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halflife-sdk/engine/eiface.h
archive 4ec16cce0e as released 2001-11-08
2001-11-08 00:00:00 +00:00

490 lines
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/***
*
* Copyright (c) 1996-2001, Valve LLC. All rights reserved.
*
* This product contains software technology licensed from Id
* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
* All Rights Reserved.
*
* Use, distribution, and modification of this source code and/or resulting
* object code is restricted to non-commercial enhancements to products from
* Valve LLC. All other use, distribution, or modification is prohibited
* without written permission from Valve LLC.
*
****/
#ifndef EIFACE_H
#define EIFACE_H
#ifdef HLDEMO_BUILD
#define INTERFACE_VERSION 001
#else // !HLDEMO_BUILD, i.e., regular version of HL
#define INTERFACE_VERSION 140
#endif // !HLDEMO_BUILD
#include <stdio.h>
#include "custom.h"
#include "cvardef.h"
//
// Defines entity interface between engine and DLLs.
// This header file included by engine files and DLL files.
//
// Before including this header, DLLs must:
// include progdefs.h
// This is conveniently done for them in extdll.h
//
#ifdef _WIN32
#define DLLEXPORT __stdcall
#else
#define DLLEXPORT /* */
#endif
typedef enum
{
at_notice,
at_console, // same as at_notice, but forces a ConPrintf, not a message box
at_aiconsole, // same as at_console, but only shown if developer level is 2!
at_warning,
at_error,
at_logged // Server print to console ( only in multiplayer games ).
} ALERT_TYPE;
// 4-22-98 JOHN: added for use in pfnClientPrintf
typedef enum
{
print_console,
print_center,
print_chat,
} PRINT_TYPE;
// For integrity checking of content on clients
typedef enum
{
force_exactfile, // File on client must exactly match server's file
force_model_samebounds, // For model files only, the geometry must fit in the same bbox
force_model_specifybounds, // For model files only, the geometry must fit in the specified bbox
} FORCE_TYPE;
// Returned by TraceLine
typedef struct
{
int fAllSolid; // if true, plane is not valid
int fStartSolid; // if true, the initial point was in a solid area
int fInOpen;
int fInWater;
float flFraction; // time completed, 1.0 = didn't hit anything
vec3_t vecEndPos; // final position
float flPlaneDist;
vec3_t vecPlaneNormal; // surface normal at impact
edict_t *pHit; // entity the surface is on
int iHitgroup; // 0 == generic, non zero is specific body part
} TraceResult;
// CD audio status
typedef struct
{
int fPlaying;// is sound playing right now?
int fWasPlaying;// if not, CD is paused if WasPlaying is true.
int fInitialized;
int fEnabled;
int fPlayLooping;
float cdvolume;
//BYTE remap[100];
int fCDRom;
int fPlayTrack;
} CDStatus;
#include "../common/crc.h"
// Engine hands this to DLLs for functionality callbacks
typedef struct enginefuncs_s
{
int (*pfnPrecacheModel) (char* s);
int (*pfnPrecacheSound) (char* s);
void (*pfnSetModel) (edict_t *e, const char *m);
int (*pfnModelIndex) (const char *m);
int (*pfnModelFrames) (int modelIndex);
void (*pfnSetSize) (edict_t *e, const float *rgflMin, const float *rgflMax);
void (*pfnChangeLevel) (char* s1, char* s2);
void (*pfnGetSpawnParms) (edict_t *ent);
void (*pfnSaveSpawnParms) (edict_t *ent);
float (*pfnVecToYaw) (const float *rgflVector);
void (*pfnVecToAngles) (const float *rgflVectorIn, float *rgflVectorOut);
void (*pfnMoveToOrigin) (edict_t *ent, const float *pflGoal, float dist, int iMoveType);
void (*pfnChangeYaw) (edict_t* ent);
void (*pfnChangePitch) (edict_t* ent);
edict_t* (*pfnFindEntityByString) (edict_t *pEdictStartSearchAfter, const char *pszField, const char *pszValue);
int (*pfnGetEntityIllum) (edict_t* pEnt);
edict_t* (*pfnFindEntityInSphere) (edict_t *pEdictStartSearchAfter, const float *org, float rad);
edict_t* (*pfnFindClientInPVS) (edict_t *pEdict);
edict_t* (*pfnEntitiesInPVS) (edict_t *pplayer);
void (*pfnMakeVectors) (const float *rgflVector);
void (*pfnAngleVectors) (const float *rgflVector, float *forward, float *right, float *up);
edict_t* (*pfnCreateEntity) (void);
void (*pfnRemoveEntity) (edict_t* e);
edict_t* (*pfnCreateNamedEntity) (int className);
void (*pfnMakeStatic) (edict_t *ent);
int (*pfnEntIsOnFloor) (edict_t *e);
int (*pfnDropToFloor) (edict_t* e);
int (*pfnWalkMove) (edict_t *ent, float yaw, float dist, int iMode);
void (*pfnSetOrigin) (edict_t *e, const float *rgflOrigin);
void (*pfnEmitSound) (edict_t *entity, int channel, const char *sample, /*int*/float volume, float attenuation, int fFlags, int pitch);
void (*pfnEmitAmbientSound) (edict_t *entity, float *pos, const char *samp, float vol, float attenuation, int fFlags, int pitch);
void (*pfnTraceLine) (const float *v1, const float *v2, int fNoMonsters, edict_t *pentToSkip, TraceResult *ptr);
void (*pfnTraceToss) (edict_t* pent, edict_t* pentToIgnore, TraceResult *ptr);
int (*pfnTraceMonsterHull) (edict_t *pEdict, const float *v1, const float *v2, int fNoMonsters, edict_t *pentToSkip, TraceResult *ptr);
void (*pfnTraceHull) (const float *v1, const float *v2, int fNoMonsters, int hullNumber, edict_t *pentToSkip, TraceResult *ptr);
void (*pfnTraceModel) (const float *v1, const float *v2, int hullNumber, edict_t *pent, TraceResult *ptr);
const char *(*pfnTraceTexture) (edict_t *pTextureEntity, const float *v1, const float *v2 );
void (*pfnTraceSphere) (const float *v1, const float *v2, int fNoMonsters, float radius, edict_t *pentToSkip, TraceResult *ptr);
void (*pfnGetAimVector) (edict_t* ent, float speed, float *rgflReturn);
void (*pfnServerCommand) (char* str);
void (*pfnServerExecute) (void);
void (*pfnClientCommand) (edict_t* pEdict, char* szFmt, ...);
void (*pfnParticleEffect) (const float *org, const float *dir, float color, float count);
void (*pfnLightStyle) (int style, char* val);
int (*pfnDecalIndex) (const char *name);
int (*pfnPointContents) (const float *rgflVector);
void (*pfnMessageBegin) (int msg_dest, int msg_type, const float *pOrigin, edict_t *ed);
void (*pfnMessageEnd) (void);
void (*pfnWriteByte) (int iValue);
void (*pfnWriteChar) (int iValue);
void (*pfnWriteShort) (int iValue);
void (*pfnWriteLong) (int iValue);
void (*pfnWriteAngle) (float flValue);
void (*pfnWriteCoord) (float flValue);
void (*pfnWriteString) (const char *sz);
void (*pfnWriteEntity) (int iValue);
void (*pfnCVarRegister) (cvar_t *pCvar);
float (*pfnCVarGetFloat) (const char *szVarName);
const char* (*pfnCVarGetString) (const char *szVarName);
void (*pfnCVarSetFloat) (const char *szVarName, float flValue);
void (*pfnCVarSetString) (const char *szVarName, const char *szValue);
void (*pfnAlertMessage) (ALERT_TYPE atype, char *szFmt, ...);
void (*pfnEngineFprintf) (FILE *pfile, char *szFmt, ...);
void* (*pfnPvAllocEntPrivateData) (edict_t *pEdict, long cb);
void* (*pfnPvEntPrivateData) (edict_t *pEdict);
void (*pfnFreeEntPrivateData) (edict_t *pEdict);
const char* (*pfnSzFromIndex) (int iString);
int (*pfnAllocString) (const char *szValue);
struct entvars_s* (*pfnGetVarsOfEnt) (edict_t *pEdict);
edict_t* (*pfnPEntityOfEntOffset) (int iEntOffset);
int (*pfnEntOffsetOfPEntity) (const edict_t *pEdict);
int (*pfnIndexOfEdict) (const edict_t *pEdict);
edict_t* (*pfnPEntityOfEntIndex) (int iEntIndex);
edict_t* (*pfnFindEntityByVars) (struct entvars_s* pvars);
void* (*pfnGetModelPtr) (edict_t* pEdict);
int (*pfnRegUserMsg) (const char *pszName, int iSize);
void (*pfnAnimationAutomove) (const edict_t* pEdict, float flTime);
void (*pfnGetBonePosition) (const edict_t* pEdict, int iBone, float *rgflOrigin, float *rgflAngles );
unsigned long (*pfnFunctionFromName) ( const char *pName );
const char *(*pfnNameForFunction) ( unsigned long function );
void (*pfnClientPrintf) ( edict_t* pEdict, PRINT_TYPE ptype, const char *szMsg ); // JOHN: engine callbacks so game DLL can print messages to individual clients
void (*pfnServerPrint) ( const char *szMsg );
const char *(*pfnCmd_Args) ( void ); // these 3 added
const char *(*pfnCmd_Argv) ( int argc ); // so game DLL can easily
int (*pfnCmd_Argc) ( void ); // access client 'cmd' strings
void (*pfnGetAttachment) (const edict_t *pEdict, int iAttachment, float *rgflOrigin, float *rgflAngles );
void (*pfnCRC32_Init) (CRC32_t *pulCRC);
void (*pfnCRC32_ProcessBuffer) (CRC32_t *pulCRC, void *p, int len);
void (*pfnCRC32_ProcessByte) (CRC32_t *pulCRC, unsigned char ch);
CRC32_t (*pfnCRC32_Final) (CRC32_t pulCRC);
long (*pfnRandomLong) (long lLow, long lHigh);
float (*pfnRandomFloat) (float flLow, float flHigh);
void (*pfnSetView) (const edict_t *pClient, const edict_t *pViewent );
float (*pfnTime) ( void );
void (*pfnCrosshairAngle) (const edict_t *pClient, float pitch, float yaw);
byte * (*pfnLoadFileForMe) (char *filename, int *pLength);
void (*pfnFreeFile) (void *buffer);
void (*pfnEndSection) (const char *pszSectionName); // trigger_endsection
int (*pfnCompareFileTime) (char *filename1, char *filename2, int *iCompare);
void (*pfnGetGameDir) (char *szGetGameDir);
void (*pfnCvar_RegisterVariable) (cvar_t *variable);
void (*pfnFadeClientVolume) (const edict_t *pEdict, int fadePercent, int fadeOutSeconds, int holdTime, int fadeInSeconds);
void (*pfnSetClientMaxspeed) (const edict_t *pEdict, float fNewMaxspeed);
edict_t * (*pfnCreateFakeClient) (const char *netname); // returns NULL if fake client can't be created
void (*pfnRunPlayerMove) (edict_t *fakeclient, const float *viewangles, float forwardmove, float sidemove, float upmove, unsigned short buttons, byte impulse, byte msec );
int (*pfnNumberOfEntities) (void);
char* (*pfnGetInfoKeyBuffer) (edict_t *e); // passing in NULL gets the serverinfo
char* (*pfnInfoKeyValue) (char *infobuffer, char *key);
void (*pfnSetKeyValue) (char *infobuffer, char *key, char *value);
void (*pfnSetClientKeyValue) (int clientIndex, char *infobuffer, char *key, char *value);
int (*pfnIsMapValid) (char *filename);
void (*pfnStaticDecal) ( const float *origin, int decalIndex, int entityIndex, int modelIndex );
int (*pfnPrecacheGeneric) (char* s);
int (*pfnGetPlayerUserId) (edict_t *e ); // returns the server assigned userid for this player. useful for logging frags, etc. returns -1 if the edict couldn't be found in the list of clients
void (*pfnBuildSoundMsg) (edict_t *entity, int channel, const char *sample, /*int*/float volume, float attenuation, int fFlags, int pitch, int msg_dest, int msg_type, const float *pOrigin, edict_t *ed);
int (*pfnIsDedicatedServer) (void);// is this a dedicated server?
cvar_t *(*pfnCVarGetPointer) (const char *szVarName);
unsigned int (*pfnGetPlayerWONId) (edict_t *e); // returns the server assigned WONid for this player. useful for logging frags, etc. returns -1 if the edict couldn't be found in the list of clients
// YWB 8/1/99 TFF Physics additions
void (*pfnInfo_RemoveKey) ( char *s, const char *key );
const char *(*pfnGetPhysicsKeyValue) ( const edict_t *pClient, const char *key );
void (*pfnSetPhysicsKeyValue) ( const edict_t *pClient, const char *key, const char *value );
const char *(*pfnGetPhysicsInfoString) ( const edict_t *pClient );
unsigned short (*pfnPrecacheEvent) ( int type, const char*psz );
void (*pfnPlaybackEvent) ( int flags, const edict_t *pInvoker, unsigned short eventindex, float delay, float *origin, float *angles, float fparam1, float fparam2, int iparam1, int iparam2, int bparam1, int bparam2 );
unsigned char *(*pfnSetFatPVS) ( float *org );
unsigned char *(*pfnSetFatPAS) ( float *org );
int (*pfnCheckVisibility ) ( const edict_t *entity, unsigned char *pset );
void (*pfnDeltaSetField) ( struct delta_s *pFields, const char *fieldname );
void (*pfnDeltaUnsetField) ( struct delta_s *pFields, const char *fieldname );
void (*pfnDeltaAddEncoder) ( char *name, void (*conditionalencode)( struct delta_s *pFields, const unsigned char *from, const unsigned char *to ) );
int (*pfnGetCurrentPlayer) ( void );
int (*pfnCanSkipPlayer) ( const edict_t *player );
int (*pfnDeltaFindField) ( struct delta_s *pFields, const char *fieldname );
void (*pfnDeltaSetFieldByIndex) ( struct delta_s *pFields, int fieldNumber );
void (*pfnDeltaUnsetFieldByIndex)( struct delta_s *pFields, int fieldNumber );
void (*pfnSetGroupMask) ( int mask, int op );
int (*pfnCreateInstancedBaseline) ( int classname, struct entity_state_s *baseline );
void (*pfnCvar_DirectSet) ( struct cvar_s *var, char *value );
// Forces the client and server to be running with the same version of the specified file
// ( e.g., a player model ).
// Calling this has no effect in single player
void (*pfnForceUnmodified) ( FORCE_TYPE type, float *mins, float *maxs, const char *filename );
void (*pfnGetPlayerStats) ( const edict_t *pClient, int *ping, int *packet_loss );
void (*pfnAddServerCommand) ( char *cmd_name, void (*function) (void) );
// For voice communications, set which clients hear eachother.
// NOTE: these functions take player entity indices (starting at 1).
qboolean (*pfnVoice_GetClientListening)(int iReceiver, int iSender);
qboolean (*pfnVoice_SetClientListening)(int iReceiver, int iSender, qboolean bListen);
} enginefuncs_t;
// ONLY ADD NEW FUNCTIONS TO THE END OF THIS STRUCT. INTERFACE VERSION IS FROZEN AT 138
// Passed to pfnKeyValue
typedef struct KeyValueData_s
{
char *szClassName; // in: entity classname
char *szKeyName; // in: name of key
char *szValue; // in: value of key
long fHandled; // out: DLL sets to true if key-value pair was understood
} KeyValueData;
typedef struct
{
char mapName[ 32 ];
char landmarkName[ 32 ];
edict_t *pentLandmark;
vec3_t vecLandmarkOrigin;
} LEVELLIST;
#define MAX_LEVEL_CONNECTIONS 16 // These are encoded in the lower 16bits of ENTITYTABLE->flags
typedef struct
{
int id; // Ordinal ID of this entity (used for entity <--> pointer conversions)
edict_t *pent; // Pointer to the in-game entity
int location; // Offset from the base data of this entity
int size; // Byte size of this entity's data
int flags; // This could be a short -- bit mask of transitions that this entity is in the PVS of
string_t classname; // entity class name
} ENTITYTABLE;
#define FENTTABLE_PLAYER 0x80000000
#define FENTTABLE_REMOVED 0x40000000
#define FENTTABLE_MOVEABLE 0x20000000
#define FENTTABLE_GLOBAL 0x10000000
typedef struct saverestore_s SAVERESTOREDATA;
#ifdef _WIN32
typedef
#endif
struct saverestore_s
{
char *pBaseData; // Start of all entity save data
char *pCurrentData; // Current buffer pointer for sequential access
int size; // Current data size
int bufferSize; // Total space for data
int tokenSize; // Size of the linear list of tokens
int tokenCount; // Number of elements in the pTokens table
char **pTokens; // Hash table of entity strings (sparse)
int currentIndex; // Holds a global entity table ID
int tableCount; // Number of elements in the entity table
int connectionCount;// Number of elements in the levelList[]
ENTITYTABLE *pTable; // Array of ENTITYTABLE elements (1 for each entity)
LEVELLIST levelList[ MAX_LEVEL_CONNECTIONS ]; // List of connections from this level
// smooth transition
int fUseLandmark;
char szLandmarkName[20];// landmark we'll spawn near in next level
vec3_t vecLandmarkOffset;// for landmark transitions
float time;
char szCurrentMapName[32]; // To check global entities
}
#ifdef _WIN32
SAVERESTOREDATA
#endif
;
typedef enum _fieldtypes
{
FIELD_FLOAT = 0, // Any floating point value
FIELD_STRING, // A string ID (return from ALLOC_STRING)
FIELD_ENTITY, // An entity offset (EOFFSET)
FIELD_CLASSPTR, // CBaseEntity *
FIELD_EHANDLE, // Entity handle
FIELD_EVARS, // EVARS *
FIELD_EDICT, // edict_t *, or edict_t * (same thing)
FIELD_VECTOR, // Any vector
FIELD_POSITION_VECTOR, // A world coordinate (these are fixed up across level transitions automagically)
FIELD_POINTER, // Arbitrary data pointer... to be removed, use an array of FIELD_CHARACTER
FIELD_INTEGER, // Any integer or enum
FIELD_FUNCTION, // A class function pointer (Think, Use, etc)
FIELD_BOOLEAN, // boolean, implemented as an int, I may use this as a hint for compression
FIELD_SHORT, // 2 byte integer
FIELD_CHARACTER, // a byte
FIELD_TIME, // a floating point time (these are fixed up automatically too!)
FIELD_MODELNAME, // Engine string that is a model name (needs precache)
FIELD_SOUNDNAME, // Engine string that is a sound name (needs precache)
FIELD_TYPECOUNT, // MUST BE LAST
} FIELDTYPE;
#ifndef offsetof
#define offsetof(s,m) (size_t)&(((s *)0)->m)
#endif
#define _FIELD(type,name,fieldtype,count,flags) { fieldtype, #name, offsetof(type, name), count, flags }
#define DEFINE_FIELD(type,name,fieldtype) _FIELD(type, name, fieldtype, 1, 0)
#define DEFINE_ARRAY(type,name,fieldtype,count) _FIELD(type, name, fieldtype, count, 0)
#define DEFINE_ENTITY_FIELD(name,fieldtype) _FIELD(entvars_t, name, fieldtype, 1, 0 )
#define DEFINE_ENTITY_GLOBAL_FIELD(name,fieldtype) _FIELD(entvars_t, name, fieldtype, 1, FTYPEDESC_GLOBAL )
#define DEFINE_GLOBAL_FIELD(type,name,fieldtype) _FIELD(type, name, fieldtype, 1, FTYPEDESC_GLOBAL )
#define FTYPEDESC_GLOBAL 0x0001 // This field is masked for global entity save/restore
typedef struct
{
FIELDTYPE fieldType;
char *fieldName;
int fieldOffset;
short fieldSize;
short flags;
} TYPEDESCRIPTION;
#define ARRAYSIZE(p) (sizeof(p)/sizeof(p[0]))
typedef struct
{
// Initialize/shutdown the game (one-time call after loading of game .dll )
void (*pfnGameInit) ( void );
int (*pfnSpawn) ( edict_t *pent );
void (*pfnThink) ( edict_t *pent );
void (*pfnUse) ( edict_t *pentUsed, edict_t *pentOther );
void (*pfnTouch) ( edict_t *pentTouched, edict_t *pentOther );
void (*pfnBlocked) ( edict_t *pentBlocked, edict_t *pentOther );
void (*pfnKeyValue) ( edict_t *pentKeyvalue, KeyValueData *pkvd );
void (*pfnSave) ( edict_t *pent, SAVERESTOREDATA *pSaveData );
int (*pfnRestore) ( edict_t *pent, SAVERESTOREDATA *pSaveData, int globalEntity );
void (*pfnSetAbsBox) ( edict_t *pent );
void (*pfnSaveWriteFields) ( SAVERESTOREDATA *, const char *, void *, TYPEDESCRIPTION *, int );
void (*pfnSaveReadFields) ( SAVERESTOREDATA *, const char *, void *, TYPEDESCRIPTION *, int );
void (*pfnSaveGlobalState) ( SAVERESTOREDATA * );
void (*pfnRestoreGlobalState) ( SAVERESTOREDATA * );
void (*pfnResetGlobalState) ( void );
qboolean (*pfnClientConnect) ( edict_t *pEntity, const char *pszName, const char *pszAddress, char szRejectReason[ 128 ] );
void (*pfnClientDisconnect) ( edict_t *pEntity );
void (*pfnClientKill) ( edict_t *pEntity );
void (*pfnClientPutInServer) ( edict_t *pEntity );
void (*pfnClientCommand) ( edict_t *pEntity );
void (*pfnClientUserInfoChanged)( edict_t *pEntity, char *infobuffer );
void (*pfnServerActivate) ( edict_t *pEdictList, int edictCount, int clientMax );
void (*pfnServerDeactivate) ( void );
void (*pfnPlayerPreThink) ( edict_t *pEntity );
void (*pfnPlayerPostThink) ( edict_t *pEntity );
void (*pfnStartFrame) ( void );
void (*pfnParmsNewLevel) ( void );
void (*pfnParmsChangeLevel) ( void );
// Returns string describing current .dll. E.g., TeamFotrress 2, Half-Life
const char *(*pfnGetGameDescription)( void );
// Notify dll about a player customization.
void (*pfnPlayerCustomization) ( edict_t *pEntity, customization_t *pCustom );
// Spectator funcs
void (*pfnSpectatorConnect) ( edict_t *pEntity );
void (*pfnSpectatorDisconnect) ( edict_t *pEntity );
void (*pfnSpectatorThink) ( edict_t *pEntity );
// Notify game .dll that engine is going to shut down. Allows mod authors to set a breakpoint.
void (*pfnSys_Error) ( const char *error_string );
void (*pfnPM_Move) ( struct playermove_s *ppmove, qboolean server );
void (*pfnPM_Init) ( struct playermove_s *ppmove );
char (*pfnPM_FindTextureType)( char *name );
void (*pfnSetupVisibility)( struct edict_s *pViewEntity, struct edict_s *pClient, unsigned char **pvs, unsigned char **pas );
void (*pfnUpdateClientData) ( const struct edict_s *ent, int sendweapons, struct clientdata_s *cd );
int (*pfnAddToFullPack)( struct entity_state_s *state, int e, edict_t *ent, edict_t *host, int hostflags, int player, unsigned char *pSet );
void (*pfnCreateBaseline) ( int player, int eindex, struct entity_state_s *baseline, struct edict_s *entity, int playermodelindex, vec3_t player_mins, vec3_t player_maxs );
void (*pfnRegisterEncoders) ( void );
int (*pfnGetWeaponData) ( struct edict_s *player, struct weapon_data_s *info );
void (*pfnCmdStart) ( const edict_t *player, const struct usercmd_s *cmd, unsigned int random_seed );
void (*pfnCmdEnd) ( const edict_t *player );
// Return 1 if the packet is valid. Set response_buffer_size if you want to send a response packet. Incoming, it holds the max
// size of the response_buffer, so you must zero it out if you choose not to respond.
int (*pfnConnectionlessPacket ) ( const struct netadr_s *net_from, const char *args, char *response_buffer, int *response_buffer_size );
// Enumerates player hulls. Returns 0 if the hull number doesn't exist, 1 otherwise
int (*pfnGetHullBounds) ( int hullnumber, float *mins, float *maxs );
// Create baselines for certain "unplaced" items.
void (*pfnCreateInstancedBaselines) ( void );
// One of the pfnForceUnmodified files failed the consistency check for the specified player
// Return 0 to allow the client to continue, 1 to force immediate disconnection ( with an optional disconnect message of up to 256 characters )
int (*pfnInconsistentFile)( const struct edict_s *player, const char *filename, char *disconnect_message );
// The game .dll should return 1 if lag compensation should be allowed ( could also just set
// the sv_unlag cvar.
// Most games right now should return 0, until client-side weapon prediction code is written
// and tested for them.
int (*pfnAllowLagCompensation)( void );
} DLL_FUNCTIONS;
extern DLL_FUNCTIONS gEntityInterface;
// Current version.
#define NEW_DLL_FUNCTIONS_VERSION 1
typedef struct
{
// Called right before the object's memory is freed.
// Calls its destructor.
void (*pfnOnFreeEntPrivateData)(edict_t *pEnt);
void (*pfnGameShutdown)(void);
int (*pfnShouldCollide)( edict_t *pentTouched, edict_t *pentOther );
} NEW_DLL_FUNCTIONS;
typedef int (*NEW_DLL_FUNCTIONS_FN)( NEW_DLL_FUNCTIONS *pFunctionTable, int *interfaceVersion );
// Pointers will be null if the game DLL doesn't support this API.
extern NEW_DLL_FUNCTIONS gNewDLLFunctions;
typedef int (*APIFUNCTION)( DLL_FUNCTIONS *pFunctionTable, int interfaceVersion );
typedef int (*APIFUNCTION2)( DLL_FUNCTIONS *pFunctionTable, int *interfaceVersion );
#endif EIFACE_H
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