world_sfd.h

   1 /*
   2  * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
   3  */
   4
   5 #ifndef SFD_H
   6 #define SFD_H
   7
   8 #include "world.h"
   9
  10 #if 0
  11 #include "shaders/scoretext.h"
  12 #include "shaders/vblend.h"
  13 #endif
  14
  15 vg_tex2d tex_scoretext = { .path = "textures/scoretext.qoi",
  16                            .flags = VG_TEXTURE_CLAMP|VG_TEXTURE_NEAREST };
  17
  18 /*
  19  * TODO: utf-8 -> ascii
  20  */
  21
  22 float sfd_encode_glyph( char c )
  23 {
  24    int value = 0;
  25    if( c >= 'a' && c <= 'z' )
  26       value = c-'a'+11;
  27    else if( c >= '0' && c <= '9' )
  28       value = c-'0'+1;
  29    else if( c >= 'A' && c <= 'Z' )
  30       value = c-'A'+11;
  31    else if( c >= '\x01' && c <= '\x01'+10 )
  32       value = 63-c;
  33    else
  34    {
  35       int base = 11+26;
  36
  37       switch( c )
  38       {
  39          case '!': value=base+0; break;
  40          case '?': value=base+1; break;
  41          case ',': value=base+2; break;
  42          case '.': value=base+3; break;
  43          case '#': value=base+4; break;
  44          case '$': value=base+5; break;
  45          case '%': value=base+6; break;
  46          case '*': value=base+7; break;
  47          case '+': value=base+8; break;
  48          case '-': value=base+9; break;
  49          case '/': value=base+10; break;
  50          case ':': value=base+11; break;
  51          default: value=0; break;
  52       }
  53    }
  54
  55    return (float)value;
  56 }
  57
  58 VG_STATIC void sfd_encode( u32 row, const char *str )
  59 {
  60    int end=0;
  61    u32 row_h = world.sfd.h -1 -row;
  62
  63    for( int i=0; i<world.sfd.w; i++ )
  64    {
  65       u32 idx = (world.sfd.w*row_h + i) * 2;
  66
  67       if( end )
  68       {
  69          world.sfd.buffer[idx] = 0.0f;
  70       }
  71       else
  72       {
  73          if( !str[i] )
  74             end = 1;
  75
  76          world.sfd.buffer[idx] = sfd_encode_glyph( str[i] );
  77       }
  78    }
  79 }
  80
  81 VG_STATIC void sfd_init( u32 w, u32 h )
  82 {
  83 }
  84
  85 VG_STATIC void sfd_update(void)
  86 {
  87    for( int i=0; i<world.sfd.w*world.sfd.h; i++ )
  88    {
  89       float *target = &world.sfd.buffer[i*2+0],
  90             *cur =    &world.sfd.buffer[i*2+1];
  91
  92       float const rate = vg.time_delta * 15.2313131414f;
  93       float d1 = *target-*cur;
  94
  95       if( fabsf(d1) > rate )
  96       {
  97          *cur += rate;
  98          if( *cur > 60.0f )
  99             *cur -= 60.0f;
 100       }
 101       else
 102          *cur = *target;
 103    }
 104 }
 105
 106 VG_STATIC void bind_terrain_noise(void);
 107 VG_STATIC void sfd_render( camera *cam, m4x3f transform )
 108 {
 109 #if 0
 110    mesh_bind( &world.sfd.mesh_display );
 111    shader_scoretext_use();
 112    shader_scoretext_uTexGarbage(0);
 113    shader_scoretext_uTexGradients(1);
 114    shader_link_standard_ub( _shader_scoretext.id, 2 );
 115    bind_terrain_noise();
 116    vg_tex2d_bind( &tex_scoretext, 1 );
 117
 118    m4x4f pvm_prev;
 119    m4x3_expand( transform, pvm_prev );
 120    m4x4_mul( cam->mtx_prev.pv, pvm_prev, pvm_prev );
 121
 122    shader_scoretext_uPv( cam->mtx.pv );
 123    shader_scoretext_uPvmPrev( pvm_prev );
 124    shader_scoretext_uMdl( transform );
 125    shader_scoretext_uCamera( cam->transform[3] );
 126
 127    for( int y=0;y<world.sfd.h; y++ )
 128    {
 129       for( int x=0; x<world.sfd.w; x++ )
 130       {
 131          float value = world.sfd.buffer[(y*world.sfd.w+x)*2+1];
 132          shader_scoretext_uInfo( (v3f){ x,y, value } );
 133          mesh_draw( &world.sfd.mesh_display );
 134       }
 135    }
 136
 137    shader_vblend_use();
 138    shader_vblend_uTexGarbage(0);
 139    shader_vblend_uTexGradients(1);
 140    shader_link_standard_ub( _shader_vblend.id, 2 );
 141    bind_terrain_noise();
 142    vg_tex2d_bind( &tex_scoretext, 1 );
 143
 144    shader_vblend_uPv( cam->mtx.pv );
 145    shader_vblend_uPvmPrev( pvm_prev );
 146
 147    shader_vblend_uMdl( transform );
 148    shader_vblend_uCamera( cam->transform[3] );
 149
 150    mesh_bind( &world.sfd.mesh_base );
 151    mesh_draw( &world.sfd.mesh_base );
 152 #endif
 153 }
 154
 155 VG_STATIC int world_sfd_test( int argc, const char *argv[] )
 156 {
 157    if( argc == 2 )
 158    {
 159       int row = vg_min( vg_max(atoi(argv[0]),0), world.sfd.h);
 160       sfd_encode( row, argv[1] );
 161    }
 162
 163    return 0;
 164 }
 165
 166 VG_STATIC void world_sfd_init(void)
 167 {
 168    vg_info( "world_sfd_init\n" );
 169
 170 #if 0
 171    shader_scoretext_register();
 172 #endif
 173
 174         vg_function_push( (struct vg_cmd){
 175                 .name = "sfd",
 176                 .function = world_sfd_test
 177         });
 178
 179    vg_linear_clear( vg_mem.scratch );
 180    mdl_context *mboard =
 181       mdl_load_full( vg_mem.scratch, "models/rs_scoretext.mdl" );
 182
 183    scene *sc = scene_init( vg_mem.scratch, 3000, 8000 );
 184
 185    mdl_node *pn_backer = mdl_node_from_name( mboard, "backer" );
 186    mdl_submesh *backer = &mboard->submesh_buffer[ pn_backer->submesh_start ];
 187    mdl_node *pn_card = mdl_node_from_name( mboard, "score_card" );
 188    mdl_submesh *card = &mboard->submesh_buffer[ pn_card->submesh_start ];
 189
 190    m4x3f identity;
 191    m4x3_identity( identity );
 192
 193    /* FIXME: dont use scene header for this you fucking idiots */
 194    for( int i=4;i<6;i++ )
 195    {
 196       u32 vert_start = sc->vertex_count;
 197       scene_add_mdl_submesh( sc, mboard, card, identity );
 198
 199 #if 0
 200       for( int j=0; j<card->vertex_count; j++ )
 201       {
 202          mdl_vert *vert = &sc->arrvertices[ vert_start+j ];
 203
 204          float const k_glyph_uvw = 1.0f/64.0f;
 205          vert->uv[0] -= k_glyph_uvw * (float)(i-4);
 206          vert->colour[0] = 0.0f;
 207          vert->colour[1] = i*36;
 208       }
 209 #endif
 210    }
 211
 212    vg_acquire_thread_sync();
 213    {
 214       scene_upload( sc, &world.sfd.mesh_display );
 215       mdl_unpack_submesh( mboard, &world.sfd.mesh_base, backer );
 216
 217       vg_tex2d_init( (vg_tex2d *[]){ &tex_scoretext }, 1 );
 218    }
 219    vg_release_thread_sync();
 220
 221    int w = 27,
 222        h = 13;
 223
 224    world.sfd.w = w;
 225    world.sfd.h = h;
 226    world.sfd.buffer = vg_linear_alloc( vg_mem.rtmemory, 2*w*h*sizeof(float) );
 227
 228    for( int i=0; i<w*h*2; i++ )
 229       world.sfd.buffer[i] = 0.0f;
 230 }
 231
 232 #endif /* SFD_H */