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;
  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   enet_packet_destroy(P);
  58 end;
  59
  60 procedure g_Net_Host_HandlePacket(S: pTNetClient; P: pENetPacket; Handler: TNetHostMsgHandler);
  61 var
  62   MNext: Integer;
  63   MSize: LongWord;
  64   MHandled: Boolean;
  65   NetMsg: TMsg;
  66 begin
  67   if not NetMsg.Init(P^.data, P^.dataLength, True) then
  68     Exit;
  69
  70   MNext := 0;
  71
  72   while NetMsg.BytesLeft() > 0 do
  73   begin
  74     MSize := NetMsg.ReadLongWord();
  75     MNext := NetMsg.ReadCount + MSize;
  76     MHandled := Handler(S, NetMsg); // TODO: maybe do something with this bool
  77     NetMsg.Seek(MNext);
  78   end;
  79
  80   enet_packet_destroy(P);
  81 end;
  82
  83
  84 function g_Net_ClientMsgHandler(NetMsg: TMsg): Boolean;
  85 var
  86   MID: Byte;
  87 begin
  88   Result := True;
  89   MID := NetMsg.ReadByte();
  90
  91   case MID of
  92     NET_MSG_CHAT:   MC_RECV_Chat(NetMsg);
  93     NET_MSG_GFX:    MC_RECV_Effect(NetMsg);
  94     NET_MSG_SND:    MC_RECV_Sound(NetMsg);
  95     NET_MSG_SCORE:  MC_RECV_GameStats(NetMsg);
  96     NET_MSG_COOP:   MC_RECV_CoopStats(NetMsg);
  97     NET_MSG_GEVENT: MC_RECV_GameEvent(NetMsg);
  98     NET_MSG_FLAG:   MC_RECV_FlagEvent(NetMsg);
  99     NET_MSG_GSET:   MC_RECV_GameSettings(NetMsg);
 100
 101     NET_MSG_PLR:    MC_RECV_PlayerCreate(NetMsg);
 102     NET_MSG_PLRPOS: MC_RECV_PlayerPos(NetMsg);
 103     NET_MSG_PLRSTA: MC_RECV_PlayerStats(NetMsg);
 104     NET_MSG_PLRDEL: MC_RECV_PlayerDelete(NetMsg);
 105     NET_MSG_PLRDMG: MC_RECV_PlayerDamage(NetMsg);
 106     NET_MSG_PLRDIE: MC_RECV_PlayerDeath(NetMsg);
 107     NET_MSG_PLRFIRE:MC_RECV_PlayerFire(NetMsg);
 108     NET_MSG_PLRSET: MC_RECV_PlayerSettings(NetMsg);
 109
 110     NET_MSG_MSPAWN: MC_RECV_MonsterSpawn(NetMsg);
 111     NET_MSG_MPOS:   MC_RECV_MonsterPos(NetMsg);
 112     NET_MSG_MSTATE: MC_RECV_MonsterState(NetMsg);
 113     NET_MSG_MSHOT:  MC_RECV_MonsterShot(NetMsg);
 114     NET_MSG_MDEL:   MC_RECV_MonsterDelete(NetMsg);
 115
 116     NET_MSG_SHADD:  MC_RECV_CreateShot(NetMsg);
 117     NET_MSG_SHPOS:  MC_RECV_UpdateShot(NetMsg);
 118     NET_MSG_SHDEL:  MC_RECV_DeleteShot(NetMsg);
 119
 120     NET_MSG_ISPAWN: MC_RECV_ItemSpawn(NetMsg);
 121     NET_MSG_IDEL:   MC_RECV_ItemDestroy(NetMsg);
 122
 123     NET_MSG_PSTATE: MC_RECV_PanelState(NetMsg);
 124     NET_MSG_PTEX:   MC_RECV_PanelTexture(NetMsg);
 125
 126     NET_MSG_TSOUND: MC_RECV_TriggerSound(NetMsg);
 127     NET_MSG_TMUSIC: MC_RECV_TriggerMusic(NetMsg);
 128
 129     NET_MSG_TIME_SYNC:  MC_RECV_TimeSync(NetMsg);
 130     NET_MSG_VOTE_EVENT: MC_RECV_VoteEvent(NetMsg);
 131
 132     else
 133     begin
 134       Result := False;
 135       g_Console_Add('unknown message ID: ' + IntToStr(MID));
 136     end;
 137   end;
 138 end;
 139
 140 function g_Net_ClientLightMsgHandler(NetMsg: TMsg): Boolean;
 141 var
 142   MID: Byte;
 143 begin
 144   Result := True;
 145   MID := NetMsg.ReadByte();
 146
 147   case MID of
 148     NET_MSG_GEVENT: MC_RECV_GameEvent(NetMsg);
 149     NET_MSG_GSET:   MC_RECV_GameSettings(NetMsg);
 150
 151     NET_MSG_PLR:    if NetState <> NET_STATE_AUTH then MC_RECV_PlayerCreate(NetMsg);
 152     NET_MSG_PLRDEL: if NetState <> NET_STATE_AUTH then MC_RECV_PlayerDelete(NetMsg);
 153
 154     else Result := False;
 155   end;
 156 end;
 157
 158 function g_Net_HostMsgHandler(S: pTNetClient; NetMsg: TMsg): Boolean;
 159 var
 160   MID: Byte;
 161 begin
 162   Result := True;
 163   MID := NetMsg.ReadByte();
 164
 165   case MID of
 166     NET_MSG_INFO: MH_RECV_Info(S, NetMsg);
 167     NET_MSG_CHAT: MH_RECV_Chat(S, NetMsg);
 168     NET_MSG_REQFST: MH_RECV_FullStateRequest(S, NetMsg);
 169
 170     NET_MSG_PLRPOS: MH_RECV_PlayerPos(S, NetMsg);
 171     NET_MSG_PLRSET: MH_RECV_PlayerSettings(S, NetMsg);
 172     NET_MSG_CHEAT:  MH_RECV_CheatRequest(S, NetMsg);
 173
 174     NET_MSG_RCON_AUTH: MH_RECV_RCONPassword(S, NetMsg);
 175     NET_MSG_RCON_CMD:  MH_RECV_RCONCommand(S, NetMsg);
 176
 177     NET_MSG_MAP_REQUEST: MH_RECV_MapRequest(S, NetMsg);
 178     NET_MSG_RES_REQUEST: MH_RECV_ResRequest(S, NetMsg);
 179
 180     NET_MSG_VOTE_EVENT: MH_RECV_Vote(S, NetMsg);
 181   end;
 182 end;
 183
 184 end.