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 fields.quit then return end
  63         local inv = minetest.get_meta(pos):get_inventory()
  64         local tool = inv:get_stack("tool", 1)
  65         local mese = inv:get_stack("mese", 1)
  66         local orig_wear = tool:get_wear()
  67         local mod, name = tool:get_name():match("(.*):(.*)")
  68         local enchanted_tool = (mod or "")..":enchanted_"..(name or "").."_"..next(fields)
  69
  70         if mese:get_count() >= mese_cost and minetest.registered_tools[enchanted_tool] then
  71                 minetest.sound_play("xdecor_enchanting", {to_player=sender:get_player_name(), gain=0.8})
  72                 tool:replace(enchanted_tool)
  73                 tool:add_wear(orig_wear)
  74                 mese:take_item(mese_cost)
  75                 inv:set_stack("mese", 1, mese)
  76                 inv:set_stack("tool", 1, tool)
  77         end
  78 end
  79
  80 function enchanting.dig(pos)
  81         local inv = minetest.get_meta(pos):get_inventory()
  82         return inv:is_empty("tool") and inv:is_empty("mese")
  83 end
  84
  85 local function allowed(tool)
  86         for item in pairs(minetest.registered_tools) do
  87                 if item:find("enchanted_"..tool) then return true end
  88         end
  89         return false
  90 end
  91
  92 function enchanting.put(_, listname, _, stack)
  93         local item = stack:get_name():match("[^:]+$")
  94         if listname == "mese" and item == "mese_crystal" then
  95                 return stack:get_count()
  96         elseif listname == "tool" and allowed(item) then
  97                 return 1
  98         end
  99         return 0
 100 end
 101
 102 function enchanting.on_take(pos, listname)
 103         if listname == "tool" then enchanting.formspec(pos, nil) end
 104 end
 105
 106 function enchanting.construct(pos)
 107         local meta = minetest.get_meta(pos)
 108         meta:set_string("infotext", "Enchantment Table")
 109         enchanting.formspec(pos, nil)
 110
 111         local inv = meta:get_inventory()
 112         inv:set_size("tool", 1)
 113         inv:set_size("mese", 1)
 114
 115         minetest.add_entity({x=pos.x, y=pos.y+0.85, z=pos.z}, "xdecor:book_open")
 116         local timer = minetest.get_node_timer(pos)
 117         timer:start(5.0)
 118 end
 119
 120 function enchanting.destruct(pos)
 121         for _, obj in pairs(minetest.get_objects_inside_radius(pos, 0.9)) do
 122                 if obj and obj:get_luaentity() and
 123                                 obj:get_luaentity().name == "xdecor:book_open" then
 124                         obj:remove() break
 125                 end
 126         end
 127 end
 128
 129 function enchanting.timer(pos)
 130         local num = #minetest.get_objects_inside_radius(pos, 0.9)
 131
 132         if num == 0 then
 133                 minetest.add_entity({x=pos.x, y=pos.y+0.85, z=pos.z}, "xdecor:book_open")
 134         end
 135
 136         local minp = {x=pos.x-2, y=pos.y, z=pos.z-2}
 137         local maxp = {x=pos.x+2, y=pos.y+1, z=pos.z+2}
 138         local bookshelves = minetest.find_nodes_in_area(minp, maxp, "default:bookshelf")
 139         if #bookshelves == 0 then return true end
 140
 141         local bookshelf_pos = bookshelves[math.random(1, #bookshelves)]
 142         local x = pos.x - bookshelf_pos.x
 143         local y = bookshelf_pos.y - pos.y
 144         local z = pos.z - bookshelf_pos.z
 145
 146         if tostring(x..z):find(2) then
 147                 minetest.add_particle({
 148                         pos = bookshelf_pos,
 149                         velocity = {x=x, y=2-y, z=z},
 150                         acceleration = {x=0, y=-2.2, z=0},
 151                         expirationtime = 1,
 152                         size = 2,
 153                         texture = "xdecor_glyph"..math.random(1,18)..".png"
 154                 })
 155         end
 156         return true
 157 end
 158
 159 xdecor.register("enchantment_table", {
 160         description = "Enchantment Table",
 161         tiles = {"xdecor_enchantment_top.png",  "xdecor_enchantment_bottom.png",
 162                  "xdecor_enchantment_side.png", "xdecor_enchantment_side.png",
 163                  "xdecor_enchantment_side.png", "xdecor_enchantment_side.png"},
 164         groups = {cracky=1, level=1},
 165         sounds = default.node_sound_stone_defaults(),
 166         on_rotate = screwdriver.rotate_simple,
 167         can_dig = enchanting.dig,
 168         on_timer = enchanting.timer,
 169         on_construct = enchanting.construct,
 170         on_destruct = enchanting.destruct,
 171         on_receive_fields = enchanting.fields,
 172         on_metadata_inventory_put = enchanting.on_put,
 173         on_metadata_inventory_take = enchanting.on_take,
 174         allow_metadata_inventory_put = enchanting.put,
 175         allow_metadata_inventory_move = function() return 0 end
 176 })
 177
 178 minetest.register_entity("xdecor:book_open", {
 179         visual = "sprite",
 180         visual_size = {x=0.75, y=0.75},
 181         collisionbox = {0},
 182         physical = false,
 183         textures = {"xdecor_book_open.png"},
 184         on_activate = function(self)
 185                 local pos = self.object:getpos()
 186                 local pos_under = {x=pos.x, y=pos.y-1, z=pos.z}
 187
 188                 if minetest.get_node(pos_under).name ~= "xdecor:enchantment_table" then
 189                         self.object:remove()
 190                 end
 191         end
 192 })
 193
 194 local function cap(S) return S:gsub("^%l", string.upper) end
 195
 196 function enchanting:register_tools(mod, def)
 197         for tool in pairs(def.tools) do
 198         for material in def.materials:gmatch("[%w_]+") do
 199         for enchant in def.tools[tool].enchants:gmatch("[%w_]+") do
 200                 local original_tool = minetest.registered_tools[mod..":"..tool.."_"..material]
 201                 if not original_tool then break end
 202
 203                 if original_tool.tool_capabilities then
 204                         local original_damage_groups = original_tool.tool_capabilities.damage_groups
 205                         local original_groupcaps = original_tool.tool_capabilities.groupcaps
 206                         local groupcaps = table.copy(original_groupcaps)
 207                         local fleshy = original_damage_groups.fleshy
 208                         local full_punch_interval = original_tool.tool_capabilities.full_punch_interval
 209                         local max_drop_level = original_tool.tool_capabilities.max_drop_level
 210                         local group = next(original_groupcaps)
 211
 212                         if enchant == "durable" then
 213                                 groupcaps[group].uses = math.ceil(original_groupcaps[group].uses * enchanting.uses)
 214                         elseif enchant == "fast" then
 215                                 for i, time in pairs(original_groupcaps[group].times) do
 216                                         groupcaps[group].times[i] = time - enchanting.times
 217                                 end
 218                         elseif enchant == "sharp" then
 219                                 fleshy = fleshy + enchanting.damages
 220                         end
 221
 222                         minetest.register_tool(":"..mod..":enchanted_"..tool.."_"..material.."_"..enchant, {
 223                                 description = "Enchanted "..cap(material).." "..cap(tool).." ("..cap(enchant)..")",
 224                                 inventory_image = original_tool.inventory_image.."^[colorize:violet:50",
 225                                 wield_image = original_tool.wield_image,
 226                                 groups = {not_in_creative_inventory=1},
 227                                 tool_capabilities = {
 228                                         groupcaps = groupcaps, damage_groups = {fleshy = fleshy},
 229                                         full_punch_interval = full_punch_interval, max_drop_level = max_drop_level
 230                                 }
 231                         })
 232                 end
 233
 234                 if mod == "3d_armor" then
 235                         local original_armor_groups = original_tool.groups
 236                         local armorcaps = {}
 237                         armorcaps.not_in_creative_inventory = 1
 238
 239                         for armor_group, value in pairs(original_armor_groups) do
 240                                 if enchant == "strong" then
 241                                         armorcaps[armor_group] = math.ceil(value * enchanting.strength)
 242                                 elseif enchant == "speed" then
 243                                         armorcaps[armor_group] = value
 244                                         armorcaps.physics_speed = enchanting.speed
 245                                         armorcaps.physics_jump = enchanting.jump
 246                                 end
 247                         end
 248
 249                         minetest.register_tool(":"..mod..":enchanted_"..tool.."_"..material.."_"..enchant, {
 250                                 description = "Enchanted "..cap(material).." "..cap(tool).." ("..cap(enchant)..")",
 251                                 inventory_image = original_tool.inventory_image,
 252                                 texture = "3d_armor_"..tool.."_"..material,
 253                                 wield_image = original_tool.wield_image,
 254                                 groups = armorcaps,
 255                                 wear = 0
 256                         })
 257                 end
 258         end
 259         end
 260         end
 261 end
 262
 263 enchanting:register_tools("default", {
 264         materials = "steel, bronze, mese, diamond",
 265         tools = {
 266                 axe    = {enchants = "durable, fast"},
 267                 pick   = {enchants = "durable, fast"},
 268                 shovel = {enchants = "durable, fast"},
 269                 sword  = {enchants = "sharp"}
 270         }
 271 })
 272
 273 enchanting:register_tools("3d_armor", {
 274         materials = "steel, bronze, gold, diamond",
 275         tools = {
 276                 boots      = {enchants = "strong, speed"},
 277                 chestplate = {enchants = "strong"},
 278                 helmet     = {enchants = "strong"},
 279                 leggings   = {enchants = "strong"}
 280         }
 281 })
 282