src/game/g_nethandler.pas

   1 (* Copyright (C)  Doom 2D: Forever Developers
   2  *
   3  * This program is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, version 3 of the License ONLY.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14  *)
  15 {$INCLUDE ../shared/a_modes.inc}
  16 unit g_nethandler;
  17
  18 interface
  19
  20 uses e_msg, g_net, g_netmsg, ENet;
  21
  22 type
  23   TNetClientMsgHandler = function (M: TMsg): Boolean;
  24   TNetHostMsgHandler = function (S: pTNetClient; M: TMsg): Boolean;
  25
  26 procedure g_Net_Client_HandlePacket(P: pENetPacket; Handler: TNetClientMsgHandler);
  27 procedure g_Net_Host_HandlePacket(S: pTNetClient; P: pENetPacket; Handler: TNetHostMsgHandler);
  28
  29 function g_Net_ClientMsgHandler(NetMsg: TMsg): Boolean;
  30 function g_Net_ClientLightMsgHandler(NetMsg: TMsg): Boolean;
  31 function g_Net_HostMsgHandler(S: pTNetClient; NetMsg: TMsg): Boolean;
  32
  33 implementation
  34
  35 uses sysutils, g_console;
  36
  37 procedure g_Net_Client_HandlePacket(P: pENetPacket; Handler: TNetClientMsgHandler);
  38 var
  39   MNext: Integer;
  40   MSize: LongWord;
  41   MHandled: Boolean = false;
  42   NetMsg: TMsg;
  43 begin
  44   if not NetMsg.Init(P^.data, P^.dataLength, True) then
  45     Exit;
  46
  47   MNext := 0;
  48
  49   while NetMsg.BytesLeft() > 0 do
  50   begin
  51     MSize := NetMsg.ReadLongWord();
  52     MNext := NetMsg.ReadCount + MSize;
  53     MHandled := Handler(NetMsg); // TODO: maybe do something with this bool
  54     NetMsg.Seek(MNext);
  55   end;
  56
  57   MHandled := not MHandled; //k8: stfu, fpc!
  58
  59   enet_packet_destroy(P);
  60 end;
  61
  62 procedure g_Net_Host_HandlePacket(S: pTNetClient; P: pENetPacket; Handler: TNetHostMsgHandler);
  63 var
  64   MNext: Integer;
  65   MSize: LongWord;
  66   MHandled: Boolean = false;
  67   NetMsg: TMsg;
  68 begin
  69   if not NetMsg.Init(P^.data, P^.dataLength, True) then
  70     Exit;
  71
  72   MNext := 0;
  73
  74   while NetMsg.BytesLeft() > 0 do
  75   begin
  76     MSize := NetMsg.ReadLongWord();
  77     MNext := NetMsg.ReadCount + MSize;
  78     MHandled := Handler(S, NetMsg); // TODO: maybe do something with this bool
  79     NetMsg.Seek(MNext);
  80   end;
  81
  82   MHandled := not MHandled; //k8: stfu, fpc!
  83
  84   enet_packet_destroy(P);
  85 end;
  86
  87
  88 function g_Net_ClientMsgHandler(NetMsg: TMsg): Boolean;
  89 var
  90   MID: Byte;
  91 begin
  92   Result := True;
  93   MID := NetMsg.ReadByte();
  94
  95   case MID of
  96     NET_MSG_CHAT:   MC_RECV_Chat(NetMsg);
  97     NET_MSG_GFX:    MC_RECV_Effect(NetMsg);
  98     NET_MSG_SND:    MC_RECV_Sound(NetMsg);
  99     NET_MSG_SCORE:  MC_RECV_GameStats(NetMsg);
 100     NET_MSG_COOP:   MC_RECV_CoopStats(NetMsg);
 101     NET_MSG_GEVENT: MC_RECV_GameEvent(NetMsg);
 102     NET_MSG_FLAG:   MC_RECV_FlagEvent(NetMsg);
 103     NET_MSG_GSET:   MC_RECV_GameSettings(NetMsg);
 104     NET_MSG_FLAGPOS:MC_RECV_FlagPos(NetMsg);
 105
 106     NET_MSG_PLR:    MC_RECV_PlayerCreate(NetMsg);
 107     NET_MSG_PLRPOS: MC_RECV_PlayerPos(NetMsg);
 108     NET_MSG_PLRSTA: MC_RECV_PlayerStats(NetMsg);
 109     NET_MSG_PLRDEL: MC_RECV_PlayerDelete(NetMsg);
 110     NET_MSG_PLRDMG: MC_RECV_PlayerDamage(NetMsg);
 111     NET_MSG_PLRDIE: MC_RECV_PlayerDeath(NetMsg);
 112     NET_MSG_PLRFIRE:MC_RECV_PlayerFire(NetMsg);
 113     NET_MSG_PLRSET: MC_RECV_PlayerSettings(NetMsg);
 114
 115     NET_MSG_MSPAWN: MC_RECV_MonsterSpawn(NetMsg);
 116     NET_MSG_MPOS:   MC_RECV_MonsterPos(NetMsg);
 117     NET_MSG_MSTATE: MC_RECV_MonsterState(NetMsg);
 118     NET_MSG_MSHOT:  MC_RECV_MonsterShot(NetMsg);
 119     NET_MSG_MDEL:   MC_RECV_MonsterDelete(NetMsg);
 120
 121     NET_MSG_SHADD:  MC_RECV_CreateShot(NetMsg);
 122     NET_MSG_SHPOS:  MC_RECV_UpdateShot(NetMsg);
 123     NET_MSG_SHDEL:  MC_RECV_DeleteShot(NetMsg);
 124
 125     NET_MSG_ISPAWN: MC_RECV_ItemSpawn(NetMsg);
 126     NET_MSG_IDEL:   MC_RECV_ItemDestroy(NetMsg);
 127     NET_MSG_IPOS:   MC_RECV_ItemPos(NetMsg);
 128
 129     NET_MSG_PSTATE: MC_RECV_PanelState(NetMsg);
 130     NET_MSG_PTEX:   MC_RECV_PanelTexture(NetMsg);
 131
 132     NET_MSG_TSOUND: MC_RECV_TriggerSound(NetMsg);
 133     NET_MSG_TMUSIC: MC_RECV_TriggerMusic(NetMsg);
 134
 135     NET_MSG_TIME_SYNC:  MC_RECV_TimeSync(NetMsg);
 136     NET_MSG_VOTE_EVENT: MC_RECV_VoteEvent(NetMsg);
 137
 138     else
 139     begin
 140       Result := False;
 141       g_Console_Add('unknown message ID: ' + IntToStr(MID));
 142     end;
 143   end;
 144 end;
 145
 146 function g_Net_ClientLightMsgHandler(NetMsg: TMsg): Boolean;
 147 var
 148   MID: Byte;
 149 begin
 150   Result := True;
 151   MID := NetMsg.ReadByte();
 152
 153   case MID of
 154     NET_MSG_GEVENT: MC_RECV_GameEvent(NetMsg);
 155     NET_MSG_GSET:   MC_RECV_GameSettings(NetMsg);
 156
 157     NET_MSG_PLR:    if NetState <> NET_STATE_AUTH then MC_RECV_PlayerCreate(NetMsg);
 158     NET_MSG_PLRDEL: if NetState <> NET_STATE_AUTH then MC_RECV_PlayerDelete(NetMsg);
 159
 160     else Result := False;
 161   end;
 162 end;
 163
 164 function g_Net_HostMsgHandler(S: pTNetClient; NetMsg: TMsg): Boolean;
 165 var
 166   MID: Byte;
 167 begin
 168   Result := True;
 169   MID := NetMsg.ReadByte();
 170
 171   case MID of
 172     NET_MSG_INFO: MH_RECV_Info(S, NetMsg);
 173     NET_MSG_CHAT: MH_RECV_Chat(S, NetMsg);
 174     NET_MSG_REQFST: MH_RECV_FullStateRequest(S, NetMsg);
 175
 176     NET_MSG_PLRPOS: MH_RECV_PlayerPos(S, NetMsg);
 177     NET_MSG_PLRSET: MH_RECV_PlayerSettings(S, NetMsg);
 178     NET_MSG_CHEAT:  MH_RECV_CheatRequest(S, NetMsg);
 179
 180     NET_MSG_RCON_AUTH: MH_RECV_RCONPassword(S, NetMsg);
 181     NET_MSG_RCON_CMD:  MH_RECV_RCONCommand(S, NetMsg);
 182
 183     //NET_MSG_MAP_REQUEST: MH_RECV_MapRequest(S, NetMsg);
 184     //NET_MSG_RES_REQUEST: MH_RECV_ResRequest(S, NetMsg);
 185
 186     NET_MSG_VOTE_EVENT: MH_RECV_Vote(S, NetMsg);
 187   end;
 188 end;
 189
 190 end.