1 files changed, 83 insertions, 0 deletions
diff --git a/contrib/map_extractor/dbcfile.cpp b/contrib/map_extractor/dbcfile.cpp
new file mode 100644
index 00000000000..dd58ac1b4a6
--- /dev/null
+++ b/contrib/map_extractor/dbcfile.cpp
@@ -0,0 +1,83 @@
+#define _CRT_SECURE_NO_DEPRECATE
+
+#include "dbcfile.h"
+#include "mpq_libmpq.h"
+
+DBCFile::DBCFile(const std::string &filename):
+    filename(filename),
+    data(0)
+{
+
+}
+bool DBCFile::open()
+{
+    MPQFile f(filename.c_str());
+    char header[4];
+    unsigned int na,nb,es,ss;
+
+    if(f.read(header,4)!=4)                                 // Number of records
+        return false;
+
+    if(header[0]!='W' || header[1]!='D' || header[2]!='B' || header[3]!='C')
+        return false;
+
+    if(f.read(&na,4)!=4)                                    // Number of records
+        return false;
+    if(f.read(&nb,4)!=4)                                    // Number of fields
+        return false;
+    if(f.read(&es,4)!=4)                                    // Size of a record
+        return false;
+    if(f.read(&ss,4)!=4)                                    // String size
+        return false;
+
+    recordSize = es;
+    recordCount = na;
+    fieldCount = nb;
+    stringSize = ss;
+    if(fieldCount*4 != recordSize)
+        return false;
+
+    data = new unsigned char[recordSize*recordCount+stringSize];
+    stringTable = data + recordSize*recordCount;
+
+    size_t data_size = recordSize*recordCount+stringSize;
+    if(f.read(data,data_size)!=data_size)
+        return false;
+    f.close();
+    return true;
+}
+DBCFile::~DBCFile()
+{
+    delete [] data;
+}
+
+DBCFile::Record DBCFile::getRecord(size_t id)
+{
+    assert(data);
+    return Record(*this, data + id*recordSize);
+}
+
+size_t DBCFile::getMaxId()
+{
+    assert(data);
+
+    size_t maxId = 0;
+    for(size_t i = 0; i < getRecordCount(); ++i)
+    {
+        if(maxId < getRecord(i).getUInt(0))
+            maxId = getRecord(i).getUInt(0);
+    }
+    return maxId;
+}
+
+DBCFile::Iterator DBCFile::begin()
+{
+    assert(data);
+    return Iterator(*this, data);
+}
+DBCFile::Iterator DBCFile::end()
+{
+    assert(data);
+    return Iterator(*this, stringTable);
+}
+