/*
	cl_trans.c

	(description)

	Copyright (C) 1996-1997  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:

		Free Software Foundation, Inc.
		59 Temple Place - Suite 330
		Boston, MA  02111-1307, USA

	$Id$
*/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <string.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif

#include "host.h"
#include "sys.h"
#include "vid.h"
#include "client.h"

/*
=====================
CL_NewTranslation
=====================
*/
void
CL_NewTranslation (int slot)
{
	int         i, j;
	int         top, bottom;
	byte       *dest, *source;
	player_info_t *player;
	char        s[512];

	if (slot > MAX_CLIENTS)
		Host_EndGame ("CL_NewTranslation: slot > MAX_CLIENTS");

	player = &cl.players[slot];

	strcpy (s, Info_ValueForKey (player->userinfo, "skin"));
	COM_StripExtension (s, s);
	if (player->skin && !stricmp (s, player->skin->name))
		player->skin = NULL;

	if (player->_topcolor != player->topcolor ||
		player->_bottomcolor != player->bottomcolor || !player->skin) {
		player->_topcolor = player->topcolor;
		player->_bottomcolor = player->bottomcolor;

		dest = player->translations;
		source = vid.colormap;
		memcpy (dest, vid.colormap, sizeof (player->translations));
		top = player->topcolor;
		if (top > 13 || top < 0)
			top = 13;
		top *= 16;
		bottom = player->bottomcolor;
		if (bottom > 13 || bottom < 0)
			bottom = 13;
		bottom *= 16;

		for (i = 0; i < VID_GRADES; i++, dest += 256, source += 256) {
			if (top < 128)				// the artists made some backwards
										// ranges.  sigh.
				memcpy (dest + TOP_RANGE, source + top, 16);
			else
				for (j = 0; j < 16; j++)
					dest[TOP_RANGE + j] = source[top + 15 - j];

			if (bottom < 128)
				memcpy (dest + BOTTOM_RANGE, source + bottom, 16);
			else
				for (j = 0; j < 16; j++)
					dest[BOTTOM_RANGE + j] = source[bottom + 15 - j];
		}
	}
}