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engine: mod_studio: implement loading sequence files on BE

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This commit is contained in:
Alibek Omarov
2026-04-24 23:31:33 +05:00
committed by a1batross
parent a4fdf19ad8
commit 8545ed5ccb
1 changed files with 47 additions and 41 deletions
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88
engine/common/mod_studio.c
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@@ -550,6 +550,38 @@ static void Mod_StudioCalcRotations( int boneused[], int numbones, const byte *p
}
static void Mod_SwapStudioSeqGroupAnims( studiohdr_t *phdr, mstudioseqdesc_t *pseq, byte *buf )
{
mstudioanim_t *panim = (mstudioanim_t *)( buf + pseq->animindex );
int numanims = pseq->numblends * phdr->numbones;
for( int j = 0; j < numanims; j++, panim++ )
{
le_struct_swap( mstudioanim_swap, panim );
for( int k = 0; k < 6; k++ )
{
if( panim->offset[k] == 0 )
continue;
mstudioanimvalue_t *panimvalue = (mstudioanimvalue_t *)((byte *)panim + panim->offset[k] );
int frames = pseq->numframes;
while( frames > 0 )
{
int valid = panimvalue->num.valid;
int total = panimvalue->num.total;
for( int l = 1; l <= valid; l++ )
panimvalue[l].value = LittleShort( panimvalue[l].value );
panimvalue += valid + 1;
frames -= total;
}
}
}
}
/*
====================
StudioGetAnim
@@ -558,17 +590,10 @@ StudioGetAnim
*/
void *R_StudioGetAnim( studiohdr_t *m_pStudioHeader, model_t *m_pSubModel, mstudioseqdesc_t *pseqdesc )
{
mstudioseqgroup_t *pseqgroup;
cache_user_t *paSequences;
fs_offset_t filesize;
byte *buf;
pseqgroup = (mstudioseqgroup_t *)((byte *)m_pStudioHeader + m_pStudioHeader->seqgroupindex) + pseqdesc->seqgroup;
if( pseqdesc->seqgroup == 0 )
return ((byte *)m_pStudioHeader + pseqdesc->animindex);
paSequences = (cache_user_t *)m_pSubModel->submodels;
cache_user_t *paSequences = (cache_user_t *)m_pSubModel->submodels;
if( paSequences == NULL )
{
paSequences = (cache_user_t *)Mem_Calloc( com_studiocache, MAXSTUDIOGROUPS * sizeof( cache_user_t ));
@@ -578,23 +603,31 @@ void *R_StudioGetAnim( studiohdr_t *m_pStudioHeader, model_t *m_pSubModel, mstud
// check for already loaded
if( !Mod_CacheCheck(( cache_user_t *)&( paSequences[pseqdesc->seqgroup] )))
{
string filepath, modelname, modelpath;
string modelname;
COM_FileBase( m_pSubModel->name, modelname, sizeof( modelname ));
string modelpath;
COM_ExtractFilePath( m_pSubModel->name, modelpath );
// NOTE: here we build real sub-animation filename because stupid user may rename model without recompile
string filepath;
Q_snprintf( filepath, sizeof( filepath ), "%s/%s%i%i.mdl", modelpath, modelname, pseqdesc->seqgroup / 10, pseqdesc->seqgroup % 10 );
buf = FS_LoadFile( filepath, &filesize, false );
if( !buf || !filesize ) Host_Error( "%s: can't load %s\n", __func__, filepath );
if( IDSEQGRPHEADER != *(uint *)buf ) Host_Error( "%s: %s is corrupted\n", __func__, filepath );
fs_offset_t filesize;
byte *buf = FS_LoadFile( filepath, &filesize, false );
if( !buf || !filesize )
Host_Error( "%s: can't load %s\n", __func__, filepath );
if( LittleLong( IDSEQGRPHEADER ) != *(uint *)buf )
Host_Error( "%s: %s is corrupted\n", __func__, filepath );
Con_Printf( "loading: %s\n", filepath );
paSequences[pseqdesc->seqgroup].data = Mem_Calloc( com_studiocache, filesize );
memcpy( paSequences[pseqdesc->seqgroup].data, buf, filesize );
Mem_Free( buf );
Mod_SwapStudioSeqGroupAnims( m_pStudioHeader, pseqdesc,
(byte *)paSequences[pseqdesc->seqgroup].data );
}
return ((byte *)paSequences[pseqdesc->seqgroup].data + pseqdesc->animindex);
@@ -1023,34 +1056,7 @@ static qboolean Mod_SwapStudioModel( const char *name, void *buffer, size_t buff
if( pseq->seqgroup != 0 )
continue;
mstudioanim_t *panim = (mstudioanim_t *)( mod_base + pseq->animindex );
int numanims = pseq->numblends * phdr->numbones;
for( int j = 0; j < numanims; j++, panim++ )
{
le_struct_swap( mstudioanim_swap, panim );
for( int k = 0; k < 6; k++ )
{
if( panim->offset[k] == 0 )
continue;
mstudioanimvalue_t *panimvalue = (mstudioanimvalue_t *)((byte *)panim + panim->offset[k] );
int frames = pseq->numframes;
while( frames > 0 )
{
int valid = panimvalue->num.valid;
int total = panimvalue->num.total;
for( int l = 1; l <= valid; l++ )
panimvalue[l].value = LittleShort( panimvalue[l].value );
panimvalue += valid + 1;
frames -= total;
}
}
}
Mod_SwapStudioSeqGroupAnims( phdr, pseq, mod_base );
}
for( int i = 0; i < phdr->numbodyparts; i++ )