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#include <Xw_Extension.h>
/* ifdef then trace on */
#ifdef TRACE
#define TRACE_GET_TILEMAP_INFO
#endif
/*
XW_STATUS Xw_get_tilemap_info (atilemap,mtile,utile,dtile,ftile):
XW_EXT_TILEMAP *atilemap
int *mtile Return the maximum tile number of the tilemap
int *utile Return the User tile number used in the tilemap
int *dtile Return the User tile number defined in the tilemap
int *ftile Return the First free tile index in the tilemap
NOTE than if ftile is < 0 No more Free Tile exist in the tilemap
Returns XW_ERROR if the Extended Tilemap is not defined
Returns XW_SUCCESS if successful
*/
#ifdef XW_PROTOTYPE
XW_STATUS Xw_get_tilemap_info (void *atilemap,int *mtile,int *utile,int *dtile,int *ftile)
#else
XW_STATUS Xw_get_tilemap_info (atilemap,mtile,utile,dtile,ftile)
void *atilemap;
int *mtile,*utile,*dtile,*ftile ;
#endif /*XW_PROTOTYPE*/
{
XW_EXT_TILEMAP *ptilemap = (XW_EXT_TILEMAP*)atilemap;
int i ;
if( !Xw_isdefine_tilemap(ptilemap) ) {
/*ERROR*Bad EXT_TILEMAP Address */
Xw_set_error(49,"Xw_get_tilemap_info",ptilemap) ;
return (XW_ERROR) ;
}
*mtile = MAXTILE ;
*utile = ptilemap->maxtile ;
*dtile = 1 ;
*ftile = -1 ;
for( i=0 ; i< *utile ; i++ ) {
if( ptilemap->tiles[i] ) (*dtile)++ ;
else if( i && *ftile < 0 ) *ftile = i ;
}
#ifdef TRACE_GET_TILEMAP_INFO
if( Xw_get_trace() ) {
printf (" Xw_get_tilemap_info(%lx,%d,%d,%d,%d)\n",
(long ) ptilemap,*mtile,*utile,*dtile,*ftile) ;
}
#endif
return (XW_SUCCESS);
}
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