1 files changed, 401 insertions, 0 deletions
diff --git a/src/parsec_server/e_simnetinput.cpp b/src/parsec_server/e_simnetinput.cpp
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+++ b/src/parsec_server/e_simnetinput.cpp
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+/*
+ * PARSEC - Server-side Simulator INPUT
+ *
+ * $Author: uberlinuxguy $ - $Date: 2004/09/26 03:43:46 $
+ *
+ * Orginally written by:
+ *   Copyright (c) Clemens Beer        <cbx@parsec.org>   2001-2002
+ *
+ *  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
+ */ 
+
+// C library
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+//#include <math.h>
+
+// compilation flags/debug support
+#include "config.h"
+#include "debug.h"
+
+// general definitions
+#include "general.h"
+#include "objstruc.h"
+
+// global externals
+#include "globals.h"
+
+// subsystem headers
+#include "net_defs.h"
+
+// UNP header
+#include "net_wrap.h"
+
+// server defs
+//#include "e_defs.h"
+
+// network code config
+//#include "net_conf.h"
+
+// net game header
+#include "net_game_sv.h"
+
+// mathematics header
+//#include "utl_math.h"
+
+// utility headers
+#include "utl_list.h"
+
+// local module header
+#include "e_simnetinput.h"
+
+// proprietary module headers
+#include "con_aux_sv.h"
+//#include "g_colldet.h"
+//#include "g_extra.h"
+//#include "net_csdf.h"
+#include "net_packetdriver.h"
+#include "net_stream.h"
+//#include "obj_creg.h"
+//#include "e_stats.h"
+#include "g_main_sv.h"
+#include "e_simplayerinfo.h"
+#include "e_simulator.h"
+#include "e_simnetoutput.h"
+#include "e_connmanager.h"
+#include "e_gameserver.h"
+#include "e_packethandler.h"
+//#include "e_relist.h"
+#include "sys_refframe_sv.h"
+
+
+// default ctor ---------------------------------------------------------------
+//
+E_SimNetInput::E_SimNetInput() : 
+	m_pInputREList( NULL )
+{
+}
+
+
+// default dtor ---------------------------------------------------------------
+//
+E_SimNetInput::~E_SimNetInput()
+{
+	if ( m_pInputREList != NULL )
+		m_pInputREList->Release();
+}
+
+
+// reset all data -------------------------------------------------------------
+//
+void E_SimNetInput::Reset()
+{
+	if ( m_pInputREList	!= NULL )  {
+		m_pInputREList->Release();
+	}
+	// initialize input remote event list
+	m_pInputREList = E_REList::CreateAndAddRef( (size_t)RE_LIST_MAXAVAIL * ( MAX_NUM_CLIENTS + 1 ) );
+}
+
+
+// walk the input RE list and apply events/states to simulation ---------------
+//
+void E_SimNetInput::ProcessInputREList()
+{
+	RE_Header* relist = m_pInputREList->GetData();
+       ASSERT( relist != NULL );
+
+	int nClientID = PLAYERID_ANONYMOUS;
+
+	// process remote event list
+	while ( relist->RE_Type != RE_EMPTY ) {
+
+		// determine size of the remote event
+		size_t size = E_REList::RmEvGetSize( relist );
+		
+		switch( relist->RE_Type ) {
+			case RE_OWNERSECTION:
+				// set the sender
+				nClientID = ( (RE_OwnerSection*)relist )->owner;
+				break;
+
+			case RE_CREATEEXTRA2:
+            case RE_CREATEEXTRA:
+                 MSGOUT("CREATEEXTRA Event recieved");
+                 break;
+
+			case RE_IPV4SERVERINFO:
+			case RE_SERVERLINKINFO:
+			case RE_MAPOBJECT:
+			case RE_STARGATE:
+				// invalid/already processed remote events MUST not be in the input remote event l
+				ASSERT( FALSE );
+				break;
+
+			case RE_CLIENTINFO:
+				// adjust client-info ( send/recv frequency )
+				TheConnManager->NET_ExecRmEvClientInfo( nClientID, (RE_ClientInfo*)relist );
+				break;
+
+			case RE_PLAYERSTATUS:
+				{
+					ASSERT( nClientID != PLAYERID_ANONYMOUS );
+					RE_PlayerStatus* playerstatus = (RE_PlayerStatus*)relist;
+
+					// set the desired status (joined/unjoined)
+					TheSimulator->GetSimPlayerInfo( nClientID )->SetDesiredPlayerStatus( playerstatus );
+				}
+				break;
+
+			case RE_PLAYERANDSHIPSTATUS:
+				{
+					ASSERT( nClientID != PLAYERID_ANONYMOUS );
+
+					RE_PlayerAndShipStatus* re_pas_status = (RE_PlayerAndShipStatus*)relist;
+
+					//MSGOUT( "_ParseNetInput(): RE_PLAYERANDSHIPSTATUS from %d, state %d", nClientID, re_pas_status->player_status );
+
+					// set the desired status (joined/unjoined)
+					E_SimPlayerInfo* pSimPlayerInfo = TheSimulator->GetSimPlayerInfo( nClientID );
+					pSimPlayerInfo->SetDesiredPlayerStatus( re_pas_status );
+
+					// only update player state if player is joined
+					if( pSimPlayerInfo->IsPlayerJoined() ) {
+
+						E_SimClientState*		pSimClientState = TheSimulator->GetSimClientState( nClientID );
+						NET_Stream*	pStream = ThePacketDriver->GetStream( nClientID );
+			
+						int bAcceptMovement = FALSE;
+
+						dword dwInputMessageID = pStream->GetLastInPacket();
+
+						// check absolute movement bounds
+						if ( _CheckAbsoluteMovementBounds( re_pas_status ) ) {
+
+							// check whether the movement from the last received packet to the current packet is possible
+							if ( pSimClientState->CheckMovementBounds( dwInputMessageID, re_pas_status ) ) {
+
+								// store the received state as the newest 
+								pSimClientState->StoreNewState( dwInputMessageID, re_pas_status );
+								
+								bAcceptMovement = TRUE;
+							}
+						}
+
+						// resync client if state has not been accepted
+						if ( bAcceptMovement == FALSE ) {
+
+							// this client's state differs too much from the one on the server -> resync with server
+							pSimClientState->SetClientResync();
+							MSGOUT( "SetClientResync() for client %d", nClientID );
+						}
+					}
+				}
+				break;
+			case RE_SENDTEXT:
+
+				// multicast RE to all connected clients except sender
+				//FIXME: determine, whether to send RE_SENDTEXT reliable ?
+				//FIXME: this appends a RE_OWNERSECTION for each RE we buffer 
+				//       evt. keep track of whether we already appended a RE_OWNERSECTION
+				TheSimNetOutput->BufferForMulticastRE( relist, nClientID/*, append_ownersection*/, FALSE );
+
+				break;
+
+			case RE_CREATELASER:
+				{
+					ASSERT( nClientID != PLAYERID_ANONYMOUS );
+					if ( TheSimulator->IsPlayerJoined( nClientID ) ) {
+						//FIXME: we must determine the exact time the client fired the laser ( relative to when the packet was sent )
+						TheGameInput->ActivateGun( nClientID, 0 );
+					}
+				}
+				break;
+			case RE_CREATEMISSILE:
+				{
+					ASSERT( nClientID != PLAYERID_ANONYMOUS );
+					if ( TheSimulator->IsPlayerJoined( nClientID ) ){
+						TheGameInput->LaunchMissile( nClientID, ((RE_CreateMissile *)relist)->TargetHostObjId,
+									    ((RE_CreateMissile *)relist)->ObjectClass);
+					}
+				}
+				break;
+            case RE_CREATEMINE:
+                 {
+                      ASSERT( nClientID != PLAYERID_ANONYMOUS );
+					  if ( TheSimulator->IsPlayerJoined( nClientID ) ){
+                           TheGameInput->LaunchMine( nClientID);     
+                      }
+                 }
+                 break;
+            case RE_CREATESWARM:
+            {
+                ASSERT( nClientID != PLAYERID_ANONYMOUS );
+                if ( TheSimulator->IsPlayerJoined( nClientID ) ){
+                    TheGameInput->LaunchSwarm( nClientID, ((RE_CreateSwarm *)relist)->TargetHostObjId); //Set up Sim Object
+                    TheSimNetOutput->BufferForMulticastRE( relist, nClientID, FALSE ); //Notify Clients of firing
+                }
+            }
+            case RE_WEAPONSTATE:
+            {
+               switch (((RE_WeaponState *)relist)->WeaponMask ) {
+                    case WPMASK_CANNON_LIGHTNING:
+                        if (((RE_WeaponState *) relist)->State == WPSTATE_ON )
+                            TheGameInput->ActivateGun( nClientID, 2 );
+                        else
+                            TheGameInput->DeactivateGun( nClientID, 2 );
+                        break;
+                        
+                    case WPMASK_CANNON_HELIX:
+                        if (((RE_WeaponState *) relist)->State == WPSTATE_ON )
+                            TheGameInput->ActivateGun( nClientID, 1 );
+                        else
+                            TheGameInput->DeactivateGun( nClientID, 1 );
+                        break;
+                        
+                    case WPMASK_CANNON_PHOTON:
+                        if (((RE_WeaponState *) relist)->State == WPSTATE_ON )
+                            TheGameInput->ActivateGun( nClientID, 3 );
+                        else
+                            TheGameInput->DeactivateGun( nClientID, 3 );
+                        break;
+                
+                }
+                TheSimNetOutput->BufferForMulticastRE( relist, nClientID, FALSE ); //Duration weapons are not objects, just tell the client someone has fired/stopped
+            }
+                break;
+            case RE_CREATEEMP:
+            {
+            	// Create the EMP object
+                ASSERT( nClientID != PLAYERID_ANONYMOUS );
+                if ( TheSimulator->IsPlayerJoined( nClientID ) ){
+                    TheGameInput->CreateEMP( nClientID, ((RE_CreateEmp *)relist)->Upgradelevel); //Set up Sim Object
+                    TheSimNetOutput->BufferForMulticastRE( relist, nClientID, FALSE ); //Notify Clients of firing
+                }
+
+
+            }
+            break;
+			default:
+				// we must handle all REs in this function
+				MSGOUT("UNKNOWN RE: %d received. ", relist->RE_Type);
+			//	ASSERT( FALSE ); This is broken but I dont need to kill the game over it
+				break;
+			
+		}
+		
+		// advance to next event in list
+		ASSERT( ( relist->RE_BlockSize == RE_BLOCKSIZE_INVALID ) || ( relist->RE_BlockSize == size ) );
+		relist = (RE_Header *) ( (char *) relist + size );
+	}
+
+	// clear all the input remote events
+	m_pInputREList->Clear();		
+}
+
+
+
+// handle the network input from a client ( filter out invalid events, append valid ones to the input RE list ) 
+//
+int E_SimNetInput::HandleOneClient( int nClientID, RE_Header* relist )
+{
+	ASSERT( ( nClientID >= 0 ) && ( nClientID < MAX_NUM_CLIENTS ) );
+	ASSERT( relist != NULL );
+
+	// do not handle empty remote event lists
+	if ( relist->RE_Type == RE_EMPTY ) {
+		DBGTXT( MSGOUT( "E_Simulator::HandleOneClient(): ignoring - no input" ); );
+		return FALSE;
+	}
+
+	ASSERT( ( nClientID >= 0 ) && ( nClientID < MAX_NUM_CLIENTS ) );
+	ASSERT( relist != NULL );
+
+	int nNumEventsAppended = 0;
+
+	// process remote event list
+	while ( relist->RE_Type != RE_EMPTY ) {
+
+		// determine size of the remote event
+		size_t size = E_REList::RmEvGetSize( relist );
+
+		// check whether RE is valid
+		if ( !E_REList::ValidateRE( relist, size ) ) {
+			DBGTXT( MSGOUT( "E_Simulator::_ParseNetInput(): ignoring invalid RE %d", relist->RE_Type ); );
+			continue;
+		}
+		
+		switch( relist->RE_Type ) {
+			case RE_OWNERSECTION:
+				// RE_OWNERSECTION packets are invalid from client
+				DBGTXT( MSGOUT( "WARNING: client packet from %d contained RE_OWNERSECTION", nClientID ); );
+				break;
+
+			case RE_CREATEEXTRA:
+			case RE_CREATEEXTRA2:
+                {
+				     MSGOUT( "WARNING: client packet from %d contained RE_CREATEEXTRA()", nClientID );				}
+                break;
+
+			case RE_COMMANDINFO:
+
+				//FIXME: handle RE_COMMANDINFO in normal PKTP_STREAM packets ( _Handle_COMMAND() )
+				ASSERT( FALSE );
+				break;
+
+			default:
+				{
+					// append a RE_OWNERSECTION to sender in input RE list
+					if ( nNumEventsAppended == 0 ) {
+						if ( !m_pInputREList->NET_Append_RE_OwnerSection( nClientID ) ) {
+							ASSERT( FALSE );
+							DBGTXT( MSGOUT( "E_Simulator::_ParseNetInput(): NET_Append_RE_OwnerSection failed" ); );
+						}
+					}
+
+					// append the remote event to the input RE list
+					if ( (size_t)m_pInputREList->AppendEvent( relist, size ) != size ) {
+						ASSERT( FALSE );
+						DBGTXT( MSGOUT( "E_Simulator::_ParseNetInput(): AppendEvent failed" ); );
+					}
+
+					// increase event counter
+					nNumEventsAppended++;
+				}
+				break;
+			
+		}
+	
+		// advance to next event in list
+		ASSERT( ( relist->RE_BlockSize == RE_BLOCKSIZE_INVALID ) || ( relist->RE_BlockSize == size ) );
+		relist = (RE_Header *) ( (char *) relist + size );
+	}
+
+	// dump the input RE list
+	UPDTXT2( m_pInputREList->Dump(); ); 
+
+	return TRUE;
+}
+
+// check absolute movement bounds ---------------------------------------------
+//
+int E_SimNetInput::_CheckAbsoluteMovementBounds( RE_PlayerAndShipStatus* pPAS )
+{
+	ASSERT( pPAS != NULL );
+	//FIXME: implement
+	return TRUE;
+}
+