player_walk.h

   1 #ifndef PLAYER_WALK_H
   2 #define PLAYER_WALK_H
   3
   4 #include "player.h"
   5 #include "player_api.h"
   6 #include "rigidbody.h"
   7
   8 #define PLAYER_JUMP_EPSILON 0.1     /* 100ms jump allowance */
   9
  10 struct player_walk{
  11    rb_capsule collider;
  12
  13    struct player_walk_state{
  14       v3f prev_pos;
  15       v3f drop_in_target,
  16           drop_in_start,
  17           drop_in_normal;
  18
  19       float drop_in_start_angle,
  20             drop_in_angle;
  21
  22       enum walk_activity{
  23          k_walk_activity_air,
  24          k_walk_activity_ground,
  25          k_walk_activity_sit,
  26          k_walk_activity_sit_up,
  27
  28          /* transitions */
  29          k_walk_activity_inone,
  30          k_walk_activity_ipopoff,
  31          k_walk_activity_oair,
  32          k_walk_activity_odrop_in,
  33          k_walk_activity_oregular,
  34
  35          k_walk_activity_max,
  36       }
  37       activity;
  38
  39       f32 transition_t;
  40
  41       int jump_queued;
  42       f64 jump_input_time;
  43
  44       f32 walk_timer;
  45       int step_phase;
  46       v3f steer;
  47    }
  48    state;
  49
  50    f32 move_speed;
  51
  52    enum mdl_surface_prop surface;
  53    struct skeleton_anim *anim_walk, *anim_run, *anim_idle, *anim_jump,
  54                         *anim_jump_to_air, *anim_drop_in, *anim_intro,
  55                         *anim_sit, *anim_popoff;
  56
  57    struct player_walk_animator {
  58       v3f root_co;
  59       v4f root_q;
  60       f32 fly,
  61           run,
  62           walk;
  63
  64       f32 walk_timer, yaw, pitch, board_yaw;
  65
  66       enum walk_activity activity;
  67       f32 transition_t;
  68    }
  69    animator;
  70 }
  71 static player_walk;
  72
  73 enum player_walk_soundeffect {
  74    k_player_walk_soundeffect_splash
  75 };
  76
  77 static f32
  78    k_walkspeed             = 4.4f,
  79    k_runspeed              = 10.0f,
  80    k_airspeed              = 1.2f,
  81    k_stopspeed             = 4.0f,
  82    k_walk_accel            = 10.0f,
  83    k_walk_air_accel        = 7.0f,
  84    k_walk_friction         = 6.0f,
  85    k_walk_step_height      = 0.2f,
  86
  87    k_sit_yaw_limit         = VG_PIf/1.7f,
  88    k_sit_pitch_limit       = VG_PIf/4.0f;
  89
  90 static void player__walk_register(void){
  91    VG_VAR_F32( k_walkspeed,      flags=VG_VAR_CHEAT );
  92    VG_VAR_F32( k_runspeed,       flags=VG_VAR_CHEAT );
  93    VG_VAR_F32( k_stopspeed,      flags=VG_VAR_CHEAT );
  94    VG_VAR_F32( k_airspeed,       flags=VG_VAR_CHEAT );
  95    VG_VAR_F32( k_walk_friction,  flags=VG_VAR_CHEAT );
  96    VG_VAR_F32( k_walk_air_accel, flags=VG_VAR_CHEAT );
  97    VG_VAR_F32( k_walk_accel,     flags=VG_VAR_CHEAT );
  98 }
  99
 100 static void player__walk_pre_update  (void);
 101 static void player__walk_update      (void);
 102 static void player__walk_post_update (void);
 103 static void player__walk_animate     (void);
 104 static void player__walk_pose        (void *animator, player_pose *pose);
 105 static void player__walk_post_animate(void);
 106 static void player__walk_im_gui      (void);
 107 static void player__walk_bind        (void);
 108 static void player__walk_reset       (void);
 109 static void player__walk_restore     (void);
 110 static void player__walk_animator_exchange( bitpack_ctx *ctx, void *data );
 111 static void player__walk_transition( bool grounded, f32 board_yaw );
 112
 113 struct player_subsystem_interface static player_subsystem_walk = {
 114    .system_register = player__walk_register,
 115    .bind = player__walk_bind,
 116    .pre_update = player__walk_pre_update,
 117    .update = player__walk_update,
 118    .post_update = player__walk_post_update,
 119    .im_gui = player__walk_im_gui,
 120    .animate = player__walk_animate,
 121    .post_animate = player__walk_post_animate,
 122    .pose = player__walk_pose,
 123    .network_animator_exchange = player__walk_animator_exchange,
 124
 125    .animator_data = &player_walk.animator,
 126    .animator_size = sizeof(player_walk.animator),
 127    .name = "Walk"
 128 };
 129
 130 #endif /* PLAYER_WALK_H */