player_ragdoll.h

   1 #pragma once
   2
   3 /*
   4  * Copyright (C) 2021-2024 Mt.ZERO Software - All Rights Reserved
   5  *
   6  * Ragdoll system
   7  */
   8
   9 #include "player_api.h"
  10 #include "skeleton.h"
  11 #include "vg/vg_rigidbody.h"
  12 #include "vg/vg_rigidbody_constraints.h"
  13 #include "player_render.h"
  14
  15 struct player_ragdoll{
  16    struct ragdoll_part{
  17       u32 bone_id;
  18
  19       /* Collider transform relative to bone */
  20       m4x3f collider_mtx,
  21             inv_collider_mtx;
  22
  23       v4f prev_q;
  24       v3f prev_co;
  25
  26       u32 use_limits;
  27       v3f limits[2];
  28
  29       u32 parent;
  30       u32 colour;
  31
  32       rigidbody rb;
  33       enum bone_collider type;
  34
  35       union {
  36          rb_capsule capsule;
  37          boxf box;
  38       }
  39       inf;
  40    }
  41    parts[32];
  42    u32 part_count;
  43
  44    rb_constr_pos  position_constraints[32];
  45    u32            position_constraints_count;
  46
  47    rb_constr_swingtwist cone_constraints[32];
  48    u32                  cone_constraints_count;
  49
  50    /* TODO: Fix duplicated data */
  51    u32 constraint_associations[32][2];
  52    int shoes[2];
  53 };
  54
  55 static float k_ragdoll_floatyiness = 20.0f,
  56                 k_ragdoll_floatydrag  = 1.0f,
  57                 k_ragdoll_limit_scale = 1.0f,
  58                 k_ragdoll_spring = 127.0f,
  59                 k_ragdoll_dampening = 15.0f,
  60                 k_ragdoll_correction = 0.5f,
  61                 k_ragdoll_angular_drag = 0.08f,
  62                 k_ragdoll_active_threshold = 5.0f;
  63
  64 static int   k_ragdoll_div = 1,
  65                 ragdoll_frame = 0,
  66                 k_ragdoll_debug_collider = 1,
  67                 k_ragdoll_debug_constraints = 0;
  68
  69 enum player_die_type {
  70    k_player_die_type_generic,
  71    k_player_die_type_head,
  72    k_player_die_type_feet
  73 };
  74
  75 static void player_ragdoll_init(void);
  76 static void player_init_ragdoll_bone_collider( struct skeleton_bone *bone,
  77                                                   struct ragdoll_part *rp );
  78 static u32 ragdoll_bone_parent( struct player_ragdoll *rd, u32 bone_id );
  79 static void setup_ragdoll_from_skeleton( struct skeleton *sk,
  80                                          struct player_ragdoll *rd );
  81 static void copy_ragdoll_pose_to_localplayer( struct player_ragdoll *rd );
  82 static void copy_localplayer_to_ragdoll( struct player_ragdoll *rd,
  83                                          enum player_die_type type );
  84
  85 static void player_debug_ragdoll(void);
  86 static void player_ragdoll_iter( struct player_ragdoll *rd );