/*
* 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
*/
#include <cassert>
#include <libxml/tree.h>
#include "itemdb.h"
#include "iteminfo.h"
#include "resourcemanager.h"
#include "../log.h"
#include "../utils/dtor.h"
#include "../utils/gettext.h"
#include "../utils/strprintf.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);
static char const *const fields[][2] =
{
{ "attack", N_("Attack %+d") },
{ "defense", N_("Defense %+d") },
{ "hp", N_("HP %+d") },
{ "mp", N_("MP %+d") }
};
static ItemType itemTypeFromString(const std::string &name, int id = 0)
{
if (name=="generic") return ITEM_UNUSABLE;
else if (name=="usable") return ITEM_USABLE;
else if (name=="equip-1hand") return ITEM_EQUIPMENT_ONE_HAND_WEAPON;
else if (name=="equip-2hand") return ITEM_EQUIPMENT_TWO_HANDS_WEAPON;
else if (name=="equip-torso") return ITEM_EQUIPMENT_TORSO;
else if (name=="equip-arms") return ITEM_EQUIPMENT_ARMS;
else if (name=="equip-head") return ITEM_EQUIPMENT_HEAD;
else if (name=="equip-legs") return ITEM_EQUIPMENT_LEGS;
else if (name=="equip-shield") return ITEM_EQUIPMENT_SHIELD;
else if (name=="equip-ring") return ITEM_EQUIPMENT_RING;
else if (name=="equip-necklace") return ITEM_EQUIPMENT_NECKLACE;
else if (name=="equip-feet") return ITEM_EQUIPMENT_FEET;
else if (name=="equip-ammo") return ITEM_EQUIPMENT_AMMO;
else return ITEM_UNUSABLE;
}
static WeaponType weaponTypeFromString(const std::string &name, int id = 0)
{
if (name=="knife") return WPNTYPE_KNIFE;
else if (name=="sword") return WPNTYPE_SWORD;
else if (name=="polearm") return WPNTYPE_POLEARM;
else if (name=="staff") return WPNTYPE_STAFF;
else if (name=="whip") return WPNTYPE_WHIP;
else if (name=="bow") return WPNTYPE_BOW;
else if (name=="shooting") return WPNTYPE_SHOOTING;
else if (name=="mace") return WPNTYPE_MACE;
else if (name=="axe") return WPNTYPE_AXE;
else if (name=="thrown") return WPNTYPE_THROWN;
else return WPNTYPE_NONE;
}
void ItemDB::load()
{
if (mLoaded)
return;
logger->log("Initializing item database...");
mUnknown = new ItemInfo();
mUnknown->setName("Unknown item");
mUnknown->setImageName("");
mUnknown->setSprite("error.xml", GENDER_MALE);
mUnknown->setSprite("error.xml", GENDER_FEMALE);
XML::Document doc("items.xml");
xmlNodePtr rootNode = doc.rootNode();
if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "items"))
{
logger->error("ItemDB: Error while loading items.xml!");
}
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 = itemTypeFromString(XML::getProperty(node, "type", ""));
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", "");
int weaponType = weaponTypeFromString(XML::getProperty(node, "weapon-type", ""));
int attackRange = XML::getProperty(node, "attack-range", 0);
ItemInfo *itemInfo = new ItemInfo;
itemInfo->setImageName(image);
itemInfo->setName(name.empty() ? "Unnamed" : name);
itemInfo->setDescription(description);
itemInfo->setType(type);
itemInfo->setView(view);
itemInfo->setWeight(weight);
itemInfo->setWeaponType(weaponType);
itemInfo->setAttackRange(attackRange);
std::string effect;
for (int i = 0; i < int(sizeof(fields) / sizeof(fields[0])); ++i)
{
int value = XML::getProperty(node, fields[i][0], 0);
if (!value) continue;
if (!effect.empty()) effect += " / ";
effect += strprintf(gettext(fields[i][1]), value);
}
itemInfo->setEffect(effect);
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
}
mLoaded = true;
}
void ItemDB::unload()
{
logger->log("Unloading item database...");
delete mUnknown;
mUnknown = NULL;
delete_all(mItemInfos);
mItemInfos.clear();
mLoaded = false;
}
const ItemInfo& ItemDB::get(int id)
{
assert(mLoaded && id);
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, GENDER_MALE);
}
if (gender == "female" || gender == "unisex")
{
itemInfo->setSprite(filename, GENDER_FEMALE);
}
}
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());
}
}