| commit | author | age | ||
| ee0765 | 1 | |
| S | 2 | technic.cables = {} |
| 3 | ||
| 4 | ||
| 5 | function technic.register_cable(tier, size) | |
| 6 | local ltier = string.lower(tier) | |
| 7 | ||
| 8 | for x1 = 0, 1 do | |
| 9 | for x2 = 0, 1 do | |
| 10 | for y1 = 0, 1 do | |
| 11 | for y2 = 0, 1 do | |
| 12 | for z1 = 0, 1 do | |
| 13 | for z2 = 0, 1 do | |
| 14 | local id = technic.get_cable_id({x1, x2, y1, y2, z1, z2}) | |
| 15 | ||
| 16 | technic.cables["technic:"..ltier.."_cable"..id] = tier | |
| 17 | ||
| 18 | local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2} | |
| 19 | if id ~= 0 then | |
| 20 | groups.not_in_creative_inventory = 1 | |
| 21 | end | |
| 22 | ||
| 23 | minetest.register_node("technic:"..ltier.."_cable"..id, { | |
| 24 | description = tier.." Cable", | |
| 25 | tiles = {"technic_"..ltier.."_cable.png"}, | |
| 26 | inventory_image = "technic_"..ltier.."_cable_wield.png", | |
| 27 | wield_image = "technic_"..ltier.."_cable_wield.png", | |
| 28 | groups = groups, | |
| 29 | sounds = default.node_sound_wood_defaults(), | |
| 30 | drop = "technic:"..ltier.."_cable0", | |
| 31 | paramtype = "light", | |
| 32 | sunlight_propagates = true, | |
| 33 | drawtype = "nodebox", | |
| 34 | node_box = { | |
| 35 | type = "fixed", | |
| 36 | fixed = technic.gen_cable_nodebox(x1, y1, z1, x2, y2, z2, size) | |
| 37 | }, | |
| 38 | after_place_node = function(pos) | |
| 39 | local node = minetest.get_node(pos) | |
| 40 | technic.update_cables(pos, technic.get_cable_tier(node.name)) | |
| 41 | end, | |
| 42 | after_dig_node = function(pos, oldnode) | |
| 43 | local tier = technic.get_cable_tier(oldnode.name) | |
| 44 | technic.update_cables(pos, tier, true) | |
| 45 | end | |
| 46 | }) | |
| 47 | end | |
| 48 | end | |
| 49 | end | |
| 50 | end | |
| 51 | end | |
| 52 | end | |
| 53 | end | |
| 54 | ||
| 55 | ||
| 56 | minetest.register_on_placenode(function(pos, node) | |
| 57 | for tier, machine_list in pairs(technic.machines) do | |
| 58 | for machine_name, _ in pairs(machine_list) do | |
| 59 | if node.name == machine_name then | |
| 60 | technic.update_cables(pos, tier, true) | |
| 61 | end | |
| 62 | end | |
| 63 | end | |
| 64 | end) | |
| 65 | ||
| 66 | ||
| 67 | minetest.register_on_dignode(function(pos, node) | |
| 68 | for tier, machine_list in pairs(technic.machines) do | |
| 69 | for machine_name, _ in pairs(machine_list) do | |
| 70 | if node.name == machine_name then | |
| 71 | technic.update_cables(pos, tier, true) | |
| 72 | end | |
| 73 | end | |
| 74 | end | |
| 75 | end) | |
| 76 | ||
| 77 | ||
| 78 | function technic.get_cable_id(links) | |
| 79 | return (links[6] * 1) + (links[5] * 2) | |
| 80 | + (links[4] * 4) + (links[3] * 8) | |
| 81 | + (links[2] * 16) + (links[1] * 32) | |
| 82 | end | |
| 83 | ||
| 84 | function technic.update_cables(pos, tier, no_set, secondrun) | |
| 85 | local link_positions = { | |
| 86 | {x=pos.x+1, y=pos.y, z=pos.z}, | |
| 87 | {x=pos.x-1, y=pos.y, z=pos.z}, | |
| 88 | {x=pos.x, y=pos.y+1, z=pos.z}, | |
| 89 | {x=pos.x, y=pos.y-1, z=pos.z}, | |
| 90 | {x=pos.x, y=pos.y, z=pos.z+1}, | |
| 91 | {x=pos.x, y=pos.y, z=pos.z-1}} | |
| 92 | ||
| 93 | local links = {0, 0, 0, 0, 0, 0} | |
| 94 | ||
| 95 | for i, link_pos in pairs(link_positions) do | |
| 96 | local connect_type = technic.cables_should_connect(pos, link_pos, tier) | |
| 97 | if connect_type then | |
| 98 | links[i] = 1 | |
| 99 | -- Have cables next to us update theirselves, | |
| 100 | -- but only once. (We don't want to update the entire | |
| 101 | -- network or start an infinite loop of updates) | |
| 102 | if not secondrun and connect_type == "cable" then | |
| 103 | technic.update_cables(link_pos, tier, false, true) | |
| 104 | end | |
| 105 | end | |
| 106 | end | |
| 107 | -- We don't want to set ourselves if we have been removed or we are | |
| 108 | -- updating a machine | |
| 109 | if not no_set then | |
| 110 | minetest.set_node(pos, {name="technic:"..string.lower(tier) | |
| 111 | .."_cable"..technic.get_cable_id(links)}) | |
| 112 | ||
| 113 | end | |
| 114 | end | |
| 115 | ||
| 116 | ||
| 117 | function technic.is_tier_cable(name, tier) | |
| 118 | return technic.cables[name] and technic.cables[name] == tier | |
| 119 | end | |
| 120 | ||
| 121 | ||
| 122 | function technic.get_cable_tier(name) | |
| 123 | return technic.cables[name] | |
| 124 | end | |
| 125 | ||
| 126 | ||
| 127 | function technic.cables_should_connect(pos1, pos2, tier) | |
| 128 | local name = minetest.get_node(pos2).name | |
| 129 | ||
| 130 | if technic.is_tier_cable(name, tier) then | |
| 131 | return "cable" | |
| 132 | elseif technic.machines[tier][name] then | |
| 133 | return "machine" | |
| 134 | end | |
| 135 | return false | |
| 136 | end | |
| 137 | ||
| 138 | ||
| 139 | function technic.gen_cable_nodebox(x1, y1, z1, x2, y2, z2, size) | |
| 140 | -- Nodeboxes | |
| 141 | local box_center = {-size, -size, -size, size, size, size} | |
| 142 | local box_y1 = {-size, -size, -size, size, 0.5, size} -- y+ | |
| 143 | local box_x1 = {-size, -size, -size, 0.5, size, size} -- x+ | |
| 144 | local box_z1 = {-size, -size, size, size, size, 0.5} -- z+ | |
| 145 | local box_z2 = {-size, -size, -0.5, size, size, size} -- z- | |
| 146 | local box_y2 = {-size, -0.5, -size, size, size, size} -- y- | |
| 147 | local box_x2 = {-0.5, -size, -size, size, size, size} -- x- | |
| 148 | ||
| 149 | local box = {box_center} | |
| 150 | if x1 == 1 then | |
| 151 | table.insert(box, box_x1) | |
| 152 | end | |
| 153 | if y1 == 1 then | |
| 154 | table.insert(box, box_y1) | |
| 155 | end | |
| 156 | if z1 == 1 then | |
| 157 | table.insert(box, box_z1) | |
| 158 | end | |
| 159 | if x2 == 1 then | |
| 160 | table.insert(box, box_x2) | |
| 161 | end | |
| 162 | if y2 == 1 then | |
| 163 | table.insert(box, box_y2) | |
| 164 | end | |
| 165 | if z2 == 1 then | |
| 166 | table.insert(box, box_z2) | |
| 167 | end | |
| 168 | return box | |
| 169 | end | |
| 170 | ||
