ref: 098632eacf994311f735ab9ef41548dfcc23abf4
dir: /src/hexen/d_net.c/
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005-2014 Simon Howard
//
// 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.
//
// DESCRIPTION:
// DOOM Network game communication and protocol,
// all OS independend parts.
//
#include <stdlib.h>
#include "m_argv.h"
#include "i_system.h"
#include "i_timer.h"
#include "i_video.h"
#include "i_videohr.h"
#include "h2def.h"
#include "m_misc.h"
#include "p_local.h"
#include "s_sound.h"
#include "w_checksum.h"
#include "deh_main.h"
#include "d_loop.h"
ticcmd_t *netcmds;
extern void H2_DoAdvanceDemo(void);
extern void H2_ProcessEvents(void);
extern void G_BuildTiccmd(ticcmd_t *cmd, int maketic);
extern boolean G_CheckDemoStatus(void);
extern boolean demorecording;
// Called when a player leaves the game
static void PlayerQuitGame(player_t *player)
{
static char exitmsg[80];
unsigned int player_num;
player_num = player - players;
M_StringCopy(exitmsg, "PLAYER 1 LEFT THE GAME", sizeof(exitmsg));
exitmsg[7] += player_num;
P_SetMessage(&players[consoleplayer], exitmsg, true);
S_StartSound(NULL, SFX_CHAT);
playeringame[player_num] = false;
// TODO: check if it is sensible to do this:
if (demorecording)
{
G_CheckDemoStatus ();
}
}
static void RunTic(ticcmd_t *cmds, boolean *ingame)
{
extern boolean advancedemo;
unsigned int i;
// Check for player quits.
for (i = 0; i < maxplayers; ++i)
{
if (!demoplayback && playeringame[i] && !ingame[i])
{
PlayerQuitGame(&players[i]);
}
}
netcmds = cmds;
// check that there are players in the game. if not, we cannot
// run a tic.
if (advancedemo)
H2_DoAdvanceDemo ();
G_Ticker ();
}
static loop_interface_t hexen_loop_interface = {
H2_ProcessEvents,
G_BuildTiccmd,
RunTic,
MN_Ticker
};
// Load game settings from the specified structure and
// set global variables.
static void LoadGameSettings(net_gamesettings_t *settings)
{
unsigned int i;
deathmatch = settings->deathmatch;
ticdup = settings->ticdup;
startepisode = settings->episode;
startmap = settings->map;
startskill = settings->skill;
// TODO startloadgame = settings->loadgame;
lowres_turn = settings->lowres_turn;
nomonsters = settings->nomonsters;
respawnparm = settings->respawn_monsters;
consoleplayer = settings->consoleplayer;
if (lowres_turn)
{
printf("NOTE: Turning resolution is reduced; this is probably "
"because there is a client recording a Vanilla demo.\n");
}
for (i=0; i<maxplayers; ++i)
{
playeringame[i] = i < settings->num_players;
PlayerClass[i] = settings->player_classes[i];
if (PlayerClass[i] >= NUMCLASSES)
{
PlayerClass[i] = PCLASS_FIGHTER;
}
}
}
// Save the game settings from global variables to the specified
// game settings structure.
static void SaveGameSettings(net_gamesettings_t *settings)
{
// jhaley 20120715: Some parts of the structure are being left
// uninitialized. If -class is not used on the command line, this
// can lead to a crash in SB_Init due to player class == 0xCCCCCCCC.
memset(settings, 0, sizeof(*settings));
// Fill in game settings structure with appropriate parameters
// for the new game
settings->deathmatch = deathmatch;
settings->episode = startepisode;
settings->map = startmap;
settings->skill = startskill;
// TODO settings->loadgame = startloadgame;
settings->gameversion = exe_hexen_1_1;
settings->nomonsters = nomonsters;
settings->respawn_monsters = respawnparm;
settings->timelimit = 0;
settings->lowres_turn = M_ParmExists("-record")
&& !M_ParmExists("-longtics");
}
static void InitConnectData(net_connect_data_t *connect_data)
{
int i;
//
// Connect data
//
// Game type fields:
connect_data->gamemode = gamemode;
connect_data->gamemission = hexen;
// Are we recording a demo? Possibly set lowres turn mode
connect_data->lowres_turn = M_ParmExists("-record")
&& !M_ParmExists("-longtics");
connect_data->drone = false;
connect_data->max_players = maxplayers;
//!
// @category net
// @arg <n>
//
// Specify player class: 0=fighter, 1=cleric, 2=mage, 3=pig.
//
i = M_CheckParmWithArgs("-class", 1);
if (i > 0)
{
connect_data->player_class = atoi(myargv[i + 1]);
}
else
{
connect_data->player_class = PCLASS_FIGHTER;
}
// Read checksums of our WAD directory and dehacked information
W_Checksum(connect_data->wad_sha1sum);
memset(connect_data->deh_sha1sum, 0, sizeof(sha1_digest_t));
connect_data->is_freedoom = 0;
}
void D_ConnectNetGame(void)
{
net_connect_data_t connect_data;
InitConnectData(&connect_data);
netgame = D_InitNetGame(&connect_data);
//!
// @category net
//
// Start the game playing as though in a netgame with a single
// player. This can also be used to play back single player netgame
// demos.
//
if (M_CheckParm("-solo-net") > 0)
{
netgame = true;
}
}
static boolean StartupProgress(int now_ready, int total)
{
static int ready = 0;
while (ready < now_ready)
{
ST_NetProgress();
++ready;
}
ready = now_ready;
// Allow the user to hit escape during netgame startup to abort.
return !I_CheckAbortHR();
}
//
// D_CheckNetGame
// Works out player numbers among the net participants
//
void D_CheckNetGame(void)
{
net_gamesettings_t settings;
D_RegisterLoopCallbacks(&hexen_loop_interface);
if (netgame)
{
autostart = true;
}
SaveGameSettings(&settings);
D_StartNetGame(&settings, StartupProgress);
LoadGameSettings(&settings);
// Finish netgame progress on startup screen.
if (netgame)
{
StartupProgress(settings.num_players, settings.num_players);
ST_NetDone();
}
}
//==========================================================================
//
// NET_SendFrags
//
//==========================================================================
void NET_SendFrags(player_t * player)
{
// Not sure what this is intended for. Unused?
}