world_sfd.c

   1 #ifndef SFD_C
   2 #define SFD_C
   3
   4 #include "world_sfd.h"
   5 #include "shaders/scene_scoretext.h"
   6 #include "shaders/scene_vertex_blend.h"
   7 #include "network.h"
   8 #include "entity.h"
   9
  10 static f32 sfd_encode_glyph( char c ){
  11    int value = 0;
  12    if( c >= 'a' && c <= 'z' )
  13       value = c-'a'+11;
  14    else if( c >= '0' && c <= '9' )
  15       value = c-'0'+1;
  16    else if( c >= 'A' && c <= 'Z' )
  17       value = c-'A'+11;
  18    else if( c >= '\x01' && c <= '\x01'+10 )
  19       value = 63-c;
  20    else{
  21       int base = 11+26;
  22
  23       switch( c ){
  24          case '!': value=base+0; break;
  25          case '?': value=base+1; break;
  26          case ',': value=base+2; break;
  27          case '.': value=base+3; break;
  28          case '#': value=base+4; break;
  29          case '$': value=base+5; break;
  30          case '%': value=base+6; break;
  31          case '*': value=base+7; break;
  32          case '+': value=base+8; break;
  33          case '-': value=base+9; break;
  34          case '/': value=base+10; break;
  35          case ':': value=base+11; break;
  36          default: value=0; break;
  37       }
  38    }
  39
  40    return (float)value;
  41 }
  42
  43 static void sfd_encode( u32 row, const char *str )
  44 {
  45    int end=0;
  46    u32 row_h = world_sfd.h -1 -row;
  47
  48    for( int i=0; i<world_sfd.w; i++ ){
  49       u32 idx = (world_sfd.w*row_h + i) * 2;
  50
  51       if( end ){
  52          world_sfd.buffer[idx] = 0.0f;
  53       }
  54       else{
  55          if( !str[i] )
  56             end = 1;
  57
  58          world_sfd.buffer[idx] = sfd_encode_glyph( str[i] );
  59       }
  60    }
  61 }
  62
  63 static void world_sfd_update( world_instance *world, v3f pos ){
  64    if( mdl_arrcount( &world->ent_route ) ){
  65       u32 closest = 0;
  66       float min_dist = INFINITY;
  67
  68       for( u32 i=0; i<mdl_arrcount( &world->ent_route ); i++ ){
  69          ent_route *route = mdl_arritm( &world->ent_route, i );
  70          float dist = v3_dist2( route->board_transform[3], pos );
  71
  72          if( dist < min_dist ){
  73             min_dist = dist;
  74             closest = i;
  75          }
  76       }
  77
  78       if( (world_sfd.active_route_board != closest) || network_scores_updated ){
  79          network_scores_updated = 0;
  80          world_sfd.active_route_board = closest;
  81
  82          ent_route *route = mdl_arritm( &world->ent_route, closest );
  83          u32 id = route->anon.official_track_id;
  84
  85          if( id != 0xffffffff ){
  86             struct netmsg_board *local_board =
  87                &scoreboard_client_data.boards[id];
  88
  89             for( int i=0; i<13; i++ ){
  90                sfd_encode( i, &local_board->data[27*i] );
  91             }
  92          }else{
  93             sfd_encode( 0, mdl_pstr( &world->meta, route->pstr_name ) );
  94             sfd_encode( 1, "No data" );
  95          }
  96       }
  97    }
  98
  99    for( int i=0; i<world_sfd.w*world_sfd.h; i++ ){
 100       float *target = &world_sfd.buffer[i*2+0],
 101             *cur =    &world_sfd.buffer[i*2+1];
 102
 103       float const rate = vg.time_delta * 15.2313131414f;
 104       float d1 = *target-*cur;
 105
 106       if( fabsf(d1) > rate ){
 107          *cur += rate;
 108          if( *cur > 60.0f )
 109             *cur -= 60.0f;
 110       }
 111       else
 112          *cur = *target;
 113    }
 114 }
 115
 116 static void bind_terrain_noise(void);
 117 static void sfd_render( world_instance *world, camera *cam, m4x3f transform ){
 118    mesh_bind( &world_sfd.mesh_display );
 119    shader_scene_scoretext_use();
 120    shader_scene_scoretext_uTexMain(1);
 121    WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, scene_scoretext );
 122
 123    bind_terrain_noise();
 124
 125    glActiveTexture( GL_TEXTURE1 );
 126    glBindTexture( GL_TEXTURE_2D, world_sfd.tex_scoretex );
 127
 128    m4x4f pvm_prev;
 129    m4x3_expand( transform, pvm_prev );
 130    m4x4_mul( cam->mtx_prev.pv, pvm_prev, pvm_prev );
 131
 132    shader_scene_scoretext_uPv( cam->mtx.pv );
 133    shader_scene_scoretext_uPvmPrev( pvm_prev );
 134    shader_scene_scoretext_uMdl( transform );
 135    shader_scene_scoretext_uCamera( cam->transform[3] );
 136
 137    for( int y=0;y<world_sfd.h; y++ ){
 138       for( int x=0; x<world_sfd.w; x++ ){
 139          float value = world_sfd.buffer[(y*world_sfd.w+x)*2+1];
 140          shader_scene_scoretext_uInfo( (v3f){ x,y, value } );
 141          mesh_draw( &world_sfd.mesh_display );
 142       }
 143    }
 144
 145    shader_scene_vertex_blend_use();
 146    shader_scene_vertex_blend_uTexGarbage(0);
 147    shader_scene_vertex_blend_uTexGradients(1);
 148    WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, scene_vertex_blend );
 149
 150    bind_terrain_noise();
 151    glActiveTexture( GL_TEXTURE1 );
 152    glBindTexture( GL_TEXTURE_2D, world_sfd.tex_scoretex );
 153
 154    shader_scene_vertex_blend_uPv( cam->mtx.pv );
 155    shader_scene_vertex_blend_uPvmPrev( pvm_prev );
 156    shader_scene_vertex_blend_uMdl( transform );
 157    shader_scene_vertex_blend_uCamera( cam->transform[3] );
 158
 159    mesh_bind( &world_sfd.mesh_base );
 160    mdl_draw_submesh( &world_sfd.sm_base );
 161 }
 162
 163 static int world_sfd_test( int argc, const char *argv[] ){
 164    if( argc == 2 ){
 165       int row = vg_min( vg_max(atoi(argv[0]),0), world_sfd.h);
 166       sfd_encode( row, argv[1] );
 167    }
 168
 169    return 0;
 170 }
 171
 172 static void world_sfd_init(void){
 173    vg_info( "world_sfd_init\n" );
 174    shader_scene_scoretext_register();
 175    vg_console_reg_cmd( "sfd", world_sfd_test, NULL );
 176
 177    vg_linear_clear( vg_mem.scratch );
 178
 179    mdl_context mscoreboard;
 180    mdl_open( &mscoreboard, "models/rs_scoretext.mdl", vg_mem.scratch );
 181    mdl_load_metadata_block( &mscoreboard, vg_mem.scratch );
 182    mdl_async_load_glmesh( &mscoreboard, &world_sfd.mesh_base );
 183
 184    mdl_load_mesh_block( &mscoreboard, vg_mem.scratch );
 185
 186    scene_context *scene = &world_sfd.scene;
 187    vg_async_item *call = scene_alloc_async( scene, &world_sfd.mesh_display,
 188                                             3000, 8000 );
 189
 190
 191    mdl_mesh *m_backer = mdl_find_mesh( &mscoreboard, "backer" ),
 192             *m_card   = mdl_find_mesh( &mscoreboard, "score_card" );
 193
 194    mdl_submesh
 195       *sm_backer = mdl_arritm( &mscoreboard.submeshs, m_backer->submesh_start ),
 196       *sm_card   = mdl_arritm( &mscoreboard.submeshs, m_card->submesh_start );
 197    world_sfd.sm_base = *sm_backer;
 198
 199    m4x3f identity;
 200    m4x3_identity( identity );
 201
 202    for( int i=0;i<4;i++ ){
 203       u32 vert_start = scene->vertex_count;
 204       scene_add_mdl_submesh( scene, &mscoreboard, sm_card, identity );
 205
 206       for( int j=0; j<sm_card->vertex_count; j++ ){
 207          scene_vert *vert = &scene->arrvertices[ vert_start+j ];
 208
 209          float const k_glyph_uvw = 1.0f/64.0f;
 210          vert->uv[0] -= k_glyph_uvw * (float)(i-1);
 211          vert->norm[3] = i*42;
 212       }
 213    }
 214
 215    vg_async_dispatch( call, async_scene_upload );
 216    vg_tex2d_load_qoi_async_file( "textures/scoretext.qoi",
 217                                  VG_TEX2D_CLAMP|VG_TEX2D_NEAREST,
 218                                  &world_sfd.tex_scoretex );
 219
 220    mdl_close( &mscoreboard );
 221
 222    int w = 27,
 223        h = 13;
 224
 225    world_sfd.w = w;
 226    world_sfd.h = h;
 227    world_sfd.buffer = vg_linear_alloc( vg_mem.rtmemory, 2*w*h*sizeof(float) );
 228
 229    for( int i=0; i<w*h*2; i++ )
 230       world_sfd.buffer[i] = 0.0f;
 231 }
 232
 233 #endif /* WORLD_SFD_C */