First Commit

For Azeroth!

src/tools/mesh_extractor/DBC.cpp

@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <cstdio>
+#include "DBC.h"
+#include "Define.h"
+
+DBC::DBC( FILE* stream ) : StringBlock(NULL), StringBlockSize(0), IsFaulty(true)
+{
+    char magic[5];
+    uint32 count = 0;
+    count += fread(&magic, sizeof(char), 4, stream);
+    magic[4] = '\0';
+    count += fread(&RecordCount, sizeof(uint32), 1, stream);
+    Records.reserve(RecordCount);
+    count += fread(&Fields, sizeof(uint32), 1, stream);
+    count += fread(&RecordSize, sizeof(uint32), 1, stream);
+    count += fread(&StringBlockSize, sizeof(uint32), 1, stream);
+    if (count != 8)
+        printf("DBC::DBC: Failed to read some data expected 8, read %u\n", count);
+
+    for (int i = 0; i < RecordCount; i++)
+    {
+        Record* rec = new Record(this);
+        Records.push_back(rec);
+        int size = 0;
+        for (int f = 0; f < Fields; f++)
+        {
+            if (size + 4 > RecordSize)
+            {
+                IsFaulty = true;
+                break;
+            }
+            uint32 tmp;
+            if (fread(&tmp, sizeof(uint32), 1, stream) != 1)
+                printf("DBC::DBC: Failed to read some data expected 1, read 0\n");
+            rec->Values.push_back(tmp);
+            size += 4;
+        }
+    }
+    StringBlock = new uint8[StringBlockSize];
+    count = fread(StringBlock, sizeof(uint8), StringBlockSize, stream);
+    if (count != StringBlockSize)
+        printf("DBC::DBC: Failed to read some data expected %u, read %u\n", StringBlockSize, count);
+}
+
+std::string DBC::GetStringByOffset( int offset )
+{
+    int len = 0;
+    for (uint32 i = offset; i < StringBlockSize; i++)
+    {
+        if (!StringBlock[i])
+        {
+            len = (i - offset);
+            break;
+        }
+    }
+    char* d = new char[len+1];
+    strcpy(d, (const char*)(StringBlock + offset));
+    d[len] = '\0';
+    std::string val = std::string(d);
+    delete [] d;
+    return val;
+}
+
+Record* DBC::GetRecordById( int id )
+{
+    // we assume Id is index 0
+    for (std::vector<Record*>::iterator itr = Records.begin(); itr != Records.end(); ++itr)
+        if ((*itr)->Values[0] == id)
+            return *itr;
+    return NULL;
+}