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    struct player_skate_state{
  12       enum skate_activity{
  13          k_skate_activity_air,
  14          k_skate_activity_air_to_grind,
  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_metallic,
  20          k_skate_activity_grind_back50,
  21          k_skate_activity_grind_front50,
  22          k_skate_activity_grind_5050
  23       }
  24       activity,
  25       activity_prev;
  26
  27       float reverse,
  28             slip;
  29
  30       int manual_direction;
  31
  32       /* tricks */
  33       v3f   flip_axis;
  34       float flip_time,
  35             flip_rate;
  36
  37       v3f   trick_vel,     /* measured in units of TAU/s */
  38             trick_euler;   /* measured in units of TAU */
  39       float trick_time;
  40       enum  trick_type{
  41          k_trick_type_none,
  42          k_trick_type_kickflip,
  43          k_trick_type_shuvit,
  44          k_trick_type_treflip
  45       }
  46       trick_type;
  47       float gravity_bias;
  48
  49       v3f up_dir;
  50       v3f head_position;
  51
  52       v3f throw_v;
  53       v3f cog_v, cog;
  54
  55       float grabbing;
  56       v2f grab_mouse_delta;
  57
  58       int charging_jump, jump_dir;
  59       float jump_charge,
  60             slap;
  61
  62       double jump_time;
  63       double start_push,
  64              cur_push;
  65
  66       v3f prev_pos;
  67
  68       /* initial launch conditions */
  69       double air_start;
  70       v3f    air_init_v,
  71              air_init_co;
  72
  73       v4f smoothed_rotation;
  74    }
  75    state,
  76    state_gate_storage;
  77
  78    /* animation /audio */
  79    struct skeleton_anim *anim_stand, *anim_highg, *anim_slide,
  80                         *anim_air, *anim_grind, *anim_grind_jump,
  81                         *anim_push,  *anim_push_reverse,
  82                         *anim_ollie, *anim_ollie_reverse,
  83                         *anim_grabs, *anim_stop;
  84    v3f
  85        board_trick_residualv,
  86        board_trick_residuald;
  87
  88    float blend_slide,
  89          blend_z,
  90          blend_x,
  91          blend_fly,
  92          blend_grind,
  93          blend_grind_balance,
  94          blend_stand,
  95          blend_push,
  96          blend_jump,
  97          blend_airdir,
  98          blend_weight,
  99          blend_trick_foot,
 100          subslap;
 101
 102    /* vectors representing the direction of the axels in localspace */
 103    v3f truckv0[2];
 104    v2f wobble;
 105
 106    audio_channel *aud_main, *aud_slide, *aud_air;
 107    enum mdl_surface_prop surface, audio_surface;
 108
 109    int wheel_contacts[2];
 110    float sample_change_cooldown;
 111
 112    enum {
 113       k_skate_sample_concrete,
 114       k_skate_sample_wood,
 115       k_skate_sample_concrete_scrape_metal,
 116       k_skate_sample_concrete_scrape_wood,
 117       k_skate_sample_metal_scrape_generic
 118    }
 119    main_sample_type;
 120
 121    player_pose holdout;
 122
 123    /*
 124     * Physics
 125     * ----------------------------------------------------
 126     */
 127
 128    float substep,
 129          substep_delta;
 130
 131    struct jump_info{
 132       v3f   log[50];
 133       v3f   n;
 134       v3f   apex;
 135       v3f   v;
 136
 137       float gravity;
 138
 139       int   log_length;
 140       float score,
 141             land_dist;
 142
 143       enum prediction_type{
 144          k_prediction_none,
 145          k_prediction_unset,
 146          k_prediction_land,
 147          k_prediction_grind
 148       }
 149       type;
 150
 151       u32   colour;
 152    }
 153    possible_jumps[36];
 154    u32 possible_jump_count;
 155
 156    float land_dist;
 157    v3f land_normal;
 158
 159    v3f surface_picture,
 160        weight_distribution,
 161        grind_vec,
 162        grind_dir;
 163
 164    u32 grind_cooldown,
 165        surface_cooldown;
 166
 167    float grind_strength;
 168
 169    struct grind_limit{
 170       v3f ra, n;
 171       float p;
 172    }
 173    limits[3];
 174    u32 limit_count;
 175 };
 176
 177 VG_STATIC float
 178    k_friction_lat          = 12.0f,
 179    k_friction_resistance   = 0.01f,
 180
 181    k_max_push_speed        = 16.0f,
 182    k_push_accel            = 10.0f,
 183    k_push_cycle_rate       = 8.0f,
 184
 185    k_steer_ground          = 2.5f,
 186    k_steer_air             = 3.6f,
 187
 188    k_jump_charge_speed     = (1.0f/0.4f),
 189    k_jump_force            = 5.0f,
 190
 191    k_cog_spring            = 0.2f,
 192    k_cog_damp              = 0.02f,
 193    k_cog_mass_ratio        = 0.9f,
 194
 195    k_mmthrow_steer         = 1.0f,
 196    k_mmthrow_scale         = 6.0f,
 197    k_mmcollect_lat         = 2.0f,
 198    k_mmcollect_vert        = 0.0f,
 199    k_mmdecay               = 12.0f,
 200    k_spring_angular        = 1.0f,
 201
 202    k_spring_force          = 300.0f,
 203    k_spring_dampener       = 5.0f,
 204
 205    k_grind_spring          = 50.0f,
 206    k_grind_aligment        = 10.0f,
 207    k_grind_dampener        = 5.0f,
 208
 209    k_surface_spring        = 100.0f,
 210    k_surface_dampener      = 40.0f,
 211    k_manul_spring          = 200.0f,
 212    k_manul_dampener        = 30.0f,
 213    k_board_interia         = 8.0f,
 214
 215    k_grind_decayxy         = 30.0f,
 216    k_grind_axel_min_vel    = 1.0f,
 217    k_grind_axel_max_angle  = 0.95f, /* cosine(|a|) */
 218    k_grind_axel_max_vangle = 0.4f,
 219    k_grind_max_friction    = 3.0f,
 220    k_grind_max_edge_angle  = 0.97f,
 221
 222    k_board_length          = 0.45f,
 223    k_board_width           = 0.13f,
 224    k_board_end_radius      = 0.1f,
 225    k_board_radius          = 0.14f,    /* 0.07 */
 226
 227    k_grind_balance         = -40.0f;
 228
 229 VG_STATIC void player__skate_register(void)
 230 {
 231    VG_VAR_F32( k_grind_dampener,       flags=VG_VAR_CHEAT );
 232    VG_VAR_F32( k_grind_spring,         flags=VG_VAR_CHEAT );
 233    VG_VAR_F32( k_grind_aligment,       flags=VG_VAR_CHEAT );
 234    VG_VAR_F32( k_surface_spring,       flags=VG_VAR_CHEAT );
 235    VG_VAR_F32( k_surface_dampener,     flags=VG_VAR_CHEAT );
 236    VG_VAR_F32( k_board_interia,        flags=VG_VAR_CHEAT );
 237    VG_VAR_F32( k_grind_decayxy,        flags=VG_VAR_CHEAT );
 238    VG_VAR_F32( k_grind_axel_min_vel,   flags=VG_VAR_CHEAT );
 239    VG_VAR_F32( k_grind_axel_max_angle, flags=VG_VAR_CHEAT );
 240    VG_VAR_F32( k_grind_max_friction,   flags=VG_VAR_CHEAT );
 241    VG_VAR_F32( k_grind_balance,        flags=VG_VAR_CHEAT );
 242    VG_VAR_F32( k_friction_lat,         flags=VG_VAR_CHEAT );
 243
 244    VG_VAR_F32( k_cog_spring,           flags=VG_VAR_CHEAT );
 245    VG_VAR_F32( k_cog_damp,             flags=VG_VAR_CHEAT );
 246    VG_VAR_F32( k_cog_mass_ratio,       flags=VG_VAR_CHEAT );
 247
 248    VG_VAR_F32( k_spring_force,         flags=VG_VAR_CHEAT );
 249    VG_VAR_F32( k_spring_dampener,      flags=VG_VAR_CHEAT );
 250    VG_VAR_F32( k_spring_angular,       flags=VG_VAR_CHEAT );
 251
 252    VG_VAR_F32( k_mmthrow_scale,        flags=VG_VAR_CHEAT );
 253    VG_VAR_F32( k_mmcollect_lat,        flags=VG_VAR_CHEAT );
 254    VG_VAR_F32( k_mmcollect_vert,       flags=VG_VAR_CHEAT );
 255    VG_VAR_F32( k_mmdecay,              flags=VG_VAR_CHEAT );
 256    VG_VAR_F32( k_mmthrow_steer,        flags=VG_VAR_CHEAT );
 257 }
 258
 259 VG_STATIC void player__skate_bind         ( player_instance *player );
 260 VG_STATIC void player__skate_pre_update   ( player_instance *player );
 261 VG_STATIC void player__skate_update       ( player_instance *player );
 262 VG_STATIC void player__skate_post_update  ( player_instance *player );
 263 VG_STATIC void player__skate_im_gui       ( player_instance *player );
 264 VG_STATIC void player__skate_animate      ( player_instance *player,
 265                                             player_animation *anim );
 266 VG_STATIC void player__skate_post_animate ( player_instance *player );
 267 VG_STATIC void player__skate_reset        ( player_instance *player,
 268                                             ent_spawn *rp );
 269 VG_STATIC void player__skate_restore( player_instance *player );
 270
 271 VG_STATIC void player__skate_clear_mechanics( player_instance *player );
 272 VG_STATIC void player__skate_reset_animator( player_instance *player );
 273 VG_STATIC void player__approximate_best_trajectory( player_instance *player );
 274 #endif /* PLAYER_SKATE_H */