/*
==================
MSG_ReadWeaponData
Read the clientdata
==================
*/
void MSG_ReadWeaponData( sizebuf_t *msg, weapon_data_t *from, weapon_data_t *to, float timebase )
{
delta_t *pField;
delta_info_t *dt;
int i;
dt = Delta_FindStruct( "weapon_data_t" );
ASSERT( dt && dt->bInitialized );
pField = dt->pFields;
ASSERT( pField );
*to = *from;
// process fields
for( i = 0; i < dt->numFields; i++, pField++ )
{
Delta_ReadField( msg, pField, from, to, timebase );
}
}
void MSG_ReadDeltaMovevars( sizebuf_t *msg, movevars_t *from, movevars_t *to )
{
delta_t *pField;
delta_info_t *dt;
int i;
dt = Delta_FindStruct( "movevars_t" );
ASSERT( dt && dt->bInitialized );
pField = dt->pFields;
ASSERT( pField );
*to = *from;
// process fields
for( i = 0; i < dt->numFields; i++, pField++ )
{
Delta_ReadField( msg, pField, from, to, 0.0f );
}
}
/*
==================
MSG_ReadClientData
Read the clientdata
==================
*/
void MSG_ReadClientData( sizebuf_t *msg, clientdata_t *from, clientdata_t *to, float timebase )
{
delta_t *pField;
delta_info_t *dt;
int i;
dt = Delta_FindStruct( "clientdata_t" );
if( !dt || !dt->bInitialized )
{
Host_Error( "MSG_ReadClientData: delta not initialized!\n" );
}
pField = dt->pFields;
ASSERT( pField );
*to = *from;
// process fields
for( i = 0; i < dt->numFields; i++, pField++ )
{
Delta_ReadField( msg, pField, from, to, timebase );
}
}
/*
=====================
MSG_ReadDeltaEvent
=====================
*/
void MSG_ReadDeltaEvent( sizebuf_t *msg, event_args_t *from, event_args_t *to )
{
delta_t *pField;
delta_info_t *dt;
int i;
dt = Delta_FindStruct( "event_t" );
if( !dt || !dt->bInitialized )
{
Host_Error( "MSG_ReadDeltaEvent: delta not initialized!\n" );
}
pField = dt->pFields;
ASSERT( pField );
*to = *from;
// process fields
for( i = 0; i < dt->numFields; i++, pField++ )
{
Delta_ReadField( msg, pField, from, to, 0.0f );
}
}
/*
==================
MSG_ReadDeltaEntity
The entity number has already been read from the message, which
is how the from state is identified.
If the delta removes the entity, entity_state_t->number will be set to MAX_EDICTS
Can go from either a baseline or a previous packet_entity
==================
*/
qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, entity_state_t *from, entity_state_t *to, int number, qboolean player, float timebase )
{
delta_info_t *dt = NULL;
delta_t *pField;
int i, fRemoveType;
#ifndef XASH_DEDICATED
if( number < 0 || number >= clgame.maxEntities )
{
// broken packet, try to skip it
MsgDev( D_ERROR, "MSG_ReadDeltaEntity: bad delta entity number: %i\n", number );
return false;
}
*to = *from;
to->number = number;
fRemoveType = BF_ReadUBitLong( msg, 2 );
if( fRemoveType )
{
// check for a remove
Q_memset( to, 0, sizeof( *to ));
if( fRemoveType & 1 )
{
// removed from delta-message
return false;
}
if( fRemoveType & 2 )
{
// entity was removed from server
to->number = -1;
return false;
}
MsgDev( D_ERROR, "MSG_ReadDeltaEntity: unknown update type %i\n", fRemoveType );
return false;
}
if( BF_ReadOneBit( msg ))
to->entityType = BF_ReadUBitLong( msg, 2 );
if( to->entityType == ENTITY_BEAM )
{
dt = Delta_FindStruct( "custom_entity_state_t" );
}
else // ENTITY_NORMAL or other (try predict type)
{
/* Omit connection drop on wromg data from server.
* I know that it is very dirty,
* but i don't know how to do it better.*/
if( to->entityType != ENTITY_NORMAL )
MsgDev( D_NOTE, "MSG_ReadDeltaEntity: broken delta: entityType = %d\n", to->entityType );
if( player )
{
dt = Delta_FindStruct( "entity_state_player_t" );
}
else
{
dt = Delta_FindStruct( "entity_state_t" );
}
}
if( !(dt && dt->bInitialized) ) // Broken delta?
{
MsgDev( D_ERROR, "MSG_ReadDeltaEntity: broken delta\n");
return true;
}
pField = dt->pFields;
ASSERT( pField );
// process fields
for( i = 0; i < dt->numFields; i++, pField++ )
{
Delta_ReadField( msg, pField, from, to, timebase );
}
#endif
// message parsed
return true;
}
/*
==================
MSG_ReadDeltaEntity
The entity number has already been read from the message, which
is how the from state is identified.
If the delta removes the entity, entity_state_t->number will be set to MAX_EDICTS
Can go from either a baseline or a previous packet_entity
==================
*/
qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, entity_state_t *from, entity_state_t *to, int number, qboolean player, float timebase )
{
delta_info_t *dt = NULL;
delta_t *pField;
int i, fRemoveType;
#ifndef _DEDICATED
if( number < 0 || number >= clgame.maxEntities )
Host_Error( "MSG_ReadDeltaEntity: bad delta entity number: %i\n", number );
#endif
*to = *from;
to->number = number;
fRemoveType = BF_ReadUBitLong( msg, 2 );
if( fRemoveType )
{
// check for a remove
Q_memset( to, 0, sizeof( *to ));
if( fRemoveType & 1 )
{
// removed from delta-message
return false;
}
if( fRemoveType & 2 )
{
// entity was removed from server
to->number = -1;
return false;
}
Host_Error( "MSG_ReadDeltaEntity: unknown update type %i\n", fRemoveType );
}
if( BF_ReadOneBit( msg ))
to->entityType = BF_ReadUBitLong( msg, 2 );
if( to->entityType == ENTITY_NORMAL )
{
if( player )
{
dt = Delta_FindStruct( "entity_state_player_t" );
}
else
{
dt = Delta_FindStruct( "entity_state_t" );
}
}
else if( to->entityType == ENTITY_BEAM )
{
dt = Delta_FindStruct( "custom_entity_state_t" );
}
ASSERT( dt && dt->bInitialized );
pField = dt->pFields;
ASSERT( pField );
// process fields
for( i = 0; i < dt->numFields; i++, pField++ )
{
Delta_ReadField( msg, pField, from, to, timebase );
}
// message parsed
return true;
}