freecam.c

   1 #include "skaterift.h"
   2 #include "player_replay.h"
   3 #include "input.h"
   4
   5 void freecam_preupdate(void)
   6 {
   7    vg_camera *cam = &player_replay.replay_freecam;
   8    v3f angles;
   9    v3_copy( cam->angles, angles );
  10    player_look( angles, 1.0f );
  11
  12    f32 decay = vg_maxf(0.0f,1.0f-vg.time_frame_delta*10.0f);
  13
  14    v3f d;
  15    v3_sub( angles, cam->angles, d );
  16    v3_muladds( player_replay.freecam_w, d, 20.0f, player_replay.freecam_w );
  17    v3_muls( player_replay.freecam_w, decay, player_replay.freecam_w );
  18    v3_muladds( cam->angles, player_replay.freecam_w, vg.time_frame_delta,
  19                cam->angles );
  20    cam->angles[1] = vg_clampf( cam->angles[1], -VG_PIf*0.5f,VG_PIf*0.5f);
  21
  22    vg_camera_update_transform( cam );
  23
  24    v3f lookdir = { 0.0f, 0.0f, -1.0f },
  25        sidedir = { 1.0f, 0.0f,  0.0f };
  26
  27    m3x3_mulv( cam->transform, lookdir, lookdir );
  28    m3x3_mulv( cam->transform, sidedir, sidedir );
  29
  30    v2f input;
  31    joystick_state( k_srjoystick_steer, input );
  32    v2_muls( input, vg.time_frame_delta*6.0f*20.0f, input );
  33
  34    v3_muladds( player_replay.freecam_v, lookdir, -input[1],
  35                player_replay.freecam_v );
  36    v3_muladds( player_replay.freecam_v, sidedir, input[0],
  37                player_replay.freecam_v );
  38
  39    v3_muls( player_replay.freecam_v, decay, player_replay.freecam_v );
  40    v3_muladds( cam->pos,
  41                player_replay.freecam_v, vg.time_frame_delta, cam->pos );
  42 }
  43
  44 int freecam_cmd( int argc, const char *argv[] )
  45 {
  46    if( argc ){
  47       player_replay.freecam = atoi(argv[0]);
  48
  49       if( player_replay.freecam ){
  50          vg_camera_copy( &skaterift.cam, &player_replay.replay_freecam );
  51       }
  52    }
  53    return 0;
  54 }