X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=player_replay.c;h=50ffc5ca564a7a8af2743ddedbe536c2fe044356;hb=95f6ef1a859423a0d9554ac6a9f4c6cbd8bb540c;hp=04650b73b81ed05d2de6de8ea482cad313553abe;hpb=9a63a9dde9257c8f140af3a96816bcda232fe739;p=carveJwlIkooP6JGAAIwe30JlM.git

diff --git a/player_replay.c b/player_replay.c
index 04650b7..50ffc5c 100644
--- a/player_replay.c
+++ b/player_replay.c
@@ -1,11 +1,24 @@
-#ifndef PLAYER_REPLAY_C
-#define PLAYER_REPLAY_C
-
+#include "skaterift.h"
+#include "player.h"
 #include "player_replay.h"
 #include "input.h"
 #include "gui.h"
+#include "freecam.h"
+
+#include "player_walk.h"
+#include "player_skate.h"
+#include "player_dead.h"
+#include "player_glide.h"
+
+struct replay_globals player_replay = 
+{
+   .active_keyframe = -1,
+   .show_ui = 1,
+   .editor_mode = 0
+};
 
-static void replay_clear( replay_buffer *replay ){
+void replay_clear( replay_buffer *replay )
+{
    replay->head = NULL;
    replay->tail = NULL;
    replay->cursor_frame = NULL;
@@ -13,16 +26,20 @@ static void replay_clear( replay_buffer *replay ){
    replay->cursor = -99999.9;
 }
 
-static 
-void * replay_frame_data( replay_frame *frame, enum replay_framedata type ){
+void *replay_frame_data( replay_frame *frame, enum replay_framedata type )
+{
+   if( frame->data_table[type][1] == 0 )
+      return NULL;
+
    void *baseptr = frame;
    return baseptr + frame->data_table[type][0];
 }
 
-static u16
-replay_frame_calculate_data_offsets( u16 data_table[4][2] ){
+static u16 replay_frame_calculate_data_offsets( 
+      u16 data_table[k_replay_framedata_rows][2] ){
+
    u32 total = vg_align8( sizeof(replay_frame) );
-   for( u32 i=0; i<4; i++ ){
+   for( u32 i=0; i<k_replay_framedata_rows; i++ ){
       data_table[i][0] = total;
       total += vg_align8(data_table[i][1]);
 
@@ -49,29 +66,41 @@ static void replay_tailpop( replay_buffer *replay ){
 static replay_frame *replay_newframe( replay_buffer *replay, 
                                          u16 animator_size,
                                          u16 gamestate_size,
-                                         u16 sfx_count ){
-   u16 data_table[4][2];
+                                         u16 sfx_count,
+                                         bool save_glider ){
+   u16 data_table[ k_replay_framedata_rows ][2];
    data_table[ k_replay_framedata_animator ][1]  = animator_size;
    data_table[ k_replay_framedata_gamestate ][1] = gamestate_size;
-   data_table[ k_replay_framedata_sfx ][1]       = 0;
+   data_table[ k_replay_framedata_sfx ][1] = sfx_count*sizeof(struct net_sfx);
    data_table[ k_replay_framedata_internal_gamestate ][1] = 0;
-   if( gamestate_size ){
+   if( gamestate_size )
+   {
       data_table[ k_replay_framedata_internal_gamestate ][1] = 
          sizeof( replay_gamestate );
    }
 
+   data_table[ k_replay_framedata_glider ][1] = 0;
+   if( save_glider )
+   {
+      data_table[ k_replay_framedata_glider ][1] = 
+         sizeof(struct replay_glider_data);
+   }
+
    u32 nextsize = replay_frame_calculate_data_offsets( data_table );
 
    replay_frame *frame = NULL;
-   if( replay->head ){
+   if( replay->head )
+   {
       u32 headsize = replay->head->total_size,
           nextpos  = ((void *)replay->head - replay->data) + headsize;
 
-      if( nextpos + nextsize > replay->size ){
+      if( nextpos + nextsize > replay->size )
+      {
          nextpos = 0;
          
          /* maintain contiguity */
-         while( replay->tail ){
+         while( replay->tail )
+         {
             if( (void *)replay->tail - replay->data )
                replay_tailpop( replay );
             else break;
@@ -81,8 +110,10 @@ static replay_frame *replay_newframe( replay_buffer *replay,
 check_again:;
       u32 tailpos = (void *)replay->tail - replay->data;
 
-      if( tailpos >= nextpos ){
-         if( nextpos + nextsize > tailpos ){
+      if( tailpos >= nextpos )
+      {
+         if( nextpos + nextsize > tailpos )
+         {
             replay_tailpop( replay );
 
             if( replay->tail )
@@ -98,7 +129,8 @@ check_again:;
    else
       frame = replay->data;
 
-   for( u32 i=0; i<4; i++ ){
+   for( u32 i=0; i<k_replay_framedata_rows; i++ )
+   {
       frame->data_table[i][0] = data_table[i][0];
       frame->data_table[i][1] = data_table[i][1];
    }
@@ -113,9 +145,20 @@ check_again:;
    return frame;
 }
 
-static void replay_seek( replay_buffer *replay, f64 t ){
-   if( !replay->head ) return;
-   assert( replay->tail );
+static void replay_emit_frame_sounds( replay_frame *frame ){
+   void *baseptr = frame;
+   u16 *inf = frame->data_table[k_replay_framedata_sfx];
+   struct net_sfx *buffer = baseptr + inf[0];
+   u32 count = inf[1] / sizeof(struct net_sfx);
+
+   for( u32 i=0; i<count; i ++ ){
+      net_sfx_play( buffer + i );
+   }
+}
+
+int replay_seek( replay_buffer *replay, f64 t )
+{
+   if( !replay->head ) return 0;
 
    if( t < replay->tail->time ) t = replay->tail->time;
    if( t > replay->head->time ) t = replay->head->time;
@@ -131,13 +174,18 @@ static void replay_seek( replay_buffer *replay, f64 t ){
    }
 
    f64 dir = t - replay->cursor;
-   if( dir == 0.0 ) return;
+   if( dir == 0.0 ) return 0;
    dir = vg_signf( dir );
+
    
    u32 i=4096;
    while( i --> 0 ){
-      if( dir < 0.0 )
-         if( t > replay->cursor_frame->time ) break;
+      if( dir < 0.0 ){
+         if( t > replay->cursor_frame->time ) {
+            replay->cursor = t;
+            return 1;
+         }
+      }
 
       replay_frame *next;
       if( dir > 0.0 ) next = replay->cursor_frame->r;
@@ -145,19 +193,27 @@ static void replay_seek( replay_buffer *replay, f64 t ){
 
       if( !next ) break;
 
-      if( dir > 0.0 )
-         if( t < next->time ) break;
+      if( dir > 0.0 ){
+         if( t < next->time ){
+            replay->cursor = t;
+            return 1;
+         }
+      }
+
+      replay_emit_frame_sounds( next );
 
       replay->cursor_frame = next;
       replay->cursor = next->time;
 
-      if( !i ) return;
+      if( !i ) return 1;
    }
 
    replay->cursor = t;
+   return 0;
 }
 
-static replay_frame *replay_find_recent_stateframe( replay_buffer *replay ){
+replay_frame *replay_find_recent_stateframe( replay_buffer *replay )
+{
    replay_frame *frame = replay->cursor_frame;
    u32 i=4096;
    while( i --> 0 ){
@@ -169,56 +225,169 @@ static replay_frame *replay_find_recent_stateframe( replay_buffer *replay ){
    return NULL;
 }
 
-static f32 replay_subframe_time( replay_buffer *replay ){
+f32 replay_subframe_time( replay_buffer *replay )
+{
    replay_frame *frame = replay->cursor_frame;
    if( !frame ) return 0.0f;
    replay_frame *next = frame->r;
-   if( next ){
+   if( next )
+   {
       f64 l = next->time - frame->time,
-          t = (replay->cursor - frame->time) / l;
+          t = (l <= (1.0/128.0))? 0.0: (replay->cursor - frame->time) / l;
       return vg_clampf( t, 0.0f, 1.0f );
    }
    else 
       return 0.0f;
 }
 
-static void replay_get_frame_camera( replay_frame *frame, camera *cam ){
-   cam->fov = frame->cam_fov;
-   v3_copy( frame->cam_pos, cam->pos );
-   v3_copy( frame->cam_angles, cam->angles );
+void replay_get_frame_camera( replay_frame *frame, vg_camera *cam )
+{
+   cam->fov = frame->cam.fov;
+   v3_copy( frame->cam.pos, cam->pos );
+   v3_copy( frame->cam.angles, cam->angles );
 }
 
-static void replay_get_camera( replay_buffer *replay, camera *cam ){
+void replay_get_camera( replay_buffer *replay, vg_camera *cam )
+{
    cam->nearz = 0.1f;
    cam->farz = 100.0f;
-   if( replay->cursor_frame ){
+   if( replay->cursor_frame )
+   {
       replay_frame *next = replay->cursor_frame->r;
 
-      if( next ){
-         camera temp;
+      if( next )
+      {
+         vg_camera temp;
          
          replay_get_frame_camera( replay->cursor_frame, cam );
          replay_get_frame_camera( next, &temp );
-         camera_lerp( cam, &temp, replay_subframe_time( replay ), cam );
+         vg_camera_lerp( cam, &temp, replay_subframe_time( replay ), cam );
       }
-      else {
+      else 
+      {
          replay_get_frame_camera( replay->cursor_frame, cam );
       }
    }
-   else {
+   else 
+   {
       v3_zero( cam->pos );
       v3_zero( cam->angles );
       cam->fov = 90.0f;
    }
 }
 
-struct replay_rb{
+void skaterift_get_replay_cam( vg_camera *cam )
+{
+   replay_buffer *replay = &player_replay.local;
+
+   if( player_replay.active_keyframe != -1 )
+   {
+      replay_keyframe *kf = 
+         &player_replay.keyframes[player_replay.active_keyframe];
+
+      v3_copy( kf->cam.pos, cam->pos );
+      v3_copy( kf->cam.angles, cam->angles );
+      cam->fov = kf->cam.fov;
+      return;
+   }
+
+   if( player_replay.keyframe_count >= 2 )
+   {
+      for( u32 i=0; i<player_replay.keyframe_count-1; i ++ )
+      {
+         replay_keyframe *kf = &player_replay.keyframes[i];
+
+         if( (kf[0].time<=replay->cursor) && (kf[1].time>replay->cursor) )
+         {
+            f64 l = kf[1].time - kf[0].time,
+                t = (l <= (1.0/128.0))? 0.0: (replay->cursor-kf[0].time) / l;
+
+            if( player_replay.keyframe_count >= 3 )
+            {
+               f32 m_start = 0.5f, m_end = 0.5f;
+
+               if( i > 0 )
+               {
+                  if( (t < 0.5f) || (i==player_replay.keyframe_count-2) )
+                  {
+                     kf --;
+                  }
+               }
+
+               u32 last = player_replay.keyframe_count-1;
+               if( kf+0 == player_replay.keyframes ) m_start = 1.0f;
+               if( kf+2 == player_replay.keyframes+last ) m_end = 1.0f;
+
+               f32 ts = vg_lerpf( kf[0].time, kf[1].time, 1.0f-m_start ),
+                   te = vg_lerpf( kf[1].time, kf[2].time, m_end );
+
+               l = te-ts;
+               t = (replay->cursor-ts)/l;
+
+               /* 
+                * Adjust t, so that its derivative matches at the endpoints.
+                * Since t needs to go from 0 to 1, it will naturally change at 
+                * different rates between keyframes. So this smooths it out.
+                *
+                * Newton method, going through standard direct quadratic eq has 
+                * precision / other problems. Also we only care about 0>t>1. 
+                */
+               f32 b = (kf[1].time-ts)/l,
+                  x0 = 1.0-t;
+               for( u32 i=0; i<4; i ++ )
+               {
+                  f32 ix0 = 1.0f-x0,
+                      fx_x0 = 2.0f*b*x0*ix0 + ix0*ix0 - t,
+                      fxd_x0 = 2.0f*(-2.0f*b*x0 + b + x0 - 1.0f);
+                   x0 = x0 - (fx_x0/fxd_x0);
+               }
+               t = 1.0-x0;
+
+               f32 t0 = t*m_start+(1.0f-m_start),
+                   t1 = t*m_end;
+
+               v3f ps, pe, as, ae;
+               f32 fs, fe;
+
+               /* first order */
+               v3_lerp( kf[0].cam.pos, kf[1].cam.pos, t0, ps );
+               vg_camera_lerp_angles( kf[0].cam.angles, kf[1].cam.angles, 
+                                      t0, as );
+               fs = vg_lerpf( kf[0].cam.fov, kf[1].cam.fov, t0 );
+
+               v3_lerp( kf[1].cam.pos, kf[2].cam.pos, t1, pe );
+               vg_camera_lerp_angles( kf[1].cam.angles, kf[2].cam.angles, 
+                                      t1, ae );
+               fe = vg_lerpf( kf[1].cam.fov, kf[2].cam.fov, t1 );
+
+               /* second order */
+               v3_lerp( ps, pe, t, cam->pos );
+               vg_camera_lerp_angles( as, ae, t, cam->angles );
+               cam->fov = vg_lerpf( fs, fe, t );
+            }
+            else 
+            {
+               v3_lerp( kf[0].cam.pos,  kf[1].cam.pos, t, cam->pos );
+               vg_camera_lerp_angles( kf[0].cam.angles, kf[1].cam.angles, 
+                                      t, cam->angles );
+               cam->fov = vg_lerpf( kf[0].cam.fov, kf[1].cam.fov, t );
+            }
+            return;
+         }
+      }
+   }
+
+   replay_get_camera( replay, cam );
+}
+
+struct replay_rb
+{
    v3f co, v, w;
    v4f q;
 };
 
-static 
-void skaterift_record_frame( replay_buffer *replay, int force_gamestate ){
+void skaterift_record_frame( replay_buffer *replay, int force_gamestate )
+{
    f64 delta      = 9999999.9,
        statedelta = 9999999.9;
 
@@ -232,43 +401,52 @@ void skaterift_record_frame( replay_buffer *replay, int force_gamestate ){
              k_gamestate_rate = 0.5;
 
    int save_frame = 0,
-       save_state = 0;
+       save_state = 0,
+       save_glider = 0;
 
    if( force_gamestate ) save_state = 1;
    if( statedelta > k_gamestate_rate ) save_state = 1;
    if( delta > k_replay_rate ) save_frame = 1;
    if( save_state ) save_frame = 1;
 
+   if( localplayer.have_glider || localplayer.glider_orphan ||
+       localplayer.subsystem == k_player_subsystem_glide ){
+      save_glider = 1;
+   }
+
    if( !save_frame ) return;
 
    u16 gamestate_size = 0;
    if( save_state ){
+      /* TODO: have as part of system struct */
       gamestate_size = (u32 []){ 
          [k_player_subsystem_walk ] = sizeof(struct player_walk_state),
          [k_player_subsystem_drive] = 0,
          [k_player_subsystem_skate] = sizeof(struct player_skate_state),
          [k_player_subsystem_dead ] = localplayer.ragdoll.part_count * 
-                                       sizeof(struct replay_rb)
+                                       sizeof(struct replay_rb),
+         [k_player_subsystem_glide] = sizeof(struct replay_rb),
       }[ localplayer.subsystem ];
    }
 
-   u16 animator_size = (u16 []){
-      [k_player_subsystem_walk ] = sizeof(struct player_walk_animator),
-      [k_player_subsystem_drive] = 0,
-      [k_player_subsystem_skate] = sizeof(struct player_skate_animator),
-      [k_player_subsystem_dead ] = sizeof(struct player_dead_animator)
-   }[ localplayer.subsystem ];
+   u16 animator_size = player_subsystems[localplayer.subsystem]->animator_size;
    
    replay_frame *frame = replay_newframe( replay,
-                                          animator_size, gamestate_size, 0 );
+                                          animator_size, gamestate_size, 
+                                          localplayer.local_sfx_buffer_count,
+                                          save_glider );
    frame->system = localplayer.subsystem;
 
    if( save_state ){
       replay_gamestate *gs = 
          replay_frame_data( frame, k_replay_framedata_internal_gamestate );
 
+      gs->current_run_version = world_static.current_run_version;
+      gs->drowned = localplayer.drowned;
+
       /* permanent block */
       memcpy( &gs->rb, &localplayer.rb, sizeof(rigidbody) );
+      memcpy( &gs->glider_rb, &player_glide.rb, sizeof(rigidbody) );
       memcpy( &gs->cam_control, &localplayer.cam_control, 
                sizeof(struct player_cam_controller) );
       v3_copy( localplayer.angles, gs->angles );
@@ -283,13 +461,32 @@ void skaterift_record_frame( replay_buffer *replay, int force_gamestate ){
       else if( localplayer.subsystem == k_player_subsystem_dead ){
          struct replay_rb *arr = dst;
          for( u32 i=0; i<localplayer.ragdoll.part_count; i ++ ){
-            rigidbody *rb = &localplayer.ragdoll.parts[i].obj.rb;
+            rigidbody *rb = &localplayer.ragdoll.parts[i].rb;
             v3_copy( rb->co, arr[i].co );
             v3_copy( rb->w, arr[i].w );
             v3_copy( rb->v, arr[i].v );
             v4_copy( rb->q, arr[i].q );
          }
       }
+      else if( localplayer.subsystem == k_player_subsystem_glide ){
+         struct replay_rb *arr = dst;
+         rigidbody *rb = &player_glide.rb;
+         v3_copy( rb->co, arr[0].co );
+         v3_copy( rb->w, arr[0].w );
+         v3_copy( rb->v, arr[0].v );
+         v4_copy( rb->q, arr[0].q );
+      }
+   }
+
+   if( save_glider ){
+      struct replay_glider_data *inf = 
+         replay_frame_data( frame, k_replay_framedata_glider );
+
+      inf->have_glider   = localplayer.have_glider;
+      inf->glider_orphan = localplayer.glider_orphan;
+      inf->t             = player_glide.t;
+      v3_copy( player_glide.rb.co, inf->co );
+      v4_copy( player_glide.rb.q,  inf->q );
    }
 
    replay->cursor = vg.time;
@@ -297,33 +494,42 @@ void skaterift_record_frame( replay_buffer *replay, int force_gamestate ){
    frame->time = vg.time;
 
    /* camera */
-   v3_copy( localplayer.cam.pos, frame->cam_pos );
+   v3_copy( localplayer.cam.pos, frame->cam.pos );
    if( localplayer.gate_waiting ){
       m4x3_mulv( localplayer.gate_waiting->transport, 
-                  frame->cam_pos, frame->cam_pos );
+                  frame->cam.pos, frame->cam.pos );
+
+      v3f v0;
+      v3_angles_vector( localplayer.cam.angles, v0 );
+      m3x3_mulv( localplayer.gate_waiting->transport, v0, v0 );
+      v3_angles( v0, frame->cam.angles );
    }
-   v3_copy( localplayer.cam.angles, frame->cam_angles );
-   frame->cam_fov = localplayer.cam.fov;
+   else 
+      v3_copy( localplayer.cam.angles, frame->cam.angles );
+
+   frame->cam.fov = localplayer.cam.fov;
 
    /* animator */
-   void *dst = replay_frame_data( frame, k_replay_framedata_animator );
+   void *dst = replay_frame_data( frame, k_replay_framedata_animator ),
+        *src = player_subsystems[localplayer.subsystem]->animator_data;
+   memcpy( dst, src, animator_size );
 
-   if( localplayer.subsystem == k_player_subsystem_walk )
-      memcpy( dst, &player_walk.animator, animator_size );
-   else if( localplayer.subsystem == k_player_subsystem_skate )
-      memcpy( dst, &player_skate.animator, animator_size );
-   else if( localplayer.subsystem == k_player_subsystem_dead ){
-      memcpy( dst, &player_dead.animator, animator_size );
-   }
+   /* sound effects */
+   memcpy( replay_frame_data( frame, k_replay_framedata_sfx ),
+           localplayer.local_sfx_buffer,
+           sizeof(struct net_sfx)*localplayer.local_sfx_buffer_count );
+
+   localplayer.local_sfx_buffer_count = 0;
 }
 
-static
-void skaterift_restore_frame( replay_frame *frame ){
+static void skaterift_restore_frame( replay_frame *frame )
+{
    replay_gamestate *gs = 
       replay_frame_data( frame, k_replay_framedata_internal_gamestate );
    void *src = replay_frame_data( frame, k_replay_framedata_gamestate );
    u16 src_size = frame->data_table[ k_replay_framedata_gamestate ][1];
-   assert( src_size );
+   world_static.current_run_version = gs->current_run_version;
+   localplayer.drowned = gs->drowned;
 
    if(frame->system == k_player_subsystem_walk ){
       memcpy( &player_walk.state, src, src_size );
@@ -332,12 +538,12 @@ void skaterift_restore_frame( replay_frame *frame ){
       memcpy( &player_skate.state, src, src_size );
    }
    else if( frame->system == k_player_subsystem_dead ){
-      player__dead_transition();
+      player__dead_transition(0);
       struct replay_rb *arr = src;
 
       for( u32 i=0; i<localplayer.ragdoll.part_count; i ++ ){
          struct ragdoll_part *part = &localplayer.ragdoll.parts[i];
-         rigidbody *rb = &part->obj.rb;
+         rigidbody *rb = &part->rb;
 
          v3_copy( arr[i].co, rb->co );
          v3_copy( arr[i].w, rb->w );
@@ -346,178 +552,242 @@ void skaterift_restore_frame( replay_frame *frame ){
 
          v3_copy( arr[i].co, part->prev_co );
          v4_copy( arr[i].q, part->prev_q );
+         rb_update_matrices( rb );
       }
    }
+   else if( frame->system == k_player_subsystem_glide ){
+      struct replay_rb *arr = src;
+      rigidbody *rb = &player_glide.rb;
+      v3_copy( arr[0].co, rb->co );
+      v3_copy( arr[0].w, rb->w );
+      v3_copy( arr[0].v, rb->v );
+      v4_copy( arr[0].q, rb->q );
+      rb_update_matrices( rb );
+   }
 
    localplayer.subsystem = frame->system;
 
+   /* restore the seperated glider data if we have it */
+   if( frame->data_table[ k_replay_framedata_glider ][1] ){
+      struct replay_glider_data *inf = 
+         replay_frame_data( frame, k_replay_framedata_glider );
+
+      localplayer.have_glider   = inf->have_glider;
+      localplayer.glider_orphan = inf->glider_orphan;
+      player_glide.t            = inf->t;
+   }
+   else {
+      localplayer.have_glider = 0;
+      localplayer.glider_orphan = 0;
+      player_glide.t = 0.0f;
+   }
+
    memcpy( &localplayer.rb, &gs->rb, sizeof(rigidbody) );
+   memcpy( &player_glide.rb, &gs->glider_rb, sizeof(rigidbody) );
    v3_copy( gs->angles, localplayer.angles );
 
-   v3_copy( frame->cam_pos, localplayer.cam.pos );
-   v3_copy( frame->cam_angles, localplayer.cam.angles );
-   localplayer.cam.fov = frame->cam_fov;
+   v3_copy( frame->cam.pos, localplayer.cam.pos );
+   v3_copy( frame->cam.angles, localplayer.cam.angles );
+   localplayer.cam.fov = frame->cam.fov;
 
    memcpy( &localplayer.cam_control, &gs->cam_control, 
             sizeof(struct player_cam_controller) );
 
    /* chop end off replay */
    frame->r = NULL;
-   skaterift.replay.statehead = frame;
-   skaterift.replay.head = frame;
-   skaterift.replay.cursor_frame = frame;
-   skaterift.replay.cursor = frame->time;
-   skaterift.replay_control = k_replay_control_scrub;
+   player_replay.local.statehead = frame;
+   player_replay.local.head = frame;
+   player_replay.local.cursor_frame = frame;
+   player_replay.local.cursor = frame->time;
+   player_replay.replay_control = k_replay_control_scrub;
    skaterift.activity = k_skaterift_default;
    vg.time = frame->time;
 }
 
 static void skaterift_replay_resume(void){
-   replay_frame *prev = replay_find_recent_stateframe(&skaterift.replay);
+   replay_frame *prev = replay_find_recent_stateframe(&player_replay.local);
 
    if( prev ){
-      skaterift.replay_control = k_replay_control_resume;
-      skaterift.resume_target = prev;
-      skaterift.resume_begin = skaterift.replay.cursor;
-      skaterift.resume_transition = 0.0f;
+      player_replay.replay_control = k_replay_control_resume;
+      player_replay.resume_target = prev;
+      player_replay.resume_begin = player_replay.local.cursor;
+      player_replay.resume_transition = 0.0f;
    }
+
+   gui_helper_clear();
 }
 
-static void skaterift_replay_pre_update(void){
+static void skaterift_replay_update_helpers(void);
+
+void skaterift_replay_pre_update(void)
+{
    if( skaterift.activity != k_skaterift_replay ) return;
 
-   if( skaterift.replay_control == k_replay_control_resume ){
-      if( skaterift.replay.cursor_frame == skaterift.resume_target ||
-          skaterift.replay.cursor_frame == NULL ){
-         skaterift_restore_frame( skaterift.resume_target );
+   bool input = player_replay.editor_mode^0x1;
+
+   if( player_replay.replay_control == k_replay_control_resume )
+   {
+      if( player_replay.local.cursor_frame == player_replay.resume_target ||
+          player_replay.local.cursor_frame == NULL )
+      {
+         skaterift_restore_frame( player_replay.resume_target );
       }
-      else {
-         vg_slewf( &skaterift.resume_transition, 1.0f, 
+      else 
+      {
+         vg_slewf( &player_replay.resume_transition, 1.0f, 
                    vg.time_frame_delta * (1.0f/1.0f) );
 
-         if( skaterift.resume_transition >= 1.0f )
-            skaterift_restore_frame( skaterift.resume_target );
+         if( player_replay.resume_transition >= 1.0f )
+            skaterift_restore_frame( player_replay.resume_target );
          else {
-            f64 target = vg_lerp( skaterift.resume_begin, 
-                              skaterift.resume_target->time, 
-                              vg_smoothstepf( skaterift.resume_transition ) );
-            replay_seek( &skaterift.replay, target );
+            f64 target = vg_lerp( player_replay.resume_begin, 
+                           player_replay.resume_target->time, 
+                           vg_smoothstepf( player_replay.resume_transition ) );
+            if( replay_seek( &player_replay.local, target ) )
+               player_replay.track_velocity = 1.0f;
+            else
+               player_replay.track_velocity = 0.0f;
          }
       }
    }
-   else {
-      if( button_down( k_srbind_replay_play ) )
-         skaterift.replay_control = k_replay_control_play;
-      if( button_down( k_srbind_replay_freecam ) ){
-         skaterift.freecam = skaterift.freecam ^ 0x1;
-
-         if( skaterift.freecam )
-            replay_get_camera( &skaterift.replay, &skaterift.replay_freecam );
+   else 
+   {
+      if( input && button_down( k_srbind_replay_play ) )
+         player_replay.replay_control = k_replay_control_play;
+      if( input && button_down( k_srbind_replay_freecam ) )
+      {
+         player_replay.use_freecam ^= 0x1;
+
+         if( player_replay.use_freecam )
+         {
+            replay_get_camera( &player_replay.local, 
+                               &player_replay.replay_freecam );
+         }
+         skaterift_replay_update_helpers();
       }
 
-      f32 target_speed = axis_state( k_sraxis_replay_h ) * 5.0;
-      if( button_press( k_srbind_reset ) )
+      f32 target_speed = 0.0f;
+      if( input )
+         target_speed = axis_state( k_sraxis_replay_h ) * 5.0;
+
+      if( input && button_press( k_srbind_reset ) )
          target_speed += -2.0;
 
       if( fabsf(target_speed) > 0.01f )
-         skaterift.replay_control = k_replay_control_scrub;
+         player_replay.replay_control = k_replay_control_scrub;
 
-      if( skaterift.replay_control == k_replay_control_play )
+      if( player_replay.replay_control == k_replay_control_play )
          target_speed = 1.0;
 
-      vg_slewf( &skaterift.track_velocity, target_speed, 
+      vg_slewf( &player_replay.track_velocity, target_speed, 
                 18.0f*vg.time_frame_delta );
 
-      if( fabsf( skaterift.track_velocity ) > 0.0001f ){
-         f64 target = skaterift.replay.cursor;
-         target += skaterift.track_velocity * vg.time_frame_delta;
+      if( fabsf( player_replay.track_velocity ) > 0.0001f )
+      {
+         f64 target = player_replay.local.cursor;
+         target += player_replay.track_velocity * vg.time_frame_delta;
 
-         replay_seek( &skaterift.replay, target );
+         if( !replay_seek( &player_replay.local, target ) )
+            player_replay.track_velocity = 0.0f;
       }
 
-      if( button_down( k_srbind_mback ) ){
-         if( skaterift.replay.statehead )
-            skaterift_restore_frame( skaterift.replay.statehead );
+      if( input && button_down( k_srbind_mback ) )
+      {
+         if( player_replay.local.statehead )
+            skaterift_restore_frame( player_replay.local.statehead );
          else
             skaterift.activity = k_skaterift_default;
-         srinput.enabled = 0;
+         srinput.state = k_input_state_resume;
+         gui_helper_clear();
       }
 
-      gui_helper_action( button_display_string(k_srbind_replay_play), "play" );
-      gui_helper_action( axis_display_string(k_sraxis_replay_h), "scrub" );
-      if( skaterift.freecam ){
-         gui_helper_action( button_display_string(k_srbind_replay_freecam), 
-                            "exit freecam" );
-
-         camera *cam = &skaterift.replay_freecam;
-         v3f angles;
-         v3_copy( cam->angles, angles );
-         player_look( angles, 1.0f );
-
-         f32 decay = vg_maxf(0.0f,1.0f-vg.time_frame_delta*10.0f);
-
-         v3f d;
-         v3_sub( angles, cam->angles, d );
-         v3_muladds( skaterift.freecam_w, d, 20.0f, skaterift.freecam_w );
-         v3_muls( skaterift.freecam_w, decay, skaterift.freecam_w );
-         v3_muladds( cam->angles, skaterift.freecam_w, vg.time_frame_delta,
-                     cam->angles );
-         cam->angles[1] = vg_clampf( cam->angles[1], -VG_PIf*0.5f,VG_PIf*0.5f);
-
-         camera_update_transform( cam );
- 
-         v3f lookdir = { 0.0f, 0.0f, -1.0f },
-             sidedir = { 1.0f, 0.0f,  0.0f };
-
-         m3x3f mtx;
-         m3x3_mul( cam->transform, localplayer.basis, mtx );
-         
-         m3x3_mulv( mtx, lookdir, lookdir );
-         m3x3_mulv( mtx, sidedir, sidedir );
-
-         v2f input;
-         joystick_state( k_srjoystick_steer, input );
-         v2_muls( input, vg.time_frame_delta*6.0f*20.0f, input );
-         
-         v3_muladds( skaterift.freecam_v, lookdir, -input[1], 
-                     skaterift.freecam_v );
-         v3_muladds( skaterift.freecam_v, sidedir, input[0], 
-                     skaterift.freecam_v );
-
-         v3_muls( skaterift.freecam_v, decay, skaterift.freecam_v );
-         v3_muladds( cam->pos,
-                     skaterift.freecam_v, vg.time_frame_delta, cam->pos );
-      }
-      else {
-         gui_helper_action( button_display_string(k_srbind_replay_resume), 
-                            "resume" );
-         gui_helper_action( button_display_string(k_srbind_replay_freecam), 
-                            "enter freecam" );
-
-         if( button_down( k_srbind_replay_resume ) ){
-            skaterift_replay_resume();
+      if( input )
+      {
+         if( player_replay.use_freecam )
+         {
+            freecam_preupdate();
+         }
+         else 
+         {
+            if( button_down( k_srbind_replay_resume ) )
+            {
+               skaterift_replay_resume();
+            }
          }
       }
    }
 }
 
-static void skaterift_get_replay_camera( camera *cam ){
-   if( skaterift.freecam ){
-      cam->nearz = 0.1f;
-      cam->farz = 100.0f;
-      v3_copy( skaterift.replay_freecam.pos, cam->pos );
-      v3_copy( skaterift.replay_freecam.angles, cam->angles );
-      cam->fov = skaterift.replay_freecam.fov;
-   }
-   else{
-      replay_get_camera( &skaterift.replay, &skaterift.cam );
+static void skaterift_replay_update_helpers(void)
+{
+   player_replay.helper_resume->greyed = player_replay.use_freecam;
+
+   vg_str freecam_text;
+   vg_strnull( &freecam_text, player_replay.helper_freecam->text, 
+               GUI_HELPER_TEXT_LENGTH );
+   vg_strcat( &freecam_text, 
+               player_replay.use_freecam? "Exit freecam": "Freecam" );
+}
+
+static void replay_show_helpers(void)
+{
+   gui_helper_clear();
+   vg_str text;
+
+   if( gui_new_helper( input_axis_list[k_sraxis_replay_h], &text ) )
+      vg_strcat( &text, "Scrub" );
+
+   if( (player_replay.helper_resume = gui_new_helper( 
+               input_button_list[k_srbind_replay_resume], &text )) )
+      vg_strcat( &text, "Resume" );
+   
+   if( gui_new_helper( input_button_list[k_srbind_replay_play], &text ))
+      vg_strcat( &text, "Playback" );
+
+   player_replay.helper_freecam = gui_new_helper(
+         input_button_list[k_srbind_replay_freecam], &text );
+
+   skaterift_replay_update_helpers();
+}
+
+void skaterift_replay_post_render(void)
+{
+#ifndef SR_ALLOW_REWIND_HUB
+   if( world_static.active_instance != k_world_purpose_client )
+      return;
+#endif
+
+   /* capture the current resume frame at the very last point */
+   if( button_down( k_srbind_reset ) )
+   {
+      if( skaterift.activity == k_skaterift_default )
+      {
+         localplayer.rewinded_since_last_gate = 1;
+         skaterift.activity = k_skaterift_replay;
+         skaterift_record_frame( &player_replay.local, 1 );
+         if( player_replay.local.head )
+         {
+            player_replay.local.cursor = player_replay.local.head->time;
+            player_replay.local.cursor_frame = player_replay.local.head;
+         }
+         player_replay.replay_control = k_replay_control_scrub;
+         replay_show_helpers();
+      }
    }
 }
 
-static void skaterift_replay_debug_info(void){
-   player__debugtext( 2, "replay info" );
+void skaterift_replay_init(void)
+{
+   u32 bytes = 1024*1024*10;
+   player_replay.local.data = vg_linear_alloc( vg_mem.rtmemory, bytes );
+   player_replay.local.size = bytes;
+   replay_clear( &player_replay.local );
+}
 
-   replay_buffer *replay = &skaterift.replay;
+void skaterift_replay_debug_info(void)
+{
+   player__debugtext( 2, "replay info" );
+   replay_buffer *replay = &player_replay.local;
 
    u32 head = 0,
        tail = 0;
@@ -527,7 +797,7 @@ static void skaterift_replay_debug_info(void){
    player__debugtext( 1, "head @%u | tail @%u\n", head, tail );
 
    if( replay->statehead ){
-      for( u32 i=0; i<4; i++ ){
+      for( u32 i=0; i<k_replay_framedata_rows; i++ ){
          player__debugtext( 1, "[%u]: [%hu, %hu]\n", i,
               replay->statehead->data_table[i][0],
               replay->statehead->data_table[i][1] );
@@ -551,10 +821,97 @@ static void skaterift_replay_debug_info(void){
    player__debugtext( 1, "cursor: %.2fs / %.2fs\n", cur, len );
 }
 
-static void skaterift_replay_imgui(void){
+static int _keyframe_cmp( const void *p1, const void *p2 )
+{
+   const replay_keyframe *kf1 = p1, *kf2 = p2;
+   return kf1->time > kf2->time;
+}
+
+static void replay_keyframe_sort(void)
+{
+   qsort( player_replay.keyframes, player_replay.keyframe_count,
+          sizeof(replay_keyframe), _keyframe_cmp );
+}
+
+static void replay_fly_edit_keyframe( replay_keyframe *kf )
+{
+   if( ui_click_down( UI_MOUSE_LEFT ) )
+   {
+      /* init freecam */
+      v3_copy( kf->cam.pos, player_replay.replay_freecam.pos );
+      v3_copy( kf->cam.angles, player_replay.replay_freecam.angles );
+      v3_zero( player_replay.freecam_v );
+      v3_zero( player_replay.freecam_w );
+      player_replay.replay_freecam.fov = kf->cam.fov;
+   }
+
+   /* move freecam */
+   vg_ui.wants_mouse = 0;
+   freecam_preupdate();
+
+   if( vg_getkey(SDLK_q) )
+      player_replay.freecam_v[1] -= vg.time_frame_delta*6.0f*20.0f;
+   if( vg_getkey(SDLK_e) )
+      player_replay.freecam_v[1] += vg.time_frame_delta*6.0f*20.0f;
+
+   v3_copy( player_replay.replay_freecam.pos, skaterift.cam.pos );
+   v3_copy( player_replay.replay_freecam.angles, skaterift.cam.angles);
+   skaterift.cam.fov = player_replay.replay_freecam.fov;
+
+   v3_copy( skaterift.cam.pos, kf->cam.pos );
+   v3_copy( skaterift.cam.angles, kf->cam.angles );
+   kf->cam.fov = skaterift.cam.fov;
+}
+
+void skaterift_replay_imgui(void)
+{
    if( skaterift.activity != k_skaterift_replay ) return;
 
-   replay_buffer *replay = &skaterift.replay;
+   /* extra keys for entering editor */
+   static u8 f1_key = 0;
+   u8 f1_now = vg_getkey(SDLK_F1);
+   if( f1_now && !f1_key && player_replay.show_ui )
+   {
+      player_replay.editor_mode ^= 0x1;
+
+      if( player_replay.editor_mode )
+         gui_helper_clear();
+      else
+         replay_show_helpers();
+   }
+   f1_key = f1_now;
+
+   static u8 f2_key = 0;
+   u8 f2_now = vg_getkey(SDLK_F2);
+   if( f2_now && !f2_key )
+   {
+      player_replay.show_ui ^= 0x1;
+   }
+   f2_key = f2_now;
+
+   if( player_replay.editor_mode )
+   {
+      static u8 space_key = 0;
+      u8 space_now = vg_getkey(SDLK_SPACE);
+      if( space_now & !space_key )
+      {
+         player_replay.replay_control ^= k_replay_control_play;
+      }
+      space_key = space_now;
+   }
+
+   if( !player_replay.show_ui ) return;
+
+   if( player_replay.editor_mode )
+   {
+      u32 colour = ui_opacity( ui_colour(k_ui_fg), 0.3333f );
+      ui_rect cx = { vg.window_x/2, 0, 1, vg.window_y },
+              cy = { 0, vg.window_y/2, vg.window_x, 1 };
+      ui_fill( cx, colour );
+      ui_fill( cy, colour );
+   }
+
+   replay_buffer *replay = &player_replay.local;
    f64 start = replay->cursor,
        end   = replay->cursor;
    if( replay->tail ) start = replay->tail->time;
@@ -567,59 +924,280 @@ static void skaterift_replay_imgui(void){
    /* mainbar */
    ui_px height = 32,
          cwidth = 2;
-   ui_rect bar = { 0, 0, vg.window_x, height };
-   ui_fill( bar, ui_colour( k_ui_bg ) );
+   ui_rect timeline = { 0, 0, vg.window_x, height };
+   ui_fill( timeline, ui_colour( k_ui_bg ) );
 
    /* cursor frame block */
-   if( replay->cursor_frame ){
-      if( replay->cursor_frame->r ){
+   if( replay->cursor_frame )
+   {
+      if( replay->cursor_frame->r )
+      {
          f64 l = (replay->cursor_frame->r->time-replay->cursor_frame->time)/len,
              s = (replay->cursor_frame->time - start) / len;
          ui_rect box = { s*(f64)vg.window_x, 0, 
-                         VG_MAX(4,(ui_px)(l*vg.window_x)), bar[3]+2 };
+                         VG_MAX(4,(ui_px)(l*vg.window_x)), timeline[3]+2 };
          ui_fill( box, ui_colour( k_ui_bg+4 ) );
       }
    }
 
    /* cursor */
    ui_rect cusor = { cur * (f64)vg.window_x - (cwidth/2), 0, 
-                     cwidth, bar[3] };
+                     cwidth, (player_replay.editor_mode? 0: 16) + timeline[3] };
    ui_fill( cusor, ui_colour( k_ui_bg+7 ) );
 
    /* latest state marker */
-   if( replay->statehead ){
+   if( replay->statehead )
+   {
       f64 t = (replay->statehead->time - start) / len;
-      ui_rect tag = { t*(f64)vg.window_x, 0, 2, bar[3]+8 };
+      ui_rect tag = { t*(f64)vg.window_x, 0, 2, timeline[3]+8 };
       ui_fill( tag, ui_colour( k_ui_green+k_ui_brighter ) );
    }
 
    /* previous state marker */
    replay_frame *prev = replay_find_recent_stateframe( replay );
-   if( prev ){
+   if( prev )
+   {
       f64 t = (prev->time - start) / len;
-      ui_rect tag = { t*(f64)vg.window_x, 0, 2, bar[3]+8 };
+      ui_rect tag = { t*(f64)vg.window_x, 0, 2, timeline[3]+8 };
       ui_fill( tag, ui_colour( k_ui_yellow+k_ui_brighter ) );
    }
 
-   cusor[1] -= height;
-   cusor[2] = 200;
-   snprintf( buffer, 128, "-%.2fs\n", (end-replay->cursor) );
-   ui_text( cusor, buffer, 1, k_ui_align_middle_left, 0 );
+   snprintf( buffer, 128, "-%.2fs (F1: Edit replay)", (end-replay->cursor) );
+   ui_text( timeline, buffer, 1, k_ui_align_middle_left, 0 );
+   ui_text( timeline, "0s", 1, k_ui_align_middle_right, 0 );
 
-   snprintf( buffer, 128, "-%.2fs\n", len );
-   ui_text( bar, buffer, 1, k_ui_align_middle_left, 0 );
-   ui_text( bar, "0s", 1, k_ui_align_middle_right, 0 );
+   if( !player_replay.editor_mode ) return;
+   vg_ui.wants_mouse = 1;
 
-#if 0
-   char buf[256];
-   snprintf( buf, 256, "scrub: %s\nresume: %s\nplay: %s\n", 
-               axis_display_string( k_sraxis_replay_h ),
-               button_display_string( k_srbind_replay_resume ),
-               button_display_string( k_srbind_replay_play ) );
+   ui_rect panel = { 0, timeline[3] + 20, 200, 400 };
+   ui_fill( panel, ui_opacity( ui_colour(k_ui_bg), 0.5f ) );
+   ui_rect_pad( panel, (ui_px[2]){4,4} );
 
-   ui_rect info = { 0, vg.window_y-bar[3]-128, 256, 128 };
-   ui_text( info, buf, 2,0,0 );
-#endif
-}
+   if( ui_button( panel, 
+            (player_replay.replay_control == k_replay_control_play)? 
+               "Pause (space)": "Play (space)" ) == k_ui_button_click )
+   {
+      player_replay.replay_control ^= k_replay_control_play;
+   }
+
+   /* script bar */
+   ui_rect script = { 0, height + 2, vg.window_x, 16 };
+   ui_fill( script, ui_colour( k_ui_bg ) );
+
+   f64 mouse_t = start + ((f64)vg_ui.mouse[0] / (f64)vg.window_x)*len;
+
+   /* keyframe draw and select */
+   bool absorb_by_keyframe = 0;
+   ui_px lx = 0;
+   for( u32 i=0; i<player_replay.keyframe_count; i ++ )
+   {
+      replay_keyframe *kf = &player_replay.keyframes[i];
+      f64 t = (kf->time-start)/len;
+
+      ui_px x = t*(f64)vg.window_x-8;
+
+      /* draw connections between keyframes */
+      if( i )
+      {
+         ui_rect con = { lx, script[1]+7, x-lx, 1 };
+         ui_fill( con, ui_colour(k_ui_blue) );
+         vg_line( kf->cam.pos, player_replay.keyframes[i-1].cam.pos, VG__BLUE );
+      }
+
+      /* keyframe selection */
+      ui_rect tag = { x, script[1], 16, 16 };
+
+      if( ui_inside_rect( tag, vg_ui.mouse ) )
+      {
+         absorb_by_keyframe = 1;
+
+         if( ui_click_down( UI_MOUSE_LEFT ) )
+         {
+            if( player_replay.active_keyframe != i )
+            {
+               player_replay.active_keyframe = i;
+               replay_seek( &player_replay.local, kf->time );
+            }
+         }
+         else
+         {
+            ui_outline( tag, 1, ui_colour(k_ui_fg), 0 );
+         }
+      }
+
+      /* edit controls */
+      u32 drag_colour = ui_opacity( ui_colour(k_ui_bg+2), 0.5f );
+      if( i == player_replay.active_keyframe )
+      {
+         ui_outline( tag, 2, ui_colour(k_ui_fg), 0 );
+
+         ui_rect tray = { tag[0]+8-32, tag[1]+16+2, 64, 16 };
+         ui_rect dragbar = { tray[0]+16, tray[1], 32, 16 };
+
+         bool pos_correct = 0;
+
+         if( ui_inside_rect( dragbar, vg_ui.mouse_click ) )
+         {
+            if( ui_clicking( UI_MOUSE_LEFT ) )
+            {
+               drag_colour = ui_opacity( ui_colour(k_ui_fg), 0.5f );
+               pos_correct = 1;
+               replay_seek( &player_replay.local, mouse_t );
+            }
+            else if( ui_click_up( UI_MOUSE_LEFT ) )
+            {
+               pos_correct = 1;
+               kf->time = mouse_t;
+               replay_keyframe_sort();
+
+               for( u32 j=0; j<player_replay.keyframe_count; j ++ )
+               {
+                  if( player_replay.keyframes[j].time == mouse_t )
+                  {
+                     player_replay.active_keyframe = j;
+                     break;
+                  }
+               }
+            }
+
+            if( pos_correct )
+            {
+               tag[0] = vg_ui.mouse[0]-8;
+               tray[0] = tag[0]+8-32;
+               dragbar[0] = tray[0]+16;
+            }
+         }
+
+         if( ui_inside_rect( dragbar, vg_ui.mouse ) )
+         {
+            vg_ui.cursor = k_ui_cursor_hand;
+         }
+
+         if( !pos_correct )
+            ui_fill( tray, ui_opacity( ui_colour(k_ui_bg+2), 0.5f ) );
+
+         ui_fill( dragbar, drag_colour );
+         ui_text( dragbar, ":::", 1, k_ui_align_middle_center, 0 );
+
+         if( !pos_correct )
+         {
+            ui_rect btn = { tray[0], tray[1], 16, 16 };
+            if( ui_button_text( btn, "X", 1 ) == k_ui_button_click )
+            {
+               for( u32 j=i; j<player_replay.keyframe_count-1; j ++ )
+                  player_replay.keyframes[j] = player_replay.keyframes[j+1];
+
+               player_replay.keyframe_count --;
+               player_replay.active_keyframe = -1;
+            }
+
+            ui_rect btn1 = { tray[0]+48, tray[1], 16, 16 };
+
+            enum ui_button_state mask_using = 
+                  k_ui_button_holding_inside |
+                  k_ui_button_holding_outside |
+                  k_ui_button_click;
+
+            if( ui_button_text( btn1, "E", 1 ) & mask_using )
+            {
+               replay_fly_edit_keyframe( kf );
+               ui_set_mouse_pos( btn1[0]+8, btn1[1]+8 );
+            }
+         }
+      }
+
+      ui_fill( tag, ui_colour(k_ui_blue) );
+      lx = x;
+   }
+
+   /* adding keyframes */
+   if( ui_inside_rect( script, vg_ui.mouse ) )
+   {
+      vg_ui.cursor = k_ui_cursor_hand;
+
+      ui_rect cursor = { vg_ui.mouse[0], script[1], 4, 16 };
+      ui_fill( cursor, ui_colour( k_ui_fg ) );
+
+      if( !absorb_by_keyframe && ui_click_down( UI_MOUSE_LEFT ) )
+      {
+         u32 max = vg_list_size( player_replay.keyframes );
+         if( player_replay.keyframe_count == max )
+         {
+            ui_start_modal( "Maximum keyframes reached", UI_MODAL_BAD );
+         }
+         else 
+         {
+            replay_keyframe *kf = 
+               &player_replay.keyframes[player_replay.keyframe_count++];
+
+            kf->time = mouse_t;
+            v3_copy( skaterift.cam.pos, kf->cam.pos );
+            v3_copy( skaterift.cam.angles, kf->cam.angles );
+            kf->cam.fov = skaterift.cam.fov;
+
+            replay_keyframe_sort();
+         }
+      }
+   }
+
+   /* timeline scrub */
+   bool start_in_timeline = 
+      ui_clicking(UI_MOUSE_LEFT) && 
+      ui_inside_rect(timeline, vg_ui.mouse_click);
+   if( (ui_inside_rect( timeline, vg_ui.mouse )) || start_in_timeline )
+   {
+      ui_rect cursor = { vg_ui.mouse[0], timeline[1], 4, timeline[3] };
+      ui_fill( cursor, ui_colour( k_ui_fg ) );
+      vg_ui.cursor = k_ui_cursor_ibeam;
+
+      if( ui_clicking( UI_MOUSE_LEFT ) && start_in_timeline )
+      {
+         replay_seek( &player_replay.local, mouse_t );
+         player_replay.active_keyframe = -1;
+      }
+   }
+
+   if( ui_button( panel, "Clear keyframes" ) == k_ui_button_click )
+   {
+      player_replay.keyframe_count = 0;
+   }
+
+   if( (ui_button( panel, "Hide UI (F2)" ) == k_ui_button_click) )
+   {
+      player_replay.show_ui ^= 0x1;
+   }
 
-#endif /* PLAYER_REPLAY_C */
+   if( player_replay.active_keyframe != -1 )
+   {
+      replay_keyframe *kf = 
+         &player_replay.keyframes[ player_replay.active_keyframe ];
+
+      enum ui_button_state mask_using = 
+            k_ui_button_holding_inside |
+            k_ui_button_holding_outside |
+            k_ui_button_click;
+
+      if( ui_button( panel, "Edit cam" ) & mask_using )
+      {
+         replay_fly_edit_keyframe( kf );
+      }
+   }
+
+   ui_info( panel, "World settings" );
+   f32 new_time = world_current_instance()->time;
+   if( ui_slider( panel, "Time of day", 0, 1, &new_time ) )
+   {
+      world_current_instance()->time = new_time;
+   }
+
+   ui_info( panel, "" );
+   if( ui_button( panel, "Exit editor (F1)" ) == k_ui_button_click )
+   {
+      player_replay.editor_mode = 0;
+      replay_show_helpers();
+   }
+
+   /* TODO: Add Q/E scrub here too.
+    *       Add replay trimming 
+    */
+}