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 #ifndef NETWORK_H
   7 #define NETWORK_H
   8
   9 #include "vg/vg_stdint.h"
  10 #include "steam.h"
  11 #include "network_common.h"
  12 #include "network_msg.h"
  13 #include "addon_types.h"
  14
  15 #define NETWORK_MAX_REQUESTS 8
  16
  17 /*
  18  * Interface
  19  */
  20
  21 /* Call it at start; Connects us to the gameserver */
  22 static void network_init(void);
  23
  24 /* Run this from main loop */
  25 static void network_update(void);
  26
  27 /* Call it at shutdown */
  28 static void network_end(void);
  29
  30 /*
  31  * Can buffer up a bunch of these by calling many times, they will be
  32  * sent at the next connection
  33  */
  34 static void network_submit_highscore( u32 trackid, u16 points, u16 time );
  35
  36 /*
  37  * Game endpoints are provided with the same names to allow running without a
  38  * network connection.
  39  */
  40
  41 struct {
  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
  55    struct network_request {
  56       vg_pool_node poolnode;
  57       void (*callback)( netmsg_request *res, vg_msg *body, u64 userdata );
  58       f64 sendtime;
  59       u64 userdata;
  60    }
  61    *request_buffer;
  62    vg_pool request_pool;
  63
  64    char server_adress[64];
  65
  66    enum server_intent {
  67       k_server_intent_offline,
  68       k_server_intent_online
  69    }
  70    user_intent;
  71    f64 last_intent_change;
  72    f32 fintent; /* yeah this shit really shouldnt be here but oh well */
  73 }
  74 static network_client = {
  75    .auth_mode = eServerModeAuthentication,
  76    .state = k_ESteamNetworkingConnectionState_None,
  77    .server_adress = "46.101.34.155",
  78    .last_intent_change = -99999.9
  79 };
  80
  81 static int packet_minsize( SteamNetworkingMessage_t *msg, u32 size );
  82 static void network_send_item( enum netmsg_playeritem_type type );
  83 static void network_request_scoreboard( const char *mod_uid,
  84                                         const char *route_uid,
  85                                         u32 week, u64 userdata );
  86 static void network_publish_laptime( const char *mod_uid,
  87                                      const char *route_uid, f64 lap_time );
  88 static void chat_send_message( const char *message );
  89 static void render_server_status_gui(void);
  90 static void network_status_string( vg_str *str, u32 *colour );
  91 static void network_send_region(void);
  92
  93 static int network_connected(void){
  94    if( network_client.remote_version != NETWORK_SKATERIFT_VERSION ) return 0;
  95    return network_client.state == k_ESteamNetworkingConnectionState_Connected;
  96 }
  97
  98 #endif /* NETWORK_H */