TurboFisto
[carveJwlIkooP6JGAAIwe30JlM.git] / player.h
index f368c9284b3f332a4a7555b6112ccbaf2f579e95..cd7fd57a5996b28554968ed1c2b626fa043783c1 100644 (file)
--- a/player.h
+++ b/player.h
+#ifndef PLAYER_H
+#define PLAYER_H
+
+#include "player_api.h"
+
+#include "player_common.h"
+#include "player_walk.h"
+#include "player_skate.h"
+#include "player_dead.h"
+
+#define PLAYER_REWIND_FRAMES 60*4
+
+struct player_instance
+{
+   /* transform definition */
+   rigidbody rb, rb_gate_storage;
+   v3f angles, angles_storage;
+
+   v4f   qbasis;
+   m3x3f basis, invbasis, basis_gate;
+   world_instance *viewable_world;
+
+   /*
+    * Camera management
+    * ---------------------------
+    */
+   camera cam;
+
+   enum camera_mode
+   {
+      k_cam_firstperson = 0,
+      k_cam_thirdperson = 1
+   }
+   camera_mode;
+   float camera_type_blend;
+
+   v3f fpv_offset,         /* expressed relative to rigidbody */
+       tpv_offset,
+       fpv_viewpoint,      /* expressed relative to neck bone inverse final */
+       fpv_offset_smooth,
+       fpv_viewpoint_smooth,
+       tpv_offset_smooth,
+       tpv_lpf,
+       cam_velocity_smooth;
+
+   v3f cam_override_pos;
+   v2f cam_override_angles;
+   float cam_override_strength;
+
+   float cam_velocity_influence,
+         cam_velocity_coefficient,
+         cam_velocity_constant,
+         cam_velocity_coefficient_smooth,
+         cam_velocity_constant_smooth,
+         cam_velocity_influence_smooth,
+         cam_land_punch,
+         cam_land_punch_v;
+
+   ent_gate *gate_waiting;
+
+   /*
+    * Input 
+    * --------------------------------
+    */
+   struct input_binding *input_js1h,
+                        *input_js1v,
+                        *input_js2h,
+                        *input_js2v,
+                        *input_jump,
+                        *input_push,
+                        *input_trick0,
+                        *input_trick1,
+                        *input_trick2,
+                        *input_walk,
+                        *input_walkh,
+                        *input_walkv,
+                        *input_use,
+                        *input_reset,
+                        *input_grab,
+                        *input_camera;
+
+   /*
+    * Animation
+    * --------------------------------------------------
+    */
+
+   struct player_avatar  *playeravatar;
+   glmesh                *playermesh;
+   struct player_ragdoll  ragdoll;
+   vg_tex2d              *playertex;
+
+   player_pose            holdout_pose;
+   float                  holdout_time;
+
+   /*
+    * Rewind
+    * ----------------------------------------------------
+    */
+   int rewinding, rewind_sound_wait;
+
+   struct rewind_frame{
+      v3f pos;
+      v3f ang;
+   }
+   *rewind_buffer;
+   u32 rewind_length;
+   float rewind_accum;
+   ent_gate *rewind_gate;
+
+   float rewind_total_length, rewind_predicted_time,
+         dist_accum;
+   double rewind_start, rewind_time;
+
+   /*
+    * Subsystems
+    * -------------------------------------------------
+    */
+
+   enum player_subsystem
+   {
+      k_player_subsystem_walk = 0,
+      k_player_subsystem_skate = 1,
+      k_player_subsystem_dead = 2
+   }
+   subsystem,
+   subsystem_gate;
+
+   struct player_skate  _skate;
+   struct player_walk   _walk;
+   struct player_dead   _dead;
+};
+
 /*
- * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
+ * Gameloop tables
+ * ---------------------------------------------------------
  */
 
+VG_STATIC
+void (*_player_bind[])( player_instance *player ) =
+{
+   player__walk_bind,
+   player__skate_bind,
+   NULL
+};
+
+VG_STATIC
+void (*_player_reset[])( player_instance *player, ent_spawn *rp ) =
+{
+   player__walk_reset,
+   player__skate_reset,
+   NULL
+};
+
+VG_STATIC
+void (*_player_pre_update[])( player_instance *player ) = 
+{
+   player__walk_pre_update,
+   player__skate_pre_update,
+   NULL
+};
+
+VG_STATIC
+void( *_player_update[])( player_instance *player ) =
+{
+   player__walk_update,
+   player__skate_update,
+   player__dead_update,
+};
+
+VG_STATIC 
+void( *_player_post_update[])( player_instance *player ) =
+{
+   player__walk_post_update,
+   player__skate_post_update,
+   NULL
+};
+
+VG_STATIC
+void( *_player_im_gui[])( player_instance *player ) =
+{
+   player__walk_im_gui,
+   player__skate_im_gui,
+   NULL
+};
+
+VG_STATIC
+void( *_player_animate[])( player_instance *player, player_animation *dest ) =
+{
+   player__walk_animate,
+   player__skate_animate,
+   player__dead_animate
+};
+
+VG_STATIC
+void( *_player_post_animate[])( player_instance *player ) =
+{
+   player__walk_post_animate,
+   player__skate_post_animate,
+   player__dead_post_animate
+};
+
+VG_STATIC
+void( *_player_restore[] )( player_instance *player ) =
+{
+   player__walk_restore,
+   player__skate_restore,
+   NULL
+};
+
+/* implementation */
+
+#include "player.c"
+#include "player_common.c"
+#include "player_walk.c"
+#include "player_skate.c"
+#include "player_dead.c"
+
+#endif /* PLAYER_H */
+
+
+#if 0
 /*
- * TODO: Tilt camera down to face borde when its behind you or out of vision
+ * Copyright (C) 2021-2023 Mt.ZERO Software, Harry Godden - All Rights Reserved
  */
 
+#define PLAYER_H
 #ifndef PLAYER_H
 #define PLAYER_H
 
 #include "skeleton.h"
 #include "bvh.h"
 
-VG_STATIC float 
-   k_walkspeed             = 12.0f,
-   k_air_accelerate        = 20.0f,
-   k_runspeed              = 20.0f,
-   k_board_radius          = 0.3f,
-   k_board_length          = 0.45f,
-   k_board_allowance       = 0.04f,
-   //k_friction_lat          = 8.8f,
-   k_friction_lat          = 12.0f,
-   k_friction_resistance   = 0.01f,
-   k_max_push_speed        = 16.0f,
-   k_push_accel            = 10.0f,
-   k_push_cycle_rate       = 8.0f,
-   k_steer_ground          = 2.5f,
-   k_steer_air             = 3.6f,
-   k_steer_air_lerp        = 0.3f,
-   k_pump_force            = 0.0f,
-   k_downforce             = 5.0f,
-   k_walk_downforce        = 8.0f,
-   k_jump_charge_speed     = (1.0f/1.0f),
-   k_jump_force            = 5.0f,
-   k_pitch_limit           = 1.5f,
-   k_look_speed            = 2.0f,
-   k_walk_accel            = 150.0f,
-   k_walk_friction         = 8.0f,
-
-   k_cog_spring            = 0.2f,
-   k_cog_damp              = 0.02f,
-   k_cog_mass_ratio        = 0.9f,
-
-   k_mmthrow_scale         = 6.0f,
-   k_mmcollect_lat         = 2.0f,
-   k_mmcollect_vert        = 0.0f,
-   k_mmdecay               = 12.0f,
-   k_spring_angular        = 1.0f,
-
-   k_spring_force          = 15.0f,
-   k_spring_dampener       = 5.0f;
-
-VG_STATIC int freecam = 0;
-VG_STATIC int walk_grid_iterations = 1;
-VG_STATIC float fc_speed = 10.0f;
-VG_STATIC int cl_thirdperson = 0;
 
 /* 
  * -----------------------------------------------------------------------------
@@ -70,38 +245,20 @@ VG_STATIC int cl_thirdperson = 0;
 
 VG_STATIC struct gplayer
 {
-   /* Physics */
-   rigidbody collide_front, collide_back;
+   rigidbody rb, rb_frame;
+   v3f co, angles;         /* used as transfer between controllers */
 
-   struct player_phys
+   enum player_controller
    {
-      rigidbody rb, rb_gate_frame;
-      float iY, siY;   /* Yaw inertia */
-
-      v3f a, v_last, m, bob, vl;
-
-      /* Utility */
-      float vswitch, slip, slip_last, reverse;
-      float grab, jump, pushing, push_time, rise;
-      v2f grab_mouse_delta;
-
-      v3f throw_v;
-      v3f cog, 
-          cog_v;
-
-      int lift_frames;
-
-      double start_push;
-      int in_air, on_board, jump_charge, jump_dir, grind;
-
-      m3x3f vr,vr_pstep;
+      k_player_controller_walk,
+      k_player_controller_skate,
+      k_player_controller_ragdoll,
+      k_player_controller_mountain_skate,
+      k_player_controller_snowboard,
+      k_player_controller_drive
    }
-   phys, 
-   phys_gate_frame;
-
-   float normal_pressure;
-   v3f debug_mmcollect_lat,
-       debug_mmcollect_vert;
+   controller,
+   controller_frame;
 
    m4x3f visual_transform,
          inv_visual_transform;
@@ -109,25 +266,6 @@ VG_STATIC struct gplayer
    int is_dead, death_tick_allowance, rewinding;
    int rewind_sound_wait;
 
-   struct land_prediction
-   {
-      v3f   log[50];
-      v3f   n;
-      u32   log_length;
-      float score;
-
-      enum prediction_type
-      {
-         k_prediction_none,
-         k_prediction_land,
-         k_prediction_grind
-      }
-      type;
-
-      u32   colour;
-   }
-   predictions[22];
-   u32 prediction_count;
 
    v3f handl_target, handr_target,
        handl, handr;
@@ -147,16 +285,13 @@ VG_STATIC struct gplayer
                         *input_grab;
    
    /* Camera */
-   float air_blend;
    float air_time;
-   
    v3f camera_pos, smooth_localcam;
-   v2f angles;
 
    struct rewind_frame
    {
       v3f pos;
-      v2f ang;
+      v3f ang;
    }
    *rewind_buffer;
    u32 rewind_incrementer,
@@ -246,11 +381,17 @@ VG_STATIC struct gplayer
    }
    mdl;
 }
-player = 
+player__OLD
+
+#if 0
+= 
 {
    .collide_front = { .type = k_rb_shape_sphere, .inf.sphere.radius = 0.3f },
    .collide_back  = { .type = k_rb_shape_sphere, .inf.sphere.radius = 0.3f }
-};
+}
+#endif
+
+;
 
 /* 
  * API 
@@ -268,11 +409,20 @@ VG_STATIC void player_save_rewind_frame(void);
 VG_STATIC void player_mouseview(void);
 
 #include "player_physics.h"
+#include "player_physics_skate.h"
+#include "player_physics_walk.h"
 #include "player_ragdoll.h"
 #include "player_model.h"
 #include "player_animation.h"
 #include "player_audio.h"
 
+/*
+ * player_physics_<INTERFACE>_<SUB-INTERFACE>
+ *
+ *
+ *
+ */
+
 /* 
  * -----------------------------------------------------------------------------
  *                                    Events
@@ -284,101 +434,40 @@ VG_STATIC void reset_player_poll( int argc, char const *argv[] );
 
 VG_STATIC void player_init(void)                                         /* 1 */
 {
-   player.input_js1h = vg_create_named_input( "steer-h", k_input_type_axis );
-   player.input_js1v = vg_create_named_input( "steer-v", k_input_type_axis );
-   player.input_grab = vg_create_named_input( "grab", k_input_type_axis_norm );
-   player.input_js2h = vg_create_named_input( "grab-h", k_input_type_axis );
-   player.input_js2v = vg_create_named_input( "grab-v", k_input_type_axis );
-   player.input_jump = vg_create_named_input( "jump", k_input_type_button );
-   player.input_push = vg_create_named_input( "push", k_input_type_button );
-   player.input_walk = vg_create_named_input( "walk", k_input_type_button );
-
-   player.input_walkh = vg_create_named_input( "walk-h", 
-                                               k_input_type_axis );
-   player.input_walkv = vg_create_named_input( "walk-v", 
-                                               k_input_type_axis );
-
-
-   player.input_switch_mode = vg_create_named_input( "switch-mode",
-                                                     k_input_type_button );
-   player.input_reset = vg_create_named_input( "reset", k_input_type_button );
-
-   const char *default_cfg[] = 
-   {
-      "bind  steer-h gp-ls-h",
-      "bind -steer-h a",
-      "bind +steer-h d",
-
-      "bind  steer-v gp-ls-v",
-      "bind -steer-v w",
-      "bind +steer-v s",
-
-      "bind  grab gp-rt",
-      "bind +grab shift",
-      "bind  grab-h gp-rs-h",
-      "bind  grab-v gp-rs-v",
-
-      "bind jump space",
-      "bind jump gp-a",
-
-      "bind push gp-b",
-      "bind push w",
-
-      "bind walk shift",
-      "bind walk gp-ls",
-      
-      "bind  walk-h  gp-ls-h",
-      "bind  walk-v -gp-ls-v",
-      "bind +walk-h d",
-      "bind -walk-h a",
-      "bind +walk-v w",
-      "bind -walk-v s",
-
-      "bind reset gp-lb",
-      "bind reset r",
-
-      "bind switch-mode gp-y",
-      "bind switch-mode e",
-   };
-
-   for( int i=0; i<vg_list_size(default_cfg); i++ )
-      vg_execute_console_input(default_cfg[i]);
-
-   rb_init( &player.phys.rb );
-   rb_init( &player.collide_front );
-   rb_init( &player.collide_back  );
+   rb_init( &player.rb );
 
    VG_VAR_F32( k_walkspeed );
-   VG_VAR_F32( k_air_accelerate );
-   VG_VAR_F32( k_runspeed );
+   VG_VAR_F32( k_stopspeed );
+   VG_VAR_F32( k_airspeed );
+   VG_VAR_F32( k_walk_friction );
+   VG_VAR_F32( k_walk_air_accel );
    VG_VAR_F32( k_walk_accel );
 
    VG_VAR_I32( freecam );
    VG_VAR_I32( cl_thirdperson );
    VG_VAR_F32_PERSISTENT( fc_speed );
 
-   /* TODO: NOT PERSISTENT */
-   VG_VAR_F32_PERSISTENT( k_ragdoll_limit_scale );
-   VG_VAR_I32_PERSISTENT( k_ragdoll_div );
-   VG_VAR_I32_PERSISTENT( k_ragdoll_debug_collider );
-   VG_VAR_I32_PERSISTENT( k_ragdoll_debug_constraints );
+   VG_VAR_F32( k_ragdoll_limit_scale );
+   VG_VAR_I32( k_ragdoll_div );
+   VG_VAR_I32( k_ragdoll_debug_collider );
+   VG_VAR_I32( k_ragdoll_debug_constraints );
 
-   VG_VAR_F32_PERSISTENT( k_friction_lat );
+   VG_VAR_F32( k_friction_lat );
 
-   VG_VAR_F32_PERSISTENT( k_cog_spring );
-   VG_VAR_F32_PERSISTENT( k_cog_damp );
+   VG_VAR_F32( k_cog_spring );
+   VG_VAR_F32( k_cog_damp );
 
-   VG_VAR_F32_PERSISTENT( k_cog_mass_ratio );
-   VG_VAR_F32_PERSISTENT( k_downforce );
+   VG_VAR_F32( k_cog_mass_ratio );
+   VG_VAR_F32( k_downforce );
 
-   VG_VAR_F32_PERSISTENT( k_spring_force );
-   VG_VAR_F32_PERSISTENT( k_spring_dampener );
-   VG_VAR_F32_PERSISTENT( k_spring_angular );
+   VG_VAR_F32( k_spring_force );
+   VG_VAR_F32( k_spring_dampener );
+   VG_VAR_F32( k_spring_angular );
 
-   VG_VAR_F32_PERSISTENT( k_mmthrow_scale );
-   VG_VAR_F32_PERSISTENT( k_mmcollect_lat );
-   VG_VAR_F32_PERSISTENT( k_mmcollect_vert );
-   VG_VAR_F32_PERSISTENT( k_mmdecay );
+   VG_VAR_F32( k_mmthrow_scale );
+   VG_VAR_F32( k_mmcollect_lat );
+   VG_VAR_F32( k_mmcollect_vert );
+   VG_VAR_F32( k_mmdecay );
 
        vg_function_push( (struct vg_cmd){
                .name = "reset",
@@ -400,9 +489,6 @@ VG_STATIC void player_init(void)                                         /* 1 */
                        sizeof(struct rewind_frame) * PLAYER_REWIND_FRAMES );
 
    player_model_init();
-
-   /* controls */
-   
 }
 
 VG_STATIC void player_save_rewind_frame(void)
@@ -431,6 +517,7 @@ VG_STATIC void player_save_rewind_frame(void)
 VG_STATIC int         menu_enabled(void);
 #include "menu.h"
 
+VG_STATIC void player_do_motion(void);
 /*
  * Free camera movement
  */
@@ -477,8 +564,6 @@ VG_STATIC void player_mouseview(void)
 /* Deal with input etc */
 VG_STATIC void player_update_pre(void)
 {
-   struct player_phys *phys = &player.phys;
-
 
    {
       v3f ra, rb, rx;
@@ -500,6 +585,7 @@ VG_STATIC void player_update_pre(void)
       }
    }
 
+#if 0
 
    vg_line_pt3( phys->cog, 0.10f, 0xffffffff );
    vg_line_pt3( phys->cog, 0.09f, 0xffffffff );
@@ -515,6 +601,7 @@ VG_STATIC void player_update_pre(void)
    vg_line( spring_end, throw_end, VG__RED );
    vg_line( spring_end, p0, VG__GREEN );
    vg_line( spring_end, p1, VG__BLUE );
+#endif
 
    if( player.rewinding )
       return;
@@ -550,10 +637,10 @@ VG_STATIC void player_update_pre(void)
          player.death_tick_allowance = 30;
          player_restore_frame();
 
-         if( !phys->on_board )
+         if( player.controller == k_player_controller_walk )
          {
-            player.angles[0] = atan2f( -phys->rb.forward[2], 
-                                       -phys->rb.forward[0] );
+            player.angles[0] = atan2f( -player.rb.forward[2], 
+                                       -player.rb.forward[0] );
          }
 
          player.mdl.shoes[0] = 1;
@@ -582,23 +669,28 @@ VG_STATIC void player_update_pre(void)
 
    if( vg_input_button_down( player.input_switch_mode ) && !menu_enabled() )
    {
-      phys->on_board ^= 0x1;
-
       audio_lock();
-      if( phys->on_board )
+
+#if 0
+      if( phys->controller == k_player_controller_walk )
       {
+         phys->controller = k_player_controller_skate;
+
          v3_muladds( phys->rb.v, phys->rb.forward, 0.2f, phys->rb.v );
          audio_play_oneshot( &audio_lands[6], 1.0f );
       }
-      else
+      else if( phys->controller == k_player_controller_skate )
       {
+         phys->controller = k_player_controller_walk;
+
          audio_play_oneshot( &audio_lands[5], 1.0f );
       }
+#endif
 
       audio_unlock();
    }
 
-   if( !phys->on_board )
+   if( player.controller == k_player_controller_walk )
       player_mouseview();
 }
 
@@ -610,8 +702,6 @@ VG_STATIC void player_update_fixed(void)                                 /* 2 */
    if( player.death_tick_allowance )
       player.death_tick_allowance --;
 
-   struct player_phys *phys = &player.phys;
-
    if( player.is_dead )
    {
       player_ragdoll_iter();
@@ -631,6 +721,7 @@ VG_STATIC void player_update_fixed(void)                                 /* 2 */
 
 VG_STATIC void player_update_post(void)
 {
+#if 0
    for( int i=0; i<player.prediction_count; i++ )
    {
       struct land_prediction *p = &player.predictions[i];
@@ -644,7 +735,9 @@ VG_STATIC void player_update_post(void)
       v3_add( p->log[p->log_length-1], p->n, p1 );
       vg_line( p->log[p->log_length-1], p1, 0xffffffff );
    }
+#endif
 
+#if 0
    if( player.is_dead )
    {
       player_debug_ragdoll();
@@ -666,12 +759,14 @@ VG_STATIC void player_update_post(void)
    }
 
    if( freecam )
+#endif
       player_freecam();
 
    /* CAMERA POSITIONING: LAYER 0 */
    v2_copy( player.angles, main_camera.angles );
    v3_copy( player.camera_pos, main_camera.pos );
 
+#if 0
    if( player.rewinding )
    {
       if( player.rewind_time <= 0.0f )
@@ -786,6 +881,7 @@ VG_STATIC void player_update_post(void)
          v3_lerp( override_pos, player.camera_pos, c, main_camera.pos );
       }
    }
+#endif
 
    camera_update_transform( &main_camera );
    player_audio();
@@ -811,6 +907,123 @@ VG_STATIC void draw_player( camera *cam )
    mesh_draw( &player.mdl.player_meshes[cl_playermdl_id] );
 }
 
+VG_STATIC void player_do_motion(void)
+{
+   if( world.water.enabled )
+   {
+      if( (player.rb.co[1] < 0.0f) && !player.is_dead )
+      {
+         audio_lock();
+         audio_player_set_flags( &audio_player_extra, AUDIO_FLAG_SPACIAL_3D );
+         audio_player_set_position( &audio_player_extra, player.rb.co );
+         audio_player_set_vol( &audio_player_extra, 20.0f );
+         audio_player_playclip( &audio_player_extra, &audio_splash );
+         audio_unlock();
+
+         player_kill();
+      }
+   }
+
+   v3f prevco;
+   v3_copy( player.rb.co, prevco );
+
+   if( player.controller == k_player_controller_skate )
+   {
+#if 0
+      player_skate_update();
+#endif
+   }
+   else
+      player_walk_physics( &player_walky );
+   
+   
+   /* Real angular velocity integration */
+#if 0
+   v3_lerp( phys->rb.w, (v3f){0.0f,0.0f,0.0f}, 0.125f*0.5f, phys->rb.w );
+   if( v3_length2( phys->rb.w ) > 0.0f )
+   {
+      v4f rotation;
+      v3f axis;
+      v3_copy( phys->rb.w, axis );
+      
+      float mag = v3_length( axis );
+      v3_divs( axis, mag, axis );
+      q_axis_angle( rotation, axis, mag*k_rb_delta );
+      q_mul( rotation, phys->rb.q, phys->rb.q );
+   }
+
+   /* Faux angular velocity */
+   v4f rotate; 
+
+   float lerpq = (player_skate.activity == k_skate_activity_air)? 0.04f: 0.3f;
+   phys->siY = vg_lerpf( phys->siY, phys->iY, lerpq );
+
+   q_axis_angle( rotate, phys->rb.up, phys->siY );
+   q_mul( rotate, phys->rb.q, phys->rb.q );
+   phys->iY = 0.0f;
+#endif
+
+   /* 
+    * Gate intersection, by tracing a line over the gate planes 
+    */
+#if 0
+   for( int i=0; i<world.gate_count; i++ )
+   {
+      struct route_gate *rg = &world.gates[i];
+      teleport_gate *gate = &rg->gate;
+
+      if( gate_intersect( gate, phys->rb.co, prevco ) )
+      {
+         m4x3_mulv( gate->transport, phys->rb.co, phys->rb.co );
+         m4x3_mulv( gate->transport, phys->cog, phys->cog );
+         m3x3_mulv( gate->transport, phys->cog_v, phys->cog_v );
+         m3x3_mulv( gate->transport, phys->rb.v, phys->rb.v );
+         m3x3_mulv( gate->transport, phys->vl, phys->vl );
+         m3x3_mulv( gate->transport, phys->v_last, phys->v_last );
+         m3x3_mulv( gate->transport, phys->m, phys->m );
+         m3x3_mulv( gate->transport, phys->bob, phys->bob );
+
+         /* Pre-emptively edit the camera matrices so that the motion vectors 
+          * are correct */
+         m4x3f transport_i;
+         m4x4f transport_4;
+         m4x3_invert_affine( gate->transport, transport_i );
+         m4x3_expand( transport_i, transport_4 );
+         m4x4_mul( main_camera.mtx.pv, transport_4, main_camera.mtx.pv );
+         m4x4_mul( main_camera.mtx.v, transport_4, main_camera.mtx.v );
+
+         v4f transport_rotation;
+         m3x3_q( gate->transport, transport_rotation );
+         q_mul( transport_rotation, phys->rb.q, phys->rb.q );
+         
+         world_routes_activate_gate( i );
+
+         if( phys->controller == k_player_controller_walk )
+         {
+            v3f fwd_dir = {cosf(player.angles[0]),
+                           0.0f,
+                           sinf(player.angles[0])};
+            m3x3_mulv( gate->transport, fwd_dir, fwd_dir );
+
+            player.angles[0] = atan2f( fwd_dir[2], fwd_dir[0] );
+         }
+         
+         player.rewind_length = 0;
+         player.rewind_total_length = 0.0f;
+         player.rewind_incrementer = 10000;
+         player_save_frame();
+
+         audio_lock();
+         audio_play_oneshot( &audio_gate_pass, 1.0f );
+         audio_unlock();
+         break;
+      }
+   }
+#endif
+   
+   rb_update_transform( &player.rb );
+}
+
 /* 
  * -----------------------------------------------------------------------------
  *                              API implementation
@@ -819,7 +1032,7 @@ VG_STATIC void draw_player( camera *cam )
 
 VG_STATIC float *player_get_pos(void)
 {
-   return player.phys.rb.co;
+   return player.rb.co;
 }
 
 VG_STATIC void player_kill(void)
@@ -827,7 +1040,7 @@ VG_STATIC void player_kill(void)
    if( player.death_tick_allowance == 0 )
    {
       player.is_dead = 1;
-      player_ragdoll_copy_model( player.phys.rb.v );
+      player_ragdoll_copy_model( player.rb.v );
    }
 }
 
@@ -837,4 +1050,19 @@ VG_STATIC float *player_cam_pos(void)
 }
 
 
+VG_STATIC void player_save_frame(void)
+{
+   player.controller_frame = player.controller;
+   
+   /* TODO         <interface>->save() */
+}
+
+VG_STATIC void player_restore_frame(void)
+{
+   player.controller = player.controller_frame;
+
+   /* TODO         <interface>->load() */
+}
+
 #endif /* PLAYER_H */
+#endif