player_remote.c

   1 #include "player_remote.h"
   2 #include "skeleton.h"
   3 #include "player_render.h"
   4 #include "network_common.h"
   5
   6 static void player_remote_unwatch( struct network_player *player ){
   7    addon_cache_unwatch( k_addon_type_player, player->playermodel_view_slot );
   8    addon_cache_unwatch( k_addon_type_board, player->board_view_slot );
   9 }
  10
  11 static void player_remote_clear( struct network_player *player ){
  12    player_remote_unwatch( player );
  13    memset( player, 0, sizeof(*player) );
  14    strcpy( player->username, "unknown" );
  15    player->subsystem = k_player_subsystem_invalid;
  16 }
  17
  18 static void player_remote_rx_200_300( SteamNetworkingMessage_t *msg ){
  19    netmsg_blank *tmp = msg->m_pData;
  20
  21    if( tmp->inetmsg_id == k_inetmsg_playerjoin ){
  22       netmsg_playerjoin *playerjoin = msg->m_pData;
  23       if( !packet_minsize( msg, sizeof(*playerjoin) )) return;
  24
  25       if( playerjoin->index < vg_list_size(netplayers.list) ){
  26          struct network_player *player = &netplayers.list[ playerjoin->index ];
  27          player_remote_clear( player );
  28          player->active = 1;
  29
  30          /* TODO: interpret the uids */
  31          player->board_view_slot = 0;
  32          player->playermodel_view_slot = 0;
  33 #if 0
  34             addon_cache_create_viewer_from_uid( k_addon_type_board,
  35                                                 playerjoin->board_uid );
  36          player->playermodel_view_slot =
  37             addon_cache_create_viewer_from_uid( k_addon_type_player,
  38                                                 playerjoin->playermodel_uid );
  39 #endif
  40
  41          struct interp_buffer *buf = &netplayers.interp_data[playerjoin->index];
  42          buf->t = -99999999.9;
  43          for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
  44             buf->frames[i].active = 0;
  45          }
  46
  47          vg_info( "#%u joined\n", playerjoin->index );
  48       }
  49       else {
  50          vg_error( "inetmsg_playerjoin: player index out of range\n" );
  51       }
  52    }
  53    else if( tmp->inetmsg_id == k_inetmsg_playerleave ){
  54       netmsg_playerleave *playerleave = msg->m_pData;
  55       if( !packet_minsize( msg, sizeof(*playerleave) )) return;
  56
  57       if( playerleave->index < vg_list_size(netplayers.list) ){
  58          struct network_player *player = &netplayers.list[ playerleave->index ];
  59          player_remote_unwatch( player );
  60          player->active = 0;
  61          vg_info( "player leave (%d)\n", playerleave->index );
  62       }
  63       else {
  64          vg_error( "inetmsg_playerleave: player index out of range\n" );
  65       }
  66    }
  67    else if( tmp->inetmsg_id == k_inetmsg_playerusername ){
  68       netmsg_playerusername *update = msg->m_pData;
  69       if( !packet_minsize( msg, sizeof(*update) )) return;
  70
  71       if( update->index < vg_list_size(netplayers.list) ){
  72          struct network_player *player = &netplayers.list[ update->index ];
  73
  74          network_msgstring( update->name, msg->m_cbSize, sizeof(*update),
  75                             player->username, sizeof(player->username) );
  76
  77          vg_info( "#%u changed username to: %s\n", player->username );
  78       }
  79       else {
  80          vg_error( "inetmsg_playerleave: player index out of range\n" );
  81       }
  82    }
  83    else if( tmp->inetmsg_id == k_inetmsg_playerframe ){
  84       u32 datasize = msg->m_cbSize - sizeof(netmsg_playerframe);
  85
  86       if( datasize > sizeof(union interp_animdata) ){
  87          vg_error( "Player frame data exceeds animdata size\n" );
  88          return;
  89       }
  90
  91       netmsg_playerframe *frame = msg->m_pData;
  92       if( frame->client >= vg_list_size(netplayers.list) ){
  93          vg_error( "inetmsg_playerframe: player index out of range\n" );
  94          return;
  95       }
  96
  97       if( frame->subsystem >= k_player_subsystem_max ){
  98          vg_error( "inetmsg_playerframe: subsystem out of range\n" );
  99          return;
 100       }
 101
 102       struct interp_buffer *ib = &netplayers.interp_data[ frame->client ];
 103       struct interp_frame *dest = NULL;
 104
 105       f64 min_time = INFINITY;
 106       for( u32 i=0; i<vg_list_size(ib->frames); i++ ){
 107          struct interp_frame *ifr = &ib->frames[i];
 108
 109          if( !ifr->active ){
 110             dest = ifr;
 111             break;
 112          }
 113
 114          if( ifr->timestamp < min_time ){
 115             min_time = ifr->timestamp;
 116             dest = ifr;
 117          }
 118       }
 119
 120       dest->active = 1;
 121       dest->timestamp = frame->timestamp;
 122       dest->subsystem = frame->subsystem;
 123
 124       struct network_player *player = &netplayers.list[ frame->client ];
 125       memcpy( &dest->data, frame->animdata, datasize );
 126       player->subsystem = frame->subsystem;
 127       player->down_bytes += msg->m_cbSize;
 128    }
 129 }
 130
 131 /*
 132  * Write localplayer pose to network
 133  */
 134 static void remote_player_send_playerframe(void){
 135    u8 sysid = localplayer.subsystem;
 136    if( sysid >= k_player_subsystem_max ) return;
 137
 138    struct player_subsystem_interface *sys = player_subsystems[sysid];
 139
 140    if( sys->animator_size ){
 141       u32 size = sizeof(netmsg_playerframe)+sys->animator_size;
 142       netmsg_playerframe *frame = alloca(size);
 143       frame->inetmsg_id = k_inetmsg_playerframe;
 144       frame->client = 0;
 145       frame->subsystem = localplayer.subsystem;
 146       frame->timestamp = vg.time_real;
 147       memcpy( frame->animdata, sys->animator_data, sys->animator_size );
 148
 149       netplayers.up_bytes += size;
 150
 151       SteamAPI_ISteamNetworkingSockets_SendMessageToConnection(
 152             hSteamNetworkingSockets, network_client.remote,
 153             frame, size,
 154             k_nSteamNetworkingSend_Unreliable, NULL );
 155    }
 156 }
 157
 158 /*
 159  * Updates network traffic stats
 160  */
 161 static void remote_player_debug_update(void){
 162    if( (vg.time_real - netplayers.last_data_measurement) > 1.0 ){
 163       netplayers.last_data_measurement = vg.time_real;
 164       u32 total_down = 0;
 165
 166       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 167          struct network_player *player = &netplayers.list[i];
 168          if( player->active ){
 169             total_down += player->down_bytes;
 170             player->down_kbs = ((f32)player->down_bytes)/1024.0f;
 171             player->down_bytes = 0;
 172          }
 173       }
 174
 175       netplayers.down_kbs = ((f32)total_down)/1024.0f;
 176       netplayers.up_kbs = ((f32)netplayers.up_bytes)/1024.0f;
 177       netplayers.up_bytes = 0;
 178    }
 179 }
 180
 181 /*
 182  * Debugging information
 183  */
 184 static void remote_player_network_imgui( m4x4f pv ){
 185    if( !network_client.network_info )
 186       return;
 187
 188    ui_rect panel = { (vg.window_x / 2) - 200, 0, 400, 600 };
 189    ui_fill( panel, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 190
 191    char buf[512];
 192    const char *netstatus = "PROGRAMMING ERROR";
 193
 194    struct { enum ESteamNetworkingConnectionState state; const char *str; }
 195    states[] = {
 196            { k_ESteamNetworkingConnectionState_None, "None" },
 197            { k_ESteamNetworkingConnectionState_Connecting,
 198          (const char *[]){"Connecting -",
 199                           "Connecting /",
 200                           "Connecting |",
 201                           "Connecting \\",
 202                           }[(u32)(vg.time_real/0.25) & 0x3 ] },
 203            { k_ESteamNetworkingConnectionState_FindingRoute, "Finding Route" },
 204            { k_ESteamNetworkingConnectionState_Connected, "Connected" },
 205            { k_ESteamNetworkingConnectionState_ClosedByPeer, "Closed by peer" },
 206            { k_ESteamNetworkingConnectionState_ProblemDetectedLocally,
 207          "Problem Detected Locally" },
 208            { k_ESteamNetworkingConnectionState_FinWait, "Fin Wait" },
 209            { k_ESteamNetworkingConnectionState_Linger, "Linger" },
 210            { k_ESteamNetworkingConnectionState_Dead, "Dead" }
 211    };
 212    for( u32 i=0; i<vg_list_size(states); i ++ ){
 213       if( states[i].state == network_client.state ){
 214          netstatus = states[i].str;
 215          break;
 216       }
 217    }
 218    snprintf( buf, 512, "Network: %s", netstatus );
 219    ui_info( panel, buf );
 220    ui_info( panel, "---------------------" );
 221
 222    if( network_client.state == k_ESteamNetworkingConnectionState_Connected ){
 223       ui_info( panel, "#-1: localplayer" );
 224
 225       snprintf( buf, 512, "U%.1f/D%.1fkbs",
 226                 netplayers.up_kbs, netplayers.down_kbs );
 227       ui_info( panel, buf );
 228
 229       for( u32 i=0; i<vg_list_size(netplayers.list); i++ ){
 230          struct network_player *player = &netplayers.list[i];
 231          if( player->active ){
 232             const char *sysname = "invalid";
 233
 234             if( player->subsystem < k_player_subsystem_max ){
 235                sysname = player_subsystems[ player->subsystem ]->name;
 236             }
 237             snprintf( buf, 512, "#%u: %s [%s] D%.1fkbs",
 238                       i, player->username, sysname, player->down_kbs );
 239             ui_info( panel, buf );
 240
 241             v4f wpos = { 0.0f, 2.0f, 0.0f, 1.0f };
 242             struct player_avatar *av = localplayer.playeravatar;
 243             m4x3_mulv( netplayers.final_mtx[av->sk.bone_count*i], wpos, wpos );
 244             m4x4_mulv( pv, wpos, wpos );
 245
 246             if( wpos[3] > 0.0f ){
 247                v2_muls( wpos, (1.0f/wpos[3]) * 0.5f, wpos );
 248                v2_add( wpos, (v2f){ 0.5f, 0.5f }, wpos );
 249
 250                ui_rect wr;
 251                wr[0] = vg_clampf(wpos[0] * vg.window_x, -32000.0f,32000.0f)-150;
 252                wr[1] = vg_clampf((1.0f-wpos[1]) * vg.window_y,
 253                                  -32000.0f,32000.0f);
 254                wr[2] = 300;
 255                wr[3] = 17;
 256                ui_fill( wr, (ui_colour(k_ui_bg)&0x00ffffff)|0x50000000 );
 257                ui_text( wr, buf, 1, k_ui_align_middle_center, 0 );
 258             }
 259          }
 260       }
 261    }
 262    else {
 263       ui_info( panel, "offline" );
 264    }
 265 }
 266
 267 /*
 268  * write the remote players final_mtx
 269  */
 270 static void pose_remote_player( u32 index,
 271                                 struct interp_frame *f0,
 272                                 struct interp_frame *f1 ){
 273
 274    struct interp_buffer *buf = &netplayers.interp_data[ index ];
 275    struct player_avatar *av = localplayer.playeravatar;
 276    struct skeleton *sk = &localplayer.playeravatar->sk;
 277    m4x3f *final_mtx = &netplayers.final_mtx[ av->sk.bone_count*index ];
 278
 279    struct player_subsystem_interface *sys0 = player_subsystems[f0->subsystem],
 280                                      *sys1 = NULL;
 281
 282    player_pose pose0, pose1, posed;
 283
 284    sys0->pose( &f0->data, &pose0 );
 285
 286    if( f1 ){
 287       f32 t = (buf->t - f0->timestamp) / (f1->timestamp - f0->timestamp);
 288           t = vg_clampf( t, 0.0f, 1.0f );
 289
 290       sys1 = player_subsystems[f1->subsystem];
 291       sys1->pose( &f1->data, &pose1 );
 292
 293       lerp_player_pose( &pose0, &pose1, t, &posed );
 294       apply_full_skeleton_pose( &av->sk, &posed, final_mtx );
 295    }
 296    else {
 297       apply_full_skeleton_pose( &av->sk, &pose0, final_mtx );
 298    }
 299 }
 300
 301 /*
 302  * animate remote player and store in final_mtx
 303  */
 304 static void animate_remote_player( u32 index ){
 305
 306    /*
 307     * Trys to keep the cursor inside the buffer
 308     */
 309    f64 min_time = -999999999.9,
 310        max_time =  999999999.9,
 311        abs_max_time = -999999999.9;
 312
 313    struct interp_frame *minframe = NULL,
 314                        *maxframe = NULL,
 315                        *abs_max_frame = NULL;
 316
 317    struct interp_buffer *buf = &netplayers.interp_data[index];
 318    for( u32 i=0; i<vg_list_size(buf->frames); i ++ ){
 319       struct interp_frame *ifr = &buf->frames[i];
 320
 321       if( ifr->active ){
 322          if( (ifr->timestamp > min_time) && (ifr->timestamp < buf->t) ){
 323             min_time = ifr->timestamp;
 324             minframe = ifr;
 325          }
 326
 327          if( (ifr->timestamp < max_time) && (ifr->timestamp > buf->t) ){
 328             max_time = ifr->timestamp;
 329             maxframe = ifr;
 330          }
 331
 332          if( ifr->timestamp > abs_max_time ){
 333             abs_max_time = ifr->timestamp;
 334             abs_max_frame = ifr;
 335          }
 336       }
 337    }
 338
 339    if( minframe && maxframe ){
 340       pose_remote_player( index, minframe, maxframe );
 341       buf->t += vg.time_frame_delta;
 342    }
 343    else {
 344       buf->t = abs_max_time - 0.25;
 345
 346       if( abs_max_frame )
 347          pose_remote_player( index, abs_max_frame, NULL );
 348       else
 349          return;
 350    }
 351 }
 352
 353 /*
 354  * Update full final_mtx for all remote players
 355  */
 356 static void animate_remote_players(void){
 357    for( u32 i=0; i<vg_list_size(netplayers.list); i ++ ){
 358       struct network_player *player = &netplayers.list[i];
 359       if( !player->active ) continue;
 360
 361       animate_remote_player( i );
 362    }
 363 }
 364
 365 /*
 366  * Draw remote players
 367  */
 368 static void render_remote_players( world_instance *world, camera *cam ){
 369    for( u32 i=0; i<vg_list_size(netplayers.list); i ++ ){
 370       struct network_player *player = &netplayers.list[i];
 371       if( !player->active ) continue;
 372
 373       struct player_avatar *av = localplayer.playeravatar;
 374
 375       struct player_model *model = &localplayer.fallback_model;
 376       render_playermodel( cam, world, 0, model, &av->sk,
 377                           &netplayers.final_mtx[ av->sk.bone_count*i ] );
 378    }
 379 }