+/*
+ * Given players' root_co, get the screen point where we should draw tag info.
+ */
+static int player_tag_position( m4x4f pv, v3f root_co, ui_point out_point ){
+ v4f wpos;
+ v3_copy( root_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 );
+
+ float k_max = 32000.0f;
+
+ out_point[0] = vg_clampf(wpos[0] * vg.window_x, -k_max, k_max );
+ out_point[1] = vg_clampf((1.0f-wpos[1]) * vg.window_y, -k_max, k_max );
+ return 1;
+ }
+ else
+ return 0;
+}
+
+/*
+ * Draw chat box relative to the root tag position on the screen
+ */
+static void chat_box( ui_point tag_root, f64 time, const char *message ){
+ if( (vg.time_real - time) > 15.0 )
+ return;
+
+ ui_rect wr;
+ wr[2] = ui_text_line_width( message ) + 8;
+ wr[3] = vg_ui.font->glyph_height + 2;
+ wr[0] = tag_root[0]-(wr[2]/2);
+ wr[1] = tag_root[1] - wr[3] - 8;
+
+ ui_fill( wr, ui_opacity( ui_colour(k_ui_bg), 0.23f ) );
+ ui_text( wr, message, 1, k_ui_align_middle_center, 0 );
+}
+
+/*
+ * Draw full imgui for remote player
+ */
+static void remote_player_nametag( ui_point tag_root,
+ struct network_player *player ){
+ vg_ui.font = &vg_ui_font_big;
+
+ ui_rect wr;
+ wr[2] = VG_MAX( ui_text_line_width( player->username ), 140 ) + 8;
+ wr[3] = 32;
+ wr[0] = tag_root[0]-(wr[2]/2);
+ wr[1] = tag_root[1]-(wr[3]/2);
+
+ ui_fill( wr, ui_opacity( ui_colour(k_ui_bg), 0.23f ) );
+ ui_text( wr, player->username, 1, k_ui_align_middle_center, 0 );
+
+ vg_ui.font = &vg_ui_font_small;
+
+ /* medals */
+ int cols = 0;
+ for( int i=0; i<3; i ++ )
+ if( player->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( player->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, player->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 ++;
+ }
+ }
+ }
+}
+
+static void remote_player_world_gui( m4x4f pv, v3f root_co,
+ struct network_player *player ){
+ ui_point tag_root;
+ if( !player_tag_position( pv, root_co, tag_root ) )
+ return;
+
+ if( player ){
+ remote_player_nametag( tag_root, player );
+ chat_box( tag_root, player->chat_time, player->chat );
+ }
+ else {
+ if( netplayers.chatting )
+ chat_box( tag_root, vg.time_real, netplayers.chat_buffer );
+ else
+ chat_box( tag_root, netplayers.chat_time, netplayers.chat_message );
+ }
+}
+