| commit | author | age | ||
| ee0765 | 1 | |
| be2f30 | 2 | local S = technic.getter |
| ee0765 | 3 | |
| 83c649 | 4 | local cable_tier = {} |
| S | 5 | |
| 6 | function technic.is_tier_cable(name, tier) | |
| 7 | return cable_tier[name] == tier | |
| 8 | end | |
| 9 | ||
| 10 | function technic.get_cable_tier(name) | |
| 11 | return cable_tier[name] | |
| 12 | end | |
| 13 | ||
| c4acb7 | 14 | local function check_connections(pos) |
| CK | 15 | -- Build a table of all machines |
| 16 | local machines = {} | |
| 17 | for tier,list in pairs(technic.machines) do | |
| 18 | for k,v in pairs(list) do | |
| 19 | machines[k] = v | |
| 20 | end | |
| 21 | end | |
| 22 | local connections = {} | |
| d3f40e | 23 | local positions = { |
| CK | 24 | {x=pos.x+1, y=pos.y, z=pos.z}, |
| 25 | {x=pos.x-1, y=pos.y, z=pos.z}, | |
| 26 | {x=pos.x, y=pos.y+1, z=pos.z}, | |
| 27 | {x=pos.x, y=pos.y-1, z=pos.z}, | |
| 28 | {x=pos.x, y=pos.y, z=pos.z+1}, | |
| 29 | {x=pos.x, y=pos.y, z=pos.z-1}} | |
| 30 | for _,connected_pos in pairs(positions) do | |
| c4acb7 | 31 | local name = minetest.get_node(connected_pos).name |
| CK | 32 | if machines[name] or technic.get_cable_tier(name) then |
| 33 | table.insert(connections,connected_pos) | |
| 34 | end | |
| 35 | end | |
| 36 | return connections | |
| 37 | end | |
| 38 | ||
| 39 | local function clear_networks(pos) | |
| 40 | local node = minetest.get_node(pos) | |
| 41 | local meta = minetest.get_meta(pos) | |
| 42 | local placed = node.name ~= "air" | |
| 43 | local positions = check_connections(pos) | |
| 44 | if #positions < 1 then return end | |
| 45 | local dead_end = #positions == 1 | |
| 46 | for _,connected_pos in pairs(positions) do | |
| 088eea | 47 | local net = technic.cables[minetest.hash_node_position(connected_pos)] |
| CK | 48 | if net and technic.networks[net] then |
| c4acb7 | 49 | if dead_end and placed then |
| CK | 50 | -- Dead end placed, add it to the network |
| 51 | -- Get the network | |
| 52 | local network_id = technic.cables[minetest.hash_node_position(positions[1])] | |
| 53 | if not network_id then | |
| 54 | -- We're evidently not on a network, nothing to add ourselves to | |
| 55 | return | |
| 56 | end | |
| 57 | local sw_pos = minetest.get_position_from_hash(network_id) | |
| 58 | sw_pos.y = sw_pos.y + 1 | |
| 59 | local network = technic.networks[network_id] | |
| 60 | local tier = network.tier | |
| 61 | ||
| 62 | -- Actually add it to the (cached) network | |
| 63 | -- This is similar to check_node_subp | |
| 64 | technic.cables[minetest.hash_node_position(pos)] = network_id | |
| 65 | pos.visited = 1 | |
| 66 | if technic.is_tier_cable(name, tier) then | |
| 67 | table.insert(network.all_nodes,pos) | |
| 68 | elseif technic.machines[tier][node.name] then | |
| 69 | meta:set_string(tier.."_network",minetest.pos_to_string(sw_pos)) | |
| 70 | if technic.machines[tier][node.name] == technic.producer then | |
| 71 | table.insert(network.PR_nodes,pos) | |
| 72 | elseif technic.machines[tier][node.name] == technic.receiver then | |
| 73 | table.insert(network.RE_nodes,pos) | |
| 74 | elseif technic.machines[tier][node.name] == technic.producer_receiver then | |
| 75 | table.insert(network.PR_nodes,pos) | |
| 76 | table.insert(network.RE_nodes,pos) | |
| 77 | elseif technic.machines[tier][node.name] == "SPECIAL" and | |
| 78 | (pos.x ~= sw_pos.x or pos.y ~= sw_pos.y or pos.z ~= sw_pos.z) and | |
| 79 | from_below then | |
| 80 | table.insert(network.SP_nodes,pos) | |
| 81 | elseif technic.machines[tier][node.name] == technic.battery then | |
| 82 | table.insert(network.BA_nodes,pos) | |
| 83 | end | |
| 84 | end | |
| 85 | elseif dead_end and not placed then | |
| 86 | -- Dead end removed, remove it from the network | |
| 87 | -- Get the network | |
| 88 | local network_id = technic.cables[minetest.hash_node_position(positions[1])] | |
| 89 | if not network_id then | |
| 90 | -- We're evidently not on a network, nothing to add ourselves to | |
| 91 | return | |
| 92 | end | |
| 93 | local network = technic.networks[network_id] | |
| 94 | ||
| 95 | -- Search for and remove machine | |
| 96 | technic.cables[minetest.hash_node_position(pos)] = nil | |
| 97 | for tblname,table in pairs(network) do | |
| 98 | if tblname ~= "tier" then | |
| 99 | for machinenum,machine in pairs(table) do | |
| 100 | if machine.x == pos.x | |
| 101 | and machine.y == pos.y | |
| 102 | and machine.z == pos.z then | |
| 103 | table[machinenum] = nil | |
| 104 | end | |
| 105 | end | |
| 106 | end | |
| 107 | end | |
| 108 | else | |
| 109 | -- Not a dead end, so the whole network needs to be recalculated | |
| 110 | for _,v in pairs(technic.networks[net].all_nodes) do | |
| 111 | local pos1 = minetest.hash_node_position(v) | |
| 112 | technic.cables[pos1] = nil | |
| 113 | end | |
| 114 | technic.networks[net] = nil | |
| 088eea | 115 | end |
| d3f40e | 116 | end |
| CK | 117 | end |
| 83c649 | 118 | end |
| ee0765 | 119 | |
| S | 120 | function technic.register_cable(tier, size) |
| 121 | local ltier = string.lower(tier) | |
| 83c649 | 122 | cable_tier["technic:"..ltier.."_cable"] = tier |
| ee0765 | 123 | |
| 83c649 | 124 | local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2} |
| ee0765 | 125 | |
| 83c649 | 126 | local node_box = { |
| S | 127 | type = "connected", |
| 128 | fixed = {-size, -size, -size, size, size, size}, | |
| 129 | connect_top = {-size, -size, -size, size, 0.5, size}, -- y+ | |
| 130 | connect_bottom = {-size, -0.5, -size, size, size, size}, -- y- | |
| 131 | connect_front = {-size, -size, -0.5, size, size, size}, -- z- | |
| 132 | connect_back = {-size, -size, size, size, size, 0.5 }, -- z+ | |
| 133 | connect_left = {-0.5, -size, -size, size, size, size}, -- x- | |
| 134 | connect_right = {-size, -size, -size, 0.5, size, size}, -- x+ | |
| 135 | } | |
| ee0765 | 136 | |
| 83c649 | 137 | minetest.register_node("technic:"..ltier.."_cable", { |
| S | 138 | description = S("%s Cable"):format(tier), |
| 139 | tiles = {"technic_"..ltier.."_cable.png"}, | |
| 140 | inventory_image = "technic_"..ltier.."_cable_wield.png", | |
| 141 | wield_image = "technic_"..ltier.."_cable_wield.png", | |
| 142 | groups = groups, | |
| 143 | sounds = default.node_sound_wood_defaults(), | |
| 144 | drop = "technic:"..ltier.."_cable", | |
| 145 | paramtype = "light", | |
| 146 | sunlight_propagates = true, | |
| 147 | drawtype = "nodebox", | |
| 148 | node_box = node_box, | |
| 149 | connects_to = {"technic:"..ltier.."_cable", | |
| 150 | "group:technic_"..ltier, "group:technic_all_tiers"}, | |
| 151 | on_construct = clear_networks, | |
| 152 | on_destruct = clear_networks, | |
| 153 | }) | |
| ee0765 | 154 | end |
| S | 155 | |
| 83c649 | 156 | |
| S | 157 | local function clear_nets_if_machine(pos, node) |
| ee0765 | 158 | for tier, machine_list in pairs(technic.machines) do |
| 18cae7 | 159 | if machine_list[node.name] ~= nil then |
| d3f40e | 160 | return clear_networks(pos) |
| ee0765 | 161 | end |
| S | 162 | end |
| 163 | end | |
| 164 | ||
| 83c649 | 165 | minetest.register_on_placenode(clear_nets_if_machine) |
| S | 166 | minetest.register_on_dignode(clear_nets_if_machine) |
| ee0765 | 167 | |
