deleted.
|
||||||
if network_id == minetest.pos_to_string(pos) then
|
if network_id == minetest.pos_to_string(pos) then
|
||||||
for _,v in pairs(network.all_nodes) do
|
for _,v in ipairs(network.all_nodes) do
|
||||||
local pos1 = minetest.hash_node_position(v)
|
local pos1 = minetest.hash_node_position(v)
|
||||||
clear_networks_from_node(v)
|
clear_networks_from_node(v)
|
||||||
ele.graphcache.devices[pos1] = nil
|
ele.graphcache.devices[pos1] = nil
|
||||||
@ -386,7 +386,7 @@ function ele.clear_networks(pos)
|
|||||||
end
|
end
|
||||||
else
|
else
|
||||||
-- Not a dead end, so the whole network needs to be recalculated
|
-- Not a dead end, so the whole network needs to be recalculated
|
||||||
for _,v in pairs(ele.graphcache[net].all_nodes) do
|
for _,v in ipairs(ele.graphcache[net].all_nodes) do
|
||||||
local pos1 = minetest.hash_node_position(v)
|
local pos1 = minetest.hash_node_position(v)
|
||||||
clear_networks_from_node(v)
|
clear_networks_from_node(v)
|
||||||
ele.graphcache.devices[pos1] = nil
|
ele.graphcache.devices[pos1] = nil
|
||||||
|
Loading…
Reference in New Issue
Block a user