amxmodx/dlls/ns/MessageHandler.cpp

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/* AMX Mod X
* Natural Selection Module
*
* by the AMX Mod X Development Team
*
* This file is part of AMX Mod X.
*
*
* 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.
*/
/* This file contains the initialization routine and message hooks
* for the message handler. Note that all of the message hooks
* except for MessageBegin_Post are NOT hooked unless the gameDLL
* is sending a message we care about.
*/
#include "sdk/amxxmodule.h"
#include "ns.h"
#include "utilfunctions.h"
#include "GameManager.h"
#include "MessageHandler.h"
MessageHandler *MessageLists[256];
MessageHandler *HookedMessage;
bool MessageHandler_Initialized=false;
// This is called through ServerActivate_Post
void Initialize_MessageHandler(void)
{
if (MessageHandler_Initialized)
{
return;
}
MessageHandler_Initialized=true;
int i=0;
while (i<255)
{
MessageLists[i++]=NULL;
};
// Hook our messages
int index;
index=GET_USER_MSG_ID(&Plugin_info,"Countdown",NULL);
if (index)
{
MessageLists[index]=new MessageCountDown;
}
index=GET_USER_MSG_ID(&Plugin_info,"GameStatus",NULL);
if (index)
{
MessageLists[index]=new MessageGameStatus;
}
#if 0
index=GET_USER_MSG_ID(&Plugin_info,"Particles",NULL);
if (index)
{
MessageLists[index]=new MessageDebug;
}
#endif
// Start hooking messagebegin_post
g_pengfuncsTable_Post->pfnMessageBegin=MessageBegin_Post;
};
void MessageBegin_Post(int msg_dest, int msg_type, const float *pOrigin, edict_t *ed)
{
// Sanity check, should never matter
if (msg_type < 0 || msg_type > 255)
{
RETURN_META(MRES_IGNORED);
}
// Has a hooked message?
if (MessageLists[msg_type]!=NULL)
{
// Should this message be hooked?
if (MessageLists[msg_type]->Begin(msg_dest,msg_type,pOrigin,ed)==1)
{
// This message is going to all be hooked
// save pointer to our class
HookedMessage=MessageLists[msg_type];
// Tell metamod to forward
g_pengfuncsTable_Post->pfnWriteByte=WriteByte_Post;
g_pengfuncsTable_Post->pfnWriteChar=WriteChar_Post;
g_pengfuncsTable_Post->pfnWriteShort=WriteShort_Post;
g_pengfuncsTable_Post->pfnWriteLong=WriteLong_Post;
g_pengfuncsTable_Post->pfnWriteAngle=WriteAngle_Post;
g_pengfuncsTable_Post->pfnWriteCoord=WriteCoord_Post;
g_pengfuncsTable_Post->pfnWriteString=WriteString_Post;
g_pengfuncsTable_Post->pfnWriteEntity=WriteEntity_Post;
g_pengfuncsTable_Post->pfnMessageEnd=MessageEnd_Post;
}
}
RETURN_META(MRES_IGNORED);
}
void MessageEnd_Post(void)
{
HookedMessage->End();
HookedMessage=NULL;
// Stop metamod forwarding
g_pengfuncsTable_Post->pfnWriteByte=NULL;
g_pengfuncsTable_Post->pfnWriteChar=NULL;
g_pengfuncsTable_Post->pfnWriteShort=NULL;
g_pengfuncsTable_Post->pfnWriteLong=NULL;
g_pengfuncsTable_Post->pfnWriteAngle=NULL;
g_pengfuncsTable_Post->pfnWriteCoord=NULL;
g_pengfuncsTable_Post->pfnWriteString=NULL;
g_pengfuncsTable_Post->pfnWriteEntity=NULL;
g_pengfuncsTable_Post->pfnMessageEnd=NULL;
RETURN_META(MRES_IGNORED);
};
void WriteByte_Post(int iValue)
{
HookedMessage->WriteByte(iValue);
RETURN_META(MRES_IGNORED);
};
void WriteChar_Post(int iValue)
{
HookedMessage->WriteChar(iValue);
RETURN_META(MRES_IGNORED);
};
void WriteShort_Post(int iValue)
{
HookedMessage->WriteShort(iValue);
RETURN_META(MRES_IGNORED);
};
void WriteLong_Post(int iValue)
{
HookedMessage->WriteLong(iValue);
RETURN_META(MRES_IGNORED);
};
void WriteAngle_Post(float flValue)
{
HookedMessage->WriteAngle(flValue);
RETURN_META(MRES_IGNORED);
};
void WriteCoord_Post(float flValue)
{
HookedMessage->WriteCoord(flValue);
RETURN_META(MRES_IGNORED);
};
void WriteString_Post(const char *sz)
{
HookedMessage->WriteString(sz);
RETURN_META(MRES_IGNORED);
};
void WriteEntity_Post(int iValue)
{
HookedMessage->WriteEntity(iValue);
RETURN_META(MRES_IGNORED);
};