Initial commit

commands.lua

@@ -0,0 +1,43 @@
+local MAXINT = 2147483647;
+
+minetest.register_chatcommand("map", {
+    params = "[<detail>]",
+    func = function(name, detail)
+        local player = minetest.get_player_by_name(name);
+        local pos = player:get_pos();
+
+        local spawn_x = nil;
+        local spawn_y = nil;
+        if _cartographer.spawns[name] then
+            spawn_x = tochunk(_cartographer.spawns[name].x);
+            spawn_y = tochunk(_cartographer.spawns[name].z);
+        end
+
+        local death_x = nil;
+        local death_y = nil;
+        if _cartographer.last_deaths[name] then
+            death_x = tochunk(_cartographer.last_deaths[name].x);
+            death_y = tochunk(_cartographer.last_deaths[name].z);
+        end
+
+        local player_x = tochunk(pos.x);
+        local player_y = tochunk(pos.z);
+
+        if detail == "" then
+            detail = MAXINT;
+        end
+
+        minetest.show_formspec(name, "map", cartographer.get_map_formspec(data, tochunk(pos.x), tochunk(pos.z), 40, 40, spawn_x, spawn_y, death_x, death_y, detail));
+    end,
+})
+
+-- TODO: Remove before release
+minetest.register_chatcommand("scan", {
+    func = function(name)
+        local player = minetest.get_player_by_name(name);
+        local pos = player:get_pos();
+
+        local b = minetest.get_biome_data(pos).biome;
+        minetest.chat_send_all(minetest.get_biome_name(b));
+    end,
+})

init.lua

@@ -0,0 +1,77 @@
+local mod_storage = minetest.get_mod_storage();
+
+-- The API object
+cartographer = {
+    biome_lookup = {},
+    biome_heights = {},
+    scan_queue = {},
+};
+_cartographer = {
+    CHUNK_SIZE = 16,
+
+    maps = minetest.deserialize(mod_storage:get_string("maps")) or {},
+    next_map_id = mod_storage:get_int("next_map_id"),
+    last_deaths = minetest.deserialize(mod_storage:get_string("deaths")) or {},
+    spawns = minetest.deserialize(mod_storage:get_string("spawns")) or {},
+
+    materials_by_name = {},
+    materials_by_group = {},
+};
+
+if _cartographer.next_map_id == 0 then
+    _cartographer.next_map_id = 1;
+end
+
+data = {
+    generated = minetest.deserialize(mod_storage:get_string("map")) or {},
+}
+
+local function save()
+    mod_storage:set_string("maps", minetest.serialize(_cartographer.maps));
+    mod_storage:set_int("next_map_id", _cartographer.next_map_id);
+    mod_storage:set_string("map", minetest.serialize(data.generated));
+    mod_storage:set_string("deaths", minetest.serialize(_cartographer.last_deaths));
+    mod_storage:set_string("spawns", minetest.serialize(_cartographer.spawns));
+end
+minetest.register_on_shutdown(save);
+minetest.register_on_leaveplayer(save);
+
+local function periodic_save()
+    save();
+    minetest.after(60, periodic_save);
+end
+minetest.after(60, periodic_save);
+
+function tochunk(coord)
+    return math.floor(coord / _cartographer.CHUNK_SIZE);
+end
+
+function fromchunk(coord)
+    return math.floor(coord * _cartographer.CHUNK_SIZE);
+end
+
+minetest.register_on_respawnplayer(function(player)
+    _cartographer.last_deaths[player:get_player_name()] = player:get_pos();
+end)
+
+minetest.register_on_newplayer(function(player)
+    minetest.after(1, function(player)
+        _cartographer.spawns[player:get_player_name()] = player:get_pos();
+    end, player);
+end)
+
+-- The path to this mod, for including files
+local modpath = minetest.get_modpath("cartographer");
+
+-- Includes
+dofile(modpath .. "/commands.lua");
+dofile(modpath .. "/scanner.lua");
+dofile(modpath .. "/map_api.lua");
+dofile(modpath .. "/map_formspec.lua");
+dofile(modpath .. "/items.lua");
+dofile(modpath .. "/table.lua");
+
+-- Setup mod/game support
+if minetest.get_modpath("default") then
+    dofile(modpath .. "/repixture.lua");
+end

items.lua

@@ -0,0 +1,146 @@
+minetest.register_node("cartographer:map", {
+    description = "Map",
+    inventory_image = "cartographer_map.png",
+    drawtype = "signlike",
+    paramtype = "light",
+    paramtype2 = "wallmounted",
+    stack_max = 1,
+    on_use = function(stack, player, _)
+        local pos = player:get_pos();
+        local name = player:get_player_name();
+
+        local spawn_x = nil;
+        local spawn_y = nil;
+        if _cartographer.spawns[name] ~= nil then
+            spawn_x = tochunk(_cartographer.spawns[name].x);
+            spawn_y = tochunk(_cartographer.spawns[name].z);
+        end
+
+        local death_x = nil;
+        local death_y = nil;
+        if _cartographer.last_deaths[name] ~= nil then
+            death_x = tochunk(_cartographer.last_deaths[name].x);
+            death_y = tochunk(_cartographer.last_deaths[name].z);
+        end
+
+        local player_x = tochunk(pos.x);
+        local player_y = tochunk(pos.z);
+
+        local meta = stack:get_meta();
+        local id = meta:get_int("cartographer:map_id");
+        if id == 0 then
+            local size = meta:get_int("cartographer:size") or 10;
+            local detail = meta:get_int("cartographer:detail") or 1;
+
+            local map_x = math.floor((player_x + 10)/size)*size-10
+            local map_y = math.floor((player_y + 10)/size)*size-10;
+            id = cartographer.create_map(map_x,map_y,size,size,false, detail);
+            meta:set_int("cartographer:map_id", id);
+            meta:set_string("description", "Map #" .. tostring(id) .. "\n[" .. tostring(fromchunk(map_x)) .. "," .. tostring(fromchunk(map_y)) .. "] - [" .. tostring(fromchunk(map_x + size)) .. "," .. tostring(fromchunk(map_y + size)) .. "]")
+        end
+
+        cartographer.fill_local(id, player_x, player_y);
+
+        minetest.show_formspec(player:get_player_name(), "map", cartographer.get_map_formspec_map(data, cartographer.get_map(id), player_x, player_y, spawn_x, spawn_y, death_x, death_y));
+
+        return stack;
+    end,
+
+    after_place_node = function(stack, placer, pointed_thing)
+        local meta = stack:get_meta():to_table();
+        local s = minetest.item_place(stack, placer, pointed_thing);
+
+        local node_meta = minetest.get_meta(pointed_thing);
+        node_meta:from_table(meta);
+
+        return nil;
+    end,
+
+    on_rightclick = function(pos, node, player, itemstack, pointed_thing)
+        local meta = minetest.get_meta(pos);
+
+        local spawn_x = nil;
+        local spawn_y = nil;
+        if _cartographer.spawns[name] ~= nil then
+            spawn_x = tochunk(_cartographer.spawns[name].x);
+            spawn_y = tochunk(_cartographer.spawns[name].z);
+        end
+
+        local death_x = nil;
+        local death_y = nil;
+        if _cartographer.last_deaths[name] ~= nil then
+            death_x = tochunk(_cartographer.last_deaths[name].x);
+            death_y = tochunk(_cartographer.last_deaths[name].z);
+        end
+
+        local player_x = tochunk(pos.x);
+        local player_y = tochunk(pos.z);
+
+        local id = meta:get_int("cartographer:map_id");
+        if id == 0 then
+            local map_x = math.floor((player_x + 10)/20)*20-10
+            local map_y = math.floor((player_y + 10)/20)*20-10;
+            id = cartographer.create_map(map_x,map_y,20,20,false);
+            meta:set_int("cartographer:map_id", id);
+        end
+
+        cartographer.fill_local(id, player_x, player_y);
+
+        minetest.show_formspec(player:get_player_name(), "map", cartographer.get_map_formspec_map(data, cartographer.get_map(id), player_x, player_y, spawn_x, spawn_y, death_x, death_y));
+    end,
+});
+
+function cartographer.create_map_item(size, detail)
+    local map = ItemStack("cartographer:map");
+    local meta = map:get_meta();
+    meta:set_int("cartographer:size", size);
+    meta:set_int("cartographer:detail", detail);
+    meta:set_string("description", "Empty Map\nUse to set the initial location");
+
+    return map;
+end
+
+function cartographer.copy_map_item(stack)
+    local meta = stack:get_meta();
+
+    local size = meta:get_int("cartographer:size");
+    local detail = meta:get_int("cartographer:detail");
+
+    local copy = cartographer.create_map_item(size, detail);
+    local copy_meta = copy:get_meta();
+
+    local id = meta:get_int("cartographer:map_id");
+    local new_id = 0;
+    if id > 0 then
+        local src = cartographer.get_map(id);
+
+        new_id = cartographer.create_map(src.x, src.z, src.w, src.h, false, src.detail);
+        local dest = cartographer.get_map(new_id);
+        for k,v in pairs(src.fill) do
+            dest.fill[k] = v;
+        end
+
+        copy_meta:set_int("cartographer:map_id", new_id);
+        copy_meta:set_string("description", "Map #" .. tostring(new_id) .. "\n[" .. tostring(fromchunk(dest.x)) .. "," .. tostring(fromchunk(dest.z)) .. "] - [" .. tostring(fromchunk(dest.x + dest.w)) .. "," .. tostring(fromchunk(dest.z + dest.h)) .. "]")
+    end
+
+    return copy;
+end
+
+function cartographer.resize_map_item(meta, size)
+    local old_size = meta:get_int("cartographer:size");
+
+    if old_size >= size then
+        return;
+    end
+
+    meta:set_int("cartographer:size", size);
+
+    local id = meta:get_int("cartographer:map_id");
+    if id > 0 then
+        local map = cartographer.get_map(id);
+        cartographer.resize_map(id, size, size);
+
+        meta:set_string("description", "Map #" .. tostring(id) .. "\n[" .. tostring(fromchunk(map.x)) .. "," .. tostring(fromchunk(map.z)) .. "] - [" .. tostring(fromchunk(map.x + map.w)) .. "," .. tostring(fromchunk(map.z + map.h)) .. "]")
+    end
+end

map_api.lua

@@ -0,0 +1,110 @@
+function cartographer.create_map(x, z, w, h, filled, detail)
+    local id = _cartographer.next_map_id;
+
+    local map = {
+        id = id,
+        x = x,
+        z = z,
+        w = w,
+        h = h,
+        detail = detail,
+        fill = {},
+    };
+
+    _cartographer.maps[id] = map;
+    if filled then
+        cartographer.fill(map, x, z, w, h);
+    end
+
+    _cartographer.next_map_id = _cartographer.next_map_id + 1;
+
+    return id;
+end
+
+function cartographer.get_map(id)
+    return _cartographer.maps[id];
+end
+
+function cartographer.resize_map(id, w, h)
+    local map = cartographer.get_map(id);
+    if map ~= nil and w >= map.w and h >= map.h then
+        map.w = w;
+        map.h = h;
+    end
+end
+
+function cartographer.fill(map, x, z, w, h)
+    if map == nil then
+        return;
+    end
+
+    for i = math.max(x, map.x),math.min(x + w - 1, map.x + map.w),1 do
+        for j = math.max(z, map.z),math.min(z + h - 1, map.z + map.h),1 do
+            map.fill[(i - map.x) + ((j - map.z) * map.w)] = map.detail;
+        end
+    end
+end
+
+function cartographer.fill_local(id, x, z)
+    local map = cartographer.get_map(id);
+
+    if map ~= nil and x >= map.x - 2 and x <= map.x + map.w + 1 and z >= map.z - 2 and z <= map.z + map.h + 1 then
+    minetest.chat_send_all("[" .. tostring(x) .. ", " .. tostring(z) .. "] - [" .. tostring(map.x - 2) .. ", " .. tostring(map.z - 2) .. "], [" .. tostring(map.x + map.w + 1) .. ", " .. tostring(map.z + map.h + 1) .. "]");
+        cartographer.fill(map, x - 2, z - 2, 5, 5);
+    end
+end
+
+local timer = 0;
+
+minetest.register_globalstep(function(dt)
+    timer = timer - dt;
+    if timer < 0 then
+        timer = timer + 5;
+
+        -- Fill in all player-held maps
+        for _,p in ipairs(minetest.get_connected_players()) do
+            local inventory = p:get_inventory();
+            local pos = p:get_pos();
+            local player_x = tochunk(pos.x);
+            local player_y = tochunk(pos.z);
+            for i = 1,inventory:get_size("main") do
+                local stack = inventory:get_stack("main", i);
+
+                if stack:get_name() == "cartographer:map" then
+                    cartographer.fill_local(stack:get_meta():get_int("cartographer:map_id"), player_x, player_y);
+                end
+            end
+            for i = -2,2 do
+                for j = -2,2 do
+                    local adjusted_pos = {
+                        x = tochunk(pos.x + fromchunk(i)),
+                        y = tochunk(pos.y),
+                        z = tochunk(pos.z + fromchunk(j)),
+                    }
+                    cartographer.queue_region(adjusted_pos);
+                end
+            end
+        end
+
+        for i = 1,10 do
+            cartographer.scan_regions();
+        end
+    end
+end)
+
+function cartographer.register_biome(name, texture, height)
+    cartographer.biome_lookup[name] = texture;
+
+    if height ~= nil and height ~= 0 then
+        cartographer.biome_heights[name] = height;
+    end
+end
+
+function cartographer.is_filled(map, x, z)
+    if map == nil then
+        return false;
+    end
+
+    minetest.chat_send_all(tostring(x).. ", " .. tostring(z) .. "(" .. tostring(x + (z * map.w)) .."): " .. tostring(map.fill[x + (z * map.w)]));
+    return map.fill[(x - map.x) + ((z - map.z) * map.w)] ~= nil;
+end

map_formspec.lua

@@ -0,0 +1,64 @@
+local scale = 0.25;
+
+local variant_odds = { 1, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 4 };
+local function get_variant(random)
+    return variant_odds[random:next(1, 12)];
+end
+
+local map_formspec_prefix = [[
+    formspec_version[3]
+    size[%f,%f]
+    real_coordinates[true]
+    style_type[image_button;border=false]
+]];
+
+local tile = "image[%f,%f;%f,%f;%s]";
+local marker = "animated_image[%f,%f;%f,%f;%s:%d,%d]";
+
+local function generate_map(data, x, y, w, h, player_x, player_y, spawn_x, spawn_y, death_x, death_y, detail, is_visible, user)
+    local str = "";
+    local random = PcgRandom(x + y + w + h); -- TODO: Better seed
+    for i = x,x + w,1 do
+        local fx = (i - x) * (scale - 0.01);
+        local column = data.generated[i];
+        for j = y + h,y,-1 do
+            local fy = (y + h - j) * (scale - 0.01);
+            if column == nil or column[j] == nil or (is_visible and not is_visible(user, i, j)) then
+                str = str..tile:format(fx, fy, scale, scale, "cartographer_unknown_biome." .. tostring(get_variant(random)) .. ".png")
+            else
+                local name = minetest.get_biome_name(column[j]);
+                local biome = cartographer.biome_lookup[name];
+                local height = cartographer.biome_heights[name] or 0;
+
+                if biome == nil then
+                    minetest.chat_send_all(name);
+                    str = str..tile:format(fx, fy, scale, scale, "cartographer_unknown_biome." .. tostring(get_variant(random)) .. ".png")
+                else
+                    if height > 0 then
+                        str = str..tile:format(fx, fy, scale, scale, "cartographer_cliff.png")
+                    end
+
+                    str = str..tile:format(fx, fy - (height * 0.025), scale, scale, biome[math.min(detail, #biome)] .. "." .. tostring(get_variant(random)) .. ".png")
+                end
+
+                if i == player_x and j == player_y then
+                    str = str..marker:format(fx, fy - (height * 0.025), scale, scale, "cartographer_player_icon.png", 2, 500)
+                -- elseif i == death_x and j == death_y then
+                --     str = str..marker:format(fx, fy - (height * 0.025), scale, scale, "dicon.png")
+                -- elseif i == spawn_x and j == spawn_y then
+                --     str = str..marker:format(fx, fy - (height * 0.025), scale, scale, "cartographer_home_icon.png")
+                end
+            end
+        end
+    end
+
+    return str;
+end
+
+function cartographer.get_map_formspec(data, x, y, w, h, spawn_x, spawn_y, death_x, death_y, detail)
+    return map_formspec_prefix:format(w * scale, h * scale)..generate_map(data, x - (w * 0.5), y - (h * 0.5), w, h, x, y, spawn_x, spawn_y, death_x, death_y, detail);
+end
+
+function cartographer.get_map_formspec_map(data, map, x, y, spawn_x, spawn_y, death_x, death_y)
+    return map_formspec_prefix:format(map.w * scale, map.h * scale)..generate_map(data, map.x, map.z, map.w, map.h, x, y, spawn_x, spawn_y, death_x, death_y, map.detail, cartographer.is_filled, map);
+end

mod.conf

@@ -0,0 +1,3 @@
+name = cartographer
+description = Adds an unlockable world map
+optional_depends = crafting

models/cartographer_simple_table.obj

@@ -0,0 +1,749 @@
+# Blender v2.81 (sub 16) OBJ File: 'simple_table.blend'
+# www.blender.org
+o Legs_Plane.001
+v 0.437500 -0.437500 -0.312500
+v 0.375000 -0.437500 -0.312500
+v 0.437500 -0.437500 0.312500
+v 0.375000 -0.437500 0.312500
+v 0.437500 -0.375000 0.312500
+v 0.437500 -0.375000 -0.312500
+v 0.375000 -0.375000 -0.312500
+v 0.375000 -0.375000 0.312500
+v 0.375000 -0.437500 -0.375000
+v 0.437500 -0.437500 -0.375000
+v 0.437500 -0.437500 0.062500
+v 0.375000 -0.437500 0.062500
+v 0.437500 -0.375000 0.062500
+v 0.375000 -0.375000 0.062500
+v 0.437500 -0.437500 0.062500
+v 0.437500 -0.437500 -0.062500
+v 0.437500 -0.375000 -0.062167
+v 0.437500 -0.437500 -0.061835
+v 0.375000 -0.437500 -0.061835
+v 0.375000 -0.375000 -0.061835
+v 0.375000 0.125000 -0.061835
+v 0.375000 0.125000 0.062500
+v 0.437500 0.125000 0.062500
+v 0.437500 0.125000 -0.062167
+v 0.375000 0.250000 -0.061835
+v 0.375000 0.312500 0.062500
+v 0.437500 0.312500 0.062500
+v 0.437500 0.250000 -0.062167
+v 0.437500 -0.375000 -0.375000
+v 0.375000 -0.375000 -0.375000
+v 0.375000 -0.437500 0.375000
+v 0.437500 -0.437500 0.375000
+v 0.375000 -0.375000 0.375000
+v 0.437500 -0.375000 0.375000
+v 0.375000 -0.312500 0.312500
+v 0.437500 -0.312500 0.312500
+v 0.375000 -0.312500 0.375000
+v 0.437500 -0.312500 0.375000
+v 0.375000 -0.500000 0.312500
+v 0.437500 -0.500000 0.312500
+v 0.375000 -0.500000 0.375000
+v 0.437500 -0.500000 0.375000
+v 0.437500 -0.500000 -0.312500
+v 0.375000 -0.500000 -0.312500
+v 0.437500 -0.500000 -0.375000
+v 0.375000 -0.500000 -0.375000
+v 0.437500 -0.312500 -0.312500
+v 0.375000 -0.312500 -0.312500
+v 0.437500 -0.312500 -0.375000
+v 0.375000 -0.312500 -0.375000
+v -0.437500 -0.437500 -0.312500
+v -0.375000 -0.437500 -0.312500
+v -0.437500 -0.437500 0.312500
+v -0.375000 -0.437500 0.312500
+v -0.437500 -0.375000 0.312500
+v -0.437500 -0.375000 -0.312500
+v -0.375000 -0.375000 -0.312500
+v -0.375000 -0.375000 0.312500
+v -0.375000 -0.437500 -0.375000
+v -0.437500 -0.437500 -0.375000
+v -0.437500 -0.437500 0.062500
+v -0.375000 -0.437500 0.062500
+v -0.437500 -0.375000 0.062500
+v -0.375000 -0.375000 0.062500
+v -0.437500 -0.437500 0.062500
+v -0.437500 -0.437500 -0.062500
+v -0.437500 -0.375000 -0.062167
+v -0.437500 -0.437500 -0.061835
+v -0.375000 -0.437500 -0.061835
+v -0.375000 -0.375000 -0.061835
+v -0.375000 0.125000 -0.061835
+v -0.375000 0.125000 0.062500
+v -0.437500 0.125000 0.062500
+v -0.437500 0.125000 -0.062167
+v -0.375000 0.250000 -0.061835
+v -0.375000 0.312500 0.062500
+v -0.437500 0.312500 0.062500
+v -0.437500 0.250000 -0.062167
+v -0.437500 -0.375000 -0.375000
+v -0.375000 -0.375000 -0.375000
+v -0.375000 -0.437500 0.375000
+v -0.437500 -0.437500 0.375000
+v -0.375000 -0.375000 0.375000
+v -0.437500 -0.375000 0.375000
+v -0.375000 -0.312500 0.312500
+v -0.437500 -0.312500 0.312500
+v -0.375000 -0.312500 0.375000
+v -0.437500 -0.312500 0.375000
+v -0.375000 -0.500000 0.312500
+v -0.437500 -0.500000 0.312500
+v -0.375000 -0.500000 0.375000
+v -0.437500 -0.500000 0.375000
+v -0.437500 -0.500000 -0.312500
+v -0.375000 -0.500000 -0.312500
+v -0.437500 -0.500000 -0.375000
+v -0.375000 -0.500000 -0.375000
+v -0.437500 -0.312500 -0.312500
+v -0.375000 -0.312500 -0.312500
+v -0.437500 -0.312500 -0.375000
+v -0.375000 -0.312500 -0.375000
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+vt 0.019231 0.512821
+vt 0.000000 0.538462
+vt 0.000000 0.512821
+vt 0.019231 0.435897
+vt 0.019231 0.564103
+vt 0.038462 0.564103
+vt 0.038462 0.461538
+vt 0.019231 0.487179
+vt 0.038462 0.487179
+vt 0.019231 0.051282
+vt 0.307692 0.487179
+vt 0.307692 0.974359
+vt 0.307692 0.948718
+vt 0.038462 0.487179
+vt 0.307692 0.512821
+vt 0.038462 0.512821
+vt 0.307692 0.564103
+vt 0.307692 0.948718
+vt 0.326923 0.974359
+vt 0.326923 0.948718
+vt 0.307692 0.512821
+vt 0.326923 0.538462
+vt 0.326923 0.512821
+vt 0.307692 0.538462
+vt 0.326923 0.564103
+vt 0.326923 0.564103
+vt 0.346154 0.948718
+vt 0.346154 0.564103
+vt 0.326923 0.538462
+vt 0.346154 0.512821
+vt 0.326923 0.512821
+vt 0.307692 0.435897
+vt 0.326923 0.461538
+vt 0.326923 0.435897
+vt 0.307692 0.564103
+vt 0.326923 0.564103
+vt 0.307692 0.487179
+vt 0.326923 0.461538
+vt 0.307692 0.051282
+vt 0.326923 0.051282
+vt 0.038462 0.564103
+vt 0.307692 0.538462
+vt 0.038462 0.538462
+vt 0.307692 0.512821
+vt 0.038462 0.512821
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+vt 0.019231 0.974359
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+vt 0.000000 0.948718
+vt 0.019231 0.538462
+vt 0.019231 0.461538
+vt 0.019231 0.461538
+vt 0.307692 0.974359
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+vn 0.0000 -0.7071 0.7071
+vn 0.0000 0.7071 0.7071
+vn 0.0000 0.7071 -0.7071
+vn 1.0000 0.0000 0.0000
+vn 0.0000 -0.7071 -0.7071
+vn -1.0000 0.0000 0.0000
+s off
+f 105/286/9 115/287/9 119/288/9
+f 102/289/9 115/287/9 101/290/9
+f 102/291/10 109/292/10 103/293/10
+f 104/294/11 111/295/11 106/296/11
+f 106/297/12 113/298/12 104/294/12
+f 108/299/12 109/300/12 107/301/12
+f 108/302/12 111/303/12 110/304/12
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+f 103/293/11 110/306/11 104/307/11
+f 106/308/13 112/309/13 105/310/13
+f 101/290/9 107/311/9 102/289/9
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+f 116/313/10 103/293/10 117/314/10
+f 106/315/13 128/316/13 114/317/13
+f 118/318/11 103/293/11 104/307/11
+f 123/319/10 116/320/10 117/321/10
+f 125/322/11 118/323/11 120/324/11
+f 127/325/14 120/326/14 118/323/14
+f 123/327/14 122/328/14 121/329/14
+f 125/330/14 122/331/14 124/332/14
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+f 102/289/9 116/347/9 115/287/9
+f 102/291/10 107/348/10 109/292/10
+f 104/294/11 110/349/11 111/295/11
+f 106/297/12 114/350/12 113/298/12
+f 108/299/12 110/351/12 109/300/12
+f 108/302/12 112/352/12 111/303/12
+f 105/286/9 112/353/9 108/305/9
+f 103/293/11 109/292/11 110/306/11
+f 106/308/13 111/354/13 112/309/13
+f 101/290/9 108/305/9 107/311/9
+f 120/312/13 106/315/13 105/286/13
+f 116/313/10 102/291/10 103/293/10
+f 106/315/13 120/312/13 128/316/13
+f 118/318/11 117/314/11 103/293/11
+f 123/319/10 121/355/10 116/320/10
+f 125/322/11 124/356/11 118/323/11
+f 127/325/14 128/357/14 120/326/14
+f 123/327/14 124/358/14 122/328/14
+f 125/330/14 126/359/14 122/331/14
+f 122/333/9 126/360/9 119/334/9
+f 124/336/11 123/319/11 117/321/11
+f 126/338/13 125/361/13 120/339/13
+f 121/340/9 122/333/9 115/335/9
+f 113/342/10 127/362/10 118/343/10
+f 114/344/11 128/363/11 127/345/11

repixture.lua

@@ -0,0 +1,89 @@
+-- Biomes
+cartographer.register_biome("Marsh", {
+    "cartographer_simple_land",
+    "cartographer_colored_land",
+});
+cartographer.register_biome("Swamp", {
+    "cartographer_simple_land",
+    "cartographer_colored_land",
+    "cartographer_colored_land",
+    "cartographer_swamp",
+});
+cartographer.register_biome("Deep Forest", {
+    "cartographer_simple_forest",
+    "cartographer_colored_forest",
+    "cartographer_deep_forest",
+});
+cartographer.register_biome("Forest", {
+    "cartographer_simple_forest",
+    "cartographer_colored_forest",
+    "cartographer_dense_forest",
+});
+cartographer.register_biome("Grove", {
+    "cartographer_simple_forest",
+    "cartographer_colored_forest",
+    "cartographer_grove",
+});
+cartographer.register_biome("Wilderness", {
+    "cartographer_simple_forest",
+    "cartographer_colored_forest",
+});
+cartographer.register_biome("Grassland", {
+    "cartographer_simple_land",
+    "cartographer_colored_land",
+});
+cartographer.register_biome("Orchard", {
+    "cartographer_simple_forest",
+    "cartographer_colored_forest",
+});
+cartographer.register_biome("Chaparral", {
+    "cartographer_simple_land",
+    "cartographer_colored_land",
+    "cartographer_colored_land",
+    "cartographer_chaparral",
+});
+cartographer.register_biome("Savanna", {
+    "cartographer_simple_land",
+    "cartographer_colored_land",
+    "cartographer_colored_land",
+    "cartographer_savanna",
+});
+cartographer.register_biome("Desert", {
+    "cartographer_simple_land",
+    "cartographer_colored_sand",
+    "cartographer_colored_sand",
+});
+cartographer.register_biome("Wasteland", {
+    "cartographer_simple_land",
+    "cartographer_colored_sand",
+    "cartographer_colored_sand",
+    "cartographer_wasteland",
+});
+cartographer.register_biome("Grassland Ocean", {
+    "cartographer_simple_water",
+    "cartographer_colored_water",
+});
+cartographer.register_biome("Gravel Beach", {
+    "cartographer_simple_land",
+    "cartographer_colored_sand",
+    "cartographer_gravel",
+});
+cartographer.register_biome("Savanna Ocean", {
+    "cartographer_simple_water",
+    "cartographer_colored_water",
+});
+
+-- Materials
+cartographer.register_map_material_name("default:paper", "fiber", 5);
+cartographer.register_map_material_name("default:lump_coal", "pigment");
+cartographer.register_map_material_name("default:block_coal", "pigment", 9);
+
+-- Crafting Recipes
+crafting.register_craft({
+    output = "cartographer:simple_table",
+    items = {
+        "default:fiber 2",
+        "default:stick 8",
+        "group:wood 6",
+    },
+});

scanner.lua

@@ -0,0 +1,169 @@
+local CHUNK_SIZE = _cartographer.CHUNK_SIZE;
+
+local function register_mapchunk(x, y, biome)
+    if not data.generated[x] then
+        data.generated[x] = {
+            [y] = biome,
+        };
+    elseif not data.generated[x][y] then
+        data.generated[x][y] = biome;
+    end
+end
+
+local function get_mapgen_biome(min, max, mmin, mmax)
+    local UNDERGROUND = minetest.get_biome_id("underground");
+    local DEFAULT = minetest.get_biome_id("default");
+
+    local biomes = minetest.get_mapgen_object("biomemap");
+
+    local xx = max.x - min.x;
+    local yy = max.y - min.y;
+    local zz = max.z - min.z;
+
+    local xxx = mmax.x - mmin.x;
+    local yyy = mmax.y - mmin.y;
+    local zzz = mmax.z - mmin.z;
+
+    local startx = min.x - mmin.x;
+    local starty = min.y - mmin.y;
+    local startz = min.z - mmin.z;
+    
+    local scan_biomes = {};
+
+    for i = startx,startx + xx,1 do
+        for k = startz,startz + zz,1 do
+            local b = biomes[i + (k * (xxx + 1))]
+            if b ~= nil and b ~= UNDERGROUND and b ~= DEFAULT then
+                scan_biomes[b] = (scan_biomes[b] or 0) + 1;
+            end
+        end
+    end
+
+    local biome = nil;
+    local high = 0;
+    for k,v in pairs(scan_biomes) do
+        if v > high then
+            biome = k;
+            high = v;
+        end
+    end
+
+    return biome;
+end
+
+local function get_biome(min, max)
+    local UNDERGROUND = minetest.get_biome_id("underground");
+    local DEFAULT = minetest.get_biome_id("default");
+    local WATER_SOURCE = minetest.registered_aliases["mapgen_water_source"];
+
+    local xx = max.x - min.x;
+    local yy = max.y - min.y;
+    local zz = max.z - min.z;
+
+    local scan_biomes = {};
+
+    for i = min.x,max.x,1 do
+        for j = min.y,max.y,1 do
+            for k = min.z,max.z,1 do
+                local pos = { x=i, y=j, z=k };
+                local b = minetest.get_biome_data(pos).biome;
+                local node = minetest.get_node(pos).name;
+                if b ~= nil and b ~= UNDERGROUND and b ~= DEFAULT and node ~= "air" and node ~= WATER_SOURCE then
+                    pos.y = pos.y + 1;
+                    node = minetest.get_node(pos).name;
+                    if node == "air" or node == WATER_SOURCE then
+                        scan_biomes[b] = (scan_biomes[b] or 0) + 1;
+                    end
+                end
+            end
+        end
+    end
+
+    local biome = nil;
+    local high = 0;
+    for k,v in pairs(scan_biomes) do
+        if v > high then
+            biome = k;
+            high = v;
+        end
+    end
+
+    return biome;
+end
+
+local function on_generated(min, max, blockseed)
+    local chunk = {
+        x = tochunk(min.x),
+        y = tochunk(min.z),
+    };
+
+    for i = tochunk(min.x),tochunk(max.x),1 do
+        for j = tochunk(min.z),tochunk(max.z),1 do
+
+            local sub_min = {
+                x = i * CHUNK_SIZE,
+                y = min.y,
+                z = j * CHUNK_SIZE,
+            };
+            local sub_max = {
+                x = i * CHUNK_SIZE + CHUNK_SIZE,
+                y = max.y,
+                z = j * CHUNK_SIZE + CHUNK_SIZE,
+            };
+            local biome = get_mapgen_biome(sub_min, sub_max, min, max);
+            if  biome ~= nil then
+                register_mapchunk(i, j, biome)
+            end
+
+        end
+    end
+end
+
+function cartographer.queue_region(pos)
+    local converted = {
+        x = tochunk(pos.x) * CHUNK_SIZE,
+        y = tochunk(pos.y) * CHUNK_SIZE,
+        z = tochunk(pos.z) * CHUNK_SIZE,
+    };
+
+    if data.generated[pos.x] ~= nil and data.generated[pos.x][pos.z] ~= nil then
+        return;
+    end
+
+    for _,queued_pos in ipairs(cartographer.scan_queue) do
+        if vector.equals(converted, queued_pos) then
+            return;
+        end
+    end
+
+    cartographer.scan_queue[#cartographer.scan_queue + 1] = converted;
+end
+
+function cartographer.scan_regions()
+    local len = #cartographer.scan_queue;
+
+    if len == 0 then
+        return;
+    end
+
+    local startpos = cartographer.scan_queue[len];
+    local endpos = {
+        x = startpos.x + CHUNK_SIZE,
+        y = startpos.y + CHUNK_SIZE,
+        z = startpos.z + CHUNK_SIZE,
+    };
+    --vector.add(startpos, CHUNK_SIZE);
+
+    if data.generated[startpos.x] ~= nil and data.generated[startpos.x][startpos.z] ~= nil then
+        return;
+    end
+
+    local biome = get_biome(startpos, endpos);
+    if  biome ~= nil then
+        register_mapchunk(startpos.x / CHUNK_SIZE, startpos.z / CHUNK_SIZE, biome)
+    end
+
+    cartographer.scan_queue[len] = nil;
+end
+
+minetest.register_on_generated(on_generated);

table.lua

@@ -0,0 +1,461 @@
+local SIZE_SMALL = 20;
+local SIZE_LARGE = 40;
+
+local separator = [[
+    formspec_version[3]
+    box[0.1,%f;10.1,0.01;black]
+]];
+
+local function get_material_cost(size, detail)
+    local fiber = 0;
+    local pigment = 0;
+
+    if size == SIZE_SMALL then
+        fiber = fiber + 20;
+        pigment = pigment + 5;
+    elseif size == SIZE_LARGE then
+        fiber = fiber + 80;
+        pigment = pigment + 20;
+    end
+
+    pigment = pigment + (detail * 5);
+
+    return {
+        fiber = math.max(fiber, 0),
+        pigment = math.max(pigment, 0),
+    };
+end
+
+local function get_full_material_cost(meta)
+    local cost = get_material_cost(meta:get_int("size") or SIZE_SMALL, meta:get_int("detail") or 0);
+
+    local stack = meta:get_inventory():get_stack("output", 1);
+    if stack:get_name() == "cartographer:map" then
+
+        local smeta = stack:get_meta();
+
+        local sub_cost = get_material_cost(smeta:get_int("cartographer:size") or SIZE_SMALL, (smeta:get_int("cartographer:detail") or 1) - 1);
+        cost.fiber = math.max(cost.fiber - sub_cost.fiber, 0);
+        cost.pigment = math.max(cost.pigment - sub_cost.pigment, 0);
+    end
+
+    return cost;
+end
+
+local fs = {};
+
+function fs.header(w, h, rank, tab)
+    local data = [[
+        formspec_version[3]
+        size[%f,%f]
+    ]];
+    data = data:format(w, h);
+
+    if rank < 2 then
+        data = data .. "tabheader[0,0;tabs;Materials,Create Map;%d;false;false]";
+        data = data:format(tab);
+    else
+        data = data .. "tabheader[0,0;tabs;Materials,Create Map,Copy Map;%d;false;false]";
+        data = data:format(tab);
+    end
+
+    return data;
+end
+
+function fs.materials(x, y, rank, meta)
+    local fiber = meta:get_int("fiber");
+    local pigment = meta:get_int("pigment");
+
+    local data = [[
+    container[%f,%f]
+        formspec_version[3]
+        label[0,0.25;Fiber x %d]
+        label[3,0.25;Pigment x %d]
+    ]];
+    data = data:format(x, y, fiber, pigment);
+
+    if rank > 1 then
+        data = data .. "label[6,0.25;Stuff x %d]";
+        data = data:format(0);
+
+        if rank > 2 then
+            data = data .. "label[9,0.25;Things x %d]";
+            data = data:format(0);
+        end
+    end
+
+    return data .. "container_end[]";
+end
+
+function fs.cost(x, y, materials)
+    local data = "";
+    local i = 0;
+    for name,value in pairs(materials) do
+        data = data .. "label[" .. tostring(x) .. "," .. tostring(y + (i * 0.25)) .. ";" .. name .. " x " .. tostring(value) .. "]";
+        i = i + 1;
+    end
+
+    return data;
+end
+
+function fs.convert(x, y, pos)
+    local data = [[
+    container[%f,%f]
+        formspec_version[3]
+        list[nodemeta:%d,%d,%d;input;0,0;1,1;]
+        button[3.5,0.25;2,0.5;convert;Convert Materials]
+    ]];
+    data = data:format(x, y, pos.x, pos.y, pos.z);
+    data = data .. fs.cost(1.25, 0.25, {
+        Fiber = 0,
+        Pigment = 0,
+    }) .. "container_end[]";
+
+    return data;
+end
+
+function fs.craft(x, y, pos, rank, meta)
+    local data = [[
+    container[%f, %f]
+        formspec_version[3]
+        list[nodemeta:%d,%d,%d;output;0,1;1,1;]
+        button[3.5,1.5;2,0.5;craft;Craft Map]
+    ]] .. separator:format(0.75);
+    data = data:format(x, y, pos.x, pos.y, pos.z);
+
+    if rank > 2 then
+        local size = "s";
+        if meta:get_int("size") == SIZE_LARGE then
+            size = "l";
+        end
+
+        data = data .. [[
+            style[%s;bgcolor=blue]
+            button[0,0;0.5,0.5;s;S]
+            button[0.5,0;0.5,0.5;l;L]
+        ]];
+        data = data:format(size);
+    end
+
+    local detail = tostring(meta:get_int("detail") + 1);
+    data = data .. [[
+        style[%s;bgcolor=blue]
+        button[1.25,0;0.5,0.5;1;1]
+        button[1.75,0;0.5,0.5;2;2]
+    ]];
+    if rank > 1 then
+        data = data .. "button[2.25,0;0.5,0.5;3;3]";
+        if rank > 2 then
+            data = data .. "button[2.75,0;0.5,0.5;4;4]";
+        end
+    end
+    data = data:format(detail) .. fs.cost(3.5, 1, get_full_material_cost(meta)) .. "container_end[]";
+
+    return data;
+end
+
+function fs.copy(x, y, pos)
+    local data = [[
+    container[%f,%f]
+        formspec_version[3]
+        list[nodemeta:%d,%d,%d;copy_input;0,0;1,1;]
+        list[nodemeta:%d,%d,%d;copy_output;0,1.25;1,1;]
+        button[3.5,0.25;2,0.5;copy;Copy Map]
+    ]];
+    data = data:format(x, y, pos.x, pos.y, pos.z, pos.x, pos.y, pos.z);
+    data = data .. fs.cost(1.25, 0.25, {
+        Fiber = 0,
+        Pigment = 0,
+    }) .. "container_end[]";
+
+    return data;
+end
+
+function fs.inv(x, y)
+    local data = [[
+    container[%f, %f]
+        formspec_version[3]
+        list[current_player;main;0,0;8,4;]
+    container_end[]
+    ]];
+
+    return data:format(x, y)
+end
+
+local player_tables = {};
+
+local function table_formspec(player, tab)
+    local pos = player_tables[player];
+    local meta = minetest.get_meta(pos);
+
+    local rank = 1;
+    local name = minetest.get_node(pos).name;
+    if name == "cartographer:standard_table" then
+        rank = 2;
+    elseif name == "cartographer:advanced_table" then
+        rank = 3;
+    end
+
+    if tab == 1 then
+        minetest.show_formspec(player, "simple_table",
+            fs.header(10.25, 6.75, rank, tab) ..
+            fs.materials(0.25, 0, rank, meta) ..
+            separator:format(0.4) ..
+            fs.convert(0.25, 0.5, pos) ..
+            fs.inv(0.25, 1.75)
+            );
+    elseif tab == 2 then
+        minetest.show_formspec(player, "simple_table",
+            fs.header(10.25, 8.0, rank, tab) ..
+            fs.materials(0.25, 0, rank, meta) ..
+            separator:format(0.4) ..
+            fs.craft(0.25, 0.5, pos, rank, meta) ..
+            fs.inv(0.25, 3)
+            );
+    elseif tab == 3 then
+        minetest.show_formspec(player, "simple_table",
+            fs.header(10.25, 8.0, rank, tab) ..
+            fs.materials(0.25, 0, rank, meta) ..
+            separator:format(0.4) ..
+            fs.copy(0.25, 0.5, pos) ..
+            fs.inv(0.25, 3)
+            );
+    end
+end
+
+minetest.register_on_player_receive_fields(function(player, name, fields)
+    if name == "simple_table" then
+        minetest.chat_send_all(name..": ");
+        for k,v in pairs(fields) do
+            minetest.chat_send_all(tostring(k).." - "..tostring(v));
+        end
+
+        local meta = minetest.get_meta(player_tables[player:get_player_name()]);
+
+        if fields["convert"] ~= nil then
+            local inv = meta:get_inventory();
+            local stack = inv:get_stack("input", 1);
+
+            local fiber = meta:get_int("fiber");
+            local pigment = meta:get_int("pigment");
+
+            local item_name = stack:get_name();
+            local item_count = stack:get_count();
+            local found_match = false;
+
+            for name,mats in pairs(_cartographer.materials_by_name) do
+                if name == item_name then
+                    fiber = fiber + ((mats.fiber or 0) * item_count);
+                    pigment = pigment + ((mats.pigment or 0) * item_count);
+                    found_match = true;
+                    break;
+                end
+            end
+
+            if not found_match then
+                for group,mats in pairs(_cartographer.materials_by_group) do
+                    if minetest.get_item_group(item_name, group) ~= 0 then
+                        fiber = fiber + ((mats.fiber or 0) * item_count);
+                        pigment = pigment + ((mats.pigment or 0) * item_count);
+                        found_match = true;
+                        break;
+                    end
+                end
+            end
+
+            if found_match then
+                inv:set_stack("input", 1, ItemStack());
+            end 
+
+            meta:set_int("fiber", fiber);
+            meta:set_int("pigment", pigment);
+
+            table_formspec(player:get_player_name(), 1)
+        elseif fields["craft"] ~= nil then
+            local size = meta:get_int("size");
+            local detail = meta:get_int("detail");
+            local fiber = meta:get_int("fiber");
+            local pigment = meta:get_int("pigment");
+
+
+            local inv = meta:get_inventory();
+            local stack = inv:get_stack("output", 1);
+
+            local cost = get_full_material_cost(meta);
+
+            if stack:is_empty() then
+                if fiber >= cost.fiber and pigment >= cost.pigment then
+                    fiber = fiber - cost.fiber;
+                    pigment = pigment - cost.pigment;
+                    meta:set_int("fiber", fiber);
+                    meta:set_int("pigment", pigment);
+
+                    inv:set_stack("output", 1, cartographer.create_map_item(size, 1 + detail));
+                end
+            else
+                local smeta = stack:get_meta();
+                local old_size = smeta:get_int("cartographer:size");
+                local old_detail = smeta:get_int("cartographer:detail") - 1;
+                if old_detail <= detail and old_size <= size and not (old_detail == detail and old_size == size) and fiber >= cost.fiber and pigment >= cost.pigment then
+                    fiber = fiber - cost.fiber;
+                    pigment = pigment - cost.pigment;
+                    meta:set_int("fiber", fiber);
+                    meta:set_int("pigment", pigment);
+
+                    smeta:set_int("cartographer:detail", 1 + detail);
+                    cartographer.resize_map_item(smeta, size);
+
+                    local map = cartographer.get_map(smeta:get_int("cartographer:map_id"));
+                    if map ~= nil then
+                        map.detail = 1 + detail;
+                    end
+                    inv:set_stack("output", 1, stack);
+                end
+            end
+
+            table_formspec(player:get_player_name(), 2)
+        elseif fields["copy"] ~= nil then
+            local fiber = meta:get_int("fiber");
+            local pigment = meta:get_int("pigment");
+
+            local inv = meta:get_inventory();
+            local in_stack = inv:get_stack("copy_input", 1);
+            local out_stack = inv:get_stack("copy_output", 1);
+
+
+            if out_stack:is_empty() and in_stack:get_name() == "cartographer:map" then
+                local smeta = in_stack:get_meta();
+                local size = smeta:get_int("cartographer:size") or SIZE_SMALL;
+                local detail = smeta:get_int("cartographer:detail") or 1;
+                local cost = get_material_cost(size, detail - 1);
+
+                if fiber >= cost.fiber and pigment >= cost.pigment then
+                    fiber = fiber - cost.fiber;
+                    pigment = pigment - cost.pigment;
+                    meta:set_int("fiber", fiber);
+                    meta:set_int("pigment", pigment);
+
+                    inv:set_stack("copy_output", 1, cartographer.copy_map_item(in_stack));
+                end
+
+            end
+
+            table_formspec(player:get_player_name(), 3)
+        elseif fields["s"] ~= nil then
+            meta:set_int("size", SIZE_SMALL);
+            table_formspec(player:get_player_name(), 2)
+        elseif fields["l"] ~= nil then
+            meta:set_int("size", SIZE_LARGE);
+            table_formspec(player:get_player_name(), 2)
+        elseif fields["1"] ~= nil then
+            meta:set_int("detail", 0);
+            table_formspec(player:get_player_name(), 2)
+        elseif fields["2"] ~= nil then
+            meta:set_int("detail", 1);
+            table_formspec(player:get_player_name(), 2)
+        elseif fields["3"] ~= nil then
+            meta:set_int("detail", 2);
+            table_formspec(player:get_player_name(), 2)
+        elseif fields["4"] ~= nil then
+            meta:set_int("detail", 3);
+            table_formspec(player:get_player_name(), 2)
+        elseif fields["tabs"] ~= nil then
+            table_formspec(player:get_player_name(), tonumber(fields["tabs"]));
+        end
+    end
+end);
+
+minetest.register_node("cartographer:simple_table", {
+    description = "Shabby Cartographer's Table",
+    drawtype = "mesh",
+    mesh = "cartographer_simple_table.obj",
+    tiles = { "cartographer_simple_table.png" },
+    paramtype2 = "facedir",
+    groups = {
+        choppy = 2,
+        oddly_breakable_by_hand = 2,
+    },
+    on_rightclick = function(pos, node, player, itemstack, pointed_thing)
+        player_tables[player:get_player_name()] = minetest.get_pointed_thing_position(pointed_thing);
+        table_formspec(player:get_player_name(), 1)
+    end,
+
+    after_place_node = function(pos, placer)
+        local meta = minetest.get_meta(pos);
+        meta:get_inventory():set_size("input", 1);
+        meta:get_inventory():set_size("output", 1);
+
+        meta:set_int("size", SIZE_SMALL);
+        meta:set_int("detail", 0);
+
+        return res;
+    end,
+});
+
+minetest.register_node("cartographer:standard_table", {
+    groups = {
+        choppy = 2,
+        oddly_breakable_by_hand = 2,
+    },
+    on_rightclick = function(pos, node, player, itemstack, pointed_thing)
+        player_tables[player:get_player_name()] = minetest.get_pointed_thing_position(pointed_thing);
+        table_formspec(player:get_player_name(), 1)
+    end,
+
+    after_place_node = function(pos, placer)
+        local meta = minetest.get_meta(pos);
+        meta:get_inventory():set_size("input", 1);
+        meta:get_inventory():set_size("output", 1);
+        meta:get_inventory():set_size("copy_input", 1);
+        meta:get_inventory():set_size("copy_output", 1);
+
+        meta:set_int("size", SIZE_SMALL);
+        meta:set_int("detail", 0);
+
+        return res;
+    end,
+});
+
+minetest.register_node("cartographer:advanced_table", {
+    groups = {
+        choppy = 2,
+        oddly_breakable_by_hand = 2,
+    },
+    on_rightclick = function(pos, node, player, itemstack, pointed_thing)
+        player_tables[player:get_player_name()] = minetest.get_pointed_thing_position(pointed_thing);
+        table_formspec(player:get_player_name(), 1)
+    end,
+
+    after_place_node = function(pos, placer)
+        local meta = minetest.get_meta(pos);
+        meta:get_inventory():set_size("input", 1);
+        meta:get_inventory():set_size("output", 1);
+        meta:get_inventory():set_size("copy_input", 1);
+        meta:get_inventory():set_size("copy_output", 1);
+
+        meta:set_int("size", SIZE_SMALL);
+        meta:set_int("detail", 0);
+
+        return res;
+    end,
+});
+
+function cartographer.register_map_material_name(name, material, value)
+    if _cartographer.materials_by_name[name] == nil then
+        _cartographer.materials_by_name[name] = {
+            [material] = value or 1,
+        };
+    else
+        _cartographer.materials_by_name[name][material] = value;
+    end
+end
+
+function cartographer.register_map_material_group(name, material, value)
+    if _cartographer.materials_by_group[name] == nil then
+        _cartographer.materials_by_group[name] = {
+            [material] = value or 1,
+        };
+    else
+        _cartographer.materials_by_group[name][material] = value;
+    end
+end