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- /*
- Minetest
- Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "inventorymanager.h"
- #include "log.h"
- #include "environment.h"
- #include "scripting_game.h"
- #include "serverobject.h"
- #include "main.h" // for g_settings
- #include "settings.h"
- #include "craftdef.h"
- #include "rollback_interface.h"
- #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
- #define PLAYER_TO_SA(p) p->getEnv()->getScriptIface()
- /*
- InventoryLocation
- */
- std::string InventoryLocation::dump() const
- {
- std::ostringstream os(std::ios::binary);
- serialize(os);
- return os.str();
- }
- void InventoryLocation::serialize(std::ostream &os) const
- {
- switch(type){
- case InventoryLocation::UNDEFINED:
- os<<"undefined";
- break;
- case InventoryLocation::CURRENT_PLAYER:
- os<<"current_player";
- break;
- case InventoryLocation::PLAYER:
- os<<"player:"<<name;
- break;
- case InventoryLocation::NODEMETA:
- os<<"nodemeta:"<<p.X<<","<<p.Y<<","<<p.Z;
- break;
- case InventoryLocation::DETACHED:
- os<<"detached:"<<name;
- break;
- default:
- assert(0);
- }
- }
- void InventoryLocation::deSerialize(std::istream &is)
- {
- std::string tname;
- std::getline(is, tname, ':');
- if(tname == "undefined")
- {
- type = InventoryLocation::UNDEFINED;
- }
- else if(tname == "current_player")
- {
- type = InventoryLocation::CURRENT_PLAYER;
- }
- else if(tname == "player")
- {
- type = InventoryLocation::PLAYER;
- std::getline(is, name, '\n');
- }
- else if(tname == "nodemeta")
- {
- type = InventoryLocation::NODEMETA;
- std::string pos;
- std::getline(is, pos, '\n');
- Strfnd fn(pos);
- p.X = stoi(fn.next(","));
- p.Y = stoi(fn.next(","));
- p.Z = stoi(fn.next(","));
- }
- else if(tname == "detached")
- {
- type = InventoryLocation::DETACHED;
- std::getline(is, name, '\n');
- }
- else
- {
- infostream<<"Unknown InventoryLocation type=\""<<tname<<"\""<<std::endl;
- throw SerializationError("Unknown InventoryLocation type");
- }
- }
- void InventoryLocation::deSerialize(std::string s)
- {
- std::istringstream is(s, std::ios::binary);
- deSerialize(is);
- }
- /*
- InventoryAction
- */
- InventoryAction * InventoryAction::deSerialize(std::istream &is)
- {
- std::string type;
- std::getline(is, type, ' ');
- InventoryAction *a = NULL;
- if(type == "Move")
- {
- a = new IMoveAction(is);
- }
- else if(type == "Drop")
- {
- a = new IDropAction(is);
- }
- else if(type == "Craft")
- {
- a = new ICraftAction(is);
- }
- return a;
- }
- /*
- IMoveAction
- */
- IMoveAction::IMoveAction(std::istream &is)
- {
- std::string ts;
- std::getline(is, ts, ' ');
- count = stoi(ts);
- std::getline(is, ts, ' ');
- from_inv.deSerialize(ts);
- std::getline(is, from_list, ' ');
- std::getline(is, ts, ' ');
- from_i = stoi(ts);
- std::getline(is, ts, ' ');
- to_inv.deSerialize(ts);
- std::getline(is, to_list, ' ');
- std::getline(is, ts, ' ');
- to_i = stoi(ts);
- }
- void IMoveAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGameDef *gamedef)
- {
- Inventory *inv_from = mgr->getInventory(from_inv);
- Inventory *inv_to = mgr->getInventory(to_inv);
-
- if(!inv_from){
- infostream<<"IMoveAction::apply(): FAIL: source inventory not found: "
- <<"from_inv=\""<<from_inv.dump()<<"\""
- <<", to_inv=\""<<to_inv.dump()<<"\""<<std::endl;
- return;
- }
- if(!inv_to){
- infostream<<"IMoveAction::apply(): FAIL: destination inventory not found: "
- <<"from_inv=\""<<from_inv.dump()<<"\""
- <<", to_inv=\""<<to_inv.dump()<<"\""<<std::endl;
- return;
- }
- InventoryList *list_from = inv_from->getList(from_list);
- InventoryList *list_to = inv_to->getList(to_list);
- /*
- If a list doesn't exist or the source item doesn't exist
- */
- if(!list_from){
- infostream<<"IMoveAction::apply(): FAIL: source list not found: "
- <<"from_inv=\""<<from_inv.dump()<<"\""
- <<", from_list=\""<<from_list<<"\""<<std::endl;
- return;
- }
- if(!list_to){
- infostream<<"IMoveAction::apply(): FAIL: destination list not found: "
- <<"to_inv=\""<<to_inv.dump()<<"\""
- <<", to_list=\""<<to_list<<"\""<<std::endl;
- return;
- }
- /*
- Do not handle rollback if both inventories are that of the same player
- */
- bool ignore_rollback = (
- from_inv.type == InventoryLocation::PLAYER &&
- to_inv.type == InventoryLocation::PLAYER &&
- from_inv.name == to_inv.name);
- /*
- Collect information of endpoints
- */
- int try_take_count = count;
- if(try_take_count == 0)
- try_take_count = list_from->getItem(from_i).count;
- int src_can_take_count = 0xffff;
- int dst_can_put_count = 0xffff;
-
- /* Query detached inventories */
- // Move occurs in the same detached inventory
- if(from_inv.type == InventoryLocation::DETACHED &&
- to_inv.type == InventoryLocation::DETACHED &&
- from_inv.name == to_inv.name)
- {
- src_can_take_count = PLAYER_TO_SA(player)->detached_inventory_AllowMove(
- from_inv.name, from_list, from_i,
- to_list, to_i, try_take_count, player);
- dst_can_put_count = src_can_take_count;
- }
- else
- {
- // Destination is detached
- if(to_inv.type == InventoryLocation::DETACHED)
- {
- ItemStack src_item = list_from->getItem(from_i);
- src_item.count = try_take_count;
- dst_can_put_count = PLAYER_TO_SA(player)->detached_inventory_AllowPut(
- to_inv.name, to_list, to_i, src_item, player);
- }
- // Source is detached
- if(from_inv.type == InventoryLocation::DETACHED)
- {
- ItemStack src_item = list_from->getItem(from_i);
- src_item.count = try_take_count;
- src_can_take_count = PLAYER_TO_SA(player)->detached_inventory_AllowTake(
- from_inv.name, from_list, from_i, src_item, player);
- }
- }
- /* Query node metadata inventories */
- // Both endpoints are nodemeta
- // Move occurs in the same nodemeta inventory
- if(from_inv.type == InventoryLocation::NODEMETA &&
- to_inv.type == InventoryLocation::NODEMETA &&
- from_inv.p == to_inv.p)
- {
- src_can_take_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowMove(
- from_inv.p, from_list, from_i,
- to_list, to_i, try_take_count, player);
- dst_can_put_count = src_can_take_count;
- }
- else
- {
- // Destination is nodemeta
- if(to_inv.type == InventoryLocation::NODEMETA)
- {
- ItemStack src_item = list_from->getItem(from_i);
- src_item.count = try_take_count;
- dst_can_put_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowPut(
- to_inv.p, to_list, to_i, src_item, player);
- }
- // Source is nodemeta
- if(from_inv.type == InventoryLocation::NODEMETA)
- {
- ItemStack src_item = list_from->getItem(from_i);
- src_item.count = try_take_count;
- src_can_take_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowTake(
- from_inv.p, from_list, from_i, src_item, player);
- }
- }
- int old_count = count;
-
- /* Modify count according to collected data */
- count = try_take_count;
- if(src_can_take_count != -1 && count > src_can_take_count)
- count = src_can_take_count;
- if(dst_can_put_count != -1 && count > dst_can_put_count)
- count = dst_can_put_count;
- /* Limit according to source item count */
- if(count > list_from->getItem(from_i).count)
- count = list_from->getItem(from_i).count;
-
- /* If no items will be moved, don't go further */
- if(count == 0)
- {
- infostream<<"IMoveAction::apply(): move was completely disallowed:"
- <<" count="<<old_count
- <<" from inv=\""<<from_inv.dump()<<"\""
- <<" list=\""<<from_list<<"\""
- <<" i="<<from_i
- <<" to inv=\""<<to_inv.dump()<<"\""
- <<" list=\""<<to_list<<"\""
- <<" i="<<to_i
- <<std::endl;
- return;
- }
- ItemStack src_item = list_from->getItem(from_i);
- src_item.count = count;
- ItemStack from_stack_was = list_from->getItem(from_i);
- ItemStack to_stack_was = list_to->getItem(to_i);
- /*
- Perform actual move
- If something is wrong (source item is empty, destination is the
- same as source), nothing happens
- */
- list_from->moveItem(from_i, list_to, to_i, count);
- // If source is infinite, reset it's stack
- if(src_can_take_count == -1){
- // If destination stack is of different type and there are leftover
- // items, attempt to put the leftover items to a different place in the
- // destination inventory.
- // The client-side GUI will try to guess if this happens.
- if(from_stack_was.name != to_stack_was.name){
- for(u32 i=0; i<list_to->getSize(); i++){
- if(list_to->getItem(i).empty()){
- list_to->changeItem(i, to_stack_was);
- break;
- }
- }
- }
- list_from->deleteItem(from_i);
- list_from->addItem(from_i, from_stack_was);
- }
- // If destination is infinite, reset it's stack and take count from source
- if(dst_can_put_count == -1){
- list_to->deleteItem(to_i);
- list_to->addItem(to_i, to_stack_was);
- list_from->deleteItem(from_i);
- list_from->addItem(from_i, from_stack_was);
- list_from->takeItem(from_i, count);
- }
- infostream<<"IMoveAction::apply(): moved"
- <<" count="<<count
- <<" from inv=\""<<from_inv.dump()<<"\""
- <<" list=\""<<from_list<<"\""
- <<" i="<<from_i
- <<" to inv=\""<<to_inv.dump()<<"\""
- <<" list=\""<<to_list<<"\""
- <<" i="<<to_i
- <<std::endl;
- /*
- Record rollback information
- */
- if(!ignore_rollback && gamedef->rollback())
- {
- IRollbackReportSink *rollback = gamedef->rollback();
- // If source is not infinite, record item take
- if(src_can_take_count != -1){
- RollbackAction action;
- std::string loc;
- {
- std::ostringstream os(std::ios::binary);
- from_inv.serialize(os);
- loc = os.str();
- }
- action.setModifyInventoryStack(loc, from_list, from_i, false,
- src_item.getItemString());
- rollback->reportAction(action);
- }
- // If destination is not infinite, record item put
- if(dst_can_put_count != -1){
- RollbackAction action;
- std::string loc;
- {
- std::ostringstream os(std::ios::binary);
- to_inv.serialize(os);
- loc = os.str();
- }
- action.setModifyInventoryStack(loc, to_list, to_i, true,
- src_item.getItemString());
- rollback->reportAction(action);
- }
- }
- /*
- Report move to endpoints
- */
-
- /* Detached inventories */
- // Both endpoints are same detached
- if(from_inv.type == InventoryLocation::DETACHED &&
- to_inv.type == InventoryLocation::DETACHED &&
- from_inv.name == to_inv.name)
- {
- PLAYER_TO_SA(player)->detached_inventory_OnMove(
- from_inv.name, from_list, from_i,
- to_list, to_i, count, player);
- }
- else
- {
- // Destination is detached
- if(to_inv.type == InventoryLocation::DETACHED)
- {
- PLAYER_TO_SA(player)->detached_inventory_OnPut(
- to_inv.name, to_list, to_i, src_item, player);
- }
- // Source is detached
- if(from_inv.type == InventoryLocation::DETACHED)
- {
- PLAYER_TO_SA(player)->detached_inventory_OnTake(
- from_inv.name, from_list, from_i, src_item, player);
- }
- }
- /* Node metadata inventories */
- // Both endpoints are same nodemeta
- if(from_inv.type == InventoryLocation::NODEMETA &&
- to_inv.type == InventoryLocation::NODEMETA &&
- from_inv.p == to_inv.p)
- {
- PLAYER_TO_SA(player)->nodemeta_inventory_OnMove(
- from_inv.p, from_list, from_i,
- to_list, to_i, count, player);
- }
- else{
- // Destination is nodemeta
- if(to_inv.type == InventoryLocation::NODEMETA)
- {
- PLAYER_TO_SA(player)->nodemeta_inventory_OnPut(
- to_inv.p, to_list, to_i, src_item, player);
- }
- // Source is nodemeta
- else if(from_inv.type == InventoryLocation::NODEMETA)
- {
- PLAYER_TO_SA(player)->nodemeta_inventory_OnTake(
- from_inv.p, from_list, from_i, src_item, player);
- }
- }
-
- mgr->setInventoryModified(from_inv);
- if(inv_from != inv_to)
- mgr->setInventoryModified(to_inv);
- }
- void IMoveAction::clientApply(InventoryManager *mgr, IGameDef *gamedef)
- {
- // Optional InventoryAction operation that is run on the client
- // to make lag less apparent.
- Inventory *inv_from = mgr->getInventory(from_inv);
- Inventory *inv_to = mgr->getInventory(to_inv);
- if(!inv_from || !inv_to)
- return;
- InventoryLocation current_player;
- current_player.setCurrentPlayer();
- Inventory *inv_player = mgr->getInventory(current_player);
- if(inv_from != inv_player || inv_to != inv_player)
- return;
- InventoryList *list_from = inv_from->getList(from_list);
- InventoryList *list_to = inv_to->getList(to_list);
- if(!list_from || !list_to)
- return;
- list_from->moveItem(from_i, list_to, to_i, count);
- mgr->setInventoryModified(from_inv);
- if(inv_from != inv_to)
- mgr->setInventoryModified(to_inv);
- }
- /*
- IDropAction
- */
- IDropAction::IDropAction(std::istream &is)
- {
- std::string ts;
- std::getline(is, ts, ' ');
- count = stoi(ts);
- std::getline(is, ts, ' ');
- from_inv.deSerialize(ts);
- std::getline(is, from_list, ' ');
- std::getline(is, ts, ' ');
- from_i = stoi(ts);
- }
- void IDropAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGameDef *gamedef)
- {
- Inventory *inv_from = mgr->getInventory(from_inv);
-
- if(!inv_from){
- infostream<<"IDropAction::apply(): FAIL: source inventory not found: "
- <<"from_inv=\""<<from_inv.dump()<<"\""<<std::endl;
- return;
- }
- InventoryList *list_from = inv_from->getList(from_list);
- /*
- If a list doesn't exist or the source item doesn't exist
- */
- if(!list_from){
- infostream<<"IDropAction::apply(): FAIL: source list not found: "
- <<"from_inv=\""<<from_inv.dump()<<"\""<<std::endl;
- return;
- }
- if(list_from->getItem(from_i).empty())
- {
- infostream<<"IDropAction::apply(): FAIL: source item not found: "
- <<"from_inv=\""<<from_inv.dump()<<"\""
- <<", from_list=\""<<from_list<<"\""
- <<" from_i="<<from_i<<std::endl;
- return;
- }
- /*
- Do not handle rollback if inventory is player's
- */
- bool ignore_src_rollback = (from_inv.type == InventoryLocation::PLAYER);
- /*
- Collect information of endpoints
- */
- int take_count = list_from->getItem(from_i).count;
- if(count != 0 && count < take_count)
- take_count = count;
- int src_can_take_count = take_count;
- // Source is detached
- if(from_inv.type == InventoryLocation::DETACHED)
- {
- ItemStack src_item = list_from->getItem(from_i);
- src_item.count = take_count;
- src_can_take_count = PLAYER_TO_SA(player)->detached_inventory_AllowTake(
- from_inv.name, from_list, from_i, src_item, player);
- }
- // Source is nodemeta
- if(from_inv.type == InventoryLocation::NODEMETA)
- {
- ItemStack src_item = list_from->getItem(from_i);
- src_item.count = take_count;
- src_can_take_count = PLAYER_TO_SA(player)->nodemeta_inventory_AllowTake(
- from_inv.p, from_list, from_i, src_item, player);
- }
- if(src_can_take_count != -1 && src_can_take_count < take_count)
- take_count = src_can_take_count;
-
- int actually_dropped_count = 0;
- ItemStack src_item = list_from->getItem(from_i);
- // Drop the item
- ItemStack item1 = list_from->getItem(from_i);
- item1.count = take_count;
- if(PLAYER_TO_SA(player)->item_OnDrop(item1, player,
- player->getBasePosition() + v3f(0,1,0)))
- {
- actually_dropped_count = take_count - item1.count;
- if(actually_dropped_count == 0){
- infostream<<"Actually dropped no items"<<std::endl;
- return;
- }
-
- // If source isn't infinite
- if(src_can_take_count != -1){
- // Take item from source list
- ItemStack item2 = list_from->takeItem(from_i, actually_dropped_count);
- if(item2.count != actually_dropped_count)
- errorstream<<"Could not take dropped count of items"<<std::endl;
- mgr->setInventoryModified(from_inv);
- }
- }
- infostream<<"IDropAction::apply(): dropped "
- <<" from inv=\""<<from_inv.dump()<<"\""
- <<" list=\""<<from_list<<"\""
- <<" i="<<from_i
- <<std::endl;
-
- src_item.count = actually_dropped_count;
- /*
- Report drop to endpoints
- */
-
- // Source is detached
- if(from_inv.type == InventoryLocation::DETACHED)
- {
- PLAYER_TO_SA(player)->detached_inventory_OnTake(
- from_inv.name, from_list, from_i, src_item, player);
- }
- // Source is nodemeta
- if(from_inv.type == InventoryLocation::NODEMETA)
- {
- PLAYER_TO_SA(player)->nodemeta_inventory_OnTake(
- from_inv.p, from_list, from_i, src_item, player);
- }
- /*
- Record rollback information
- */
- if(!ignore_src_rollback && gamedef->rollback())
- {
- IRollbackReportSink *rollback = gamedef->rollback();
- // If source is not infinite, record item take
- if(src_can_take_count != -1){
- RollbackAction action;
- std::string loc;
- {
- std::ostringstream os(std::ios::binary);
- from_inv.serialize(os);
- loc = os.str();
- }
- action.setModifyInventoryStack(loc, from_list, from_i,
- false, src_item.getItemString());
- rollback->reportAction(action);
- }
- }
- }
- void IDropAction::clientApply(InventoryManager *mgr, IGameDef *gamedef)
- {
- // Optional InventoryAction operation that is run on the client
- // to make lag less apparent.
- Inventory *inv_from = mgr->getInventory(from_inv);
- if(!inv_from)
- return;
- InventoryLocation current_player;
- current_player.setCurrentPlayer();
- Inventory *inv_player = mgr->getInventory(current_player);
- if(inv_from != inv_player)
- return;
- InventoryList *list_from = inv_from->getList(from_list);
- if(!list_from)
- return;
- if(count == 0)
- list_from->changeItem(from_i, ItemStack());
- else
- list_from->takeItem(from_i, count);
- mgr->setInventoryModified(from_inv);
- }
- /*
- ICraftAction
- */
- ICraftAction::ICraftAction(std::istream &is)
- {
- std::string ts;
- std::getline(is, ts, ' ');
- count = stoi(ts);
- std::getline(is, ts, ' ');
- craft_inv.deSerialize(ts);
- }
- void ICraftAction::apply(InventoryManager *mgr, ServerActiveObject *player, IGameDef *gamedef)
- {
- Inventory *inv_craft = mgr->getInventory(craft_inv);
-
- if(!inv_craft){
- infostream<<"ICraftAction::apply(): FAIL: inventory not found: "
- <<"craft_inv=\""<<craft_inv.dump()<<"\""<<std::endl;
- return;
- }
- InventoryList *list_craft = inv_craft->getList("craft");
- InventoryList *list_craftresult = inv_craft->getList("craftresult");
- /*
- If a list doesn't exist or the source item doesn't exist
- */
- if(!list_craft){
- infostream<<"ICraftAction::apply(): FAIL: craft list not found: "
- <<"craft_inv=\""<<craft_inv.dump()<<"\""<<std::endl;
- return;
- }
- if(!list_craftresult){
- infostream<<"ICraftAction::apply(): FAIL: craftresult list not found: "
- <<"craft_inv=\""<<craft_inv.dump()<<"\""<<std::endl;
- return;
- }
- if(list_craftresult->getSize() < 1){
- infostream<<"ICraftAction::apply(): FAIL: craftresult list too short: "
- <<"craft_inv=\""<<craft_inv.dump()<<"\""<<std::endl;
- return;
- }
- ItemStack crafted;
- ItemStack craftresultitem;
- int count_remaining = count;
- bool found = getCraftingResult(inv_craft, crafted, false, gamedef);
- PLAYER_TO_SA(player)->item_CraftPredict(crafted, player, list_craft, craft_inv);
- found = !crafted.empty();
- while(found && list_craftresult->itemFits(0, crafted))
- {
- InventoryList saved_craft_list = *list_craft;
-
- // Decrement input and add crafting output
- getCraftingResult(inv_craft, crafted, true, gamedef);
- PLAYER_TO_SA(player)->item_OnCraft(crafted, player, &saved_craft_list, craft_inv);
- list_craftresult->addItem(0, crafted);
- mgr->setInventoryModified(craft_inv);
- actionstream<<player->getDescription()
- <<" crafts "
- <<crafted.getItemString()
- <<std::endl;
- // Decrement counter
- if(count_remaining == 1)
- break;
- else if(count_remaining > 1)
- count_remaining--;
- // Get next crafting result
- found = getCraftingResult(inv_craft, crafted, false, gamedef);
- PLAYER_TO_SA(player)->item_CraftPredict(crafted, player, list_craft, craft_inv);
- found = !crafted.empty();
- }
- infostream<<"ICraftAction::apply(): crafted "
- <<" craft_inv=\""<<craft_inv.dump()<<"\""
- <<std::endl;
- }
- void ICraftAction::clientApply(InventoryManager *mgr, IGameDef *gamedef)
- {
- // Optional InventoryAction operation that is run on the client
- // to make lag less apparent.
- }
- // Crafting helper
- bool getCraftingResult(Inventory *inv, ItemStack& result,
- bool decrementInput, IGameDef *gamedef)
- {
- DSTACK(__FUNCTION_NAME);
-
- result.clear();
- // Get the InventoryList in which we will operate
- InventoryList *clist = inv->getList("craft");
- if(!clist)
- return false;
- // Mangle crafting grid to an another format
- CraftInput ci;
- ci.method = CRAFT_METHOD_NORMAL;
- ci.width = clist->getWidth() ? clist->getWidth() : 3;
- for(u16 i=0; i<clist->getSize(); i++)
- ci.items.push_back(clist->getItem(i));
- // Find out what is crafted and add it to result item slot
- CraftOutput co;
- bool found = gamedef->getCraftDefManager()->getCraftResult(
- ci, co, decrementInput, gamedef);
- if(found)
- result.deSerialize(co.item, gamedef->getItemDefManager());
- if(found && decrementInput)
- {
- // CraftInput has been changed, apply changes in clist
- for(u16 i=0; i<clist->getSize(); i++)
- {
- clist->changeItem(i, ci.items[i]);
- }
- }
- return found;
- }
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