player_skate.h

   1 #ifndef PLAYER_SKATE_H
   2 #define PLAYER_SKATE_H
   3
   4 #include "player_api.h"
   5
   6 #define SKATE_CCD
   7
   8 typedef struct jump_info jump_info;
   9
  10 struct player_skate
  11 {
  12    struct
  13    {
  14       enum skate_activity
  15       {
  16          k_skate_activity_air,
  17          k_skate_activity_air_to_grind,
  18          k_skate_activity_ground,
  19          k_skate_activity_undefined,
  20          k_skate_activity_grind_any,
  21          k_skate_activity_grind_boardslide,
  22          k_skate_activity_grind_metallic,
  23          k_skate_activity_grind_back50,
  24          k_skate_activity_grind_front50,
  25          k_skate_activity_grind_5050
  26       }
  27       activity,
  28       activity_prev;
  29
  30       float reverse,
  31             slip;
  32
  33       int manual_direction;
  34
  35       /* tricks */
  36       v3f   flip_axis;
  37       float flip_time,
  38             flip_rate;
  39
  40       v3f   trick_vel,     /* measured in units of TAU/s */
  41             trick_euler;   /* measured in units of TAU */
  42       float trick_time;
  43       float gravity_bias;
  44
  45       v3f up_dir;
  46       v3f head_position;
  47
  48       v3f throw_v;
  49       v3f cog_v, cog;
  50
  51       float grabbing;
  52       v2f grab_mouse_delta;
  53
  54       int charging_jump, jump_dir;
  55       float jump_charge,
  56             slap;
  57
  58       double jump_time;
  59       double start_push,
  60              cur_push;
  61
  62       v3f prev_pos;
  63
  64       /* initial launch conditions */
  65       double air_start;
  66       v3f    air_init_v,
  67              air_init_co;
  68
  69       v4f smoothed_rotation;
  70    }
  71    state,
  72    state_gate_storage;
  73
  74    /* animation /audio */
  75    struct skeleton_anim *anim_stand, *anim_highg, *anim_slide,
  76                         *anim_air, *anim_grind, *anim_grind_jump,
  77                         *anim_push,  *anim_push_reverse,
  78                         *anim_ollie, *anim_ollie_reverse,
  79                         *anim_grabs, *anim_stop;
  80    v3f
  81        board_trick_residualv,
  82        board_trick_residuald;
  83
  84    float blend_slide,
  85          blend_z,
  86          blend_x,
  87          blend_fly,
  88          blend_grind,
  89          blend_grind_balance,
  90          blend_stand,
  91          blend_push,
  92          blend_jump,
  93          blend_airdir,
  94          blend_weight,
  95          subslap;
  96
  97    /* vectors representing the direction of the axels in localspace */
  98    v3f truckv0[2];
  99    v2f wobble;
 100
 101    audio_channel *aud_main, *aud_slide, *aud_air;
 102    enum mdl_surface_prop surface, audio_surface;
 103
 104    int wheel_contacts[2];
 105    float sample_change_cooldown;
 106
 107    enum {
 108       k_skate_sample_concrete,
 109       k_skate_sample_wood,
 110       k_skate_sample_concrete_scrape_metal,
 111       k_skate_sample_concrete_scrape_wood,
 112       k_skate_sample_metal_scrape_generic
 113    }
 114    main_sample_type;
 115
 116    player_pose holdout;
 117
 118    /*
 119     * Physics
 120     * ----------------------------------------------------
 121     */
 122
 123    float substep,
 124          substep_delta;
 125
 126    struct jump_info
 127    {
 128       v3f   log[50];
 129       v3f   n;
 130       v3f   apex;
 131       v3f   v;
 132
 133       float gravity;
 134
 135       int   log_length;
 136       float score,
 137             land_dist;
 138
 139       enum prediction_type
 140       {
 141          k_prediction_none,
 142          k_prediction_unset,
 143          k_prediction_land,
 144          k_prediction_grind
 145       }
 146       type;
 147
 148       u32   colour;
 149    }
 150    possible_jumps[36];
 151    u32 possible_jump_count;
 152
 153    float land_dist;
 154    v3f land_normal;
 155
 156    v3f surface_picture,
 157        weight_distribution,
 158        grind_vec,
 159        grind_dir;
 160
 161    u32 grind_cooldown,
 162        surface_cooldown;
 163
 164    float grind_strength;
 165
 166    struct grind_limit
 167    {
 168       v3f ra, n;
 169       float p;
 170    }
 171    limits[3];
 172    u32 limit_count;
 173 };
 174
 175 VG_STATIC void player__skate_bind         ( player_instance *player );
 176 VG_STATIC void player__skate_pre_update   ( player_instance *player );
 177 VG_STATIC void player__skate_update       ( player_instance *player );
 178 VG_STATIC void player__skate_post_update  ( player_instance *player );
 179 VG_STATIC void player__skate_im_gui       ( player_instance *player );
 180 VG_STATIC void player__skate_animate      ( player_instance *player,
 181                                             player_animation *anim );
 182 VG_STATIC void player__skate_post_animate ( player_instance *player );
 183 VG_STATIC void player__skate_reset        ( player_instance *player,
 184                                             ent_spawn *rp );
 185
 186 VG_STATIC void player__skate_clear_mechanics( player_instance *player );
 187 VG_STATIC void player__skate_reset_animator( player_instance *player );
 188 VG_STATIC void player__approximate_best_trajectory( player_instance *player );
 189 #endif /* PLAYER_SKATE_H */