+ s->state.activity_prev = k_skate_activity_ground;
+ s->state.activity = init;
+
+ v3f dir;
+ v3_copy( v, dir );
+ v3_normalize( dir );
+ m3x3_mulv( player->invbasis, dir, dir );
+
+ q_axis_angle( player->rb.q, (v3f){0.0f,1.0f,0.0f}, atan2f(-dir[0],-dir[2]) );
+ q_mul( player->qbasis, player->rb.q, player->rb.q );
+ q_normalize( player->rb.q );
+
+ q_mulv( player->rb.q, (v3f){0.0f,1.0f,0.0f}, s->state.cog );
+ v3_add( s->state.cog, player->rb.co, s->state.cog );
+
+ v3_copy( v, s->state.cog_v );
+ v3_copy( v, player->rb.v );
+
+ player__skate_reset_animator( player );
+ player__skate_clear_mechanics( player );
+ rb_update_transform( &player->rb );
+ v3_copy( (v3f){yaw,0.0f,0.0f}, s->state.trick_euler );
+
+ if( init == k_skate_activity_air )
+ player__approximate_best_trajectory( player );
+}
+
+VG_STATIC void player_walk_drop_in_to_skate( player_instance *player )
+{
+ player->subsystem = k_player_subsystem_skate;
+
+ struct player_walk *w = &player->_walk;
+ struct player_skate *s = &player->_skate;
+ s->state.activity_prev = k_skate_activity_ground;
+ s->state.activity = k_skate_activity_ground;
+
+ player__skate_clear_mechanics( player );
+ player__skate_reset_animator( player );
+
+ v3f init_velocity;
+ player_walk_drop_in_vector( player, init_velocity );
+
+ rb_update_transform( &player->rb );
+ v3_muladds( player->rb.co, player->rb.to_world[1], 1.0f, s->state.cog );
+ v3_copy( init_velocity, s->state.cog_v );
+ v3_copy( init_velocity, player->rb.v );
+ v3_copy( init_velocity, player->cam_velocity_smooth );
+ v3_copy( (v3f){1.0f,0.0f,0.0f}, s->state.trick_euler );
+}
+
+VG_STATIC void player_walk_drop_in_overhang_transform( player_instance *player,
+ float t,
+ v3f co, v4f q )
+{
+ struct player_walk *w = &player->_walk;
+
+ v3f axis;
+ v3_cross( player->basis[1], w->state.drop_in_normal, axis );
+ v3_normalize( axis );
+
+ float a = acosf( w->state.drop_in_normal[1] ) * t;
+
+ q_axis_angle( q, axis, a );
+
+ float l = t * 0.5f,
+ heading_angle = w->state.drop_in_angle;
+
+ v3f overhang;
+ overhang[0] = sinf( heading_angle ) * l;
+ overhang[1] = 0.28f * l;
+ overhang[2] = cosf( heading_angle ) * l;
+
+ q_mulv( q, overhang, overhang );
+ v3_add( w->state.drop_in_target, overhang, co );
+}
+
+VG_STATIC int player_walk_scan_for_drop_in( player_instance *player )
+{
+ struct player_walk *w = &player->_walk;
+ world_instance *world = get_active_world();
+
+ v3f dir, center;
+ q_mulv( player->rb.q, (v3f){0.0f,0.0f,1.0f}, dir );
+ v3_muladds( player->rb.co, player->rb.to_world[1], -1.0f, center );
+
+ ray_hit samples[20];
+ int sample_count = 0;
+
+ for( int i=0; i<20; i ++ )
+ {
+ float t = (float)i * (1.0f/19.0f),
+ s = sinf( t * VG_PIf * 0.25f ),
+ c = cosf( t * VG_PIf * 0.25f );
+
+ v3f ray_dir, pos;
+ v3_muls ( player->rb.to_world[1], -c, ray_dir );
+ v3_muladds( ray_dir, dir, -s, ray_dir );
+ v3_muladds( center, ray_dir, -2.0f, pos );
+
+ ray_hit *ray = &samples[ sample_count ];
+ ray->dist = 2.0f;
+
+ if( ray_world( world, pos, ray_dir, ray ) )