player_model.h

   1 #ifndef CHARACTER_H
   2 #define CHARACTER_H
   3
   4 #include "common.h"
   5 #include "model.h"
   6 #include "rigidbody.h"
   7 #include "render.h"
   8 #include "skeleton.h"
   9 #include "world.h"
  10 #include "skeleton_animator.h"
  11 #include "shaders/viewchar.h"
  12
  13 vg_tex2d tex_characters = { .path = "textures/ch_gradient.qoi" };
  14
  15 static void character_register(void)
  16 {
  17    shader_viewchar_register();
  18 }
  19
  20 static void character_init(void)
  21 {
  22    vg_tex2d_init( (vg_tex2d *[]){ &tex_characters }, 1 );
  23 }
  24
  25 struct character
  26 {
  27    glmesh mesh;
  28    struct skeleton sk;
  29    struct skeleton_anim *anim_stand,
  30                         *anim_highg,
  31                         *anim_slide,
  32                         *anim_air,
  33                         *anim_push, *anim_push_reverse,
  34                         *anim_ollie;
  35
  36    u32 id_hip,
  37        id_ik_hand_l,
  38        id_ik_hand_r,
  39        id_ik_elbow_l,
  40        id_ik_elbow_r,
  41        id_head;
  42
  43    v3f cam_pos;
  44
  45    struct ragdoll_part
  46    {
  47       u32 bone_id;
  48       v3f offset;
  49       rigidbody rb;
  50    }
  51    *ragdoll;
  52    u32 ragdoll_count;
  53
  54    int shoes[2];
  55 };
  56
  57 static int character_load( struct character *ch, const char *name )
  58 {
  59    char buf[64];
  60
  61    snprintf( buf, sizeof(buf)-1, "models/%s.mdl", name );
  62    mdl_header *src = mdl_load( buf );
  63
  64    if( !src )
  65       return 0;
  66
  67    mdl_unpack_glmesh( src, &ch->mesh );
  68
  69    skeleton_setup( &ch->sk, src );
  70    ch->anim_stand = skeleton_get_anim( &ch->sk, "pose_stand" );
  71    ch->anim_highg = skeleton_get_anim( &ch->sk, "pose_highg" );
  72    ch->anim_slide = skeleton_get_anim( &ch->sk, "pose_slide" );
  73    ch->anim_air   = skeleton_get_anim( &ch->sk, "pose_air" );
  74    ch->anim_push  = skeleton_get_anim( &ch->sk, "push" );
  75    ch->anim_push_reverse = skeleton_get_anim( &ch->sk, "push_reverse" );
  76    ch->anim_ollie = skeleton_get_anim( &ch->sk, "ollie" );
  77
  78    ch->id_hip = skeleton_bone_id( &ch->sk, "hips" );
  79    ch->id_ik_hand_l = skeleton_bone_id( &ch->sk, "hand.IK.L" );
  80    ch->id_ik_hand_r = skeleton_bone_id( &ch->sk, "hand.IK.R" );
  81    ch->id_ik_elbow_l = skeleton_bone_id( &ch->sk, "elbow.L" );
  82    ch->id_ik_elbow_r = skeleton_bone_id( &ch->sk, "elbow.R" );
  83    ch->id_head = skeleton_bone_id( &ch->sk, "head" );
  84
  85    /* setup ragdoll */
  86
  87    if( ch->sk.collider_count )
  88    {
  89       vg_info( "Alloc: %d\n", ch->sk.collider_count );
  90       ch->ragdoll = malloc(sizeof(struct ragdoll_part) * ch->sk.collider_count);
  91       ch->ragdoll_count = 0;
  92
  93       for( u32 i=0; i<ch->sk.bone_count; i ++ )
  94       {
  95          struct skeleton_bone *bone = &ch->sk.bones[i];
  96
  97          if( bone->collider )
  98          {
  99             struct ragdoll_part *rp = &ch->ragdoll[ ch->ragdoll_count ++ ];
 100             rp->bone_id = i;
 101
 102             v3f delta;
 103             v3_sub( bone->hitbox[1], bone->hitbox[0], delta );
 104             v3_muls( delta, 0.5f, delta );
 105
 106             v3_add( bone->hitbox[0], delta, rp->offset );
 107
 108             v3_copy( delta, rp->rb.bbx[1] );
 109             v3_muls( delta, -1.0f, rp->rb.bbx[0] );
 110
 111             q_identity( rp->rb.q );
 112             v3_add( bone->co, rp->offset, rp->rb.co );
 113             rp->rb.type = k_rb_shape_box;
 114             rp->rb.is_world = 0;
 115
 116             rb_init( &rp->rb );
 117          }
 118       }
 119    }
 120
 121    free( src );
 122    return 1;
 123 }
 124
 125 static void character_eval( struct character *ch ){}
 126 static void character_draw( struct character *ch, float temp, m4x3f camera ){}
 127 static void character_init_ragdoll_joints( struct character *ch ){}
 128 static void character_init_ragdoll( struct character *ch ){}
 129 static void character_ragdoll_go( struct character *ch, v3f pos ){}
 130 static void character_ragdoll_copypose( struct character *ch, v3f v )
 131 {
 132    for( int i=0; i<ch->ragdoll_count; i++ )
 133    {
 134       struct ragdoll_part *part = &ch->ragdoll[i];
 135
 136       v3f pos, offset;
 137       u32 bone = part->bone_id;
 138
 139       m4x3_mulv( ch->sk.final_mtx[bone], ch->sk.bones[bone].co, pos );
 140       m3x3_mulv( ch->sk.final_mtx[bone], part->offset, offset );
 141       v3_add( pos, offset, part->rb.co );
 142       m3x3_q( ch->sk.final_mtx[bone], part->rb.q );
 143       v3_copy( v, part->rb.v );
 144       v3_zero( part->rb.w );
 145
 146       rb_update_transform( &part->rb );
 147    }
 148 }
 149
 150 static void character_debug_ragdoll( struct character *ch )
 151 {
 152    for( u32 i=0; i<ch->ragdoll_count; i ++ )
 153       rb_debug( &ch->ragdoll[i].rb, 0xff00ff00 );
 154 }
 155
 156 static void character_ragdoll_iter( struct character *ch )
 157 {
 158    rb_solver_reset();
 159
 160    for( int i=0; i<ch->ragdoll_count; i ++ )
 161       rb_collide( &ch->ragdoll[i].rb, &world.rb_geo );
 162
 163    rb_presolve_contacts( rb_contact_buffer, rb_contact_count );
 164
 165    v3f rv;
 166
 167    float shoe_vel[2] = {0.0f,0.0f};
 168    for( int i=0; i<2; i++ )
 169       if( ch->shoes[i] )
 170          shoe_vel[i] = v3_length( ch->ragdoll[i].rb.v );
 171
 172    /* CONSTRAINTS */
 173    for( int i=0; i<5; i++ )
 174    {
 175       rb_solve_contacts( rb_contact_buffer, rb_contact_count );
 176    }
 177
 178    /* INTEGRATION */
 179    for( int i=0; i<ch->ragdoll_count; i++ )
 180       rb_iter( &ch->ragdoll[i].rb );
 181
 182    /* SHOES */
 183
 184    for( int i=0; i<ch->ragdoll_count; i++ )
 185       rb_update_transform( &ch->ragdoll[i].rb );
 186 }
 187
 188 #endif