.. _program_listing_file_server_game_events_player_broadcast.c:

Program Listing for File player_broadcast.c
===========================================

|exhale_lsh| :ref:`Return to documentation for file <file_server_game_events_player_broadcast.c>` (``server/game_events/player_broadcast.c``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #include "client/client.h"
   #include "handler.h"
   
   #define __USE_MISC
   // ^ above is for M_PI_[...]
   #include <math.h>
   
   int get_relative_sound_direction(
       server_t *srv,
       client_state_t *author, client_state_t *receiver)
   {
       double rel_angle;
       int dx = (author->x - receiver->x) % srv->map_width;
       int dy = (author->y - receiver->y) % srv->map_height;
   
       if (dx > (srv->map_width >> 1))
           dx -= srv->map_width;
       if (dy > (srv->map_height >> 1))
           dy -= srv->map_height;
       if (dx == 0 && dy == 0)
           return 0;
       rel_angle = fmod(
           (((double)(receiver->orientation + 1) * M_PI_2)
           - atan2(-dy, dx) + (2 * M_PI)), (2 * M_PI));
       return (int)fmod((rel_angle / M_PI_4), 8);
   }
   
   bool player_broadcast_handler(server_t *srv, const event_t *event)
   {
       client_state_t *cs = event_get_client(srv, event);
   
       if (cs == nullptr)
           return false;
       if (event->arg_count != 2)
           return append_to_output(srv, cs, "ko\n"), true;
       for (size_t i = srv->cm.idx_of_players; i < srv->cm.count; i++) {
           if (cs->id == srv->cm.clients[i].id)
               continue;
           vappend_to_output(srv, &srv->cm.clients[i],
               "message %d, %s\n",
               get_relative_sound_direction(srv, cs, &srv->cm.clients[i]),
               event->command[1]);
       }
       send_to_guis(srv, "pbc #%hd %s\n",
           srv->cm.clients[event->client_idx].id, event->command[1]);
       append_to_output(srv, cs, "ok\n");
       return true;
   }