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 struct player_skate
   9 {
  10    struct
  11    {
  12       enum skate_activity
  13       {
  14          k_skate_activity_air,
  15          k_skate_activity_ground,
  16          k_skate_activity_undefined,
  17          k_skate_activity_grind_any,
  18          k_skate_activity_grind_boardslide,
  19          k_skate_activity_grind_noseslide,
  20          k_skate_activity_grind_tailslide,
  21          k_skate_activity_grind_back50,
  22          k_skate_activity_grind_front50,
  23          k_skate_activity_grind_5050
  24       }
  25       activity,
  26       activity_prev;
  27
  28       float /* steery,
  29             steerx,
  30             steery_s,
  31             steerx_s, */
  32             reverse,
  33             slip;
  34
  35       int manual_direction;
  36
  37       /* tricks */
  38       v3f   flip_axis;
  39       float flip_time,
  40             flip_rate;
  41
  42       v3f   trick_vel,     /* measured in units of TAU/s */
  43             trick_euler;   /* measured in units of TAU */
  44       float trick_time;
  45
  46
  47       float gravity_bias;
  48 #if 0
  49       m3x3f velocity_bias,
  50             velocity_bias_pstep;
  51       v3f apex;
  52 #endif
  53
  54       v3f up_dir;
  55       v3f head_position;
  56
  57       int lift_frames;
  58
  59       v3f throw_v;
  60       v3f cog_v, cog;
  61
  62       float grabbing;
  63       v2f grab_mouse_delta;
  64
  65       int charging_jump, jump_dir;
  66       float jump_charge;
  67
  68       double jump_time;
  69       double start_push,
  70              cur_push;
  71
  72       v3f prev_pos;
  73
  74       /* initial launch conditions */
  75       double air_start;
  76       v3f    air_init_v,
  77              air_init_co;
  78    }
  79    state,
  80    state_gate_storage;
  81
  82
  83    /* animation */
  84    struct skeleton_anim *anim_stand, *anim_highg, *anim_slide,
  85                         *anim_air,
  86                         *anim_push,  *anim_push_reverse,
  87                         *anim_ollie, *anim_ollie_reverse,
  88                         *anim_grabs, *anim_stop;
  89    v3f
  90        board_trick_residualv,
  91        board_trick_residuald;
  92
  93    float blend_slide,
  94          blend_z,
  95          blend_x,
  96          blend_fly,
  97          blend_stand,
  98          blend_push,
  99          blend_jump,
 100          blend_airdir,
 101          blend_weight;
 102
 103    /* vectors representing the direction of the axels in localspace */
 104    v3f truckv0[2];
 105    v2f wobble;
 106
 107    audio_channel *aud_main, *aud_slide, *aud_air;
 108    enum mdl_surface_prop surface, audio_surface;
 109
 110    /*
 111     * Physics
 112     * ----------------------------------------------------
 113     */
 114
 115    float substep,
 116          substep_delta;
 117
 118    struct land_prediction
 119    {
 120       v3f   log[50];
 121       v3f   n;
 122       v3f   apex;
 123       v3f   v;
 124
 125       float gravity;
 126
 127       int   log_length;
 128       float score,
 129             land_dist;
 130
 131       enum prediction_type
 132       {
 133          k_prediction_none,
 134          k_prediction_land,
 135          k_prediction_grind
 136       }
 137       type;
 138
 139       u32   colour;
 140    }
 141    predictions[32];
 142    u32 prediction_count;
 143    float land_dist;
 144    v3f land_normal;
 145
 146    v3f surface_picture,
 147        weight_distribution,
 148        grind_vec,
 149        grind_dir;
 150
 151    u32 frames_since_activity_change;
 152
 153    float grind_strength;
 154
 155    struct grind_limit
 156    {
 157       v3f ra, n;
 158       float p;
 159    }
 160    limits[3];
 161    u32 limit_count;
 162 };
 163
 164 VG_STATIC void player__skate_bind         ( player_instance *player );
 165 VG_STATIC void player__skate_pre_update   ( player_instance *player );
 166 VG_STATIC void player__skate_update       ( player_instance *player );
 167 VG_STATIC void player__skate_post_update  ( player_instance *player );
 168 VG_STATIC void player__skate_im_gui       ( player_instance *player );
 169 VG_STATIC void player__skate_animate      ( player_instance *player,
 170                                             player_animation *anim );
 171 VG_STATIC void player__skate_post_animate ( player_instance *player );
 172 VG_STATIC void player__skate_reset        ( player_instance *player,
 173                                             ent_spawn *rp );
 174
 175 VG_STATIC void player__skate_clear_mechanics( player_instance *player );
 176 VG_STATIC void player__skate_reset_animator( player_instance *player );
 177 VG_STATIC void player__approximate_best_trajectory( player_instance *player );
 178 #endif /* PLAYER_SKATE_H */