network.h

   1 /*
   2  * Copyright (C) 2021-2024 Mt.ZERO Software, Harry Godden - All Rights Reserved
   3  * All trademarks are property of their respective owners
   4  */
   5
   6 #pragma once
   7 #include "vg/vg_platform.h"
   8 #include "vg/vg_steam_networking.h"
   9 #include "vg/vg_mem_pool.h"
  10 #include "vg/vg_msg.h"
  11 #include "steam.h"
  12 #include "network_common.h"
  13 #include "network_msg.h"
  14 #include "addon_types.h"
  15
  16 #define NETWORK_MAX_REQUESTS 8
  17
  18 /*
  19  * Interface
  20  */
  21
  22 /* Call it at start; Connects us to the gameserver */
  23 void network_init(void);
  24
  25 /* Run this from main loop */
  26 void network_update(void);
  27
  28 /* Call it at shutdown */
  29 void network_end(void);
  30
  31 /*
  32  * Can buffer up a bunch of these by calling many times, they will be
  33  * sent at the next connection
  34  */
  35 void network_submit_highscore( u32 trackid, u16 points, u16 time );
  36
  37 /*
  38  * Game endpoints are provided with the same names to allow running without a
  39  * network connection.
  40  */
  41
  42 struct network_client
  43 {
  44    u8 app_symmetric_key[ 1024 ];
  45    u32 app_key_length;
  46    EServerMode auth_mode;
  47
  48    HSteamNetConnection remote;
  49    ESteamNetworkingConnectionState state;
  50    u32 remote_version;
  51
  52    f64 last_attempt, last_frame;
  53    u32 retries;
  54
  55    i32 network_info;
  56    i32 auto_connect;
  57
  58    struct network_request {
  59       vg_pool_node poolnode;
  60       void (*callback)( netmsg_request *res, vg_msg *body, u64 userdata );
  61       f64 sendtime;
  62       u64 userdata;
  63    }
  64    *request_buffer;
  65    vg_pool request_pool;
  66
  67    SteamNetworkingIPAddr ip;
  68    char host_port[8], host_adress[256];
  69    bool ip_resolved;
  70
  71    enum server_intent {
  72       k_server_intent_offline,
  73       k_server_intent_online
  74    }
  75    user_intent;
  76    f64 last_intent_change;
  77    f32 fintent; /* yeah this shit really shouldnt be here but oh well */
  78 }
  79 extern network_client;
  80
  81 int packet_minsize( SteamNetworkingMessage_t *msg, u32 size );
  82 void network_send_item( enum netmsg_playeritem_type type );
  83 void network_request_scoreboard( const char *mod_uid,
  84                                  const char *route_uid,
  85                                  u32 week, u64 userdata );
  86 void network_publish_laptime( const char *mod_uid,
  87                               const char *route_uid, f64 lap_time );
  88 void chat_send_message( const char *message );
  89 void render_server_status_gui(void);
  90 void network_status_string( vg_str *str, u32 *colour );
  91 void network_send_region(void);
  92 void network_set_host( const char *host_str, const char *port_str );
  93
  94 static inline int network_connected(void)
  95 {
  96    if( network_client.remote_version != NETWORK_SKATERIFT_VERSION ) return 0;
  97    return network_client.state == k_ESteamNetworkingConnectionState_Connected;
  98 }