xash3d-fwgs/engine/client/cl_custom.c

151 lines
3.6 KiB
C

/*
cl_custom.c - downloading custom resources
Copyright (C) 2018 Uncle Mike
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 "common.h"
#include "client.h"
#include "net_encode.h"
qboolean CL_CheckFile( sizebuf_t *msg, resource_t *pResource )
{
char filepath[MAX_QPATH];
switch( pResource->type )
{
case t_sound:
case t_model:
// built-in resources not needs to be downloaded
if( pResource->szFileName[0] == '*' )
return true;
break;
}
// resource was missed on server
if( pResource->nDownloadSize == -1 )
{
ClearBits( pResource->ucFlags, RES_FATALIFMISSING );
return true;
}
if( pResource->type == t_sound )
Q_snprintf( filepath, sizeof( filepath ), DEFAULT_SOUNDPATH "%s", pResource->szFileName );
else Q_strncpy( filepath, pResource->szFileName, sizeof( filepath ));
if( !COM_IsSafeFileToDownload( filepath ))
{
Con_Reportf( "refusing to download %s\n", filepath );
return true;
}
if( !cl_allow_download.value )
{
Con_Reportf( "Download refused, cl_allow_download is 0\n" );
return true;
}
if( cls.state == ca_active && !cl_download_ingame.value )
{
Con_Reportf( "In-game download refused...\n" );
return true;
}
// don't request downloads from local client it's silly
if( Host_IsLocalClient() || FS_FileExists( filepath, false ))
return true;
if( cls.demoplayback )
{
Con_Reportf( S_WARN "file %s missing during demo playback.\n", filepath );
return true;
}
if( cl.downloadUrl[0] )
{
HTTP_AddDownload( filepath, pResource->nDownloadSize, true );
host.downloadcount++;
return false;
}
MSG_BeginClientCmd( msg, clc_stringcmd );
MSG_WriteStringf( msg, "dlfile %s", filepath );
host.downloadcount++;
return false;
}
void CL_AddToResourceList( resource_t *pResource, resource_t *pList )
{
if( pResource->pPrev != NULL || pResource->pNext != NULL )
{
Con_Reportf( S_ERROR "Resource already linked\n" );
return;
}
if( pList->pPrev == NULL || pList->pNext == NULL )
Host_Error( "Resource list corrupted.\n" );
pResource->pPrev = pList->pPrev;
pResource->pNext = pList;
pList->pPrev->pNext = pResource;
pList->pPrev = pResource;
}
void CL_RemoveFromResourceList( resource_t *pResource )
{
if( pResource->pPrev == NULL || pResource->pNext == NULL )
Host_Error( "mislinked resource in CL_RemoveFromResourceList\n" );
if( pResource->pNext == pResource || pResource->pPrev == pResource )
Host_Error( "attempt to free last entry in list.\n" );
pResource->pPrev->pNext = pResource->pNext;
pResource->pNext->pPrev = pResource->pPrev;
pResource->pPrev = NULL;
pResource->pNext = NULL;
}
void CL_MoveToOnHandList( resource_t *pResource )
{
if( !pResource )
{
Con_Reportf( "Null resource passed to CL_MoveToOnHandList\n" );
return;
}
CL_RemoveFromResourceList( pResource );
CL_AddToResourceList( pResource, &cl.resourcesonhand );
}
void CL_ClearResourceList( resource_t *pList )
{
resource_t *p, *n;
for( p = pList->pNext; p != pList && p; p = n )
{
n = p->pNext;
CL_RemoveFromResourceList( p );
Mem_Free( p );
}
pList->pPrev = pList;
pList->pNext = pList;
}
void CL_ClearResourceLists( void )
{
CL_ClearResourceList( &cl.resourcesneeded );
CL_ClearResourceList( &cl.resourcesonhand );
}