player.h

   1 /*
   2  * Copyright 2021-2022 (C) Mount0 Software, Harry Godden - All Rights Reserved
   3  * -----------------------------------------------------------------------------
   4  *
   5  * Player head module
   6  *
   7  * -----------------------------------------------------------------------------
   8  */
   9
  10 #ifndef PLAYER_H
  11 #define PLAYER_H
  12
  13 #include "audio.h"
  14 #include "common.h"
  15 #include "world.h"
  16 #include "skeleton.h"
  17 #include "bvh.h"
  18
  19 static float
  20    k_walkspeed             = 7.0f,  /* no longer used */
  21    k_runspeed              = 14.0f,
  22    k_board_radius          = 0.3f,
  23    k_board_length          = 0.45f,
  24    k_board_allowance       = 0.04f,
  25    k_friction_lat          = 8.8f,
  26    k_friction_resistance   = 0.01f,
  27    k_max_push_speed        = 16.0f,
  28    k_push_accel            = 10.0f,
  29    k_push_cycle_rate       = 8.0f,
  30    k_steer_ground          = 2.5f,
  31    k_steer_air             = 3.6f,
  32    k_steer_air_lerp        = 0.3f,
  33    k_pump_force            = 0.0f,
  34    k_downforce             = 5.0f,
  35    k_jump_charge_speed     = (1.0f/1.0f),
  36    k_jump_force            = 5.0f,
  37    k_pitch_limit           = 1.5f,
  38    k_look_speed            = 2.0f,
  39    k_walk_accel            = 5.0f,
  40    k_walk_friction         = 8.0f;
  41
  42 static int freecam = 0;
  43 static int walk_grid_iterations = 1;
  44 static float fc_speed = 10.0f;
  45
  46 /*
  47  * -----------------------------------------------------------------------------
  48  *                                  Memory
  49  * -----------------------------------------------------------------------------
  50  */
  51
  52 static struct gplayer
  53 {
  54    /* Physics */
  55    rigidbody rb, collide_front, collide_back, rb_gate_frame;
  56
  57    /* TODO: eugh */
  58    m3x3f gate_vr_frame, gate_vr_pstep_frame;
  59    int on_board_frame, in_air_frame;
  60
  61    v3f a, v_last, m, bob, vl;
  62
  63    /* Utility */
  64    float vswitch, slip, slip_last,
  65          reverse;
  66
  67    float iY;   /* Yaw inertia */
  68    int in_air, is_dead, on_board;
  69
  70    v2f board_xy;
  71    float grab;
  72    float pitch;
  73    float pushing, push_time;
  74    float jump;
  75    int jump_charge, jump_dir;
  76
  77    v3f land_target;
  78    v3f land_target_log[22];
  79    u32 land_target_colours[22];
  80    int land_log_count;
  81    m3x3f vr,vr_pstep;
  82
  83    v3f handl_target, handr_target,
  84        handl, handr;
  85
  86    /* Camera */
  87    float air_blend;
  88
  89    v3f camera_pos, smooth_localcam;
  90    v2f angles;
  91    m4x3f camera, camera_inverse;
  92
  93    /* animation */
  94    double jump_time;
  95    float fslide,
  96          fdirz, fdirx,
  97          fstand,
  98          ffly,
  99          fpush,
 100          fairdir,
 101          fsetup,
 102          walk_timer,
 103          fonboard;
 104    int step_phase;
 105
 106    /* player model */
 107    struct player_model
 108    {
 109       glmesh mesh;
 110       struct skeleton sk;
 111       struct skeleton_anim *anim_stand,
 112                            *anim_highg,
 113                            *anim_slide,
 114                            *anim_air,
 115                            *anim_push, *anim_push_reverse,
 116                            *anim_ollie, *anim_ollie_reverse,
 117                            *anim_grabs, *anim_stop,
 118                            *anim_walk, *anim_run, *anim_idle;
 119
 120       u32 id_hip,
 121           id_ik_hand_l,
 122           id_ik_hand_r,
 123           id_ik_elbow_l,
 124           id_ik_elbow_r,
 125           id_head;
 126
 127       v3f cam_pos;
 128
 129       struct ragdoll_part
 130       {
 131          u32 bone_id;
 132          v3f offset;
 133
 134          u32 use_limits;
 135          v3f limits[2];
 136
 137          rigidbody  rb;
 138          u32 parent;
 139       }
 140       *ragdoll;
 141       u32 ragdoll_count;
 142
 143       int shoes[2];
 144    }
 145    mdl;
 146 }
 147 player =
 148 {
 149    .on_board = 0,
 150
 151    .collide_front = { .type = k_rb_shape_sphere, .inf.sphere.radius = 0.3f },
 152    .collide_back  = { .type = k_rb_shape_sphere, .inf.sphere.radius = 0.3f }
 153 };
 154
 155 /*
 156  * API
 157  */
 158 static float *player_get_pos(void);
 159 static void player_kill(void);
 160 static float *player_cam_pos(void);
 161
 162 /*
 163  * Submodules
 164  */
 165 #include "player_physics.h"
 166 #include "player_ragdoll.h"
 167 #include "player_model.h"
 168 #include "player_animation.h"
 169 #include "player_audio.h"
 170
 171 /*
 172  * -----------------------------------------------------------------------------
 173  *                                    Events
 174  * -----------------------------------------------------------------------------
 175  */
 176
 177 static void player_register(void)                                        /* 0 */
 178 {
 179    player_model_register();
 180 }
 181
 182 static void player_init(void)                                            /* 1 */
 183 {
 184    player_model_init();
 185
 186    rb_init( &player.collide_front );
 187    rb_init( &player.collide_back  );
 188 }
 189
 190 static void player_update(void)                                          /* 2 */
 191 {
 192    for( int i=0; i<player.land_log_count; i++ )
 193       vg_line_cross( player.land_target_log[i],
 194             player.land_target_colours[i], 0.25f);
 195
 196    if( vg_get_axis("grabl")>0.0f)
 197    {
 198       player.rb = player.rb_gate_frame;
 199       player.on_board = player.on_board_frame;
 200       player.in_air = player.in_air_frame;
 201       m3x3_copy( player.gate_vr_frame, player.vr );
 202       m3x3_copy( player.gate_vr_pstep_frame, player.vr_pstep );
 203       player.is_dead = 0;
 204       player.in_air = 1;
 205
 206
 207       if( !player.on_board )
 208       {
 209          player.angles[0] = atan2f( -player.rb.forward[2],
 210                                     -player.rb.forward[0] );
 211       }
 212
 213       m3x3_identity( player.vr );
 214
 215       player.mdl.shoes[0] = 1;
 216       player.mdl.shoes[1] = 1;
 217
 218       world_routes_notify_reset();
 219    }
 220
 221    if( vg_get_button_down( "switchmode" ) )
 222    {
 223       player.on_board ^= 0x1;
 224    }
 225
 226    if( (glfwGetKey( vg_window, GLFW_KEY_O ) || (player.rb.co[1] < 0.0f)) &&
 227        !player.is_dead)
 228    {
 229       player_ragdoll_copy_model( player.rb.v );
 230       player.is_dead = 1;
 231    }
 232
 233    if( player.is_dead )
 234    {
 235       player_ragdoll_iter();
 236       player_debug_ragdoll();
 237
 238       if( !freecam )
 239          player_animate_death_cam();
 240    }
 241    else
 242    {
 243       player_do_motion();
 244       player_animate();
 245
 246       if( !freecam )
 247          player_animate_camera();
 248    }
 249
 250    if( freecam )
 251       player_freecam();
 252
 253    player_camera_update();
 254    player_audio();
 255 }
 256
 257 static void draw_player(void)                                            /* 3 */
 258 {
 259    if( player.is_dead )
 260       player_model_copy_ragdoll();
 261
 262    shader_viewchar_use();
 263    vg_tex2d_bind( &tex_characters, 0 );
 264    shader_viewchar_uTexMain( 0 );
 265    shader_viewchar_uCamera( player.camera[3] );
 266    shader_viewchar_uPv( vg_pv );
 267    shader_link_standard_ub( _shader_viewchar.id, 2 );
 268    glUniformMatrix4x3fv( _uniform_viewchar_uTransforms,
 269                          player.mdl.sk.bone_count,
 270                          0,
 271                          (float *)player.mdl.sk.final_mtx );
 272
 273    mesh_bind( &player.mdl.mesh );
 274    mesh_draw( &player.mdl.mesh );
 275 }
 276
 277 /*
 278  * -----------------------------------------------------------------------------
 279  *                              API implementation
 280  * -----------------------------------------------------------------------------
 281  */
 282
 283 static float *player_get_pos(void)
 284 {
 285    return player.rb.co;
 286 }
 287
 288 static void player_kill(void)
 289 {
 290    player.is_dead = 1;
 291    player_ragdoll_copy_model( player.rb.v );
 292 }
 293
 294 static float *player_cam_pos(void)
 295 {
 296    return player.camera_pos;
 297 }
 298
 299
 300 #endif /* PLAYER_H */