+
+/*
+ * animator->root_co of remote player
+ */
+static void remote_player_position( int id, v3f out_co ){
+ struct skeleton *sk = &localplayer.skeleton;
+ m4x3f *final_mtx = &netplayers.final_mtx[ sk->bone_count*id ];
+ v3_copy( final_mtx[0][3], out_co );
+}
+
+enum remote_player_gui_type {
+ k_remote_player_gui_type_stranger,
+ k_remote_player_gui_type_friend,
+ k_remote_player_gui_type_you,
+};
+
+/* TODO:
+ * line of sight / distance culling
+ */
+static void remote_player_nametag( m4x4f pv, v3f co, const char *name,
+ enum remote_player_gui_type type,
+ u32 medals[3] ){
+ vg_ui.font = &vg_ui_font_big;
+ v4f wpos;
+ v3_copy( co, wpos );
+ wpos[1] += 2.0f;
+ wpos[3] = 1.0f;
+
+ m4x4_mulv( pv, wpos, wpos );
+
+ if( wpos[3] > 0.0f ){
+ v2_muls( wpos, (1.0f/wpos[3]) * 0.5f, wpos );
+ v2_add( wpos, (v2f){ 0.5f, 0.5f }, wpos );
+
+ vg_ui.font = &vg_ui_font_big;
+ ui_rect wr;
+ wr[2] = VG_MAX( ui_text_line_width( name ), 140 ) + 8;
+ wr[0] = vg_clampf(wpos[0] * vg.window_x, -32000.0f,32000.0f)-(wr[2]/2);
+ wr[1] = vg_clampf((1.0f-wpos[1]) * vg.window_y, -32000.0f, 32000.0f );
+ wr[3] = 32;
+
+ ui_fill( wr, ui_opacity( ui_colour(k_ui_bg), 0.23f ) );
+ ui_text( wr, name, 1, k_ui_align_middle_center, 0 );
+
+ vg_ui.font = &vg_ui_font_small;
+
+ /* medals */
+ int cols = 0;
+ if( medals ){
+ for( int i=0; i<3; i ++ )
+ if( medals[i] )
+ cols ++;
+
+ char buf[32];
+ vg_str str;
+
+ if( cols ){
+ f32 w = (f32)wr[2] / (f32)cols;
+ cols = 0;
+
+ for( int i=0; i<3; i ++ ){
+ if( medals[i] ){
+ ui_rect col = { wr[0] + (f32)cols*w, wr[1] + wr[3], w,
+ vg_ui.font->glyph_height };
+
+ vg_strnull( &str, buf, 32 );
+ vg_strcatch( &str, (char)k_SRglyph_vg_circle );
+ vg_strcati32( &str, medals[i] );
+
+ ui_text( col, buf, 1, k_ui_align_middle_center,
+ ui_colour( (enum ui_scheme_colour[]){
+ k_ui_yellow, k_ui_gray, k_ui_orange }[i] ) );
+
+ cols ++;
+ }
+ }
+ }
+ }
+
+ }
+ vg_ui.font = &vg_ui_font_small;
+}
+
+static void remote_player_gui_info( ui_rect box,
+ const char *username,
+ const char *activity,
+ enum remote_player_gui_type type,
+ int in_world ){
+
+ f32 opacity = in_world? 0.6f: 0.3f;
+
+ if( type == k_remote_player_gui_type_you )
+ ui_fill( box, ui_opacity( 0xff555555, opacity ) );
+ else
+ ui_fill( box, ui_opacity( 0xff000000, opacity ) );
+
+ if( type == k_remote_player_gui_type_friend )
+ ui_outline( box, -1, ui_opacity( 0xff00c4f0, opacity ), 0 );
+
+ ui_rect top, bottom;
+ ui_split_ratio( box, k_ui_axis_h, 0.6666f, 1, top, bottom );
+
+ u32 fg;
+
+ if( type == k_remote_player_gui_type_friend )
+ fg = ui_colour( k_ui_yellow + (in_world? k_ui_brighter: 0) );
+ else
+ fg = ui_colour( in_world? k_ui_fg: k_ui_fg+4 );
+
+ vg_ui.font = &vg_ui_font_big;
+ ui_text( top, username, 1, k_ui_align_middle_center, fg );
+ vg_ui.font = &vg_ui_font_small;
+
+ ui_text( bottom, activity, 1, k_ui_align_middle_center, fg );
+}
+
+static void remote_players_imgui_lobby(void){
+ /*
+ * TODO: send location string over the network */
+
+ ui_px y = 50, width = 200, height = 42, gap = 2,
+ x = vg.window_x - width;
+
+ vg_ui.font = &vg_ui_font_big;
+ ui_text( (ui_rect){ x, 0, width, height },
+ "Online Players", 1, k_ui_align_middle_center, 0 );
+ vg_ui.font = &vg_ui_font_small;
+
+
+ ui_rect us = { x, y, width, height };
+ /* FIXME: your location */
+ remote_player_gui_info( us, steam_username_at_startup, "you",
+ k_remote_player_gui_type_you, 1 );
+ y += height + gap;
+
+ for( u32 i=0; i<NETWORK_MAX_PLAYERS; i ++ ){
+ struct network_player *player = &netplayers.list[i];
+ if( !player->active || player->isblocked ) continue;
+
+ int in_same_world = player->active_world != world_current_instance();
+
+ if( !player->isfriend && !in_same_world )
+ continue;
+
+ ui_rect box = { x, y, width, height };
+ remote_player_gui_info( box, player->username, "<null>",
+ player->isfriend, in_same_world );
+ y += height + gap;
+ }
+}
+
+static void remote_players_imgui_world( world_instance *world, m4x4f pv,
+ f32 max_dist, int geo_cull ){
+ ui_flush( k_ui_shader_colour );
+
+ for( u32 i=0; i<NETWORK_MAX_PLAYERS; i++ ){
+ struct network_player *player = &netplayers.list[i];
+ if( player->active ){
+ v3f co;
+ remote_player_position( i, co );
+
+ if( player->active_world != world ){
+ continue;
+ }
+
+ f32 d2 = v3_dist2( co, localplayer.rb.co );
+
+ if( d2 > (max_dist*max_dist) )
+ continue;
+
+ f32 dist = sqrtf(d2);
+ f32 opacity = 0.95f * sqrtf(((max_dist-dist)/max_dist));
+
+ if( geo_cull ){
+ ray_hit hit;
+ hit.dist = dist;
+
+ v3f dir;
+ v3_sub( co, skaterift.cam.pos, dir );
+ v3_normalize( dir );
+
+ if( ray_world( world, skaterift.cam.pos, dir, &hit,
+ k_material_flag_ghosts ) ){
+ opacity *= 0.5f;
+ }
+ }
+
+ player->opacity = vg_lerpf( player->opacity, opacity,
+ vg.time_frame_delta * 2.0f );
+
+ remote_player_nametag(
+ pv,
+ netplayers.final_mtx[localplayer.skeleton.bone_count*i][3],
+ player->username, player->isfriend, player->medals );
+
+ vg_ui.colour[3] = player->opacity;
+ ui_flush( k_ui_shader_colour );
+ }
+ }
+
+ vg_ui.colour[3] = 1.0f;
+}