Quake-2

Quake 2 GPL Source Release
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cl_inv.c (2839B)

      1 /*
      2 Copyright (C) 1997-2001 Id Software, Inc.
      3 
      4 This program is free software; you can redistribute it and/or
      5 modify it under the terms of the GNU General Public License
      6 as published by the Free Software Foundation; either version 2
      7 of the License, or (at your option) any later version.
      8 
      9 This program is distributed in the hope that it will be useful,
     10 but WITHOUT ANY WARRANTY; without even the implied warranty of
     11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
     12 
     13 See the GNU General Public License for more details.
     14 
     15 You should have received a copy of the GNU General Public License
     16 along with this program; if not, write to the Free Software
     17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
     18 
     19 */
     20 // cl_inv.c -- client inventory screen
     21 
     22 #include "client.h"
     23 
     24 /*
     25 ================
     26 CL_ParseInventory
     27 ================
     28 */
     29 void CL_ParseInventory (void)
     30 {
     31 	int		i;
     32 
     33 	for (i=0 ; i<MAX_ITEMS ; i++)
     34 		cl.inventory[i] = MSG_ReadShort (&net_message);
     35 }
     36 
     37 
     38 /*
     39 ================
     40 Inv_DrawString
     41 ================
     42 */
     43 void Inv_DrawString (int x, int y, char *string)
     44 {
     45 	while (*string)
     46 	{
     47 		re.DrawChar (x, y, *string);
     48 		x+=8;
     49 		string++;
     50 	}
     51 }
     52 
     53 void SetStringHighBit (char *s)
     54 {
     55 	while (*s)
     56 		*s++ |= 128;
     57 }
     58 
     59 /*
     60 ================
     61 CL_DrawInventory
     62 ================
     63 */
     64 #define	DISPLAY_ITEMS	17
     65 
     66 void CL_DrawInventory (void)
     67 {
     68 	int		i, j;
     69 	int		num, selected_num, item;
     70 	int		index[MAX_ITEMS];
     71 	char	string[1024];
     72 	int		x, y;
     73 	char	binding[1024];
     74 	char	*bind;
     75 	int		selected;
     76 	int		top;
     77 
     78 	selected = cl.frame.playerstate.stats[STAT_SELECTED_ITEM];
     79 
     80 	num = 0;
     81 	selected_num = 0;
     82 	for (i=0 ; i<MAX_ITEMS ; i++)
     83 	{
     84 		if (i==selected)
     85 			selected_num = num;
     86 		if (cl.inventory[i])
     87 		{
     88 			index[num] = i;
     89 			num++;
     90 		}
     91 	}
     92 
     93 	// determine scroll point
     94 	top = selected_num - DISPLAY_ITEMS/2;
     95 	if (num - top < DISPLAY_ITEMS)
     96 		top = num - DISPLAY_ITEMS;
     97 	if (top < 0)
     98 		top = 0;
     99 
    100 	x = (viddef.width-256)/2;
    101 	y = (viddef.height-240)/2;
    102 
    103 	// repaint everything next frame
    104 	SCR_DirtyScreen ();
    105 
    106 	re.DrawPic (x, y+8, "inventory");
    107 
    108 	y += 24;
    109 	x += 24;
    110 	Inv_DrawString (x, y, "hotkey ### item");
    111 	Inv_DrawString (x, y+8, "------ --- ----");
    112 	y += 16;
    113 	for (i=top ; i<num && i < top+DISPLAY_ITEMS ; i++)
    114 	{
    115 		item = index[i];
    116 		// search for a binding
    117 		Com_sprintf (binding, sizeof(binding), "use %s", cl.configstrings[CS_ITEMS+item]);
    118 		bind = "";
    119 		for (j=0 ; j<256 ; j++)
    120 			if (keybindings[j] && !Q_stricmp (keybindings[j], binding))
    121 			{
    122 				bind = Key_KeynumToString(j);
    123 				break;
    124 			}
    125 
    126 		Com_sprintf (string, sizeof(string), "%6s %3i %s", bind, cl.inventory[item],
    127 			cl.configstrings[CS_ITEMS+item] );
    128 		if (item != selected)
    129 			SetStringHighBit (string);
    130 		else	// draw a blinky cursor by the selected item
    131 		{
    132 			if ( (int)(cls.realtime*10) & 1)
    133 				re.DrawChar (x-8, y, 15);
    134 		}
    135 		Inv_DrawString (x, y, string);
    136 		y += 8;
    137 	}
    138 
    139 
    140 }
    141 
    142