p_hud.c

Go to the documentation of this file.

/*
Copyright (C) 1997-2001 Id Software, Inc.
Copyright (C) 2018-2019 Krzysztof Kondrak
 
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.
 
*/
#include "g_local.h"
 
 
 
/*
======================================================================
 
INTERMISSION
 
======================================================================
*/
 
void MoveClientToIntermission (edict_t *ent)
{
    if (deathmatch->value || coop->value)
        ent->client->showscores = true;
    VectorCopy (level.intermission_origin, ent->s.origin);
    ent->client->ps.pmove.origin[0] = level.intermission_origin[0]*8;
    ent->client->ps.pmove.origin[1] = level.intermission_origin[1]*8;
    ent->client->ps.pmove.origin[2] = level.intermission_origin[2]*8;
    VectorCopy (level.intermission_angle, ent->client->ps.viewangles);
    ent->client->ps.pmove.pm_type = PM_FREEZE;
    ent->client->ps.gunindex = 0;
    ent->client->ps.blend[3] = 0;
    ent->client->ps.rdflags &= ~RDF_UNDERWATER;
 
    // clean up powerup info
    ent->client->quad_framenum = 0;
    ent->client->invincible_framenum = 0;
    ent->client->breather_framenum = 0;
    ent->client->enviro_framenum = 0;
    ent->client->grenade_blew_up = false;
    ent->client->grenade_time = 0;
 
    ent->viewheight = 0;
    ent->s.modelindex = 0;
    ent->s.modelindex2 = 0;
    ent->s.modelindex3 = 0;
    ent->s.modelindex = 0;
    ent->s.effects = 0;
    ent->s.sound = 0;
    ent->solid = SOLID_NOT;
 
    // add the layout
 
    if (deathmatch->value || coop->value)
    {
        DeathmatchScoreboardMessage (ent, NULL);
        gi.unicast (ent, true);
    }
 
}
 
void BeginIntermission (edict_t *targ)
{
    int     i, n;
    edict_t *ent, *client;
 
    if (level.intermissiontime)
        return;     // already activated
 
    game.autosaved = false;
 
    // respawn any dead clients
    for (i=0 ; i<maxclients->value ; i++)
    {
        client = g_edicts + 1 + i;
        if (!client->inuse)
            continue;
        if (client->health <= 0)
            respawn(client);
    }
 
    level.intermissiontime = level.time;
    level.changemap = targ->map;
 
    if (strstr(level.changemap, "*"))
    {
        if (coop->value)
        {
            for (i=0 ; i<maxclients->value ; i++)
            {
                client = g_edicts + 1 + i;
                if (!client->inuse)
                    continue;
                // strip players of all keys between units
                for (n = 0; n < MAX_ITEMS; n++)
                {
                    if (itemlist[n].flags & IT_KEY)
                        client->client->pers.inventory[n] = 0;
                }
            }
        }
    }
    else
    {
        if (!deathmatch->value)
        {
            level.exitintermission = 1;     // go immediately to the next level
            return;
        }
    }
 
    level.exitintermission = 0;
 
    // find an intermission spot
    ent = G_Find (NULL, FOFS(classname), "info_player_intermission");
    if (!ent)
    {   // the map creator forgot to put in an intermission point...
        ent = G_Find (NULL, FOFS(classname), "info_player_start");
        if (!ent)
            ent = G_Find (NULL, FOFS(classname), "info_player_deathmatch");
    }
    else
    {   // chose one of four spots
        i = rand() & 3;
        while (i--)
        {
            ent = G_Find (ent, FOFS(classname), "info_player_intermission");
            if (!ent)   // wrap around the list
                ent = G_Find (ent, FOFS(classname), "info_player_intermission");
        }
    }
 
    VectorCopy (ent->s.origin, level.intermission_origin);
    VectorCopy (ent->s.angles, level.intermission_angle);
 
    // move all clients to the intermission point
    for (i=0 ; i<maxclients->value ; i++)
    {
        client = g_edicts + 1 + i;
        if (!client->inuse)
            continue;
        MoveClientToIntermission (client);
    }
}
 
 
/*
==================
DeathmatchScoreboardMessage
 
==================
*/
void DeathmatchScoreboardMessage (edict_t *ent, edict_t *killer)
{
    char    entry[1024];
    char    string[1400];
    int     stringlength;
    int     i, j, k;
    int     sorted[MAX_CLIENTS];
    int     sortedscores[MAX_CLIENTS];
    int     score, total;
    int     picnum;
    int     x, y;
    gclient_t   *cl;
    edict_t     *cl_ent;
    char    *tag;
 
    // sort the clients by score
    total = 0;
    for (i=0 ; i<game.maxclients ; i++)
    {
        cl_ent = g_edicts + 1 + i;
        if (!cl_ent->inuse || game.clients[i].resp.spectator)
            continue;
        score = game.clients[i].resp.score;
        for (j=0 ; j<total ; j++)
        {
            if (score > sortedscores[j])
                break;
        }
        for (k=total ; k>j ; k--)
        {
            sorted[k] = sorted[k-1];
            sortedscores[k] = sortedscores[k-1];
        }
        sorted[j] = i;
        sortedscores[j] = score;
        total++;
    }
 
    // print level name and exit rules
    string[0] = 0;
 
    stringlength = (int)strlen(string);
 
    // add the clients in sorted order
    if (total > 12)
        total = 12;
 
    for (i=0 ; i<total ; i++)
    {
        cl = &game.clients[sorted[i]];
        cl_ent = g_edicts + 1 + sorted[i];
 
        picnum = gi.imageindex ("i_fixme");
        x = (i>=6) ? 160 : 0;
        y = 32 + 32 * (i%6);
 
        // add a dogtag
        if (cl_ent == ent)
            tag = "tag1";
        else if (cl_ent == killer)
            tag = "tag2";
        else
            tag = NULL;
        if (tag)
        {
            Com_sprintf (entry, sizeof(entry),
                "xv %i yv %i picn %s ",x+32, y, tag);
            j = (int)strlen(entry);
            if (stringlength + j > 1024)
                break;
            strcpy (string + stringlength, entry);
            stringlength += j;
        }
 
        // send the layout
        Com_sprintf (entry, sizeof(entry),
            "client %i %i %i %i %i %i ",
            x, y, sorted[i], cl->resp.score, cl->ping, (level.framenum - cl->resp.enterframe)/600);
        j = (int)strlen(entry);
        if (stringlength + j > 1024)
            break;
        strcpy (string + stringlength, entry);
        stringlength += j;
    }
 
    gi.WriteByte (svc_layout);
    gi.WriteString (string);
}
 
 
/*
==================
DeathmatchScoreboard
 
Draw instead of help message.
Note that it isn't that hard to overflow the 1400 byte message limit!
==================
*/
void DeathmatchScoreboard (edict_t *ent)
{
    DeathmatchScoreboardMessage (ent, ent->enemy);
    gi.unicast (ent, true);
}
 
 
/*
==================
Cmd_Score_f
 
Display the scoreboard
==================
*/
void Cmd_Score_f (edict_t *ent)
{
    ent->client->showinventory = false;
    ent->client->showhelp = false;
 
    if (!deathmatch->value && !coop->value)
        return;
 
    if (ent->client->showscores)
    {
        ent->client->showscores = false;
        return;
    }
 
    ent->client->showscores = true;
    DeathmatchScoreboard (ent);
}
 
 
/*
==================
HelpComputer
 
Draw help computer.
==================
*/
void HelpComputer (edict_t *ent)
{
    char    string[1024];
    char    *sk;
 
    if (skill->value == 0)
        sk = "easy";
    else if (skill->value == 1)
        sk = "medium";
    else if (skill->value == 2)
        sk = "hard";
    else
        sk = "hard+";
 
    // send the layout
    Com_sprintf (string, sizeof(string),
        "xv 32 yv 8 picn help "         // background
        "xv 202 yv 12 string2 \"%s\" "      // skill
        "xv 0 yv 24 cstring2 \"%s\" "       // level name
        "xv 0 yv 54 cstring2 \"%s\" "       // help 1
        "xv 0 yv 110 cstring2 \"%s\" "      // help 2
        "xv 50 yv 164 string2 \" kills     goals    secrets\" "
        "xv 50 yv 172 string2 \"%3i/%3i     %i/%i       %i/%i\" ", 
        sk,
        level.level_name,
        game.helpmessage1,
        game.helpmessage2,
        level.killed_monsters, level.total_monsters, 
        level.found_goals, level.total_goals,
        level.found_secrets, level.total_secrets);
 
    gi.WriteByte (svc_layout);
    gi.WriteString (string);
    gi.unicast (ent, true);
}
 
 
/*
==================
Cmd_Help_f
 
Display the current help message
==================
*/
void Cmd_Help_f (edict_t *ent)
{
    // this is for backwards compatability
    if (deathmatch->value)
    {
        Cmd_Score_f (ent);
        return;
    }
 
    ent->client->showinventory = false;
    ent->client->showscores = false;
 
    if (ent->client->showhelp && (ent->client->pers.game_helpchanged == game.helpchanged))
    {
        ent->client->showhelp = false;
        return;
    }
 
    ent->client->showhelp = true;
    ent->client->pers.helpchanged = 0;
    HelpComputer (ent);
}
 
 
//=======================================================================
 
/*
===============
G_SetStats
===============
*/
void G_SetStats (edict_t *ent)
{
    gitem_t     *item;
    int         index = 0, cells = 0;
    int         power_armor_type;
 
    //
    // health
    //
    ent->client->ps.stats[STAT_HEALTH_ICON] = level.pic_health;
    ent->client->ps.stats[STAT_HEALTH] = ent->health;
 
    //
    // ammo
    //
    if (!ent->client->ammo_index /* || !ent->client->pers.inventory[ent->client->ammo_index] */)
    {
        ent->client->ps.stats[STAT_AMMO_ICON] = 0;
        ent->client->ps.stats[STAT_AMMO] = 0;
    }
    else
    {
        item = &itemlist[ent->client->ammo_index];
        ent->client->ps.stats[STAT_AMMO_ICON] = gi.imageindex (item->icon);
        ent->client->ps.stats[STAT_AMMO] = ent->client->pers.inventory[ent->client->ammo_index];
    }
    
    //
    // armor
    //
    power_armor_type = PowerArmorType (ent);
    if (power_armor_type)
    {
        cells = ent->client->pers.inventory[ITEM_INDEX(FindItem ("cells"))];
        if (cells == 0)
        {   // ran out of cells for power armor
            ent->flags &= ~FL_POWER_ARMOR;
            gi.sound(ent, CHAN_ITEM, gi.soundindex("misc/power2.wav"), 1, ATTN_NORM, 0);
            power_armor_type = 0;;
        }
    }
 
    index = ArmorIndex (ent);
    if (power_armor_type && (!index || (level.framenum & 8) ) )
    {   // flash between power armor and other armor icon
        ent->client->ps.stats[STAT_ARMOR_ICON] = gi.imageindex ("i_powershield");
        ent->client->ps.stats[STAT_ARMOR] = cells;
    }
    else if (index)
    {
        item = GetItemByIndex (index);
        ent->client->ps.stats[STAT_ARMOR_ICON] = gi.imageindex (item->icon);
        ent->client->ps.stats[STAT_ARMOR] = ent->client->pers.inventory[index];
    }
    else
    {
        ent->client->ps.stats[STAT_ARMOR_ICON] = 0;
        ent->client->ps.stats[STAT_ARMOR] = 0;
    }
 
    //
    // pickup message
    //
    if (level.time > ent->client->pickup_msg_time)
    {
        ent->client->ps.stats[STAT_PICKUP_ICON] = 0;
        ent->client->ps.stats[STAT_PICKUP_STRING] = 0;
    }
 
    //
    // timers
    //
    if (ent->client->quad_framenum > level.framenum)
    {
        ent->client->ps.stats[STAT_TIMER_ICON] = gi.imageindex ("p_quad");
        ent->client->ps.stats[STAT_TIMER] = (ent->client->quad_framenum - level.framenum)/10;
    }
    else if (ent->client->invincible_framenum > level.framenum)
    {
        ent->client->ps.stats[STAT_TIMER_ICON] = gi.imageindex ("p_invulnerability");
        ent->client->ps.stats[STAT_TIMER] = (ent->client->invincible_framenum - level.framenum)/10;
    }
    else if (ent->client->enviro_framenum > level.framenum)
    {
        ent->client->ps.stats[STAT_TIMER_ICON] = gi.imageindex ("p_envirosuit");
        ent->client->ps.stats[STAT_TIMER] = (ent->client->enviro_framenum - level.framenum)/10;
    }
    else if (ent->client->breather_framenum > level.framenum)
    {
        ent->client->ps.stats[STAT_TIMER_ICON] = gi.imageindex ("p_rebreather");
        ent->client->ps.stats[STAT_TIMER] = (ent->client->breather_framenum - level.framenum)/10;
    }
    else
    {
        ent->client->ps.stats[STAT_TIMER_ICON] = 0;
        ent->client->ps.stats[STAT_TIMER] = 0;
    }
 
    //
    // selected item
    //
    if (ent->client->pers.selected_item == -1)
        ent->client->ps.stats[STAT_SELECTED_ICON] = 0;
    else
        ent->client->ps.stats[STAT_SELECTED_ICON] = gi.imageindex (itemlist[ent->client->pers.selected_item].icon);
 
    ent->client->ps.stats[STAT_SELECTED_ITEM] = ent->client->pers.selected_item;
 
    //
    // layouts
    //
    ent->client->ps.stats[STAT_LAYOUTS] = 0;
 
    if (deathmatch->value)
    {
        if (ent->client->pers.health <= 0 || level.intermissiontime
            || ent->client->showscores)
            ent->client->ps.stats[STAT_LAYOUTS] |= 1;
        if (ent->client->showinventory && ent->client->pers.health > 0)
            ent->client->ps.stats[STAT_LAYOUTS] |= 2;
    }
    else
    {
        if (ent->client->showscores || ent->client->showhelp)
            ent->client->ps.stats[STAT_LAYOUTS] |= 1;
        if (ent->client->showinventory && ent->client->pers.health > 0)
            ent->client->ps.stats[STAT_LAYOUTS] |= 2;
    }
 
    //
    // frags
    //
    ent->client->ps.stats[STAT_FRAGS] = ent->client->resp.score;
 
    //
    // help icon / current weapon if not shown
    //
    if (ent->client->pers.helpchanged && (level.framenum&8) )
        ent->client->ps.stats[STAT_HELPICON] = gi.imageindex ("i_help");
    else if ( (ent->client->pers.hand == CENTER_HANDED)
        && ent->client->pers.weapon)
        ent->client->ps.stats[STAT_HELPICON] = gi.imageindex (ent->client->pers.weapon->icon);
    else
        ent->client->ps.stats[STAT_HELPICON] = 0;
 
    ent->client->ps.stats[STAT_SPECTATOR] = 0;
}
 
/*
===============
G_CheckChaseStats
===============
*/
void G_CheckChaseStats (edict_t *ent)
{
    int i;
    gclient_t *cl;
 
    for (i = 1; i <= maxclients->value; i++) {
        cl = g_edicts[i].client;
        if (!g_edicts[i].inuse || cl->chase_target != ent)
            continue;
        memcpy(cl->ps.stats, ent->client->ps.stats, sizeof(cl->ps.stats));
        G_SetSpectatorStats(g_edicts + i);
    }
}
 
/*
===============
G_SetSpectatorStats
===============
*/
void G_SetSpectatorStats (edict_t *ent)
{
    gclient_t *cl = ent->client;
 
    if (!cl->chase_target)
        G_SetStats (ent);
 
    cl->ps.stats[STAT_SPECTATOR] = 1;
 
    // layouts are independant in spectator
    cl->ps.stats[STAT_LAYOUTS] = 0;
    if (cl->pers.health <= 0 || level.intermissiontime || cl->showscores)
        cl->ps.stats[STAT_LAYOUTS] |= 1;
    if (cl->showinventory && cl->pers.health > 0)
        cl->ps.stats[STAT_LAYOUTS] |= 2;
 
    if (cl->chase_target && cl->chase_target->inuse)
        cl->ps.stats[STAT_CHASE] = CS_PLAYERSKINS + 
            (cl->chase_target - g_edicts) - 1;
    else
        cl->ps.stats[STAT_CHASE] = 0;
}