player_skate.h

   1 #pragma once
   2 #include "vg/vg_audio.h"
   3 #include "player.h"
   4 #include "player_api.h"
   5
   6 typedef struct jump_info jump_info;
   7
   8 struct player_skate{
   9    struct player_skate_state{
  10       enum skate_activity{
  11          k_skate_activity_air,
  12          k_skate_activity_air_to_grind,
  13          k_skate_activity_ground,
  14          k_skate_activity_handplant,
  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       f32 handplant_t;
  84
  85       v3f store_cog_v, store_cog, store_co;
  86       v4f store_smoothed, store_q;
  87    }
  88    state;
  89
  90    struct player_skate_animator {
  91       v3f root_co;
  92       v4f root_q;
  93       v3f root_v;
  94
  95       v3f offset,
  96           local_cog;
  97
  98       f32 slide,
  99           skid,
 100           z,
 101           x,
 102           fly,
 103           grind,
 104           grind_balance,
 105           stand,
 106           push,
 107           jump,
 108           airdir,
 109           weight,
 110           trick_foot,
 111           slap,
 112           subslap,
 113           reverse,
 114           delayed_slip_dir,
 115           grabbing;
 116
 117       v2f wobble;
 118       f32 foot_offset[2];
 119
 120       v4f qfixuptotal;
 121       v4f qflip;
 122
 123       v3f board_euler;
 124       f32 board_lean;
 125       v2f steer, grab;
 126
 127       f32 jump_charge;
 128
 129       /* linear anims. TODO: we can union a bunch of variables here depending
 130        * on activity. */
 131       f32 push_time, jump_time, handplant_t;
 132       u8 jump_dir;
 133       u8 trick_type; /* todo: should encode grind type */
 134       u8 activity, surface;
 135    }
 136    animator;
 137
 138    /* animation /audio
 139     * --------------------------------------------------------------*/
 140    struct skeleton_anim *anim_stand, *anim_highg, *anim_slide,
 141                         *anim_air, *anim_grind, *anim_grind_jump,
 142                         *anim_push,  *anim_push_reverse,
 143                         *anim_ollie, *anim_ollie_reverse,
 144                         *anim_grabs, *anim_stop,
 145                         *anim_handplant;
 146
 147    /* vectors representing the direction of the axels in localspace */
 148    v3f truckv0[2];
 149
 150    audio_channel *aud_main, *aud_slide, *aud_air;
 151    enum mdl_surface_prop surface, audio_surface;
 152
 153    int wheel_contacts[2];
 154    float sample_change_cooldown;
 155
 156    enum {
 157       k_skate_sample_concrete,
 158       k_skate_sample_wood,
 159       k_skate_sample_concrete_scrape_metal,
 160       k_skate_sample_concrete_scrape_wood,
 161       k_skate_sample_metal_scrape_generic
 162    }
 163    main_sample_type;
 164
 165    /*
 166     * Physics
 167     * ----------------------------------------------------
 168     */
 169
 170    float substep, substep_delta;
 171
 172    struct jump_info{
 173       v3f   log[50];
 174       v3f   n;
 175       v3f   apex;
 176       v3f   v;
 177
 178       float gravity;
 179
 180       int   log_length;
 181       float score,
 182             land_dist;
 183
 184       enum prediction_type{
 185          k_prediction_none,
 186          k_prediction_unset,
 187          k_prediction_land,
 188          k_prediction_grind
 189       }
 190       type;
 191
 192       u32   colour;
 193    }
 194    possible_jumps[36];
 195    u32 possible_jump_count;
 196
 197    v3f surface_picture,
 198        weight_distribution,
 199        grind_vec,
 200        grind_dir;
 201
 202    float grind_strength;
 203    struct grind_limit{
 204       v3f ra, n;
 205       float p;
 206    }
 207    limits[3];
 208    u32 limit_count;
 209 }
 210 extern player_skate;
 211 extern struct player_subsystem_interface player_subsystem_skate;
 212
 213 enum player_skate_soundeffect {
 214    k_player_skate_soundeffect_jump,
 215    k_player_skate_soundeffect_tap,
 216    k_player_skate_soundeffect_land_good,
 217    k_player_skate_soundeffect_land_bad,
 218    k_player_skate_soundeffect_grind_metal,
 219    k_player_skate_soundeffect_grind_wood,
 220 };
 221
 222 static float
 223    k_friction_lat          = 12.0f,
 224    k_friction_resistance   = 0.01f,
 225
 226    k_max_push_speed        = 16.0f,
 227    k_push_accel            = 10.0f,
 228    k_push_cycle_rate       = 8.0f,
 229
 230    k_steer_ground          = 2.5f,
 231    k_steer_air             = 3.6f,
 232
 233    k_jump_charge_speed     = (1.0f/0.4f),
 234    k_jump_force            = 5.0f,
 235
 236    k_cog_spring            = 0.2f,
 237    k_cog_damp              = 0.02f,
 238    k_cog_mass_ratio        = 0.9f,
 239
 240    k_mmthrow_steer         = 1.0f,
 241    k_mmthrow_scale         = 6.0f,
 242    k_mmcollect_lat         = 2.0f,
 243    k_mmcollect_vert        = 0.0f,
 244    k_mmdecay               = 12.0f,
 245    k_spring_angular        = 1.0f,
 246
 247    k_spring_force          = 300.0f,
 248    k_spring_dampener       = 5.0f,
 249
 250    k_grind_spring          = 50.0f,
 251    k_grind_aligment        = 10.0f,
 252    k_grind_dampener        = 5.0f,
 253
 254    k_surface_spring        = 100.0f,
 255    k_surface_dampener      = 40.0f,
 256    k_manul_spring          = 200.0f,
 257    k_manul_dampener        = 30.0f,
 258    k_board_interia         = 8.0f,
 259
 260    k_grind_decayxy         = 30.0f,
 261    k_grind_axel_min_vel    = 1.0f,
 262    k_grind_axel_max_angle  = 0.95f, /* cosine(|a|) */
 263    k_grind_axel_max_vangle = 0.4f,
 264    k_grind_max_friction    = 3.0f,
 265    k_grind_max_edge_angle  = 0.97f,
 266
 267    k_board_length          = 0.45f,
 268    k_board_width           = 0.13f,
 269    k_board_end_radius      = 0.1f,
 270    k_board_radius          = 0.14f,    /* 0.07 */
 271
 272    k_grind_balance         = -40.0f,
 273    k_anim_transition       = 0.12f;
 274
 275 static void player__skate_register(void){
 276    VG_VAR_F32( k_grind_dampener,       flags=VG_VAR_CHEAT );
 277    VG_VAR_F32( k_grind_spring,         flags=VG_VAR_CHEAT );
 278    VG_VAR_F32( k_grind_aligment,       flags=VG_VAR_CHEAT );
 279    VG_VAR_F32( k_surface_spring,       flags=VG_VAR_CHEAT );
 280    VG_VAR_F32( k_surface_dampener,     flags=VG_VAR_CHEAT );
 281    VG_VAR_F32( k_board_interia,        flags=VG_VAR_CHEAT );
 282    VG_VAR_F32( k_grind_decayxy,        flags=VG_VAR_CHEAT );
 283    VG_VAR_F32( k_grind_axel_min_vel,   flags=VG_VAR_CHEAT );
 284    VG_VAR_F32( k_grind_axel_max_angle, flags=VG_VAR_CHEAT );
 285    VG_VAR_F32( k_grind_max_friction,   flags=VG_VAR_CHEAT );
 286    VG_VAR_F32( k_grind_balance,        flags=VG_VAR_CHEAT );
 287    VG_VAR_F32( k_friction_lat,         flags=VG_VAR_CHEAT );
 288
 289    VG_VAR_F32( k_cog_spring,           flags=VG_VAR_CHEAT );
 290    VG_VAR_F32( k_cog_damp,             flags=VG_VAR_CHEAT );
 291    VG_VAR_F32( k_cog_mass_ratio,       flags=VG_VAR_CHEAT );
 292
 293    VG_VAR_F32( k_spring_force,         flags=VG_VAR_CHEAT );
 294    VG_VAR_F32( k_spring_dampener,      flags=VG_VAR_CHEAT );
 295    VG_VAR_F32( k_spring_angular,       flags=VG_VAR_CHEAT );
 296
 297    VG_VAR_F32( k_mmthrow_scale,        flags=VG_VAR_CHEAT );
 298    VG_VAR_F32( k_mmcollect_lat,        flags=VG_VAR_CHEAT );
 299    VG_VAR_F32( k_mmcollect_vert,       flags=VG_VAR_CHEAT );
 300    VG_VAR_F32( k_mmdecay,              flags=VG_VAR_CHEAT );
 301    VG_VAR_F32( k_mmthrow_steer,        flags=VG_VAR_CHEAT );
 302    VG_VAR_F32( k_anim_transition,      flags=VG_VAR_CHEAT );
 303 }
 304
 305 void player__skate_bind         (void);
 306 void player__skate_pre_update   (void);
 307 void player__skate_update       (void);
 308 void player__skate_post_update  (void);
 309 void player__skate_im_gui       (void);
 310 void player__skate_animate      (void);
 311 void player__skate_pose         (void *animator, player_pose *pose);
 312 void player__skate_effects( void *_animator, m4x3f *final_mtx,
 313                             struct player_board *board,
 314                             struct player_effects_data *effect_data );
 315 void player__skate_post_animate (void);
 316 void player__skate_animator_exchange( bitpack_ctx *ctx, void *data );
 317 void player__skate_sfx_oneshot  ( u8 id, v3f pos, f32 volume );
 318
 319 void player__skate_clear_mechanics(void);
 320 void player__skate_reset_animator(void);
 321 void player__approximate_best_trajectory(void);
 322 void player__skate_comp_audio( void *animator );
 323 void player__skate_kill_audio(void);