/*
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.

*/
// cl_inv.c -- client inventory screen

#include "client.h"

/*
================
CL_ParseInventory
================
*/
void CL_ParseInventory (void)
{
	int		i;

	for (i = 0; i < MAX_ITEMS; i++)
		cl.inventory[i] = MSG_ReadShort (&net_message);
}


/*
================
Inv_DrawString
================
*/
void Inv_DrawString (int x, int y, char *string)
{
	while (*string)
	{
		re->DrawChar (x, y, *string);
		x+=8;
		string++;
	}
}

void SetStringHighBit (char *s)
{
	while (*s) *s++ |= 128;
}

/*
================
CL_DrawInventory
================
*/
#define	DISPLAY_ITEMS	17

void CL_DrawInventory (void)
{
	int		i, j;
	int		num, selected_num, item;
	int		index[MAX_ITEMS];
	char		string[1024];
	int		x, y;
	char		binding[1024];
	char		*bind;
	int		selected;
	int		top;

	selected = cl.frame.playerstate.stats[STAT_SELECTED_ITEM];

	num = 0;
	selected_num = 0;
	for ( i = 0; i < MAX_ITEMS; i++)
	{
		if (i == selected) selected_num = num;
		if (cl.inventory[i])
		{
			index[num] = i;
			num++;
		}
	}

	// determine scroll point
	top = selected_num - DISPLAY_ITEMS/2;
	if (num - top < DISPLAY_ITEMS) top = num - DISPLAY_ITEMS;
	if (top < 0) top = 0;

	x = (viddef.width-256)/2;
	y = (viddef.height-240)/2;

	re->DrawPic (x, y+8, "inventory");

	y += 24;
	x += 24;
	Inv_DrawString (x, y, "hotkey ### item");
	Inv_DrawString (x, y+8, "------ --- ----");
	y += 16;

	for (i = top; i < num && i < top + DISPLAY_ITEMS; i++)
	{
		item = index[i];
		// search for a binding
		sprintf (binding, "use %s", cl.configstrings[CS_ITEMS+item]);
		bind = "";
		for (j = 0; j < 256; j++)
		{
			if(Key_IsBind(j) && !strcasecmp(Key_IsBind(j), binding))
			{
				bind = Key_KeynumToString(j);
				break;
			}
		}
		sprintf (string, "%6s %3i %s", bind, cl.inventory[item], cl.configstrings[CS_ITEMS+item] );
		if (item != selected)
		{
			SetStringHighBit (string);
		}
		else	// draw a blinky cursor by the selected item
		{
			if((int)(cls.realtime * 5.0f) & 1)
				re->DrawChar (x-8, y, 15);
		}
		Inv_DrawString (x, y, string);
		y += 8;
	}


}