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engine: common: net_encode: directly access delta description struct than searching for it every time

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This commit is contained in:
Alibek Omarov 2023-06-27 19:56:30 +03:00
parent 82addf11bb
commit f5b9826fd9
3 changed files with 98 additions and 96 deletions
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167
engine/common/net_encode.c
View File

@ -315,16 +315,28 @@ static const delta_field_t ent_fields[] =
{ NULL },
};
enum
{
DT_EVENT_T = 0,
DT_MOVEVARS_T,
DT_USERCMD_T,
DT_CLIENTDATA_T,
DT_WEAPONDATA_T,
DT_ENTITY_STATE_T,
DT_ENTITY_STATE_PLAYER_T,
DT_CUSTOM_ENTITY_STATE_T,
};
static delta_info_t dt_info[] =
{
{ "event_t", ev_fields, NUM_FIELDS( ev_fields ) },
{ "movevars_t", pm_fields, NUM_FIELDS( pm_fields ) },
{ "usercmd_t", cmd_fields, NUM_FIELDS( cmd_fields ) },
{ "clientdata_t", cd_fields, NUM_FIELDS( cd_fields ) },
{ "weapon_data_t", wd_fields, NUM_FIELDS( wd_fields ) },
{ "entity_state_t", ent_fields, NUM_FIELDS( ent_fields ) },
{ "entity_state_player_t", ent_fields, NUM_FIELDS( ent_fields ) },
{ "custom_entity_state_t", ent_fields, NUM_FIELDS( ent_fields ) },
[DT_EVENT_T] = { "event_t", ev_fields, NUM_FIELDS( ev_fields ) },
[DT_MOVEVARS_T] = { "movevars_t", pm_fields, NUM_FIELDS( pm_fields ) },
[DT_USERCMD_T] = { "usercmd_t", cmd_fields, NUM_FIELDS( cmd_fields ) },
[DT_CLIENTDATA_T] = { "clientdata_t", cd_fields, NUM_FIELDS( cd_fields ) },
[DT_WEAPONDATA_T] = { "weapon_data_t", wd_fields, NUM_FIELDS( wd_fields ) },
[DT_ENTITY_STATE_T] = { "entity_state_t", ent_fields, NUM_FIELDS( ent_fields ) },
[DT_ENTITY_STATE_PLAYER_T] = { "entity_state_player_t", ent_fields, NUM_FIELDS( ent_fields ) },
[DT_CUSTOM_ENTITY_STATE_T] = { "custom_entity_state_t", ent_fields, NUM_FIELDS( ent_fields ) },
{ NULL },
};
@ -347,16 +359,13 @@ static delta_info_t *Delta_FindStruct( const char *name )
return NULL;
}
int Delta_NumTables( void )
static int Delta_NumTables( void )
{
return NUM_FIELDS( dt_info );
}
delta_info_t *Delta_FindStructByIndex( int index )
static delta_info_t *Delta_FindStructByIndex( int index )
{
if( index < 0 || index >= NUM_FIELDS( dt_info ))
return NULL;
return &dt_info[index];
}
@ -435,17 +444,12 @@ static int Delta_IndexForFieldInfo( const delta_field_t *pInfo, const char *fiel
return -1;
}
static qboolean Delta_AddField( const char *pStructName, const char *pName, int flags, int bits, float mul, float post_mul )
static qboolean Delta_AddField( delta_info_t *dt, const char *pName, int flags, int bits, float mul, float post_mul )
{
delta_info_t *dt;
delta_field_t *pFieldInfo;
delta_t *pField;
int i;
// get the delta struct
dt = Delta_FindStruct( pStructName );
Assert( dt != NULL );
// check for coexisting field
for( i = 0, pField = dt->pFields; i < dt->numFields; i++, pField++ )
{
@ -464,13 +468,13 @@ static qboolean Delta_AddField( const char *pStructName, const char *pName, int
pFieldInfo = Delta_FindFieldInfo( dt->pInfo, pName );
if( !pFieldInfo )
{
Con_DPrintf( S_ERROR "Delta_Add: couldn't find description for %s->%s\n", pStructName, pName );
Con_DPrintf( S_ERROR "Delta_Add: couldn't find description for %s->%s\n", dt->pName, pName );
return false;
}
if( dt->numFields + 1 > dt->maxFields )
{
Con_DPrintf( S_WARN "Delta_Add: can't add %s->%s encoder list is full\n", pStructName, pName );
Con_DPrintf( S_WARN "Delta_Add: can't add %s->%s encoder list is full\n", dt->pName, pName );
return false; // too many fields specified (duplicated ?)
}
@ -491,7 +495,7 @@ static qboolean Delta_AddField( const char *pStructName, const char *pName, int
return true;
}
void Delta_WriteTableField( sizebuf_t *msg, int tableIndex, const delta_t *pField )
static void Delta_WriteTableField( sizebuf_t *msg, int tableIndex, const delta_t *pField )
{
int nameIndex;
delta_info_t *dt;
@ -572,7 +576,7 @@ void Delta_ParseTableField( sizebuf_t *msg )
Delta_Shutdown();
// add field to table
Delta_AddField( dt->pName, pName, flags, bits, mul, post_mul );
Delta_AddField( dt, pName, flags, bits, mul, post_mul );
}
static qboolean Delta_ParseField( char **delta_script, const delta_field_t *pInfo, delta_t *pField, qboolean bPost )
@ -820,43 +824,43 @@ void Delta_Init( void )
Delta_InitFields (); // initialize fields
delta_init = true;
dt = Delta_FindStruct( "movevars_t" );
dt = Delta_FindStructByIndex( DT_MOVEVARS_T );
Assert( dt != NULL );
if( dt->bInitialized ) return; // "movevars_t" already specified by user
// create movevars_t delta internal
Delta_AddField( "movevars_t", "gravity", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "stopspeed", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "maxspeed", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "spectatormaxspeed", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "accelerate", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "airaccelerate", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "wateraccelerate", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "friction", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "edgefriction", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "waterfriction", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "bounce", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "stepsize", DT_FLOAT|DT_SIGNED, 16, 16.0f, 1.0f );
Delta_AddField( "movevars_t", "maxvelocity", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "gravity", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "stopspeed", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "maxspeed", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "spectatormaxspeed", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "accelerate", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "airaccelerate", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "wateraccelerate", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "friction", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "edgefriction", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "waterfriction", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "bounce", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "stepsize", DT_FLOAT|DT_SIGNED, 16, 16.0f, 1.0f );
Delta_AddField( dt, "maxvelocity", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
if( FBitSet( host.features, ENGINE_WRITE_LARGE_COORD ))
Delta_AddField( "movevars_t", "zmax", DT_FLOAT|DT_SIGNED, 18, 1.0f, 1.0f );
else Delta_AddField( "movevars_t", "zmax", DT_FLOAT|DT_SIGNED, 16, 1.0f, 1.0f );
Delta_AddField( dt, "zmax", DT_FLOAT|DT_SIGNED, 18, 1.0f, 1.0f );
else Delta_AddField( dt, "zmax", DT_FLOAT|DT_SIGNED, 16, 1.0f, 1.0f );
Delta_AddField( "movevars_t", "waveHeight", DT_FLOAT|DT_SIGNED, 16, 16.0f, 1.0f );
Delta_AddField( "movevars_t", "skyName", DT_STRING, 1, 1.0f, 1.0f );
Delta_AddField( "movevars_t", "footsteps", DT_INTEGER, 1, 1.0f, 1.0f );
Delta_AddField( "movevars_t", "rollangle", DT_FLOAT|DT_SIGNED, 16, 32.0f, 1.0f );
Delta_AddField( "movevars_t", "rollspeed", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( "movevars_t", "skycolor_r", DT_FLOAT|DT_SIGNED, 16, 1.0f, 1.0f ); // 0 - 264
Delta_AddField( "movevars_t", "skycolor_g", DT_FLOAT|DT_SIGNED, 16, 1.0f, 1.0f );
Delta_AddField( "movevars_t", "skycolor_b", DT_FLOAT|DT_SIGNED, 16, 1.0f, 1.0f );
Delta_AddField( "movevars_t", "skyvec_x", DT_FLOAT|DT_SIGNED, 16, 32.0f, 1.0f ); // 0 - 1
Delta_AddField( "movevars_t", "skyvec_y", DT_FLOAT|DT_SIGNED, 16, 32.0f, 1.0f );
Delta_AddField( "movevars_t", "skyvec_z", DT_FLOAT|DT_SIGNED, 16, 32.0f, 1.0f );
Delta_AddField( "movevars_t", "wateralpha", DT_FLOAT|DT_SIGNED, 16, 32.0f, 1.0f );
Delta_AddField( "movevars_t", "fog_settings", DT_INTEGER, 32, 1.0f, 1.0f );
Delta_AddField( dt, "waveHeight", DT_FLOAT|DT_SIGNED, 16, 16.0f, 1.0f );
Delta_AddField( dt, "skyName", DT_STRING, 1, 1.0f, 1.0f );
Delta_AddField( dt, "footsteps", DT_INTEGER, 1, 1.0f, 1.0f );
Delta_AddField( dt, "rollangle", DT_FLOAT|DT_SIGNED, 16, 32.0f, 1.0f );
Delta_AddField( dt, "rollspeed", DT_FLOAT|DT_SIGNED, 16, 8.0f, 1.0f );
Delta_AddField( dt, "skycolor_r", DT_FLOAT|DT_SIGNED, 16, 1.0f, 1.0f ); // 0 - 264
Delta_AddField( dt, "skycolor_g", DT_FLOAT|DT_SIGNED, 16, 1.0f, 1.0f );
Delta_AddField( dt, "skycolor_b", DT_FLOAT|DT_SIGNED, 16, 1.0f, 1.0f );
Delta_AddField( dt, "skyvec_x", DT_FLOAT|DT_SIGNED, 16, 32.0f, 1.0f ); // 0 - 1
Delta_AddField( dt, "skyvec_y", DT_FLOAT|DT_SIGNED, 16, 32.0f, 1.0f );
Delta_AddField( dt, "skyvec_z", DT_FLOAT|DT_SIGNED, 16, 32.0f, 1.0f );
Delta_AddField( dt, "wateralpha", DT_FLOAT|DT_SIGNED, 16, 32.0f, 1.0f );
Delta_AddField( dt, "fog_settings", DT_INTEGER, 32, 1.0f, 1.0f );
dt->numFields = NUM_FIELDS( pm_fields ) - 4;
// now done
@ -1001,10 +1005,10 @@ int Delta_TestBaseline( entity_state_t *from, entity_state_t *to, qboolean playe
}
if( FBitSet( to->entityType, ENTITY_BEAM ))
dt = Delta_FindStruct( "custom_entity_state_t" );
dt = Delta_FindStructByIndex( DT_CUSTOM_ENTITY_STATE_T );
else if( player )
dt = Delta_FindStruct( "entity_state_player_t" );
else dt = Delta_FindStruct( "entity_state_t" );
dt = Delta_FindStructByIndex( DT_ENTITY_STATE_PLAYER_T );
else dt = Delta_FindStructByIndex( DT_ENTITY_STATE_T );
Assert( dt && dt->bInitialized );
@ -1308,7 +1312,7 @@ void MSG_WriteDeltaUsercmd( sizebuf_t *msg, usercmd_t *from, usercmd_t *to )
delta_info_t *dt;
int i;
dt = Delta_FindStruct( "usercmd_t" );
dt = Delta_FindStructByIndex( DT_USERCMD_T );
Assert( dt && dt->bInitialized );
pField = dt->pFields;
@ -1335,7 +1339,7 @@ void MSG_ReadDeltaUsercmd( sizebuf_t *msg, usercmd_t *from, usercmd_t *to )
delta_info_t *dt;
int i;
dt = Delta_FindStruct( "usercmd_t" );
dt = Delta_FindStructByIndex( DT_USERCMD_T );
Assert( dt && dt->bInitialized );
pField = dt->pFields;
@ -1370,7 +1374,7 @@ void MSG_WriteDeltaEvent( sizebuf_t *msg, event_args_t *from, event_args_t *to )
delta_info_t *dt;
int i;
dt = Delta_FindStruct( "event_t" );
dt = Delta_FindStructByIndex( DT_EVENT_T );
Assert( dt && dt->bInitialized );
pField = dt->pFields;
@ -1397,7 +1401,7 @@ void MSG_ReadDeltaEvent( sizebuf_t *msg, event_args_t *from, event_args_t *to )
delta_info_t *dt;
int i;
dt = Delta_FindStruct( "event_t" );
dt = Delta_FindStructByIndex( DT_EVENT_T );
Assert( dt && dt->bInitialized );
pField = dt->pFields;
@ -1426,7 +1430,7 @@ qboolean MSG_WriteDeltaMovevars( sizebuf_t *msg, movevars_t *from, movevars_t *t
int i, startBit;
int numChanges = 0;
dt = Delta_FindStruct( "movevars_t" );
dt = Delta_FindStructByIndex( DT_MOVEVARS_T );
Assert( dt && dt->bInitialized );
pField = dt->pFields;
@ -1461,7 +1465,7 @@ void MSG_ReadDeltaMovevars( sizebuf_t *msg, movevars_t *from, movevars_t *to )
delta_info_t *dt;
int i;
dt = Delta_FindStruct( "movevars_t" );
dt = Delta_FindStructByIndex( DT_MOVEVARS_T );
Assert( dt && dt->bInitialized );
pField = dt->pFields;
@ -1498,7 +1502,7 @@ void MSG_WriteClientData( sizebuf_t *msg, clientdata_t *from, clientdata_t *to,
int i, startBit;
int numChanges = 0;
dt = Delta_FindStruct( "clientdata_t" );
dt = Delta_FindStructByIndex( DT_CLIENTDATA_T );
Assert( dt && dt->bInitialized );
pField = dt->pFields;
@ -1539,7 +1543,7 @@ void MSG_ReadClientData( sizebuf_t *msg, clientdata_t *from, clientdata_t *to, d
int i;
qboolean noChanges;
dt = Delta_FindStruct( "clientdata_t" );
dt = Delta_FindStructByIndex( DT_CLIENTDATA_T );
Assert( dt && dt->bInitialized );
pField = dt->pFields;
@ -1579,7 +1583,7 @@ void MSG_WriteWeaponData( sizebuf_t *msg, weapon_data_t *from, weapon_data_t *to
int i, startBit;
int numChanges = 0;
dt = Delta_FindStruct( "weapon_data_t" );
dt = Delta_FindStructByIndex( DT_WEAPONDATA_T );
Assert( dt && dt->bInitialized );
pField = dt->pFields;
@ -1617,7 +1621,7 @@ void MSG_ReadWeaponData( sizebuf_t *msg, weapon_data_t *from, weapon_data_t *to,
delta_info_t *dt;
int i;
dt = Delta_FindStruct( "weapon_data_t" );
dt = Delta_FindStructByIndex( DT_WEAPONDATA_T );
Assert( dt && dt->bInitialized );
pField = dt->pFields;
@ -1700,15 +1704,15 @@ void MSG_WriteDeltaEntity( entity_state_t *from, entity_state_t *to, sizebuf_t *
if( FBitSet( to->entityType, ENTITY_BEAM ))
{
dt = Delta_FindStruct( "custom_entity_state_t" );
dt = Delta_FindStructByIndex( DT_CUSTOM_ENTITY_STATE_T );
}
else if( delta_type == DELTA_PLAYER )
{
dt = Delta_FindStruct( "entity_state_player_t" );
dt = Delta_FindStructByIndex( DT_ENTITY_STATE_PLAYER_T );
}
else
{
dt = Delta_FindStruct( "entity_state_t" );
dt = Delta_FindStructByIndex( DT_ENTITY_STATE_T );
}
Assert( dt && dt->bInitialized );
@ -1818,15 +1822,15 @@ qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, entity_state_t *from, entity_state
if( cls.legacymode ? ( to->entityType == ENTITY_BEAM ) : FBitSet( to->entityType, ENTITY_BEAM ))
{
dt = Delta_FindStruct( "custom_entity_state_t" );
dt = Delta_FindStructByIndex( DT_CUSTOM_ENTITY_STATE_T );
}
else if( delta_type == DELTA_PLAYER )
{
dt = Delta_FindStruct( "entity_state_player_t" );
dt = Delta_FindStructByIndex( DT_ENTITY_STATE_PLAYER_T );
}
else
{
dt = Delta_FindStruct( "entity_state_t" );
dt = Delta_FindStructByIndex( DT_ENTITY_STATE_T );
}
Assert( dt && dt->bInitialized );
@ -1844,6 +1848,27 @@ qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, entity_state_t *from, entity_state
return true;
}
/*
==================
Delta_WriteDescriptionToClient
send delta communication encoding
==================
*/
void Delta_WriteDescriptionToClient( sizebuf_t *msg )
{
int tableIndex;
int fieldIndex;
for( tableIndex = 0; tableIndex < Delta_NumTables(); tableIndex++ )
{
delta_info_t *dt = Delta_FindStructByIndex( tableIndex );
for( fieldIndex = 0; fieldIndex < dt->numFields; fieldIndex++ )
Delta_WriteTableField( msg, tableIndex, &dt->pFields[fieldIndex] );
}
}
/*
=============================================================================

4
engine/common/net_encode.h
View File

@ -77,8 +77,6 @@ typedef struct
void Delta_Init( void );
void Delta_InitClient( void );
void Delta_Shutdown( void );
int Delta_NumTables( void );
delta_info_t *Delta_FindStructByIndex( int index );
void Delta_AddEncoder( char *name, pfnDeltaEncode encodeFunc );
int Delta_FindField( delta_t *pFields, const char *fieldname );
void Delta_SetField( delta_t *pFields, const char *fieldname );
@ -87,7 +85,7 @@ void Delta_SetFieldByIndex( delta_t *pFields, int fieldNumber );
void Delta_UnsetFieldByIndex( delta_t *pFields, int fieldNumber );
// send table over network
void Delta_WriteTableField( sizebuf_t *msg, int tableIndex, const delta_t *pField );
void Delta_WriteDescriptionToClient( sizebuf_t *msg );
void Delta_ParseTableField( sizebuf_t *msg );

23
engine/server/sv_client.c
View File

@ -1567,27 +1567,6 @@ void SV_BuildReconnect( sizebuf_t *msg )
MSG_WriteString( msg, "reconnect\n" );
}
/*
==================
SV_WriteDeltaDescriptionToClient
send delta communication encoding
==================
*/
void SV_WriteDeltaDescriptionToClient( sizebuf_t *msg )
{
int tableIndex;
int fieldIndex;
for( tableIndex = 0; tableIndex < Delta_NumTables(); tableIndex++ )
{
delta_info_t *dt = Delta_FindStructByIndex( tableIndex );
for( fieldIndex = 0; fieldIndex < dt->numFields; fieldIndex++ )
Delta_WriteTableField( msg, tableIndex, &dt->pFields[fieldIndex] );
}
}
/*
================
SV_SendServerdata
@ -1632,7 +1611,7 @@ void SV_SendServerdata( sizebuf_t *msg, sv_client_t *cl )
}
// send delta-encoding
SV_WriteDeltaDescriptionToClient( msg );
Delta_WriteDescriptionToClient( msg );
// now client know delta and can reading encoded messages
SV_FullUpdateMovevars( cl, msg );