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amxmodx/public/resdk/engine/rehlds_api.h
Vincent Herbet 115916d753 Add basic ReHLDS and ReGameDLL support (#417) 
* Add ReHLDS API files and its dependencies

Note: This has been stolen from ReAPI AMXX module and modified/adjusted to match AMXX existing includes and to provide as less dependencies as possible as well

* Add the necessary files to get ReHLDS interface

* Split SV_DropClient into pre/post code

* Init ReHLDS API and add SV_DropClient hook

* Add Cvar_DirectSet hook and adjust code with helpers

Note: we don't need to split code here. This is pretty much the naive and straight way, but fairly enough for our case. If it happens we got a lot more hooks, we may consider to use some class to manage better the things.

* Move platform and interface stuff in their own files in public directory

* Make sure to init cvar stuff after ReHLDS

* Add ReGameDLL API files and its dependencies in cstrike module

* Init ReHLDS in cstrike module and adjust code

Note: About cs_uset_set_model(). ReHLDS API doesn't offer a way to know directly the precached models, so instead of looping through all the ressources, the models list is saved one time at map change into a hashmap.

* Init ReGameDLL and adjust code

* Fix linux compilation

* Init ReGameDLL in fakemeta module and adjust code

* Rename /reapi directory to /resdk to avoid confusion

* Retrieve gamerules pointer through InstallGameRules in fakemeta module

* Retrieve gamerules pointer through InstallGameRules in cstrike module

Note: actually gamerules is not used if regamedll is enabled, but it could be used in future natives.

* Fix a typo when ReGameDLL is not enabled

* Fix missing interface check for ReHLDS.

I'm pretty sure I was checking at the very first since I worked first on vanilla version of engine, looks like change has been lost.
2017-03-09 19:59:38 +01:00

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/*
*
* 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 2 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, the author gives permission to
* link the code of this program with the Half-Life Game Engine ("HL
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
* L.L.C ("Valve"). You must obey the GNU General Public License in all
* respects for all of the code used other than the HL Engine and MODs
* from Valve. If you modify this file, you may extend this exception
* to your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version.
*
*/
#pragma once
#include <engine_strucs.h>
#include <com_model.h>
#include "cmd_rehlds.h"
#include "rehlds_interfaces.h"
#include "FlightRecorder.h"
#include "../common/hookchains.h"
#define REHLDS_API_VERSION_MAJOR 3
#define REHLDS_API_VERSION_MINOR 0
//Steam_NotifyClientConnect hook
typedef IHookChain<qboolean, IGameClient*, const void*, unsigned int> IRehldsHook_Steam_NotifyClientConnect;
typedef IHookChainRegistry<qboolean, IGameClient*, const void*, unsigned int> IRehldsHookRegistry_Steam_NotifyClientConnect;
//SV_ConnectClient hook
typedef IVoidHookChain<> IRehldsHook_SV_ConnectClient;
typedef IVoidHookChainRegistry<> IRehldsHookRegistry_SV_ConnectClient;
//SV_GetIDString hook
typedef IHookChain<char*, USERID_t*> IRehldsHook_SV_GetIDString;
typedef IHookChainRegistry<char*, USERID_t*> IRehldsHookRegistry_SV_GetIDString;
//SV_SendServerinfo hook
typedef IVoidHookChain<sizebuf_t*, IGameClient*> IRehldsHook_SV_SendServerinfo;
typedef IVoidHookChainRegistry<sizebuf_t*, IGameClient*> IRehldsHookRegistry_SV_SendServerinfo;
//SV_CheckProtocol hook
typedef IHookChain<int, netadr_t*, int> IRehldsHook_SV_CheckProtocol;
typedef IHookChainRegistry<int, netadr_t*, int> IRehldsHookRegistry_SV_CheckProtocol;
//SVC_GetChallenge_mod hook
typedef IVoidHookChain<char*, int> IRehldsHook_SVC_GetChallenge_mod;
typedef IVoidHookChainRegistry<char*, int> IRehldsHookRegistry_SVC_GetChallenge_mod;
//SV_CheckKeyInfo hook
typedef IHookChain<int, netadr_t*, char*, uint16*, int*, char*, char*> IRehldsHook_SV_CheckKeyInfo;
typedef IHookChainRegistry<int, netadr_t*, char*, uint16*, int*, char*, char*> IRehldsHookRegistry_SV_CheckKeyInfo;
//SV_CheckIPRestrictions hook
typedef IHookChain<int, netadr_t*, int> IRehldsHook_SV_CheckIPRestrictions;
typedef IHookChainRegistry<int, netadr_t*, int> IRehldsHookRegistry_SV_CheckIPRestrictions;
//SV_FinishCertificateCheck hook
typedef IHookChain<int, netadr_t*, int, char*, char*> IRehldsHook_SV_FinishCertificateCheck;
typedef IHookChainRegistry<int, netadr_t*, int, char*, char*> IRehldsHookRegistry_SV_FinishCertificateCheck;
//Steam_NotifyBotConnect hook
typedef IHookChain<qboolean, IGameClient*> IRehldsHook_Steam_NotifyBotConnect;
typedef IHookChainRegistry<qboolean, IGameClient*> IRehldsHookRegistry_Steam_NotifyBotConnect;
//SerializeSteamId
typedef IVoidHookChain<USERID_t*, USERID_t*> IRehldsHook_SerializeSteamId;
typedef IVoidHookChainRegistry<USERID_t*, USERID_t*> IRehldsHookRegistry_SerializeSteamId;
//SV_CompareUserID hook
typedef IHookChain<qboolean, USERID_t*, USERID_t*> IRehldsHook_SV_CompareUserID;
typedef IHookChainRegistry<qboolean, USERID_t*, USERID_t*> IRehldsHookRegistry_SV_CompareUserID;
//Steam_NotifyClientDisconnect
typedef IVoidHookChain<IGameClient*> IRehldsHook_Steam_NotifyClientDisconnect;
typedef IVoidHookChainRegistry<IGameClient*> IRehldsHookRegistry_Steam_NotifyClientDisconnect;
//PreProcessPacket
typedef IHookChain<bool, uint8*, unsigned int, const netadr_t&> IRehldsHook_PreprocessPacket;
typedef IHookChainRegistry<bool, uint8*, unsigned int, const netadr_t&> IRehldsHookRegistry_PreprocessPacket;
//ValidateCommand
typedef IHookChain<bool, const char*, cmd_source_t, IGameClient*> IRehldsHook_ValidateCommand;
typedef IHookChainRegistry<bool, const char*, cmd_source_t, IGameClient*> IRehldsHookRegistry_ValidateCommand;
//ExecuteServerStringCmd
typedef IVoidHookChain<const char*, cmd_source_t, IGameClient*> IRehldsHook_ExecuteServerStringCmd;
typedef IVoidHookChainRegistry<const char*, cmd_source_t, IGameClient*> IRehldsHookRegistry_ExecuteServerStringCmd;
//ClientConnected
typedef IVoidHookChain<IGameClient*> IRehldsHook_ClientConnected;
typedef IVoidHookChainRegistry<IGameClient*> IRehldsHookRegistry_ClientConnected;
//HandleNetCommand
typedef IVoidHookChain<IGameClient*, int8> IRehldsHook_HandleNetCommand;
typedef IVoidHookChainRegistry<IGameClient*, int8> IRehldsHookRegistry_HandleNetCommand;
//Mod_LoadBrushModel
typedef IVoidHookChain<model_t*, void*> IRehldsHook_Mod_LoadBrushModel;
typedef IVoidHookChainRegistry<model_t*, void*> IRehldsHookRegistry_Mod_LoadBrushModel;
//Mod_LoadStudioModel
typedef IVoidHookChain<model_t*, void*> IRehldsHook_Mod_LoadStudioModel;
typedef IVoidHookChainRegistry<model_t*, void*> IRehldsHookRegistry_Mod_LoadStudioModel;
//SV_EmitEvents hook
typedef IVoidHookChain<IGameClient *, struct packet_entities_s *, sizebuf_t *> IRehldsHook_SV_EmitEvents;
typedef IVoidHookChainRegistry<IGameClient *, struct packet_entities_s *, sizebuf_t *> IRehldsHookRegistry_SV_EmitEvents;
//EV_PlayReliableEvent hook
typedef IVoidHookChain<IGameClient *, int, unsigned short, float, struct event_args_s *> IRehldsHook_EV_PlayReliableEvent;
typedef IVoidHookChainRegistry<IGameClient *, int, unsigned short, float, struct event_args_s *> IRehldsHookRegistry_EV_PlayReliableEvent;
//SV_StartSound hook
typedef IVoidHookChain<int , edict_t *, int, const char *, int, float, int, int> IRehldsHook_SV_StartSound;
typedef IVoidHookChainRegistry<int , edict_t *, int, const char *, int, float, int, int> IRehldsHookRegistry_SV_StartSound;
//PF_Remove_I hook
typedef IVoidHookChain<edict_t *> IRehldsHook_PF_Remove_I;
typedef IVoidHookChainRegistry<edict_t *> IRehldsHookRegistry_PF_Remove_I;
//PF_BuildSoundMsg_I hook
typedef IVoidHookChain<edict_t *, int, const char *, float, float, int, int, int, int, const float *, edict_t *> IRehldsHook_PF_BuildSoundMsg_I;
typedef IVoidHookChainRegistry<edict_t *, int, const char *, float, float, int, int, int, int, const float *, edict_t *> IRehldsHookRegistry_PF_BuildSoundMsg_I;
//SV_WriteFullClientUpdate hook
typedef IVoidHookChain<IGameClient *, char *, size_t, sizebuf_t *, IGameClient *> IRehldsHook_SV_WriteFullClientUpdate;
typedef IVoidHookChainRegistry<IGameClient *, char *, size_t, sizebuf_t *, IGameClient *> IRehldsHookRegistry_SV_WriteFullClientUpdate;
//SV_CheckConsistencyResponse hook
typedef IHookChain<bool, IGameClient *, resource_t *, uint32> IRehldsHook_SV_CheckConsistencyResponse;
typedef IHookChainRegistry<bool, IGameClient *, resource_t *, uint32> IRehldsHookRegistry_SV_CheckConsistencyResponse;
//SV_DropClient hook
typedef IVoidHookChain<IGameClient*, bool, const char*> IRehldsHook_SV_DropClient;
typedef IVoidHookChainRegistry<IGameClient*, bool, const char*> IRehldsHookRegistry_SV_DropClient;
//SV_ActivateServer hook
typedef IVoidHookChain<int> IRehldsHook_SV_ActivateServer;
typedef IVoidHookChainRegistry<int> IRehldsHookRegistry_SV_ActivateServer;
//SV_WriteVoiceCodec hook
typedef IVoidHookChain<sizebuf_t *> IRehldsHook_SV_WriteVoiceCodec;
typedef IVoidHookChainRegistry<sizebuf_t *> IRehldsHookRegistry_SV_WriteVoiceCodec;
//Steam_GSGetSteamID hook
typedef IHookChain<uint64> IRehldsHook_Steam_GSGetSteamID;
typedef IHookChainRegistry<uint64> IRehldsHookRegistry_Steam_GSGetSteamID;
//SV_TransferConsistencyInfo hook
typedef IHookChain<int> IRehldsHook_SV_TransferConsistencyInfo;
typedef IHookChainRegistry<int> IRehldsHookRegistry_SV_TransferConsistencyInfo;
//Steam_GSBUpdateUserData hook
typedef IHookChain<bool, uint64, const char *, uint32> IRehldsHook_Steam_GSBUpdateUserData;
typedef IHookChainRegistry<bool, uint64, const char *, uint32> IRehldsHookRegistry_Steam_GSBUpdateUserData;
//Cvar_DirectSet hook
typedef IVoidHookChain<struct cvar_s *, const char *> IRehldsHook_Cvar_DirectSet;
typedef IVoidHookChainRegistry<struct cvar_s *, const char *> IRehldsHookRegistry_Cvar_DirectSet;
//SV_EstablishTimeBase hook
typedef IVoidHookChain<IGameClient *, struct usercmd_s *, int, int, int> IRehldsHook_SV_EstablishTimeBase;
typedef IVoidHookChainRegistry<IGameClient *, struct usercmd_s *, int, int, int> IRehldsHookRegistry_SV_EstablishTimeBase;
//SV_Spawn_f hook
typedef IVoidHookChain<> IRehldsHook_SV_Spawn_f;
typedef IVoidHookChainRegistry<> IRehldsHookRegistry_SV_Spawn_f;
//SV_CreatePacketEntities hook
typedef IHookChain<int, enum sv_delta_s, IGameClient *, struct packet_entities_s *, struct sizebuf_s *> IRehldsHook_SV_CreatePacketEntities;
typedef IHookChainRegistry<int, enum sv_delta_s, IGameClient *, struct packet_entities_s *, struct sizebuf_s *> IRehldsHookRegistry_SV_CreatePacketEntities;
//SV_EmitSound2 hook
typedef IHookChain<bool, edict_t *, IGameClient *, int, const char*, float, float, int, int, int, const float*> IRehldsHook_SV_EmitSound2;
typedef IHookChainRegistry<bool, edict_t *, IGameClient *, int, const char*, float, float, int, int, int, const float*> IRehldsHookRegistry_SV_EmitSound2;
class IRehldsHookchains {
public:
virtual ~IRehldsHookchains() { }
virtual IRehldsHookRegistry_Steam_NotifyClientConnect* Steam_NotifyClientConnect() = 0;
virtual IRehldsHookRegistry_SV_ConnectClient* SV_ConnectClient() = 0;
virtual IRehldsHookRegistry_SV_GetIDString* SV_GetIDString() = 0;
virtual IRehldsHookRegistry_SV_SendServerinfo* SV_SendServerinfo() = 0;
virtual IRehldsHookRegistry_SV_CheckProtocol* SV_CheckProtocol() = 0;
virtual IRehldsHookRegistry_SVC_GetChallenge_mod* SVC_GetChallenge_mod() = 0;
virtual IRehldsHookRegistry_SV_CheckKeyInfo* SV_CheckKeyInfo() = 0;
virtual IRehldsHookRegistry_SV_CheckIPRestrictions* SV_CheckIPRestrictions() = 0;
virtual IRehldsHookRegistry_SV_FinishCertificateCheck* SV_FinishCertificateCheck() = 0;
virtual IRehldsHookRegistry_Steam_NotifyBotConnect* Steam_NotifyBotConnect() = 0;
virtual IRehldsHookRegistry_SerializeSteamId* SerializeSteamId() = 0;
virtual IRehldsHookRegistry_SV_CompareUserID* SV_CompareUserID() = 0;
virtual IRehldsHookRegistry_Steam_NotifyClientDisconnect* Steam_NotifyClientDisconnect() = 0;
virtual IRehldsHookRegistry_PreprocessPacket* PreprocessPacket() = 0;
virtual IRehldsHookRegistry_ValidateCommand* ValidateCommand() = 0;
virtual IRehldsHookRegistry_ClientConnected* ClientConnected() = 0;
virtual IRehldsHookRegistry_HandleNetCommand* HandleNetCommand() = 0;
virtual IRehldsHookRegistry_Mod_LoadBrushModel* Mod_LoadBrushModel() = 0;
virtual IRehldsHookRegistry_Mod_LoadStudioModel* Mod_LoadStudioModel() = 0;
virtual IRehldsHookRegistry_ExecuteServerStringCmd* ExecuteServerStringCmd() = 0;
virtual IRehldsHookRegistry_SV_EmitEvents* SV_EmitEvents() = 0;
virtual IRehldsHookRegistry_EV_PlayReliableEvent* EV_PlayReliableEvent() = 0;
virtual IRehldsHookRegistry_SV_StartSound* SV_StartSound() = 0;
virtual IRehldsHookRegistry_PF_Remove_I* PF_Remove_I() = 0;
virtual IRehldsHookRegistry_PF_BuildSoundMsg_I* PF_BuildSoundMsg_I() = 0;
virtual IRehldsHookRegistry_SV_WriteFullClientUpdate* SV_WriteFullClientUpdate() = 0;
virtual IRehldsHookRegistry_SV_CheckConsistencyResponse* SV_CheckConsistencyResponse() = 0;
virtual IRehldsHookRegistry_SV_DropClient* SV_DropClient() = 0;
virtual IRehldsHookRegistry_SV_ActivateServer* SV_ActivateServer() = 0;
virtual IRehldsHookRegistry_SV_WriteVoiceCodec* SV_WriteVoiceCodec() = 0;
virtual IRehldsHookRegistry_Steam_GSGetSteamID* Steam_GSGetSteamID() = 0;
virtual IRehldsHookRegistry_SV_TransferConsistencyInfo* SV_TransferConsistencyInfo() = 0;
virtual IRehldsHookRegistry_Steam_GSBUpdateUserData* Steam_GSBUpdateUserData() = 0;
virtual IRehldsHookRegistry_Cvar_DirectSet* Cvar_DirectSet() = 0;
virtual IRehldsHookRegistry_SV_EstablishTimeBase* SV_EstablishTimeBase() = 0;
virtual IRehldsHookRegistry_SV_Spawn_f* SV_Spawn_f() = 0;
virtual IRehldsHookRegistry_SV_CreatePacketEntities* SV_CreatePacketEntities() = 0;
virtual IRehldsHookRegistry_SV_EmitSound2* SV_EmitSound2() = 0;
};
struct RehldsFuncs_t {
void(*DropClient)(IGameClient* cl, bool crash, const char* fmt, ...);
void(*RejectConnection)(netadr_t *adr, char *fmt, ...);
qboolean(*SteamNotifyBotConnect)(IGameClient* cl);
sizebuf_t*(*GetNetMessage)();
IGameClient*(*GetHostClient)();
int*(*GetMsgReadCount)();
qboolean(*FilterUser)(USERID_t*);
void(*NET_SendPacket)(unsigned int length, void *data, const netadr_t &to);
void(*TokenizeString)(char* s);
bool(*CheckChallenge)(const netadr_t& adr, int challenge);
void(*SendUserReg)(sizebuf_t* msg);
void(*WriteDeltaDescriptionsToClient)(sizebuf_t* msg);
void(*SetMoveVars)();
void(*WriteMovevarsToClient)(sizebuf_t* msg);
char*(*GetClientFallback)();
int*(*GetAllowCheats)();
bool(*GSBSecure)();
int(*GetBuildNumber)();
double(*GetRealTime)();
int*(*GetMsgBadRead)();
cmd_source_t*(*GetCmdSource)();
void(*Log)(const char* prefix, const char* msg);
DLL_FUNCTIONS *(*GetEntityInterface)();
void(*EV_PlayReliableEvent)(IGameClient *cl, int entindex, unsigned short eventindex, float delay, struct event_args_s *pargs);
int(*SV_LookupSoundIndex)(const char *sample);
void(*MSG_StartBitWriting)(sizebuf_t *buf);
void(*MSG_WriteBits)(uint32 data, int numbits);
void(*MSG_WriteBitVec3Coord)(const float *fa);
void(*MSG_EndBitWriting)(sizebuf_t *buf);
void*(*SZ_GetSpace)(sizebuf_t *buf, int length);
cvar_t*(*GetCvarVars)();
int (*SV_GetChallenge)(const netadr_t& adr);
void (*SV_AddResource)(resourcetype_t type, const char *name, int size, unsigned char flags, int index);
int(*MSG_ReadShort)(void);
int(*MSG_ReadBuf)(int iSize, void *pbuf);
void(*MSG_WriteBuf)(sizebuf_t *sb, int iSize, void *buf);
void(*MSG_WriteByte)(sizebuf_t *sb, int c);
void(*MSG_WriteShort)(sizebuf_t *sb, int c);
void(*MSG_WriteString)(sizebuf_t *sb, const char *s);
void*(*GetPluginApi)(const char *name);
void(*RegisterPluginApi)(const char *name, void *impl);
qboolean(*SV_FileInConsistencyList)(const char *filename, struct consistency_s **ppconsist);
qboolean(*Steam_NotifyClientConnect)(IGameClient *cl, const void *pvSteam2Key, unsigned int ucbSteam2Key);
void(*Steam_NotifyClientDisconnect)(IGameClient* cl);
void(*SV_StartSound)(int recipients, edict_t *entity, int channel, const char *sample, int volume, float attenuation, int flags, int pitch);
bool(*SV_EmitSound2)(edict_t *entity, IGameClient *receiver, int channel, const char *sample, float volume, float attenuation, int flags, int pitch, int emitFlags, const float *pOrigin);
void(*SV_UpdateUserInfo)(IGameClient *pGameClient);
bool(*StripUnprintableAndSpace)(char *pch);
};
class IRehldsApi {
public:
virtual ~IRehldsApi() { }
virtual int GetMajorVersion() = 0;
virtual int GetMinorVersion() = 0;
virtual const RehldsFuncs_t* GetFuncs() = 0;
virtual IRehldsHookchains* GetHookchains() = 0;
virtual IRehldsServerStatic* GetServerStatic() = 0;
virtual IRehldsServerData* GetServerData() = 0;
virtual IRehldsFlightRecorder* GetFlightRecorder() = 0;
};
#define VREHLDS_HLDS_API_VERSION "VREHLDS_HLDS_API_VERSION001"
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