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