diff --git a/doc/en/scripting/builtins/libinventory.md b/doc/en/scripting/builtins/libinventory.md
index 344840f1..ccb7be20 100644
--- a/doc/en/scripting/builtins/libinventory.md
+++ b/doc/en/scripting/builtins/libinventory.md
@@ -55,8 +55,21 @@ inventory.create(size: int) -> int
 -- Create inventory copy. Returns the created copy ID.
 inventory.clone(invid: int) -> int
 
--- Move item from slotA of invA to slotB of invB. 
+-- Move an item from slotA of invA to slotB of invB. 
 -- invA may be the same as invB.
 -- If slotB will be chosen automaticly if argument is not specified.
+-- The move may be incomplete if the available slot has no enough stack space.
 inventory.move(invA: int, slotA: int, invB: int, slotB: int)
+
+-- Moves an item from slotA of inventory invA to a suitable slot(s)
+-- in the specified range of inventory invB.
+-- invA may be the same as invB.
+-- The move may be incomplete if the available slots are filled.
+inventory.move(
+    invA: int, 
+    slotA: int, 
+    invB: int, 
+    rangeBegin: int, 
+    [optional] rangeEnd: int
+)
 ```
diff --git a/doc/ru/scripting/builtins/libinventory.md b/doc/ru/scripting/builtins/libinventory.md
index 01ecc5cc..7f3cf26e 100644
--- a/doc/ru/scripting/builtins/libinventory.md
+++ b/doc/ru/scripting/builtins/libinventory.md
@@ -66,5 +66,20 @@ inventory.clone(invid: int) -> int
 -- Перемещает предмет из slotA инвентаря invA в slotB инвентаря invB.
 -- invA и invB могут указывать на один инвентарь.
 -- slotB будет выбран автоматически, если не указывать явно.
+-- Перемещение может быть неполным, если стек слота заполнится.
 inventory.move(invA: int, slotA: int, invB: int, slotB: int)
+
+-- Перемещает предмет из slotA инвентаря invA в подходящий слот, находящийся в
+-- указанном отрезке инвентаря invB.
+-- invA и invB могут указывать на один инвентарь.
+-- rangeBegin - начало отрезка.
+-- rangeEnd - конец отрезка.
+-- Перемещение может быть неполным, если доступные слоты будут заполнены.
+inventory.move_range(
+    invA: int, 
+    slotA: int, 
+    invB: int, 
+    rangeBegin: int, 
+    [опционально] rangeEnd: int
+)
 ```
diff --git a/res/content/base/blocks/bazalt.json b/res/content/base/blocks/bazalt.json
index 94afd36e..bb941a81 100644
--- a/res/content/base/blocks/bazalt.json
+++ b/res/content/base/blocks/bazalt.json
@@ -1,4 +1,4 @@
 {
     "texture": "bazalt",
     "breakable": false
-}
\ No newline at end of file
+}
diff --git a/res/content/base/blocks/blue_lamp.json b/res/content/base/blocks/blue_lamp.json
index cfded63b..88437145 100644
--- a/res/content/base/blocks/blue_lamp.json
+++ b/res/content/base/blocks/blue_lamp.json
@@ -2,5 +2,6 @@
     "texture": "blue_lamp",
     "emission": [0, 0, 15],
     "shadeless": true,
-    "material": "base:glass"
+    "material": "base:glass",
+    "base:durability": 0.3
 }
diff --git a/res/content/base/blocks/brick.json b/res/content/base/blocks/brick.json
index e20d9e1d..3b4ecabf 100644
--- a/res/content/base/blocks/brick.json
+++ b/res/content/base/blocks/brick.json
@@ -1,3 +1,4 @@
 {
-    "texture": "brick"
-}
\ No newline at end of file
+    "texture": "brick",
+    "base:durability": 10.5
+}
diff --git a/res/content/base/blocks/coal_ore.json b/res/content/base/blocks/coal_ore.json
index 23c050c6..c73998ec 100644
--- a/res/content/base/blocks/coal_ore.json
+++ b/res/content/base/blocks/coal_ore.json
@@ -1,3 +1,4 @@
 {
-    "texture": "coal_ore"
+    "texture": "coal_ore",
+    "base:durability": 16.0
 }
diff --git a/res/content/base/blocks/dirt.json b/res/content/base/blocks/dirt.json
index 81453c4b..ff512254 100644
--- a/res/content/base/blocks/dirt.json
+++ b/res/content/base/blocks/dirt.json
@@ -1,5 +1,6 @@
 {
     "texture": "dirt",
     "material": "base:ground",
-    "surface-replacement": "base:grass_block"
+    "surface-replacement": "base:grass_block",
+    "base:durability": 1.0
 }
diff --git a/res/content/base/blocks/flower.json b/res/content/base/blocks/flower.json
index db0609f8..94c06903 100644
--- a/res/content/base/blocks/flower.json
+++ b/res/content/base/blocks/flower.json
@@ -7,5 +7,6 @@
     "replaceable": true,
     "grounded": true,
     "model": "X",
-    "hitbox": [0.15, 0.0, 0.15, 0.7, 0.7, 0.7]
+    "hitbox": [0.15, 0.0, 0.15, 0.7, 0.7, 0.7],
+    "base:durability": 0.0
 }
diff --git a/res/content/base/blocks/glass.json b/res/content/base/blocks/glass.json
index 9bd4f021..77f1e3f7 100644
--- a/res/content/base/blocks/glass.json
+++ b/res/content/base/blocks/glass.json
@@ -4,5 +4,6 @@
     "draw-group": 2,
     "light-passing": true,
     "sky-light-passing": true,
-    "translucent": true
+    "translucent": true,
+    "base:durability": 0.36
 }
diff --git a/res/content/base/blocks/grass.json b/res/content/base/blocks/grass.json
index 59388ee5..7308d1a1 100644
--- a/res/content/base/blocks/grass.json
+++ b/res/content/base/blocks/grass.json
@@ -8,5 +8,6 @@
     "replaceable": true,
     "grounded": true,
     "model": "X",
-    "hitbox": [0.15, 0.0, 0.15, 0.7, 0.7, 0.7]
+    "hitbox": [0.15, 0.0, 0.15, 0.7, 0.7, 0.7],
+    "base:durability": 0.0
 }
diff --git a/res/content/base/blocks/grass_block.json b/res/content/base/blocks/grass_block.json
index c0f6fa48..a6087afc 100644
--- a/res/content/base/blocks/grass_block.json
+++ b/res/content/base/blocks/grass_block.json
@@ -7,5 +7,6 @@
         "grass_top",
         "grass_side",
         "grass_side"
-    ]
-}
\ No newline at end of file
+    ],
+    "base:durability": 1.3
+}
diff --git a/res/content/base/blocks/green_lamp.json b/res/content/base/blocks/green_lamp.json
index 55264976..b28cae0d 100644
--- a/res/content/base/blocks/green_lamp.json
+++ b/res/content/base/blocks/green_lamp.json
@@ -2,5 +2,6 @@
     "texture": "green_lamp",
     "emission": [0, 15, 0],
     "shadeless": true,
-    "material": "base:glass"
+    "material": "base:glass",
+    "base:durability": 0.3
 }
diff --git a/res/content/base/blocks/ice.json b/res/content/base/blocks/ice.json
index 19d9af12..c25c12d3 100644
--- a/res/content/base/blocks/ice.json
+++ b/res/content/base/blocks/ice.json
@@ -3,5 +3,6 @@
     "material": "base:glass",
     "draw-group": 4,
     "light-passing": true,
-    "translucent": true
+    "translucent": true,
+    "base:durability": 0.3
 }
diff --git a/res/content/base/blocks/lamp.json b/res/content/base/blocks/lamp.json
index 7d79c1a1..4a1f1ce7 100644
--- a/res/content/base/blocks/lamp.json
+++ b/res/content/base/blocks/lamp.json
@@ -1,5 +1,6 @@
 {
     "texture": "lamp",
     "emission": [15, 14, 13],
-    "shadeless": true
+    "shadeless": true,
+    "base:durability": 0.3
 }
diff --git a/res/content/base/blocks/leaves.json b/res/content/base/blocks/leaves.json
index d8731480..cdf9f014 100644
--- a/res/content/base/blocks/leaves.json
+++ b/res/content/base/blocks/leaves.json
@@ -1,4 +1,5 @@
 {
     "texture": "leaves",
-    "material": "base:grass"
-}
\ No newline at end of file
+    "material": "base:grass",
+    "base:durability": 0.7
+}
diff --git a/res/content/base/blocks/lightbulb.json b/res/content/base/blocks/lightbulb.json
index 7a1ca235..ae06aeab 100644
--- a/res/content/base/blocks/lightbulb.json
+++ b/res/content/base/blocks/lightbulb.json
@@ -8,5 +8,6 @@
     "light-passing": true,
     "sky-light-passing": true,
     "shadeless": true,
-    "material": "base:glass"
+    "material": "base:glass",
+    "base:durability": 0.2
 }
diff --git a/res/content/base/blocks/metal.json b/res/content/base/blocks/metal.json
index c52d79a2..40542be1 100644
--- a/res/content/base/blocks/metal.json
+++ b/res/content/base/blocks/metal.json
@@ -1,4 +1,5 @@
 {
     "texture": "metal",
-    "material": "base:metal"
+    "material": "base:metal",
+    "base:durability": 10.0
 }
diff --git a/res/content/base/blocks/pane.json b/res/content/base/blocks/pane.json
index 0eebec49..f3dcf93a 100644
--- a/res/content/base/blocks/pane.json
+++ b/res/content/base/blocks/pane.json
@@ -12,5 +12,6 @@
     "hitbox": [0.0, 0.0, 0.0, 1.0, 1.0, 0.2],
     "light-passing": true,
     "sky-light-passing": true,
-    "rotation": "pane"
+    "rotation": "pane",
+    "base:durability": 2.5
 }
diff --git a/res/content/base/blocks/pipe.json b/res/content/base/blocks/pipe.json
index ad297987..b3eb2f25 100644
--- a/res/content/base/blocks/pipe.json
+++ b/res/content/base/blocks/pipe.json
@@ -11,5 +11,6 @@
     "hitbox": [0.25, 0.0, 0.25, 0.5, 1.0, 0.5],
     "light-passing": true,
     "rotation": "pipe",
-    "material": "base:metal"
+    "material": "base:metal",
+    "base:durability": 4.7
 }
diff --git a/res/content/base/blocks/planks.json b/res/content/base/blocks/planks.json
index 508fac23..28e80486 100644
--- a/res/content/base/blocks/planks.json
+++ b/res/content/base/blocks/planks.json
@@ -1,4 +1,5 @@
 {
     "texture": "planks",
-    "material": "base:wood"
-}
\ No newline at end of file
+    "material": "base:wood",
+    "base:durability": 5.0
+}
diff --git a/res/content/base/blocks/red_lamp.json b/res/content/base/blocks/red_lamp.json
index 06617a21..ab1a6d15 100644
--- a/res/content/base/blocks/red_lamp.json
+++ b/res/content/base/blocks/red_lamp.json
@@ -2,5 +2,6 @@
     "texture": "red_lamp",
     "emission": [15, 0, 0],
     "shadeless": true,
-    "material": "base:glass"
+    "material": "base:glass",
+    "base:durability": 0.3
 }
diff --git a/res/content/base/blocks/rust.json b/res/content/base/blocks/rust.json
index 90e19363..20a8e684 100644
--- a/res/content/base/blocks/rust.json
+++ b/res/content/base/blocks/rust.json
@@ -1,4 +1,5 @@
 {
     "texture": "rust",
-    "material": "base:metal"
+    "material": "base:metal",
+    "base:durability": 6.6
 }
diff --git a/res/content/base/blocks/sand.json b/res/content/base/blocks/sand.json
index 08a7d4f4..97b4cd02 100644
--- a/res/content/base/blocks/sand.json
+++ b/res/content/base/blocks/sand.json
@@ -1,4 +1,5 @@
 {
     "texture": "sand",
-    "material": "base:sand"
-}
\ No newline at end of file
+    "material": "base:sand",
+    "base:durability": 0.7
+}
diff --git a/res/content/base/blocks/stone.json b/res/content/base/blocks/stone.json
index 3fab36ef..3bd8f6c8 100644
--- a/res/content/base/blocks/stone.json
+++ b/res/content/base/blocks/stone.json
@@ -1,3 +1,4 @@
 {
-    "texture": "stone"
-}
\ No newline at end of file
+    "texture": "stone",
+    "base:durability": 12.0
+}
diff --git a/res/content/base/blocks/torch.json b/res/content/base/blocks/torch.json
index 47f02790..cf26bfec 100644
--- a/res/content/base/blocks/torch.json
+++ b/res/content/base/blocks/torch.json
@@ -31,5 +31,6 @@
             "particles:smoke_0",
             "particles:smoke_1"
         ]
-    }
+    },
+    "base:durability": 0.1
 }
diff --git a/res/content/base/blocks/wood.json b/res/content/base/blocks/wood.json
index db77a6bc..0719e060 100644
--- a/res/content/base/blocks/wood.json
+++ b/res/content/base/blocks/wood.json
@@ -8,5 +8,6 @@
         "wood",
         "wood"
     ],
-    "rotation": "pipe"
-}
\ No newline at end of file
+    "rotation": "pipe",
+    "base:durability": 6.0
+}
diff --git a/res/content/base/blocks/wooden_door.json b/res/content/base/blocks/wooden_door.json
index 59d192b5..8b2103bc 100644
--- a/res/content/base/blocks/wooden_door.json
+++ b/res/content/base/blocks/wooden_door.json
@@ -14,5 +14,6 @@
     "rotation": "pane",
     "model": "aabb",
     "hitbox": [0.0, 0.0, 0.8, 1.0, 2.0, 0.2],
-    "ambient-occlusion": false
+    "ambient-occlusion": false,
+    "base:durability": 5.9
 }
diff --git a/res/content/base/config/user-props.toml b/res/content/base/config/user-props.toml
new file mode 100644
index 00000000..b7306ba1
--- /dev/null
+++ b/res/content/base/config/user-props.toml
@@ -0,0 +1 @@
+"base:durability" = {}
diff --git a/res/content/base/entities/drop.json b/res/content/base/entities/drop.json
index 9577eb7e..4c5e064f 100644
--- a/res/content/base/entities/drop.json
+++ b/res/content/base/entities/drop.json
@@ -4,7 +4,7 @@
     ],
     "hitbox": [0.4, 0.25, 0.4],
     "sensors": [
-        ["aabb", -0.2, -0.2, -0.2, 0.2, 0.2, 0.2],
+        ["radius", 0.3],
         ["radius", 1.6]
     ],
     "blocking": false
diff --git a/res/content/base/modules/util.lua b/res/content/base/modules/util.lua
new file mode 100644
index 00000000..a4519b53
--- /dev/null
+++ b/res/content/base/modules/util.lua
@@ -0,0 +1,11 @@
+local base_entities = {}
+
+function base_entities.drop(ppos, itemid, count, pickup_delay)
+    return entities.spawn("base:drop", ppos, {base__drop={
+        id=itemid,
+        count=count,
+        pickup_delay=pickup_delay
+    }})
+end
+
+return base_entities
diff --git a/res/content/base/scripts/components/drop.lua b/res/content/base/scripts/components/drop.lua
index 195c5270..12e16265 100644
--- a/res/content/base/scripts/components/drop.lua
+++ b/res/content/base/scripts/components/drop.lua
@@ -3,10 +3,13 @@ local body = entity.rigidbody
 local rig = entity.skeleton
 
 inair = true
-ready = false
 target = -1
+timer = 0.3
 
 local dropitem = ARGS
+if dropitem then 
+    timer = dropitem.pickup_delay or timer
+end
 if SAVED_DATA.item then
     dropitem.id = item.index(SAVED_DATA.item)
     dropitem.count = SAVED_DATA.count
@@ -40,7 +43,6 @@ function on_grounded(force)
     mat4.scale(matrix, scale, matrix)
     rig:set_matrix(0, matrix)
     inair = false
-    ready = true
 end
 
 function on_fall()
@@ -50,12 +52,12 @@ end
 function on_sensor_enter(index, oid)
     local playerid = hud.get_player()
     local playerentity = player.get_entity(playerid)
-    if ready and oid == playerentity and index == 0 then
+    if timer < 0.0 and oid == playerentity and index == 0 then
         entity:despawn()
         inventory.add(player.get_inventory(playerid), dropitem.id, dropitem.count)
         audio.play_sound_2d("events/pickup", 0.5, 0.8+math.random()*0.4, "regular")
     end
-    if index == 1 and ready and oid == playerentity then
+    if index == 1 and oid == playerentity then
         target = oid
     end
 end
@@ -80,8 +82,12 @@ function on_render()
     end
 end
 
-function on_update()
+function on_update(tps)
+    timer = timer - 1.0/tps
     if target ~= -1 then
+        if timer > 0.0 then
+            return
+        end
         local dir = vec3.sub(entities.get(target).transform:get_pos(), tsf:get_pos())
         vec3.normalize(dir, dir)
         vec3.mul(dir, 10.0, dir)
diff --git a/res/content/base/scripts/hud.lua b/res/content/base/scripts/hud.lua
index 694ff847..31125631 100644
--- a/res/content/base/scripts/hud.lua
+++ b/res/content/base/scripts/hud.lua
@@ -1,3 +1,5 @@
+local base_util = require "util"
+
 local DROP_FORCE = 8
 local DROP_INIT_VEL = {0, 3, 0}
 
@@ -17,10 +19,7 @@ function on_hud_open()
         local pvel = {player.get_vel(pid)}
         local ppos = vec3.add({player.get_pos(pid)}, {0, 0.7, 0})
         local throw_force = vec3.mul(player.get_dir(pid), DROP_FORCE)
-        local drop = entities.spawn("base:drop", ppos, {base__drop={
-            id=itemid,
-            count=1
-        }})
+        local drop = base_util.drop(ppos, itemid, 1, 1.5)
         local velocity = vec3.add(throw_force, vec3.add(pvel, DROP_INIT_VEL))
         drop.rigidbody:set_vel(velocity)
     end)
diff --git a/res/content/base/textures/blocks/grass.png b/res/content/base/textures/blocks/grass.png
index d43769ca..98dbda01 100644
Binary files a/res/content/base/textures/blocks/grass.png and b/res/content/base/textures/blocks/grass.png differ
diff --git a/res/content/base/textures/cracks/cracks_0.png b/res/content/base/textures/cracks/cracks_0.png
index 84d56c43..b8dd094e 100644
Binary files a/res/content/base/textures/cracks/cracks_0.png and b/res/content/base/textures/cracks/cracks_0.png differ
diff --git a/res/content/base/textures/cracks/cracks_1.png b/res/content/base/textures/cracks/cracks_1.png
index 40bd0ce8..8d0eacb8 100644
Binary files a/res/content/base/textures/cracks/cracks_1.png and b/res/content/base/textures/cracks/cracks_1.png differ
diff --git a/res/content/base/textures/cracks/cracks_10.png b/res/content/base/textures/cracks/cracks_10.png
index 8253dd6d..3fccd3a2 100644
Binary files a/res/content/base/textures/cracks/cracks_10.png and b/res/content/base/textures/cracks/cracks_10.png differ
diff --git a/res/content/base/textures/cracks/cracks_2.png b/res/content/base/textures/cracks/cracks_2.png
index d13052d2..dcfba20d 100644
Binary files a/res/content/base/textures/cracks/cracks_2.png and b/res/content/base/textures/cracks/cracks_2.png differ
diff --git a/res/content/base/textures/cracks/cracks_3.png b/res/content/base/textures/cracks/cracks_3.png
index 40275992..cfb98594 100644
Binary files a/res/content/base/textures/cracks/cracks_3.png and b/res/content/base/textures/cracks/cracks_3.png differ
diff --git a/res/content/base/textures/cracks/cracks_4.png b/res/content/base/textures/cracks/cracks_4.png
index ced0d189..efd9e4ab 100644
Binary files a/res/content/base/textures/cracks/cracks_4.png and b/res/content/base/textures/cracks/cracks_4.png differ
diff --git a/res/content/base/textures/cracks/cracks_5.png b/res/content/base/textures/cracks/cracks_5.png
index 3db95bf4..bbe1a6c6 100644
Binary files a/res/content/base/textures/cracks/cracks_5.png and b/res/content/base/textures/cracks/cracks_5.png differ
diff --git a/res/content/base/textures/cracks/cracks_6.png b/res/content/base/textures/cracks/cracks_6.png
index 1eda5a64..29c14e6b 100644
Binary files a/res/content/base/textures/cracks/cracks_6.png and b/res/content/base/textures/cracks/cracks_6.png differ
diff --git a/res/content/base/textures/cracks/cracks_7.png b/res/content/base/textures/cracks/cracks_7.png
index a9b9092d..0b3ca2d1 100644
Binary files a/res/content/base/textures/cracks/cracks_7.png and b/res/content/base/textures/cracks/cracks_7.png differ
diff --git a/res/content/base/textures/cracks/cracks_8.png b/res/content/base/textures/cracks/cracks_8.png
index 79669ab1..cb22e506 100644
Binary files a/res/content/base/textures/cracks/cracks_8.png and b/res/content/base/textures/cracks/cracks_8.png differ
diff --git a/res/content/base/textures/cracks/cracks_9.png b/res/content/base/textures/cracks/cracks_9.png
index 18eb1a53..5ff395d6 100644
Binary files a/res/content/base/textures/cracks/cracks_9.png and b/res/content/base/textures/cracks/cracks_9.png differ
diff --git a/res/layouts/inventory.xml.lua b/res/layouts/inventory.xml.lua
index c2280f15..9f836223 100644
--- a/res/layouts/inventory.xml.lua
+++ b/res/layouts/inventory.xml.lua
@@ -2,7 +2,11 @@ function inventory_share_func(invid, slotid)
     local blockinv = hud.get_block_inventory()
     if blockinv ~= 0 then
         inventory.move(invid, slotid, blockinv)
-    else
+    elseif rules.get("allow-content-access") then
         inventory.set(invid, slotid, 0, 0)
+    elseif slotid < 10 then
+        inventory.move_range(invid, slotid, invid, 10)
+    else
+        inventory.move_range(invid, slotid, invid, 0, 9)
     end
 end
diff --git a/res/scripts/post_content.lua b/res/scripts/post_content.lua
new file mode 100644
index 00000000..56d66a5c
--- /dev/null
+++ b/res/scripts/post_content.lua
@@ -0,0 +1,27 @@
+local user_props = file.read_combined_object("config/user-props.toml")
+local names = {}
+for name, _ in pairs(user_props) do
+    table.insert(names, name)
+end
+-- remove undefined properties
+for id, blockprops in pairs(block.properties) do
+    for propname, value in pairs(blockprops) do
+        if propname:find(':') and not table.has(names, propname) then
+            print("erase property", propname)
+            blockprops[propname] = nil
+        end
+    end
+end
+
+local function make_read_only(t)
+    setmetatable(t, {
+        __newindex = function()
+            error("table is read-only")
+        end
+    })    
+end
+
+make_read_only(block.properties)
+for k,v in pairs(block.properties) do
+    make_read_only(v)
+end
diff --git a/res/shaders/main.glslf b/res/shaders/main.glslf
index 7db1a544..4992c36b 100644
--- a/res/shaders/main.glslf
+++ b/res/shaders/main.glslf
@@ -16,8 +16,11 @@ void main() {
     vec4 tex_color = texture(u_texture0, a_texCoord);
     float depth = (a_distance/256.0);
     float alpha = a_color.a * tex_color.a;
-    if (u_alphaClip && alpha < 0.9f)
-        discard;
+    if (u_alphaClip) {
+        if (alpha < 0.2f)
+            discard;
+        alpha = 1.0;
+    }
     f_color = mix(a_color * tex_color, vec4(fogColor,1.0), 
               min(1.0, pow(depth*u_fogFactor, u_fogCurve)));
     f_color.a = alpha;
diff --git a/res/shaders/skybox_gen.glslf b/res/shaders/skybox_gen.glslf
index b63ae0ee..a3e2cdeb 100644
--- a/res/shaders/skybox_gen.glslf
+++ b/res/shaders/skybox_gen.glslf
@@ -39,8 +39,8 @@ SOFTWARE.
 #define ABSORPTION_FALLOFF 4e3 /* how much the absorption decreases the further away it gets from the maximum height */
 // and the steps (more looks better, but is slower)
 // the primary step has the most effect on looks
-#define PRIMARY_STEPS 12
-#define LIGHT_STEPS 4
+#define PRIMARY_STEPS 6
+#define LIGHT_STEPS 2
 
 vec3 calculate_scattering(
     vec3 start, 				// the start of the ray (the camera position)
diff --git a/src/content/ContentLoader.cpp b/src/content/ContentLoader.cpp
index 0f8bf6a2..1e954a55 100644
--- a/src/content/ContentLoader.cpp
+++ b/src/content/ContentLoader.cpp
@@ -191,6 +191,7 @@ void ContentLoader::loadBlock(
     Block& def, const std::string& name, const fs::path& file
 ) {
     auto root = files::read_json(file);
+    def.properties = root;
 
     if (root.has("parent")) {
         const auto& parentName = root["parent"].asString();
@@ -360,6 +361,7 @@ void ContentLoader::loadItem(
     ItemDef& def, const std::string& name, const fs::path& file
 ) {
     auto root = files::read_json(file);
+    def.properties = root;
 
     if (root.has("parent")) {
         const auto& parentName = root["parent"].asString();
diff --git a/src/graphics/core/GLTexture.cpp b/src/graphics/core/GLTexture.cpp
index 3756d758..c5a918ed 100644
--- a/src/graphics/core/GLTexture.cpp
+++ b/src/graphics/core/GLTexture.cpp
@@ -25,7 +25,7 @@ GLTexture::GLTexture(const ubyte* data, uint width, uint height, ImageFormat ima
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
     glGenerateMipmap(GL_TEXTURE_2D);
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 1);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 2);
     glBindTexture(GL_TEXTURE_2D, 0);
 }
 
diff --git a/src/graphics/core/ImageData.cpp b/src/graphics/core/ImageData.cpp
index ccf9f908..d6617c57 100644
--- a/src/graphics/core/ImageData.cpp
+++ b/src/graphics/core/ImageData.cpp
@@ -242,18 +242,34 @@ void ImageData::extrude(int x, int y, int w, int h) {
     }
 }
 
+// Fixing black transparent pixels for Mip-Mapping
 void ImageData::fixAlphaColor() {
-    // Fixing black transparent pixels for Mip-Mapping
-    for (uint ly = 0; ly < height-1; ly++) {
-        for (uint lx = 0; lx < width-1; lx++) {
-            if (data[((ly) * width + lx) * 4 + 3]) {
-                for (int c = 0; c < 3; c++) {
-                    int val = data[((ly) + + lx) * 4 + c];
-                    if (data[((ly) * width + lx + 1) * 4 + 3] == 0)
-                        data[((ly) * width + lx + 1) * 4 + c] = val;
-                    if (data[((ly + 1) * width + lx) * 4 + 3] == 0)
-                        data[((ly + 1) * width + lx) * 4 + c] = val;
-                }
+    int samples = 0;
+    int sums[3] {};
+    for (uint ly = 0; ly < height; ly++) {
+        for (uint lx = 0; lx < width; lx++) {
+            if (data[(ly * width + lx) * 4 + 3] == 0) {
+                continue;
+            }
+            samples++;
+            for (int c = 0; c < 3; c++) {
+                sums[c] += data[(ly * width + lx) * 4 + c];
+            }
+        }
+    }
+    if (samples == 0) {
+        return;
+    }
+    for (int i = 0; i < 3; i++) {
+        sums[i] /= samples;
+    }
+    for (uint ly = 0; ly < height; ly++) {
+        for (uint lx = 0; lx < width; lx++) {
+            if (data[(ly * width + lx) * 4 + 3] != 0) {
+                continue;
+            }
+            for (int i = 0; i < 3; i++) {
+                data[(ly * width + lx) * 4 + i] = sums[i];
             }
         }
     }
diff --git a/src/graphics/render/BlockWrapsRenderer.cpp b/src/graphics/render/BlockWrapsRenderer.cpp
index ddb93d3a..3ad30ad8 100644
--- a/src/graphics/render/BlockWrapsRenderer.cpp
+++ b/src/graphics/render/BlockWrapsRenderer.cpp
@@ -49,7 +49,7 @@ void BlockWrapsRenderer::draw(const BlockWrapper& wrapper) {
                     glm::vec3(wrapper.position) + glm::vec3(0.5f),
                     glm::vec3(1.01f),
                     regions,
-                    glm::vec4(0),
+                    glm::vec4(1,1,1,0),
                     false
                 );
                 break;
@@ -66,7 +66,7 @@ void BlockWrapsRenderer::draw(const BlockWrapper& wrapper) {
                     glm::vec3(wrapper.position) + aabb.center(),
                     size * glm::vec3(1.01f),
                     regions,
-                    glm::vec4(0),
+                    glm::vec4(1,1,1,0),
                     false
                 );
                 break;
diff --git a/src/graphics/render/ChunksRenderer.cpp b/src/graphics/render/ChunksRenderer.cpp
index 9a72916c..f669cfea 100644
--- a/src/graphics/render/ChunksRenderer.cpp
+++ b/src/graphics/render/ChunksRenderer.cpp
@@ -196,8 +196,8 @@ void ChunksRenderer::drawChunks(
     shader.uniform1i("u_alphaClip", true);
 
     // TODO: minimize draw calls number
-    for (size_t i = 0; i < indices.size(); i++) {
-        auto chunk = chunks.getChunks()[indices[i].index];
+    for (int i = indices.size()-1; i >= 0; i--) {
+        auto& chunk = chunks.getChunks()[indices[i].index];
         auto mesh = retrieveChunk(indices[i].index, camera, shader, culling);
 
         if (mesh) {
diff --git a/src/graphics/render/ModelsGenerator.cpp b/src/graphics/render/ModelsGenerator.cpp
index c629661d..30b6a7aa 100644
--- a/src/graphics/render/ModelsGenerator.cpp
+++ b/src/graphics/render/ModelsGenerator.cpp
@@ -114,7 +114,7 @@ model::Model ModelsGenerator::generate(
         } else if (blockDef.model == BlockModel::custom) {
             model = assets.require<model::Model>(blockDef.modelName);
             for (auto& mesh : model.meshes) {
-                mesh.scale(glm::vec3(0.3f));
+                mesh.scale(glm::vec3(0.2f));
             }
             return model;
         }
@@ -130,7 +130,7 @@ model::Model ModelsGenerator::generate(
                 } default:
                     break;
             }
-            mesh.scale(glm::vec3(0.3f));
+            mesh.scale(glm::vec3(0.2f));
         }
         configure_textures(model, blockDef, assets);
         return model;
diff --git a/src/graphics/render/WorldRenderer.cpp b/src/graphics/render/WorldRenderer.cpp
index 7084d2de..19d6d232 100644
--- a/src/graphics/render/WorldRenderer.cpp
+++ b/src/graphics/render/WorldRenderer.cpp
@@ -247,12 +247,12 @@ void WorldRenderer::renderHands(
 
     // prepare modified HUD camera
     Camera hudcam = camera;
-    hudcam.far = 100.0f;
-    hudcam.setFov(1.2f);
+    hudcam.far = 10.0f;
+    hudcam.setFov(0.9f);
     hudcam.position = {};
 
     // configure model matrix
-    const glm::vec3 itemOffset(0.08f, 0.035f, -0.1);
+    const glm::vec3 itemOffset(0.06f, 0.035f, -0.1);
 
     static glm::mat4 prevRotation(1.0f);
 
diff --git a/src/items/Inventory.cpp b/src/items/Inventory.cpp
index 282f361f..00d74e53 100644
--- a/src/items/Inventory.cpp
+++ b/src/items/Inventory.cpp
@@ -37,6 +37,12 @@ void Inventory::move(
     ItemStack& item, const ContentIndices* indices, size_t begin, size_t end
 ) {
     end = std::min(slots.size(), end);
+    for (size_t i = begin; i < end && !item.isEmpty(); i++) {
+        ItemStack& slot = slots[i];
+        if (!slot.isEmpty() && slot.accepts(item)) {
+            slot.move(item, indices);
+        }
+    }
     for (size_t i = begin; i < end && !item.isEmpty(); i++) {
         ItemStack& slot = slots[i];
         if (slot.accepts(item)) {
diff --git a/src/items/ItemDef.hpp b/src/items/ItemDef.hpp
index 999b190f..7a2ef8d1 100644
--- a/src/items/ItemDef.hpp
+++ b/src/items/ItemDef.hpp
@@ -3,6 +3,7 @@
 #include <glm/glm.hpp>
 #include <string>
 
+#include "data/dv.hpp"
 #include "typedefs.hpp"
 
 struct item_funcs_set {
@@ -25,6 +26,8 @@ struct ItemDef {
     /// @brief Item name will shown in inventory
     std::string caption;
 
+    dv::value properties = nullptr;
+
     itemcount_t stackSize = 64;
     bool generated = false;
     uint8_t emission[4] {0, 0, 0, 0};
diff --git a/src/logic/PlayerController.cpp b/src/logic/PlayerController.cpp
index 0b23942e..96fed03a 100644
--- a/src/logic/PlayerController.cpp
+++ b/src/logic/PlayerController.cpp
@@ -197,7 +197,7 @@ PlayerController::PlayerController(
       player(level->players->get(0)),
       camControl(player, settings.camera),
       blocksController(blocksController),
-      playerTickClock(20, 3) {
+      playerTickClock(60, 1) {
 }
 
 void PlayerController::onFootstep(const Hitbox& hitbox) {
@@ -509,8 +509,7 @@ void PlayerController::updateInteraction(float delta) {
     bool longInteraction = interactionTimer <= 0 || xkey;
     bool lclick = Events::jactive(BIND_PLAYER_DESTROY) ||
         (longInteraction && Events::active(BIND_PLAYER_DESTROY));
-    bool lattack = Events::jactive(BIND_PLAYER_ATTACK) ||
-        (longInteraction && Events::active(BIND_PLAYER_ATTACK));
+    bool lattack = Events::jactive(BIND_PLAYER_ATTACK);
     bool rclick = Events::jactive(BIND_PLAYER_BUILD) ||
         (longInteraction && Events::active(BIND_PLAYER_BUILD));
     if (lclick || rclick) {
diff --git a/src/logic/scripting/lua/libs/libgui.cpp b/src/logic/scripting/lua/libs/libgui.cpp
index c83e7410..56239fac 100644
--- a/src/logic/scripting/lua/libs/libgui.cpp
+++ b/src/logic/scripting/lua/libs/libgui.cpp
@@ -334,7 +334,9 @@ static int p_set_interval(UINode* node, lua::State* L) {
 static int p_get_content_offset(UINode* node, lua::State* L) {
     return lua::pushvec(L, node->getContentOffset());
 }
-
+static int p_get_id(UINode* node, lua::State* L) {
+    return lua::pushstring(L, node->getId());
+}
 static int p_get_color(UINode* node, lua::State* L) {
     return lua::pushcolor(L, node->getColor());
 }
@@ -390,6 +392,7 @@ static int l_gui_getattr(lua::State* L) {
         std::string_view,
         std::function<int(UINode*, lua::State*)>>
         getters {
+            {"id", p_get_id},
             {"color", p_get_color},
             {"hoverColor", p_get_hover_color},
             {"pressedColor", p_get_pressed_color},
diff --git a/src/logic/scripting/lua/libs/libinventory.cpp b/src/logic/scripting/lua/libs/libinventory.cpp
index a705c48b..8f1f5385 100644
--- a/src/logic/scripting/lua/libs/libinventory.cpp
+++ b/src/logic/scripting/lua/libs/libinventory.cpp
@@ -156,12 +156,32 @@ static int l_inventory_move(lua::State* L) {
     return 0;
 }
 
+static int l_inventory_move_range(lua::State* L) {
+    auto invAid = lua::tointeger(L, 1);
+    auto slotAid = lua::tointeger(L, 2);
+    auto invA = get_inventory(invAid, 1);
+    validate_slotid(slotAid, invA.get());
+
+    auto invBid = lua::tointeger(L, 3);
+    auto slotBegin = lua::isnoneornil(L, 4) ? -1 : lua::tointeger(L, 4);
+    auto slotEnd = lua::isnoneornil(L, 5) ? -1 : lua::tointeger(L, 5) + 1;
+    auto invB = get_inventory(invBid, 3);
+    auto& slot = invA->getSlot(slotAid);
+    if (slotBegin == -1) {
+        invB->move(slot, content->getIndices());
+    } else {
+        invB->move(slot, content->getIndices(), slotBegin, slotEnd);
+    }
+    return 0;
+}
+
 const luaL_Reg inventorylib[] = {
     {"get", lua::wrap<l_inventory_get>},
     {"set", lua::wrap<l_inventory_set>},
     {"size", lua::wrap<l_inventory_size>},
     {"add", lua::wrap<l_inventory_add>},
     {"move", lua::wrap<l_inventory_move>},
+    {"move_range", lua::wrap<l_inventory_move_range>},
     {"get_block", lua::wrap<l_inventory_get_block>},
     {"bind_block", lua::wrap<l_inventory_bind_block>},
     {"unbind_block", lua::wrap<l_inventory_unbind_block>},
diff --git a/src/logic/scripting/scripting.cpp b/src/logic/scripting/scripting.cpp
index a9ecdb48..8fd9b231 100644
--- a/src/logic/scripting/scripting.cpp
+++ b/src/logic/scripting/scripting.cpp
@@ -156,10 +156,26 @@ void scripting::process_post_runnables() {
     }
 }
 
+template <class T>
+static int push_properties_tables(
+    lua::State* L, const ContentUnitIndices<T>& indices
+) {
+    const auto units = indices.getDefs();
+    size_t size = indices.count();
+    lua::createtable(L, size, 0);
+    for (size_t i = 0; i < size; i++) {
+        lua::pushvalue(L, units[i]->properties);
+        lua::rawseti(L, i);
+    }
+    return 1;
+}
+
 void scripting::on_content_load(Content* content) {
     scripting::content = content;
     scripting::indices = content->getIndices();
 
+    const auto& indices = *content->getIndices();
+
     auto L = lua::get_main_state();
     if (lua::getglobal(L, "block")) {
         const auto& materials = content->getBlockMaterials();
@@ -169,8 +185,17 @@ void scripting::on_content_load(Content* content) {
             lua::setfield(L, name);
         }
         lua::setfield(L, "materials");
+        
+        push_properties_tables(L, indices.blocks);
+        lua::setfield(L, "properties");
         lua::pop(L);
     }
+    if (lua::getglobal(L, "item")) {
+        push_properties_tables(L, indices.blocks);
+        lua::setfield(L, "properties");
+        lua::pop(L);
+    }
+    load_script(fs::path("post_content.lua"), true);
     load_script(fs::path("stdcmd.lua"), true);
 }
 
diff --git a/src/voxels/Block.hpp b/src/voxels/Block.hpp
index 95768c88..e7fb182c 100644
--- a/src/voxels/Block.hpp
+++ b/src/voxels/Block.hpp
@@ -120,6 +120,8 @@ public:
     /// @brief Textures set applied to block sides
     std::array<std::string, 6> textureFaces;  // -x,x, -y,y, -z,z
 
+    dv::value properties = nullptr;
+
     /// @brief id of used BlockMaterial, may specify non-existing material
     std::string material = DEFAULT_MATERIAL;