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
   8 static f32 sfd_encode_glyph( char c )
   9 {
  10    int value = 0;
  11    if( c >= 'a' && c <= 'z' )
  12       value = c-'a'+11;
  13    else if( c >= '0' && c <= '9' )
  14       value = c-'0'+1;
  15    else if( c >= 'A' && c <= 'Z' )
  16       value = c-'A'+11;
  17    else if( c >= '\x01' && c <= '\x01'+10 )
  18       value = 63-c;
  19    else{
  20       int base = 11+26;
  21
  22       switch( c ){
  23          case '!': value=base+0; break;
  24          case '?': value=base+1; break;
  25          case ',': value=base+2; break;
  26          case '.': value=base+3; break;
  27          case '#': value=base+4; break;
  28          case '$': value=base+5; break;
  29          case '%': value=base+6; break;
  30          case '*': value=base+7; break;
  31          case '+': value=base+8; break;
  32          case '-': value=base+9; break;
  33          case '/': value=base+10; break;
  34          case ':': value=base+11; break;
  35          default: value=0; break;
  36       }
  37    }
  38
  39    return (float)value;
  40 }
  41
  42 VG_STATIC void sfd_encode( u32 row, const char *str )
  43 {
  44    int end=0;
  45    u32 row_h = world_sfd.h -1 -row;
  46
  47    for( int i=0; i<world_sfd.w; i++ ){
  48       u32 idx = (world_sfd.w*row_h + i) * 2;
  49
  50       if( end ){
  51          world_sfd.buffer[idx] = 0.0f;
  52       }
  53       else{
  54          if( !str[i] )
  55             end = 1;
  56
  57          world_sfd.buffer[idx] = sfd_encode_glyph( str[i] );
  58       }
  59    }
  60 }
  61
  62 VG_STATIC void sfd_update(void)
  63 {
  64    for( int i=0; i<world_sfd.w*world_sfd.h; i++ ){
  65       float *target = &world_sfd.buffer[i*2+0],
  66             *cur =    &world_sfd.buffer[i*2+1];
  67
  68       float const rate = vg.time_delta * 15.2313131414f;
  69       float d1 = *target-*cur;
  70
  71       if( fabsf(d1) > rate ){
  72          *cur += rate;
  73          if( *cur > 60.0f )
  74             *cur -= 60.0f;
  75       }
  76       else
  77          *cur = *target;
  78    }
  79 }
  80
  81 VG_STATIC void bind_terrain_noise(void);
  82 VG_STATIC void sfd_render( world_instance *world, camera *cam, m4x3f transform )
  83 {
  84    mesh_bind( &world_sfd.mesh_display );
  85    shader_scene_scoretext_use();
  86    shader_scene_scoretext_uTexMain(1);
  87
  88    world_link_lighting_ub( world, _shader_scene_scoretext.id );
  89    world_bind_position_texture( world, _shader_scene_scoretext.id,
  90                         _uniform_scene_scoretext_g_world_depth, 2 );
  91    world_bind_light_array( world, _shader_scene_scoretext.id,
  92                         _uniform_scene_scoretext_uLightsArray, 3 );
  93    world_bind_light_index( world, _shader_scene_scoretext.id,
  94                            _uniform_scene_scoretext_uLightsIndex, 4 );
  95
  96    bind_terrain_noise();
  97
  98    glActiveTexture( GL_TEXTURE1 );
  99    glBindTexture( GL_TEXTURE_2D, world_sfd.tex_scoretex );
 100
 101    m4x4f pvm_prev;
 102    m4x3_expand( transform, pvm_prev );
 103    m4x4_mul( cam->mtx_prev.pv, pvm_prev, pvm_prev );
 104
 105    shader_scene_scoretext_uPv( cam->mtx.pv );
 106    shader_scene_scoretext_uPvmPrev( pvm_prev );
 107    shader_scene_scoretext_uMdl( transform );
 108    shader_scene_scoretext_uCamera( cam->transform[3] );
 109
 110    for( int y=0;y<world_sfd.h; y++ ){
 111       for( int x=0; x<world_sfd.w; x++ ){
 112          float value = world_sfd.buffer[(y*world_sfd.w+x)*2+1];
 113          shader_scene_scoretext_uInfo( (v3f){ x,y, value } );
 114          mesh_draw( &world_sfd.mesh_display );
 115       }
 116    }
 117
 118    shader_scene_vertex_blend_use();
 119    shader_scene_vertex_blend_uTexGarbage(0);
 120    shader_scene_vertex_blend_uTexGradients(1);
 121    world_link_lighting_ub( world, _shader_scene_vertex_blend.id );
 122    world_bind_position_texture( world, _shader_scene_vertex_blend.id,
 123                                 _uniform_scene_vertex_blend_g_world_depth, 2 );
 124    world_bind_light_array( world, _shader_scene_vertex_blend.id,
 125                                 _uniform_scene_vertex_blend_uLightsArray, 3 );
 126    world_bind_light_index( world, _shader_scene_vertex_blend.id,
 127                                 _uniform_scene_vertex_blend_uLightsIndex, 4 );
 128    bind_terrain_noise();
 129    glActiveTexture( GL_TEXTURE1 );
 130    glBindTexture( GL_TEXTURE_2D, world_sfd.tex_scoretex );
 131
 132    shader_scene_vertex_blend_uPv( cam->mtx.pv );
 133    shader_scene_vertex_blend_uPvmPrev( pvm_prev );
 134    shader_scene_vertex_blend_uMdl( transform );
 135    shader_scene_vertex_blend_uCamera( cam->transform[3] );
 136
 137    mesh_bind( &world_sfd.mesh_base );
 138    mdl_draw_submesh( &world_sfd.sm_base );
 139 }
 140
 141 VG_STATIC int world_sfd_test( int argc, const char *argv[] )
 142 {
 143    if( argc == 2 ){
 144       int row = vg_min( vg_max(atoi(argv[0]),0), world_sfd.h);
 145       sfd_encode( row, argv[1] );
 146    }
 147
 148    return 0;
 149 }
 150
 151 VG_STATIC void world_sfd_init(void)
 152 {
 153    vg_info( "world_sfd_init\n" );
 154    shader_scene_scoretext_register();
 155    vg_console_reg_cmd( "sfd", world_sfd_test, NULL );
 156
 157    vg_linear_clear( vg_mem.scratch );
 158
 159    mdl_context mscoreboard;
 160    mdl_open( &mscoreboard, "models/rs_scoretext.mdl", vg_mem.scratch );
 161    mdl_load_metadata_block( &mscoreboard, vg_mem.scratch );
 162    mdl_async_load_glmesh( &mscoreboard, &world_sfd.mesh_base );
 163
 164    mdl_load_mesh_block( &mscoreboard, vg_mem.scratch );
 165
 166    scene_context *scene = &world_sfd.scene;
 167    vg_async_item *call = scene_alloc_async( scene, &world_sfd.mesh_display,
 168                                             3000, 8000 );
 169
 170
 171    mdl_mesh *m_backer = mdl_find_mesh( &mscoreboard, "backer" ),
 172             *m_card   = mdl_find_mesh( &mscoreboard, "score_card" );
 173
 174    mdl_submesh
 175       *sm_backer = mdl_arritm( &mscoreboard.submeshs, m_backer->submesh_start ),
 176       *sm_card   = mdl_arritm( &mscoreboard.submeshs, m_card->submesh_start );
 177    world_sfd.sm_base = *sm_backer;
 178
 179    m4x3f identity;
 180    m4x3_identity( identity );
 181
 182    for( int i=0;i<4;i++ ){
 183       u32 vert_start = scene->vertex_count;
 184       scene_add_mdl_submesh( scene, &mscoreboard, sm_card, identity );
 185
 186       for( int j=0; j<sm_card->vertex_count; j++ ){
 187          scene_vert *vert = &scene->arrvertices[ vert_start+j ];
 188
 189          float const k_glyph_uvw = 1.0f/64.0f;
 190          vert->uv[0] -= k_glyph_uvw * (float)(i-1);
 191          vert->norm[3] = i*42;
 192       }
 193    }
 194
 195    vg_async_dispatch( call, async_scene_upload );
 196    vg_tex2d_load_qoi_async_file( "textures/scoretext.qoi",
 197                                  VG_TEX2D_CLAMP|VG_TEX2D_NEAREST,
 198                                  &world_sfd.tex_scoretex );
 199
 200    mdl_close( &mscoreboard );
 201
 202    int w = 27,
 203        h = 13;
 204
 205    world_sfd.w = w;
 206    world_sfd.h = h;
 207    world_sfd.buffer = vg_linear_alloc( vg_mem.rtmemory, 2*w*h*sizeof(float) );
 208
 209    for( int i=0; i<w*h*2; i++ )
 210       world_sfd.buffer[i] = 0.0f;
 211 }
 212
 213 #endif /* WORLD_SFD_C */