cl_inv.c

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/*
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"
 
extern cvar_t *vid_hudscale;
 
/*
================
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 * vid_hudscale->value;
        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 * vid_hudscale->value)/2;
    y = (viddef.height-240 * vid_hudscale->value)/2;
 
    // repaint everything next frame
    SCR_DirtyScreen ();
 
    re.DrawPic (x, y + 8 * vid_hudscale->value, "inventory");
 
    y += 24 * vid_hudscale->value;
    x += 24 * vid_hudscale->value;
    Inv_DrawString (x, y, "hotkey ### item");
    Inv_DrawString (x, y+8*vid_hudscale->value, "------ --- ----");
    y += 16 * vid_hudscale->value;
    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)
                re.DrawChar (x - 8 * vid_hudscale->value, y * vid_hudscale->value, 15);
        }
        Inv_DrawString (x, y, string);
        y += 8 * vid_hudscale->value;
    }
 
 
}