More work on OTBM/OTB/XML

src/framework/core/binarytree.cpp

@@ -181,32 +181,3 @@ Point BinaryTree::getPoint()
     ret.y = getU8();
     return ret;
 }
-
-/// BinaryWriteTree
-BinaryWriteTree::BinaryWriteTree(const FileStreamPtr& fin) :
-    m_fin(fin)
-{
-}
-
-BinaryWriteTree::~BinaryWriteTree()
-{
-    m_fin->close();
-    m_fin = nullptr;
-}
-
-void BinaryWriteTree::startNode(uint8 type)
-{
-    writeU8(BINARYTREE_NODE_START);
-    writeU8(type);
-}
-
-void BinaryWriteTree::endNode()
-{
-    writeU8(BINARYTREE_NODE_END);
-}
-
-void BinaryWriteTree::writeU8(uint8 u8) { m_fin->addU8(u8); }
-void BinaryWriteTree::writeU16(uint16 u16) { m_fin->addU16(u16); }
-void BinaryWriteTree::writeU32(uint32 u32) { m_fin->addU32(u32); }
-void BinaryWriteTree::writeString(const std::string& str) { m_fin->addString(str); }
-

src/framework/core/binarytree.h

@@ -66,25 +66,4 @@ private:
     uint m_startPos;
 };
 
-class BinaryWriteTree : public stdext::shared_object
-{
-public:
-    BinaryWriteTree(const FileStreamPtr& fin);
-    ~BinaryWriteTree();
-
-    void startNode(uint8 type);
-    void endNode();
-
-    void writeU8(uint8 u8);
-    void writeU16(uint16 u16);
-    void writeU32(uint32 u32);
-    void writeString(const std::string& str);
-
-    void writePoint(const Point& p) { writeU8(p.x); writeU8(p.y); }
-    void writePos(const Position& p) { writeU16(p.x); writeU16(p.y); writeU8(p.z); }
-
-private:
-    FileStreamPtr m_fin;
-};
-
 #endif

src/framework/core/filestream.cpp

@@ -267,6 +267,17 @@ BinaryTreePtr FileStream::getBinaryTree()
     return BinaryTreePtr(new BinaryTree(asFileStream()));
 }
 
+void FileStream::startNode(uint8 n)
+{
+    addU8(BINARYTREE_NODE_START);
+    addU8(n);
+}
+
+void FileStream::endNode()
+{
+    addU8(BINARYTREE_NODE_END);
+}
+
 void FileStream::addU8(uint8 v)
 {
     if(!m_caching) {

src/framework/core/filestream.h

@@ -26,6 +26,8 @@
 #include "declarations.h"
 #include <framework/luaengine/luaobject.h>
 #include <framework/util/databuffer.h>
+#include <otclient/position.h>
+#include <framework/util/point.h>
 
 struct PHYSFS_File;
 
@@ -55,11 +57,15 @@ public:
     std::string getString();
     BinaryTreePtr getBinaryTree();
 
+    void startNode(uint8 n);
+    void endNode();
     void addU8(uint8 v);
     void addU16(uint16 v);
     void addU32(uint32 v);
     void addU64(uint64 v);
     void addString(const std::string& v);
+    void addPos(const Position& pos) { addU16(pos.x); addU16(pos.y); addU8(pos.z); }
+    void addPoint(const Point& p) { addU8(p.x); addU8(p.y); }
 
     FileStreamPtr asFileStream() { return static_self_cast<FileStream>(); }
 

src/otclient/creatures.cpp

@@ -26,6 +26,8 @@
 #include <framework/core/resourcemanager.h>
 #include <boost/filesystem.hpp>
 
+Creatures g_creatures;
+
 void Creatures::loadMonsters(const std::string& file)
 {
     TiXmlDocument doc;
@@ -127,7 +129,7 @@ bool Creatures::m_loadCreatureBuffer(TiXmlElement* attrib, const CreatureTypePtr
     return type >= 0;
 }
 
-CreatureTypePtr Creatures::getCreature(std::string name)
+CreatureTypePtr Creatures::getCreatureByName(std::string name)
 {
     stdext::tolower(name);
     stdext::trim(name);
@@ -135,3 +137,14 @@ CreatureTypePtr Creatures::getCreature(std::string name)
                            [=] (const CreatureTypePtr& m) -> bool { return m->getName() == name; });
     return it != m_creatures.end() ? *it : nullptr;
 }
+
+CreatureTypePtr Creatures::getCreatureByLook(int look)
+{
+    auto findFun = [=] (const CreatureTypePtr& c) -> bool
+    {
+        const Outfit& o = c->getOutfit();
+        return o.getId() == look;
+    };
+    auto it = std::find_if(m_creatures.begin(), m_creatures.end(), findFun);
+    return it != m_creatures.end() ? *it : nullptr;
+}

src/otclient/creatures.h

@@ -41,14 +41,15 @@ public:
     CreatureType() { }
     CreatureType(const std::string& name) { setName(name); }
 
-    void setName(const std::string& name) { m_attribs.set(CreatureAttrName, name); }
-    void setOutfit(const Outfit& o) { m_attribs.set(CreatureAttrOutfit, o); }
     void setSpawnTime(int spawnTime) { m_attribs.set(CreatureAttrSpawnTime, spawnTime); }
-
-    std::string getName() { return m_attribs.get<std::string>(CreatureAttrName); }
-    Outfit getOutfit() { return m_attribs.get<Outfit>(CreatureAttrOutfit); }
     int getSpawnTime() { return m_attribs.get<int>(CreatureAttrSpawnTime); }
 
+    void setName(const std::string& name) { m_attribs.set(CreatureAttrName, name); }
+    std::string getName() { return m_attribs.get<std::string>(CreatureAttrName); }
+
+    void setOutfit(const Outfit& o) { m_attribs.set(CreatureAttrOutfit, o); }
+    Outfit getOutfit() { return m_attribs.get<Outfit>(CreatureAttrOutfit); }
+
 private:
     stdext::dynamic_storage<uint8> m_attribs;
 };
@@ -63,7 +64,9 @@ public:
     void loadNpcs(const std::string& folder);
     void loadCreatureBuffer(const std::string& buffer);
 
-    CreatureTypePtr getCreature(std::string name);
+    CreatureTypePtr getCreatureByName(std::string name);
+    CreatureTypePtr getCreatureByLook(int look);
+
     bool isLoaded() const { return m_loaded; }
 
 protected:
@@ -74,4 +77,6 @@ private:
     stdext::boolean<false> m_loaded;
 };
 
+extern Creatures g_creatures;
+
 #endif

src/otclient/effect.cpp

@@ -42,7 +42,7 @@ void Effect::onAppear()
 
     // hack to fix some animation phases duration, currently there is no better solution
     if(m_id == 33)
-        m_phaseDuration *= 4;
+        m_phaseDuration <<= 2;
 
     // schedule removal
     auto self = asEffect();

src/otclient/item.cpp

@@ -268,41 +268,45 @@ void Item::unserializeItem(const BinaryTreePtr &in)
     }
 }
 
-void Item::serializeItem(const BinaryWriteTreePtr& out)
+void Item::serializeItem(const FileStreamPtr& out)
 {
     out->startNode(OTBM_ITEM);
-    out->writeU16(getId());
+    out->addU16(getId());
 
-    out->writeU8(ATTR_COUNT);
+    out->addU8(ATTR_COUNT);
-    out->writeU8(getCount());
+    out->addU8(getCount());
 
-    out->writeU8(ATTR_CHARGES);
+    out->addU8(ATTR_CHARGES);
-    out->writeU16(getCountOrSubType());
+    out->addU16(getCountOrSubType());
 
     Position dest = m_attribs.get<Position>(ATTR_TELE_DEST);
     if(dest.isValid()) {
-        out->writeU8(ATTR_TELE_DEST);
+        out->addU8(ATTR_TELE_DEST);
-        out->writePos(dest);
+        out->addPos(dest);
     }
 
     if(isDepot()) {
-        out->writeU8(ATTR_DEPOT_ID);
+        out->addU8(ATTR_DEPOT_ID);
-        out->writeU16(getDepotId());
+        out->addU16(getDepotId());
     }
 
     uint16 aid = m_attribs.get<uint16>(ATTR_ACTION_ID);
     uint16 uid = m_attribs.get<uint16>(ATTR_UNIQUE_ID);
     if(aid) {
-        out->writeU8(ATTR_ACTION_ID);
+        out->addU8(ATTR_ACTION_ID);
-        out->writeU16(aid);
+        out->addU16(aid);
     }
 
     if(uid) {
-        out->writeU8(ATTR_UNIQUE_ID);
+        out->addU8(ATTR_UNIQUE_ID);
-        out->writeU16(uid);
+        out->addU16(uid);
     }
 
     out->endNode();
+    if(!m_containerItems.empty()) {
+        for(auto c : m_containerItems)
+            c->serializeItem(out);
+    }
 }
 
 int Item::getSubType()

src/otclient/item.h

@@ -98,7 +98,7 @@ public:
     ItemPtr clone();
 
     void unserializeItem(const BinaryTreePtr& in);
-    void serializeItem(const BinaryWriteTreePtr& out);
+    void serializeItem(const FileStreamPtr& out);
 
     void setDepotId(uint16 depotId) { m_attribs.set(ATTR_DEPOT_ID, depotId); }
     uint16 getDepotId() { return m_attribs.get<uint16>(ATTR_DEPOT_ID); }
@@ -119,6 +119,8 @@ public:
     ItemPtr asItem() { return static_self_cast<Item>(); }
     bool isItem() { return true; }
 
+    void addContainerItem(const ItemPtr& i) { m_containerItems.push_back(i); }
+
     const ThingTypePtr& getThingType();
     ThingType *rawGetThingType();
 
@@ -127,6 +129,7 @@ private:
     uint16 m_otbId;
     uint8 m_countOrSubType;
     stdext::packed_storage<uint8> m_attribs;
+    std::vector<ItemPtr> m_containerItems;
 };
 
 #pragma pack(pop)

src/otclient/itemtype.cpp

@@ -41,6 +41,7 @@ void ItemType::unserialize(const BinaryTreePtr& node)
     node->getU32(); // flags
 
     static uint16 lastId = 99;
+    static ItemTypePtr nullType = g_things.getNullItemType();
     while(node->canRead()) {
         uint8 attr = node->getU8();
         if(attr == 0 || attr == 0xFF)
@@ -53,10 +54,13 @@ void ItemType::unserialize(const BinaryTreePtr& node)
                 if(serverId > 20000 && serverId < 20100) {
                     serverId -= 20000;
                 } else if(lastId > 99 && lastId != serverId - 1) {
-                    while(lastId != serverId - 1)
+                    while(lastId != serverId - 1) {
-                        ++lastId;
+                        nullType->setServerId(lastId++);
+                        g_things.addItemType(nullType);
+                    }
                 }
                 setServerId(serverId);
+                lastId = serverId;
                 break;
             }
             case ItemTypeAttrClientId: {
@@ -67,10 +71,6 @@ void ItemType::unserialize(const BinaryTreePtr& node)
                 setName(node->getString(len));
                 break;
             }
-            case ItemTypeAttrDesc: {
-                setDesc(node->getString());
-                break;
-            }
             default:
                 node->skip(len); // skip attribute
                 break;

src/otclient/itemtype.h

@@ -28,7 +28,7 @@
 #include <framework/luaengine/luaobject.h>
 #include <framework/xml/tinyxml.h>
 
-enum ItemCategory {
+enum ItemCategory : uint8 {
     ItemCategoryInvalid      = 0,
     ItemCategoryGround       = 1,
     ItemCategoryContainer    = 2,
@@ -86,19 +86,23 @@ public:
 
     void unserialize(const BinaryTreePtr& node);
 
+    void setServerId(uint16 serverId) { m_attribs.set(ItemTypeAttrServerId, serverId); }
     uint16 getServerId() { return m_attribs.get<uint16>(ItemTypeAttrServerId); }
+
+    void setClientId(uint16 clientId) { m_attribs.set(ItemTypeAttrClientId, clientId); }
     uint16 getClientId() { return m_attribs.get<uint16>(ItemTypeAttrClientId); }
+
+    void setCategory(ItemCategory category) { m_category = category; }
     ItemCategory getCategory() { return m_category; }
+
+    void setName(const std::string& name) { m_attribs.set(ItemTypeAttrName, name); }
     std::string getName() { return m_attribs.get<std::string>(ItemTypeAttrName); }
+
+    void setDesc(const std::string& desc) { m_attribs.set(ItemTypeAttrDesc, desc); }
     std::string getDesc() { return m_attribs.get<std::string>(ItemTypeAttrDesc); }
 
     bool isNull() { return m_null; }
 
-    void setClientId(uint16 clientId) { m_attribs.set(ItemTypeAttrClientId, clientId); }
-    void setServerId(uint16 serverId) { m_attribs.set(ItemTypeAttrServerId, serverId); }
-    void setName(const std::string& name) { m_attribs.set(ItemTypeAttrName, name); }
-    void setDesc(const std::string& desc) { m_attribs.set(ItemTypeAttrDesc, desc); }
-
 private:
     ItemCategory m_category;
     stdext::boolean<true> m_null;

src/otclient/luafunctions.cpp

@@ -59,9 +59,11 @@ void OTClient::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_things", "getDatSignature", &ThingTypeManager::getDatSignature, &g_things);
     g_lua.bindSingletonFunction("g_things", "getThingType", &ThingTypeManager::getThingType, &g_things);
     g_lua.bindSingletonFunction("g_things", "getItemType", &ThingTypeManager::getItemType, &g_things);
+    g_lua.bindSingletonFunction("g_things", "getThingTypes", &ThingTypeManager::getThingTypes, &g_things);
     g_lua.bindSingletonFunction("g_things", "findItemTypeByClientId", &ThingTypeManager::findItemTypeByClientId, &g_things);
     g_lua.bindSingletonFunction("g_things", "findThingTypeByAttr", &ThingTypeManager::findThingTypeByAttr, &g_things);
     g_lua.bindSingletonFunction("g_things", "findItemTypeByCategory", &ThingTypeManager::findItemTypeByCategory, &g_things);
+    g_lua.bindSingletonFunction("g_things", "castThingToCreature", &ThingTypeManager::castThingToCreature, &g_things);
 
 #if 0
     g_lua.registerSingletonClass("g_houses");
@@ -112,6 +114,11 @@ void OTClient::registerLuaFunctions()
     g_lua.bindSingletonFunction("g_map", "getHouse", &Map::getHouse, &g_map);
     g_lua.bindSingletonFunction("g_map", "getCreature", &Map::getCreature, &g_map);
 
+    /// \todo move creatures from Map to here
+    g_lua.registerSingletonClass("g_creatures");
+    g_lua.bindSingletonFunction("g_creatures", "getCreature", &Creatures::getCreatureByName, &g_creatures);
+    g_lua.bindSingletonFunction("g_creatures", "getCreatureByLook", &Creatures::getCreatureByLook, &g_creatures);
+
     g_lua.registerSingletonClass("g_game");
     g_lua.bindSingletonFunction("g_game", "loginWorld", &Game::loginWorld, &g_game);
     g_lua.bindSingletonFunction("g_game", "cancelLogin", &Game::cancelLogin, &g_game);
@@ -340,6 +347,7 @@ void OTClient::registerLuaFunctions()
     g_lua.bindClassMemberFunction<ThingType>("getId", &ThingType::getId);
     g_lua.bindClassMemberFunction<ThingType>("getMarketData", &ThingType::getMarketData);
     g_lua.bindClassMemberFunction<ThingType>("getClothSlot", &ThingType::getClothSlot);
+    g_lua.bindClassMemberFunction<ThingType>("getCategory", &ThingType::getCategory);
 
     g_lua.registerClass<Item, Thing>();
     g_lua.bindClassStaticFunction<Item>("create", &Item::create);

src/otclient/map.cpp

@@ -69,7 +69,7 @@ void Map::clean()
 
     m_towns.clear();
     m_houses.clear();
-    m_creatures.clear();
+    g_creatures.clear();
     m_tilesRect = Rect(65534, 65534, 0, 0);
 }
 

src/otclient/map.h

@@ -187,7 +187,7 @@ public:
     void saveOtbm(const std::string& fileName);
 
     void loadSpawns(const std::string& fileName);
-    void saveSpawns(const std::string&) { }
+    void saveSpawns(const std::string&);
 
     // otbm attributes (description, size, etc.)
     void setHouseFile(const std::string& file) { m_attribs.set(OTBM_ATTR_HOUSE_FILE, file); }
@@ -201,9 +201,9 @@ public:
     Size getSize() { return Size(m_attribs.get<uint16>(OTBM_ATTR_WIDTH), m_attribs.get<uint16>(OTBM_ATTR_HEIGHT)); }
     std::vector<std::string> getDescriptions() { return stdext::split(m_attribs.get<std::string>(OTBM_ATTR_DESCRIPTION), "\n"); }
 
-    void loadMonsters(const std::string& fileName) { m_creatures.loadMonsters(fileName); }
+    void loadMonsters(const std::string& fileName) { g_creatures.loadMonsters(fileName); }
-    void loadSingleCreature(const std::string& file) { m_creatures.loadSingleCreature(file); }
+    void loadSingleCreature(const std::string& file) { g_creatures.loadSingleCreature(file); }
-    void loadNpcs(const std::string& folder) { m_creatures.loadNpcs(folder); }
+    void loadNpcs(const std::string& folder) { g_creatures.loadNpcs(folder); }
 
     void clean();
     void cleanDynamicThings();
@@ -234,7 +234,7 @@ public:
     // town/house/monster related
     TownPtr getTown(uint32 tid) { return m_towns.getTown(tid); }
     HousePtr getHouse(uint32 hid) { return m_houses.getHouse(hid); }
-    CreatureTypePtr getCreature(const std::string &name) { return m_creatures.getCreature(name); }
+    CreatureTypePtr getCreature(const std::string &name) { return g_creatures.getCreatureByName(name); }
 
     void setLight(const Light& light) { m_light = light; }
     void setCentralPosition(const Position& centralPosition);
@@ -273,7 +273,6 @@ private:
     stdext::packed_storage<uint8> m_attribs;
     Houses m_houses;
     Towns m_towns;
-    Creatures m_creatures;
     static TilePtr m_nulltile;
 };
 

src/otclient/mapio.cpp

@@ -95,7 +95,7 @@ void Map::loadOtbm(const std::string& fileName)
         }
     }
 
-    for(const BinaryTreePtr &nodeMapData : node->getChildren()) {
+    for(const BinaryTreePtr& nodeMapData : node->getChildren()) {
         uint8 mapDataType = nodeMapData->getU8();
         if(mapDataType == OTBM_TILE_AREA) {
             Position basePos = nodeMapData->getPosition();
@@ -149,7 +149,7 @@ void Map::loadOtbm(const std::string& fileName)
                     }
                 }
 
-                for(const BinaryTreePtr &nodeItem : nodeTile->getChildren()) {
+                for(const BinaryTreePtr& nodeItem : nodeTile->getChildren()) {
                     if(nodeItem->getU8() != OTBM_ITEM)
                         stdext::throw_exception("invalid item node");
 
@@ -163,7 +163,7 @@ void Map::loadOtbm(const std::string& fileName)
 
                             ItemPtr cItem = Item::createFromOtb(containerItem->getU16());
                             cItem->unserializeItem(containerItem);
-                            //item->addContainerItem(cItem);
+                            item->addContainerItem(cItem);
                         }
                     }
 
@@ -175,8 +175,11 @@ void Map::loadOtbm(const std::string& fileName)
                     addThing(item, pos);
                 }
 
-                if(const TilePtr& tile = getTile(pos))
+                if(const TilePtr& tile = getTile(pos)) {
+                    if(house)
+                        tile->setHouseId(house->getId());
                     tile->setFlags((tileflags_t)flags);
+                }
             }
         } else if(mapDataType == OTBM_TOWNS) {
             TownPtr town = nullptr;
@@ -263,41 +266,40 @@ void Map::saveOtbm(const std::string &fileName)
 #endif
 
     fin->addU32(0); // file version
-    BinaryWriteTreePtr root(new BinaryWriteTree(fin));
+    fin->startNode(0);
-    root->startNode(0);
     {
-        root->writeU32(version);
+        fin->addU32(version);
 
         Size mapSize = getSize();
-        root->writeU16(mapSize.width());
+        fin->addU16(mapSize.width());
-        root->writeU16(mapSize.height());
+        fin->addU16(mapSize.height());
 
-        root->writeU32(g_things.getOtbMajorVersion());
+        fin->addU32(g_things.getOtbMajorVersion());
-        root->writeU32(g_things.getOtbMinorVersion());
+        fin->addU32(g_things.getOtbMinorVersion());
 
-        root->startNode(OTBM_MAP_DATA);
+        fin->startNode(OTBM_MAP_DATA);
         {
             // own description.
             for(const auto& desc : getDescriptions()) {
-                root->writeU8(OTBM_ATTR_DESCRIPTION);
+                fin->addU8(OTBM_ATTR_DESCRIPTION);
-                root->writeString(desc);
+                fin->addString(desc);
             }
 
             // special one
-            root->writeU8(OTBM_ATTR_DESCRIPTION);
+            fin->addU8(OTBM_ATTR_DESCRIPTION);
-            root->writeString(stdext::format("Saved with %s v%s", g_app.getName(), g_app.getVersion()));
+            fin->addString(stdext::format("Saved with %s v%s", g_app.getName(), g_app.getVersion()));
 
             // spawn file.
-            root->writeU8(OTBM_ATTR_SPAWN_FILE);
+            fin->addU8(OTBM_ATTR_SPAWN_FILE);
-            root->writeString(spawnFile);
+            fin->addString(spawnFile);
 
             // house file.
             if(version > 1) {
-                root->writeU8(OTBM_ATTR_HOUSE_FILE);
+                fin->addU8(OTBM_ATTR_HOUSE_FILE);
-                root->writeString(houseFile);
+                fin->addString(houseFile);
             }
 
-            Position base(-1, -1, -1);
+            Position base(0, 0, 0);
             bool firstNode = true;
 
             for(uint8_t z = 0; z <= Otc::MAX_Z; ++z) {
@@ -311,71 +313,72 @@ void Map::saveOtbm(const std::string &fileName)
                         if(!pos.isValid())
                             continue;
 
-                        if(pos.x < base.x || pos.x >= base.x + 256 || pos.y < base.y|| pos.y >= base.y + 256 ||
+                        if(pos.x < base.x || pos.x >= base.x + 255
-                                pos.z != base.z) {
+                                || pos.y < base.y || pos.y >= base.y + 255
+                                || pos.z != base.z) {
                             if(!firstNode)
-                                root->endNode(); /// OTBM_TILE_AREA
+                                fin->endNode(); /// OTBM_TILE_AREA
 
-                            root->startNode(OTBM_TILE_AREA);
+                            fin->startNode(OTBM_TILE_AREA);
                             firstNode = false;
-                            root->writePos(base = pos & 0xFF00);
+                            fin->addPos(base = pos & 0xFF00);
                         }
 
                         uint32 flags = tile->getFlags();
 
-                        root->startNode((flags & TILESTATE_HOUSE) == TILESTATE_HOUSE ? OTBM_HOUSETILE : OTBM_TILE);
+                        fin->startNode((flags & TILESTATE_HOUSE) == TILESTATE_HOUSE ? OTBM_HOUSETILE : OTBM_TILE);
-                        root->writePoint(Point(pos.x, pos.y) & 0xFF);
+                        fin->addPoint(Point(pos.x, pos.y) & 0xFF);
-//                      if(tileNode->getType() == OTBM_HOUSETILE)
+                        if((flags & TILESTATE_HOUSE) == TILESTATE_HOUSE)
-//                          tileNode->writeU32(tile->getHouseId());
+                            fin->addU32(tile->getHouseId());
 
                         if(flags) {
-                            root->writeU8(OTBM_ATTR_TILE_FLAGS);
+                            fin->addU8(OTBM_ATTR_TILE_FLAGS);
-                            root->writeU32(flags);
+                            fin->addU32(flags);
                         }
 
                         for(const ItemPtr& item : tile->getItems()) {
                             if(item->isGround()) {
-                                root->writeU8(OTBM_ATTR_ITEM);
+                                fin->addU8(OTBM_ATTR_ITEM);
-                                root->writeU16(item->getId());
+                                fin->addU16(item->getId());
                                 continue;
                             }
 
-                            item->serializeItem(root); 
+                            item->serializeItem(fin);
                         }
 
-                        root->endNode(); // OTBM_TILE
+                        fin->endNode(); // OTBM_TILE
                     }
                 }
             }
 
             if(!firstNode)
-                root->endNode();  // OTBM_TILE_AREA
+                fin->endNode();  // OTBM_TILE_AREA
 
-            root->startNode(OTBM_TOWNS);
+            fin->startNode(OTBM_TOWNS);
             for(const TownPtr& town : m_towns.getTowns()) {
-                root->writeU32(town->getId());
+                fin->addU32(town->getId());
-                root->writeString(town->getName());
+                fin->addString(town->getName());
-                root->writePos(town->getPos());
+                fin->addPos(town->getPos());
             }
-            root->endNode();
+            fin->endNode();
 
             if(version > 1) {
-                root->startNode(OTBM_WAYPOINTS);
+                fin->startNode(OTBM_WAYPOINTS);
                 for(const auto& it : m_waypoints) {
-                    root->writeString(it.second);
+                    fin->addString(it.second);
-                    root->writePos(it.first);
+                    fin->addPos(it.first);
                 }
-                root->endNode();
+                fin->endNode();
             }
         }
-        root->endNode(); // OTBM_MAP_DATA
+        fin->endNode(); // OTBM_MAP_DATA
     }
-    root->endNode(); // 0 (root)
+    fin->endNode(); // 0 (root)
 }
 
 void Map::loadSpawns(const std::string &fileName)
 {
-    if(!m_creatures.isLoaded())
+    if(!g_creatures.isLoaded())
         stdext::throw_exception("cannot load spawns; monsters/nps aren't loaded.");
 
     TiXmlDocument doc;
@@ -401,7 +404,7 @@ void Map::loadSpawns(const std::string &fileName)
             stdext::tolower(cName);
             stdext::trim(cName);
 
-            if (!(cType = m_creatures.getCreature(cName)))
+            if (!(cType = g_creatures.getCreatureByName(cName)))
                 continue;
 
             cType->setSpawnTime(cNode->readType<int>("spawntime"));
@@ -420,6 +423,21 @@ void Map::loadSpawns(const std::string &fileName)
     }
 }
 
+void Map::saveSpawns(const std::string& fileName)
+{
+#if 0
+    TiXmlDocument doc;
+
+    TiXmlDeclaration* decl = new TiXmlDeclaration("1.0", "UTF-8", "");
+    doc.LinkEndChild(decl);
+
+    TiXmlElement* root = new TiXmlElement("spawns");
+    doc.LinkEndChild(root);
+
+    TiXmlElement* spawn = NULL;
+#endif
+}
+
 bool Map::loadOtcm(const std::string& fileName)
 {
     try {

src/otclient/thingtypemanager.cpp

@@ -25,6 +25,8 @@
 #include "thing.h"
 #include "thingtype.h"
 #include "itemtype.h"
+#include "creature.h"
+#include "creatures.h"
 
 #include <framework/core/resourcemanager.h>
 #include <framework/core/filestream.h>
@@ -125,7 +127,9 @@ void ThingTypeManager::loadOtb(const std::string& file)
 
 void ThingTypeManager::loadXml(const std::string& file)
 {
-    /// Read XML
+    if(!isOtbLoaded())
+        stdext::throw_exception("OTB must be loaded before XML");
+
     TiXmlDocument doc;
     doc.Parse(g_resources.loadFile(file).c_str());
     if(doc.Error())
@@ -140,19 +144,27 @@ void ThingTypeManager::loadXml(const std::string& file)
             continue;
 
         uint16 id = element->readType<uint16>("id");
-        if(id > 20000 && id < 20100) {
+        if(id != 0) {
-            id -= 20000;
+            std::vector<std::string> s_ids = stdext::split(element->Attribute("id"), ";");
-            ItemTypePtr newType(new ItemType);
+            for(const std::string& s : s_ids) {
-            newType->setServerId(id);
+                std::vector<int32> ids = stdext::split<int32>(s, "-");
-            addItemType(newType);
+                if(ids.size() > 1) {
-        }
+                    int32 i = ids[0];
-
+                    while(i <= ids[1])
-        if(id != 0)
+                        parseItemType(i++, element);
-            parseItemType(id, element);
+                } else
-        else {
+                    parseItemType(atoi(s.c_str()), element);
-            uint16 fromId = element->readType<uint16>("fromid"), toId = element->readType<uint16>("toid");
+            }
-            for(uint16 i = fromId; i < toId; ++i)
+        } else {
-                parseItemType(i, element);
+            std::vector<int32> begin = stdext::split<int32>(element->Attribute("fromid"), ";");
+            std::vector<int32> end   = stdext::split<int32>(element->Attribute("toid"), ";");
+            if(begin[0] && begin.size() == end.size()) {
+                size_t size = begin.size();
+                for(size_t i = 0; i < size; ++i) {
+                    while(begin[i] <= end[i])
+                        parseItemType(begin[i]++, element);
+                }
+            }
         }
     }
 
@@ -164,23 +176,53 @@ void ThingTypeManager::loadXml(const std::string& file)
 void ThingTypeManager::parseItemType(uint16 id, TiXmlElement* elem)
 {
     uint16 serverId = id;
+    ItemTypePtr itemType = nullptr;
     if(serverId > 20000 && id < 20100) {
         serverId -= 20000;
 
-        ItemTypePtr newType(new ItemType);
+        itemType = ItemTypePtr(new ItemType);
-        newType->setServerId(serverId);
+        itemType->setServerId(serverId);
-        addItemType(newType);
+        addItemType(itemType);
+    }
+
+    if(!itemType) {
+        itemType = getItemType(serverId);
+        if(itemType == m_nullItemType) {
+            itemType = ItemTypePtr(new ItemType);
+            itemType->setServerId(id);
+            addItemType(itemType);
+        }
     }
 
-    ItemTypePtr itemType = getItemType(serverId);
     itemType->setName(elem->Attribute("name"));
     for(TiXmlElement* attrib = elem->FirstChildElement(); attrib; attrib = attrib->NextSiblingElement()) {
-        if(attrib->ValueStr() != "attribute")
+        std::string key = attrib->Attribute("key");
-            break;
+        if(key.empty())
+            continue;
 
-        if(attrib->Attribute("key") == "description") {
+        stdext::tolower(key);
+        if(key == "description")
             itemType->setDesc(attrib->Attribute("value"));
-            break;
+        else if(key == "weapontype")
+            itemType->setCategory(ItemCategoryWeapon);
+        else if(key == "ammotype")
+            itemType->setCategory(ItemCategoryAmmunition);
+        else if(key == "armor")
+            itemType->setCategory(ItemCategoryArmor);
+        else if(key == "charges")
+            itemType->setCategory(ItemCategoryCharges);
+        else if(key == "type") {
+            std::string value = attrib->Attribute("value");
+            stdext::tolower(value);
+
+            if(value == "key")
+                itemType->setCategory(ItemCategoryKey);
+            else if(value == "magicfield")
+                itemType->setCategory(ItemCategoryMagicField);
+            else if(value == "teleport")
+                itemType->setCategory(ItemCategoryTeleport);
+            else if(value == "door")
+                itemType->setCategory(ItemCategoryDoor);
         }
     }
 }
@@ -189,7 +231,7 @@ void ThingTypeManager::addItemType(const ItemTypePtr& itemType)
 {
     uint16 id = itemType->getServerId();
     if(m_itemTypes.size() <= id)
-        m_itemTypes.resize(id+1, m_nullItemType);
+        m_itemTypes.resize((id * 3) / 2 + 1, m_nullItemType);
     m_itemTypes[id] = itemType;
 }
 
@@ -217,13 +259,36 @@ const ThingTypePtr& ThingTypeManager::getThingType(uint16 id, ThingCategory cate
 
 const ItemTypePtr& ThingTypeManager::getItemType(uint16 id)
 {
-    if(id >= m_itemTypes.size()) {
+    if(id >= m_itemTypes.size() || m_itemTypes[id] == m_nullItemType) {
         g_logger.error(stdext::format("invalid thing type server id %d", id));
         return m_nullItemType;
     }
     return m_itemTypes[id];
 }
 
+CreaturePtr ThingTypeManager::castThingToCreature(const ThingTypePtr& thing)
+{
+    if(!thing)
+        return nullptr;
+
+    if(thing->getCategory() != ThingCategoryCreature)
+        stdext::throw_exception("Thing type is not a creature");
+
+    uint16 clientId = thing->getId();
+    CreaturePtr ret(new Creature);
+    CreatureTypePtr cType = g_creatures.getCreatureByLook(clientId);
+    if(!cType) {
+        // a creature can have a look item with whether client id or even server id
+        const ItemTypePtr& item = findItemTypeByClientId(clientId);
+        if(item && !(cType = g_creatures.getCreatureByLook(item->getServerId())))
+            stdext::throw_exception(stdext::format("failed to find creature with look type/item %hd", clientId));
+    }
+
+    ret->setName(cType->getName());
+    ret->setOutfit(cType->getOutfit());
+    return ret;
+}
+
 ThingTypeList ThingTypeManager::findThingTypeByAttr(ThingAttr attr, ThingCategory category)
 {
     ThingTypeList ret;

src/otclient/thingtypemanager.h

@@ -50,6 +50,7 @@ public:
     const ItemTypePtr& getItemType(uint16 id);
     ThingType* rawGetThingType(uint16 id, ThingCategory category) { return m_thingTypes[category][id].get(); }
     ItemType* rawGetItemType(uint16 id) { return m_itemTypes[id].get(); }
+    CreaturePtr castThingToCreature(const ThingTypePtr& thing);
 
     ThingTypeList findThingTypeByAttr(ThingAttr attr, ThingCategory category);
     ItemTypeList findItemTypeByCategory(ItemCategory category);

src/otclient/tile.h

@@ -109,7 +109,7 @@ public:
     void setFlags(tileflags_t flags) { m_flags |= (uint32)flags; }
     uint32 getFlags() { return m_flags; }
 
-    void setHouseId(uint32 hid) { if(m_flags & TILESTATE_HOUSE) m_houseId = hid; }
+    void setHouseId(uint32 hid) { m_houseId = hid; }
     uint32 getHouseId() { return m_houseId; }
 
     TilePtr asTile() { return static_self_cast<Tile>(); }