예제 #1
0
int CreateDefaultNewSegment()
{
	// Create a default segment for New_segment.
	vms_vector  tempvec;
	med_create_new_segment(vm_vec_make(&tempvec,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE));
	mine_changed = 1;

	return 1;
}
예제 #2
0
// -----------------------------------------------------------------------------
//	Increase the size of Cursegp in dimension dimension by amount
int segsize_common(int dimension, fix amount)
{
    int	i;
    int	propagated[MAX_SIDES_PER_SEGMENT];
    vms_vector	uvec, rvec, fvec, scalevec;

    Degenerate_segment_found = 0;

    med_scale_segment_new(Cursegp, dimension, amount);

    med_extract_up_vector_from_segment_side(Cursegp, Curside, &uvec);
    med_extract_right_vector_from_segment_side(Cursegp, Curside, &rvec);
    extract_forward_vector_from_segment(Cursegp, &fvec);

    scalevec.x = vm_vec_mag(&rvec);
    scalevec.y = vm_vec_mag(&uvec);
    scalevec.z = vm_vec_mag(&fvec);

    if (Degenerate_segment_found) {
        Degenerate_segment_found = 0;
        // mprintf(0, "Applying scale would create degenerate segments.  Aborting scale.\n");
        editor_status("Applying scale would create degenerate segments.  Aborting scale.");
        med_scale_segment_new(Cursegp, dimension, -amount);
        return 1;
    }

    med_create_new_segment(&scalevec);

    //	For all segments to which Cursegp is connected, propagate tmap (uv coordinates) from the connected
    //	segment back to Cursegp.  This will meaningfully propagate uv coordinates to all sides which havve
    //	an incident edge.  It will also do some sides more than once.  And it is probably just not what you want.
    for (i=0; i<MAX_SIDES_PER_SEGMENT; i++)
        propagated[i] = 0;

    for (i=0; i<MAX_SIDES_PER_SEGMENT; i++)
        if (IS_CHILD(Cursegp->children[i])) {
            int	s;
            for (s=0; s<MAX_SIDES_PER_SEGMENT; s++)
                propagated[s]++;
            propagated[Side_opposite[i]]--;
            med_propagate_tmaps_to_segments(&Segments[Cursegp->children[i]],Cursegp,1);
        }

    //	Now, for all sides that were not adjacent to another side, and therefore did not get tmaps
    //	propagated to them, treat as a back side.
    for (i=0; i<MAX_SIDES_PER_SEGMENT; i++)
        if (!propagated[i]) {
            med_propagate_tmaps_to_back_side(Cursegp, i, 1);
        }

    //	New stuff, assign default texture to all affected sides.

    Update_flags |= UF_WORLD_CHANGED;
    mine_changed = 1;
    return 1;
}
예제 #3
0
int medlisp_scale_segment(void)
{
	vms_matrix	rotmat;
	vms_vector	scale;

	scale.x = fl2f((float) func_get_param(0));
	scale.y = fl2f((float) func_get_param(1));
	scale.z = fl2f((float) func_get_param(2));
	med_create_new_segment(&scale);
	med_rotate_segment(Cursegp,vm_angles_2_matrix(&rotmat,&Seg_orientation));
	Update_flags |= UF_WORLD_CHANGED;
	mine_changed = 1;

	return 1;
}
예제 #4
0
// -----------------------------------------------------------------------------
//loads from an already-open file
// returns 0=everything ok, 1=old version, -1=error
int load_mine_data(CFILE *LoadFile)
{
	int   i, j;
	short tmap_xlate;
	int 	translate;
	char 	*temptr;
	int	mine_start = cftell(LoadFile);

	fuelcen_reset();

	for (i=0; i<MAX_TEXTURES; i++ )
		tmap_times_used[i] = 0;
	
	#ifdef EDITOR
	// Create a new mine to initialize things.
	//texpage_goto_first();
	create_new_mine();
	#endif

	//===================== READ FILE INFO ========================

	// These are the default values... version and fileinfo_sizeof
	// don't have defaults.
	mine_fileinfo.header_offset     =   -1;
	mine_fileinfo.header_size       =   sizeof(mine_header);
	mine_fileinfo.editor_offset     =   -1;
	mine_fileinfo.editor_size       =   sizeof(mine_editor);
	mine_fileinfo.vertex_offset     =   -1;
	mine_fileinfo.vertex_howmany    =   0;
	mine_fileinfo.vertex_sizeof     =   sizeof(vms_vector);
	mine_fileinfo.segment_offset    =   -1;
	mine_fileinfo.segment_howmany   =   0;
	mine_fileinfo.segment_sizeof    =   sizeof(segment);
	mine_fileinfo.newseg_verts_offset     =   -1;
	mine_fileinfo.newseg_verts_howmany    =   0;
	mine_fileinfo.newseg_verts_sizeof     =   sizeof(vms_vector);
	mine_fileinfo.group_offset		  =	-1;
	mine_fileinfo.group_howmany	  =	0;
	mine_fileinfo.group_sizeof		  =	sizeof(group);
	mine_fileinfo.texture_offset    =   -1;
	mine_fileinfo.texture_howmany   =   0;
	mine_fileinfo.texture_sizeof    =   13;  // num characters in a name
 	mine_fileinfo.walls_offset		  =	-1;
	mine_fileinfo.walls_howmany	  =	0;
	mine_fileinfo.walls_sizeof		  =	sizeof(wall);  
 	mine_fileinfo.triggers_offset	  =	-1;
	mine_fileinfo.triggers_howmany  =	0;
	mine_fileinfo.triggers_sizeof	  =	sizeof(trigger);  
	mine_fileinfo.object_offset		=	-1;
	mine_fileinfo.object_howmany		=	1;
	mine_fileinfo.object_sizeof		=	sizeof(object);  

	// Read in mine_top_fileinfo to get size of saved fileinfo.
	
	memset( &mine_top_fileinfo, 0, sizeof(mine_top_fileinfo) );

	if (cfseek( LoadFile, mine_start, SEEK_SET ))
		Error( "Error moving to top of file in gamemine.c" );

	if (cfread( &mine_top_fileinfo, sizeof(mine_top_fileinfo), 1, LoadFile )!=1)
		Error( "Error reading mine_top_fileinfo in gamemine.c" );

	if (mine_top_fileinfo.fileinfo_signature != 0x2884)
		return -1;

	// Check version number
	if (mine_top_fileinfo.fileinfo_version < COMPATIBLE_VERSION )
		return -1;

	// Now, Read in the fileinfo
	if (cfseek( LoadFile, mine_start, SEEK_SET ))
		Error( "Error seeking to top of file in gamemine.c" );

	if (cfread( &mine_fileinfo, mine_top_fileinfo.fileinfo_sizeof, 1, LoadFile )!=1)
		Error( "Error reading mine_fileinfo in gamemine.c" );

	//===================== READ HEADER INFO ========================

	// Set default values.
	mine_header.num_vertices        =   0;
	mine_header.num_segments        =   0;

	if (mine_fileinfo.header_offset > -1 )
	{
		if (cfseek( LoadFile, mine_fileinfo.header_offset, SEEK_SET ))
			Error( "Error seeking to header_offset in gamemine.c" );
	
		if (cfread( &mine_header, mine_fileinfo.header_size, 1, LoadFile )!=1)
			Error( "Error reading mine_header in gamemine.c" );
	}

	//===================== READ EDITOR INFO ==========================

	// Set default values
	mine_editor.current_seg         =   0;
	mine_editor.newsegment_offset   =   -1; // To be written
	mine_editor.newsegment_size     =   sizeof(segment);
	mine_editor.Curside             =   0;
	mine_editor.Markedsegp          =   -1;
	mine_editor.Markedside          =   0;

	if (mine_fileinfo.editor_offset > -1 )
	{
		if (cfseek( LoadFile, mine_fileinfo.editor_offset, SEEK_SET ))
			Error( "Error seeking to editor_offset in gamemine.c" );
	
		if (cfread( &mine_editor, mine_fileinfo.editor_size, 1, LoadFile )!=1)
			Error( "Error reading mine_editor in gamemine.c" );
	}

	//===================== READ TEXTURE INFO ==========================

	if ( (mine_fileinfo.texture_offset > -1) && (mine_fileinfo.texture_howmany > 0))
	{
		if (cfseek( LoadFile, mine_fileinfo.texture_offset, SEEK_SET ))
			Error( "Error seeking to texture_offset in gamemine.c" );

		for (i=0; i< mine_fileinfo.texture_howmany; i++ )
		{
			if (cfread( &old_tmap_list[i], mine_fileinfo.texture_sizeof, 1, LoadFile )!=1)
				Error( "Error reading old_tmap_list[i] in gamemine.c" );
		}
	}

	//=============== GENERATE TEXTURE TRANSLATION TABLE ===============

	translate = 0;
	
	Assert (NumTextures < MAX_TEXTURES);

	{
		hashtable ht;
	
		hashtable_init( &ht, NumTextures );
	
		// Remove all the file extensions in the textures list
	
		for (i=0;i<NumTextures;i++)	{
			temptr = strchr(TmapInfo[i].filename, '.');
			if (temptr) *temptr = '\0';
			hashtable_insert( &ht, TmapInfo[i].filename, i );
		}
	
		// For every texture, search through the texture list
		// to find a matching name.
		for (j=0;j<mine_fileinfo.texture_howmany;j++) 	{
			// Remove this texture name's extension
			temptr = strchr(old_tmap_list[j], '.');
			if (temptr) *temptr = '\0';
	
			tmap_xlate_table[j] = hashtable_search( &ht,old_tmap_list[j]);
			if (tmap_xlate_table[j]	< 0 )	{
				//tmap_xlate_table[j] = 0;
				// mprintf( (0, "Couldn't find texture '%s'\n", old_tmap_list[j] ));
				;
			}
			if (tmap_xlate_table[j] != j ) translate = 1;
			if (tmap_xlate_table[j] >= 0)
				tmap_times_used[tmap_xlate_table[j]]++;
		}
	
		{
			int count = 0;
			for (i=0; i<MAX_TEXTURES; i++ )
				if (tmap_times_used[i])
					count++;
			mprintf( (0, "This mine has %d unique textures in it (~%d KB)\n", count, (count*4096) /1024 ));
		}
	
		mprintf( (0, "Translate=%d\n", translate ));
	
		hashtable_free( &ht );
	}

	//====================== READ VERTEX INFO ==========================

	// New check added to make sure we don't read in too many vertices.
	if ( mine_fileinfo.vertex_howmany > MAX_VERTICES )
		{
		mprintf((0, "Num vertices exceeds maximum.  Loading MAX %d vertices\n", MAX_VERTICES));
		mine_fileinfo.vertex_howmany = MAX_VERTICES;
		}

	if ( (mine_fileinfo.vertex_offset > -1) && (mine_fileinfo.vertex_howmany > 0))
	{
		if (cfseek( LoadFile, mine_fileinfo.vertex_offset, SEEK_SET ))
			Error( "Error seeking to vertex_offset in gamemine.c" );

		for (i=0; i< mine_fileinfo.vertex_howmany; i++ )
		{
			// Set the default values for this vertex
			Vertices[i].x = 1;
			Vertices[i].y = 1;
			Vertices[i].z = 1;

			if (cfread( &Vertices[i], mine_fileinfo.vertex_sizeof, 1, LoadFile )!=1)
				Error( "Error reading Vertices[i] in gamemine.c" );
		}
	}

	//==================== READ SEGMENT INFO ===========================

	// New check added to make sure we don't read in too many segments.
	if ( mine_fileinfo.segment_howmany > MAX_SEGMENTS ) {
		mprintf((0, "Num segments exceeds maximum.  Loading MAX %d segments\n", MAX_SEGMENTS));
		mine_fileinfo.segment_howmany = MAX_SEGMENTS;
	}

	// [commented out by mk on 11/20/94 (weren't we supposed to hit final in October?) because it looks redundant.  I think I'll test it now...]  fuelcen_reset();

	if ( (mine_fileinfo.segment_offset > -1) && (mine_fileinfo.segment_howmany > 0))	{

		if (cfseek( LoadFile, mine_fileinfo.segment_offset,SEEK_SET ))

			Error( "Error seeking to segment_offset in gamemine.c" );

		Highest_segment_index = mine_fileinfo.segment_howmany-1;

		for (i=0; i< mine_fileinfo.segment_howmany; i++ ) {
			segment v16_seg;

			// Set the default values for this segment (clear to zero )
			//memset( &Segments[i], 0, sizeof(segment) );

			if (mine_top_fileinfo.fileinfo_version >= 16) {

				Assert(mine_fileinfo.segment_sizeof == sizeof(v16_seg));

				if (cfread( &v16_seg, mine_fileinfo.segment_sizeof, 1, LoadFile )!=1)
					Error( "Error reading segments in gamemine.c" );

			}				
			else 
				Error("Invalid mine version");

			Segments[i] = v16_seg;

			Segments[i].objects = -1;
			#ifdef EDITOR
			Segments[i].group = -1;
			#endif

			if (mine_top_fileinfo.fileinfo_version < 15) {	//used old uvl ranges
				int sn,uvln;

				for (sn=0;sn<MAX_SIDES_PER_SEGMENT;sn++)
					for (uvln=0;uvln<4;uvln++) {
						Segments[i].sides[sn].uvls[uvln].u /= 64;
						Segments[i].sides[sn].uvls[uvln].v /= 64;
						Segments[i].sides[sn].uvls[uvln].l /= 32;
					}
			}

			fuelcen_activate( &Segments[i], Segments[i].special );

			if (translate == 1)
				for (j=0;j<MAX_SIDES_PER_SEGMENT;j++) {
					unsigned short orient;
					tmap_xlate = Segments[i].sides[j].tmap_num;
					Segments[i].sides[j].tmap_num = tmap_xlate_table[tmap_xlate];
					if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
						if (Segments[i].sides[j].tmap_num < 0)	{
							mprintf( (0, "Couldn't find texture '%s' for Segment %d, side %d\n", old_tmap_list[tmap_xlate],i,j));
							Int3();
							Segments[i].sides[j].tmap_num = 0;
						}
					tmap_xlate = Segments[i].sides[j].tmap_num2 & 0x3FFF;
					orient = Segments[i].sides[j].tmap_num2 & (~0x3FFF);
					if (tmap_xlate != 0) {
						int xlated_tmap = tmap_xlate_table[tmap_xlate];

						if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
							if (xlated_tmap <= 0)	{
								mprintf( (0, "Couldn't find texture '%s' for Segment %d, side %d\n", old_tmap_list[tmap_xlate],i,j));
								Int3();
								Segments[i].sides[j].tmap_num2 = 0;
							}
						Segments[i].sides[j].tmap_num2 = xlated_tmap | orient;
					}
				}
		}
	}

	//===================== READ NEWSEGMENT INFO =====================

	#ifdef EDITOR

	{		// Default segment created.
		vms_vector	sizevec;
		med_create_new_segment(vm_vec_make(&sizevec,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE));		// New_segment = Segments[0];
		//memset( &New_segment, 0, sizeof(segment) );
	}

	if (mine_editor.newsegment_offset > -1)
	{
		if (cfseek( LoadFile, mine_editor.newsegment_offset,SEEK_SET ))
			Error( "Error seeking to newsegment_offset in gamemine.c" );
		if (cfread( &New_segment, mine_editor.newsegment_size,1,LoadFile )!=1)
			Error( "Error reading new_segment in gamemine.c" );
	}

	if ( (mine_fileinfo.newseg_verts_offset > -1) && (mine_fileinfo.newseg_verts_howmany > 0))
	{
		if (cfseek( LoadFile, mine_fileinfo.newseg_verts_offset, SEEK_SET ))
			Error( "Error seeking to newseg_verts_offset in gamemine.c" );
		for (i=0; i< mine_fileinfo.newseg_verts_howmany; i++ )
		{
			// Set the default values for this vertex
			Vertices[NEW_SEGMENT_VERTICES+i].x = 1;
			Vertices[NEW_SEGMENT_VERTICES+i].y = 1;
			Vertices[NEW_SEGMENT_VERTICES+i].z = 1;
			
			if (cfread( &Vertices[NEW_SEGMENT_VERTICES+i], mine_fileinfo.newseg_verts_sizeof,1,LoadFile )!=1)
				Error( "Error reading Vertices[NEW_SEGMENT_VERTICES+i] in gamemine.c" );

			New_segment.verts[i] = NEW_SEGMENT_VERTICES+i;
		}
	}

	#endif
															
	//========================= UPDATE VARIABLES ======================

	#ifdef EDITOR

	// Setting to Markedsegp to NULL ignores Curside and Markedside, which
	// we want to do when reading in an old file.
	
 	Markedside = mine_editor.Markedside;
	Curside = mine_editor.Curside;
	for (i=0;i<10;i++)
		Groupside[i] = mine_editor.Groupside[i];

	if ( mine_editor.current_seg != -1 )
		Cursegp = mine_editor.current_seg + Segments;
	else
 		Cursegp = NULL;

	if (mine_editor.Markedsegp != -1 ) 
		Markedsegp = mine_editor.Markedsegp + Segments;
	else
		Markedsegp = NULL;

	num_groups = 0;
	current_group = -1;

	#endif

	Num_vertices = mine_fileinfo.vertex_howmany;
	Num_segments = mine_fileinfo.segment_howmany;
	Highest_vertex_index = Num_vertices-1;
	Highest_segment_index = Num_segments-1;

	reset_objects(1);		//one object, the player

	#ifdef EDITOR
	Highest_vertex_index = MAX_SEGMENT_VERTICES-1;
	Highest_segment_index = MAX_SEGMENTS-1;
	set_vertex_counts();
	Highest_vertex_index = Num_vertices-1;
	Highest_segment_index = Num_segments-1;

	warn_if_concave_segments();
	#endif

	#ifdef EDITOR
		validate_segment_all();
	#endif

	//create_local_segment_data();

	//gamemine_find_textures();

	if (mine_top_fileinfo.fileinfo_version < MINE_VERSION )
		return 1;		//old version
	else
		return 0;

}
예제 #5
0
// --------------------------------------------------------------------------------------
//	Create a new mine, set global variables.
int create_new_mine(void)
{
	int	s;
	vms_vector	sizevec;
	vms_matrix	m1 = IDENTITY_MATRIX;
	
	// initialize_mine_arrays();
	
	//	gamestate_not_restored = 1;
	
	// Clear refueling center code
	fuelcen_reset();
	hostage_init_all();
	
	init_all_vertices();
	
	Current_level_num = 0;		//0 means not a real level
	Current_level_name[0] = 0;
	Gamesave_current_version = LEVEL_FILE_VERSION;
	
	Cur_object_index = -1;
	reset_objects(1);		//just one object, the player
	
	num_groups = 0;
	current_group = -1;
	
	
	Num_vertices = 0;		// Number of vertices in global array.
	Highest_vertex_index = 0;
	Num_segments = 0;		// Number of segments in global array, will get increased in med_create_segment
	Highest_segment_index = 0;
	Cursegp = Segments;	// Say current segment is the only segment.
	Curside = WBACK;		// The active side is the back side
	Markedsegp = 0;		// Say there is no marked segment.
	Markedside = WBACK;	//	Shouldn't matter since Markedsegp == 0, but just in case...
	for (s=0;s<MAX_GROUPS+1;s++) {
		GroupList[s].num_segments = 0;		
		GroupList[s].num_vertices = 0;		
		Groupsegp[s] = NULL;
		Groupside[s] = 0;
	}
	
	Num_robot_centers = 0;
	Num_open_doors = 0;
	wall_init();
	trigger_init();
	
	// Create New_segment, which is the segment we will be adding at each instance.
	med_create_new_segment(vm_vec_make(&sizevec,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE));		// New_segment = Segments[0];
	//	med_create_segment(Segments,0,0,0,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE,vm_mat_make(&m1,F1_0,0,0,0,F1_0,0,0,0,F1_0));
	med_create_segment(Segments,0,0,0,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE,&m1);
	
	N_found_segs = 0;
	N_selected_segs = 0;
	N_warning_segs = 0;
	
	//--repair-- create_local_segment_data();
	
	ControlCenterTriggers.num_links = 0;
	
	create_new_mission();
	
    //editor_status("New mine created.");
	return	0;			// say no error
}
예제 #6
0
// -----------------------------------------------------------------------------
//loads from an already-open file
// returns 0=everything ok, 1=old version, -1=error
int load_mine_data(PHYSFS_file *LoadFile)
{
	int   i, j;
	short tmap_xlate;
	int 	translate;
	char 	*temptr;
	int	mine_start = PHYSFS_tell(LoadFile);

	fuelcen_reset();

	for (i=0; i<sizeof(tmap_times_used)/sizeof(tmap_times_used[0]); i++ )
		tmap_times_used[i] = 0;

	#ifdef EDITOR
	// Create a new mine to initialize things.
	//texpage_goto_first();
	create_new_mine();
	#endif

	//===================== READ FILE INFO ========================

	// These are the default values... version and fileinfo_sizeof
	// don't have defaults.
	mine_fileinfo.header_offset     =   -1;
	mine_fileinfo.header_size       =   sizeof(mine_header);
	mine_fileinfo.editor_offset     =   -1;
	mine_fileinfo.editor_size       =   sizeof(mine_editor);
	mine_fileinfo.vertex_offset     =   -1;
	mine_fileinfo.vertex_howmany    =   0;
	mine_fileinfo.vertex_sizeof     =   sizeof(vms_vector);
	mine_fileinfo.segment_offset    =   -1;
	mine_fileinfo.segment_howmany   =   0;
	mine_fileinfo.segment_sizeof    =   sizeof(segment);
	mine_fileinfo.newseg_verts_offset     =   -1;
	mine_fileinfo.newseg_verts_howmany    =   0;
	mine_fileinfo.newseg_verts_sizeof     =   sizeof(vms_vector);
	mine_fileinfo.group_offset		  =	-1;
	mine_fileinfo.group_howmany	  =	0;
	mine_fileinfo.group_sizeof		  =	sizeof(group);
	mine_fileinfo.texture_offset    =   -1;
	mine_fileinfo.texture_howmany   =   0;
 	mine_fileinfo.texture_sizeof    =   FILENAME_LEN;  // num characters in a name
 	mine_fileinfo.walls_offset		  =	-1;
	mine_fileinfo.walls_howmany	  =	0;
	mine_fileinfo.walls_sizeof		  =	sizeof(wall);  
 	mine_fileinfo.triggers_offset	  =	-1;
	mine_fileinfo.triggers_howmany  =	0;
	mine_fileinfo.triggers_sizeof	  =	sizeof(trigger);  
	mine_fileinfo.object_offset		=	-1;
	mine_fileinfo.object_howmany		=	1;
	mine_fileinfo.object_sizeof		=	sizeof(object);  

	mine_fileinfo.level_shake_frequency		=	0;
	mine_fileinfo.level_shake_duration		=	0;

	//	Delta light stuff for blowing out light sources.
//	if (mine_top_fileinfo.fileinfo_version >= 19) {
		mine_fileinfo.dl_indices_offset		=	-1;
		mine_fileinfo.dl_indices_howmany		=	0;
		mine_fileinfo.dl_indices_sizeof		=	sizeof(dl_index);  

		mine_fileinfo.delta_light_offset		=	-1;
		mine_fileinfo.delta_light_howmany		=	0;
		mine_fileinfo.delta_light_sizeof		=	sizeof(delta_light);  

//	}

	mine_fileinfo.segment2_offset		= -1;
	mine_fileinfo.segment2_howmany	= 0;
	mine_fileinfo.segment2_sizeof    = sizeof(segment2);

	// Read in mine_top_fileinfo to get size of saved fileinfo.
	
	memset( &mine_top_fileinfo, 0, sizeof(mine_top_fileinfo) );

	if (PHYSFSX_fseek( LoadFile, mine_start, SEEK_SET ))
		Error( "Error moving to top of file in gamemine.c" );

	if (PHYSFS_read( LoadFile, &mine_top_fileinfo, sizeof(mine_top_fileinfo), 1 )!=1)
		Error( "Error reading mine_top_fileinfo in gamemine.c" );

	if (mine_top_fileinfo.fileinfo_signature != 0x2884)
		return -1;

	// Check version number
	if (mine_top_fileinfo.fileinfo_version < COMPATIBLE_VERSION )
		return -1;

	// Now, Read in the fileinfo
	if (PHYSFSX_fseek( LoadFile, mine_start, SEEK_SET ))
		Error( "Error seeking to top of file in gamemine.c" );

	if (PHYSFS_read( LoadFile, &mine_fileinfo, mine_top_fileinfo.fileinfo_sizeof, 1 )!=1)
		Error( "Error reading mine_fileinfo in gamemine.c" );

	if (mine_top_fileinfo.fileinfo_version < 18) {
		Level_shake_frequency = 0;
		Level_shake_duration = 0;
		Secret_return_segment = 0;
		Secret_return_orient = vmd_identity_matrix;
	} else {
		Level_shake_frequency = mine_fileinfo.level_shake_frequency << 12;
		Level_shake_duration = mine_fileinfo.level_shake_duration << 12;
		Secret_return_segment = mine_fileinfo.secret_return_segment;
		Secret_return_orient = mine_fileinfo.secret_return_orient;
	}

	//===================== READ HEADER INFO ========================

	// Set default values.
	mine_header.num_vertices        =   0;
	mine_header.num_segments        =   0;

	if (mine_fileinfo.header_offset > -1 )
	{
		if (PHYSFSX_fseek( LoadFile, mine_fileinfo.header_offset, SEEK_SET ))
			Error( "Error seeking to header_offset in gamemine.c" );
	
		if (PHYSFS_read( LoadFile, &mine_header, mine_fileinfo.header_size, 1 )!=1)
			Error( "Error reading mine_header in gamemine.c" );
	}

	//===================== READ EDITOR INFO ==========================

	// Set default values
	mine_editor.current_seg         =   0;
	mine_editor.newsegment_offset   =   -1; // To be written
	mine_editor.newsegment_size     =   sizeof(segment);
	mine_editor.Curside             =   0;
	mine_editor.Markedsegp          =   -1;
	mine_editor.Markedside          =   0;

	if (mine_fileinfo.editor_offset > -1 )
	{
		if (PHYSFSX_fseek( LoadFile, mine_fileinfo.editor_offset, SEEK_SET ))
			Error( "Error seeking to editor_offset in gamemine.c" );
	
		if (PHYSFS_read( LoadFile, &mine_editor, mine_fileinfo.editor_size, 1 )!=1)
			Error( "Error reading mine_editor in gamemine.c" );
	}

	//===================== READ TEXTURE INFO ==========================

	if ( (mine_fileinfo.texture_offset > -1) && (mine_fileinfo.texture_howmany > 0))
	{
		if (PHYSFSX_fseek( LoadFile, mine_fileinfo.texture_offset, SEEK_SET ))
			Error( "Error seeking to texture_offset in gamemine.c" );

		for (i=0; i< mine_fileinfo.texture_howmany; i++ )
		{
			if (PHYSFS_read( LoadFile, &old_tmap_list[i], mine_fileinfo.texture_sizeof, 1 )!=1)
				Error( "Error reading old_tmap_list[i] in gamemine.c" );
		}
	}

	//=============== GENERATE TEXTURE TRANSLATION TABLE ===============

	translate = 0;
	
	Assert (NumTextures < MAX_TEXTURES);

	{
		hashtable ht;
	
		hashtable_init( &ht, NumTextures );
	
		// Remove all the file extensions in the textures list
	
		for (i=0;i<NumTextures;i++)	{
			temptr = strchr(TmapInfo[i].filename, '.');
			if (temptr) *temptr = '\0';
			hashtable_insert( &ht, TmapInfo[i].filename, i );
		}
	
		// For every texture, search through the texture list
		// to find a matching name.
		for (j=0;j<mine_fileinfo.texture_howmany;j++) 	{
			// Remove this texture name's extension
			temptr = strchr(old_tmap_list[j], '.');
			if (temptr) *temptr = '\0';
	
			tmap_xlate_table[j] = hashtable_search( &ht,old_tmap_list[j]);
			if (tmap_xlate_table[j]	< 0 )	{
				;
			}
			if (tmap_xlate_table[j] != j ) translate = 1;
			if (tmap_xlate_table[j] >= 0)
				tmap_times_used[tmap_xlate_table[j]]++;
		}
	
		{
			int count = 0;
			for (i=0; i<MAX_TEXTURES; i++ )
				if (tmap_times_used[i])
					count++;
		}
	
		hashtable_free( &ht );
	}

	//====================== READ VERTEX INFO ==========================

	// New check added to make sure we don't read in too many vertices.
	if ( mine_fileinfo.vertex_howmany > MAX_VERTICES )
		{
		mine_fileinfo.vertex_howmany = MAX_VERTICES;
		}

	if ( (mine_fileinfo.vertex_offset > -1) && (mine_fileinfo.vertex_howmany > 0))
	{
		if (PHYSFSX_fseek( LoadFile, mine_fileinfo.vertex_offset, SEEK_SET ))
			Error( "Error seeking to vertex_offset in gamemine.c" );

		for (i=0; i< mine_fileinfo.vertex_howmany; i++ )
		{
			// Set the default values for this vertex
			Vertices[i].x = 1;
			Vertices[i].y = 1;
			Vertices[i].z = 1;

			if (PHYSFS_read( LoadFile, &Vertices[i], mine_fileinfo.vertex_sizeof, 1 )!=1)
				Error( "Error reading Vertices[i] in gamemine.c" );
		}
	}

	//==================== READ SEGMENT INFO ===========================

	// New check added to make sure we don't read in too many segments.
	if ( mine_fileinfo.segment_howmany > MAX_SEGMENTS ) {
		mine_fileinfo.segment_howmany = MAX_SEGMENTS;
		mine_fileinfo.segment2_howmany = MAX_SEGMENTS;
	}

	// [commented out by mk on 11/20/94 (weren't we supposed to hit final in October?) because it looks redundant.  I think I'll test it now...]  fuelcen_reset();

	if ( (mine_fileinfo.segment_offset > -1) && (mine_fileinfo.segment_howmany > 0))	{

		if (PHYSFSX_fseek( LoadFile, mine_fileinfo.segment_offset,SEEK_SET ))

			Error( "Error seeking to segment_offset in gamemine.c" );

		Highest_segment_index = mine_fileinfo.segment_howmany-1;

		for (i=0; i< mine_fileinfo.segment_howmany; i++ ) {

			// Set the default values for this segment (clear to zero )
			//memset( &Segments[i], 0, sizeof(segment) );

			if (mine_top_fileinfo.fileinfo_version < 20) {
				v16_segment v16_seg;

				Assert(mine_fileinfo.segment_sizeof == sizeof(v16_seg));

				if (PHYSFS_read( LoadFile, &v16_seg, mine_fileinfo.segment_sizeof, 1 )!=1)
					Error( "Error reading segments in gamemine.c" );

				#ifdef EDITOR
				Segments[i].segnum = v16_seg.segnum;
				// -- Segments[i].pad = v16_seg.pad;
				#endif

				for (j=0; j<MAX_SIDES_PER_SEGMENT; j++)
					Segments[i].sides[j] = v16_seg.sides[j];

				for (j=0; j<MAX_SIDES_PER_SEGMENT; j++)
					Segments[i].children[j] = v16_seg.children[j];

				for (j=0; j<MAX_VERTICES_PER_SEGMENT; j++)
					Segments[i].verts[j] = v16_seg.verts[j];

				Segment2s[i].special = v16_seg.special;
				Segment2s[i].value = v16_seg.value;
				Segment2s[i].s2_flags = 0;
				Segment2s[i].matcen_num = v16_seg.matcen_num;
				Segment2s[i].static_light = v16_seg.static_light;
				fuelcen_activate( &Segments[i], Segment2s[i].special );

			} else  {
				if (PHYSFS_read( LoadFile, &Segments[i], mine_fileinfo.segment_sizeof, 1 )!=1)
					Error("Unable to read segment %i\n", i);
			}

			Segments[i].objects = -1;
			#ifdef EDITOR
			Segments[i].group = -1;
			#endif

			if (mine_top_fileinfo.fileinfo_version < 15) {	//used old uvl ranges
				int sn,uvln;

				for (sn=0;sn<MAX_SIDES_PER_SEGMENT;sn++)
					for (uvln=0;uvln<4;uvln++) {
						Segments[i].sides[sn].uvls[uvln].u /= 64;
						Segments[i].sides[sn].uvls[uvln].v /= 64;
						Segments[i].sides[sn].uvls[uvln].l /= 32;
					}
			}

			if (translate == 1)
				for (j=0;j<MAX_SIDES_PER_SEGMENT;j++) {
					unsigned short orient;
					tmap_xlate = Segments[i].sides[j].tmap_num;
					Segments[i].sides[j].tmap_num = tmap_xlate_table[tmap_xlate];
					if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
						if (Segments[i].sides[j].tmap_num < 0)	{
							Int3();
							Segments[i].sides[j].tmap_num = NumTextures-1;
						}
					tmap_xlate = Segments[i].sides[j].tmap_num2 & TMAP_NUM_MASK;
					orient = Segments[i].sides[j].tmap_num2 & (~TMAP_NUM_MASK);
					if (tmap_xlate != 0) {
						int xlated_tmap = tmap_xlate_table[tmap_xlate];

						if ((WALL_IS_DOORWAY(&Segments[i],j) & WID_RENDER_FLAG))
							if (xlated_tmap <= 0)	{
								Int3();
								Segments[i].sides[j].tmap_num2 = NumTextures-1;
							}
						Segments[i].sides[j].tmap_num2 = xlated_tmap | orient;
					}
				}
		}


		if (mine_top_fileinfo.fileinfo_version >= 20)
			for (i=0; i<=Highest_segment_index; i++) {
				PHYSFS_read(LoadFile, &Segment2s[i], sizeof(segment2), 1);
				fuelcen_activate( &Segments[i], Segment2s[i].special );
			}
	}

	//===================== READ NEWSEGMENT INFO =====================

	#ifdef EDITOR

	{		// Default segment created.
		vms_vector	sizevec;
		med_create_new_segment(vm_vec_make(&sizevec,DEFAULT_X_SIZE,DEFAULT_Y_SIZE,DEFAULT_Z_SIZE));		// New_segment = Segments[0];
		//memset( &New_segment, 0, sizeof(segment) );
	}

	if (mine_editor.newsegment_offset > -1)
	{
		if (PHYSFSX_fseek( LoadFile, mine_editor.newsegment_offset,SEEK_SET ))
			Error( "Error seeking to newsegment_offset in gamemine.c" );
		if (PHYSFS_read( LoadFile, &New_segment, mine_editor.newsegment_size,1 )!=1)
			Error( "Error reading new_segment in gamemine.c" );
	}

	if ( (mine_fileinfo.newseg_verts_offset > -1) && (mine_fileinfo.newseg_verts_howmany > 0))
	{
		if (PHYSFSX_fseek( LoadFile, mine_fileinfo.newseg_verts_offset, SEEK_SET ))
			Error( "Error seeking to newseg_verts_offset in gamemine.c" );
		for (i=0; i< mine_fileinfo.newseg_verts_howmany; i++ )
		{
			// Set the default values for this vertex
			Vertices[NEW_SEGMENT_VERTICES+i].x = 1;
			Vertices[NEW_SEGMENT_VERTICES+i].y = 1;
			Vertices[NEW_SEGMENT_VERTICES+i].z = 1;
			
			if (PHYSFS_read( LoadFile, &Vertices[NEW_SEGMENT_VERTICES+i], mine_fileinfo.newseg_verts_sizeof,1 )!=1)
				Error( "Error reading Vertices[NEW_SEGMENT_VERTICES+i] in gamemine.c" );

			New_segment.verts[i] = NEW_SEGMENT_VERTICES+i;
		}
	}

	#endif
															
	//========================= UPDATE VARIABLES ======================

	#ifdef EDITOR

	// Setting to Markedsegp to NULL ignores Curside and Markedside, which
	// we want to do when reading in an old file.
	
 	Markedside = mine_editor.Markedside;
	Curside = mine_editor.Curside;
	for (i=0;i<10;i++)
		Groupside[i] = mine_editor.Groupside[i];

	if ( mine_editor.current_seg != -1 )
		Cursegp = mine_editor.current_seg + Segments;
	else
 		Cursegp = NULL;

	if (mine_editor.Markedsegp != -1 ) 
		Markedsegp = mine_editor.Markedsegp + Segments;
	else
		Markedsegp = NULL;

	num_groups = 0;
	current_group = -1;

	#endif

	Num_vertices = mine_fileinfo.vertex_howmany;
	Num_segments = mine_fileinfo.segment_howmany;
	Highest_vertex_index = Num_vertices-1;
	Highest_segment_index = Num_segments-1;

	reset_objects(1);		//one object, the player

	#ifdef EDITOR
	Highest_vertex_index = MAX_SEGMENT_VERTICES-1;
	Highest_segment_index = MAX_SEGMENTS-1;
	set_vertex_counts();
	Highest_vertex_index = Num_vertices-1;
	Highest_segment_index = Num_segments-1;

	warn_if_concave_segments();
	#endif

	#ifdef EDITOR
		validate_segment_all();
	#endif

	//create_local_segment_data();

	//gamemine_find_textures();

	if (mine_top_fileinfo.fileinfo_version < MINE_VERSION )
		return 1;		//old version
	else
		return 0;

}