Changeset 249 for trunk/src/mesh/mesh.cc

Timestamp:

Mar 1, 2006, 1:07:04 PM (18 years ago)

Author:

cxsong

Message:

modified serialization functions

File:

• trunk/src/mesh/mesh.cc (modified) (3 diffs)

trunk/src/mesh/mesh.cc

@@ -253 +253 @@
 }
 
+//
+// total number bytes in mesh object
+//
+// NOTE: this doesn't count the id
+//
+int RpMesh3d::numBytes()
+{
+        // numberOfNodes + all nodes + numberOfElements + numNodesInElement + nodes in elements
+
+        int nnie = (*m_elemList)[0].numNodes();
+        int num = 3*sizeof(int) + m_numNodes*3*sizeof(int) + m_numElements*nnie*sizeof(int);
+
+        return num;
+}
+
 // serialization
 char* 
-RpMesh3d::serialize()
-{
-        return NULL;
+RpMesh3d::serialize(int& numbytes)
+{
+        int nbytes = this->numBytes();
+
+        char * buf = new char[nbytes];
+        if (buf != NULL) {
+                serialize(buf, nbytes);
+                numbytes = nbytes;
+        }
+
+        return buf;
 }
 
@@ -263 +286 @@
 RpMesh3d::serialize(char* buf, int buflen)
 {
+        int nbytes = this->numBytes();
+        int nnie = (*m_elemList)[0].numNodes();
+        int i;
+
+        if (buf == NULL || buflen < nbytes) {
+                RpAppendErr("RpMesh3d::serialize: invalid buffer");
+                RpPrintErr();
+                return RP_ERR_INVALID_ARRAY;
+        }
+
+        char *ptr = buf;
+
+        // write number of nodes
+        memcpy((void *)ptr, (void *)&m_numNodes, sizeof(int));
+        ptr += sizeof(int);
+
+        // write all nodes
+        for (i=0; i < m_numNodes; i++) {
+                m_nodeList[i].serialize(ptr);
+                ptr += 3* sizeof(int);
+        }
+
+        // write number of elements
+        memcpy((void *)ptr, (void *)&m_numElements, sizeof(int));
+        ptr += sizeof(int);
+
+        // write number of nodes in each element
+        memcpy((void *)ptr, (void *)&nnie, sizeof(int));
+        ptr += sizeof(int);
+
+        // write all elements
+        for (i=0; i < m_numElements; i++) {
+                (*m_elemList)[i].serializeNodes(ptr);
+                ptr += nnie * sizeof(int);
+        }
 
         return RP_SUCCESS;
@@ -270 +328 @@
 RpMesh3d::deserialize(const char* buf)
 {
+        int i;
+
+        if (buf == NULL) {
+                RpAppendErr("RpMesh3d::deserialize: null buffer");
+                RpPrintErr();
+                return RP_ERR_INVALID_ARRAY;
+        }
+
+        char *ptr = (char*)buf;
+        int nnie;
+
+        // read number of nodes
+        memcpy((void *)&m_numNodes, (void*)ptr, sizeof(int));
+        ptr += sizeof(int);
+
+        // read all nodes
+        for (i=0; i < m_numNodes; i++) {
+                m_nodeList[i].deserialize(ptr);
+                m_nodeList[i].id(i);
+                ptr += 3* sizeof(int);
+        }
+
+        // read number of elements
+        memcpy((void *)&m_numElements, (void*)ptr, sizeof(int));
+        ptr += sizeof(int);
+
+        // number of nodes in each element
+        memcpy((void *)&nnie, (void *)ptr, sizeof(int));
+        ptr += sizeof(int);
+
+        // read all elements
+        for (i=0; i < m_numElements; i++) {
+                (*m_elemList)[i].deserializeNodes(ptr, nnie);
+                (*m_elemList)[i].id(i);
+                ptr += nnie * sizeof(int);
+        }
+
         return RP_SUCCESS;
 }