Directory Structure [step 1]: moving files

working on #672

NOTE: This commit can't be compiled!!

src/tools/mesh_extractor/ChunkedData.cpp

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 
+ *
+ * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ */
+
+#include "ChunkedData.h"
+#include "MPQManager.h"
+#include "Utils.h"
+
+#include <string>
+
+ChunkedData::ChunkedData( FILE* stream, uint32 maxLength, uint32 chunksHint /*= 300*/ ) :
+Stream(stream)
+{
+    if (!Stream)
+        return;
+    Load(maxLength, chunksHint);
+}
+
+ChunkedData::ChunkedData( const std::string& file, uint32 chunksHint /*= 300*/ )
+{
+    Stream = MPQHandler->GetFile(file);
+    if (!Stream)
+        return;
+    Load(0, chunksHint);
+}
+
+void ChunkedData::Load( uint32 maxLength, uint32 chunksHint )
+{
+    if (!maxLength)
+        maxLength = Utils::Size(Stream);
+    Chunks.reserve(chunksHint);
+    uint32 baseOffset = ftell(Stream);
+    uint32 calcOffset = 0;
+    while ((calcOffset + baseOffset) < Utils::Size(Stream) && (calcOffset < maxLength))
+    {
+        char nameBytes[5];
+        uint32 read = fread(&nameBytes, sizeof(char), 4, Stream);
+        nameBytes[read] = '\0';
+        std::string name = std::string(nameBytes);
+        // Utils::Reverse(nameBytes);
+        name = std::string(name.rbegin(), name.rend());
+        uint32 length;
+        if (fread(&length, sizeof(uint32), 1, Stream) != 1)
+            continue;
+        calcOffset += 8;
+        Chunks.push_back(new Chunk(name.c_str(), length, calcOffset + baseOffset, Stream));
+        calcOffset += length;
+        // save an extra seek at the end
+        if ((calcOffset + baseOffset) < Utils::Size(Stream) && calcOffset < maxLength)
+            fseek(Stream, length, SEEK_CUR);
+    }
+}
+
+int ChunkedData::GetFirstIndex( const std::string& name )
+{
+    for (uint32 i = 0; i < Chunks.size(); ++i)
+        if (Chunks[i]->Name == name)
+            return i;
+    return -1;
+}
+
+Chunk* ChunkedData::GetChunkByName( const std::string& name )
+{
+    for (uint32 i = 0; i < Chunks.size(); ++i)
+        if (Chunks[i]->Name == name)
+            return Chunks[i];
+    return NULL;
+}
+
+ChunkedData::~ChunkedData()
+{
+    for (std::vector<Chunk*>::iterator itr = Chunks.begin(); itr != Chunks.end(); ++itr)
+        delete *itr;
+
+    Chunks.clear();
+    if (Stream)
+        fclose(Stream);
+}