lua: inventory.clone

src/items/Inventories.cpp

@@ -44,6 +44,16 @@ std::shared_ptr<Inventory> Inventories::get(int64_t id) {
     return found->second;
 }
 
+std::shared_ptr<Inventory> Inventories::clone(int64_t id) {
+    auto original = get(id);
+    if (original == nullptr)
+        return nullptr;
+    auto origptr = reinterpret_cast<const Inventory*>(original.get());
+    auto clone = std::make_shared<Inventory>(*origptr);
+    clone->setId(level.getWorld()->getNextInventoryId());
+    return clone;
+}
+
 const inventories_map& Inventories::getMap() const {
     return map;
 }

src/items/Inventories.h

@@ -36,6 +36,8 @@ public:
     /* Get inventory by id (works with both real and virtual)*/
     std::shared_ptr<Inventory> get(int64_t id);
 
+    std::shared_ptr<Inventory> clone(int64_t id);
+
     const inventories_map& getMap() const;
 };
 

src/items/Inventory.h

@@ -40,6 +40,10 @@ public:
 
     static void convert(dynamic::Map* data, const ContentLUT* lut);
 
+    inline void setId(int64_t id) {
+        this->id = id;
+    }
+
     inline int64_t getId() const {
         return id;
     }

src/logic/scripting/lua/libinventory.cpp

@@ -101,3 +101,14 @@ int l_inventory_unbind_block(lua_State* L) {
     scripting::blocks->unbindInventory(x, y, z);
     return 0;
 }
+
+int l_inventory_clone(lua_State* L) {
+    lua::luaint id = lua_tointeger(L, 1);
+    auto clone = scripting::level->inventories->clone(id);
+    if (clone == nullptr) {
+        lua_pushinteger(L, 0);
+        return 1;
+    }
+    lua_pushinteger(L, clone->getId());
+    return 1;
+}

src/logic/scripting/lua/libinventory.h

@@ -10,6 +10,7 @@ extern int l_inventory_add(lua_State* L);
 extern int l_inventory_get_block(lua_State* L);
 extern int l_inventory_bind_block(lua_State* L);
 extern int l_inventory_unbind_block(lua_State* L);
+extern int l_inventory_clone(lua_State* L);
 
 static const luaL_Reg inventorylib [] = {
     {"get", lua_wrap_errors<l_inventory_get>},
@@ -19,6 +20,7 @@ static const luaL_Reg inventorylib [] = {
     {"get_block", lua_wrap_errors<l_inventory_get_block>},
     {"bind_block", lua_wrap_errors<l_inventory_bind_block>},
     {"unbind_block", lua_wrap_errors<l_inventory_unbind_block>},
+    {"clone", lua_wrap_errors<l_inventory_clone>},
     {NULL, NULL}
 };