REVERSE.C

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/* --
OpenFX - Modelling, Animation and Rendering Package
-- */

/*  REVERSE.C  */
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <windows.h>

#include "struct.h"
#include "dstruct.h"

#include "reverse.h"

#define DESELECTED 0
#define SELECTED   1


static HWND      hParent;
static HINSTANCE hThisInstance;


#if __WATCOMC__
int APIENTRY LibMain(HANDLE hDLL, DWORD dwReason, LPVOID lpReserved){
#else
BOOL WINAPI DllMain(HANDLE hDLL, DWORD dwReason, LPVOID lpReserved){
#endif
  switch (dwReason) {
    case DLL_PROCESS_ATTACH: {
      hThisInstance=hDLL;
      if(hDLL == NULL)MessageBox ( GetFocus()," NULL instance",NULL, MB_OK);
      break;
    }
    case DLL_PROCESS_DETACH:
      break;
  }
  return TRUE;
}

#if __SC__
#pragma startaddress(DllMain)
#endif

BOOL _Xmodeler
 (HWND parent_window,HWND info_window,X__STRUCTURE *lpevi){
 char text_string[255],name_string[255];
 lpEVI=lpevi;
 hParent=parent_window;
 LoadString(hThisInstance,IDX_STRING2,text_string,256);
 LoadString(hThisInstance,IDX_STRING1,name_string,256);
 if(MessageBox(hParent,text_string,name_string,MB_OKCANCEL)
               == IDCANCEL)return FALSE;
 else{
   HCURSOR hSave;
   vertex *V0,*V1,*V2;
   face   *fp;
   long   i,id;
   if(NvertSelect == 0 || Nface == 0)return FALSE;
   hSave=SetCursor(LoadCursor(NULL,IDC_WAIT));
   for(fp=MainFp,i=0;i<Nface;i++){
     V0=(MainVp+fp->V[0]); V1=(MainVp+fp->V[1]); V2=(MainVp+fp->V[2]);
     if(V0->status == SELECTED &&
        V1->status == SELECTED &&
        V2->status == SELECTED){
        id=fp->V[2];
        fp->V[2]=fp->V[0];
        fp->V[0]=id;
     }
     fp++;
   }
   SetCursor(hSave);
 }
 return TRUE;
}