player_skate.h

   1 #ifndef PLAYER_SKATE_H
   2 #define PLAYER_SKATE_H
   3
   4 #include "player.h"
   5 #include "player_api.h"
   6
   7 typedef struct jump_info jump_info;
   8
   9 struct player_skate{
  10    struct player_skate_state{
  11       enum skate_activity{
  12          k_skate_activity_air,
  13          k_skate_activity_air_to_grind,
  14          k_skate_activity_ground,
  15          k_skate_activity_undefined,
  16          k_skate_activity_grind_any,
  17          k_skate_activity_grind_boardslide,
  18          k_skate_activity_grind_metallic,
  19          k_skate_activity_grind_back50,
  20          k_skate_activity_grind_front50,
  21          k_skate_activity_grind_5050
  22       }
  23       activity,
  24       activity_prev;
  25
  26       u32 grind_cooldown,
  27           surface_cooldown;
  28
  29       f32 reverse, slip, delayed_slip_dir;
  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       v3f trick_residualv, /* spring */
  40           trick_residuald;
  41
  42       float trick_time;
  43       enum  trick_type{
  44          k_trick_type_none,
  45          k_trick_type_kickflip,
  46          k_trick_type_shuvit,
  47          k_trick_type_treflip,
  48       }
  49       trick_type;
  50       float gravity_bias;
  51
  52       f32 trick_input_collect;
  53
  54       v3f up_dir;
  55       v3f head_position;
  56
  57       v3f throw_v;
  58       v3f cog_v, cog;
  59
  60       float grabbing;
  61       v2f grab_mouse_delta;
  62
  63       int charging_jump, jump_dir;
  64       float jump_charge,
  65             slap;
  66
  67       double jump_time;
  68       double start_push,
  69              cur_push;
  70
  71       v3f prev_pos;
  72
  73       /* initial launch conditions */
  74       double air_start;
  75       v3f    air_init_v,
  76              air_init_co;
  77
  78       float land_dist;
  79       v3f land_normal;
  80       v4f smoothed_rotation;
  81
  82       f32 velocity_limit, grind_y_start, skid;
  83    }
  84    state;
  85
  86    struct player_skate_animator {
  87       v3f root_co;
  88       v4f root_q;
  89       v3f root_v;
  90
  91       v3f offset,
  92           local_cog;
  93
  94       f32 slide,
  95           skid,
  96           z,
  97           x,
  98           fly,
  99           grind,
 100           grind_balance,
 101           stand,
 102           push,
 103           jump,
 104           airdir,
 105           weight,
 106           trick_foot,
 107           slap,
 108           subslap,
 109           reverse,
 110           delayed_slip_dir,
 111           grabbing;
 112
 113       v2f wobble;
 114       f32 foot_offset[2];
 115
 116       v4f qfixuptotal;
 117       v4f qflip;
 118
 119       v3f board_euler;
 120       f32 board_lean;
 121       v2f steer, grab;
 122
 123       f32 jump_charge;
 124
 125       /* linear anims */
 126       f32 push_time, jump_time;
 127       u8 jump_dir;
 128       u8 trick_type;
 129       u8 activity;
 130    }
 131    animator;
 132
 133    /* animation /audio
 134     * --------------------------------------------------------------*/
 135    struct skeleton_anim *anim_stand, *anim_highg, *anim_slide,
 136                         *anim_air, *anim_grind, *anim_grind_jump,
 137                         *anim_push,  *anim_push_reverse,
 138                         *anim_ollie, *anim_ollie_reverse,
 139                         *anim_grabs, *anim_stop;
 140
 141    /* vectors representing the direction of the axels in localspace */
 142    v3f truckv0[2];
 143
 144    audio_channel *aud_main, *aud_slide, *aud_air;
 145    enum mdl_surface_prop surface, audio_surface;
 146
 147    int wheel_contacts[2];
 148    float sample_change_cooldown;
 149
 150    enum {
 151       k_skate_sample_concrete,
 152       k_skate_sample_wood,
 153       k_skate_sample_concrete_scrape_metal,
 154       k_skate_sample_concrete_scrape_wood,
 155       k_skate_sample_metal_scrape_generic
 156    }
 157    main_sample_type;
 158
 159    /*
 160     * Physics
 161     * ----------------------------------------------------
 162     */
 163
 164    float substep, substep_delta;
 165
 166    struct jump_info{
 167       v3f   log[50];
 168       v3f   n;
 169       v3f   apex;
 170       v3f   v;
 171
 172       float gravity;
 173
 174       int   log_length;
 175       float score,
 176             land_dist;
 177
 178       enum prediction_type{
 179          k_prediction_none,
 180          k_prediction_unset,
 181          k_prediction_land,
 182          k_prediction_grind
 183       }
 184       type;
 185
 186       u32   colour;
 187    }
 188    possible_jumps[36];
 189    u32 possible_jump_count;
 190
 191    v3f surface_picture,
 192        weight_distribution,
 193        grind_vec,
 194        grind_dir;
 195
 196    float grind_strength;
 197    struct grind_limit{
 198       v3f ra, n;
 199       float p;
 200    }
 201    limits[3];
 202    u32 limit_count;
 203 }
 204 static player_skate;
 205
 206 enum player_skate_soundeffect {
 207    k_player_skate_soundeffect_jump,
 208    k_player_skate_soundeffect_tap,
 209    k_player_skate_soundeffect_land_good,
 210    k_player_skate_soundeffect_land_bad,
 211    k_player_skate_soundeffect_grind_metal,
 212    k_player_skate_soundeffect_grind_wood,
 213 };
 214
 215 static float
 216    k_friction_lat          = 12.0f,
 217    k_friction_resistance   = 0.01f,
 218
 219    k_max_push_speed        = 16.0f,
 220    k_push_accel            = 10.0f,
 221    k_push_cycle_rate       = 8.0f,
 222
 223    k_steer_ground          = 2.5f,
 224    k_steer_air             = 3.6f,
 225
 226    k_jump_charge_speed     = (1.0f/0.4f),
 227    k_jump_force            = 5.0f,
 228
 229    k_cog_spring            = 0.2f,
 230    k_cog_damp              = 0.02f,
 231    k_cog_mass_ratio        = 0.9f,
 232
 233    k_mmthrow_steer         = 1.0f,
 234    k_mmthrow_scale         = 6.0f,
 235    k_mmcollect_lat         = 2.0f,
 236    k_mmcollect_vert        = 0.0f,
 237    k_mmdecay               = 12.0f,
 238    k_spring_angular        = 1.0f,
 239
 240    k_spring_force          = 300.0f,
 241    k_spring_dampener       = 5.0f,
 242
 243    k_grind_spring          = 50.0f,
 244    k_grind_aligment        = 10.0f,
 245    k_grind_dampener        = 5.0f,
 246
 247    k_surface_spring        = 100.0f,
 248    k_surface_dampener      = 40.0f,
 249    k_manul_spring          = 200.0f,
 250    k_manul_dampener        = 30.0f,
 251    k_board_interia         = 8.0f,
 252
 253    k_grind_decayxy         = 30.0f,
 254    k_grind_axel_min_vel    = 1.0f,
 255    k_grind_axel_max_angle  = 0.95f, /* cosine(|a|) */
 256    k_grind_axel_max_vangle = 0.4f,
 257    k_grind_max_friction    = 3.0f,
 258    k_grind_max_edge_angle  = 0.97f,
 259
 260    k_board_length          = 0.45f,
 261    k_board_width           = 0.13f,
 262    k_board_end_radius      = 0.1f,
 263    k_board_radius          = 0.14f,    /* 0.07 */
 264
 265    k_grind_balance         = -40.0f;
 266
 267 static void player__skate_register(void){
 268    VG_VAR_F32( k_grind_dampener,       flags=VG_VAR_CHEAT );
 269    VG_VAR_F32( k_grind_spring,         flags=VG_VAR_CHEAT );
 270    VG_VAR_F32( k_grind_aligment,       flags=VG_VAR_CHEAT );
 271    VG_VAR_F32( k_surface_spring,       flags=VG_VAR_CHEAT );
 272    VG_VAR_F32( k_surface_dampener,     flags=VG_VAR_CHEAT );
 273    VG_VAR_F32( k_board_interia,        flags=VG_VAR_CHEAT );
 274    VG_VAR_F32( k_grind_decayxy,        flags=VG_VAR_CHEAT );
 275    VG_VAR_F32( k_grind_axel_min_vel,   flags=VG_VAR_CHEAT );
 276    VG_VAR_F32( k_grind_axel_max_angle, flags=VG_VAR_CHEAT );
 277    VG_VAR_F32( k_grind_max_friction,   flags=VG_VAR_CHEAT );
 278    VG_VAR_F32( k_grind_balance,        flags=VG_VAR_CHEAT );
 279    VG_VAR_F32( k_friction_lat,         flags=VG_VAR_CHEAT );
 280
 281    VG_VAR_F32( k_cog_spring,           flags=VG_VAR_CHEAT );
 282    VG_VAR_F32( k_cog_damp,             flags=VG_VAR_CHEAT );
 283    VG_VAR_F32( k_cog_mass_ratio,       flags=VG_VAR_CHEAT );
 284
 285    VG_VAR_F32( k_spring_force,         flags=VG_VAR_CHEAT );
 286    VG_VAR_F32( k_spring_dampener,      flags=VG_VAR_CHEAT );
 287    VG_VAR_F32( k_spring_angular,       flags=VG_VAR_CHEAT );
 288
 289    VG_VAR_F32( k_mmthrow_scale,        flags=VG_VAR_CHEAT );
 290    VG_VAR_F32( k_mmcollect_lat,        flags=VG_VAR_CHEAT );
 291    VG_VAR_F32( k_mmcollect_vert,       flags=VG_VAR_CHEAT );
 292    VG_VAR_F32( k_mmdecay,              flags=VG_VAR_CHEAT );
 293    VG_VAR_F32( k_mmthrow_steer,        flags=VG_VAR_CHEAT );
 294 }
 295
 296 static void player__skate_bind         (void);
 297 static void player__skate_pre_update   (void);
 298 static void player__skate_update       (void);
 299 static void player__skate_post_update  (void);
 300 static void player__skate_im_gui       (void);
 301 static void player__skate_animate      (void);
 302 static void player__skate_pose         (void *animator, player_pose *pose);
 303 static void player__skate_effects( void *_animator, m4x3f *final_mtx,
 304                                    struct player_board *board,
 305                                    struct player_effects_data *effect_data );
 306 static void player__skate_post_animate (void);
 307 static void player__skate_animator_exchange( bitpack_ctx *ctx, void *data );
 308 static void player__skate_sfx_oneshot  ( u8 id, v3f pos, f32 volume );
 309
 310 static void player__skate_clear_mechanics(void);
 311 static void player__skate_reset_animator(void);
 312 static void player__approximate_best_trajectory(void);
 313
 314 struct player_subsystem_interface static player_subsystem_skate = {
 315    .system_register = player__skate_register,
 316    .bind = player__skate_bind,
 317    .pre_update = player__skate_pre_update,
 318    .update = player__skate_update,
 319    .post_update = player__skate_post_update,
 320    .im_gui = player__skate_im_gui,
 321    .animate = player__skate_animate,
 322    .pose = player__skate_pose,
 323    .effects = player__skate_effects,
 324    .post_animate = player__skate_post_animate,
 325    .network_animator_exchange = player__skate_animator_exchange,
 326    .sfx_oneshot = player__skate_sfx_oneshot,
 327
 328    .animator_data = &player_skate.animator,
 329    .animator_size = sizeof(player_skate.animator),
 330    .name = "Skate"
 331 };
 332
 333 #endif /* PLAYER_SKATE_H */