prj/cam/src/object/propimp.cpp

   1 /*
   2 @Copyright Looking Glass Studios, Inc.
   3 1996,1997,1998,1999,2000 Unpublished Work.
   4 */
   5
   6 // $Header: r:/t2repos/thief2/src/object/propimp.cpp,v 1.14 1997/10/14 23:05:03 mahk Exp $
   7 #include <propbase.h>
   8 #include <propimp.h>
   9 #include <proplist.h>
  10 #include <prophash.h>
  11 #include <propbig.h>
  12 #include <propbit.h>
  13 #include <propdb.h>
  14 #include <propval_.h>
  15
  16 #include <stdlib.h>
  17 #include <string.h>
  18
  19
  20 // Must be last header
  21 #include <dbmem.h>
  22
  23 uint cPropValueFuncs::Version(void)
  24 {
  25    return 0;
  26 }
  27
  28 ////////////////////////////////////////////////////////////
  29 //
  30 // cDefaultPropValueFuncs
  31 //
  32 ////////////////////////////////////////////////////////////
  33
  34 cDefaultPropValueFuncs::~cDefaultPropValueFuncs()
  35 {
  36 }
  37
  38 uint cDefaultPropValueFuncs::Version(void)
  39 {
  40    return (uint)size_;
  41 }
  42
  43 void cDefaultPropValueFuncs::Init(ObjID , void* )
  44 {
  45 }
  46
  47 void cDefaultPropValueFuncs::New(ObjID obj, void* value, void *sug)
  48 {
  49    if (sug != NULL)
  50       Copy(obj,value,sug);
  51    else
  52       memset(value,0,size_);
  53 }
  54
  55 void cDefaultPropValueFuncs::Term(ObjID, void*)
  56 {
  57 }
  58
  59 void cDefaultPropValueFuncs::Copy(ObjID, void* t, void* s)
  60 {
  61    memcpy(t,s,size_);
  62 }
  63
  64 void cDefaultPropValueFuncs::Read (ObjID obj, void* value, uint version, PropReadFunc read, PropFile* file)
  65 {
  66    // in default, version == size
  67    if (version < size_)
  68    {
  69       New(obj,value);
  70       read(file,value,version);
  71    }
  72    else
  73       read(file,value,size_);
  74 }
  75
  76 void cDefaultPropValueFuncs::Write(ObjID, void* value, PropWriteFunc write, PropFile* file)
  77 {
  78    write(file,value,size_);
  79 }
  80
  81 ////////////////////////////////////////////////////////////
  82 //
  83 // cPropertyImpl
  84 //
  85 ////////////////////////////////////////////////////////////
  86
  87
  88 cPropertyImpl::cPropertyImpl(int size, cPropValueFuncs* f)
  89    : elem_size_(size),vfunc_(f), sponsored_(TRUE)
  90 {
  91    if (vfunc_ == NULL)
  92       vfunc_ = new cDefaultPropValueFuncs(size);
  93 }
  94
  95 ////////////////////////////////////////
  96
  97 cPropertyImpl::~cPropertyImpl()
  98 {
  99    if (sponsored_)
 100       delete vfunc_;
 101 }
 102
 103 ////////////////////////////////////////
 104
 105 void cPropertyImpl::SetValueFuncs(cPropValueFuncs* f)
 106 {
 107    if (sponsored_)
 108       delete vfunc_;
 109    vfunc_ = f;
 110    sponsored_ = FALSE;
 111 }
 112
 113
 114
 115
 116
 117 ////////////////////////////////////////////////////////////
 118 //
 119 // CreatePropertyImpl
 120 //
 121 // Creates an impl based on the ePropertyImpl value.
 122 //
 123 //
 124 cPropertyImpl *CreatePropertyImpl (ePropertyImpl impl, int size, cPropValueFuncs* f)
 125 {
 126    sPropertyDatabases* db = sPropertyDatabases::DB;
 127    cPropertyImpl *pimpl;
 128
 129    switch (impl)
 130    {
 131       case kPropertyImplLlist:
 132          pimpl = new cPropertyImplLlist(size);
 133          break;
 134
 135       case kPropertyImplHash:
 136          pimpl = CreateUniHashImpl(size);
 137          break;
 138
 139       case kPropertyImplSparseHash:
 140          pimpl = CreateMultiHashImpl(size,db->PropHash);
 141          break;
 142
 143       case kPropertyImplBigArray:
 144          pimpl = CreateArrayImpl(size);
 145          break;
 146
 147       case kPropertyImplBoolean:
 148          pimpl = new cPImpBitVec(size);
 149          break;
 150
 151       //
 152       // Add more implementation types here
 153       //
 154       default: Warning (("CreateProperty: Bad impl %d\n", impl)); return NULL;
 155    }
 156
 157    if (f != NULL)
 158       pimpl->SetValueFuncs(f);
 159
 160    return pimpl;
 161 }
 162
 163
 164
 165
 166 /*
 167 Local Variables:
 168 typedefs:("BOOL" "GUID" "IComplexProperty" "IID" "INTERFACE" "IProperty" "ISimpleProperty" "LlistHeader" "ObjID" "PropertyID" "REFIID" "TYPE" "cComplexProperty" "cMetaPropertyImpl" "cMetaPropertyIterator" "cProperty" "cPropertyImpl" "cPropertyManager" "cSimpleProperty" "ePropertyImpl")
 169 End:
 170 */