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)
  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                 tool:replace(enchanted_tool)
  72                 tool:add_wear(orig_wear)
  73                 mese:take_item(mese_cost)
  74                 inv:set_stack("mese", 1, mese)
  75                 inv:set_stack("tool", 1, tool)
  76         end
  77 end
  78
  79 function enchanting.dig(pos)
  80         local inv = minetest.get_meta(pos):get_inventory()
  81         return inv:is_empty("tool") and inv:is_empty("mese")
  82 end
  83
  84 local function allowed(tool)
  85         for item in pairs(minetest.registered_tools) do
  86                 if item:find("enchanted_"..tool) then return true end
  87         end
  88         return false
  89 end
  90
  91 function enchanting.put(_, listname, _, stack)
  92         local item = stack:get_name():match("[^:]+$")
  93         if listname == "mese" and item == "mese_crystal" then
  94                 return stack:get_count()
  95         elseif listname == "tool" and allowed(item) then
  96                 return 1
  97         end
  98         return 0
  99 end
 100
 101 function enchanting.on_take(pos, listname)
 102         if listname == "tool" then enchanting.formspec(pos, nil) end
 103 end
 104
 105 function enchanting.construct(pos)
 106         local meta = minetest.get_meta(pos)
 107         meta:set_string("infotext", "Enchantment Table")
 108         enchanting.formspec(pos, nil)
 109
 110         local inv = meta:get_inventory()
 111         inv:set_size("tool", 1)
 112         inv:set_size("mese", 1)
 113 end
 114
 115 xdecor.register("enchantment_table", {
 116         description = "Enchantment Table",
 117         tiles = {"xdecor_enchantment_top.png",  "xdecor_enchantment_bottom.png",
 118                  "xdecor_enchantment_side.png", "xdecor_enchantment_side.png",
 119                  "xdecor_enchantment_side.png", "xdecor_enchantment_side.png"},
 120         groups = {cracky=1, level=1},
 121         sounds = default.node_sound_stone_defaults(),
 122         on_rotate = screwdriver.rotate_simple,
 123         can_dig = enchanting.dig,
 124         on_construct = enchanting.construct,
 125         on_receive_fields = enchanting.fields,
 126         on_metadata_inventory_put = enchanting.on_put,
 127         on_metadata_inventory_take = enchanting.on_take,
 128         allow_metadata_inventory_put = enchanting.put,
 129         allow_metadata_inventory_move = function() return 0 end
 130 })
 131
 132 local function cap(S) return S:gsub("^%l", string.upper) end
 133
 134 function enchanting:register_tools(mod, def)
 135         for tool in pairs(def.tools) do
 136         for material in def.materials:gmatch("[%w_]+") do
 137         for enchant in def.tools[tool].enchants:gmatch("[%w_]+") do
 138                 local original_tool = minetest.registered_tools[mod..":"..tool.."_"..material]
 139                 if not original_tool then return end
 140
 141                 if original_tool.tool_capabilities then
 142                         local original_damage_groups = original_tool.tool_capabilities.damage_groups
 143                         local original_groupcaps = original_tool.tool_capabilities.groupcaps
 144                         local groupcaps = table.copy(original_groupcaps)
 145                         local fleshy = original_damage_groups.fleshy
 146                         local full_punch_interval = original_tool.tool_capabilities.full_punch_interval
 147                         local max_drop_level = original_tool.tool_capabilities.max_drop_level
 148                         local group = next(original_groupcaps)
 149
 150                         if enchant == "durable" then
 151                                 groupcaps[group].uses = math.ceil(original_groupcaps[group].uses * enchanting.uses)
 152                         elseif enchant == "fast" then
 153                                 for i, time in pairs(original_groupcaps[group].times) do
 154                                         groupcaps[group].times[i] = time - enchanting.times
 155                                 end
 156                         elseif enchant == "sharp" then
 157                                 fleshy = fleshy + enchanting.damages
 158                         end
 159
 160                         minetest.register_tool(":"..mod..":enchanted_"..tool.."_"..material.."_"..enchant, {
 161                                 description = "Enchanted "..cap(material).." "..cap(tool).." ("..cap(enchant)..")",
 162                                 inventory_image = original_tool.inventory_image.."^[colorize:violet:50",
 163                                 wield_image = original_tool.wield_image,
 164                                 groups = {not_in_creative_inventory=1},
 165                                 tool_capabilities = {
 166                                         groupcaps = groupcaps, damage_groups = {fleshy = fleshy},
 167                                         full_punch_interval = full_punch_interval, max_drop_level = max_drop_level
 168                                 }
 169                         })
 170                 end
 171
 172                 if mod == "3d_armor" then
 173                         local original_armor_groups = original_tool.groups
 174                         local armorcaps = {}
 175                         armorcaps.not_in_creative_inventory = 1
 176
 177                         for armor_group, value in pairs(original_armor_groups) do
 178                                 if enchant == "strong" then
 179                                         armorcaps[armor_group] = math.ceil(value * enchanting.strength)
 180                                 elseif enchant == "speed" then
 181                                         armorcaps[armor_group] = value
 182                                         armorcaps.physics_speed = enchanting.speed
 183                                         armorcaps.physics_jump = enchanting.jump
 184                                 end
 185                         end
 186
 187                         minetest.register_tool(":"..mod..":enchanted_"..tool.."_"..material.."_"..enchant, {
 188                                 description = "Enchanted "..cap(material).." "..cap(tool).." ("..cap(enchant)..")",
 189                                 inventory_image = original_tool.inventory_image,
 190                                 texture = "3d_armor_"..tool.."_"..material,
 191                                 wield_image = original_tool.wield_image,
 192                                 groups = armorcaps,
 193                                 wear = 0
 194                         })
 195                 end
 196         end
 197         end
 198         end
 199 end
 200
 201 enchanting:register_tools("default", {
 202         materials = "steel, bronze, mese, diamond",
 203         tools = {
 204                 axe    = {enchants = "durable, fast"},
 205                 pick   = {enchants = "durable, fast"},
 206                 shovel = {enchants = "durable, fast"},
 207                 sword  = {enchants = "sharp"}
 208         }
 209 })
 210
 211 enchanting:register_tools("3d_armor", {
 212         materials = "steel, bronze, gold, diamond",
 213         tools = {
 214                 boots      = {enchants = "strong, speed"},
 215                 chestplate = {enchants = "strong"},
 216                 helmet     = {enchants = "strong"},
 217                 leggings   = {enchants = "strong"}
 218         }
 219 })
 220