643 lines
19 KiB
C
643 lines
19 KiB
C
/*
|
|
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
|
|
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
|
|
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
|
|
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
|
|
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
|
|
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
|
|
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
|
|
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
|
|
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
|
|
COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
|
|
*/
|
|
|
|
/*
|
|
*
|
|
* Functions for loading mines in the game
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
#include <string.h>
|
|
#include "inferno.h"
|
|
#include "segment.h"
|
|
#include "textures.h"
|
|
#include "wall.h"
|
|
#include "object.h"
|
|
#include "gamemine.h"
|
|
#include "gamesave.h"
|
|
#include "dxxerror.h"
|
|
#include "gameseg.h"
|
|
#include "switch.h"
|
|
#include "game.h"
|
|
#include "newmenu.h"
|
|
#ifdef EDITOR
|
|
#include "editor/editor.h"
|
|
#endif
|
|
#include "fuelcen.h"
|
|
#include "hash.h"
|
|
#include "key.h"
|
|
#include "piggy.h"
|
|
|
|
#define REMOVE_EXT(s) (*(strchr( (s), '.' ))='\0')
|
|
|
|
struct mtfi mine_top_fileinfo; // Should be same as first two fields below...
|
|
struct mfi mine_fileinfo;
|
|
struct mh mine_header;
|
|
struct me mine_editor;
|
|
|
|
int CreateDefaultNewSegment();
|
|
int load_mine_data_compiled_new(PHYSFS_file *LoadFile);
|
|
|
|
#ifdef EDITOR
|
|
|
|
static char old_tmap_list[MAX_TEXTURES][13];
|
|
short tmap_xlate_table[MAX_TEXTURES];
|
|
static short tmap_times_used[MAX_TEXTURES];
|
|
|
|
// -----------------------------------------------------------------------------
|
|
//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<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 (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" );
|
|
|
|
//===================== 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;
|
|
}
|
|
|
|
// [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++ ) {
|
|
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 (PHYSFS_read( LoadFile, &v16_seg, mine_fileinfo.segment_sizeof, 1 )!=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) {
|
|
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) {
|
|
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 (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;
|
|
|
|
}
|
|
#endif
|
|
|
|
#define COMPILED_MINE_VERSION 0
|
|
|
|
int New_file_format_load = 1;
|
|
|
|
void read_children(int segnum,ubyte bit_mask,PHYSFS_file *LoadFile)
|
|
{
|
|
int bit;
|
|
|
|
for (bit=0; bit<MAX_SIDES_PER_SEGMENT; bit++) {
|
|
if (bit_mask & (1 << bit)) {
|
|
Segments[segnum].children[bit] = PHYSFSX_readShort(LoadFile);
|
|
} else
|
|
Segments[segnum].children[bit] = -1;
|
|
}
|
|
}
|
|
|
|
void read_verts(int segnum,PHYSFS_file *LoadFile)
|
|
{
|
|
int i;
|
|
// Read short Segments[segnum].verts[MAX_VERTICES_PER_SEGMENT]
|
|
for (i = 0; i < MAX_VERTICES_PER_SEGMENT; i++)
|
|
Segments[segnum].verts[i] = PHYSFSX_readShort(LoadFile);
|
|
}
|
|
|
|
void read_special(int segnum,ubyte bit_mask,PHYSFS_file *LoadFile)
|
|
{
|
|
if (bit_mask & (1 << MAX_SIDES_PER_SEGMENT)) {
|
|
// Read ubyte Segments[segnum].special
|
|
Segments[segnum].special = PHYSFSX_readByte(LoadFile);
|
|
// Read byte Segments[segnum].matcen_num
|
|
Segments[segnum].matcen_num = PHYSFSX_readByte(LoadFile);
|
|
// Read short Segments[segnum].value
|
|
Segments[segnum].value = PHYSFSX_readShort(LoadFile);
|
|
} else {
|
|
Segments[segnum].special = 0;
|
|
Segments[segnum].matcen_num = -1;
|
|
Segments[segnum].value = 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* reads a segment2 structure from a PHYSFS_file
|
|
*/
|
|
void segment2_read(segment *s2, PHYSFS_file *fp)
|
|
{
|
|
s2->special = PHYSFSX_readByte(fp);
|
|
if (s2->special >= MAX_CENTER_TYPES)
|
|
s2->special = SEGMENT_IS_NOTHING; // remove goals etc.
|
|
s2->matcen_num = PHYSFSX_readByte(fp);
|
|
s2->value = PHYSFSX_readByte(fp);
|
|
/*s2->s2_flags =*/ PHYSFSX_readByte(fp); // descent 2 ambient sound handling
|
|
s2->static_light = PHYSFSX_readFix(fp);
|
|
}
|
|
|
|
int load_mine_data_compiled(PHYSFS_file *LoadFile)
|
|
{
|
|
int i, segnum, sidenum;
|
|
ubyte compiled_version;
|
|
short temp_short;
|
|
ushort temp_ushort = 0;
|
|
ubyte bit_mask;
|
|
|
|
if (!strcmp(strchr(Gamesave_current_filename, '.'), ".sdl"))
|
|
New_file_format_load = 0; // descent 1 shareware
|
|
else
|
|
New_file_format_load = 1;
|
|
|
|
// For compiled levels, textures map to themselves, prevent tmap_override always being gray,
|
|
// bug which Matt and John refused to acknowledge, so here is Mike, fixing it.
|
|
//
|
|
// Although in a cloud of arrogant glee, he forgot to ifdef it on EDITOR!
|
|
// (Matt told me to write that!)
|
|
#ifdef EDITOR
|
|
for (i=0; i<MAX_TEXTURES; i++)
|
|
tmap_xlate_table[i] = i;
|
|
#endif
|
|
// memset( Segments, 0, sizeof(segment)*MAX_SEGMENTS );
|
|
fuelcen_reset();
|
|
|
|
//=============================== Reading part ==============================
|
|
compiled_version = PHYSFSX_readByte(LoadFile);
|
|
(void)compiled_version;
|
|
|
|
if (New_file_format_load)
|
|
Num_vertices = PHYSFSX_readShort(LoadFile);
|
|
else
|
|
Num_vertices = PHYSFSX_readInt(LoadFile);
|
|
Assert( Num_vertices <= MAX_VERTICES );
|
|
|
|
if (New_file_format_load)
|
|
Num_segments = PHYSFSX_readShort(LoadFile);
|
|
else
|
|
Num_segments = PHYSFSX_readInt(LoadFile);
|
|
Assert( Num_segments <= MAX_SEGMENTS );
|
|
|
|
for (i = 0; i < Num_vertices; i++)
|
|
PHYSFSX_readVector( &(Vertices[i]), LoadFile);
|
|
|
|
for (segnum=0; segnum<Num_segments; segnum++ ) {
|
|
|
|
#ifdef EDITOR
|
|
Segments[segnum].segnum = segnum;
|
|
Segments[segnum].group = 0;
|
|
#endif
|
|
|
|
if (New_file_format_load)
|
|
bit_mask = PHYSFSX_readByte(LoadFile);
|
|
else
|
|
bit_mask = 0x7f; // read all six children and special stuff...
|
|
|
|
if (Gamesave_current_version == 5) { // d2 SHAREWARE level
|
|
read_special(segnum,bit_mask,LoadFile);
|
|
read_verts(segnum,LoadFile);
|
|
read_children(segnum,bit_mask,LoadFile);
|
|
} else {
|
|
read_children(segnum,bit_mask,LoadFile);
|
|
read_verts(segnum,LoadFile);
|
|
if (Gamesave_current_version <= 1) { // descent 1 level
|
|
read_special(segnum,bit_mask,LoadFile);
|
|
}
|
|
}
|
|
|
|
Segments[segnum].objects = -1;
|
|
|
|
if (Gamesave_current_version <= 5) { // descent 1 thru d2 SHAREWARE level
|
|
// Read fix Segments[segnum].static_light (shift down 5 bits, write as short)
|
|
temp_ushort = PHYSFSX_readShort(LoadFile);
|
|
Segments[segnum].static_light = ((fix)temp_ushort) << 4;
|
|
//PHYSFS_read( LoadFile, &Segments[segnum].static_light, sizeof(fix), 1 );
|
|
}
|
|
|
|
// Read the walls as a 6 byte array
|
|
for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++ ) {
|
|
Segments[segnum].sides[sidenum].pad = 0;
|
|
}
|
|
|
|
if (New_file_format_load)
|
|
bit_mask = PHYSFSX_readByte(LoadFile);
|
|
else
|
|
bit_mask = 0x3f; // read all six sides
|
|
for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++) {
|
|
ubyte byte_wallnum;
|
|
|
|
if (bit_mask & (1 << sidenum)) {
|
|
byte_wallnum = PHYSFSX_readByte(LoadFile);
|
|
if ( byte_wallnum == 255 )
|
|
Segments[segnum].sides[sidenum].wall_num = -1;
|
|
else
|
|
Segments[segnum].sides[sidenum].wall_num = byte_wallnum;
|
|
} else
|
|
Segments[segnum].sides[sidenum].wall_num = -1;
|
|
}
|
|
|
|
for (sidenum=0; sidenum<MAX_SIDES_PER_SEGMENT; sidenum++ ) {
|
|
|
|
if ( (Segments[segnum].children[sidenum]==-1) || (Segments[segnum].sides[sidenum].wall_num!=-1) ) {
|
|
// Read short Segments[segnum].sides[sidenum].tmap_num;
|
|
temp_ushort = PHYSFSX_readShort(LoadFile);
|
|
|
|
Segments[segnum].sides[sidenum].tmap_num = convert_tmap(temp_ushort & 0x7fff);
|
|
|
|
if (New_file_format_load && !(temp_ushort & 0x8000))
|
|
Segments[segnum].sides[sidenum].tmap_num2 = 0;
|
|
else {
|
|
// Read short Segments[segnum].sides[sidenum].tmap_num2;
|
|
Segments[segnum].sides[sidenum].tmap_num2 = PHYSFSX_readShort(LoadFile);
|
|
Segments[segnum].sides[sidenum].tmap_num2 =
|
|
(convert_tmap(Segments[segnum].sides[sidenum].tmap_num2 & 0x3fff)) |
|
|
(Segments[segnum].sides[sidenum].tmap_num2 & 0xc000);
|
|
}
|
|
|
|
// Read uvl Segments[segnum].sides[sidenum].uvls[4] (u,v>>5, write as short, l>>1 write as short)
|
|
for (i=0; i<4; i++ ) {
|
|
temp_short = PHYSFSX_readShort(LoadFile);
|
|
Segments[segnum].sides[sidenum].uvls[i].u = ((fix)temp_short) << 5;
|
|
temp_short = PHYSFSX_readShort(LoadFile);
|
|
Segments[segnum].sides[sidenum].uvls[i].v = ((fix)temp_short) << 5;
|
|
temp_ushort = PHYSFSX_readShort(LoadFile);
|
|
Segments[segnum].sides[sidenum].uvls[i].l = ((fix)temp_ushort) << 1;
|
|
//PHYSFS_read( LoadFile, &Segments[segnum].sides[sidenum].uvls[i].l, sizeof(fix), 1 );
|
|
}
|
|
} else {
|
|
Segments[segnum].sides[sidenum].tmap_num = 0;
|
|
Segments[segnum].sides[sidenum].tmap_num2 = 0;
|
|
for (i=0; i<4; i++ ) {
|
|
Segments[segnum].sides[sidenum].uvls[i].u = 0;
|
|
Segments[segnum].sides[sidenum].uvls[i].v = 0;
|
|
Segments[segnum].sides[sidenum].uvls[i].l = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Highest_vertex_index = Num_vertices-1;
|
|
Highest_segment_index = Num_segments-1;
|
|
|
|
validate_segment_all(); // Fill in side type and normals.
|
|
|
|
for (i=0; i<Num_segments; i++) {
|
|
if (Gamesave_current_version > 5)
|
|
segment2_read(&Segments[i], LoadFile);
|
|
fuelcen_activate( &Segments[i], Segments[i].special );
|
|
}
|
|
|
|
reset_objects(1); //one object, the player
|
|
|
|
return 0;
|
|
}
|