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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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 World 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 World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include <algorithm>
#include <cassert>
#include <libxml/tree.h>
#include "itemdb.h"
#include "iteminfo.h"
#include "resourcemanager.h"
#include "../log.h"
#include "../utils/dtor.h"
#include "../utils/xml.h"
namespace
{
ItemDB::ItemInfos mItemInfos;
ItemInfo *mUnknown;
bool mLoaded = false;
}
// Forward declarations
static void loadSpriteRef(ItemInfo *itemInfo, xmlNodePtr node);
static void loadSoundRef(ItemInfo *itemInfo, xmlNodePtr node);
void ItemDB::load()
{
if (mLoaded)
return;
logger->log("Initializing item database...");
mUnknown = new ItemInfo();
mUnknown->setName("Unknown item");
mUnknown->setImage("");
mUnknown->setSprite("error.xml", 0);
mUnknown->setSprite("error.xml", 1);
ResourceManager *resman = ResourceManager::getInstance();
int size;
char *data = (char*) resman->loadFile("items.xml", size);
if (!data) {
logger->error("ItemDB: Could not find items.xml!");
}
xmlDocPtr doc = xmlParseMemory(data, size);
free(data);
if (!doc)
{
logger->error("ItemDB: Error while parsing item database (items.xml)!");
}
xmlNodePtr rootNode = xmlDocGetRootElement(doc);
if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "items"))
{
logger->error("ItemDB: items.xml is not a valid database file!");
}
for_each_xml_child_node(node, rootNode)
{
if (!xmlStrEqual(node->name, BAD_CAST "item"))
continue;
int id = XML::getProperty(node, "id", 0);
if (id == 0)
{
logger->log("ItemDB: Invalid or missing item ID in items.xml!");
continue;
}
else if (mItemInfos.find(id) != mItemInfos.end())
{
logger->log("ItemDB: Redefinition of item ID %d", id);
}
int type = XML::getProperty(node, "type", 0);
int weight = XML::getProperty(node, "weight", 0);
int view = XML::getProperty(node, "view", 0);
std::string name = XML::getProperty(node, "name", "");
std::string image = XML::getProperty(node, "image", "");
std::string description = XML::getProperty(node, "description", "");
std::string effect = XML::getProperty(node, "effect", "");
int weaponType = XML::getProperty(node, "weapon_type", 0);
if (id)
{
ItemInfo *itemInfo = new ItemInfo();
itemInfo->setImage(image);
itemInfo->setName((name == "") ? "Unnamed" : name);
itemInfo->setDescription(description);
itemInfo->setEffect(effect);
itemInfo->setType(type);
itemInfo->setView(view);
itemInfo->setWeight(weight);
itemInfo->setWeaponType(weaponType);
for_each_xml_child_node(itemChild, node)
{
if (xmlStrEqual(itemChild->name, BAD_CAST "sprite"))
{
loadSpriteRef(itemInfo, itemChild);
}
else if (xmlStrEqual(itemChild->name, BAD_CAST "sound"))
{
loadSoundRef(itemInfo, itemChild);
}
}
mItemInfos[id] = itemInfo;
}
#define CHECK_PARAM(param, error_value) \
if (param == error_value) \
logger->log("ItemDB: Missing " #param " attribute for item %i!",id)
CHECK_PARAM(name, "");
CHECK_PARAM(image, "");
// CHECK_PARAM(description, "");
// CHECK_PARAM(effect, "");
// CHECK_PARAM(type, 0);
CHECK_PARAM(weight, 0);
// CHECK_PARAM(slot, 0);
#undef CHECK_PARAM
}
xmlFreeDoc(doc);
mLoaded = true;
}
void ItemDB::unload()
{
logger->log("Unloading item database...");
delete mUnknown;
mUnknown = NULL;
for_each(mItemInfos.begin(), mItemInfos.end(), make_dtor(mItemInfos));
mItemInfos.clear();
mLoaded = false;
}
const ItemInfo& ItemDB::get(int id)
{
assert(mLoaded);
ItemInfoIterator i = mItemInfos.find(id);
if (i == mItemInfos.end())
{
logger->log("ItemDB: Error, unknown item ID# %d", id);
return *mUnknown;
}
else
{
return *(i->second);
}
}
void loadSpriteRef(ItemInfo *itemInfo, xmlNodePtr node)
{
std::string gender = XML::getProperty(node, "gender", "unisex");
std::string filename = (const char*) node->xmlChildrenNode->content;
if (gender == "male" || gender == "unisex")
{
itemInfo->setSprite(filename, 0);
}
if (gender == "female" || gender == "unisex")
{
itemInfo->setSprite(filename, 1);
}
}
void loadSoundRef(ItemInfo *itemInfo, xmlNodePtr node)
{
std::string event = XML::getProperty(node, "event", "");
std::string filename = (const char*) node->xmlChildrenNode->content;
if (event == "hit")
{
itemInfo->addSound(EQUIP_EVENT_HIT, filename);
}
else if (event == "strike")
{
itemInfo->addSound(EQUIP_EVENT_STRIKE, filename);
}
else
{
logger->log("ItemDB: Ignoring unknown sound event '%s'",
event.c_str());
}
}
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