enchanting.lua

   1 local enchanting = {}
   2 screwdriver = screwdriver or {}
   3
   4 -- Cost in Mese crystal(s) for enchanting.
   5 local mese_cost = 1
   6
   7 -- Force of the enchantments.
   8 enchanting.uses     = 1.2  -- Durability
   9 enchanting.times    = 0.1  -- Efficiency
  10 enchanting.damages  = 1    -- Sharpness
  11 enchanting.strength = 1.2  -- Armor strength (3d_armor only)
  12 enchanting.speed    = 0.2  -- Player speed (3d_armor only)
  13 enchanting.jump     = 0.2  -- Player jumping (3d_armor only)
  14
  15 function enchanting.formspec(pos, num)
  16         local meta = minetest.get_meta(pos)
  17         local formspec = [[ size[9,9;]
  18                         bgcolor[#080808BB;true]
  19                         background[0,0;9,9;ench_ui.png]
  20                         list[context;tool;0.9,2.9;1,1;]
  21                         list[context;mese;2,2.9;1,1;]
  22                         list[current_player;main;0.5,4.5;8,4;]
  23                         image[2,2.9;1,1;mese_layout.png]
  24                         tooltip[sharp;Your weapon inflicts more damages]
  25                         tooltip[durable;Your tool last longer]
  26                         tooltip[fast;Your tool digs faster]
  27                         tooltip[strong;Your armor is more resistant]
  28                         tooltip[speed;Your speed is increased] ]]
  29                         ..default.gui_slots..default.get_hotbar_bg(0.5,4.5)
  30
  31         local enchant_buttons = {
  32                 [[ image_button[3.9,0.85;4,0.92;bg_btn.png;fast;Efficiency]
  33                 image_button[3.9,1.77;4,1.12;bg_btn.png;durable;Durability] ]],
  34                 "image_button[3.9,0.85;4,0.92;bg_btn.png;strong;Strength]",
  35                 "image_button[3.9,2.9;4,0.92;bg_btn.png;sharp;Sharpness]",
  36                 [[ image_button[3.9,0.85;4,0.92;bg_btn.png;strong;Strength]
  37                 image_button[3.9,1.77;4,1.12;bg_btn.png;speed;Speed] ]]
  38         }
  39
  40         formspec = formspec..(enchant_buttons[num] or "")
  41         meta:set_string("formspec", formspec)
  42 end
  43
  44 function enchanting.on_put(pos, listname, _, stack)
  45         if listname == "tool" then
  46                 local stackname = stack:get_name()
  47                 local tool_groups = {
  48                         "axe, pick, shovel",
  49                         "chestplate, leggings, helmet",
  50                         "sword", "boots"
  51                 }
  52
  53                 for idx, tools in pairs(tool_groups) do
  54                         if tools:find(stackname:match(":(%w+)")) then
  55                                 enchanting.formspec(pos, idx)
  56                         end
  57                 end
  58         end
  59 end
  60
  61 function enchanting.fields(pos, _, fields, sender)
  62         if not next(fields) or fields.quit then
  63                 return
  64         end
  65         local inv = minetest.get_meta(pos):get_inventory()
  66         local tool = inv:get_stack("tool", 1)
  67         local mese = inv:get_stack("mese", 1)
  68         local orig_wear = tool:get_wear()
  69         local mod, name = tool:get_name():match("(.*):(.*)")
  70         local enchanted_tool = (mod or "")..":enchanted_"..(name or "").."_"..next(fields)
  71
  72         if mese:get_count() >= mese_cost and minetest.registered_tools[enchanted_tool] then
  73                 minetest.sound_play("xdecor_enchanting", {to_player=sender:get_player_name(), gain=0.8})
  74                 tool:replace(enchanted_tool)
  75                 tool:add_wear(orig_wear)
  76                 mese:take_item(mese_cost)
  77                 inv:set_stack("mese", 1, mese)
  78                 inv:set_stack("tool", 1, tool)
  79         end
  80 end
  81
  82 function enchanting.dig(pos)
  83         local inv = minetest.get_meta(pos):get_inventory()
  84         return inv:is_empty("tool") and inv:is_empty("mese")
  85 end
  86
  87 local function allowed(tool)
  88         if not tool then
  89                 return false
  90         end
  91         for item in pairs(minetest.registered_tools) do
  92                 if item:find("enchanted_"..tool) then return true end
  93         end
  94         return false
  95 end
  96
  97 function enchanting.put(_, listname, _, stack)
  98         local item = stack:get_name():match("[^:]+$")
  99         if listname == "mese" and item == "mese_crystal" then
 100                 return stack:get_count()
 101         elseif listname == "tool" and allowed(item) then
 102                 return 1
 103         end
 104         return 0
 105 end
 106
 107 function enchanting.on_take(pos, listname)
 108         if listname == "tool" then enchanting.formspec(pos, nil) end
 109 end
 110
 111 function enchanting.construct(pos)
 112         local meta = minetest.get_meta(pos)
 113         meta:set_string("infotext", "Enchantment Table")
 114         enchanting.formspec(pos, nil)
 115
 116         local inv = meta:get_inventory()
 117         inv:set_size("tool", 1)
 118         inv:set_size("mese", 1)
 119
 120         minetest.add_entity({x=pos.x, y=pos.y+0.85, z=pos.z}, "xdecor:book_open")
 121         local timer = minetest.get_node_timer(pos)
 122         timer:start(5.0)
 123 end
 124
 125 function enchanting.destruct(pos)
 126         for _, obj in pairs(minetest.get_objects_inside_radius(pos, 0.9)) do
 127                 if obj and obj:get_luaentity() and
 128                                 obj:get_luaentity().name == "xdecor:book_open" then
 129                         obj:remove() break
 130                 end
 131         end
 132 end
 133
 134 function enchanting.timer(pos)
 135         local num = #minetest.get_objects_inside_radius(pos, 0.9)
 136
 137         if num == 0 then
 138                 minetest.add_entity({x=pos.x, y=pos.y+0.85, z=pos.z}, "xdecor:book_open")
 139         end
 140
 141         local minp = {x=pos.x-2, y=pos.y, z=pos.z-2}
 142         local maxp = {x=pos.x+2, y=pos.y+1, z=pos.z+2}
 143         local bookshelves = minetest.find_nodes_in_area(minp, maxp, "default:bookshelf")
 144         if #bookshelves == 0 then return true end
 145
 146         local bookshelf_pos = bookshelves[math.random(1, #bookshelves)]
 147         local x = pos.x - bookshelf_pos.x
 148         local y = bookshelf_pos.y - pos.y
 149         local z = pos.z - bookshelf_pos.z
 150
 151         if tostring(x..z):find(2) then
 152                 minetest.add_particle({
 153                         pos = bookshelf_pos,
 154                         velocity = {x=x, y=2-y, z=z},
 155                         acceleration = {x=0, y=-2.2, z=0},
 156                         expirationtime = 1,
 157                         size = 2,
 158                         texture = "xdecor_glyph"..math.random(1,18)..".png"
 159                 })
 160         end
 161         return true
 162 end
 163
 164 xdecor.register("enchantment_table", {
 165         description = "Enchantment Table",
 166         tiles = {"xdecor_enchantment_top.png",  "xdecor_enchantment_bottom.png",
 167                  "xdecor_enchantment_side.png", "xdecor_enchantment_side.png",
 168                  "xdecor_enchantment_side.png", "xdecor_enchantment_side.png"},
 169         groups = {cracky=1, level=1},
 170         sounds = default.node_sound_stone_defaults(),
 171         on_rotate = screwdriver.rotate_simple,
 172         can_dig = enchanting.dig,
 173         on_timer = enchanting.timer,
 174         on_construct = enchanting.construct,
 175         on_destruct = enchanting.destruct,
 176         on_receive_fields = enchanting.fields,
 177         on_metadata_inventory_put = enchanting.on_put,
 178         on_metadata_inventory_take = enchanting.on_take,
 179         allow_metadata_inventory_put = enchanting.put,
 180         allow_metadata_inventory_move = function() return 0 end
 181 })
 182
 183 minetest.register_entity("xdecor:book_open", {
 184         visual = "sprite",
 185         visual_size = {x=0.75, y=0.75},
 186         collisionbox = {0},
 187         physical = false,
 188         textures = {"xdecor_book_open.png"},
 189         on_activate = function(self)
 190                 local pos = self.object:getpos()
 191                 local pos_under = {x=pos.x, y=pos.y-1, z=pos.z}
 192
 193                 if minetest.get_node(pos_under).name ~= "xdecor:enchantment_table" then
 194                         self.object:remove()
 195                 end
 196         end
 197 })
 198
 199 local function cap(S) return S:gsub("^%l", string.upper) end
 200
 201 function enchanting:register_tools(mod, def)
 202         for tool in pairs(def.tools) do
 203         for material in def.materials:gmatch("[%w_]+") do
 204         for enchant in def.tools[tool].enchants:gmatch("[%w_]+") do
 205                 local original_tool = minetest.registered_tools[mod..":"..tool.."_"..material]
 206                 if not original_tool then break end
 207
 208                 if original_tool.tool_capabilities then
 209                         local original_damage_groups = original_tool.tool_capabilities.damage_groups
 210                         local original_groupcaps = original_tool.tool_capabilities.groupcaps
 211                         local groupcaps = table.copy(original_groupcaps)
 212                         local fleshy = original_damage_groups.fleshy
 213                         local full_punch_interval = original_tool.tool_capabilities.full_punch_interval
 214                         local max_drop_level = original_tool.tool_capabilities.max_drop_level
 215                         local group = next(original_groupcaps)
 216
 217                         if enchant == "durable" then
 218                                 groupcaps[group].uses = math.ceil(original_groupcaps[group].uses * enchanting.uses)
 219                         elseif enchant == "fast" then
 220                                 for i, time in pairs(original_groupcaps[group].times) do
 221                                         groupcaps[group].times[i] = time - enchanting.times
 222                                 end
 223                         elseif enchant == "sharp" then
 224                                 fleshy = fleshy + enchanting.damages
 225                         end
 226
 227                         minetest.register_tool(":"..mod..":enchanted_"..tool.."_"..material.."_"..enchant, {
 228                                 description = "Enchanted "..cap(material).." "..cap(tool).." ("..cap(enchant)..")",
 229                                 inventory_image = original_tool.inventory_image.."^[colorize:violet:50",
 230                                 wield_image = original_tool.wield_image,
 231                                 groups = {not_in_creative_inventory=1},
 232                                 tool_capabilities = {
 233                                         groupcaps = groupcaps, damage_groups = {fleshy = fleshy},
 234                                         full_punch_interval = full_punch_interval, max_drop_level = max_drop_level
 235                                 }
 236                         })
 237                 end
 238
 239                 if mod == "3d_armor" then
 240                         local original_armor_groups = original_tool.groups
 241                         local armorcaps = {}
 242                         armorcaps.not_in_creative_inventory = 1
 243
 244                         for armor_group, value in pairs(original_armor_groups) do
 245                                 if enchant == "strong" then
 246                                         armorcaps[armor_group] = math.ceil(value * enchanting.strength)
 247                                 elseif enchant == "speed" then
 248                                         armorcaps[armor_group] = value
 249                                         armorcaps.physics_speed = enchanting.speed
 250                                         armorcaps.physics_jump = enchanting.jump
 251                                 end
 252                         end
 253
 254                         minetest.register_tool(":"..mod..":enchanted_"..tool.."_"..material.."_"..enchant, {
 255                                 description = "Enchanted "..cap(material).." "..cap(tool).." ("..cap(enchant)..")",
 256                                 inventory_image = original_tool.inventory_image,
 257                                 texture = "3d_armor_"..tool.."_"..material,
 258                                 wield_image = original_tool.wield_image,
 259                                 groups = armorcaps,
 260                                 wear = 0
 261                         })
 262                 end
 263         end
 264         end
 265         end
 266 end
 267
 268 enchanting:register_tools("default", {
 269         materials = "steel, bronze, mese, diamond",
 270         tools = {
 271                 axe    = {enchants = "durable, fast"},
 272                 pick   = {enchants = "durable, fast"},
 273                 shovel = {enchants = "durable, fast"},
 274                 sword  = {enchants = "sharp"}
 275         }
 276 })
 277
 278 enchanting:register_tools("3d_armor", {
 279         materials = "steel, bronze, gold, diamond",
 280         tools = {
 281                 boots      = {enchants = "strong, speed"},
 282                 chestplate = {enchants = "strong"},
 283                 helmet     = {enchants = "strong"},
 284                 leggings   = {enchants = "strong"}
 285         }
 286 })
 287