Implemented world savegame

src/Engine.h

@@ -37,6 +37,12 @@
 #define DEFAULT_FONT_ID             0
 #define DEFAULT_MINECRAFT_FONT_ID   1
 
+#define FILE_PATH   "/apps/WoxelCraft"
+#define WORLD_PATH  FILE_PATH "/world"
+
+#define LOG_FILE    FILE_PATH "/Log.txt"
+#define SEED_FILE   WORLD_PATH "/Seed.dat"
+
 #define DEBUG
 
 class Engine {

src/utils/Debug.cpp

@@ -21,7 +21,7 @@
 
 void Debug::Init()
 {
-    m_file.open("Log.txt");
+    m_file.open(LOG_FILE);
 }
 
 void Debug::Log(const char* format, ...)

src/utils/Filesystem.cpp

@@ -21,6 +21,7 @@
 #include <fat.h>
 #include <dirent.h>
 #include <sys/unistd.h>
+#include <sys/stat.h>
 #include <iostream>
 #include <assert.h>
 
@@ -31,6 +32,9 @@
 void FileSystem::Init()
 {
     assert(fatInitDefault());
+
+    if (!DirectoryExist(WORLD_PATH))
+        CreateDirectory(WORLD_PATH);
 }
 
 bool FileSystem::CreateDirectory(const std::string& directoryPath)
@@ -45,8 +49,8 @@ bool FileSystem::CreateDirectory(const std::string& directoryPath)
 
 bool FileSystem::DirectoryExist(const std::string& directoryPath)
 {
-    // todo implement
-    return false;
+    struct stat sb;
+    return stat(directoryPath.c_str(), &sb) == 0 && S_ISDIR(sb.st_mode);
 }
 
 bool FileSystem::FileExist(const std::string &filePath)

src/world/GameWorld.cpp

@@ -35,8 +35,7 @@ GameWorld::GameWorld()
     m_blockManager = new BlockManager();
     m_blockManager->LoadBlocks();    
 
-    srand (time(nullptr));
-    m_noise.Set(.10, .1, .5, 6.0, rand());
+    SetSeed();
 }
 
 GameWorld::~GameWorld()
@@ -157,6 +156,34 @@ void GameWorld::DrawFocusOnSelectedCube()
     }
 }
 
+void GameWorld::SetSeed()
+{
+    srand (time(nullptr));
+    int seed = rand();
+
+    if (FileSystem::FileExist(SEED_FILE))
+    {
+        std::ifstream file;
+        file.open(SEED_FILE);
+        if (file.is_open())
+        {
+            std::string line;
+            std::getline(file, line);
+            seed = std::atoi(line.c_str());
+            file.close();
+        }
+    }
+    else
+    {
+        std::ofstream stream(SEED_FILE);
+        stream << seed << '\n';
+        stream.flush();
+        stream.close();
+    }
+
+    m_noise.Set(.10, .1, .5, 6.0, seed);
+}
+
 PerlinNoise GameWorld::GetNoise() const
 {
     return m_noise;

src/world/GameWorld.h

@@ -50,6 +50,7 @@ class GameWorld {
 
 private:    
 	void DrawFocusOnSelectedCube();
+    void SetSeed();
 
 private:	   
 

src/world/chunk/Chunk.cpp

@@ -554,7 +554,7 @@ Vector3 Chunk::GetPhysicalPosition(const Vector3& position) const
 std::string Chunk::GetFilePath() const
 {
     std::ostringstream filename;
-    filename << "World/";
+    filename << WORLD_PATH "/";
     filename << m_centerPosition.GetX();
     filename << '_';
     filename << m_centerPosition.GetY();

src/world/chunk/jobs/SerializationJob.h

@@ -36,16 +36,17 @@ void* QueueJob(void* data)
 
     while(true)
     {
-       if (queue->IsEmpty())
-       {
-           if(thread->Stop())
-           {
-               break;
-           }
-           else
-           {
+
+        if (queue->IsEmpty())
+        {
+            if(thread->Stop())
+            {
+                break;
+            }
+            else
+            {
                 LWP_SuspendThread(LWP_GetSelf());
-           }
+            }
        }
        else
        {
@@ -55,10 +56,11 @@ void* QueueJob(void* data)
 
           std::ifstream file;
           file.open(filename);
-          bool serialized = false;
+          bool bReplaced = false;
 
           if (file.is_open())
           {
+              std::vector<std::string> fileContent;
               std::ostringstream search;
               search << "X";
               search << blockData.BlockPosition.X;
@@ -76,32 +78,38 @@ void* QueueJob(void* data)
                   if(pos!=std::string::npos)
                   {
                       search << static_cast<unsigned short>(blockData.Type);
-                      search << '\n';
                       line.replace(pos, search.str().length(), search.str());
                       //LOG("Replace File %s -> Line: %s : SearchLine %s", filename.c_str(), line.c_str(), search.str().c_str());
-                      serialized = true;
-                      break;
+                      bReplaced = true;
                   }
+                  fileContent.push_back(line);
               }
 
               file.close();
 
-              if(!serialized)
+              if(bReplaced)
+              {
+                  std::ofstream stream(filename, std::ofstream::out | std::ofstream::trunc);
+                  for (auto& s : fileContent)
+                      stream << s << '\n';
+                  stream.flush();
+                  stream.close();
+              }
+              else
               {
                   std::ofstream stream(filename, std::ios_base::app | std::ios_base::out);
                   stream << "X" << blockData.BlockPosition.X << "Y" << blockData.BlockPosition.Y << "Z" << blockData.BlockPosition.Z << ":" << static_cast<unsigned short>(blockData.Type) << '\n';
                   stream.flush();
                   stream.close();
                   //LOG("Add Line into file %s", filename.c_str());
               }
+              fileContent.clear();
           }
           else
           {
               std::ofstream stream(filename);
-
               stream << blockData.ChunkPosition.GetX() << ';' << blockData.ChunkPosition.GetY() << ';' << blockData.ChunkPosition.GetZ() << '\n';
               stream << "X" << blockData.BlockPosition.X << "Y" << blockData.BlockPosition.Y << "Z" << blockData.BlockPosition.Z << ":" << static_cast<unsigned short>(blockData.Type) << '\n';
-
               stream.flush();
               stream.close();
               //LOG("Create File %s", filename.c_str());