player_render.c

   1 #ifndef PLAYER_RENDER_C
   2 #define PLAYER_RENDER_C
   3
   4 #include "player.h"
   5 #include "player_render.h"
   6 #include "camera.h"
   7 #include "player_model.h"
   8
   9 #include "shaders/model_character_view.h"
  10 #include "shaders/model_board_view.h"
  11
  12 VG_STATIC void player_avatar_load( struct player_avatar *av, const char *path )
  13 {
  14    mdl_open( &av->meta, path, vg_mem.rtmemory );
  15    mdl_load_metadata_block( &av->meta, vg_mem.rtmemory );
  16    mdl_load_animation_block( &av->meta, vg_mem.rtmemory );
  17    mdl_close( &av->meta );
  18
  19    struct skeleton *sk = &av->sk;
  20    skeleton_setup( sk, vg_mem.rtmemory, &av->meta );
  21
  22    av->id_hip        = skeleton_bone_id( sk, "hips" );
  23    av->id_ik_hand_l  = skeleton_bone_id( sk, "hand.IK.L" );
  24    av->id_ik_hand_r  = skeleton_bone_id( sk, "hand.IK.R" );
  25    av->id_ik_elbow_l = skeleton_bone_id( sk, "elbow.L" );
  26    av->id_ik_elbow_r = skeleton_bone_id( sk, "elbow.R" );
  27    av->id_head       = skeleton_bone_id( sk, "head" );
  28    av->id_ik_foot_l  = skeleton_bone_id( sk, "foot.IK.L" );
  29    av->id_ik_foot_r  = skeleton_bone_id( sk, "foot.IK.R" );
  30    av->id_board      = skeleton_bone_id( sk, "board" );
  31    av->id_wheel_l    = skeleton_bone_id( sk, "wheel.L" );
  32    av->id_wheel_r    = skeleton_bone_id( sk, "wheel.R" );
  33    av->id_ik_knee_l  = skeleton_bone_id( sk, "knee.L" );
  34    av->id_ik_knee_r  = skeleton_bone_id( sk, "knee.R" );
  35 }
  36
  37 /* TODO: Standard model load */
  38
  39 VG_STATIC void player_model_load( struct player_model *mdl, const char *path )
  40 {
  41    vg_linear_clear( vg_mem.scratch );
  42
  43    mdl_context ctx;
  44    mdl_open( &ctx, path, vg_mem.scratch );
  45    mdl_load_metadata_block( &ctx, vg_mem.scratch );
  46
  47    if( !mdl_arrcount( &ctx.textures ) )
  48       vg_fatal_error( "No texture in player model" );
  49
  50    mdl_texture *tex0 = mdl_arritm( &ctx.textures, 0 );
  51    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  52    mdl_fread_pack_file( &ctx, &tex0->file, data );
  53
  54    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  55                             VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
  56                             &mdl->texture );
  57
  58    mdl_async_load_glmesh( &ctx, &mdl->mesh );
  59    mdl_close( &ctx );
  60 }
  61
  62 VG_STATIC void player_board_load( struct player_board *mdl, const char *path )
  63 {
  64    vg_linear_clear( vg_mem.scratch );
  65
  66    mdl_context ctx;
  67    mdl_open( &ctx, path, vg_mem.scratch );
  68    mdl_load_metadata_block( &ctx, vg_mem.scratch );
  69
  70    mdl_array_ptr markers;
  71    mdl_load_array( &ctx, &markers, "ent_marker", vg_mem.scratch );
  72
  73    if( !mdl_arrcount( &ctx.textures ) )
  74       vg_fatal_error( "No texture in board model" );
  75
  76    mdl_texture *tex0 = mdl_arritm( &ctx.textures, 0 );
  77    void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  78    mdl_fread_pack_file( &ctx, &tex0->file, data );
  79
  80    vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  81                             VG_TEX2D_CLAMP|VG_TEX2D_NEAREST,
  82                             &mdl->texture );
  83
  84    mdl_async_load_glmesh( &ctx, &mdl->mesh );
  85    mdl_close( &ctx );
  86
  87    for( int i=0; i<4; i++ )
  88       mdl->wheels[i].indice_count = 0;
  89    for( int i=0; i<2; i++ )
  90       mdl->trucks[i].indice_count = 0;
  91    mdl->board.indice_count = 0;
  92
  93    for( u32 i=0; i<mdl_arrcount(&ctx.meshs); i++ ){
  94       mdl_mesh *mesh = mdl_arritm( &ctx.meshs, i );
  95
  96       vg_info( "[%u]=%u:%u\n", mesh->entity_id,
  97                           mdl_entity_id_type( mesh->entity_id ),
  98                           mdl_entity_id_id( mesh->entity_id ) );
  99
 100       if( mdl_entity_id_type( mesh->entity_id ) != k_ent_marker )
 101          continue;
 102
 103       u32 index = mdl_entity_id_id( mesh->entity_id );
 104       ent_marker *marker = mdl_arritm( &markers, index );
 105
 106       mdl_submesh *sm0 = mdl_arritm( &ctx.submeshs, mesh->submesh_start );
 107
 108       const char *alias = mdl_pstr( &ctx, marker->pstr_alias );
 109       u32 lr = marker->transform.co[0] > 0.0f? 1: 0,
 110           fb = marker->transform.co[2] > 0.0f? 0: 1;
 111
 112       if( !strcmp( alias, "wheel" ) ){
 113          u32 id = fb<<1 | lr;
 114          mdl->wheels[ id ] = *sm0;
 115          v3_copy( marker->transform.co, mdl->wheel_positions[ id ] );
 116       }
 117       else if( !strcmp( alias, "board" ) ){
 118          mdl->board = *sm0;
 119          v3_copy( marker->transform.co, mdl->board_position );
 120       }
 121       else if( !strcmp( alias, "truck" ) ){
 122          mdl->trucks[ fb ] = *sm0;
 123          v3_copy( marker->transform.co, mdl->truck_positions[ fb ] );
 124       }
 125    }
 126 }
 127
 128 VG_STATIC void player__pre_render( player_instance *player )
 129 {
 130    if( _player_animate[ player->subsystem ] ){
 131       player_animation res;
 132       _player_animate[ player->subsystem ]( player, &res );
 133
 134       m4x3f transform;
 135       q_m3x3( res.root_q, transform );
 136       v3_copy( res.root_co, transform[3] );
 137
 138       struct skeleton *sk = &player->playeravatar->sk;
 139
 140       if( player->holdout_time > 0.0f ){
 141          skeleton_lerp_pose( sk, res.pose, player->holdout_pose,
 142                                            player->holdout_time, res.pose );
 143          player->holdout_time -= vg.time_frame_delta * 2.0f;
 144       }
 145
 146       skeleton_apply_pose( sk, res.pose, k_anim_apply_defer_ik );
 147       skeleton_apply_ik_pass( sk );
 148       skeleton_apply_pose( sk, res.pose, k_anim_apply_deffered_only );
 149       skeleton_apply_inverses( sk );
 150       skeleton_apply_transform( sk, transform );
 151
 152       skeleton_debug( sk );
 153    }
 154
 155    if( _player_post_animate[ player->subsystem ] )
 156       _player_post_animate[ player->subsystem ]( player );
 157
 158    struct player_avatar *av = player->playeravatar;
 159
 160    v3f vp0 = {0.0f,0.1f, player->playerboard->truck_positions[0][2]},
 161        vp1 = {0.0f,0.1f, player->playerboard->truck_positions[1][2]};
 162
 163    struct ub_world_lighting *ubo = &get_active_world()->ub_lighting;
 164    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp0, ubo->g_board_0 );
 165    m4x3_mulv( av->sk.final_mtx[ av->id_board ], vp1, ubo->g_board_1 );
 166
 167    if( player->rewinding ){
 168       if( player->rewind_time <= 0.0f ){
 169          double taken = vg.time - player->rewind_start;
 170          vg_success( "Rewind took (rt, pt, tl): %f, %f, %f\n",
 171                            taken, player->rewind_predicted_time,
 172                            player->rewind_total_length );
 173
 174          player->rewinding = 0;
 175          player->rewind_length = 1;
 176          player->rewind_total_length = 0.0f;
 177          player->rewind_accum = 0.0f;
 178          world_global.sky_target_rate = 1.0;
 179          world_global.time = world_global.last_use;
 180       }
 181       else{
 182          world_global.sky_target_rate = -100.0;
 183
 184          float budget         = vg.time_delta,
 185                overall_length = player->rewind_length;
 186
 187          for( int i=0; (i<10)&&(player->rewind_time>0.0f)&&(budget>0.0f); i++ ){
 188             /* Interpolate frames */
 189             int i0 = floorf( player->rewind_time ),
 190                 i1 = VG_MIN( i0+1, player->rewind_length-1 );
 191
 192             struct rewind_frame *fr =  &player->rewind_buffer[i0],
 193                                 *fr1 = &player->rewind_buffer[i1];
 194
 195             float dist = vg_maxf( v3_dist( fr->pos, fr1->pos ), 0.001f ),
 196                   subl = vg_fractf( player->rewind_time ) + 0.001f,
 197
 198                   sramp = 3.0f-(1.0f/(0.4f+0.4f*player->rewind_time)),
 199                   speed = sramp*28.0f + 0.5f*player->rewind_time,
 200                   mod  = speed * (budget / dist),
 201
 202                   advl = vg_minf( mod, subl ),
 203                   advt = (advl / mod) * budget;
 204
 205             player->dist_accum += speed * advt;
 206             player->rewind_time -= advl;
 207             budget -= advt;
 208          }
 209
 210          player->rewind_time = vg_maxf( 0.0f, player->rewind_time );
 211
 212          float current_time = vg.time - player->rewind_start,
 213                remaining    = player->rewind_predicted_time - current_time;
 214
 215          if( player->rewind_sound_wait ){
 216             if( player->rewind_predicted_time >= 6.5f ){
 217                if( remaining <= 6.5f ){
 218                   audio_lock();
 219                   audio_oneshot( &audio_rewind[3], 1.0f, 0.0f );
 220                   audio_unlock();
 221                   player->rewind_sound_wait = 0;
 222                }
 223             }
 224             else if( player->rewind_predicted_time >= 2.5f ){
 225                if( remaining <= 2.5f ){
 226                   audio_lock();
 227                   audio_oneshot( &audio_rewind[2], 1.0f, 0.0f );
 228                   audio_unlock();
 229                   player->rewind_sound_wait = 0;
 230                }
 231             }
 232             else if( player->rewind_predicted_time >= 1.5f ){
 233                if( remaining <= 1.5f ){
 234                   audio_lock();
 235                   audio_oneshot( &audio_rewind[1], 1.0f, 0.0f );
 236                   audio_unlock();
 237                   player->rewind_sound_wait = 0;
 238                }
 239             }
 240          }
 241
 242          int i0 = floorf( player->rewind_time ),
 243              i1 = VG_MIN( i0+1, player->rewind_length-1 );
 244
 245          struct rewind_frame *fr =  &player->rewind_buffer[i0],
 246                              *fr1 = &player->rewind_buffer[i1];
 247
 248          float sub = vg_fractf(player->rewind_time);
 249
 250          v3_lerp( fr->pos, fr1->pos, sub, player->cam_override_pos );
 251          player->cam_override_angles[0] =
 252             vg_alerpf( fr->ang[0], fr1->ang[0], sub );
 253          player->cam_override_angles[1] =
 254             vg_lerpf ( fr->ang[1], fr1->ang[1], sub );
 255
 256          float blend = player->rewind_time * 0.25f;
 257          player->cam_override_strength = vg_clampf( blend, 0.0f, 1.0f );
 258       }
 259    }
 260    else player->cam_override_strength = 0.0f;
 261
 262    player__cam_iterate( player );
 263 }
 264
 265 PLAYER_API void player__render( camera *cam, player_instance *player )
 266 {
 267    shader_model_character_view_use();
 268
 269         glActiveTexture( GL_TEXTURE0 );
 270         glBindTexture( GL_TEXTURE_2D, player->playermodel->texture );
 271    shader_model_character_view_uTexMain( 0 );
 272    shader_model_character_view_uCamera( cam->transform[3] );
 273    shader_model_character_view_uPv( cam->mtx.pv );
 274    shader_model_character_view_uTexSceneDepth( 1 );
 275    render_fb_bind_texture( gpipeline.fb_main, 2, 1 );
 276    v3f inverse;
 277    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 278    inverse[2] = main_camera.farz-main_camera.nearz;
 279
 280    shader_model_character_view_uInverseRatioDepth( inverse );
 281    render_fb_inverse_ratio( NULL, inverse );
 282    inverse[2] = cam->farz-cam->nearz;
 283    shader_model_character_view_uInverseRatioMain( inverse );
 284
 285    world_instance *world = get_active_world();
 286    world_link_lighting_ub( world, _shader_model_character_view.id );
 287    world_bind_position_texture( world, _shader_model_character_view.id,
 288                               _uniform_model_character_view_g_world_depth, 2 );
 289    world_bind_light_array( world, _shader_model_character_view.id,
 290                               _uniform_model_character_view_uLightsArray, 3 );
 291    world_bind_light_index( world, _shader_model_character_view.id,
 292                               _uniform_model_character_view_uLightsIndex, 4 );
 293
 294    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 295                          player->playeravatar->sk.bone_count,
 296                          0,
 297                          (float *)player->playeravatar->sk.final_mtx );
 298
 299    mesh_bind( &player->playermodel->mesh );
 300    mesh_draw( &player->playermodel->mesh );
 301
 302    /* draw skateboard */
 303    shader_model_board_view_use();
 304         glActiveTexture( GL_TEXTURE0 );
 305    glBindTexture( GL_TEXTURE_2D, player->playerboard->texture );
 306    shader_model_board_view_uTexMain( 0 );
 307    shader_model_board_view_uCamera( cam->transform[3] );
 308    shader_model_board_view_uPv( cam->mtx.pv );
 309    shader_model_board_view_uTexSceneDepth( 1 );
 310
 311    render_fb_inverse_ratio( gpipeline.fb_main, inverse );
 312    inverse[2] = main_camera.farz-main_camera.nearz;
 313
 314    shader_model_board_view_uInverseRatioDepth( inverse );
 315    render_fb_inverse_ratio( NULL, inverse );
 316    inverse[2] = cam->farz-cam->nearz;
 317    shader_model_board_view_uInverseRatioMain( inverse );
 318
 319    world_link_lighting_ub( world, _shader_model_board_view.id );
 320    world_bind_position_texture( world, _shader_model_board_view.id,
 321                               _uniform_model_board_view_g_world_depth, 2 );
 322    world_bind_light_array( world, _shader_model_board_view.id,
 323                               _uniform_model_board_view_uLightsArray, 3 );
 324    world_bind_light_index( world, _shader_model_board_view.id,
 325                               _uniform_model_board_view_uLightsIndex, 4 );
 326
 327    m4x3f root;
 328    m4x3_copy( player->playeravatar->sk.final_mtx[player->playeravatar->id_board]
 329               , root );
 330
 331    struct player_board *board = player->playerboard;
 332    mesh_bind( &board->mesh );
 333
 334    if( board->board.indice_count ){
 335       m4x3f mlocal;
 336       m3x3_identity( mlocal );
 337       v3_copy( board->board_position, mlocal[3] );
 338       m4x3_mul( root, mlocal, mlocal );
 339
 340       shader_model_board_view_uMdl( mlocal );
 341       mdl_draw_submesh( &board->board );
 342    }
 343
 344    for( int i=0; i<2; i++ ){
 345       if( !board->trucks[i].indice_count )
 346          continue;
 347
 348       m4x3f mlocal;
 349       m3x3_identity( mlocal );
 350       v3_copy( board->truck_positions[i], mlocal[3] );
 351       m4x3_mul( root, mlocal, mlocal );
 352
 353       shader_model_board_view_uMdl( mlocal );
 354       mdl_draw_submesh( &board->trucks[i] );
 355    }
 356
 357    for( int i=0; i<4; i++ ){
 358       if( !board->wheels[i].indice_count )
 359          continue;
 360
 361       m4x3f mlocal;
 362       m3x3_identity( mlocal );
 363       v3_copy( board->wheel_positions[i], mlocal[3] );
 364       m4x3_mul( root, mlocal, mlocal );
 365
 366       shader_model_board_view_uMdl( mlocal );
 367       mdl_draw_submesh( &board->wheels[i] );
 368    }
 369 }
 370
 371 #endif /* PLAYER_RENDER_C */