prj/cam/src/editor/ged_rmap.c

   1 /*
   2 @Copyright Looking Glass Studios, Inc.
   3 1996,1997,1998,1999,2000 Unpublished Work.
   4 */
   5
   6 // $Header: r:/t2repos/thief2/src/editor/ged_rmap.c,v 1.2 2000/02/19 13:10:47 toml Exp $
   7 // support for remapping the brush ids
   8
   9 #include <string.h>
  10 #include <lg.h>
  11
  12 #include <editbr.h>
  13 #include <brlist.h>
  14 #include <brinfo.h>
  15
  16 #include <csg.h>
  17 #include <csgbrush.h>
  18 #include <ged_rmap.h>
  19 #include <memall.h>
  20 #include <dbmem.h>   // must be last header!
  21
  22 #define MAX_CALLBACKS 16
  23
  24 static ged_remap_callback remap_callbacks[MAX_CALLBACKS];
  25
  26 BOOL ged_remap_add_callback(ged_remap_callback cb)
  27 {
  28    int i;
  29    for (i=0; i<MAX_CALLBACKS; i++)
  30       if (remap_callbacks[i]==NULL)
  31       {
  32          remap_callbacks[i]=cb;
  33          return TRUE;
  34       }
  35    return FALSE;
  36 }
  37
  38 BOOL ged_remap_rem_callback(ged_remap_callback cb)
  39 {
  40    int i;
  41    for (i=0; i<MAX_CALLBACKS; i++)
  42       if (remap_callbacks[i]==cb)
  43       {
  44          remap_callbacks[i]=NULL;
  45          return TRUE;
  46       }
  47    return FALSE;
  48 }
  49
  50 // @TODO: make this have an installable callback for all systems who care
  51 // compress brush id space, build new csg_brush list
  52 int ged_remap_brushes(void)
  53 {
  54    int newid=1, hIter, i, max_id=0;
  55    editBrush *us;
  56    int *mapping;
  57
  58    us=blistIterStart(&hIter);
  59    while (us!=NULL)
  60    {  // check brush_id
  61       if (us->br_id>max_id) max_id=us->br_id;
  62       us=blistIterNext(hIter);
  63    }
  64    AssertMsg(max_id<MAX_CSG_BRUSHES,"Too Many Brushes in Level");
  65    mapping=(int *)Malloc(sizeof(int)*MAX_CSG_BRUSHES);
  66    memset(mapping,0xff,sizeof(int)*MAX_CSG_BRUSHES);
  67    us=blistIterStart(&hIter);
  68    while (us!=NULL)
  69    {  // check brush_id
  70       editBrush *nxt=blistIterNext(hIter);
  71       if (us->br_id<MAX_CSG_BRUSHES)
  72       {
  73          mapping[us->br_id]=newid;     // this mapping is
  74          csg_brush[newid]=us;
  75          if (us->br_id>newid)          // if under newid, we have already remapped
  76             csg_brush[us->br_id]=NULL; //   so dont step on it
  77          us->br_id=newid++;
  78       }
  79       else
  80       {
  81          Warning(("Punting brush %d\n",us->br_id));
  82          // should somehow delete it, eh?
  83       }
  84       us=nxt;
  85    }
  86    for (i=0; i<MAX_CALLBACKS; i++)
  87       if (remap_callbacks[i]!=NULL)
  88          (*remap_callbacks[i])(mapping);
  89    remap_csg_database(mapping);  // this will TRASH mapping
  90    // @TODO: wake up the GFH
  91    Free(mapping);
  92    return newid;   // new max
  93 }
  94