server/socket/sounds.C

/* Send bug reports to Raphael Quinet (quinet@montefiore.ulg.ac.be) */

/**
 * \file
 * Sound-related functions.
 *
 * \date 2003-12-02
 */

#include <global.h>
#include <sproto.h>
#include <sounds.h>

/**
 * Maximum distance a player may hear a sound from.
 * This is only used for new client/server sound.  If the sound source
 * on the map is farther away than this, we don't sent it to the client.
 */
#define MAX_SOUND_DISTANCE 10

/**
 * Plays a sound for specified player only
 */
void
play_sound_player_only (player *pl, short soundnum, sint8 x, sint8 y)
{
  char soundtype;

  if (!pl->socket->sound)
    return;

  /* Do some quick conversion to the sound type we want. */
  if (soundnum >= SOUND_CAST_SPELL_0)
    {
      soundtype = SOUND_SPELL;
      soundnum -= SOUND_CAST_SPELL_0;
    }
  else
    soundtype = SOUND_NORMAL;

  packet sl;

  sl << "sound "
     << uint8  (x)
     << uint8  (y)
     << uint16 (soundnum)
     << uint8  (soundtype);

  pl->socket->send_packet (sl);
}

#define POW2(x) ((x) * (x))

/** Plays some sound on map at x,y.  */
void
play_sound_map (maptile *map, int x, int y, short sound_num)
{
  player *pl;

  if (sound_num >= NROF_SOUNDS)
    {
      LOG (llevError, "Tried to play an invalid sound num: %d\n", sound_num);
      return;
    }

  for (pl = first_player; pl; pl = pl->next)
    {
      if (pl->ob->map == map)
        {
          int distance = isqrt (POW2 (pl->ob->x - x) + POW2 (pl->ob->y - y));

          if (distance <= MAX_SOUND_DISTANCE)
            {
              play_sound_player_only (pl, sound_num, (sint8) (x - pl->ob->x), (sint8) (y - pl->ob->y));
            }
        }
    }
}
Revision:	1.9
Committed:	Thu Dec 14 20:39:55 2006 UTC (17 years, 5 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.8:	+1 -1 lines
Log Message:	- implement c++ interface to Event->io watchers - cut number of write()'s the server does in half
#	User	Rev	Content
1	elmex	1.1	/* Send bug reports to Raphael Quinet (quinet@montefiore.ulg.ac.be) */
2
3			/**
4			* \file
5			* Sound-related functions.
6			*
7			* \date 2003-12-02
8			*/
9
10			#include <global.h>
11			#include <sproto.h>
12			#include <sounds.h>
13
14			/**
15			* Maximum distance a player may hear a sound from.
16			* This is only used for new client/server sound. If the sound source
17			* on the map is farther away than this, we don't sent it to the client.
18			*/
19			#define MAX_SOUND_DISTANCE 10
20
21			/**
22			* Plays a sound for specified player only
23			*/
24	root	1.3	void
25			play_sound_player_only (player *pl, short soundnum, sint8 x, sint8 y)
26	elmex	1.1	{
27	root	1.3	char soundtype;
28	elmex	1.1
29	root	1.8	if (!pl->socket->sound)
30	root	1.3	return;
31	root	1.6
32	root	1.3	/* Do some quick conversion to the sound type we want. */
33			if (soundnum >= SOUND_CAST_SPELL_0)
34			{
35			soundtype = SOUND_SPELL;
36			soundnum -= SOUND_CAST_SPELL_0;
37	elmex	1.1	}
38	root	1.3	else
39			soundtype = SOUND_NORMAL;
40	elmex	1.1
41	root	1.7	packet sl;
42	root	1.6
43			sl << "sound "
44			<< uint8 (x)
45			<< uint8 (y)
46			<< uint16 (soundnum)
47			<< uint8 (soundtype);
48
49	root	1.9	pl->socket->send_packet (sl);
50	elmex	1.1	}
51
52			#define POW2(x) ((x) * (x))
53
54			/** Plays some sound on map at x,y. */
55	root	1.3	void
56	root	1.5	play_sound_map (maptile *map, int x, int y, short sound_num)
57	elmex	1.1	{
58	root	1.3	player *pl;
59	elmex	1.1
60	root	1.3	if (sound_num >= NROF_SOUNDS)
61			{
62			LOG (llevError, "Tried to play an invalid sound num: %d\n", sound_num);
63			return;
64	elmex	1.1	}
65
66	root	1.3	for (pl = first_player; pl; pl = pl->next)
67			{
68			if (pl->ob->map == map)
69			{
70			int distance = isqrt (POW2 (pl->ob->x - x) + POW2 (pl->ob->y - y));
71
72			if (distance <= MAX_SOUND_DISTANCE)
73			{
74			play_sound_player_only (pl, sound_num, (sint8) (x - pl->ob->x), (sint8) (y - pl->ob->y));
75	root	1.2	}
76			}
77	elmex	1.1	}
78			}