/*
* Copyright(c) 1997-2001 Id Software, Inc.
* Copyright(c) 2002 The Quakeforge Project.
* Copyright(c) 2006 Quetoo.
*
* 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 "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){
		Draw_Char(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;
	
	Draw_Pic(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
		Com_sprintf(binding, sizeof(binding), "use %s", cl.configstrings[CS_ITEMS + item]);
		bind = "";
		for(j = 0; j < 256; j++)
			if(keybindings[j] && !Q_stricmp(keybindings[j], binding)){
				bind = Key_KeynumToString(j);
				break;
			}
			
		Com_sprintf(string, sizeof(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*10) & 1)
				Draw_Char(x - 8, y, 15);
		}
		Inv_DrawString(x, y, string);
		y += 8;
	}
}