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