MAP.CPP

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code 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.

Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
// map.c

#include "stdafx.h"
#include "qe3.h"
#include "PrefsDlg.h"

qboolean    modified;       // for quit confirmation (0 = clean, 1 = unsaved,
                            // 2 = autosaved, but not regular saved) 

char        currentmap[1024];


brush_t active_brushes;     // brushes currently being displayed
brush_t selected_brushes;   // highlighted

face_t  *selected_face;
brush_t *selected_face_brush;

brush_t filtered_brushes;   // brushes that have been filtered or regioned

entity_t    entities;       // head/tail of doubly linked list

entity_t    *world_entity = NULL; // "classname" "worldspawn" !

void AddRegionBrushes (void);
void RemoveRegionBrushes (void);


void DupLists()
{
  DWORD dw = GetTickCount();

}

/*
=============================================================

  Cross map selection saving

  this could fuck up if you have only part of a complex entity selected...
=============================================================
*/

brush_t     between_brushes;
entity_t    between_entities;

bool g_bRestoreBetween = false;

void Map_SaveBetween (void)
{

    if (g_pParentWnd->ActiveXY())
  {
    g_bRestoreBetween = true;
    g_pParentWnd->ActiveXY()->Copy();
  }
  return;

#if 0

    brush_t     *b;
    entity_t    *e, *e2;

    between_brushes.next = selected_brushes.next;
    between_brushes.prev = selected_brushes.prev;
    between_brushes.next->prev = &between_brushes;
    between_brushes.prev->next = &between_brushes;

    between_entities.next = between_entities.prev = &between_entities;
    selected_brushes.next = selected_brushes.prev = &selected_brushes;

    for (b=between_brushes.next ; b != &between_brushes ; b=b->next)
    {
        e = b->owner;
        if (e == world_entity)
            b->owner = NULL;
        else
        {
            for (e2=between_entities.next ; e2 != &between_entities ; e2=e2->next)
                if (e2 == e)
                    goto next;  // allready got the entity
            // move the entity over
            e->prev->next = e->next;
            e->next->prev = e->prev;
            e->next = between_entities.next;
            e->prev = &between_entities;
            e->next->prev = e;
            e->prev->next = e;
        }
next: ;
    }
#endif
}

void Map_RestoreBetween (void)
{
    if (g_pParentWnd->ActiveXY() && g_bRestoreBetween)
    g_pParentWnd->ActiveXY()->Paste();
  return;

#if 0  
  entity_t  *head, *tail;
    brush_t     *b;

    if (!between_brushes.next)
        return;

    for (b=between_brushes.next ; b != &between_brushes ; b=b->next)
    {
        if (!b->owner)
        {
            b->owner = world_entity;
            b->onext = world_entity->brushes.onext;
            b->oprev = &world_entity->brushes;
            b->onext->oprev = b;
            b->oprev->onext = b;
        }
    }

    selected_brushes.next = between_brushes.next;
    selected_brushes.prev = between_brushes.prev;
    selected_brushes.next->prev = &selected_brushes;
    selected_brushes.prev->next = &selected_brushes;

    head = between_entities.next;
    tail = between_entities.prev;

    if (head != tail)
    {
        entities.prev->next = head;
        head->prev = entities.prev;
        tail->next = &entities;
        entities.prev = tail;
    }

    between_brushes.next = NULL;
    between_entities.next = NULL;
#endif
}

//============================================================================

bool CheckForTinyBrush(brush_t* b, int n, float fSize)
{
  bool bTiny = false;
    for (int i=0 ; i<3 ; i++)
    {
    if (b->maxs[i] - b->mins[i] < fSize)
      bTiny = true;
  }
  if (bTiny)
    Sys_Printf("Possible problem brush (too small) #%i ", n);
  return bTiny;
}

void Map_BuildBrushData(void)
{
    brush_t *b, *next;

    if (active_brushes.next == NULL)
        return;

    Sys_BeginWait ();   // this could take a while

  int n = 0;
    for (b=active_brushes.next ; b != NULL && b != &active_brushes ; b=next)
    {
        next = b->next;
        Brush_Build( b, true, false, false );
        if (!b->brush_faces || (g_PrefsDlg.m_bCleanTiny && CheckForTinyBrush(b, n++, g_PrefsDlg.m_fTinySize)))
        {
            Brush_Free (b);
            Sys_Printf ("Removed degenerate brush\n");
        }
    }
    Sys_EndWait();
}

entity_t *Map_FindClass (char *cname)
{
    entity_t    *ent;

    for (ent = entities.next ; ent != &entities ; ent=ent->next)
    {
        if (!strcmp(cname, ValueForKey (ent, "classname")))
            return ent;
    }
    return NULL;
}

/*
================
Map_Free
================
*/
void Map_Free (void)
{
  g_bRestoreBetween = false;
    if (selected_brushes.next &&
        (selected_brushes.next != &selected_brushes) )
    {
    if (MessageBox(g_qeglobals.d_hwndMain, "Copy selection?", "", MB_YESNO) == IDYES)
          Map_SaveBetween ();
    }

    Texture_ClearInuse ();
    Pointfile_Clear ();
    strcpy (currentmap, "unnamed.map");
    Sys_SetTitle (currentmap);
    g_qeglobals.d_num_entities = 0;
    g_qeglobals.d_numterrapoints = 0;

    if (!active_brushes.next)
    {   // first map
        active_brushes.prev = active_brushes.next = &active_brushes;
        selected_brushes.prev = selected_brushes.next = &selected_brushes;
        filtered_brushes.prev = filtered_brushes.next = &filtered_brushes;

        entities.prev = entities.next = &entities;
    }
    else
    {
        while (active_brushes.next != &active_brushes)
            Brush_Free (active_brushes.next);
        while (selected_brushes.next != &selected_brushes)
            Brush_Free (selected_brushes.next);
        while (filtered_brushes.next != &filtered_brushes)
            Brush_Free (filtered_brushes.next);

        while (entities.next != &entities)
            Entity_Free (entities.next);
    }

  if (world_entity)
    Entity_Free(world_entity);
    world_entity = NULL;
}

entity_t *AngledEntity()
{
  entity_t *ent = Map_FindClass ("info_player_start");
    if (!ent)
  {
        ent = Map_FindClass ("info_player_deathmatch");
  }
  if (!ent)
  {
        ent = Map_FindClass ("info_player_deathmatch");
  }
  if (!ent)
  {
    ent = Map_FindClass ("team_CTF_redplayer");
  }
  if (!ent)
  {
    ent = Map_FindClass ("team_CTF_blueplayer");
  }
  if (!ent)
  {
    ent = Map_FindClass ("team_CTF_redspawn");
  }
  if (!ent)
  {
    ent = Map_FindClass ("team_CTF_bluespawn");
  }
  return ent;
}



/*
================
Map_LoadFile
================
*/
void Map_LoadFile (char *filename)
{
    char        *buf;
    entity_t    *ent;
    char         temp[1024];

    Sys_BeginWait ();
    Select_Deselect();
    //SetInspectorMode(W_CONSOLE);

    QE_ConvertDOSToUnixName( temp, filename );
    Sys_Printf ("Map_LoadFile: %s\n", temp );

    Map_Free ();
    //++timo FIXME: maybe even easier to have Group_Init called from Map_Free?
    Group_Init();

    g_qeglobals.d_parsed_brushes = 0;
    strcpy (currentmap, filename);

    if (LoadFile (filename, (void **)&buf) != -1)
    {

        StartTokenParsing (buf);
        g_qeglobals.d_num_entities = 0;

        // Timo
        // will be used in Entity_Parse to detect if a conversion between brush formats is needed
        g_qeglobals.bNeedConvert = false;
        g_qeglobals.bOldBrushes = false;
        g_qeglobals.bPrimitBrushes = false;

        while (1)
        {
            ent = Entity_Parse (false, &active_brushes);
            if (!ent)
                break;
            if (!strcmp(ValueForKey (ent, "classname"), "worldspawn"))
            {
                if (world_entity)
                    Sys_Printf ("WARNING: multiple worldspawn\n");
                world_entity = ent;
            }
            else if (!strcmp(ValueForKey (ent, "classname"), "group_info"))
      {
        // it's a group thing!
        Group_Add(ent);
        Entity_Free(ent);
      }
      else
            {
                // add the entity to the end of the entity list
                ent->next = &entities;
                ent->prev = entities.prev;
                entities.prev->next = ent;
                entities.prev = ent;
                g_qeglobals.d_num_entities++;
            }
        }
    }

  free (buf);

    if (!world_entity)
    {
        Sys_Printf ("No worldspawn in map.\n");
        Map_New ();
        return;
    }

    Sys_Printf ("--- LoadMapFile ---\n");
    Sys_Printf ("%s\n", temp );

    Sys_Printf ("%5i brushes\n",  g_qeglobals.d_parsed_brushes );
    Sys_Printf ("%5i entities\n", g_qeglobals.d_num_entities);

    Map_RestoreBetween ();

    Sys_Printf ("Map_BuildAllDisplayLists\n");
    Map_BuildBrushData();

    // reset the "need conversion" flag
    // conversion to the good format done in Map_BuildBrushData
    g_qeglobals.bNeedConvert=false;

    //
    // move the view to a start position
    //
  ent = AngledEntity();

  g_pParentWnd->GetCamera()->Camera().angles[PITCH] = 0;
    if (ent)
    {
        GetVectorForKey (ent, "origin", g_pParentWnd->GetCamera()->Camera().origin);
        GetVectorForKey (ent, "origin", g_pParentWnd->GetXYWnd()->GetOrigin());
        g_pParentWnd->GetCamera()->Camera().angles[YAW] = FloatForKey (ent, "angle");
    }
    else
    {
        g_pParentWnd->GetCamera()->Camera().angles[YAW] = 0;
        VectorCopy (vec3_origin, g_pParentWnd->GetCamera()->Camera().origin);
        VectorCopy (vec3_origin, g_pParentWnd->GetXYWnd()->GetOrigin());
    }

    Map_RegionOff ();


    modified = false;
    Sys_SetTitle (temp);

    Texture_ShowInuse ();

    Sys_EndWait();
    Sys_UpdateWindows (W_ALL);

}

/*
===========
Map_SaveFile
===========
*/
void Map_SaveFile (char *filename, qboolean use_region )
{
    entity_t    *e, *next;
    FILE        *f;
    char         temp[1024];
    int         count;

  if (filename == NULL || strlen(filename) == 0)
  {
    CFileDialog dlgSave(FALSE, "map", NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, "Map Files (*.map)|*.map||", AfxGetMainWnd());
    if (dlgSave.DoModal() == IDOK)
      filename = strdup(dlgSave.m_ofn.lpstrFile);
    else 
      return;
  }

    Pointfile_Clear ();
    QE_ConvertDOSToUnixName( temp, filename );

    if (!use_region)
    {
        char    backup[1024];

        // rename current to .bak
        strcpy (backup, filename);
        StripExtension (backup);
        strcat (backup, ".bak");
        _unlink (backup);
        rename (filename, backup);
    }

    Sys_Printf ("Map_SaveFile: %s\n", filename);

    f = fopen(filename, "w");

    if (!f)
    {
        Sys_Printf ("ERROR!!!! Couldn't open %s\n", filename);
        return;
    }

    if (use_region)
  {
        AddRegionBrushes ();
  }

    // write world entity first
    Entity_Write (world_entity, f, use_region);

    // then write all other ents
    count = 1;
    for (e=entities.next ; e != &entities ; e=next)
    {
        next = e->next;
        if (e->brushes.onext == &e->brushes)
    {
            Entity_Free (e);    // no brushes left, so remove it
    }
        else
    {
        fprintf (f, "// entity %i\n", count);
        count++;
            Entity_Write (e, f, use_region);
    }
    }

    // save the group info stuff
    Group_Save(f);

    fclose (f);

    if (use_region)
        RemoveRegionBrushes ();

    Sys_Printf ("Saved.\n");
    modified = false;

    if ( !strstr( temp, "autosave" ) )
        Sys_SetTitle (temp);

    if (!use_region)
    {
        time_t  timer;
        FILE    *f;

        time (&timer);
        MessageBeep (MB_ICONEXCLAMATION);
        f = fopen ("c:/tstamps.log", "a");
        if (f)
        {
            fprintf (f, "%s", filename);
            //fprintf (f, "%4i : %35s : %s", g_qeglobals.d_workcount, filename, ctime(&timer));
            fclose (f);
            g_qeglobals.d_workcount = 0;
        }
        fclose (f);
        Sys_Status ("Saved.\n", 0);
    }
    
  //Curve_WriteFile (filename);     //.trinity
  //Patch_WriteFile (filename);
}

/*
===========
Map_New
===========
*/
void Map_New (void)
{
    Sys_Printf ("Map_New\n");
    Map_Free ();

  Patch_Cleanup();

    world_entity = (entity_s*)qmalloc(sizeof(*world_entity));
    world_entity->brushes.onext = 
        world_entity->brushes.oprev = &world_entity->brushes;
    SetKeyValue (world_entity, "classname", "worldspawn");
    world_entity->eclass = Eclass_ForName ("worldspawn", true);

    g_pParentWnd->GetCamera()->Camera().angles[YAW] = 0;
    g_pParentWnd->GetCamera()->Camera().angles[PITCH] = 0;
    VectorCopy (vec3_origin, g_pParentWnd->GetCamera()->Camera().origin);
    g_pParentWnd->GetCamera()->Camera().origin[2] = 48;
    VectorCopy (vec3_origin, g_pParentWnd->GetXYWnd()->GetOrigin());

    Map_RestoreBetween ();

  Group_Init();

    Sys_UpdateWindows (W_ALL);
    modified = false;
}

/*
===========================================================

  REGION

===========================================================
*/

qboolean    region_active;
vec3_t  region_mins = {MIN_WORLD_COORD, MIN_WORLD_COORD, MIN_WORLD_COORD};
vec3_t  region_maxs = {MAX_WORLD_COORD, MAX_WORLD_COORD, MAX_WORLD_COORD};

brush_t *region_sides[4];
/*
===========
AddRegionBrushes

a regioned map will have temp walls put up at the region boundary
===========
*/
void AddRegionBrushes (void)
{
    vec3_t  mins, maxs;
    int     i;
    texdef_t    td;

    if (!region_active)
        return;

    memset (&td, 0, sizeof(td));
    //strcpy (td.name, "REGION");
    td.SetName("REGION");

    mins[0] = region_mins[0] - 16;
    maxs[0] = region_mins[0] + 1;
    mins[1] = region_mins[1] - 16;
    maxs[1] = region_maxs[1] + 16;
    mins[2] = MIN_WORLD_COORD;
    maxs[2] = MAX_WORLD_COORD;
    region_sides[0] = Brush_Create (mins, maxs, &td);

    mins[0] = region_maxs[0] - 1;
    maxs[0] = region_maxs[0] + 16;
    region_sides[1] = Brush_Create (mins, maxs, &td);

    mins[0] = region_mins[0] - 16;
    maxs[0] = region_maxs[0] + 16;
    mins[1] = region_mins[1] - 16;
    maxs[1] = region_mins[1] + 1;
    region_sides[2] = Brush_Create (mins, maxs, &td);

    mins[1] = region_maxs[1] - 1;
    maxs[1] = region_maxs[1] + 16;
    region_sides[3] = Brush_Create (mins, maxs, &td);

    for (i=0 ; i<4 ; i++)
    {
        Brush_AddToList (region_sides[i], &selected_brushes);
        Entity_LinkBrush (world_entity, region_sides[i]);
        Brush_Build( region_sides[i] );
    }
}

void RemoveRegionBrushes (void)
{
    int     i;

    if (!region_active)
        return;
    for (i=0 ; i<4 ; i++)
        Brush_Free (region_sides[i]);
}


qboolean Map_IsBrushFiltered (brush_t *b)
{
    int     i;

    for (i=0 ; i<3 ; i++)
    {
        if (b->mins[i] > region_maxs[i])
            return true;
        if (b->maxs[i] < region_mins[i])
            return true;
    }
    return false;
}

/*
===========
Map_RegionOff

Other filtering options may still be on
===========
*/
void Map_RegionOff (void)
{
    brush_t *b, *next;
    int         i;

    region_active = false;
    for (i=0 ; i<3 ; i++)
    {
        region_maxs[i] = MAX_WORLD_COORD;//4096;
        region_mins[i] = MIN_WORLD_COORD;//-4096;
    }
    
    for (b=filtered_brushes.next ; b != &filtered_brushes ; b=next)
    {
        next = b->next;
        if (Map_IsBrushFiltered (b))
            continue;       // still filtered
        Brush_RemoveFromList (b);
    if (active_brushes.next == NULL || active_brushes.prev == NULL)
    {
      active_brushes.next = &active_brushes;
      active_brushes.prev = &active_brushes;
    }
        Brush_AddToList (b, &active_brushes);
    }

    Sys_UpdateWindows (W_ALL);
}

void Map_ApplyRegion (void)
{
    brush_t *b, *next;

    region_active = true;
    for (b=active_brushes.next ; b != &active_brushes ; b=next)
    {
        next = b->next;
        if (!Map_IsBrushFiltered (b))
            continue;       // still filtered
        Brush_RemoveFromList (b);
        Brush_AddToList (b, &filtered_brushes);
    }

    Sys_UpdateWindows (W_ALL);
}


/*
========================
Map_RegionSelectedBrushes
========================
*/
void Map_RegionSelectedBrushes (void)
{
    Map_RegionOff ();

    if (selected_brushes.next == &selected_brushes)  // nothing selected
  {
    Sys_Printf("Tried to region with no selection...\n");
    return;
  }
    region_active = true;
    Select_GetBounds (region_mins, region_maxs);

    // move the entire active_brushes list to filtered_brushes
    filtered_brushes.next = active_brushes.next;
    filtered_brushes.prev = active_brushes.prev;
    filtered_brushes.next->prev = &filtered_brushes;
    filtered_brushes.prev->next = &filtered_brushes;

    // move the entire selected_brushes list to active_brushes
    active_brushes.next = selected_brushes.next;
    active_brushes.prev = selected_brushes.prev;
    active_brushes.next->prev = &active_brushes;
    active_brushes.prev->next = &active_brushes;

    // clear selected_brushes
    selected_brushes.next = selected_brushes.prev = &selected_brushes;

    Sys_UpdateWindows (W_ALL);
}


/*
===========
Map_RegionXY
===========
*/
void Map_RegionXY (void)
{
    Map_RegionOff ();

    region_mins[0] = g_pParentWnd->GetXYWnd()->GetOrigin()[0] - 0.5 * g_pParentWnd->GetXYWnd()->Width() / g_pParentWnd->GetXYWnd()->Scale();
    region_maxs[0] = g_pParentWnd->GetXYWnd()->GetOrigin()[0] + 0.5 * g_pParentWnd->GetXYWnd()->Width() / g_pParentWnd->GetXYWnd()->Scale();
    region_mins[1] = g_pParentWnd->GetXYWnd()->GetOrigin()[1] - 0.5 * g_pParentWnd->GetXYWnd()->Height() / g_pParentWnd->GetXYWnd()->Scale();
    region_maxs[1] = g_pParentWnd->GetXYWnd()->GetOrigin()[1] + 0.5 * g_pParentWnd->GetXYWnd()->Height() / g_pParentWnd->GetXYWnd()->Scale();
    region_mins[2] = -MIN_WORLD_COORD;
    region_maxs[2] = MAX_WORLD_COORD;
    Map_ApplyRegion ();
}

/*
===========
Map_RegionTallBrush
===========
*/
void Map_RegionTallBrush (void)
{
    brush_t *b;

    if (!QE_SingleBrush ())
        return;

    b = selected_brushes.next;

    Map_RegionOff ();

    VectorCopy (b->mins, region_mins);
    VectorCopy (b->maxs, region_maxs);
    region_mins[2] = MIN_WORLD_COORD;
    region_maxs[2] = MAX_WORLD_COORD;


    Select_Delete ();
    Map_ApplyRegion ();
}
/*
===========
Map_RegionBrush
===========
*/
void Map_RegionBrush (void)
{
    brush_t *b;

    if (!QE_SingleBrush ())
        return;

    b = selected_brushes.next;

    Map_RegionOff ();

    VectorCopy (b->mins, region_mins);
    VectorCopy (b->maxs, region_maxs);

    Select_Delete ();
    Map_ApplyRegion ();
}



void UniqueTargetName(CString& rStr)
{
    // make a unique target value
    int maxtarg = 0;
    for (entity_t* e=entities.next ; e != &entities ; e=e->next)
    {
        char* tn = ValueForKey (e, "targetname");
        if (tn && tn[0])
        {
            int targetnum = atoi(tn+1);
            if (targetnum > maxtarg)
                maxtarg = targetnum;
        }
    else
    {
          tn = ValueForKey (e, "target");
          if (tn && tn[0])
          {
              int targetnum = atoi(tn+1);
              if (targetnum > maxtarg)
                  maxtarg = targetnum;
          }
    }
    }
  rStr.Format("t%i", maxtarg+1);
}

//
//================
//Map_ImportFile
// Timo 09/01/99 : called by CXYWnd::Paste & Map_ImportFile
// if Map_ImportFile ( prefab ), the buffer may contain brushes in old format ( conversion needed )
//================
//
void Map_ImportBuffer (char* buf)
{
    entity_t* ent;
    brush_t* b = NULL;
    CPtrArray ptrs;

    Select_Deselect();

    Undo_Start("import buffer");

    g_qeglobals.d_parsed_brushes = 0;
    if (buf)
    {
        CMapStringToString mapStr;
        StartTokenParsing (buf);
        g_qeglobals.d_num_entities = 0;

        // Timo
        // will be used in Entity_Parse to detect if a conversion between brush formats is needed
        g_qeglobals.bNeedConvert = false;
        g_qeglobals.bOldBrushes = false;
        g_qeglobals.bPrimitBrushes = false;

        while (1)
        {

            // use the selected brushes list as it's handy
            //ent = Entity_Parse (false, &selected_brushes);
            ent = Entity_Parse (false, &active_brushes);
            if (!ent)
                break;
            //end entity for undo
            Undo_EndEntity(ent);
            //end brushes for undo
            for(b = ent->brushes.onext; b && b != &ent->brushes; b = b->onext)
            {
                Undo_EndBrush(b);
            }

            if (!strcmp(ValueForKey (ent, "classname"), "worldspawn"))
            {
                // world brushes need to be added to the current world entity

                b=ent->brushes.onext;
                while (b && b != &ent->brushes)
                {
                    brush_t* bNext = b->onext;
                    Entity_UnlinkBrush(b);
                    Entity_LinkBrush(world_entity, b);
                    ptrs.Add(b);
                    b = bNext;
                }
            }
            else
            {
                // the following bit remaps conflicting target/targetname key/value pairs
                CString str = ValueForKey(ent, "target");
                CString strKey;
                CString strTarget("");
                if (str.GetLength() > 0)
                {
                    if (FindEntity("target", str.GetBuffer(0)))
                    {
                        if (!mapStr.Lookup(str, strKey))
                        {
                            UniqueTargetName(strKey);
                            mapStr.SetAt(str, strKey);
                        }
                        strTarget = strKey;
                        SetKeyValue(ent, "target", strTarget.GetBuffer(0));
                    }
                }
                str = ValueForKey(ent, "targetname");
                if (str.GetLength() > 0)
                {
                    if (FindEntity("targetname", str.GetBuffer(0)))
                    {
                        if (!mapStr.Lookup(str, strKey))
                        {
                            UniqueTargetName(strKey);
                            mapStr.SetAt(str, strKey);
                        }
                        SetKeyValue(ent, "targetname", strKey.GetBuffer(0));
                    }
                }
                //if (strTarget.GetLength() > 0)
                //  SetKeyValue(ent, "target", strTarget.GetBuffer(0));

                // add the entity to the end of the entity list
                ent->next = &entities;
                ent->prev = entities.prev;
                entities.prev->next = ent;
                entities.prev = ent;
                g_qeglobals.d_num_entities++;

                for (b=ent->brushes.onext ; b != &ent->brushes ; b=b->onext)
                {
                    ptrs.Add(b);
                }
            }
        }
    }

    //::ShowWindow(g_qeglobals.d_hwndEntity, FALSE);
    //::LockWindowUpdate(g_qeglobals.d_hwndEntity);
    g_bScreenUpdates = false; 
    for (int i = 0; i < ptrs.GetSize(); i++)
    {
        Brush_Build(reinterpret_cast<brush_t*>(ptrs[i]), true, false);
        Select_Brush(reinterpret_cast<brush_t*>(ptrs[i]), true, false);
    }
    //::LockWindowUpdate(NULL);
    g_bScreenUpdates = true; 

    ptrs.RemoveAll();

    // reset the "need conversion" flag
    // conversion to the good format done in Map_BuildBrushData
    g_qeglobals.bNeedConvert=false;

    Sys_UpdateWindows (W_ALL);
  //Sys_MarkMapModified();
    modified = true;

    Undo_End();

}


//
//================
//Map_ImportFile
//================
//
void Map_ImportFile (char *filename)
{
  char* buf;
    char temp[1024];
    Sys_BeginWait ();
    QE_ConvertDOSToUnixName( temp, filename );
  if (LoadFile (filename, (void **)&buf) != -1)
  {
    Map_ImportBuffer(buf);
    free(buf);
    Map_BuildBrushData();
  }
    Sys_UpdateWindows (W_ALL);
    modified = true;
    Sys_EndWait();
}

//
//===========
//Map_SaveSelected
//===========
//
// Saves selected world brushes and whole entities with partial/full selections
//
void Map_SaveSelected(char* pFilename)
{
    entity_t    *e, *next;
    FILE *f;
    char temp[1024];
    int count;

    QE_ConvertDOSToUnixName(temp, pFilename);
    f = fopen(pFilename, "w");

    if (!f)
    {
        Sys_Printf ("ERROR!!!! Couldn't open %s\n", pFilename);
        return;
    }

    // write world entity first
    Entity_WriteSelected(world_entity, f);

    // then write all other ents
    count = 1;
    for (e=entities.next ; e != &entities ; e=next)
    {
    fprintf (f, "// entity %i\n", count);
    count++;
        Entity_WriteSelected(e, f);
        next = e->next;
    }
    fclose (f);
}


//
//===========
//Map_SaveSelected
//===========
//
// Saves selected world brushes and whole entities with partial/full selections
//
void Map_SaveSelected(CMemFile* pMemFile, CMemFile* pPatchFile)
{
    entity_t    *e, *next;
    int count;
    CString strTemp;
  
    // write world entity first
    Entity_WriteSelected(world_entity, pMemFile);

    // then write all other ents
    count = 1;
    for (e=entities.next ; e != &entities ; e=next)
    {
        MemFile_fprintf(pMemFile, "// entity %i\n", count);
        count++;
        Entity_WriteSelected(e, pMemFile);
        next = e->next;
    }

  //if (pPatchFile)
  //  Patch_WriteFile(pPatchFile);
}


void MemFile_fprintf(CMemFile* pMemFile, const char* pText, ...)
{
  char Buffer[4096];
  va_list args;
    va_start (args,pText);
  vsprintf(Buffer, pText, args);
  pMemFile->Write(Buffer, strlen(Buffer));
}

---