g_cmds.c

Quake 2 Source code for students by Theerthan You can also download from idsoftwares.com

/*
Copyright (C) 1997-2001 Id Software, Inc.

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"
#include "m_player.h"


char *ClientTeam (edict_t *ent)
{
	char		*p;
	static char	value[512];

	value[0] = 0;

	if (!ent->client)
		return value;

	strcpy(value, Info_ValueForKey (ent->client->pers.userinfo, "skin"));
	p = strchr(value, '/');
	if (!p)
		return value;

	if ((int)(dmflags->value) & DF_MODELTEAMS)
	{
		*p = 0;
		return value;
	}

	// if ((int)(dmflags->value) & DF_SKINTEAMS)
	return ++p;
}

qboolean OnSameTeam (edict_t *ent1, edict_t *ent2)
{
	char	ent1Team [512];
	char	ent2Team [512];

	if (!((int)(dmflags->value) & (DF_MODELTEAMS | DF_SKINTEAMS)))
		return false;

	strcpy (ent1Team, ClientTeam (ent1));
	strcpy (ent2Team, ClientTeam (ent2));

	if (strcmp(ent1Team, ent2Team) == 0)
		return true;
	return false;
}


void SelectNextItem (edict_t *ent, int itflags)
{
	gclient_t	*cl;
	int			i, index;
	gitem_t		*it;

	cl = ent->client;

//ZOID
	if (cl->menu) {
		PMenu_Next(ent);
		return;
	} else if (cl->chase_target) {
		ChaseNext(ent);
		return;
	}
//ZOID

	// scan  for the next valid one
	for (i=1 ; i<=MAX_ITEMS ; i++)
	{
		index = (cl->pers.selected_item + i)%MAX_ITEMS;
		if (!cl->pers.inventory[index])
			continue;
		it = &itemlist[index];
		if (!it->use)
			continue;
		if (!(it->flags & itflags))
			continue;

		cl->pers.selected_item = index;
		return;
	}

	cl->pers.selected_item = -1;
}

void SelectPrevItem (edict_t *ent, int itflags)
{
	gclient_t	*cl;
	int			i, index;
	gitem_t		*it;

	cl = ent->client;

//ZOID
	if (cl->menu) {
		PMenu_Prev(ent);
		return;
	} else if (cl->chase_target) {
		ChasePrev(ent);
		return;
	}
//ZOID

	// scan  for the next valid one
	for (i=1 ; i<=MAX_ITEMS ; i++)
	{
		index = (cl->pers.selected_item + MAX_ITEMS - i)%MAX_ITEMS;
		if (!cl->pers.inventory[index])
			continue;
		it = &itemlist[index];
		if (!it->use)
			continue;
		if (!(it->flags & itflags))
			continue;

		cl->pers.selected_item = index;
		return;
	}

	cl->pers.selected_item = -1;
}

void ValidateSelectedItem (edict_t *ent)
{
	gclient_t	*cl;

	cl = ent->client;

	if (cl->pers.inventory[cl->pers.selected_item])
		return;		// valid

	SelectNextItem (ent, -1);
}


//=================================================================================

/*
==================
Cmd_Give_f

Give items to a client
==================
*/
void Cmd_Give_f (edict_t *ent)
{
	char		*name;
	gitem_t		*it;
	int			index;
	int			i;
	qboolean	give_all;
	edict_t		*it_ent;

	if (deathmatch->value && !sv_cheats->value)
	{
		gi.cprintf (ent, PRINT_HIGH, "You must run the server with '+set cheats 1' to enable this command.\n");
		return;
	}

	name = gi.args();

	if (Q_stricmp(name, "all") == 0)
		give_all = true;
	else
		give_all = false;

	if (give_all || Q_stricmp(gi.argv(1), "health") == 0)
	{
		if (gi.argc() == 3)
			ent->health = atoi(gi.argv(2));
		else
			ent->health = ent->max_health;
		if (!give_all)
			return;
	}

	if (give_all || Q_stricmp(name, "weapons") == 0)
	{
		for (i=0 ; i<game.num_items ; i++)
		{
			it = itemlist + i;
			if (!it->pickup)
				continue;
			if (!(it->flags & IT_WEAPON))
				continue;
			ent->client->pers.inventory[i] += 1;
		}
		if (!give_all)
			return;
	}

	if (give_all || Q_stricmp(name, "ammo") == 0)
	{
		for (i=0 ; i<game.num_items ; i++)
		{
			it = itemlist + i;
			if (!it->pickup)
				continue;
			if (!(it->flags & IT_AMMO))
				continue;
			Add_Ammo (ent, it, 1000);
		}
		if (!give_all)
			return;
	}

	if (give_all || Q_stricmp(name, "armor") == 0)
	{
		gitem_armor_t	*info;

		it = FindItem("Jacket Armor");
		ent->client->pers.inventory[ITEM_INDEX(it)] = 0;

		it = FindItem("Combat Armor");
		ent->client->pers.inventory[ITEM_INDEX(it)] = 0;

		it = FindItem("Body Armor");
		info = (gitem_armor_t *)it->info;
		ent->client->pers.inventory[ITEM_INDEX(it)] = info->max_count;

		if (!give_all)
			return;
	}

	if (give_all || Q_stricmp(name, "Power Shield") == 0)
	{
		it = FindItem("Power Shield");
		it_ent = G_Spawn();
		it_ent->classname = it->classname;
		SpawnItem (it_ent, it);
		Touch_Item (it_ent, ent, NULL, NULL);
		if (it_ent->inuse)
			G_FreeEdict(it_ent);

		if (!give_all)
			return;
	}

	if (give_all)
	{
		for (i=0 ; i<game.num_items ; i++)
		{
			it = itemlist + i;
			if (!it->pickup)
				continue;
			if (it->flags & (IT_ARMOR|IT_WEAPON|IT_AMMO))
				continue;
			ent->client->pers.inventory[i] = 1;
		}
		return;
	}

	it = FindItem (name);
	if (!it)
	{
		name = gi.argv(1);
		it = FindItem (name);
		if (!it)
		{
			gi.cprintf (ent, PRINT_HIGH, "unknown item\n");
			return;
		}
	}

	if (!it->pickup)
	{
		gi.cprintf (ent, PRINT_HIGH, "non-pickup item\n");
		return;
	}

	index = ITEM_INDEX(it);

	if (it->flags & IT_AMMO)
	{
		if (gi.argc() == 3)
			ent->client->pers.inventory[index] = atoi(gi.argv(2));
		else
			ent->client->pers.inventory[index] += it->quantity;
	}
	else
	{
		it_ent = G_Spawn();
		it_ent->classname = it->classname;
		SpawnItem (it_ent, it);
		Touch_Item (it_ent, ent, NULL, NULL);
		if (it_ent->inuse)
			G_FreeEdict(it_ent);
	}
}


/*
==================
Cmd_God_f

Sets client to godmode

argv(0) god
==================
*/
void Cmd_God_f (edict_t *ent)
{
	char	*msg;

	if (deathmatch->value && !sv_cheats->value)
	{
		gi.cprintf (ent, PRINT_HIGH, "You must run the server with '+set cheats 1' to enable this command.\n");
		return;
	}

	ent->flags ^= FL_GODMODE;
	if (!(ent->flags & FL_GODMODE) )
		msg = "godmode OFF\n";
	else
		msg = "godmode ON\n";

	gi.cprintf (ent, PRINT_HIGH, msg);
}


/*
==================
Cmd_Notarget_f

Sets client to notarget

argv(0) notarget
==================
*/
void Cmd_Notarget_f (edict_t *ent)
{
	char	*msg;

	if (deathmatch->value && !sv_cheats->value)
	{
		gi.cprintf (ent, PRINT_HIGH, "You must run the server with '+set cheats 1' to enable this command.\n");
		return;
	}

	ent->flags ^= FL_NOTARGET;
	if (!(ent->flags & FL_NOTARGET) )
		msg = "notarget OFF\n";
	else
		msg = "notarget ON\n";

	gi.cprintf (ent, PRINT_HIGH, msg);
}


/*
==================
Cmd_Noclip_f

argv(0) noclip
==================
*/
void Cmd_Noclip_f (edict_t *ent)
{
	char	*msg;

	if (deathmatch->value && !sv_cheats->value)
	{
		gi.cprintf (ent, PRINT_HIGH, "You must run the server with '+set cheats 1' to enable this command.\n");
		return;
	}

	if (ent->movetype == MOVETYPE_NOCLIP)
	{
		ent->movetype = MOVETYPE_WALK;
		msg = "noclip OFF\n";
	}
	else
	{
		ent->movetype = MOVETYPE_NOCLIP;
		msg = "noclip ON\n";
	}

	gi.cprintf (ent, PRINT_HIGH, msg);
}


/*
==================
Cmd_Use_f

Use an inventory item
==================
*/
void Cmd_Use_f (edict_t *ent)
{
	int			index;
	gitem_t		*it;
	char		*s;

	s = gi.args();
	it = FindItem (s);
	if (!it)
	{
		gi.cprintf (ent, PRINT_HIGH, "unknown item: %s\n", s);
		return;
	}
	if (!it->use)
	{
		gi.cprintf (ent, PRINT_HIGH, "Item is not usable.\n");
		return;
	}
	index = ITEM_INDEX(it);
	if (!ent->client->pers.inventory[index])
	{
		gi.cprintf (ent, PRINT_HIGH, "Out of item: %s\n", s);
		return;
	}

	it->use (ent, it);
}


/*
==================
Cmd_Drop_f

Drop an inventory item
==================
*/
void Cmd_Drop_f (edict_t *ent)
{
	int			index;
	gitem_t		*it;
	char		*s;

//ZOID--special case for tech powerups
	if (Q_stricmp(gi.args(), "tech") == 0 && (it = CTFWhat_Tech(ent)) != NULL) {
		it->drop (ent, it);
		return;
	}
//ZOID

	s = gi.args();
	it = FindItem (s);
	if (!it)
	{
		gi.cprintf (ent, PRINT_HIGH, "unknown item: %s\n", s);
		return;
	}
	if (!it->drop)
	{
		gi.cprintf (ent, PRINT_HIGH, "Item is not dropable.\n");
		return;
	}
	index = ITEM_INDEX(it);
	if (!ent->client->pers.inventory[index])
	{
		gi.cprintf (ent, PRINT_HIGH, "Out of item: %s\n", s);
		return;
	}

	it->drop (ent, it);
}


/*
=================
Cmd_Inven_f
=================
*/
void Cmd_Inven_f (edict_t *ent)
{
	int			i;
	gclient_t	*cl;

	cl = ent->client;

	cl->showscores = false;
	cl->showhelp = false;

//ZOID
	if (ent->client->menu) {
		PMenu_Close(ent);
		ent->client->update_chase = true;
		return;
	}
//ZOID

	if (cl->showinventory)
	{
		cl->showinventory = false;
		return;
	}

//ZOID
	if (ctf->value && cl->resp.ctf_team == CTF_NOTEAM) {
		CTFOpenJoinMenu(ent);
		return;
	}
//ZOID

	cl->showinventory = true;

	gi.WriteByte (svc_inventory);
	for (i=0 ; i<MAX_ITEMS ; i++)
	{
		gi.WriteShort (cl->pers.inventory[i]);
	}
	gi.unicast (ent, true);
}

/*
=================
Cmd_InvUse_f
=================
*/
void Cmd_InvUse_f (edict_t *ent)
{
	gitem_t		*it;

//ZOID
	if (ent->client->menu) {