Kinda sync current item? Only works in one direction for some reason

files/src/net.lua

@@ -83,10 +83,11 @@ function net.send(key, value, reliable) -- TODO reliability
   net.sock:send_binary(encoded_msg)
 end
 
-function net.send_player_update(input_data, pos_data)
+function net.send_player_update(input_data, pos_data, current_slot)
   net.send("player", {
-    inp = input_data,
-    pos = pos_data,
+    i = input_data,
+    p = pos_data,
+    s = current_slot,
   })
 end
 

files/src/net_handling.lua

@@ -19,8 +19,9 @@ function net_handling.proxy.peer_id(_, value)
 end
 
 function net_handling.mod.player(peer_id, value)
-    local input_data = value.inp
-    local pos_data = value.pos
+    local input_data = value.i
+    local pos_data = value.p
+    local slot_data = value.s
     -- GamePrint("Player update for "..peer_id.." "..pos_data.x.." "..pos_data.y)
     if not player_fns.peer_has_player(peer_id) then
         player_fns.spawn_player_for(peer_id, pos_data.x, pos_data.y)
@@ -28,6 +29,9 @@ function net_handling.mod.player(peer_id, value)
     local player_data = player_fns.peer_get_player_data(peer_id)
     player_fns.deserialize_inputs(input_data, player_data)
     player_fns.deserialize_position(pos_data, player_data)
+    if slot_data ~= nil then
+        player_fns.set_current_slot(slot_data, player_data)
+    end
 end
 
 function net_handling.mod.inventory(peer_id, inventory_state)

files/src/player_fns.lua

@@ -2,6 +2,7 @@ local ctx = dofile_once("mods/quant.ew/files/src/ctx.lua")
 local inventory_helper = dofile_once("mods/quant.ew/files/src/inventory_helper.lua")
 
 local ffi = require("ffi")
+local np = require("noitapatcher")
 
 ffi.cdef([[
 #pragma pack(push, 1)
@@ -402,5 +403,67 @@ function player_fns.is_inventory_open()
     return ComponentGetValue2(inventory_gui_comp, "mActive")
 end
 
+local function get_active_held_item(player_entity)
+    local inventory2Comp = EntityGetFirstComponentIncludingDisabled(player_entity, "Inventory2Component")
+    local mActiveItem = ComponentGetValue2(inventory2Comp, "mActiveItem")
+    return mActiveItem
+end
+
+function player_fns.get_current_slot(player_data)
+    local held_item = get_active_held_item(player_data.entity)
+    if (held_item ~= nil and held_item ~= 0) then
+        local item_comp = EntityGetFirstComponentIncludingDisabled(held_item, "ItemComponent")
+
+        -- the hell??
+        if(item_comp == nil)then
+            return
+        end
+
+        local slot_x, slot_y = ComponentGetValue2(item_comp, "inventory_slot")
+        local ability_comp = EntityGetFirstComponentIncludingDisabled(held_item, "AbilityComponent")
+        
+        local is_wand = false
+        if(ability_comp and ComponentGetValue2(ability_comp, "use_gun_script"))then
+            is_wand = true
+        end
+        return {is_wand, slot_x, slot_y}
+    end
+end
+
+function player_fns.set_current_slot(slot_data, player_data)
+    local is_wand, slot_x, slot_y = slot_data[1], slot_data[2], slot_data[3]
+    -- GamePrint("Switching item to slot: " .. tostring(slot_x) .. ", " .. tostring(slot_y))
+    if (player_data.entity and EntityGetIsAlive(player_data.entity)) then
+        local items = GameGetAllInventoryItems(player_data.entity) or {}
+        for i, item in ipairs(items) do
+            -- check id
+            local itemComp = EntityGetFirstComponentIncludingDisabled(item, "ItemComponent")
+            if itemComp ~= nil then
+                local item_slot_x, item_slot_y = ComponentGetValue2(itemComp, "inventory_slot")
+    
+                local ability_comp = EntityGetFirstComponentIncludingDisabled(item, "AbilityComponent")
+                
+                local item_is_wand = false
+                if(ability_comp and ComponentGetValue2(ability_comp, "use_gun_script"))then
+                    item_is_wand = true
+                end
+    
+                if (item_slot_x == slot_x and item_slot_y == slot_y and item_is_wand == is_wand) then
+                    local inventory2Comp = EntityGetFirstComponentIncludingDisabled(
+                        player_data.entity, "Inventory2Component")
+                    local mActiveItem = ComponentGetValue2(inventory2Comp, "mActiveItem")
+    
+                    if (mActiveItem ~= item) then
+                        np.SetActiveHeldEntity(player_data.entity, item, false, false)
+                    end
+                    return
+                end
+            else
+                print("something in inventory that is not an item")
+            end
+        end
+    end
+end
+
 print("Players initialized")
 return player_fns

init.lua

@@ -86,7 +86,8 @@ function OnWorldPreUpdate() -- This is called every time the game is about to st
     if GameGetFrameNum() % 2 == 0 then
         local input_data = player_fns.serialize_inputs(my_player)
         local pos_data =  player_fns.serialize_position(my_player)
-        net.send_player_update(input_data, pos_data)
+        local current_slot = player_fns.get_current_slot(my_player)
+        net.send_player_update(input_data, pos_data, current_slot)
     end
 
     if GameGetFrameNum() % 120 == 0 then

todo.txt

@@ -8,7 +8,8 @@
  - Синхронизация противников
  - Перекидывание предметов
  - Синхронизация мира
- - Фикс наведения на клиентов
+ ? Фикс наведения на клиентов
  - Проверка окончания игры
  - Удаление лишних клиентов при загрузке игры
- - Синхронизация противников
+ - fungal shift-ы
+ - test tangled better