network.h

   1 /*
   2  * Copyright (C) 2021-2022 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 "steam.h"
  10 #include "network_common.h"
  11 #include "network_msg.h"
  12 #include "addon_types.h"
  13
  14 #define NETWORK_MAX_REQUESTS 8
  15
  16 /*
  17  * Interface
  18  */
  19
  20 /* Call it at start; Connects us to the gameserver */
  21 void network_init(void);
  22
  23 /* Run this from main loop */
  24 void network_update(void);
  25
  26 /* Call it at shutdown */
  27 void network_end(void);
  28
  29 /*
  30  * Can buffer up a bunch of these by calling many times, they will be
  31  * sent at the next connection
  32  */
  33 void network_submit_highscore( u32 trackid, u16 points, u16 time );
  34
  35 /*
  36  * Game endpoints are provided with the same names to allow running without a
  37  * network connection.
  38  */
  39
  40 struct network_client
  41 {
  42    u8 app_symmetric_key[ 1024 ];
  43    u32 app_key_length;
  44    EServerMode auth_mode;
  45
  46    HSteamNetConnection remote;
  47    ESteamNetworkingConnectionState state;
  48    u32 remote_version;
  49
  50    f64 last_attempt, last_frame;
  51    u32 retries;
  52
  53    i32 network_info;
  54    i32 auto_connect;
  55
  56    struct network_request {
  57       vg_pool_node poolnode;
  58       void (*callback)( netmsg_request *res, vg_msg *body, u64 userdata );
  59       f64 sendtime;
  60       u64 userdata;
  61    }
  62    *request_buffer;
  63    vg_pool request_pool;
  64
  65    SteamNetworkingIPAddr ip;
  66    char host_port[8], host_adress[256];
  67    bool ip_resolved;
  68
  69    enum server_intent {
  70       k_server_intent_offline,
  71       k_server_intent_online
  72    }
  73    user_intent;
  74    f64 last_intent_change;
  75    f32 fintent; /* yeah this shit really shouldnt be here but oh well */
  76 }
  77 extern network_client;
  78
  79 int packet_minsize( SteamNetworkingMessage_t *msg, u32 size );
  80 void network_send_item( enum netmsg_playeritem_type type );
  81 void network_request_scoreboard( const char *mod_uid,
  82                                  const char *route_uid,
  83                                  u32 week, u64 userdata );
  84 void network_publish_laptime( const char *mod_uid,
  85                               const char *route_uid, f64 lap_time );
  86 void chat_send_message( const char *message );
  87 void render_server_status_gui(void);
  88 void network_status_string( vg_str *str, u32 *colour );
  89 void network_send_region(void);
  90 void network_set_host( const char *host_str, const char *port_str );
  91
  92 static inline int network_connected(void)
  93 {
  94    if( network_client.remote_version != NETWORK_SKATERIFT_VERSION ) return 0;
  95    return network_client.state == k_ESteamNetworkingConnectionState_Connected;
  96 }