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engine: common: add GoldSrc delta support

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This commit is contained in:
Alibek Omarov
2024-10-07 19:34:47 +03:00
parent d128997d40
commit ba7c789ec9
2 changed files with 206 additions and 37 deletions
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32
engine/common/net_encode.h
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@@ -33,6 +33,23 @@ enum
DELTA_STATIC,
};
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,
DT_GOLDSRC_DELTA_T,
#if XASH_ENGINE_TESTS
DT_DELTA_TEST_STRUCT_T,
#endif
DT_STRUCT_COUNT
};
// struct info (filled by engine)
typedef struct
{
@@ -54,6 +71,17 @@ struct delta_s
qboolean bInactive; // unsetted by user request
};
typedef struct goldsrc_delta_s
{
int fieldType;
char fieldName[32];
int fieldOffset;
short fieldSize;
int significant_bits;
float premultiply;
float postmultiply;
} goldsrc_delta_t;
typedef void (*pfnDeltaEncode)( struct delta_s *pFields, const byte *from, const byte *to );
typedef struct
@@ -76,6 +104,7 @@ typedef struct
//
void Delta_Init( void );
void Delta_InitClient( void );
void Delta_InitMeta( void );
void Delta_Shutdown( void );
void Delta_AddEncoder( char *name, pfnDeltaEncode encodeFunc );
int Delta_FindField( delta_t *pFields, const char *fieldname );
@@ -87,6 +116,7 @@ void Delta_UnsetFieldByIndex( delta_t *pFields, int fieldNumber );
// send table over network
void Delta_WriteDescriptionToClient( sizebuf_t *msg );
void Delta_ParseTableField( sizebuf_t *msg );
void Delta_ParseTableField_GS( sizebuf_t *msg );
// encode routines
@@ -109,5 +139,7 @@ void MSG_ReadWeaponData( sizebuf_t *msg, const struct weapon_data_s *from, struc
void MSG_WriteDeltaEntity( const struct entity_state_s *from, const struct entity_state_s *to, sizebuf_t *msg, qboolean force, int type, double timebase, int ofs );
qboolean MSG_ReadDeltaEntity( sizebuf_t *msg, const struct entity_state_s *from, struct entity_state_s *to, int num, int type, double timebase );
int Delta_TestBaseline( const struct entity_state_s *from, const struct entity_state_s *to, qboolean player, double timebase );
void Delta_ReadGSFields( sizebuf_t *msg, int index, const void *from, void *to, double timebase );
void Delta_WriteGSFields( sizebuf_t *msg, int index, const void *from, const void *to, double timebase );
#endif//NET_ENCODE_H