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 node = minetest.get_node(pos)
 131         local num = #minetest.get_objects_inside_radius(pos, 0.9)
 132
 133         if num == 0 then
 134                 minetest.add_entity({x=pos.x, y=pos.y+0.85, z=pos.z}, "xdecor:book_open")
 135         end
 136
 137         local minp = {x=pos.x-2, y=pos.y, z=pos.z-2}
 138         local maxp = {x=pos.x+2, y=pos.y+1, z=pos.z+2}
 139         local bookshelves = minetest.find_nodes_in_area(minp, maxp, "default:bookshelf")
 140         if #bookshelves == 0 then return true end
 141
 142         local bookshelf_pos = bookshelves[math.random(1, #bookshelves)]
 143         local x = pos.x - bookshelf_pos.x
 144         local y = bookshelf_pos.y - pos.y
 145         local z = pos.z - bookshelf_pos.z
 146
 147         if tostring(x..z):find(2) then
 148                 minetest.add_particle({
 149                         pos = bookshelf_pos,
 150                         velocity = {x=x, y=2-y, z=z},
 151                         acceleration = {x=0, y=-2.2, z=0},
 152                         expirationtime = 1,
 153                         size = 2,
 154                         texture = "xdecor_glyph"..math.random(1,18)..".png"
 155                 })
 156         end
 157         return true
 158 end
 159
 160 xdecor.register("enchantment_table", {
 161         description = "Enchantment Table",
 162         tiles = {"xdecor_enchantment_top.png",  "xdecor_enchantment_bottom.png",
 163                  "xdecor_enchantment_side.png", "xdecor_enchantment_side.png",
 164                  "xdecor_enchantment_side.png", "xdecor_enchantment_side.png"},
 165         groups = {cracky=1, level=1},
 166         sounds = default.node_sound_stone_defaults(),
 167         on_rotate = screwdriver.rotate_simple,
 168         can_dig = enchanting.dig,
 169         on_timer = enchanting.timer,
 170         on_construct = enchanting.construct,
 171         on_destruct = enchanting.destruct,
 172         on_receive_fields = enchanting.fields,
 173         on_metadata_inventory_put = enchanting.on_put,
 174         on_metadata_inventory_take = enchanting.on_take,
 175         allow_metadata_inventory_put = enchanting.put,
 176         allow_metadata_inventory_move = function() return 0 end
 177 })
 178
 179 minetest.register_entity("xdecor:book_open", {
 180         visual = "sprite",
 181         visual_size = {x=0.75, y=0.75},
 182         collisionbox = {0},
 183         physical = false,
 184         textures = {"xdecor_book_open.png"},
 185         on_activate = function(self)
 186                 local pos = self.object:getpos()
 187                 local pos_under = {x=pos.x, y=pos.y-1, z=pos.z}
 188
 189                 if minetest.get_node(pos_under).name ~= "xdecor:enchantment_table" then
 190                         self.object:remove()
 191                 end
 192         end
 193 })
 194
 195 local function cap(S) return S:gsub("^%l", string.upper) end
 196
 197 function enchanting:register_tools(mod, def)
 198         for tool in pairs(def.tools) do
 199         for material in def.materials:gmatch("[%w_]+") do
 200         for enchant in def.tools[tool].enchants:gmatch("[%w_]+") do
 201                 local original_tool = minetest.registered_tools[mod..":"..tool.."_"..material]
 202                 if not original_tool then break end
 203
 204                 if original_tool.tool_capabilities then
 205                         local original_damage_groups = original_tool.tool_capabilities.damage_groups
 206                         local original_groupcaps = original_tool.tool_capabilities.groupcaps
 207                         local groupcaps = table.copy(original_groupcaps)
 208                         local fleshy = original_damage_groups.fleshy
 209                         local full_punch_interval = original_tool.tool_capabilities.full_punch_interval
 210                         local max_drop_level = original_tool.tool_capabilities.max_drop_level
 211                         local group = next(original_groupcaps)
 212
 213                         if enchant == "durable" then
 214                                 groupcaps[group].uses = math.ceil(original_groupcaps[group].uses * enchanting.uses)
 215                         elseif enchant == "fast" then
 216                                 for i, time in pairs(original_groupcaps[group].times) do
 217                                         groupcaps[group].times[i] = time - enchanting.times
 218                                 end
 219                         elseif enchant == "sharp" then
 220                                 fleshy = fleshy + enchanting.damages
 221                         end
 222
 223                         minetest.register_tool(":"..mod..":enchanted_"..tool.."_"..material.."_"..enchant, {
 224                                 description = "Enchanted "..cap(material).." "..cap(tool).." ("..cap(enchant)..")",
 225                                 inventory_image = original_tool.inventory_image.."^[colorize:violet:50",
 226                                 wield_image = original_tool.wield_image,
 227                                 groups = {not_in_creative_inventory=1},
 228                                 tool_capabilities = {
 229                                         groupcaps = groupcaps, damage_groups = {fleshy = fleshy},
 230                                         full_punch_interval = full_punch_interval, max_drop_level = max_drop_level
 231                                 }
 232                         })
 233                 end
 234
 235                 if mod == "3d_armor" then
 236                         local original_armor_groups = original_tool.groups
 237                         local armorcaps = {}
 238                         armorcaps.not_in_creative_inventory = 1
 239
 240                         for armor_group, value in pairs(original_armor_groups) do
 241                                 if enchant == "strong" then
 242                                         armorcaps[armor_group] = math.ceil(value * enchanting.strength)
 243                                 elseif enchant == "speed" then
 244                                         armorcaps[armor_group] = value
 245                                         armorcaps.physics_speed = enchanting.speed
 246                                         armorcaps.physics_jump = enchanting.jump
 247                                 end
 248                         end
 249
 250                         minetest.register_tool(":"..mod..":enchanted_"..tool.."_"..material.."_"..enchant, {
 251                                 description = "Enchanted "..cap(material).." "..cap(tool).." ("..cap(enchant)..")",
 252                                 inventory_image = original_tool.inventory_image,
 253                                 texture = "3d_armor_"..tool.."_"..material,
 254                                 wield_image = original_tool.wield_image,
 255                                 groups = armorcaps,
 256                                 wear = 0
 257                         })
 258                 end
 259         end
 260         end
 261         end
 262 end
 263
 264 enchanting:register_tools("default", {
 265         materials = "steel, bronze, mese, diamond",
 266         tools = {
 267                 axe    = {enchants = "durable, fast"},
 268                 pick   = {enchants = "durable, fast"},
 269                 shovel = {enchants = "durable, fast"},
 270                 sword  = {enchants = "sharp"}
 271         }
 272 })
 273
 274 enchanting:register_tools("3d_armor", {
 275         materials = "steel, bronze, gold, diamond",
 276         tools = {
 277                 boots      = {enchants = "strong, speed"},
 278                 chestplate = {enchants = "strong"},
 279                 helmet     = {enchants = "strong"},
 280                 leggings   = {enchants = "strong"}
 281         }
 282 })
 283