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_foot_anchor,
  17           drop_in_start,
  18           drop_in_normal;
  19
  20       float drop_in_start_angle,
  21             drop_in_angle;
  22
  23       enum walk_activity{
  24          k_walk_activity_air,
  25          k_walk_activity_ground,
  26          k_walk_activity_sleep,
  27          k_walk_activity_lockedmove,
  28          k_walk_activity_sit,
  29          k_walk_activity_sit_up
  30       }
  31       activity;
  32
  33       enum walk_outro{
  34          k_walk_outro_none,
  35          k_walk_outro_jump_to_air,
  36          k_walk_outro_drop_in,
  37          k_walk_outro_regular
  38       }
  39       outro_type;
  40       double outro_start_time;
  41
  42       int jump_queued;
  43       f64 jump_input_time;
  44
  45       f32 walk_timer;
  46       f32 sit_t;
  47       int step_phase;
  48    }
  49    state;
  50
  51    f32 move_speed;
  52
  53    enum mdl_surface_prop surface;
  54    struct skeleton_anim *anim_walk, *anim_run, *anim_idle, *anim_jump,
  55                         *anim_jump_to_air, *anim_drop_in, *anim_intro,
  56                         *anim_sit;
  57
  58    struct player_walk_animator {
  59       v3f root_co;
  60       v4f root_q;
  61       f32 fly,
  62           run,
  63           walk;
  64
  65       f32 walk_timer, yaw, pitch;
  66
  67       v3f foot_anchor;
  68       enum walk_outro outro_type;
  69       f32 outro_t,
  70           commit_t,
  71           sit_t;
  72    }
  73    animator;
  74 }
  75 static player_walk;
  76
  77 static f32
  78    k_walkspeed             = 10.0f,
  79    k_airspeed              = 1.2f,
  80    k_stopspeed             = 4.0f,
  81    k_walk_accel            = 10.0f,
  82    k_walk_air_accel        = 7.0f,
  83    k_walk_friction         = 10.0f,
  84    k_walk_step_height      = 0.2f,
  85
  86    k_sit_yaw_limit         = VG_PIf/1.7f,
  87    k_sit_pitch_limit       = VG_PIf/4.0f;
  88
  89 static void player__walk_register(void){
  90    VG_VAR_F32( k_walkspeed,      flags=VG_VAR_CHEAT );
  91    VG_VAR_F32( k_stopspeed,      flags=VG_VAR_CHEAT );
  92    VG_VAR_F32( k_airspeed,       flags=VG_VAR_CHEAT );
  93    VG_VAR_F32( k_walk_friction,  flags=VG_VAR_CHEAT );
  94    VG_VAR_F32( k_walk_air_accel, flags=VG_VAR_CHEAT );
  95    VG_VAR_F32( k_walk_accel,     flags=VG_VAR_CHEAT );
  96 }
  97
  98 static void player__walk_pre_update  (void);
  99 static void player__walk_update      (void);
 100 static void player__walk_post_update (void);
 101 static void player__walk_animate     (void);
 102 static void player__walk_pose        (void *animator, player_pose *pose);
 103 static void player__walk_post_animate(void);
 104 static void player__walk_im_gui      (void);
 105 static void player__walk_bind        (void);
 106 static void player__walk_transition  (void);
 107 static void player__walk_reset       (ent_spawn *rp );
 108 static void player__walk_restore     (void);
 109 static void player__walk_animator_exchange( bitpack_ctx *ctx, void *data );
 110
 111 struct player_subsystem_interface static player_subsystem_walk = {
 112    .system_register = player__walk_register,
 113    .bind = player__walk_bind,
 114    .reset = player__walk_reset,
 115    .pre_update = player__walk_pre_update,
 116    .update = player__walk_update,
 117    .post_update = player__walk_post_update,
 118    .im_gui = player__walk_im_gui,
 119    .animate = player__walk_animate,
 120    .post_animate = player__walk_post_animate,
 121    .pose = player__walk_pose,
 122    .network_animator_exchange = player__walk_animator_exchange,
 123
 124    .animator_data = &player_walk.animator,
 125    .animator_size = sizeof(player_walk.animator),
 126    .name = "Walk"
 127 };
 128
 129 #endif /* PLAYER_WALK_H */