/*
* The Mana Server
* Copyright (C) 2004-2010 The Mana World Development Team
*
* This file is part of The Mana Server.
*
* The Mana Server is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* The Mana Server 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with The Mana Server. If not, see <http://www.gnu.org/licenses/>.
*/
#include "game-server/itemmanager.h"
#include "common/defines.h"
#include "common/resourcemanager.h"
#include "game-server/attributemanager.h"
#include "game-server/item.h"
#include "game-server/skillmanager.h"
#include "scripting/script.h"
#include "utils/logger.h"
#include <map>
#include <set>
#include <sstream>
void ItemManager::reload()
{
deinitialize();
initialize();
}
void ItemManager::initialize()
{
mVisibleEquipSlotCount = 0;
readEquipSlotsFile();
readItemsFile();
}
void ItemManager::deinitialize()
{
for (ItemClasses::iterator i = mItemClasses.begin(),
i_end = mItemClasses.end(); i != i_end; ++i)
{
delete i->second;
}
mItemClasses.clear();
mItemClassesByName.clear();
}
ItemClass *ItemManager::getItem(int itemId) const
{
ItemClasses::const_iterator i = mItemClasses.find(itemId);
return i != mItemClasses.end() ? i->second : 0;
}
ItemClass *ItemManager::getItemByName(const std::string &name) const
{
return mItemClassesByName.value(name);
}
unsigned int ItemManager::getDatabaseVersion() const
{
return mItemDatabaseVersion;
}
const std::string &ItemManager::getEquipNameFromId(unsigned int id) const
{
return mEquipSlots.at(id).first;
}
unsigned int ItemManager::getEquipIdFromName(const std::string &name) const
{
for (unsigned int i = 0; i < mEquipSlots.size(); ++i)
if (name == mEquipSlots.at(i).first)
return i;
LOG_WARN("Item Manager: attempt to find equip id from name \"" <<
name << "\" not found, defaulting to 0!");
return 0;
}
unsigned int ItemManager::getMaxSlotsFromId(unsigned int id) const
{
return mEquipSlots.at(id).second;
}
unsigned int ItemManager::getVisibleSlotCount() const
{
if (!mVisibleEquipSlotCount)
{
for (VisibleEquipSlots::const_iterator it = mVisibleEquipSlots.begin(),
it_end = mVisibleEquipSlots.end();
it != it_end;
++it)
{
mVisibleEquipSlotCount += mEquipSlots.at(*it).second;
}
}
return mVisibleEquipSlotCount;
}
bool ItemManager::isEquipSlotVisible(unsigned int id) const
{
for (VisibleEquipSlots::const_iterator it = mVisibleEquipSlots.begin(),
it_end = mVisibleEquipSlots.end();
it != it_end;
++it)
{
if (*it == id)
return true;
}
return false;
}
void ItemManager::readEquipSlotsFile()
{
XML::Document doc(mEquipSlotsFile);
xmlNodePtr rootNode = doc.rootNode();
if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "equip-slots"))
{
LOG_ERROR("Item Manager: Error while parsing equip slots database ("
<< mEquipSlotsFile << ")!");
return;
}
LOG_INFO("Loading equip slots: " << mEquipSlotsFile);
unsigned totalCount = 0;
unsigned slotCount = 0;
unsigned visibleSlotCount = 0;
for_each_xml_child_node(node, rootNode)
{
if (xmlStrEqual(node->name, BAD_CAST "slot"))
{
const std::string name = XML::getProperty(node, "name",
std::string());
const int count = XML::getProperty(node, "count", 0);
if (name.empty() || count <= 0)
{
LOG_WARN("Item Manager: equip slot has no name or zero count");
}
else
{
bool visible = XML::getProperty(node, "visible", "false") != "false";
if (visible)
{
mVisibleEquipSlots.push_back(mEquipSlots.size());
if (++visibleSlotCount > 7)
LOG_WARN("Item Manager: More than 7 visible equip slot!"
"This will not work with current netcode!");
}
mEquipSlots.push_back(std::pair<std::string, unsigned int>
(name, count));
totalCount += count;
++slotCount;
}
}
}
LOG_INFO("Loaded '" << slotCount << "' slot types with '"
<< totalCount << "' slots.");
}
void ItemManager::readItemsFile()
{
XML::Document doc2(mItemsFile);
xmlNodePtr rootNode = doc2.rootNode();
if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "items"))
{
LOG_ERROR("Item Manager: Error while parsing item database ("
<< mItemsFile << ")!");
return;
}
LOG_INFO("Loading item reference: " << mItemsFile);
for_each_xml_child_node(node, rootNode)
{
if (xmlStrEqual(node->name, BAD_CAST "item"))
{
readItemNode(node);
}
}
LOG_INFO("Loaded " << mItemClasses.size() << " items from "
<< mItemsFile << ".");
}
void ItemManager::readItemNode(xmlNodePtr itemNode)
{
const int id = XML::getProperty(itemNode, "id", 0);
if (id < 1)
{
LOG_WARN("Item Manager: Item ID: " << id << " is invalid in "
<< mItemsFile << ", and will be ignored.");
return;
}
// Type is mostly unused, but still serves for hairsheets and race sheets
const std::string type = XML::getProperty(itemNode, "type", std::string());
if (type == "hairsprite" || type == "racesprite")
return;
ItemClasses::iterator i = mItemClasses.find(id);
if (i != mItemClasses.end())
{
LOG_WARN("Item Manager: Ignoring duplicate definition of item '" << id
<< "'!");
return;
}
unsigned int maxPerSlot = XML::getProperty(itemNode, "max-per-slot", 0);
if (!maxPerSlot)
{
LOG_WARN("Item Manager: Missing max-per-slot property for "
"item " << id << " in " << mItemsFile << '.');
maxPerSlot = 1;
}
ItemClass *item = new ItemClass(id, maxPerSlot);
mItemClasses.insert(std::make_pair(id, item));
const std::string name = XML::getProperty(itemNode, "name", std::string());
if (!name.empty())
{
item->setName(name);
if (mItemClassesByName.contains(name))
LOG_WARN("Item Manager: Name not unique for item " << id);
else
mItemClassesByName.insert(name, item);
}
int value = XML::getProperty(itemNode, "value", 0);
// Should have multiple value definitions for multiple currencies?
item->mCost = value;
for_each_xml_child_node(subNode, itemNode)
{
if (xmlStrEqual(subNode->name, BAD_CAST "equip"))
{
readEquipNode(subNode, item);
}
else if (xmlStrEqual(subNode->name, BAD_CAST "effect"))
{
readEffectNode(subNode, item);
}
// More properties go here
}
}
void ItemManager::readEquipNode(xmlNodePtr equipNode, ItemClass *item)
{
ItemEquipInfo req;
for_each_xml_child_node(subNode, equipNode)
{
if (xmlStrEqual(subNode->name, BAD_CAST "slot"))
{
std::string slot = XML::getProperty(subNode, "type", std::string());
if (slot.empty())
{
LOG_WARN("Item Manager: empty equip slot definition!");
continue;
}
req.push_back(std::make_pair(getEquipIdFromName(slot),
XML::getProperty(subNode, "required", 1)));
}
}
if (req.empty())
{
LOG_WARN("Item Manager: empty equip requirement "
"definition for item " << item->getDatabaseID() << "!");
return;
}
item->mEquip.push_back(req);
}
void ItemManager::readEffectNode(xmlNodePtr effectNode, ItemClass *item)
{
std::pair<ItemTriggerType, ItemTriggerType> triggerTypes;
{
const std::string triggerName = XML::getProperty(
effectNode, "trigger", std::string());
const std::string dispellTrigger = XML::getProperty(
effectNode, "dispell", std::string());
// label -> { trigger (apply), trigger (cancel (default)) }
// The latter can be overridden.
static std::map<const std::string,
std::pair<ItemTriggerType, ItemTriggerType> >
triggerTable;
if (triggerTable.empty())
{
/*
* The following is a table of all triggers for item
* effects.
* The first element defines the trigger used for this
* trigger, and the second defines the default
* trigger to use for dispelling.
*/
triggerTable["existence"].first = ITT_IN_INVY;
triggerTable["existence"].second = ITT_LEAVE_INVY;
triggerTable["activation"].first = ITT_ACTIVATE;
triggerTable["activation"].second = ITT_NULL;
triggerTable["equip"].first = ITT_EQUIP;
triggerTable["equip"].second = ITT_UNEQUIP;
triggerTable["leave-inventory"].first = ITT_LEAVE_INVY;
triggerTable["leave-inventory"].second = ITT_NULL;
triggerTable["unequip"].first = ITT_UNEQUIP;
triggerTable["unequip"].second = ITT_NULL;
triggerTable["equip-change"].first = ITT_EQUIPCHG;
triggerTable["equip-change"].second = ITT_NULL;
triggerTable["null"].first = ITT_NULL;
triggerTable["null"].second = ITT_NULL;
}
std::map<const std::string, std::pair<ItemTriggerType,
ItemTriggerType> >::iterator
it = triggerTable.find(triggerName);
if (it == triggerTable.end()) {
LOG_WARN("Item Manager: Unable to find effect trigger type \""
<< triggerName << "\", skipping!");
return;
}
triggerTypes = it->second;
if (!dispellTrigger.empty())
{
if ((it = triggerTable.find(dispellTrigger)) == triggerTable.end())
LOG_WARN("Item Manager: Unable to find dispell effect "
"trigger type \"" << dispellTrigger << "\"!");
else
triggerTypes.second = it->second.first;
}
}
for_each_xml_child_node(subNode, effectNode)
{
if (xmlStrEqual(subNode->name, BAD_CAST "modifier"))
{
std::string tag = XML::getProperty(subNode, "attribute", std::string());
if (tag.empty())
{
LOG_WARN("Item Manager: Warning, modifier found "
"but no attribute specified!");
continue;
}
unsigned int duration = XML::getProperty(subNode,
"duration",
0);
ModifierLocation location = attributeManager->getLocation(tag);
double value = XML::getFloatProperty(subNode, "value", 0.0);
item->addEffect(new ItemEffectAttrMod(location.attributeId,
location.layer,
value,
item->getDatabaseID(),
duration),
triggerTypes.first, triggerTypes.second);
}
else if (xmlStrEqual(subNode->name, BAD_CAST "autoattack"))
{
// TODO - URGENT
}
// Having a dispell for the next three is nonsensical.
else if (xmlStrEqual(subNode->name, BAD_CAST "cooldown"))
{
LOG_WARN("Item Manager: Cooldown property not implemented yet!");
// TODO: Also needs unique items before this action will work
}
else if (xmlStrEqual(subNode->name, BAD_CAST "g-cooldown"))
{
LOG_WARN("Item Manager: G-Cooldown property not implemented yet!");
// TODO
}
else if (xmlStrEqual(subNode->name, BAD_CAST "consumes"))
{
item->addEffect(new ItemEffectConsumes(), triggerTypes.first);
}
else if (xmlStrEqual(subNode->name, BAD_CAST "script"))
{
std::string activateFunctionName = XML::getProperty(subNode,
"function",
std::string());
if (activateFunctionName.empty())
{
LOG_WARN("Item Manager: Empty function definition "
"for script effect, skipping!");
continue;
}
std::string src = XML::getProperty(subNode, "src", std::string());
if (src.empty())
{
LOG_WARN("Item Manager: Empty src definition for script effect,"
" skipping!");
continue;
}
std::stringstream filename;
filename << "scripts/items/" << src;
if (!ResourceManager::exists(filename.str()))
{
LOG_WARN("Could not find script file \"" << filename.str()
<< "\" for item #" << item->mDatabaseID);
continue;
}
LOG_INFO("Loading item script: " << filename.str());
Script *script = Script::create("lua");
if (!script->loadFile(filename.str()))
{
// Delete the script as it's invalid.
delete script;
LOG_WARN("Could not load script file \"" << filename.str()
<< "\" for item #" << item->mDatabaseID);
continue;
}
for_each_xml_child_node(scriptSubNode, subNode)
{
// TODO: Load variables from variable subnodes
}
std::string dispellFunctionName = XML::getProperty(subNode,
"dispell-function",
std::string());
item->addEffect(new ItemEffectScript(item->mDatabaseID, script,
activateFunctionName,
dispellFunctionName),
triggerTypes.first,
triggerTypes.second);
}
}
}