move audio comp to its own thing
[carveJwlIkooP6JGAAIwe30JlM.git] / world_routes.c
index f4de14c9786792985958bbea4a8d45f59f3011c3..ca072e62985290569c6a7d780e2ed0b588efea99 100644 (file)
@@ -14,7 +14,6 @@
 #include "network.h"
 
 #include "font.h"
-#include "pointcloud.h"
 #include "gui.h"
 #include "steam.h"
 #include "network_msg.h"
@@ -22,6 +21,7 @@
 
 #include "shaders/scene_route.h"
 #include "shaders/routeui.h"
+#include "ent_region.h"
 
 static void world_routes_clear( world_instance *world )
 {
@@ -40,15 +40,17 @@ static void world_routes_clear( world_instance *world )
    world_static.last_use = 0.0;
 }
 
-static void world_routes_time_lap( world_instance *world, ent_route *route )
-{
+static void world_routes_time_lap( world_instance *world, ent_route *route ){
    vg_info( "------- time lap %s -------\n", 
             mdl_pstr(&world->meta,route->pstr_name) );
 
    double start_time = 0.0;
    u32 last_version=0;
+   f64 last_time = 0.0;
+   ent_checkpoint *last_cp = NULL;
 
-   u32 valid_count=0;
+   u32 valid_sections=0;
+   int clean = !localplayer.rewinded_since_last_gate;
 
    for( u32 i=0; i<route->checkpoints_count; i++ ){
       u32 cpid  = (i+route->active_checkpoint) % route->checkpoints_count;
@@ -65,29 +67,52 @@ static void world_routes_time_lap( world_instance *world, ent_route *route )
       if( i == 0 )
          start_time = rg->timing_time;
       else{
-         if( last_version+1 == rg->timing_version ) valid_count ++;
-         else valid_count = 0;
+         if( last_version+1 == rg->timing_version ) valid_sections ++;
+         else valid_sections = 0;
       }
 
+      vg_info( "%u %f [%s]\n", rg->timing_version, rg->timing_time,
+            i? ((rg->flags & k_ent_gate_clean_pass)? "CLEAN": "     "):
+                " N/A ");
+
+      if( !(rg->flags & k_ent_gate_clean_pass) )
+         clean = 0;
+
       last_version = rg->timing_version;
-      vg_info( "%u %f\n", rg->timing_version, rg->timing_time );
+      last_time = rg->timing_time;
+      last_cp = cp;
    }
 
    if( world_static.current_run_version == last_version+1 ){
-      valid_count ++;
+      valid_sections ++;
 
       if( route->checkpoints_count == 1 ){
          route->timing_base = world_static.time;
       }
+
+      f32 section = world_static.time - last_time;
+      if( (section < last_cp->best_time) || (last_cp->best_time == 0.0f) ){
+         last_cp->best_time = section;
+      }
    }
-   else valid_count = 0;
+   else valid_sections = 0;
 
-   vg_info( "%u %f\n", world_static.current_run_version, world_static.time );
+   vg_info( "%u %f [%s]\n", 
+            world_static.current_run_version, world_static.time,
+           !localplayer.rewinded_since_last_gate? "CLEAN": "     " );
 
-   if( valid_count==route->checkpoints_count ){
+   if( valid_sections==route->checkpoints_count ){
       f64 lap_time = world_static.time - start_time;
-      //world_routes_local_set_record( world, route, lap_time );
 
+      if( (route->best_laptime == 0.0) || (lap_time < route->best_laptime) ){
+         route->best_laptime = lap_time;
+      }
+
+      route->flags |= k_ent_route_flag_achieve_silver;
+      if( clean ) route->flags |= k_ent_route_flag_achieve_gold;
+      ent_region_re_eval( world );
+
+      /* for steam achievements. */
       if( route->anon.official_track_id != 0xffffffff ){
          struct track_info *ti = &track_infos[ route->anon.official_track_id ];
          if( ti->achievement_id ){
@@ -106,10 +131,13 @@ static void world_routes_time_lap( world_instance *world, ent_route *route )
                                lap_time );
    }
 
-   route->valid_checkpoints = valid_count+1;
+   route->valid_checkpoints = valid_sections+1;
 
-   vg_info( "valid: %u\n", valid_count );
+   vg_info( "valid sections: %u\n", valid_sections );
    vg_info( "----------------------------\n" );
+
+   route->ui_residual = 1.0f;
+   route->ui_residual_block_w = route->ui_first_block_width;
 }
 
 /*
@@ -119,16 +147,6 @@ static void world_routes_activate_entry_gate( world_instance *world,
                                                  ent_gate *rg )
 {
    world_static.last_use = world_static.time;
-
-   /* disable all routes and leave the world */
-   if( rg->flags & k_ent_gate_nonlocal ){
-      for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
-         ent_route *route = mdl_arritm( &world->ent_route, i );
-         route->active_checkpoint = 0xffff;
-      }
-      return;
-   }
-
    ent_gate *dest = mdl_arritm( &world->ent_gate, rg->target );
 
    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
@@ -159,6 +177,13 @@ static void world_routes_activate_entry_gate( world_instance *world,
    dest->timing_version = world_static.current_run_version;
    dest->timing_time = world_static.time;
 
+   if( localplayer.rewinded_since_last_gate ){
+      localplayer.rewinded_since_last_gate = 0;
+      dest->flags &= ~k_ent_gate_clean_pass;
+   }
+   else
+      dest->flags |= k_ent_gate_clean_pass;
+
    world_static.current_run_version ++;
 }
 
@@ -212,90 +237,10 @@ static void world_routes_debug( world_instance *world )
    }
 }
 
-static 
-void world_routes_pointcloud_spot( world_instance *world, 
-                                   pointcloud_buffer *pcbuf, 
-                                   v3f co, f32 radius, u32 samples, v4f colour )
-{
-   v3f inv_ext;
-   v3_sub( pcbuf->boundary[1], pcbuf->boundary[0], inv_ext );
-   v3_div( (v3f){1.0f,1.0f,1.0f}, inv_ext, inv_ext );
-
-   for( u32 j=0; j<samples; j++ ){
-      if( pcbuf->count >= pcbuf->max )
-         return;
-
-      pointcloud_vert *vert = &pcbuf->buf[ pcbuf->count ++ ];
-
-      v3f sample, jitter, point;
-      vg_rand_sphere( jitter );
-      v3_muladds( co, jitter, radius, sample );
-
-      if( bh_closest_point( world->geo_bh, sample, point, radius*1.5f ) == -1 ){
-         v3_copy( sample, point );
-      }
-
-      v3f pos;
-      v3_sub( point, pcbuf->boundary[0], pos );
-      v3_mul( pos, inv_ext, pos );
-
-      float dist = 1.0f-(v3_length(jitter));
-
-      v4f final_colour;
-      v4_muls( colour, dist*dist, final_colour );
-
-      pointcloud_packvert( vert, pos, final_colour );
-   }
-}
-
-/* 
- *    '
- *    .
- *    |
- *    |
- *   /#\
- * -'###`-
- */
-static 
-void world_routes_pointcloud_tower( world_instance *world, 
-                                    pointcloud_buffer *pcbuf, 
-                                    v3f co, f32 radius, f32 height,
-                                    u32 samples, v4f colour )
-{
-   v3f inv_ext;
-   v3_sub( pcbuf->boundary[1], pcbuf->boundary[0], inv_ext );
-   v3_div( (v3f){1.0f,1.0f,1.0f}, inv_ext, inv_ext );
-
-   for( u32 j=0; j<samples; j++ ){
-      if( pcbuf->count >= pcbuf->max )
-         return;
-
-      pointcloud_vert *vert = &pcbuf->buf[ pcbuf->count ++ ];
-      
-      v3f point;
-      point[0] = vg_randf64()*2.0f-1.0f;
-      point[1] = 0.0f;
-      point[2] = vg_randf64()*2.0f-1.0f;
-      v3_normalize( point );
-      v3_muls( point, sqrtf(vg_randf64()), point );
-
-      f32 h = vg_randf64();
-      point[1] = h*h*h*height;
-      point[0] *= radius;
-      point[2] *= radius;
-
-      v3_add( point, co, point );
-      v3_sub( point, pcbuf->boundary[0], point );
-      v3_mul( point, inv_ext, point );
-
-      pointcloud_packvert( vert, point, colour );
-   }
-}
 
 static 
 void world_routes_place_curve( world_instance *world, ent_route *route,
-                               v4f h[3], v3f n0, v3f n2, scene_context *scene,
-                               pointcloud_buffer *pcbuf )
+                               v4f h[3], v3f n0, v3f n2, scene_context *scene )
 {
    float t;
    v3f p, pd;
@@ -355,11 +300,6 @@ void world_routes_place_curve( world_instance *world, ent_route *route,
 
       int resa = ray_world( world, sa, down, &ha, k_material_flag_ghosts ),
           resb = ray_world( world, sb, down, &hb, k_material_flag_ghosts );
-      
-      if( pcbuf && resa ){
-         world_routes_pointcloud_spot( world, pcbuf, ha.pos, 
-                                       12.0f, 10, route->colour );
-      }
 
       if( resa && resb ){
          struct world_surface *surfa = ray_hit_surface( world, &ha ),
@@ -375,8 +315,8 @@ void world_routes_place_curve( world_instance *world, ent_route *route,
             v3_muladds( ha.pos, up, 0.06f+gap, va.co );
             v3_muladds( hb.pos, up, 0.06f+gap, vb.co );
 
-            scene_vert_pack_norm( &va, up );
-            scene_vert_pack_norm( &vb, up );
+            scene_vert_pack_norm( &va, up, 0.0f );
+            scene_vert_pack_norm( &vb, up, 0.0f );
 
             float t1 = (travel_length / total_length) * patch_count;
             va.uv[0] = t1;
@@ -415,8 +355,7 @@ void world_routes_place_curve( world_instance *world, ent_route *route,
 }
 
 static void world_routes_gen_meshes( world_instance *world, u32 route_id, 
-                                        scene_context *sc,
-                                        pointcloud_buffer *pcbuf )
+                                        scene_context *sc )
 {
    ent_route *route = mdl_arritm( &world->ent_route, route_id );
    u8 colour[4];
@@ -527,7 +466,7 @@ static void world_routes_gen_meshes( world_instance *world, u32 route_id,
          v3_normalize( n0 );
          v3_normalize( n2 );
 
-         world_routes_place_curve( world, route, p, n0, n2, sc, pcbuf );
+         world_routes_place_curve( world, route, p, n0, n2, sc );
 
          /* --- */
          v4_copy( p[2], p[0] );
@@ -541,223 +480,6 @@ static
 struct world_surface *world_tri_index_surface( world_instance *world, 
                                                  u32 index );
 
-static f64 world_routes_scatter_surface_points( world_instance *world,
-                                                   pointcloud_buffer *pcbuf,
-                                                   f32 rate )
-{
-   static f32 densities[] = {
-      [k_surface_prop_concrete] = 2.0f,
-      [k_surface_prop_grass]    = 0.8f,
-      [k_surface_prop_metal]    = 1.0f,
-      [k_surface_prop_wood]     = 2.5f,
-      [k_surface_prop_tiles]    = 4.0f
-   };
-
-   /* calculate total area */
-   f64 total_area = 0.0f;
-   for( u32 i=0; i<world->scene_geo.indice_count/3; i++ ){
-      u32 *tri = &world->scene_geo.arrindices[i*3];
-      struct world_surface *surf = world_tri_index_surface( world, tri[0] );
-
-      if( surf->info.shader == k_shader_boundary ||
-          surf->info.shader == k_shader_invisible ) continue;
-
-      if( !(surf->info.flags & k_material_flag_preview_visibile) ) continue;
-
-      scene_vert *va = &world->scene_geo.arrvertices[tri[0]],
-                 *vb = &world->scene_geo.arrvertices[tri[1]],
-                 *vc = &world->scene_geo.arrvertices[tri[2]];
-
-      v3f v0, v1, vn;
-      v3_sub( vb->co, va->co, v0 );
-      v3_sub( vc->co, va->co, v1 );
-      v3_cross( v0, v1, vn );
-      if( vn[1] < 0.0f ) continue;
-
-      f32 density = 1.0f;
-      if( surf->info.surface_prop < vg_list_size(densities) )
-         density = densities[surf->info.surface_prop];
-      total_area += v3_length(vn)*0.5f*density;
-   }
-   
-   f32 accum = 0.0f;
-
-   u8 colour[] = { 80,80,80,255 };
-   v3f light_dir = {0.3f,0.8f,0.1f};
-   v3_normalize( light_dir );
-
-   v3f inv_ext;
-   v3_sub( pcbuf->boundary[1], pcbuf->boundary[0], inv_ext );
-   v3_div( (v3f){1.0f,1.0f,1.0f}, inv_ext, inv_ext );
-
-   for( u32 i=0; i<world->scene_geo.indice_count/3; i++ ){
-      u32 *tri = &world->scene_geo.arrindices[i*3];
-      struct world_surface *surf = world_tri_index_surface( world, tri[0] );
-
-      if( surf->info.shader == k_shader_boundary ||
-          surf->info.shader == k_shader_invisible ) continue;
-
-      if( !(surf->info.flags & k_material_flag_preview_visibile) ) continue;
-
-      scene_vert *va = &world->scene_geo.arrvertices[tri[0]],
-                 *vb = &world->scene_geo.arrvertices[tri[1]],
-                 *vc = &world->scene_geo.arrvertices[tri[2]];
-
-      v3f v0, v1, vn;
-      v3_sub( vb->co, va->co, v0 );
-      v3_sub( vc->co, va->co, v1 );
-      v3_cross( v0, v1, vn );
-      if( vn[1] < 0.0f ) continue;
-
-      f32 density = 1.0f;
-      if( surf->info.surface_prop < vg_list_size(densities) )
-         density = densities[surf->info.surface_prop];
-
-      f32 area = v3_length(vn)*0.5f*density;
-      accum += area;
-
-      v3_normalize( vn );
-
-      while( accum > rate ){
-         accum -= rate;
-
-         if( pcbuf->count >= pcbuf->max ) return total_area;
-
-         v2f co = { vg_randf64(), vg_randf64() };
-         if( v2_length2(co) > 0.5f ){
-            co[0] = 1.0f-co[0];
-            co[1] = 1.0f-co[1];
-         }
-
-         v3f pt;
-         v3_muls( v0, co[0], pt );
-         v3_muladds( pt, v1, co[1], pt );
-         v3_add( va->co, pt, pt );
-
-         if( pt[1] < world->water.height ) continue;
-         pointcloud_vert *vert = &pcbuf->buf[ pcbuf->count ++ ];
-
-         v3f pos;
-         v3_sub( pt, pcbuf->boundary[0], pos );
-         v3_mul( pos, inv_ext, pos );
-
-         static v4f colours[] = {
-            [k_surface_prop_concrete] = { 0.13, 0.15, 0.17, 1.0 },
-            [k_surface_prop_grass]    = { 0.07, 0.1, 0.14, 1.0 },
-            [k_surface_prop_metal]    = { 0.15, 0.19, 0.22, 1.0 },
-            [k_surface_prop_wood]     = { 0.1, 0.13, 0.17, 1.0 },
-            [k_surface_prop_tiles]    = { 0.05, 0.06, 0.07, 1.0 },
-         };
-
-         v4f col = {0.0f,0.0f,0.0f,0.0f};
-         if( surf->info.surface_prop < vg_list_size(colours) )
-            v4_copy( colours[surf->info.surface_prop], col );
-
-         f32 brightness = v3_dot(vn,light_dir)*0.5f+0.5f;
-         v3_muls( col, brightness, col );
-
-         pointcloud_packvert( vert, pos, col );
-      }
-   }
-
-   return total_area;
-}
-
-static void world_routes_surface_grid( world_instance *world,
-                                          pointcloud_buffer *pcbuf )
-{
-   i32 const k_gridlines = 32,
-             k_gridres   = 255;
-
-   v3f inv_ext;
-   v3_sub( pcbuf->boundary[1], pcbuf->boundary[0], inv_ext );
-   v3_div( (v3f){1.0f,1.0f,1.0f}, inv_ext, inv_ext );
-   v4f colour = {0.2f,0.2f,0.2f,1.0f};
-   v3f dir = {0.0f,-1.0f,0.0f};
-
-   for( u32 k=0; k<2; k++ ){
-      u32 a = k*2,
-          b = (k^0x1)*2;
-
-      for( i32 x=0; x<=k_gridlines; x++ ){
-         f32 t = (float)x / (float)k_gridlines,
-             px = vg_lerpf( pcbuf->boundary[0][a], pcbuf->boundary[1][a], t );
-
-         for( i32 z=0; z<=k_gridres; z++ ){
-            f32 tz = (float)z / (float)k_gridres,
-                pz = vg_lerpf(pcbuf->boundary[0][b],pcbuf->boundary[1][b], tz);
-
-            v3f ro, hit;
-            ro[a] = px;
-            ro[1] = 1000.0f;
-            ro[b] = pz;
-
-            bh_iter it;
-            bh_iter_init_ray( 0, &it, ro, dir, INFINITY );
-            i32 idx;
-
-            while( bh_next( world->geo_bh, &it, &idx ) ){
-               u32 *tri = &world->scene_geo.arrindices[ idx*3 ];
-               v3f vs[3];
-
-               u16 mask = k_material_flag_preview_visibile;
-               if( !(world->scene_geo.arrvertices[tri[0]].flags & mask) ) 
-                  continue;
-
-               for( u32 i=0; i<3; i++ ){
-                  v3_copy( world->scene_geo.arrvertices[tri[i]].co, vs[i] );
-               }
-               
-               f32 t;
-               if( ray_tri( vs, ro, dir, &t ) ){
-                  v3_muladds( ro, dir, t, hit );
-
-                  if( world->water.enabled )
-                     if( hit[1] < world->water.height )
-                        continue;
-
-                  if( pcbuf->count >= pcbuf->max ) return;
-
-                  pointcloud_vert *vert = &pcbuf->buf[ pcbuf->count ++ ];
-
-                  v3f co;
-                  v3_sub( hit, pcbuf->boundary[0], co );
-                  v3_mul( co, inv_ext, co );
-
-                  pointcloud_packvert( vert, co, colour );
-               }
-            }
-         }
-      }
-   }
-}
-
-static void world_write_preview( addon_reg *reg, pointcloud_buffer *pcbuf ){
-   if( reg->alias.workshop_id ) return;
-
-   /* 
-    * FIXME: BUG: cannot correctly handle workshop because there is a stalling
-    * call below, which deadlocks the scene upload. TODO: improve the async
-    * stack to handle out of order execution. MAYBE
-    */
-
-   char path_buf[4096];
-   vg_str path;
-   vg_strnull( &path, path_buf, 4096 );
-
-   addon_get_content_folder( reg, &path );
-   vg_strcat( &path, "/preview.bin" );
-
-   if( !vg_strgood( &path ) ) vg_fatal_error( "Path too long\n" );
-   FILE *fp = fopen( path_buf, "wb" );
-   if( !fp ) vg_fatal_error( "Cannot open '%s' for writing\n", path_buf );
-   
-   fwrite( pcbuf, sizeof(struct pointcloud_buffer) + 
-                  sizeof(struct pointcloud_vert)*pcbuf->count, 1, fp );
-   fclose( fp );
-   vg_info( "written %s\n", path_buf );
-}
-
 /* 
  * Create the strips of colour that run through the world along course paths
  */
@@ -766,32 +488,10 @@ static void world_gen_routes_generate( u32 instance_id ){
    vg_info( "Generating route meshes\n" );
    vg_async_stall();
 
-   vg_rand_seed( 2000 );
    vg_async_item *call_scene = scene_alloc_async( &world->scene_lines, 
                                                   &world->mesh_route_lines,
                                                   200000, 300000 );
 
-   vg_async_item *call_pointcloud = NULL;
-   pointcloud_buffer *pcbuf = NULL;
-
-   if( instance_id <= 1 /*world_loader.generate_point_cloud*/ ){
-      call_pointcloud = vg_async_alloc( 
-            sizeof(pointcloud_buffer) + 
-            sizeof(pointcloud_vert)*POINTCLOUD_POINTS );
-      pcbuf = call_pointcloud->payload;
-      pcbuf->count = 0;
-      pcbuf->max = POINTCLOUD_POINTS;
-      pcbuf->op = k_pointcloud_op_clear;
-
-      v3f ext, mid, v0;
-      v3_sub( world->scene_geo.bbx[1], world->scene_geo.bbx[0], ext );
-      f32 maxe = v3_maxf( ext );
-      v3_fill( v0, maxe * 0.5f );
-      v3_muladds( world->scene_geo.bbx[0], ext, 0.5f, mid );
-      v3_add( mid, v0, pcbuf->boundary[1] );
-      v3_sub( mid, v0, pcbuf->boundary[0] );
-   }
-
    for( u32 i=0; i<mdl_arrcount(&world->ent_gate); i++ ){
       ent_gate *gate = mdl_arritm( &world->ent_gate, i );
       gate->ref_count = 0;
@@ -832,28 +532,7 @@ static void world_gen_routes_generate( u32 instance_id ){
    }
 
    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
-      world_routes_gen_meshes( world, i, &world->scene_lines, pcbuf );
-   }
-
-   if( instance_id <= 1 /*world_loader.generate_point_cloud*/ ){
-      f64 area = 0.0;
-
-      area = world_routes_scatter_surface_points( world, pcbuf, 16.0f );
-      world_routes_surface_grid( world, pcbuf );
-
-      for( u32 i=0; i<mdl_arrcount( &world->ent_gate ); i++ ){
-         ent_gate *gate = mdl_arritm( &world->ent_gate, i );
-
-         world_routes_pointcloud_tower( world, pcbuf, gate->co[0], 
-                                        2.0f, 50.0f, 128, 
-                                        (v4f){0.2f,0.2f,0.2f,1.0f} );
-      }
-
-      vg_info( "Distributed %u points over %fkm^2!\n", 
-                pcbuf->count, area/1e6f );
-
-      world_write_preview( world_static.instance_addons[ instance_id ], pcbuf );
-      vg_async_dispatch( call_pointcloud, async_pointcloud_sub );
+      world_routes_gen_meshes( world, i, &world->scene_lines );
    }
 
    vg_async_dispatch( call_scene, async_scene_upload );
@@ -875,6 +554,14 @@ static void world_gen_routes_ent_init( world_instance *world ){
       ent_route *route = mdl_arritm(&world->ent_route,i);
       mdl_transform_m4x3( &route->anon.transform, route->board_transform );
 
+      route->flags = 0x00;
+      route->best_laptime = 0.0;
+      route->ui_stopper = 0.0f;
+      route->ui_residual = 0.0f;
+      
+      if( mdl_arrcount(&world->ent_region) )
+         route->flags |= k_ent_route_flag_out_of_zone;
+
       route->anon.official_track_id = 0xffffffff;
       for( u32 j=0; j<vg_list_size(track_infos); j ++ ){
          if( !strcmp(track_infos[j].name, 
@@ -918,6 +605,11 @@ static void world_gen_routes_ent_init( world_instance *world ){
       ent_gate *gate = mdl_arritm( &world->ent_gate, i );
    }
 
+   for( u32 i=0; i<mdl_arrcount(&world->ent_checkpoint); i++ ){
+      ent_checkpoint *cp = mdl_arritm( &world->ent_checkpoint, i );
+      cp->best_time = 0.0;
+   }
+
    world_routes_clear( world );
 }
 
@@ -968,8 +660,7 @@ static void world_routes_update( world_instance *world ){
    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
       ent_route *route = mdl_arritm( &world->ent_route, i );
       
-      int target = (route->active_checkpoint == 0xffff? 0: 1) || 
-                    skaterift.activity == k_skaterift_respawning;
+      int target = route->active_checkpoint == 0xffff? 0: 1;
       route->factive = vg_lerpf( route->factive, target, 
                                  0.6f*vg.time_frame_delta );
    }
@@ -1006,7 +697,7 @@ static void world_routes_fixedupdate( world_instance *world ){
    rb_presolve_contacts( rb_contact_buffer, rb_contact_count );
 
    for( int i=0; i<rb_contact_count; i++ ){
-      rb_contact_restitution( rb_contact_buffer+i, vg_randf64() );
+      rb_contact_restitution( rb_contact_buffer+i, vg_randf64(&vg.rand) );
    }
 
    for( int i=0; i<6; i++ ){
@@ -1190,13 +881,13 @@ static void world_routes_fracture( world_instance *world, ent_gate *gate,
             v3_muls( origin, -1.0f, particle->mlocal[3] );
 
             v3_copy( world_co, particle->obj.rb.co );
-            v3_muls( imp_v, 1.0f+vg_randf64(), particle->obj.rb.v );
+            v3_muls( imp_v, 1.0f+vg_randf64(&vg.rand), particle->obj.rb.v );
             particle->obj.rb.v[1] += 2.0f;
 
             v4_copy( q, particle->obj.rb.q );
-            particle->obj.rb.w[0] = vg_randf64()*2.0f-1.0f;
-            particle->obj.rb.w[1] = vg_randf64()*2.0f-1.0f;
-            particle->obj.rb.w[2] = vg_randf64()*2.0f-1.0f;
+            particle->obj.rb.w[0] = vg_randf64(&vg.rand)*2.0f-1.0f;
+            particle->obj.rb.w[1] = vg_randf64(&vg.rand)*2.0f-1.0f;
+            particle->obj.rb.w[2] = vg_randf64(&vg.rand)*2.0f-1.0f;
 
             particle->obj.type = k_rb_shape_sphere;
             particle->obj.inf.sphere.radius = r*0.6f;
@@ -1208,11 +899,15 @@ static void world_routes_fracture( world_instance *world, ent_gate *gate,
    }
 }
 
-static void render_gate_markers( int run_id, ent_gate *gate ){
+static void render_gate_markers( m4x3f world_mmdl, int run_id, ent_gate *gate ){
    for( u32 j=0; j<4; j++ ){
       if( gate->routes[j] == run_id ){
          m4x3f mmdl;
-         ent_gate_get_mdl_mtx( gate, mmdl );
+         m4x3_copy( gate->to_world, mmdl );
+         m3x3_scale( mmdl, (v3f){ gate->dimensions[0], 
+                                  gate->dimensions[1], 1.0f } );
+
+         m4x3_mul( world_mmdl, mmdl, mmdl );
          shader_model_gate_uMdl( mmdl );
          mdl_draw_submesh( &world_gates.sm_marker[j] );
          break;
@@ -1220,25 +915,47 @@ static void render_gate_markers( int run_id, ent_gate *gate ){
    }
 }
 
-static void render_world_routes( world_instance *world, camera *cam, 
-                                    int layer_depth ){
-   m4x3f identity_matrix;
-   m4x3_identity( identity_matrix );
+static void render_world_routes( world_instance *world, 
+                                 world_instance *host_world,
+                                 m4x3f mmdl, camera *cam, 
+                                 int viewing_from_gate, int viewing_from_hub ){
 
    shader_scene_route_use();
    shader_scene_route_uTexGarbage(0);
-   world_link_lighting_ub( world, _shader_scene_route.id );
-   world_bind_position_texture( world, _shader_scene_route.id, 
+   world_link_lighting_ub( host_world, _shader_scene_route.id );
+   world_bind_position_texture( host_world, _shader_scene_route.id, 
                         _uniform_scene_route_g_world_depth, 2 );
-   world_bind_light_array( world, _shader_scene_route.id,
+   world_bind_light_array( host_world, _shader_scene_route.id,
                         _uniform_scene_route_uLightsArray, 3 );
-   world_bind_light_index( world, _shader_scene_route.id,
+   world_bind_light_index( host_world, _shader_scene_route.id,
                                  _uniform_scene_route_uLightsIndex, 4 );
    bind_terrain_noise();
 
    shader_scene_route_uPv( cam->mtx.pv );
-   shader_scene_route_uPvmPrev( cam->mtx_prev.pv );
-   shader_scene_route_uMdl( identity_matrix );
+
+   if( viewing_from_hub ){
+      m4x4f m4mdl, pvm;
+      m4x3_expand( mmdl, m4mdl );
+      m4x4_mul( cam->mtx_prev.pv, m4mdl, pvm );
+      shader_scene_route_uMdl( mmdl );
+      shader_scene_route_uPvmPrev( pvm );
+
+      m3x3f mnormal;
+      m3x3_inv( mmdl, mnormal );
+      m3x3_transpose( mnormal, mnormal );
+      v3_normalize( mnormal[0] );
+      v3_normalize( mnormal[1] );
+      v3_normalize( mnormal[2] );
+      shader_scene_route_uNormalMtx( mnormal );
+   }
+   else{
+      shader_scene_route_uMdl( mmdl );
+      shader_scene_route_uPvmPrev( cam->mtx_prev.pv );
+      m3x3f ident;
+      m3x3_identity( ident );
+      shader_scene_route_uNormalMtx( ident );
+   }
+
    shader_scene_route_uCamera( cam->transform[3] );
 
    mesh_bind( &world->mesh_route_lines );
@@ -1246,9 +963,11 @@ static void render_world_routes( world_instance *world, camera *cam,
    for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
       ent_route *route = mdl_arritm( &world->ent_route, i );
 
+      f32 t = viewing_from_hub? 1.0f: route->factive;
+
       v4f colour;
-      v3_lerp( (v3f){0.7f,0.7f,0.7f}, route->colour, route->factive, colour );
-      colour[3] = route->factive*0.2f;
+      v3_lerp( (v3f){0.7f,0.7f,0.7f}, route->colour, t, colour );
+      colour[3] = t*0.2f;
 
       shader_scene_route_uColour( colour );
       mdl_draw_submesh( &route->sm );
@@ -1256,7 +975,7 @@ static void render_world_routes( world_instance *world, camera *cam,
 
    /* timers
     * ---------------------------------------------------- */
-   if( layer_depth == 0 ){
+   if( !viewing_from_gate && !viewing_from_hub ){
       font3d_bind( &gui.font, k_font_shader_default, 0, world, cam );
 
       for( u32 i=0; i<world_render.timer_text_count; i++ ){
@@ -1314,7 +1033,7 @@ static void render_world_routes( world_instance *world, camera *cam,
    glDrawBuffers( 1, (GLenum[]){ GL_COLOR_ATTACHMENT0 } );
    glDisable( GL_CULL_FACE );
 
-   if( skaterift.activity == k_skaterift_respawning ){
+   if( viewing_from_hub ){
       for( u32 i=0; i<mdl_arrcount(&world->ent_route); i++ ){
          ent_route *route = mdl_arritm( &world->ent_route, i );
 
@@ -1327,7 +1046,7 @@ static void render_world_routes( world_instance *world, camera *cam,
          for( u32 j=0; j<mdl_arrcount(&world->ent_gate); j ++ ){
             ent_gate *gate = mdl_arritm( &world->ent_gate, j );
             if( !(gate->flags & k_ent_gate_nonlocal) )
-               render_gate_markers( i, gate );
+               render_gate_markers( mmdl, i, gate );
          }
       }
    }
@@ -1343,13 +1062,13 @@ static void render_world_routes( world_instance *world, camera *cam,
 
             shader_model_gate_uColour( colour );
 
-            u32 next = route->active_checkpoint+1+layer_depth;
+            u32 next = route->active_checkpoint+1+viewing_from_gate;
                 next = next % route->checkpoints_count;
                 next += route->checkpoints_start;
 
             ent_checkpoint *cp = mdl_arritm( &world->ent_checkpoint, next );
             ent_gate *gate = mdl_arritm( &world->ent_gate, cp->gate_index );
-            render_gate_markers( i, gate );
+            render_gate_markers( mmdl, i, gate );
          }
       }
    }