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303 lines
6.5 KiB
303 lines
6.5 KiB
![]()
5 years ago
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/*
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mdldec.c - Half-Life Studio Model Decompiler
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Copyright (C) 2020 Andrey Akhmichin
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "const.h"
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#include "com_model.h"
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#include "crtlib.h"
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#include "studio.h"
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#include "qc.h"
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#include "smd.h"
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#include "texture.h"
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#include "utils.h"
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#include "version.h"
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char destdir[MAX_SYSPATH];
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char modelfile[MAX_SYSPATH];
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studiohdr_t *model_hdr;
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studiohdr_t *texture_hdr;
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studiohdr_t **anim_hdr;
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/*
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============
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SequenceNameFix
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============
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*/
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static void SequenceNameFix( void )
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{
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int i, j, counter;
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qboolean hasduplicates = false;
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mstudioseqdesc_t *seqdesc, *seqdesc1;
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for( i = 0; i < model_hdr->numseq; i++ )
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{
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seqdesc = (mstudioseqdesc_t *)( (byte *)model_hdr + model_hdr->seqindex ) + i;
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counter = 1;
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for( j = 0; j < model_hdr->numseq; j++ )
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{
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seqdesc1 = (mstudioseqdesc_t *)( (byte *)model_hdr + model_hdr->seqindex ) + j;
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if( j != i && !Q_strncmp( seqdesc1->label, seqdesc->label, sizeof( seqdesc1->label ) ) )
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Q_snprintf( seqdesc1->label, sizeof( seqdesc1->label ), "%s_%i", seqdesc1->label, ++counter );
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}
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if( counter > 1 )
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{
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printf( "WARNING: Sequence name \"%s\" is repeated %i times.\n", seqdesc->label, counter );
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Q_snprintf( seqdesc->label, sizeof( seqdesc->label ), "%s_1", seqdesc->label );
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hasduplicates = true;
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}
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}
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if( hasduplicates )
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puts( "WARNING: Added numeric suffix to repeated sequence name(s)." );
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}
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/*
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============
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BoneNameFix
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============
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*/
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static void BoneNameFix( void )
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{
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int i, counter = 0;
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mstudiobone_t *bone;
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for( i = 0; i < model_hdr->numbones; i++ )
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{
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bone = (mstudiobone_t *)( (byte *)model_hdr + model_hdr->boneindex ) + i;
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if( bone->name[0] == '\0' )
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Q_sprintf( bone->name, "MDLDEC_Bone%i", ++counter );
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}
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if( counter )
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printf( "WARNING: Gived name to %i unnamed bone(s).\n", counter );
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}
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/*
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============
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LoadMDL
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============
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*/
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static qboolean LoadMDL( const char *modelname )
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{
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int i;
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size_t len;
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char texturename[MAX_SYSPATH];
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char seqgroupname[MAX_SYSPATH];
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const char *ext;
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const char id_mdlhdr[] = {'I', 'D', 'S', 'T'};
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const char id_seqhdr[] = {'I', 'D', 'S', 'Q'};
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printf( "MDL: %s\n", modelname );
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len = Q_strlen( modelname );
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if( len > MAX_SYSPATH - 3 )
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{
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fputs( "ERROR: Source path is too long.\n", stderr );
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return false;
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}
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ext = COM_FileExtension( modelname );
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if( !ext )
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{
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fprintf( stderr, "ERROR: Source file does not have extension.\n" );
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return false;
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}
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if( Q_strcmp( ext, "mdl" ) )
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{
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fprintf( stderr, "ERROR: Only .mdl-files is supported.\n" );
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return false;
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}
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model_hdr = (studiohdr_t *)LoadFile( modelname );
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if( !model_hdr )
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{
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fprintf( stderr, "ERROR: Can't open %s\n", modelname );
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return false;
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}
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if( memcmp( &model_hdr->ident, id_mdlhdr, sizeof( id_mdlhdr ) ) )
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{
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if( !memcmp( &model_hdr->ident, id_seqhdr, sizeof( id_seqhdr ) ) )
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fprintf( stderr, "ERROR: %s is not a main HL model file.\n", modelname );
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else
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fprintf( stderr, "ERROR: %s is not a valid HL model file.\n", modelname );
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return false;
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}
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if( model_hdr->version != STUDIO_VERSION )
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{
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fprintf( stderr, "ERROR: %s has unknown Studio MDL format version.\n", modelname );
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return false;
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}
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if( !model_hdr->numbodyparts )
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{
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fprintf( stderr, "ERROR: %s is not a main HL model file.\n", modelname );
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return false;
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}
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if( destdir[0] != '\0' )
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{
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if( !IsFileExists( destdir ) )
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{
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fprintf( stderr, "ERROR: Couldn't find directory %s\n", destdir );
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return false;
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}
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COM_PathSlashFix( destdir );
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}
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else
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COM_ExtractFilePath( modelname, destdir );
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len -= 4; // path length without extension
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if( !model_hdr->numtextures )
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{
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Q_strcpy( texturename, modelname );
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Q_strcpy( &texturename[len], "t.mdl" );
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texture_hdr = (studiohdr_t *)LoadFile( texturename );
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if( !texture_hdr )
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{
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#if !XASH_WIN32
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// dirty hack for casesensetive filesystems
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texturename[len] = 'T';
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texture_hdr = (studiohdr_t *)LoadFile( texturename );
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if( !texture_hdr )
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#endif
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{
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fprintf( stderr, "ERROR: Can't open external textures file %s\n", texturename );
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return false;
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}
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}
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if( memcmp( &texture_hdr->ident, id_mdlhdr, sizeof( id_mdlhdr ) ) )
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{
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fprintf( stderr, "ERROR: %s is not a valid external textures file.\n", texturename );
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return false;
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}
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}
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else
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texture_hdr = model_hdr;
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anim_hdr = malloc( sizeof( studiohdr_t* ) * model_hdr->numseqgroups );
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if( !anim_hdr )
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{
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fputs( "ERROR: Couldn't allocate memory for sequences.\n", stderr );
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return false;
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}
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anim_hdr[0] = model_hdr;
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if( model_hdr->numseqgroups > 1 )
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{
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Q_strcpy( seqgroupname, modelname );
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for( i = 1; i < model_hdr->numseqgroups; i++ )
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{
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Q_sprintf( &seqgroupname[len], "%02d.mdl", i );
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anim_hdr[i] = (studiohdr_t *)LoadFile( seqgroupname );
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if( !anim_hdr[i] )
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{
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fprintf( stderr, "ERROR: Can't open sequence file %s\n", seqgroupname );
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return false;
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}
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if( memcmp( &anim_hdr[i]->ident, id_seqhdr, sizeof( id_seqhdr ) ) )
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{
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fprintf( stderr, "ERROR: %s is not a valid sequence file.\n", seqgroupname );
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return false;
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}
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}
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}
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COM_FileBase( modelname, modelfile );
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SequenceNameFix();
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BoneNameFix();
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return true;
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}
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/*
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============
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ShowHelp
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============
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*/
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static void ShowHelp( const char *app_name )
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{
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printf( "usage: %s source_file\n", app_name );
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printf( " %s source_file target_directory\n", app_name );
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}
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int main( int argc, char *argv[] )
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{
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puts( "\nHalf-Life Studio Model Decompiler " APP_VERSION );
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puts( "Copyright Flying With Gauss 2020 (c) " );
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puts( "--------------------------------------------------" );
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if( argc == 1 )
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{
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ShowHelp( argv[0] );
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goto end;
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}
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else if( argc == 3 )
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{
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if( Q_strlen( argv[2] ) > MAX_SYSPATH - 1 )
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{
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fputs( "ERROR: Destination path is too long.\n", stderr );
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goto end;
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}
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Q_strcpy( destdir, argv[2] );
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}
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if( !LoadActivityList( argv[0] ) || !LoadMDL( argv[1] ) )
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goto end;
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WriteQCScript();
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WriteSMD();
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WriteTextures();
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puts( "Done." );
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end:
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puts( "--------------------------------------------------" );
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return 0;
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}
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