Epic/mods/anvils/anvils.lua

395 lines
15 KiB
Lua

local MAX_NAME_LENGTH = 30
local MAX_WEAR = 65535
local SAME_TOOL_REPAIR_BOOST = math.ceil(MAX_WEAR * 0.12) -- 12%
--[[local MATERIAL_TOOL_REPAIR_BOOST = {
math.ceil(MAX_WEAR * 0.34), -- 25%
math.ceil(MAX_WEAR * 0.68), -- 50%
math.ceil(MAX_WEAR * 1), -- 75%
MAX_WEAR, -- 100%
}]]
local MATERIAL_TOOL_REPAIR_BOOST = {
math.ceil(MAX_WEAR * 0.68), -- 50%
math.ceil(MAX_WEAR * 1), -- 75%
MAX_WEAR, -- 100%
}
local NAME_COLOR = "#FFFF4C"
local function get_anvil_formspec(set_name)
if not set_name then
set_name = ""
end
return "size[8,8.5]"..
"background[1,1;1,1;gui_formbg2.png;true]"..
"bgcolor[#080808BB;true]"..
"list[current_player;main;0,4.5;8,4]"..
"list[context;input;1,2.5;1,1;]"..
"list[context;input;3.5,2.5;1,1;1]"..
"list[context;output;6,2.5;1,1;]"..
"image[2.35,2.6;0.8,0.8;plus.png]" ..
"image[4.75,2.5;1,1;arrow0.png]" ..
"image[2.6,0.65;3,1;rep.png]" ..
"image[5.3,0.5;1.3,1.3;ham.png]" ..
"image[1.3,0.5;1.3,1.3;pick.png]" ..
"bgcolor[#080808BB;true]" ..
default.gui_slots..
"field_close_on_enter[name;false]"..
"listring[context;input]"..
"listring[context;output]"..
"listring[current_player;main]"..
"listring[current_player;main]"
end
-- Given a tool and material stack, returns how many items of the material stack
-- needs to be used up to repair the tool.
local function get_consumed_materials(tool, material)
local wear = tool:get_wear()
if wear == 0 then
return 0
end
local health = (MAX_WEAR - wear)
local matsize = material:get_count()
local materials_used = 0
for m=1, math.min(3, matsize) do
materials_used = materials_used + 1
if (wear - MATERIAL_TOOL_REPAIR_BOOST[m]) <= 0 then
break
end
end
return materials_used
end
-- Given 2 input stacks, tells you which is the tool and which is the material.
-- Returns ("tool", input1, input2) if input1 is tool and input2 is material.
-- Returns ("material", input2, input1) if input1 is material and input2 is tool.
-- Returns nil otherwise.
local function distinguish_tool_and_material(input1, input2)
local def1 = input1:get_definition()
local def2 = input2:get_definition()
if def1.type == "tool" and def1._repair_material then
return "tool", input1, input2
elseif def2.type == "tool" and def2._repair_material then
return "material", input2, input1
else
return nil
end
end
-- Update the inventory slots of an anvil node.
-- meta: Metadata of anvil node
local function update_anvil_slots(meta)
local inv = meta:get_inventory()
local new_name = meta:get_string("set_name")
local input1, input2, output
input1 = inv:get_stack("input", 1)
input2 = inv:get_stack("input", 2)
output = inv:get_stack("output", 1)
local new_output, name_item
local just_rename = false
-- Both input slots occupied
if (not input1:is_empty() and not input2:is_empty()) then
-- Repair, if tool
local def1 = input1:get_definition()
local def2 = input2:get_definition()
-- Repair calculation helper.
-- Adds the “inverse” values of wear1 and wear2.
-- Then adds a boost health value directly.
-- Returns the resulting (capped) wear.
local function calculate_repair(wear1, wear2, boost)
local new_health = (MAX_WEAR - wear1) + (MAX_WEAR - wear2)
if boost then
new_health = new_health + boost
end
return math.max(0, math.min(MAX_WEAR, MAX_WEAR - new_health))
end
-- Same tool twice
if input1:get_name() == input2:get_name() and def1.type == "tool" and (input1:get_wear() > 0 or input2:get_wear() > 0) then
-- Add tool health together plus a small bonus
-- TODO: Combine tool enchantments
local new_wear = calculate_repair(input1:get_wear(), input2:get_wear(), SAME_TOOL_REPAIR_BOOST)
input1:set_wear(new_wear)
name_item = input1
new_output = name_item
-- Tool + repair item
else
-- Any tool can have a repair item. This may be defined in the tool's item definition
-- as an itemstring in the field `_repair_material`. Only if this field is set, the
-- tool can be repaired with a material item.
-- Example: Steel Pickaxe + Steel Ingot. `_repair_material = default:steel_ingot`
-- Big repair bonus
-- TODO: Combine tool enchantments
local distinguished, tool, material = distinguish_tool_and_material(input1, input2)
if distinguished then
local tooldef = tool:get_definition()
local has_correct_material = false
if string.sub(tooldef._repair_material, 1, 6) == "group:" then
has_correct_material = minetest.get_item_group(material:get_name(), string.sub(tooldef._repair_material, 7)) ~= 0
elseif material:get_name() == tooldef._repair_material then
has_correct_material = true
end
if has_correct_material and tool:get_wear() > 0 then
local materials_used = get_consumed_materials(tool, material)
local new_wear = calculate_repair(tool:get_wear(), MAX_WEAR, MATERIAL_TOOL_REPAIR_BOOST[materials_used])
tool:set_wear(new_wear)
name_item = tool
new_output = name_item
else
new_output = ""
end
else
new_output = ""
end
end
-- Exactly 1 input slot occupied
elseif (not input1:is_empty() and input2:is_empty()) or (input1:is_empty() and not input2:is_empty()) then
-- Just rename item
if input1:is_empty() then
name_item = input2
else
name_item = input1
end
just_rename = true
else
new_output = ""
end
-- Rename handling
if name_item then
-- No renaming allowed with group no_rename=1
if minetest.get_item_group(name_item:get_name(), "no_rename") == 1 then
new_output = ""
else
if new_name == nil then
new_name = ""
end
local meta = name_item:get_meta()
local old_name = meta:get_string("name")
-- Limit name length
new_name = string.sub(new_name, 1, MAX_NAME_LENGTH)
-- Don't rename if names are identical
if new_name ~= old_name then
-- Rename item
if new_name == "" then
-- Empty name
if name_item:get_definition()._generate_description then
-- _generate_description(itemstack): If defined, set custom item description of itemstack.
name_item:get_definition()._generate_description(name_item)
else
-- Otherwise, just clear description
meta:set_string("description", "")
end
else
-- Custom name set. Colorize it!
-- This makes the name visually different from unnamed items
meta:set_string("description", core.colorize(NAME_COLOR, new_name))
end
-- Save the raw name internally, too
meta:set_string("name", new_name)
new_output = name_item
elseif just_rename then
new_output = ""
end
end
end
-- Set the new output slot
if new_output ~= nil then
inv:set_stack("output", 1, new_output)
end
end
-- Drop input items of anvil at pos with metadata meta
local function drop_anvil_items(pos, meta)
local inv = meta:get_inventory()
for i=1, inv:get_size("input") do
local stack = inv:get_stack("input", i)
if not stack:is_empty() then
local p = {x=pos.x+math.random(0, 10)/10-0.5, y=pos.y, z=pos.z+math.random(0, 10)/10-0.5}
minetest.add_item(p, stack)
end
end
end
local anvildef = {
groups = {cracky = 1},
tiles = {'stations_anvil.png'},
use_texture_alpha = 'opaque',
paramtype = "light",
sunlight_propagates = true,
is_ground_content = false,
paramtype2 = "facedir",
drawtype = "mesh",
mesh = 'anvils_anvil.obj',
sounds = default.node_sound_metal_defaults(),
after_place_node = function(pos, placer)
local name = placer:get_player_name()
local pinv = placer:get_inventory()
local meta = minetest.get_meta(pos);
local owner = placer:get_player_name() or "";
local privs = minetest.get_player_privs(owner);
meta:set_string("owner",owner);
meta:set_string("infotext","Anvil (owned by " .. owner .. "): ");
end,
after_dig_node = function(pos, oldnode, oldmetadata, digger)
local meta = minetest.get_meta(pos)
local meta2 = meta
meta:from_table(oldmetadata)
drop_anvil_items(pos, meta)
meta:from_table(meta2:to_table())
end,
allow_metadata_inventory_put = function(pos, listname, index, stack, player)
local meta = minetest.get_meta(pos);
local privs = minetest.get_player_privs(player:get_player_name());
if meta:get_string("owner")~=player:get_player_name() and not privs.privs then return 0 end
if listname == "output" then
return 0
else
return stack:get_count()
end
end,
allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
local meta = minetest.get_meta(pos);
local privs = minetest.get_player_privs(player:get_player_name());
if meta:get_string("owner")~=player:get_player_name() and not privs.privs then return 0 end
if to_list == "output" then
return 0
elseif from_list == "output" and to_list == "input" then
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
if inv:get_stack(to_list, to_index):is_empty() then
return count
else
return 0
end
else
return count
end
end,
on_metadata_inventory_put = function(pos, listname, index, stack, player)
local meta = minetest.get_meta(pos)
update_anvil_slots(meta)
end,
on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
local meta = minetest.get_meta(pos)
if from_list == "output" and to_list == "input" then
local inv = meta:get_inventory()
for i=1, inv:get_size("input") do
if i ~= to_index then
local istack = inv:get_stack("input", i)
istack:set_count(math.max(0, istack:get_count() - count))
inv:set_stack("input", i, istack)
end
end
end
update_anvil_slots(meta)
end,
allow_metadata_inventory_take = function(pos, listname, index, stack, player)
local meta = minetest.get_meta(pos);
local privs = minetest.get_player_privs(player:get_player_name());
if meta:get_string("owner")~=player:get_player_name() and not privs.privs then return 0 end
return stack:get_count();
end,
on_metadata_inventory_take = function(pos, listname, index, stack, player)
local meta = minetest.get_meta(pos)
if listname == "output" then
local inv = meta:get_inventory()
local input1 = inv:get_stack("input", 1)
local input2 = inv:get_stack("input", 2)
-- Both slots occupied?
if not input1:is_empty() and not input2:is_empty() then
-- Take as many items as needed
local distinguished, tool, material = distinguish_tool_and_material(input1, input2)
if distinguished then
-- Tool + material: Take tool and as many materials as needed
local materials_used = get_consumed_materials(tool, material)
material:set_count(material:get_count() - materials_used)
tool:take_item()
local player_name = player:get_player_name()
minetest.sound_play("anvil_use", {to_player=player_name, gain = 1.0})
if distinguished == "tool" then
input1, input2 = tool, material
else
input1, input2 = material, tool
end
inv:set_stack("input", 1, input1)
inv:set_stack("input", 2, input2)
else
-- Else take 1 item from each stack
input1:take_item()
input2:take_item()
inv:set_stack("input", 1, input1)
inv:set_stack("input", 2, input2)
end
else
-- Otherwise: Rename mode. Remove the same amount of items from input
-- as has been taken from output
if not input1:is_empty() then
input1:set_count(math.max(0, input1:get_count() - stack:get_count()))
inv:set_stack("input", 1, input1)
end
if not input2:is_empty() then
input2:set_count(math.max(0, input2:get_count() - stack:get_count()))
inv:set_stack("input", 2, input2)
end
end
elseif listname == "input" then
update_anvil_slots(meta)
end
end,
on_construct = function(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory()
inv:set_size("input", 2)
inv:set_size("output", 1)
local form = get_anvil_formspec()
meta:set_string("formspec", form)
end,
on_receive_fields = function(pos, formname, fields, sender)
if fields.name_button or fields.name then
local set_name
if fields.name == nil then
set_name = ""
else
set_name = fields.name
end
local meta = minetest.get_meta(pos)
-- Limit name length
set_name = string.sub(set_name, 1, MAX_NAME_LENGTH)
meta:set_string("set_name", set_name)
update_anvil_slots(meta)
meta:set_string("formspec", get_anvil_formspec(set_name))
end
end,
}
if minetest.get_modpath("screwdriver") then
anvildef.on_rotate = screwdriver.rotate_simple
end
local anvildef0 = table.copy(anvildef)
anvildef0.description = "Anvil"
anvildef0._doc_items_longdesc =
[[The anvil allows you to repair tools and armor, and to give names to items.]]
anvildef0._doc_items_usagehelp =
"To use an anvil, rightclick it. An anvil has 2 input slots (on the left) and one output slot.\n"..
"To rename items, put an item stack in one of the item slots while keeping the other input slot empty. Type in a name, hit enter or “Set Name”, then take the renamed item from the output slot.\n"..
"There are two possibilities to repair tools (and armor):\n"..
"• Tool + Tool: Place two tools of the same type in the input slots. The “health” of the repaired tool is the sum of the “health” of both input tools, plus a 12% bonus.\n"..
"• Tool + Material: Some tools can also be repaired by combining them with an item that it's made of. For example, iron pickaxes can be repaired with iron ingots. This repairs the tool by 25%.\n"..
"Armor counts as a tool. It is possible to repair and rename a tool in a single step."
minetest.register_node("anvils:anvil", anvildef0)
minetest.register_craft({
output = "anvils:anvil",
recipe = {
{ "default:steelblock", "default:steelblock", "default:steelblock" },
{ "", "default:steel_ingot", "" },
{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" },
}
})