NS/main/source/HPB_bot/dlls/h_export.cpp

//
// HPB bot - botman's High Ping Bastard bot
//
// (http://planethalflife.com/botman/)
//
// h_export.cpp
//

#include "dlls/extdll.h"
#include "dlls/enginecallback.h"
#include "dlls/util.h"
#include "dlls/cbase.h"
#include "mod/AvHConstants.h"

#include "bot.h"
#include "HPB_bot/engine/engine.h"
#include "../types.h"

#ifndef __linux__

HINSTANCE h_Library = NULL;
HGLOBAL h_global_argv = NULL;

#else

void *h_Library = NULL;
char h_global_argv[1024];

#endif

enginefuncs_t g_engfuncs;
globalvars_t  *gpGlobals;
char *g_argv;

static FILE *fp;


GETENTITYAPI other_GetEntityAPI = NULL;
GETNEWDLLFUNCTIONS other_GetNewDLLFunctions = NULL;
GIVEFNPTRSTODLL other_GiveFnptrsToDll = NULL;

extern int mod_id;


#ifndef __linux__

// Required DLL entry point
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
   if (fdwReason == DLL_PROCESS_ATTACH)
   {
   }
   else if (fdwReason == DLL_PROCESS_DETACH)
   {
      if (h_Library)
         FreeLibrary(h_Library);

      if (h_global_argv)
      {
         GlobalUnlock(h_global_argv);
         GlobalFree(h_global_argv);
      }
   }

   return TRUE;
}

#endif

#ifndef __linux__
#ifdef __BORLANDC__
extern "C" DLLEXPORT void EXPORT GiveFnptrsToDll(enginefuncs_t* pengfuncsFromEngine, globalvars_t *pGlobals)
#else
void DLLEXPORT GiveFnptrsToDll( enginefuncs_t* pengfuncsFromEngine, globalvars_t *pGlobals )
#endif
#else
extern "C" DLLEXPORT GiveFnptrsToDll( enginefuncs_t* pengfuncsFromEngine, globalvars_t *pGlobals )
#endif
{
   int pos;
   char game_dir[256];
   char mod_name[32];

//#ifdef AVH_MAPPER_BUILD
//strcpy(mod_name, kModDirectory);
//#endif

   // get the engine functions from the engine...

   memcpy(&g_engfuncs, pengfuncsFromEngine, sizeof(enginefuncs_t));
   gpGlobals = pGlobals;

   // find the directory name of the currently running MOD...
   (*g_engfuncs.pfnGetGameDir)(game_dir);

   pos = strlen(game_dir) - 1;

   // scan backwards till first directory separator...
   while ((pos) && (game_dir[pos] != '/'))
      pos--;

   if (pos == 0)
   {
      // Error getting directory name!

		ALERT( at_error, "HPB_bot - Error determining MOD directory name!" );
   }

   pos++;
   strcpy(mod_name, &game_dir[pos]);

   mod_id = AVH_DLL;


#ifdef WIN32
   string theTempName = string(getModDirectory()) + "\\dlls\\ns.dll";
   h_Library = LoadLibrary(theTempName.c_str());
// TODO: Add this in when supporting linux again
#else
	printf("DLopening ns/dlls/HPB_bot_i386.so...");
	h_Library = dlopen("ns/dlls/HPB_bot_i386.so", RTLD_NOW);
#endif
   
   
   if (h_Library == NULL)
   {
      // Directory error or Unsupported MOD!

		ALERT( at_error, "HPB_bot - MOD dll not found (or unsupported MOD)!" );
   }


#ifndef __linux__
   h_global_argv = GlobalAlloc(GMEM_SHARE, 1024);
   g_argv = (char *)GlobalLock(h_global_argv);
#else
   g_argv = (char *)h_global_argv;
#endif

   other_GetEntityAPI = (GETENTITYAPI)GetProcAddress(h_Library, "GetEntityAPI");

   if (other_GetEntityAPI == NULL)
   {
      // Can't find GetEntityAPI!

		ALERT( at_error, "HPB_bot - Can't get MOD's GetEntityAPI!" );
   }

   other_GetNewDLLFunctions = (GETNEWDLLFUNCTIONS)GetProcAddress(h_Library, "GetNewDLLFunctions");

//   if (other_GetNewDLLFunctions == NULL)
//   {
//      // Can't find GetNewDLLFunctions!
//
//		ALERT( at_error, "HPB_bot - Can't get MOD's GetNewDLLFunctions!" );
//   }

   other_GiveFnptrsToDll = (GIVEFNPTRSTODLL)GetProcAddress(h_Library, "GiveFnptrsToDll");

   if (other_GiveFnptrsToDll == NULL)
   {
      // Can't find GiveFnptrsToDll!

		ALERT( at_error, "HPB_bot - Can't get MOD's GiveFnptrsToDll!" );
   }

   pengfuncsFromEngine->pfnCmd_Args = Cmd_Args;
   pengfuncsFromEngine->pfnCmd_Argv = Cmd_Argv;
   pengfuncsFromEngine->pfnCmd_Argc = Cmd_Argc;

   pengfuncsFromEngine->pfnPrecacheModel = pfnPrecacheModel;
   pengfuncsFromEngine->pfnPrecacheSound = pfnPrecacheSound;
   pengfuncsFromEngine->pfnSetModel = pfnSetModel;
   pengfuncsFromEngine->pfnModelIndex = pfnModelIndex;
   pengfuncsFromEngine->pfnModelFrames = pfnModelFrames;
   pengfuncsFromEngine->pfnSetSize = pfnSetSize;
   pengfuncsFromEngine->pfnChangeLevel = pfnChangeLevel;
   pengfuncsFromEngine->pfnGetSpawnParms = pfnGetSpawnParms;
   pengfuncsFromEngine->pfnSaveSpawnParms = pfnSaveSpawnParms;
   pengfuncsFromEngine->pfnVecToYaw = pfnVecToYaw;
   pengfuncsFromEngine->pfnVecToAngles = pfnVecToAngles;
   pengfuncsFromEngine->pfnMoveToOrigin = pfnMoveToOrigin;
   pengfuncsFromEngine->pfnChangeYaw = pfnChangeYaw;
   pengfuncsFromEngine->pfnChangePitch = pfnChangePitch;
   pengfuncsFromEngine->pfnFindEntityByString = pfnFindEntityByString;
   pengfuncsFromEngine->pfnGetEntityIllum = pfnGetEntityIllum;
   pengfuncsFromEngine->pfnFindEntityInSphere = pfnFindEntityInSphere;
   pengfuncsFromEngine->pfnFindClientInPVS = pfnFindClientInPVS;
   pengfuncsFromEngine->pfnEntitiesInPVS = pfnEntitiesInPVS;
   pengfuncsFromEngine->pfnMakeVectors = pfnMakeVectors;
   pengfuncsFromEngine->pfnAngleVectors = pfnAngleVectors;
   pengfuncsFromEngine->pfnCreateEntity = pfnCreateEntity;
   pengfuncsFromEngine->pfnRemoveEntity = pfnRemoveEntity;
   pengfuncsFromEngine->pfnCreateNamedEntity = pfnCreateNamedEntity;
   pengfuncsFromEngine->pfnMakeStatic = pfnMakeStatic;
   pengfuncsFromEngine->pfnEntIsOnFloor = pfnEntIsOnFloor;
   pengfuncsFromEngine->pfnDropToFloor = pfnDropToFloor;
   pengfuncsFromEngine->pfnWalkMove = pfnWalkMove;
   pengfuncsFromEngine->pfnSetOrigin = pfnSetOrigin;
   pengfuncsFromEngine->pfnEmitSound = pfnEmitSound;
   pengfuncsFromEngine->pfnEmitAmbientSound = pfnEmitAmbientSound;
   pengfuncsFromEngine->pfnTraceLine = pfnTraceLine;
   pengfuncsFromEngine->pfnTraceToss = pfnTraceToss;
   pengfuncsFromEngine->pfnTraceMonsterHull = pfnTraceMonsterHull;
   pengfuncsFromEngine->pfnTraceHull = pfnTraceHull;
   pengfuncsFromEngine->pfnTraceModel = pfnTraceModel;
   pengfuncsFromEngine->pfnTraceTexture = pfnTraceTexture;
   pengfuncsFromEngine->pfnTraceSphere = pfnTraceSphere;
   pengfuncsFromEngine->pfnGetAimVector = pfnGetAimVector;
   pengfuncsFromEngine->pfnServerCommand = pfnServerCommand;
   pengfuncsFromEngine->pfnServerExecute = pfnServerExecute;

   pengfuncsFromEngine->pfnClientCommand = pfnClientCommand;

   pengfuncsFromEngine->pfnParticleEffect = pfnParticleEffect;
   pengfuncsFromEngine->pfnLightStyle = pfnLightStyle;
   pengfuncsFromEngine->pfnDecalIndex = pfnDecalIndex;
   pengfuncsFromEngine->pfnPointContents = pfnPointContents;
   pengfuncsFromEngine->pfnMessageBegin = pfnMessageBegin;
   pengfuncsFromEngine->pfnMessageEnd = pfnMessageEnd;
   pengfuncsFromEngine->pfnWriteByte = pfnWriteByte;
   pengfuncsFromEngine->pfnWriteChar = pfnWriteChar;
   pengfuncsFromEngine->pfnWriteShort = pfnWriteShort;
   pengfuncsFromEngine->pfnWriteLong = pfnWriteLong;
   pengfuncsFromEngine->pfnWriteAngle = pfnWriteAngle;
   pengfuncsFromEngine->pfnWriteCoord = pfnWriteCoord;
   pengfuncsFromEngine->pfnWriteString = pfnWriteString;
   pengfuncsFromEngine->pfnWriteEntity = pfnWriteEntity;
   pengfuncsFromEngine->pfnCVarRegister = pfnCVarRegister;
   pengfuncsFromEngine->pfnCVarGetFloat = pfnCVarGetFloat;
   pengfuncsFromEngine->pfnCVarGetString = pfnCVarGetString;
   pengfuncsFromEngine->pfnCVarSetFloat = pfnCVarSetFloat;
   pengfuncsFromEngine->pfnCVarSetString = pfnCVarSetString;
   pengfuncsFromEngine->pfnPvAllocEntPrivateData = pfnPvAllocEntPrivateData;
   pengfuncsFromEngine->pfnPvEntPrivateData = pfnPvEntPrivateData;
   pengfuncsFromEngine->pfnFreeEntPrivateData = pfnFreeEntPrivateData;
   pengfuncsFromEngine->pfnSzFromIndex = pfnSzFromIndex;
   pengfuncsFromEngine->pfnAllocString = pfnAllocString;
   pengfuncsFromEngine->pfnGetVarsOfEnt = pfnGetVarsOfEnt;
   pengfuncsFromEngine->pfnPEntityOfEntOffset = pfnPEntityOfEntOffset;
   pengfuncsFromEngine->pfnEntOffsetOfPEntity = pfnEntOffsetOfPEntity;
   pengfuncsFromEngine->pfnIndexOfEdict = pfnIndexOfEdict;
   pengfuncsFromEngine->pfnPEntityOfEntIndex = pfnPEntityOfEntIndex;
   pengfuncsFromEngine->pfnFindEntityByVars = pfnFindEntityByVars;
   pengfuncsFromEngine->pfnGetModelPtr = pfnGetModelPtr;
   pengfuncsFromEngine->pfnRegUserMsg = pfnRegUserMsg;
   pengfuncsFromEngine->pfnAnimationAutomove = pfnAnimationAutomove;
   pengfuncsFromEngine->pfnGetBonePosition = pfnGetBonePosition;
   pengfuncsFromEngine->pfnFunctionFromName = pfnFunctionFromName;
   pengfuncsFromEngine->pfnNameForFunction = pfnNameForFunction;
   pengfuncsFromEngine->pfnClientPrintf = pfnClientPrintf;
   pengfuncsFromEngine->pfnServerPrint = pfnServerPrint;
   pengfuncsFromEngine->pfnGetAttachment = pfnGetAttachment;
   pengfuncsFromEngine->pfnCRC32_Init = pfnCRC32_Init;
   pengfuncsFromEngine->pfnCRC32_ProcessBuffer = pfnCRC32_ProcessBuffer;
   pengfuncsFromEngine->pfnCRC32_ProcessByte = pfnCRC32_ProcessByte;
   pengfuncsFromEngine->pfnCRC32_Final = pfnCRC32_Final;
   pengfuncsFromEngine->pfnRandomLong = pfnRandomLong;
   pengfuncsFromEngine->pfnRandomFloat = pfnRandomFloat;
   pengfuncsFromEngine->pfnSetView = pfnSetView;
   pengfuncsFromEngine->pfnTime = pfnTime;
   pengfuncsFromEngine->pfnCrosshairAngle = pfnCrosshairAngle;
   pengfuncsFromEngine->pfnLoadFileForMe = pfnLoadFileForMe;
   pengfuncsFromEngine->pfnFreeFile = pfnFreeFile;
   pengfuncsFromEngine->pfnEndSection = pfnEndSection;
   pengfuncsFromEngine->pfnCompareFileTime = pfnCompareFileTime;
   pengfuncsFromEngine->pfnGetGameDir = pfnGetGameDir;
   pengfuncsFromEngine->pfnCvar_RegisterVariable = pfnCvar_RegisterVariable;
   pengfuncsFromEngine->pfnFadeClientVolume = pfnFadeClientVolume;
   pengfuncsFromEngine->pfnSetClientMaxspeed = pfnSetClientMaxspeed;
   pengfuncsFromEngine->pfnCreateFakeClient = pfnCreateFakeClient;
   pengfuncsFromEngine->pfnRunPlayerMove = pfnRunPlayerMove;
   pengfuncsFromEngine->pfnNumberOfEntities = pfnNumberOfEntities;
   pengfuncsFromEngine->pfnGetInfoKeyBuffer = pfnGetInfoKeyBuffer;
   pengfuncsFromEngine->pfnInfoKeyValue = pfnInfoKeyValue;
   pengfuncsFromEngine->pfnSetKeyValue = pfnSetKeyValue;
   pengfuncsFromEngine->pfnSetClientKeyValue = pfnSetClientKeyValue;
   pengfuncsFromEngine->pfnIsMapValid = pfnIsMapValid;
   pengfuncsFromEngine->pfnStaticDecal = pfnStaticDecal;
   pengfuncsFromEngine->pfnPrecacheGeneric = pfnPrecacheGeneric;
   pengfuncsFromEngine->pfnGetPlayerUserId = pfnGetPlayerUserId;
   pengfuncsFromEngine->pfnBuildSoundMsg = pfnBuildSoundMsg;
   pengfuncsFromEngine->pfnIsDedicatedServer = pfnIsDedicatedServer;
   pengfuncsFromEngine->pfnCVarGetPointer = pfnCVarGetPointer;
   pengfuncsFromEngine->pfnGetPlayerWONId = pfnGetPlayerWONId;

   // give the engine functions to the other DLL...
   (*other_GiveFnptrsToDll)(pengfuncsFromEngine, pGlobals);
}