Minimap fixes

* Fix infinite loop while loading minimap
* Fix errors in FileStream class
* Remake OTCM map format
* Fixes in UIMap

modules/game_minimap/minimap.lua

@@ -37,10 +37,9 @@ function Minimap.init()
   Keyboard.bindKeyDown('Ctrl+M', Minimap.toggle)
 
   minimapButton = TopMenu.addGameToggleButton('minimapButton', tr('Minimap') .. ' (Ctrl+M)', 'minimap.png', Minimap.toggle)
-  minimapButton:setOn(false)
+  minimapButton:setOn(true)
 
   minimapWindow = loadUI('minimap.otui', GameInterface.getRightPanel())
-  minimapWindow:setOn(true)
 
   minimapWidget = minimapWindow:recursiveGetChildById('minimap')
   minimapWidget:setAutoViewMode(false)

src/framework/core/filestream.cpp

@@ -48,9 +48,8 @@ void FileStream::cache()
     PHYSFS_seek(m_fileHandle, 0);
     int size = PHYSFS_fileLength(m_fileHandle);
     m_data.resize(size);
-    int res = PHYSFS_read(m_fileHandle, &m_data[0], size, 1);
-    if(res == -1)
-        throwError("unable to read file data");
+    if(PHYSFS_read(m_fileHandle, &m_data[0], size, 1) == -1)
+        throwError("unable to read file data", true);
 
     close();
 }
@@ -59,7 +58,7 @@ void FileStream::close()
 {
     if(m_fileHandle) {
         if(!PHYSFS_close(m_fileHandle))
-            throwError("close failed");
+            throwError("close failed", true);
         m_fileHandle = nullptr;
     } else {
         m_data.clear();
@@ -70,7 +69,7 @@ void FileStream::close()
 void FileStream::flush()
 {
     if(m_fileHandle && PHYSFS_flush(m_fileHandle) == 0)
-        throwError("flush failed");
+        throwError("flush failed", true);
 }
 
 int FileStream::read(void *buffer, uint32 size, uint32 nmemb)
@@ -78,7 +77,7 @@ int FileStream::read(void *buffer, uint32 size, uint32 nmemb)
     if(m_fileHandle) {
         int res = PHYSFS_read(m_fileHandle, buffer, size, nmemb);
         if(res == -1)
-            throwError("read failed");
+            throwError("read failed", true);
         return res;
     } else {
         uint maxReadPos = m_data.size()-1;
@@ -95,17 +94,17 @@ int FileStream::read(void *buffer, uint32 size, uint32 nmemb)
     }
 }
 
-void FileStream::write(void *buffer, uint32 count)
+void FileStream::write(const void *buffer, uint32 count)
 {
     if(PHYSFS_write(m_fileHandle, buffer, 1, count) != count)
-        throwError("write failed");
+        throwError("write failed", true);
 }
 
 void FileStream::seek(uint32 pos)
 {
     if(m_fileHandle) {
         if(!PHYSFS_seek(m_fileHandle, pos))
-            throwError("seek failed");
+            throwError("seek failed", true);
     } else {
         if(pos > m_data.size())
             throwError("seek failed");
@@ -139,7 +138,7 @@ uint8 FileStream::getU8()
     uint8 v = 0;
     if(m_fileHandle) {
         if(PHYSFS_read(m_fileHandle, &v, 1, 1) != 1)
-            throwError("read failed");
+            throwError("read failed", true);
     } else {
         if(m_pos+1 > m_data.size())
             throwError("read failed");
@@ -155,7 +154,7 @@ uint16 FileStream::getU16()
     uint16 v = 0;
     if(m_fileHandle) {
         if(PHYSFS_readULE16(m_fileHandle, &v) == 0)
-            throwError("read failed");
+            throwError("read failed", true);
     } else {
         if(m_pos+2 > m_data.size())
             throwError("read failed");
@@ -171,7 +170,7 @@ uint32 FileStream::getU32()
     uint32 v = 0;
     if(m_fileHandle) {
         if(PHYSFS_readULE32(m_fileHandle, &v) == 0)
-            throwError("read failed");
+            throwError("read failed", true);
     } else {
         if(m_pos+4 > m_data.size())
             throwError("read failed");
@@ -187,7 +186,7 @@ uint64 FileStream::getU64()
     uint64 v = 0;
     if(m_fileHandle) {
         if(PHYSFS_readULE64(m_fileHandle, (PHYSFS_uint64*)&v) == 0)
-            throwError("read failed");
+            throwError("read failed", true);
     } else {
         if(m_pos+8 > m_data.size())
             throwError("read failed");
@@ -200,12 +199,12 @@ uint64 FileStream::getU64()
 std::string FileStream::getString()
 {
     std::string str;
-    int len = getU16();
+    uint16 len = getU16();
     if(len > 0 && len < 8192) {
         char buffer[8192];
         if(m_fileHandle) {
             if(PHYSFS_read(m_fileHandle, buffer, 1, len) == 0)
-                throwError("read failed");
+                throwError("read failed", true);
             else
                 str = std::string(buffer, len);
         } else {
@@ -217,42 +216,45 @@ std::string FileStream::getString()
             str = std::string((char*)&m_data[m_pos], len);
             m_pos += len;
         }
-    } else {
-    }
+    } else if(len != 0)
+        throwError("read failed because string is too big");
     return str;
 }
 
 void FileStream::addU8(uint8 v)
 {
     if(PHYSFS_write(m_fileHandle, &v, 1, 1) != 1)
-        throwError("write failed");
+        throwError("write failed", true);
 }
 
-void FileStream::addU16(uint8 v)
+void FileStream::addU16(uint16 v)
 {
     if(PHYSFS_writeULE16(m_fileHandle, v) == 0)
-        throwError("write failed");
+        throwError("write failed", true);
 }
 
-void FileStream::addU32(uint8 v)
+void FileStream::addU32(uint32 v)
 {
     if(PHYSFS_writeULE32(m_fileHandle, v) == 0)
-        throwError("write failed");
+        throwError("write failed", true);
 }
 
-void FileStream::addU64(uint8 v)
+void FileStream::addU64(uint64 v)
 {
     if(PHYSFS_writeULE64(m_fileHandle, v) == 0)
-        throwError("write failed");
+        throwError("write failed", true);
 }
 
-void FileStream::throwError(const std::string& message)
+void FileStream::addString(const std::string& v)
+{
+    addU16(v.length());
+    write(v.c_str(), v.length());
+}
+
+void FileStream::throwError(const std::string& message, bool physfsError)
 {
     std::string completeMessage = stdext::format("in file '%s': %s", m_name, message);
-    if(m_fileHandle) {
-        const char *errorMessage = PHYSFS_getLastError();
-        if(errorMessage)
-            completeMessage += std::string(": ") + errorMessage;
-    }
+    if(physfsError)
+        completeMessage += std::string(": ") + PHYSFS_getLastError();
     stdext::throw_exception(completeMessage);
 }

src/framework/core/filestream.h

@@ -38,7 +38,7 @@ public:
     void cache();
     void close();
     void flush();
-    void write(void *buffer, uint count);
+    void write(const void *buffer, uint count);
     int read(void *buffer, uint size, uint nmemb = 1);
     void seek(uint pos);
     void skip(uint len);
@@ -53,13 +53,14 @@ public:
     std::string getString();
 
     void addU8(uint8 v);
-    void addU16(uint8 v);
-    void addU32(uint8 v);
-    void addU64(uint8 v);
+    void addU16(uint16 v);
+    void addU32(uint32 v);
+    void addU64(uint64 v);
+    void addString(const std::string& v);
 
 private:
     void checkWrite();
-    void throwError(const std::string& message);
+    void throwError(const std::string& message, bool physfsError = false);
 
     std::string m_name;
     PHYSFS_File *m_fileHandle;

src/otclient/core/item.cpp

@@ -196,6 +196,11 @@ void Item::setOtbId(uint16 id)
     m_id = m_datType->getId();
 }
 
+bool Item::isValid()
+{
+    return g_things.isValidDatId(m_id, DatItemCategory);
+}
+
 bool Item::unserializeAttr(FileStreamPtr fin)
 {
     uint8 attrType;

src/otclient/core/item.h

@@ -95,6 +95,7 @@ public:
     int getCount() { return m_countOrSubType; }
     uint32 getId() { return m_id; }
     std::string getName() { return m_name; }
+    bool isValid();
 
     ItemPtr asItem() { return std::static_pointer_cast<Item>(shared_from_this()); }
     bool isItem() { return true; }
@@ -104,8 +105,6 @@ public:
     bool unserializeItemNode(FileStreamPtr fin, uint8) { return unserializeAttr(fin); }
     void readAttr(AttrTypes_t attrType, FileStreamPtr fin);
 
-    bool isMoveable() { return false; }
-
 private:
     uint16 m_id;
     uint8 m_countOrSubType;

src/otclient/core/map.cpp

@@ -284,61 +284,112 @@ bool Map::loadOtbm(const std::string& fileName)
 
 bool Map::loadOtcm(const std::string& fileName)
 {
-    if(!g_resources.fileExists(fileName)) {
-        g_logger.error(stdext::format("Unable to load map '%s'", fileName));
-        return false;
-    }
+    try {
+        FileStreamPtr fin = g_resources.openFile(fileName);
 
-    std::stringstream in;
-    g_resources.loadFile(fileName, in);
+        uint32 signature = fin->getU32();
+        if(signature != OTCM_SIGNATURE)
+            stdext::throw_exception("invalid otcm file");
 
-    while(!in.eof()) {
-        Position pos;
-        in.read((char*)&pos, sizeof(pos));
-
-        uint16 id;
-        in.read((char*)&id, sizeof(id));
-        while(id != 0xFFFF) {
-            ItemPtr item = Item::create(id);
-            if(item->isStackable() || item->isFluidContainer() || item->isFluid()) {
-                uint8 countOrSubType;
-                in.read((char*)&countOrSubType, sizeof(countOrSubType));
-                item->setCountOrSubType(countOrSubType);
+        uint16 version = fin->getU16();
+        switch(version) {
+            case 1: {
+                fin->getString(); // description
+                uint32 datSignature = fin->getU32();
+                fin->getU16(); // protocol version
+                fin->getString(); // world name
+
+                if(datSignature != g_things.getDatSignature())
+                    g_logger.warning("otcm map loaded is was created with a different dat signature");
+
+                break;
             }
-            addThing(item, pos, 255);
-            in.read((char*)&id, sizeof(id));
+            default:
+                stdext::throw_exception("otcm version not supported");
+                break;
         }
-    }
 
-    return true;
+        while(true) {
+            Position pos;
+            pos.x = fin->getU16();
+            pos.y = fin->getU16();
+            pos.z = fin->getU8();
+
+            // end of file
+            if(!pos.isValid())
+                break;
+
+            while(true) {
+                uint16 id = fin->getU16();
+
+                // end of tile
+                if(id == 0xFFFF)
+                    break;
+
+                uint8 countOrSubType = fin->getU8();
+
+                ItemPtr item = Item::create(id);
+                if(item->isStackable() || item->isFluidContainer() || item->isFluid())
+                    item->setCountOrSubType(countOrSubType);
+
+                if(item->isValid())
+                    addThing(item, pos, 255);
+            }
+        }
+
+        fin->close();
+        return true;
+    } catch(stdext::exception& e) {
+        g_logger.error(stdext::format("failed to load OTCM map: %s", e.what()));
+        return false;
+    }
 }
 
 void Map::saveOtcm(const std::string& fileName)
 {
-    std::stringstream out;
-
-    uint16 id;
-    for(auto& pair : m_tiles) {
-        Position pos = pair.first;
-        TilePtr tile = pair.second;
-        if(!tile || tile->isEmpty())
-            continue;
-        out.write((char*)&pos, sizeof(pos));
-        for(const ThingPtr& thing : tile->getThings()) {
-            if(ItemPtr item = thing->asItem()) {
-                id = item->getId();
-                out.write((char*)&id, sizeof(id));
-                if(item->isStackable() || item->isFluidContainer() || item->isFluid()) {
-                    uint8 countOrSubType = item->getCountOrSubType();
-                    out.write((char*)&countOrSubType, sizeof(countOrSubType));
-                }
+    try {
+        FileStreamPtr fin = g_resources.createFile(fileName);
+
+        fin->addU32(OTCM_SIGNATURE);
+        fin->addU16(OTCM_VERSION);
+        fin->addString("OTCM 1.0");
+        fin->addU32(g_things.getDatSignature());
+        fin->addU16(g_game.getProtocolVersion());
+        fin->addString(g_game.getWorldName());
+
+        for(auto& pair : m_tiles) {
+            TilePtr tile = pair.second;
+            if(!tile || tile->isEmpty())
+                continue;
+
+            Position pos = pair.first;
+            fin->addU16(pos.x);
+            fin->addU16(pos.y);
+            fin->addU8(pos.z);
+
+            const auto& list = tile->getThings();
+            auto first = std::find_if(list.begin(), list.end(), [](const ThingPtr& thing) { return thing->isItem(); });
+            for(auto it = first, end = list.end(); it != end; ++it) {
+                ItemPtr item = (*it)->asItem();
+                fin->addU16(item->getId());
+                fin->addU8(item->getCountOrSubType());
             }
+
+            // end of tile
+            fin->addU16(0xFFFF);
         }
-    }
-    id = 0xFFFF;
-    out.write((char*)&id, sizeof(id));
 
-    g_resources.saveFile(fileName, out);
+        // end of file
+        Position invalidPos;
+        fin->addU16(invalidPos.x);
+        fin->addU16(invalidPos.y);
+        fin->addU8(invalidPos.z);
+
+        fin->flush();
+        fin->close();
+    } catch(stdext::exception& e) {
+        g_logger.error(stdext::format("failed to save OTCM map: %s", e.what()));
+    }
 }
 
 void Map::clean()
@@ -582,6 +633,7 @@ std::vector<CreaturePtr> Map::getSpectatorsInRangeEx(const Position& centerPos,
         maxZRange = Otc::MAX_Z;
     }
 
+    //TODO: optimize
     //TODO: get creatures from other floors corretly
     //TODO: delivery creatures in distance order
 

src/otclient/core/map.h

@@ -75,6 +75,11 @@ enum OTBM_NodeTypes_t
     OTBM_WAYPOINT = 16
 };
 
+enum {
+    OTCM_SIGNATURE = 0x12345678,
+    OTCM_VERSION = 1,
+};
+
 //@bindsingleton g_map
 class Map
 {

src/otclient/core/tile.cpp

@@ -253,6 +253,16 @@ ThingPtr Tile::getTopThing()
     return m_things[m_things.size() - 1];
 }
 
+std::vector<ItemPtr> Tile::getItems()
+{
+    std::vector<ItemPtr> items;
+    for(const ThingPtr& thing : m_things) {
+        if(ItemPtr item = thing->asItem())
+            items.push_back(item);
+    }
+    return items;
+}
+
 std::vector<CreaturePtr> Tile::getCreatures()
 {
     std::vector<CreaturePtr> creatures;

src/otclient/core/tile.h

@@ -78,6 +78,7 @@ public:
 
     const Position& getPosition() { return m_position; }
     int getDrawElevation() { return m_drawElevation; }
+    std::vector<ItemPtr> getItems();
     std::vector<CreaturePtr> getCreatures();
     const std::vector<ThingPtr>& getThings() { return m_things; }
     ItemPtr getGround();

src/otclient/ui/uimap.cpp

@@ -151,9 +151,14 @@ void UIMap::onGeometryChange(const Rect& oldRect, const Rect& newRect)
 void UIMap::updateVisibleDimension()
 {
     int dimensionHeight = m_zoom;
+
+    float ratio = 1;
+    if(!m_mapRect.isEmpty())
+        ratio = m_mapRect.size().ratio();
+
     if(dimensionHeight % 2 == 0)
         dimensionHeight += 1;
-    int dimensionWidth = m_zoom * m_mapRect.size().ratio();
+    int dimensionWidth = m_zoom * ratio;
     if(dimensionWidth % 2 == 0)
         dimensionWidth += 1;