move 'player.pick' binding handler to Lua

res/content/base/scripts/hud.lua

@@ -23,4 +23,30 @@ function on_hud_open()
         local velocity = vec3.add(throw_force, vec3.add(pvel, DROP_INIT_VEL))
         drop.rigidbody:set_vel(velocity)
     end)
+    input.add_callback("player.pick", function ()
+        if hud.is_paused() or hud.is_inventory_open() then
+            return
+        end
+        local pid = hud.get_player()
+        local x, y, z = player.get_selected_block(pid)
+        if x == nil then
+            return
+        end
+        local id = block.get_picking_item(block.get(x, y, z))
+        local inv, cur_slot = player.get_inventory(pid)
+        local slot = inventory.find_by_item(inv, id, 0, 9)
+        if slot then
+            player.set_selected_slot(pid, slot)
+            return
+        end
+        if not rules.get("allow-content-access") then
+            return
+        end
+        slot = inventory.find_by_item(inv, 0, 0, 9)
+        if slot then
+            cur_slot = slot
+        end
+        player.set_selected_slot(pid, cur_slot)
+        inventory.set(inv, cur_slot, id, 1)
+    end)
 end

res/scripts/stdlib.lua

@@ -320,7 +320,6 @@ function __vc_on_hud_open()
 
     _rules.create("allow-content-access", hud._is_content_access(), function(value)
         hud._set_content_access(value)
-        input.set_enabled("player.pick", value)
     end)
     _rules.create("allow-flight", true, function(value)
         input.set_enabled("player.flight", value)