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xash3d-fwgs/utils/mdldec/mdldec.c

303 lines
6.5 KiB

/*
mdldec.c - Half-Life Studio Model Decompiler
Copyright (C) 2020 Andrey Akhmichin
This program 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 3 of the License, or
(at your option) any later version.
This program 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "const.h"
#include "com_model.h"
#include "crtlib.h"
#include "studio.h"
#include "qc.h"
#include "smd.h"
#include "texture.h"
#include "utils.h"
#include "version.h"
char destdir[MAX_SYSPATH];
char modelfile[MAX_SYSPATH];
studiohdr_t *model_hdr;
studiohdr_t *texture_hdr;
studiohdr_t **anim_hdr;
/*
============
SequenceNameFix
============
*/
static void SequenceNameFix( void )
{
int i, j, counter;
qboolean hasduplicates = false;
mstudioseqdesc_t *seqdesc, *seqdesc1;
for( i = 0; i < model_hdr->numseq; i++ )
{
seqdesc = (mstudioseqdesc_t *)( (byte *)model_hdr + model_hdr->seqindex ) + i;
counter = 1;
for( j = 0; j < model_hdr->numseq; j++ )
{
seqdesc1 = (mstudioseqdesc_t *)( (byte *)model_hdr + model_hdr->seqindex ) + j;
if( j != i && !Q_strncmp( seqdesc1->label, seqdesc->label, sizeof( seqdesc1->label ) ) )
Q_snprintf( seqdesc1->label, sizeof( seqdesc1->label ), "%s_%i", seqdesc1->label, ++counter );
}
if( counter > 1 )
{
printf( "WARNING: Sequence name \"%s\" is repeated %i times.\n", seqdesc->label, counter );
Q_snprintf( seqdesc->label, sizeof( seqdesc->label ), "%s_1", seqdesc->label );
hasduplicates = true;
}
}
if( hasduplicates )
puts( "WARNING: Added numeric suffix to repeated sequence name(s)." );
}
/*
============
BoneNameFix
============
*/
static void BoneNameFix( void )
{
int i, counter = 0;
mstudiobone_t *bone;
for( i = 0; i < model_hdr->numbones; i++ )
{
bone = (mstudiobone_t *)( (byte *)model_hdr + model_hdr->boneindex ) + i;
if( bone->name[0] == '\0' )
Q_sprintf( bone->name, "MDLDEC_Bone%i", ++counter );
}
if( counter )
printf( "WARNING: Gived name to %i unnamed bone(s).\n", counter );
}
/*
============
LoadMDL
============
*/
static qboolean LoadMDL( const char *modelname )
{
int i;
size_t len;
char texturename[MAX_SYSPATH];
char seqgroupname[MAX_SYSPATH];
const char *ext;
const char id_mdlhdr[] = {'I', 'D', 'S', 'T'};
const char id_seqhdr[] = {'I', 'D', 'S', 'Q'};
printf( "MDL: %s\n", modelname );
len = Q_strlen( modelname );
if( len > MAX_SYSPATH - 3 )
{
fputs( "ERROR: Source path is too long.\n", stderr );
return false;
}
ext = COM_FileExtension( modelname );
if( !ext )
{
fprintf( stderr, "ERROR: Source file does not have extension.\n" );
return false;
}
if( Q_strcmp( ext, "mdl" ) )
{
fprintf( stderr, "ERROR: Only .mdl-files is supported.\n" );
return false;
}
model_hdr = (studiohdr_t *)LoadFile( modelname );
if( !model_hdr )
{
fprintf( stderr, "ERROR: Can't open %s\n", modelname );
return false;
}
if( memcmp( &model_hdr->ident, id_mdlhdr, sizeof( id_mdlhdr ) ) )
{
if( !memcmp( &model_hdr->ident, id_seqhdr, sizeof( id_seqhdr ) ) )
fprintf( stderr, "ERROR: %s is not a main HL model file.\n", modelname );
else
fprintf( stderr, "ERROR: %s is not a valid HL model file.\n", modelname );
return false;
}
if( model_hdr->version != STUDIO_VERSION )
{
fprintf( stderr, "ERROR: %s has unknown Studio MDL format version.\n", modelname );
return false;
}
if( !model_hdr->numbodyparts )
{
fprintf( stderr, "ERROR: %s is not a main HL model file.\n", modelname );
return false;
}
if( destdir[0] != '\0' )
{
if( !MakeDirectory( destdir ) )
{
fprintf( stderr, "ERROR: Couldn't create directory %s\n", destdir );
return false;
}
COM_PathSlashFix( destdir );
}
else
COM_ExtractFilePath( modelname, destdir );
len -= ( sizeof( ".mdl" ) - 1 ); // path length without extension
if( !model_hdr->numtextures )
{
Q_strcpy( texturename, modelname );
Q_strcpy( &texturename[len], "t.mdl" );
texture_hdr = (studiohdr_t *)LoadFile( texturename );
if( !texture_hdr )
{
#if !XASH_WIN32
// dirty hack for casesensetive filesystems
texturename[len] = 'T';
texture_hdr = (studiohdr_t *)LoadFile( texturename );
if( !texture_hdr )
#endif
{
fprintf( stderr, "ERROR: Can't open external textures file %s\n", texturename );
return false;
}
}
if( memcmp( &texture_hdr->ident, id_mdlhdr, sizeof( id_mdlhdr ) )
|| !texture_hdr->numtextures )
{
fprintf( stderr, "ERROR: %s is not a valid external textures file.\n", texturename );
return false;
}
}
else
texture_hdr = model_hdr;
anim_hdr = malloc( sizeof( studiohdr_t* ) * model_hdr->numseqgroups );
if( !anim_hdr )
{
fputs( "ERROR: Couldn't allocate memory for sequences.\n", stderr );
return false;
}
anim_hdr[0] = model_hdr;
if( model_hdr->numseqgroups > 1 )
{
Q_strcpy( seqgroupname, modelname );
for( i = 1; i < model_hdr->numseqgroups; i++ )
{
Q_sprintf( &seqgroupname[len], "%02d.mdl", i );
anim_hdr[i] = (studiohdr_t *)LoadFile( seqgroupname );
if( !anim_hdr[i] )
{
fprintf( stderr, "ERROR: Can't open sequence file %s\n", seqgroupname );
return false;
}
if( memcmp( &anim_hdr[i]->ident, id_seqhdr, sizeof( id_seqhdr ) ) )
{
fprintf( stderr, "ERROR: %s is not a valid sequence file.\n", seqgroupname );
return false;
}
}
}
COM_FileBase( modelname, modelfile );
SequenceNameFix();
BoneNameFix();
return true;
}
/*
============
ShowHelp
============
*/
static void ShowHelp( const char *app_name )
{
printf( "usage: %s source_file\n", app_name );
printf( " %s source_file target_directory\n", app_name );
}
int main( int argc, char *argv[] )
{
puts( "\nHalf-Life Studio Model Decompiler " APP_VERSION );
puts( "Copyright Flying With Gauss 2020 (c) " );
puts( "--------------------------------------------------" );
if( argc == 1 )
{
ShowHelp( argv[0] );
goto end;
}
else if( argc == 3 )
{
if( Q_strlen( argv[2] ) > MAX_SYSPATH - 2 )
{
fputs( "ERROR: Destination path is too long.\n", stderr );
goto end;
}
Q_strcpy( destdir, argv[2] );
}
if( !LoadActivityList( argv[0] ) || !LoadMDL( argv[1] ) )
goto end;
WriteQCScript();
WriteSMD();
WriteTextures();
puts( "Done." );
end:
puts( "--------------------------------------------------" );
return 0;
}